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Fontana West End Venture, Foothill Drain - Lines A, B, D, J & K
MASTER HYDROLOGY STUDY FOR THE FONTANA WEST END VENTURE FOOTHILV t: AIN LINES 44D,J,K , . - = PREPARED BY. HALL MAN, INC. r. 4# 3170 REDHILL AVENUE , COSTA NIVIA, CA 92026Ji—, 3428 (714) 641 Er Hall & Foreman Inc. Engineering • Surveying • Planning • Landscape Architecture qe4:00W0j: IRVINE 420 Exchange, Suite 100 Irvine, CA 92602-1301 714 665.4500 Return Service Requested RANCHO CUCAMONGA 9130 Anaheim Place, Suite 120 Rancho Cucamonga, CA 91730 • ; • 909.484.9090 TEMECULA 43513 Ridge Park Drive Temecula, CA 92590-3690 951.676.6726 • , WOODLAND HILLS 20950 Warner Center Lane. Suite A Woodland Hills, CA 91367-6537 818.251.1200 www.hfinc.com DEVELOPED H'YDROLOG'Y' for .FOOTHILL " DRAIN LINES A. B, D, J, & K M..- T4N I.; I W R W I i R6W r r R5W * - — + I I i:' — — — — I -R2 ' RI , \•-, , ; ' — : -{- -} - - _ 1 I I ;,�� I I ' 1� - EYEMA 1 — — — — — 1- — L,.r: W •.r + RIE R2E ...� I- - I - �' - ` TAN v:= I YIT I 1 ! I I o a �- 1 -I-- — — LI ( r , y. 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T 3$ 1 _ I — i. _ '"• oNT.oa f sm : �' ,. , .. _. _. _ - R5%V We :5' T No ic,eO,J E G T FLOOD CONTROL 1 T •��•:: .;� _ . - - ,) - REDUCED DRAWING WING VALLEY AREA I '• .� --'-1 t ' le ^;, _ ;'•: _ �_ _ A . _ - 11 30 -- - SAN BERNARI�1 NO COUNTY SCALE I"= 4 L' MI•_ES ISOHYETALS Y- — 10 YEAR I R Mou _ - - - - -- - w •: - - -' •� �, $ED ON Y.SD 2.073 .C_ KOAA -XrLAS .. M • R 7 ' ' •. ••., R6 HYDROLOGY MANUAL ; wrNOVEn sr "••��••��••'•�••�••'�••`��•'• -e LEGEND; - ISOLINES 41L.CIPITAT10NlINCH E$ FL . P ATE SCALE FLE NQ DMA. NO. .- 10119 I'•!•r1 we„_, •e .. .•. , I ( r l I • �, jVJ- I - tl R4 4W 7s R3 — R2W •n.. Rl!>f 1 I, ", !7 R8 ( + I R7W I I . R6W I • - -- r- r R5 + -- - + _ ,— _ ••` "'< • IeT , 14N � I — I —+ — : i ,° I..« I I I / ! 4 � I I „1_; ( I -- - —� _ R2W r -- �- -f , RIW :� R!S ' ' e„ I R2E 4_ -� - -� - - - - I - - �. 1 - ' r t T414 T 1— — � \ P I• (• : � ,! i I I 1 r t I , �� I I I I I 'N ' I - 1 � , f 1 � - � _• -` 'I^ } - � 11 f wr• ! 4 1 I i . I I � M. 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REDUCED DRAWING SCALE I" = 4 II;ILES LEG 1. .8 ISOUNES PRECIPITATION (INCHES) SAN OERNAR04NO COUNTY FL040 CONTROL DISTRICT VALLEY AREA ISOHYETALS Y6 YEAR I HOUR "SW ON U-%Df- MOAA Rua a, M1a .T F I R DATE WJWA I /a( ((p I ple,ea jim 1982 C -ala "Ift -I 4 of 12 " T3S I , U.. — — — I uw Vt! .ST �"it10 Jr'.°OJEG T' -... to L �s SAN BERNARDINO COUNTY i • 8 ' ' w - ''' ` - W: HYDROLOGY MANUAL REDUCED DRAWING SCALE I" = 4 II;ILES LEG 1. .8 ISOUNES PRECIPITATION (INCHES) SAN OERNAR04NO COUNTY FL040 CONTROL DISTRICT VALLEY AREA ISOHYETALS Y6 YEAR I HOUR "SW ON U-%Df- MOAA Rua a, M1a .T F I R DATE WJWA I /a( ((p I ple,ea jim 1982 C -ala "Ift -I 4 of 12 . 4 ; Z" 7 V. r -A -Z. 1 4: > S IL 7 '41 Z. '-A V;l Ci: J. A '71 -v _7 7'` 3 y P ._ 7 P-y F A l SAN - BERNARDINO COUNTY HYDROLOGY M ANUAL . INDEX MAP . FF ;A t cc, 5. Oi T( Ir s 'Z4 _& 7� ir, - W . .......... kw� is A y L :l A" T_ z r Lm - pt LUZ Fv 7 �9 4A - Al i4 --t- z Ai- � MT-T!l X 17L 2 L . A LLL - PLC". I'n LEV JA fp `� r.. • t �:4 � _ � �= � �.�- t 1 �ti � _ 1 1,F� =•� !'� �i `" 1 _ �•• -u•e- a4i`=- e:1a'L _ 7 'r..:.�. l," ;,o, 4 . 7 SOIL GROUP BOUNDARY A SOIL GROUP DESIGNATION ' SCALE 1•46/= We's 7 4ojc r R SOUNDARY OF INDICATED SOURCE SCALE REDUCED BY 1/2 HYDROLOGIC SOILS GROUP MAP FOR SOUTHWEST-7A AREA SA BERNARD NO COUNTY E _74 C c C-4 INDEX MAP . FF ;A t cc, 5. Oi T( Ir s 'Z4 _& 7� ir, - W . .......... kw� is A y L :l A" T_ z r Lm - pt LUZ Fv 7 �9 4A - Al i4 --t- z Ai- � MT-T!l X 17L 2 L . A LLL - PLC". I'n LEV JA fp `� r.. • t �:4 � _ � �= � �.�- t 1 �ti � _ 1 1,F� =•� !'� �i `" 1 _ �•• -u•e- a4i`=- e:1a'L _ 7 'r..:.�. l," ;,o, 4 . 7 SOIL GROUP BOUNDARY A SOIL GROUP DESIGNATION ' SCALE 1•46/= We's 7 4ojc r R SOUNDARY OF INDICATED SOURCE SCALE REDUCED BY 1/2 HYDROLOGIC SOILS GROUP MAP FOR SOUTHWEST-7A AREA I 600 c 500 M Tc •E g 100 1000 v 90 900 v 80 800 Y 70 700 c 60 I 600 c 500 M 4 35 30 25 LIMITATIONS= 1. Maximum length s 1000 TC 2. Maximum area s 10 Acres �� .. 400 •E g 350 H v 6 C v E Y 300 e� c C c 4 35 30 25 LIMITATIONS= 1. Maximum length s 1000 TC 2. Maximum area s 10 Acres �� .. 9 20 a ` o PI Development 9 H 18 6 _ J 17 Y (1/4 Acre) e� � C _ lac too 7 0 N Mot: loo u � ONO G 8 � 0 u n 30 to 9 (1) o ° 150 10 10 K EL 4 3 Undeveloped Good Cover 0 ♦ $ t 12 Undeveloped 0 c 1.0 13 Fair Cover .6 Undeveloped ow�14 '3 Zl 15 9 20 Poor Cover o PI Development 9 16 18 Single Family 4%0 J 17 17 (1/4 Acre) e� � 18 16 15 Commercial ( �� 19 14 13 u � KEY L- H- To -K -Tc' 20 12 � 0 u 11 / 10 PI Development 9 80 - APARTMENT 250 75 -MOBILE HOME 8 J 40- SINGLE FAMILY- 1/2 ACRE LOT 7 20- SINGLE FAMILY- I ACRE LOT � 6 t va v 0 200 S u o, 150 � 11 / 10 PI Development 9 80 - APARTMENT 75 -MOBILE HOME 8 65 - CONDOMINIUM 40- SINGLE FAMILY- 1/2 ACRE LOT 7 20- SINGLE FAMILY- I ACRE LOT 10- SINGLE FAMILY- 2 1/2 ACRE LOT 6 loo EXAMPLE= 5 (1) Ls 550, H25.0` K =Single Family(1 /4 Ac.) Development, Tc =12.6 min.' 4 (2) L= 550, Hs 5.0% K= Commercial Development, T09.7 min. SAN BERNARDINO COUNTY TIME OF CON( HYDROLOGY MANUAL NOMOGA 25 30 35 40 P Q V, CL c 0 O E 12 S. 0 w e c E C 0 t C u 0 t- D- 11 FIGURE D - 1 1�q 0 0 3.5 3.5 3 3 2.5 2.5 N W S U 2 Z 2 2 S H a W J r 147•• U. 1.5 1.5 2 Q 0.5 D.5 0 0 2 5 10 25 50 100 RETURN PERIOD IN YEARS NOTE/ 1. FOR INTERMEDIATE RETURN PERIODS PLOT 10 -YEAR AND 100 -YEAR ONE HOUR VALUES FROM MAPS, THEN CONNECT POINTS AND READ VALUE FOR DESIRED RETURN PERIOD. FOR EXAMPLE GIVEN 10 -YEAR ONE HOUR a 0.95 AND 100 -YEAR ONE HOUR "1.60", E5 -YEAR ONE HOUR -1.16 ". REFERENCEINOAA ATLAS 1, VOLUME 3X- CAL.,I973 RAINFALL DEPTH VERSUS SAN BERNARDINO COUNTY RETURN PERIOD FOR HYDROLOGY MANUAL PARTIAL DURATION SERIES _ CPIIoc n A I ■■■■■■■ s■■ s■ m■■ a■ ■ ■ ■ ■ ■ ■Oaaaa ■ ■O.msaa ■ ■ ■ ■ ■aa ■ ■ ■ ■■ ■ ■ ■ ■■■ ■Balm ■a ■a ■ ■ ■■mmEN■ON■a /■rr* pmn!rxmmmmm.a. ■ ■a. ■a ■. ■..aaNOON /.a■M MEMOS MORON MEMO ■ENRO! ■mopL mi ne - Ito ■■ ■■■RSMMi mamma ■ Os■ ■■■■■■MEN■ ■a ■NO■■■■■ ■MEMO ■O■OMMm ■r/ ■1a ■ ■�� ■m�/�■■■ ■■ ■M. 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N 1 I .111 111 /11 4 1�1■■� n nt p .� 1111 : :: = si 6. f :sss •••••••••••••• • mr, tM{If. �y ��v l���il11 �M ) 111!!! ll 1 il��iili�si:::: ' :��:: �::n�:::l�u:��ili::�u i::�:�ut ii i:::::::::.::1:1:::.: i���::: =�u Ry�� :i,iz� s. l,,,:: c: ::,,, is..... ��,;,;,!:,::::, ;;;,,...!ii;;i pica �l�l�l, ::,: i:��i;:a�irtN� ::: 20voow� gmeo CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE NO. I SHEET OF RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM INSTRUCTIONS BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 H INTRODUCTIONs The RATIONAL METHOD MASTER PLANNING program is a computer - aided design program where the user develops a node -link model of the watershed, and in this process estimates the conduit and channel sizes needed to accomodate the design storm peak flowrate. The study methodology is based on the well -known RATIONAL METHOD which estimates the peak flowrate (or 0 in cfs) by the relation Q = CIA where Q is the peak flowrate used for design purposes, C is a runoff coefficient and represents the simple ratio of runoff -to- rainfall, and A is the watershed area(acres) tributary to the study point of runoff concentration. For an I =1 inch /hour and an A =1 acre, and a C =1.0, the 0 -1.008 cfs. Assuming that a uniform rainfall of constant intensity occurs over a watershed, then the peak flowrate will occur when the entire watershed is contributing runoff. This peak 0 usually occurs when runoff from the most distant point on the watershed reaches the point of concentration. The time which it takes for the watershed runoff to reach the peak G AWk (from the beginning of the constant intensity storm) is called the time of concentration and is noted as Tc. Some of the basic assumptions used in the RATIONAL METHOD are. (1)the return frequency of the estimated 0 is approximately the return frequency of rainfall; that is, to estimate a 25 -year return frequency peak flowrate (a 025), the I values are assumed to be of a 25 -year return frequency; (2)rainfall intensities are assumed to be approximately uniform over the watershed; _ (3)the watershed runoff characteristics can be estimated sufficiently to be used in the runoff equation. SETTING UP THE PROBLEM: In order to develop a node -link model of the study watershed, the following steps are needed prior to beginning the studys (1)using a topographic map of the entire watershed, define the watershed boundaries and identify major streams and channels. (2)define the watershed boundary for each major stream or channel. These interior watersheds will be self- contained in that they can be modeled independently from the total 1401 watershed. Generally, the interior watersheds will merge with another interior watershed at a point of CONFLUENCE. (3)subdivide each interior watershed into SUBAREAS. Subarea size should be about 5 to 10 acres in the most upstream reaches, and may gradually increase as the study progresses downstream. (4)specify the runoff characteristics in each subarea. Basic information includes DEVELOPMENT TYPE such as commercial or agricultural; SCS (U.S. Soil Conservation Service) soil group, which is type A,B,C,or D where A is of low runoff potential(sands) and D is of high runoff potential(such as clay soil). (5)define a runoff coefficient C in each subarea. The computer program allows the user to specify a C -value or use the program C- curves which are a function of development type,soil- group, and the rainfall intensity. C- values will be between 0 and 1. (b)define nodal points along the major stream in each interior watershed. The study approach is to start at the most upstream point in an interior watershed and follow the main stream while runoff is accumulating and estimate channel sizes as the study progresses in the downstream direction. A method of node numbering is to use nodes 100.00 to 199.99 along stream *1, 200.00 to 299.99 along stream *2 and so forth, where node 100.00 is assigned to the most upstream point of interior watershed #1. (7)at a point of CONFLUENCE (where two or more major channels merge), define the nodal numbers to be used downstream of the confluence. Usually, one of the major streams will have significantly more runoff than the other streams and one may continue downstream with these numbers. STUDY APPROACH: The node -link model is developed by creating independent node -link models of each interior watershed and linking these submodels together at confluence points. Consider an interior watershed, say #2 which has been subdivided into SUBAREAS and NODE NUMBERS defined. Starting at the most upstream subarea (between node *201 and #202), the runoff is estimated by modeling an INITIAL SUBAREA. This model estimates a 0 based on the initial Tc, the corresponding I, the subarea A (usually less than 10 acres), and the runoff potential. The study continues downstream to Iq node 203 by analyzing how long it takes for the initial subarea Q to reach point 203 by either (1)street- flow,(2)pipeflow,or(3) channel flow. This TRAVEL TIME, Tt, is then added to the initial subarea To to estimate the next time of concentration by Tc(203)- Tc(2O2) +Tt. Using Tc(203), an incremental runoff addition, DQ, to the main stream at node 203 is estimated by using the specified runoff potential (C) and rainfall intensity (I) corresponding to Tc(203). Then the DO-CIA where the C and I are based on Tc(203) and A is the area tributary to node 203. Thus Q(203)- Q(202) +DQ. The study continues to the next downstream node #204 by estimating a new Tt, and so forth. COMPUTER INTERACTION: The program has been designed to be completely user friendly. The user - instruction manual is the program itself. All instructions and program options will be visible to you at the bottom of the screen. Simply type these instructions at any occasion and the program will respond. For example, type MAIN and you will return to the main menu of program options. Type EXIT and the program will protect the data files and properly finish the session. COMPUTER DESIGN INTERACTION: Because the analysis proceeds downstream along the main channel, design decisions can be easily made interactively. As the study progresses between two stream nodal points, the computer results are displayed showing peakflow information and channel flow data(such as depth and velocity). You will be requested to either accept the study results(in which case the subarea data is stored) or reject the results(in which case the program returns to the previous upstream point of concentration). H [E The program has four OPERATING MODES: (1)CREATION. This mode is used to create a watershed data file containing all the subarea data entries and hydrology rainfall data. Two data banks are used: (i)HYDROLOGY CONTROL DATA. Includes the rainfall versus duration data(assumed to be a straight line on log -log paper), C -value options, return frequency, and a pipeflow friction slope reduction factor. (ii)SUBAREA DATA. A node -link model is made by defining successive subarea characteristics linked together by various flow hydraulic processes. (2)EXECUTION. This mode is used to generate study results in report form. Two options are available: (i)DETAILED REPORT. This provides the same results as displayed on the viewers screen during CREATION. (ii)SUMMARY REPORT. This summarizes the results into a tabular form. (3)EDITING. This mode allows the user to change, add, or delete subarea data and modify the node -link model. Additionally, the user can change the HYDROLOGY CONTROL DATA and generate a new master plan based on new rainfall or design criteria. (4 )EXTEND. This options allows the user to return to the last entered link of the model and continue from that point in the CREATION mode. SUBAREA HYDROLOGIC PROCESSES CONFLUENCE: The CONFLUENCE model is the mechanism which allows the user to connect the interior watershed node -link models at a paint of confluence. Up to 5 streams can be confluenced at a node. The stream entries must be made sequentially until aII are entered. For example, suppose 4 streams merge at node #318. When the CONFLUENCE option is selected at the end of each interior watershed node -link model (at node 318), you will be requested to enter the TOTAL NUMBER OF STREAMS (which is 4) and which of the 4 streams you are confluencing (1,2,3, or 4). If you are confluencing the first stream (i of 4), then the STREAM NUMBER is 1; likewise, if you are entering the second stream (2 of 4) for confluence, the STREAM NUMBER is 2; and so forth. After a stream is confluenced, the program U410 � J returns you to the PROCESS MENU so that the next interior watershed node -link model can begin creation for eventual confluence at node 318. When the last (4 of 4) stream is confluenced, the confluence values are estimated and the study can continue downstream with the new values. The program allows only ONE POINT OF CONFLUENCE AT A TIME. This means that if 4 streams are for confluence, then until all 4 streams are entered no other points of confluence can be specified. After the 4 streams are entered, the confluence is modeled and the CONFLUENCE option is once again available for use. For a 2 stream confluence, the model is as follows: Let Qa,Ta,Ia correspond to the stream with the largest Tc and Qb,Tb,Ib correspond to the other stream. If Ta =Tb, then the confluence time of concentration (Tp) is Tp =Ta and Q= Qa +Qb. If Qa is larger than Qb, then Tp =Ta and Q= Qa +Qb(Ia /Ib). If Qb is larger than Qa, Tp =Tb and Q= Qb +Qa(Tb /Ta). Should different confluence values be needed, accept the confluence model results and then use the USER - SPECIFIED INFORMATON AT A POINT option. INITIAL SUBAREA: Several methods for estimating an INITIAL SUBAREA Tc are reported in the literature(e.g., "Urban Stormwater Hydrology ",Water Resources Monograph M7, American A.G.U.,1982). Because the INITIAL SUBAREA modeling procedure begins the watershed node -link model, this approximation may be the most critical. Consequently, the user needs to verify whether the approximation is reasonable. The program contains an INITIAL SUBAREA Tc approximation based on the Kirpich formula : Tc = k(L *L *L /H)ee.385 where L = watercourse length(feet); H = drop in elevation(feet); .385 is an extrapolation exponent; and k is a function of development type(e.g. for Commercial development, k =.298, for agricultural k =1.:46). Should the user prefer to use a specified Tc value at a node, then the USER - SPECIFIED INFORMATION AT A POINT option should be used. C7 FIPEFLOW AND TRAPEZOIDAL TRAVEL TIME: Two options for modeling pipeflow are available:(1)Iet the computer estimate a buildable pipesize, and (2)the user specifies the pipesize. Both models assume no inflow into the pipe system as it connects the upstream and downstream nodes. Both models use the upstream node peak Q and the computed gradient of the land between nodes to compute normal depth flow velocity. The velocity is used to estimate travel time, Tt, between nodes. The Tt is then added to the upstream Tc to estimate the Tc at the downstream node. Flow is assumed to be under pressure (full pipeflow) when the normal depth exceeds .82 *(pipe diameter). The trapezoidal channel flow model is similar to the pipeflow model in that no inflow is assumed between nodes, and that Tt is estimated based on the upstream peak Q and the gradient of the land. STREET -FLOW ANALYSIS THRU SUBAREA: The streetflow model estimates the traveltime of the peak O between the upstream and downstream nodes. Since runoff generally accumulates in the street between nodes, the model �•+ estimates the average flow between nodes to analyze the streetflow characteristics. The model assumes a symmetrical cross - section with either a standard 6- or 8 -inch curbface. The user specifies the arbitrary street halfwidth. Flow is modeled by two methods: (1)all the flow is on one side of the street, in which case the flow may cross over the street crown and form "splitflow ", and (2)the flow is evenly divided on both sides of the street. The model assumes all water outside of the curb as ponded, with zero flow. USER SPECIFIED INFORMATION AT A NODE: The user can specify the time of concentration(Tc,minutes); peak flowrate(g,cfs); and total tributary area(A,acres) at a nodal point. These values will then be defined at the specified nodal point and will be used for any downstream calculations. The rainfall intensity will be based on the user specified Tc. This data will remain in effect unless modified by the user. ADDITION OF SUBAREA TO MAINLINE: As the study progresses in the downstream direction along the main stream or channel, runoff can be added to the peak flowrate at the Tc of the main stream. This model uses SUBAREA information of runoff potential and area, and uses Ew the Tc of the main stream to estimate incremental runoff. Consequently, should the node -link model be changed upstream of the subject subarea, the node -link model automatically estimates the appropriate incremental runoff. H LINE 'A' IE de !R A- & ' - CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE JOB NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS 9/26/86 3366 FOOTHILL DRAIN LINE A "40 STREET CAPACITIES FOR 1. 25 -YEAR CAPACITY TO TOP OF CURB 2. 100 -YEAR CAPACITY TO R/W LINE v 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 hGe� Ic CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING Nl SUBJECT eY.IONti� DATE Tim NO. SHEET OF 09 — lr7 L := T y �!'E GT/ AIS SIAI 5 OCT /9dG 3. 1010 RIW 0 ro' ro' i7' I I EYEL'L/NE rn sy. 1 6 WASHINGTON LOOP ROA NTS. ?o'IUH6Rf AMEO . /r' /r' B' e' I 1 I I 06, Q/� give s'Yi + • r . .• 2 f 6 RAW' - WEST HER /TAGS PARKWAY mr3. 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641.8777 ® CIVIL ENGINEERING • LAND PLANNING - • • LAND SURVEYING SUSECT r I DATE m NO. SHED w Jr.�'EEr CAPpC /T /ES ✓aw V'M3 I oc. T 170 '3366 BAS IS OF DES /GN yZ = 0, 0 1.5 CONVEYANCE FACMC A V44 c 7L /. 4L tfl� 99.0 7 7L W ASWINGTON LOOP Ro lgo • NNLF J' reEE r A =5.87 � � wP: 20,7' � R� =0.432 � l�= ,?5/. • 2s Y6.gR c.sPACirr • A= //. 74 wP = 41.34 /Q ' = 0, 452 I Ka S,92, 4.5 To 7 of cue8 • /00 YEAR CAPAC/>• ro R /w G /N E ; A= Z/. 74'�� wP= 6 1.34 � �('�. 06 � X= /oi r ' 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 841 -8777 we g 2"&"oev met CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT B , DATE JOB NO SHEET OF m 1 o 0 o Top OF cr- Ll .7 w / op k 7 A c so-0 3186-L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626-4675 • (714) 641-8777 ® CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE JOB NO. SHEET OF STREET CAMC17Y !lE�t/ W //-.?/- & .3.jG L vZS Q /oo eq WR =/9., ,Q -- . ?t4 Q = , •WZ/ Q 4 - 04o� n ow 0S(of- Al -w 9/ k as. o7 Q loo SGL 10,87.8.3 #a11 A4, 3186 -L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626-4675 • (714) 641-8777 COMPUTER METHODS IN URBAN HYDROLOGY ' 92 - 1 11�1 WE c HWIDTH CURB (6" OR 8 ") XFALL i (e. .0 17Z) _ CURB / HIKE . F LIP • rl GUTTER ASSUMED VALUES: 6" CURB 8" CURB Curb 6.0" 8.0" Gutter 1.5' 2.0' Hike 0.125' 0.167' Lip .03125' .03125' Manning's n .015 .015 STREET FLOW MODEL GEOMETRY VARIABLE DEFINITION Fig. P7.1 NOTE After consultation with Williamson & Schmid, the following data was put into the computer in order to simulate the Washington Loop Road cross section: Curb - 6.0" Crossfall • .027 Gutter 1.5' Since there is actually an 8" curb, the top of curb will not overflow until a flow depth of 0.67' is exceeded. O Z Q , � • i" Z Z 9 * o /" "'p" t Q ?- Q - 0 J • • . - �2/d Z O O Q.. W e kuni a L1J —1 .--- - , ----.6 - 34 g 0 r CC LIJ c . /,. . , //,I , , / tm) •-•J >.- Cf) , . .\ \ , . O 0 Q -, �, CO = Q CL 0 cc \ a , ' ' c ��r • CL L. 9 p1/∎ / 1 \ � C 4Q %-;:, o • 2 ? (f , a., co ,._ • \ I_ , Soy . e . J, ,-- . ; Qf . '� of y rfi.; .4. -.1 I 4 t V4 . — ' ' :--'..,, •71 * : I ,/ • "'-x. , Ali„ A s i. • ,,. , ...k. ,1, .. . -::: i ■ • f w.. .‘. - • , V ) a ar e7 - . , .1 0 : , / 0:,% . .. s -:. \ 41 dt i, , • \, r y �s, � � F g ill ' � A t ♦ 71 4. T-. _ •J . V • � // �S ..a.-ic ' ax ....,..., -7 4. .o -,...s ' • ...- ._ ,,, ste,:,- i /.. .0% /..'- -- -•• ----.: ----....? : / ; , r .eg ! k tom • , ,,,,, .. +. ' . ': ., y * 4 • � Q z s..... A r r. J e� W cc f.,-;.,,, • ,. i 2 ,,,,,, 4 r,..-, ..,--., ,.._... ,,.... .., . ..„.., . : , .. • _., , .4... .-„, 4:- • . .._ ,.,„,(ii .,_ / 'fr c '''•; t -_ ; . ', • '. . .,, Z Fs 2 1— CO 0 .. , '- CC O 1.- r' .--.„..,..f. . - dipifir,, •,... ti . 4 ...,.. ; - / . 9 i f 0. J _ r „ • (.>.,-zJ / a Note: As an additional check of street capacity, the hydraulic elements program was used to simulate the street cross section in order to calculate the street capacity to the top of curb. HYDRAULIC ELEMENTS - I PROGRAM PACKAGE ============================================================================ <<<((<(<(4 ( 4 ((4 (<<((<(<4<(<<((<<<((< (0})})})))) > >) >) >>) >}>)) >))}) >) >)) >»)}> (C) CoDvricht 1962 Advanced Enaineerina Software rAES3 Especially prepared for: HALL & FOREMAN, INC. <<<(<<<<<(((<<<(<<<<(<<<<<<<<((<<<< < <<}})})>))}}>}>>>}})}>}>}})}}>>>}>}}}}}} Advanced EnaineeringSoftware CAES] SERIAL No. A0479A REV. 2.0 RELEASE DATE:12/30/82 ((<<(<<<<<(<<<(<<<(<<<<<(<<<<<<<(<<<( )}>>}}>>}} DRA HYDROLOGY LINE A * ° W,' i '5�--Im� LOOP ROAD STREET CAPACITY BLOPE=1.4% + � �7 � C" :o*'S 9/30/8G 9:40 A.M. }>}}ST��ETFLOW MODEL INPUT INFORMATION(((( ____________________________________________________________________________ STREET GRADE(FEET/FEET) = .014000 C3%3TANT STREET FLOW(CFS) = 27.70 AGt STREETFLOW FRICTION FACTOR (MANNING) = .015000 C0y437 km SYMM RICAL STREET HALF-WIDTH(FEET) = 20.L D' T A i SYmMETRICAL STREET CROSSFALL(DECIMAL) = .027000 C SYM�ETRICAL CURB HEIGTH(FEET) Ti:4 -.-, S ETRICAL GUTTER-WIDTH(FEET) = 1.50 CJ�STA:\ SYMMET.RICAL GUTTER-LIP(PEET) = .U>1000 CID Z*TA:T 5YM�ETRTCAL GUTTER-HIKE(FEET) = .12000 FL-r-'W ASS-11MED 70 FILL STREET ON ONE SIDE, AND THEN SPLITS ============================================================================ 67REETFLOW MODEL RESULTS: ____________________________________________________________________________ STREET FLOWDEPTH(FEET) = .62 AVERAGE FLOW VELOCITY(FEET/GEC.) = 5.21 ** * * * * * ** *DESCRIPTION OF RESULTS *+ �* �� ��������;► �� *��� ���� �����;e �����;����►��� * FOOTHILL DRAIN HYDROLOGY LINE A * W LOOS' ROAD STREET CAPACITY SLOPE= 1. EX a * JOHN SIMS 5/30/66 9:47 A. M. S. N. 3366 � ):))STREET-LOW MODEL INPUT INFORMATION(((( ---------------------------------------------------------------------------- L^N"= > STREE? GRADE (FEET /FEET) = .012000 C. ONI TAN7 STREET FLOC! (CFS) = 25.60 r:'•:" =RAGE STR ETFLOW FRICTION FACTOR (MANNING) _ .015000 D0457AN SYI+ ?Me7R:CAL STREET HALF— WIDTH(FEET) 20.00 _..... , 7A! SYA' STREET CROSS-ALL(DECIMA _ .027000 CON S74K7 SYMWE T RICA_ CURES Ht IGTH (FEET) = .67 CZ . TPN SY:fiM_T RI GA" BUTTER— WIDTH(FEET) — 1.50 CC.-•:_- T SYMMETRICAL GUT TER —LIP (FEET) = .01000 Z '...;7 . N , SYMME TRICAL BUTTER—HIKE(FEET) = .12000. F oOk PSB"":ED TO FILL_ STREET ON ONE SIDE, AND THEN SPLITS " R E E MODEL RESULTS: S7REE7 TZOWDEPTH(FEE7) = .62 v .a_ " S T RE.ET FLOODWIDTH(FEET) = 19.71 f - :VERP S= F —OW VELOCITY (FEET /SEC.) = 4.61 T ADDiC7 DF DEDTH &VELOC1 = 2.99 E� ff� SUBJECT CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING er DATE JOB NO. MET .E A - �f'reeET _ Etno�S ANN .f:�s O rr, IV4 E .s V TYP /CAL SErT / ON - 17LT�O -" INTERIOR STREETS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3428 • (714) 841.8777 - - - Tye /G4L h & 9 26"M40-00 99 CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT By DATE lOB h0. SHEET OF so o 1 1 r I j i j 7o P oc Ftii •� `/N 4 i riG4ii � •� f�Jj 3186 -L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626 -4675 • (714) 641 -8777 rA wag g 5�6"W40.wt gmet CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE w .i JOB NO. SHEET OF ? C1F�r w . .,..�o c• �3G b 0 5 o �.'c F = N Y. l �/� ✓ Q��� ��= , �'� / � � � aG. o �� -.225 = d3 • G � -�.-�. 41s = //3 . S.� !! 07 X ;:zl 1: Tip T S. C /DN (TG 215, 1144 r 7C �GV o.0,) S _ //�3 y /i3.SS = �3•e,3CF:; //8.3 X 14 1. ?1 /f. 0 � Cam: G.o�3f. S• //� •//2(ft X113.55 12.7.�cx .//26 14 1- 1 1 - .SCa Al- E coc 3186 -L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626 -4675 • (714) 641 -8777 i < �o kilo / t. /D' p Q _ 0. 0. .2 y = N Y. l �/� ✓ Q��� ��= , �'� / � � � aG. o �� -.225 = d3 • G � -�.-�. 41s = //3 . S.� !! 07 X ;:zl 1: Tip T S. C /DN (TG 215, 1144 r 7C �GV o.0,) S _ //�3 y /i3.SS = �3•e,3CF:; //8.3 X 14 1. ?1 /f. 0 � Cam: G.o�3f. S• //� •//2(ft X113.55 12.7.�cx .//26 14 1- 1 1 - .SCa Al- E coc 3186 -L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626 -4675 • (714) 641 -8777 1 j � CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE JOB NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS I DEC. 1986 3366 1 1 TRIBUTARY AREA TO FOOTHILL DRAIN LINE A DRAINAGE AREA ACRES HIGH ELEVATION LOW ELEVATION DRAINAGE LENGT 10.1 6.3 1269.9 1250.6 920' 10.2 8.8 1261.4 1241.3 1100' 10.3 5.4 1258.8 1247.5 720' 20.1 5.6 1254.5 1239.6 600' 20.2 4.8 1243.9 1236.8 650' 20.3 3.7 1244.0 1232.1 550' 20.4 5.2 1239.1 1232.0 750' 40.0 2.5 1223.8 1214.6 850' 1000' 40.1 5.2 1236.0 1224.2 600' 40.2 4.0 1223.5 1232.0 1214.6 1213.3 1000' 40.3 40.31 2.7 2.2 1219.0 1213.3 530' 40.32 2.4 1232.0 1219.0 830' 900' 50.1 1.4 1221.0 1210.1 830' 50.2 2.8 1221.6 1210.1 850' 55.1 4.1 1219.0 1208.0 450' 55.2 1.3 1212.5 1208.0 430' 55.3 0.3 1210.0 1208.0 780' 56.1 2.2 1.4 1213.0 1207.5 1206.0 1205.0 250' 56.2 56.3 0.5 1207.5 1205.0 250' 57.1 2.2 1204.5 1201.0 400' 75.0 (TOTAL) 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 G wag g 5po"W"'O't gmet CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE JOB NO SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS 9/26/86 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINE A * Q 10 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 ! =i!ilil iiil ii!! i= iil iifiiiiiiiii= iil iiiiOl J lili RAT IONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY 488C) 1983 HYDROLOGY MANUAL {{{{{{{{{{{{{{{{{{{{{{{{{{{{{{({{{{{{{)}}}}} }} }}} } } }} } }})} >>)>)> } } }}))}) }})) (C) Copyright 1988 Advanced Engi software CAES? Especially prepared fors MALL & FOREMAN. INC. tiftt « {{{{{{ clt{ f< ff< ffif{ ffl{{ lllllt22 JJJ2 JJ 2JJJJ2J222lJJJJJJJJJ222JJJJ >22 04t* se+Re+ **DESCRIPTION OF RESULTB�irw�eaeea�saeesease +rsee sr�r�r+r�e+r+r+�arwaea+�atseaw arawir * FOOTHILL DRAIN HYDROLOGY LINE A +t e 421 FROM NODE 18.1 TO NODE 607 +h * JOHN SIMS J. N. 3366 18/5/86 Ss03 A. M. +r 1NlRilll�l�lll�lllM�l�F M1Fitili!•F��! �!1!1!x M' IhMN�l�t�l�l1l�k�k�t�l�F�hit�l�l�l�F1l�liF1l�F1l1l�F1lilitil�lllltlliF�F1lilili !•liF�l�F�lM•lM�! --------------- - - - - -- - - - - -- --- - - - - -- - - - -- - - - - - -- -- - - - - -- - - -- - -- -- -- -- -- - - - -- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATIONs ---------------------------------------------------------------------------- USER SPECIFIED STORM EVENT l YEAR J =* 10.00 SPECIFIED MINIMUM PIPE SIZE(INCH) 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITYIINCH /HOUR) a .980 cl� 100-YEAR STORM 60- MINUTE INTENSITY<INCH /HDUP) i 1. COMPUTED RAINFALL INTENSITY DATAs STORM EVENT - 10.910 1 -HOUR INTENSI TY l I NCH /HDUR> _ .9&98 SLOPE OF INTENSITY DURATION CURVE a .6000 SRC HYDROLOGY MANUAL "C VALUES USED {< t<< f<<{{ tl{ f{ f ! {l <ffllllll {ll {ll {ll {J2JJJJJJJ })22}}22}}} >2JJJ }JJ }JJJ22 }2 Advanced Engineering Software CAES2 SERIAL No. A0'386A REV. 3.1 RELEASE DATE: 5101 ISS tf({{{{{ { { { { { {f { { { { { ( { { { { { { { { { { { { {{ { {{» >)> ) > > > > > >> > > >>> >) >) >> >> >> > > >) >> }>)> + eat+ cK�earre�c�t�e�c��Ka��rKnar�r�rKw�r�rar aar+�ww�reaear�r �r+t+r+rK+a�e+r�rK+r�rae �r�rar�r�c ar�r�rK +r�r�+rar+t�rux�raearie��r+e �r FLOW PROCESS FROM NODE 10.10 TO NODE 18.10 IS CODE = 2 ---------------------------------------------------------------------------- 2J)))RATIONAL METHOD INITIAL SUBAREA ANALYSIS {{ { {{ iii!li sisiiissiisss ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY 41/4 ACRE) TC = K*C (LENGTH**3) / IELEVATION CHANGE} 2**. t? INITIAL SUBAREA FLOW-LENGTH i 910.00 UPSTREAM ELEVATION = 1?69.get DOWNSTREAM ELEVATION i 1e50.fio ELEVATION DIFFERENCE = 19.30 TC = . 393+ C l 9e6. 8o**3) / l 2 9. 302 3+o-+1. L = 13.035 10.00 YEAR RAINFALL INTENSITYIINCH /HOUR) _ . SOIL CLASSIFICATION IS `•A" SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT - .72 -:39 TOTAL AREA<ACRES) = 6. TO `TAL RUNOFF<CFS) = 11.ie7 2 �!1!•�N! M�F R1! �!i!!F�! 1N! •F�F �! �! �Fil�! �! 1! �P �! �!• �l�t•�! M�! Q•�! �!� �!�! i! iF 1!'1! �F iF 1M! iF1! �! 1! �! 1!R �! �!• N �F �!•�!•�!•IF �!�! i! �! �! �! �!•�[• iF1F•111Fi! �! 1! iR• FLOW PROCESS FROM NODE 10.15 TO NODE 10.00 IS CODE = 6 ---------------------------------------------------------------------------- ))))) C MPUTE STREETFLOW TRAVELTZME THRU SUBAREA < < < < d saesaaaasssssss sea: assassae= asaaaaasaaaaaassasaassaaaassssssasssaas :=as=sas=ss UPSTREAM ELEVATION = 150.65 DOWNSTREAM ELEVATION 1:42.35 STREET LENGTH(FEET) = 600.00 CURB HEZGTH(ZNCHES) a 6. ". 6.0 F 'o'e HOOEV�Ic qC7V,9" 8 STREET HALFf�,tI DTH <FEET) - ?0. 00 STREET CROSSFALL ( DECIMAL) _ .0870 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF a 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) STREET FLOWDEPTH _ .49 HALFSTREET FLOODWIDTH(FEET) a 13.93 AVERAGE FLOW VELOCZTY WEET /SEC.) = 4.13 PRODUCT OF DEPTHRVELOCZTY = 8. 03 STREETFLOW TRAVELTIME(MIN) a 8.48 TC(MZN) a 15.46 10.00 YEAR RAINFALL ZNTENSITY<ZNCH /HOUR) = 8.833 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7098 SUBAREA AREA < ACRES) ,Q 0.00 SUBAREA RUNOFF (CFS) = 0.00 SUMMED AREA IACRES) a S. 30 TOTAL RUNOFF <CFS) END OF St DAREA ST REETFLOW HYDRAULICS s DEPTH(FEET) - .49 HALFSTREET FLOODWZDTH(FEET) = 13.93 FLOW VELOCZTYIFEET /SEC.) = 4.13 DEPTH*VELOCITY = 8.03 �► itititie •is�t•ir�•ir�•�t�t�irirxr. xir•�t�•�rir• its• �e• it��t�rst�r�• k�x�ririe��r��r�rir���r�r�t��e• er* r�r�x• �ieirir •K�+xee�rx�t���e•�r��t�t•x FLOW PROCESS FROM NODE 10. 30 TO NODE 10.00 I S CODE _ $ ---------------------------------------------------------------------- - - - - -- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOb,tr,l((( 10.00 YEAR RAINFALL ZNTENSZTY(ZNCH /HOUR) _ .^-. 33 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT >Q .709.:: SUBAREA AREAIACRES) 5.40 SUBAREA RUNOFF<CFS) = 8.55 TOTAL AREA (ACRES) >F 11.70 TOTAL RUNOFF <CFS) >e 19.8 TC<MZN) = 15.46 aae•+Ear�e�►.• *�• �r ar � ie•rr it ar �• ir+t �e�r ic• •t+r �•� ar �r •k �e• •K ar w rr+e•w• ie•w•�c•+a+r+e• aric�+e•�t+t * �t+e+e+a+e+ta *+r+e+e•a ar � �ru•�r � �+e � � x+e�e ar �t•ir FLOW PROCESS FROM NODE 10.00 TO NODE 10.00 Is CEDE 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((S aasra=.atars.:sssa :Bess+ rarrrrraraas.mrra :ars = eases. Barra :mraras+arrsrrraraar :rasrtasss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) r 15.46 RAINFALL INTENSITY ( INCH, /HOUR) z• Ze.:'3 TOTAL STREAM AREA (ACRES) - 11.70 TOTAL STREAM RUNOFF AT CONFLUENCE = 19. 8c: �! iG•iF •It• iF i.• i! 1F �! i!•i! 1! 1! *�! �! M •Ik 1C iF i!•iF 1!• �!• 1! i► iF �!• �! iS• 14 i! iF i! 1! i►1ti!• �! ih 1! R i! * R * �!' 1! R 7E•'1! R f! •!• ih it �t i!'1!• �[•'1! 1! �t•'1! i! 1t• 1! �[• �!• i! 1F i!•�! i! �! i! FLOW PROCESS FROM NODE 10. E0 TO NODE 10.00 IS CODE s: 8 ------------------------------------------------------------------------------ )))))RATIONAL METHOD INITIAL SUBAREA ANALYSZS<<<<< . sarrsaassay. Barrrs�• rrrarsras�rssrrasseaaasasrrsrarasssrsaraasrsasaa :asss=ssssaaar ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *F1LENGTH * *3) /(ELEVATION CHANGE)Z * *.w INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 12%61. 40 DOWNSTREAM ELEVATION r !841.30 TC - . 393* E ( 1000. 00 * *3) / ( ee. 10) Z * *. i - 13.593 10.00 YEAR RAINFALL INTENSZTY(ZNCH /HOUR) - e. filter. SOIL CLASSIFICATION ZS "A" SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT - .7196 SUBAREA RUNOFF(CFS) - 15.EB TOTAL AREA(ACRES) - 8. do TOTAL RUNOFF(CFS) - 15.%°8 FLOW PROCESS FROM NODE 10.00 TO NODE 10.00 18 CODE = 3 ---------------------------------------------------------------------------- ))!)}DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<(< >!! } >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<<<< == s=;' s== ssssss=== s= s= s==+'r s= ssssss= s= sssssassssssssssa ssssssssssasssssasssass CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE: TIME OF CONCENTRATZON(MZNUTES) = 13.59 RAINFALL INTENSI'T'Y ( INCH. /HOUR) _ ?. 41 TOTAL STREAM AREA (ACRES) err 8. g@t TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 15.E CONFLUENCE ZNFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 19. Sa 15.46 E33 E 15. Zee 13.59 E.41t RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR E STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 33.96 3E. 70 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) - 33.96 TIMEIMZNUTES) - 15.458 TOTAL AREA ( ACRES) - E 42t. 50 ** *** �t* ie* * a+s+rac•1+r*** *+e*** **** *ar *+ c*********** ***** ** * ******4t.. • FLOW PROCESS FROM NODE 10.040 TO NODE 15.08 IS CODE •* 3 ---------------------------------------------------------------------------- )))))Ct7MPUTE PZPEFLOW TRAVELT THRU SUBARE} ?<< <<< )))!)USZNG COMPUTER- ESTIMATED PIPESZZE (NON- PRESSURE PLOW) 4 < < < < asss =a•ass ssss sssssaass s s ss srss sss ersrsrssss ssssss srs sarssssssss&W sass ssss assasssss• DEPTH OF FLOW IN 30.0 INCH PIPE IS 19.7 INCHES PZPEFLOW VELOCZTY(FEET /SEC.) a 9.9 UPS'T'REAM NODE ELE VAT Z ON - 1 E4 3.30 DOWNSTREAM NODE ELEVATION FLOWLENGTH (FEET ) - Sete. MANNZNGS N - .013 ESTIMATED PIPE DIAMETER(INCH) 30.00 NUMBER OF PZPES a 1 PIPEFLOW THRU SURAREA(CFS) 33.96 TRAVEL TIME (MZN.) _ .64 TC <MZN.) 16.340 FLOW PROCESS FROM NODE E0. 10 TO NODE 15.00 IS CODE = 8 ---------------------------------------------------------------------------- !) }))ADDZTZON OF SUBAREA TO MAINLZNE PEAK FLOW { < <(< s srsssasasssssaawssss ssssas.=sssa + ssrzsssss --- sassaas sasss :ssssssaarssss :sssssassss 1Qt.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - E.164 SOIL CLASSIFICATION 19 "Al' 8INGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT - .7046 SUBAREA AREA(ACRES) 5.60 SUBAREA RUNOFF(CFS) - 8.54 TOTAL AREA(ACRES) _ &6.10 TOTAL RUNOFF = 42.50 TC(MIN) - 16.30 FLOW PROCESS FROM MODE gQe, TO NODE 15.00 I S CODE = 8 -_.-------------------------------------------------------------------- - - - - -- �. ))!!)ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< = saaassaasas sasass assssasa�sssassssa aaaa=ssssa� :sa ---- sssaassssauarssair=ssssss 10.00 YEAR RAINFALL ZNTENSZTY4ZNCH /HOUR! SOIL CLASSIFICATION I9 "A" SZNGLE- FAMILY4114 ACRE LOT) RUNOFF COEFFICIENT = ,7046 SUBAREA AREA (ACRES) - 4.80 SUBAREA RUNOFF (CFS) = 7. 3: TOTAL AREA 4 ACRES) = 38.90 TOTAL RUNOFF4CF8) i 49.8.- TC(MIN) _ 16.30 �e�!• K+ e+ e+ rx�tie�e�ae• ieir+ e�+r � +�ar�e�r+c��r�e•�+��ic��•iru+aa iru•�+e+�+e�x•w•a K���t+ ei r�ex• a+ ex�ex� •��a•�e�e�r�r�exir�r���[•�e�e FLOW PROCESS FROM NODE 15.00 TO NODE &0.00 I S CODE 3 ))!))COMPUTE PIPEFLOW TRAVELTZME THRU SUBAREA44444 !! >) USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) <<<<< DEPTH OF FLOW IN 36.0 INCH PIPE 19 :°4. 7 INCHES PZPEFLOW VELOCZTY4FEETISEC.) = 9.6 UPSTREAM NODE ELEVATION r 1.°35.2'0 DOWNSTREAM NODE ELEVATION i li31.50 FLOWLENGTH(FEET) = 4218. 00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER4I = 36.00 NUMBER OF PIPES i 3 PZPEFLOW THRU SUBAREA4CFS) = 49. SE TRAVEL TIME {MIN.) i .73 TC 4MIN.) = 17.03 +c•ie•+t�•+e � it+e•x x•+� atae+t ie �c+e•� it x• � � Feu �t x is �ie•+r+r+e+e �e•�r+�•�e•+tir+e�rre•�e «•ir+�x+�at �r�r �+e•� u•�e w �a•ie w•�r w•�rr ��a+t+ra�+�u•irar FLOW PROCESS FROM NODE E0, 30 TO NODE ".08 IS CODE i 8 ---------------------------------------------------------------------- - - - - -- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW < < < (< 10.00 YEAR RAINFALL INTENSITY(ZNCHIHOUR) - &.108 SOIL CLASSIFICATION IS "A`• SZNGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7008 SUBAREA AREA 4ACRES) = 3.70 SUBAREA RUNOFF4CFS) - 5.46 TOTAL AREA 4ACRES) = 34.60 TOTAL RUNOFF 4CFS) i 35.. -_8 TC4MIN) - 27.03 +ta!u�e•+t+r iea it •! �rie•K r. ie r•�rx• it•at+r�a•ar u•�e•u• �r � ar�e•�r mat it itat ��r�e•�r w•� � � «•�e+r ie•�r� �e•ir �e+ex a�e•+tat �e•r. ♦rx �e+a�t�rae•k��rir�eae+e FLOW PROCESS FROM NODE e 8. 40-TO NODE 8.00 ZS CODE = 8 ---------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW{ < < << sraasyssr: saaasaassr aasaaamrasaeaamzaaa: aarasaa srsrraaaaaasrs :srasraasaaa=sa :Gas 18.00 YEAR RAINFALL ZNTENSZTY I "ZNCHIHOUR) _ .-.. 2 A8 SOIL CLASSIFICATION IS "A" SZNGLE- FAMILY(114 ACRE LOT) RUNOFF COEFFICIENT = .7008 SUBAREA AREA (ACRES) 5. ao SUBAREA RUNOFF 4CFS) = 7.68 TOTAL AREA ( ACRES) 39. eo TOTAL RUNOFF 4 CFS) 62'.96 TC4MIN) •= 17.03 +c•ae•�e � a�••K rr �e �t�tar�t�t iris x•+r+r �c �tre•K� ar�r �c•ic �t ac r. +e•u• err. at ie � � �� •k�sK+t ac it it+e•+e+t•+e•�a+t�r arcs �e•�e afre+�ae it•�►a� ��e ire w•+r FLOW PROCESS FROM NODE ZO.00 TO NODE 30.80 IS CODE = 3 ------------------------.---------------------------------------------------- ))!))COMPUTE PZPEFLOW TRAVELTZME THRU SU9AREA4 < < << )))))USING COMPUTER- ESTIMATED PZPESZZE (NON- PRESSURE FLOW) < < < < < si ssssaasssaerssi sA'ssisssiaiiissssssss :ss iaaiaiaia ara iiiie a s ii.esrieris i i :sae as• DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.0 INCHES PZPEFLOW VELOCZTY4FEETJSEC.) = 10.3 U17-STREAM NODE ELEVATION = 1. DOWNSTREAM NOME ELEti+ATION = 1221,60 FLOWLENGTH { FEET) = 12 00. 00 MANNI NGS N = .013 IPEFLOW THRU SURAREA4CFS) = 68.95 S - TRAVEL TIME 4l+tIN. ) = 2.78 TC 4MZN.) = 18.82 �+ a+ ru• a�r ��e�raeirat�ru�acar��ra �rsr + r+ e�r�ah�• �e• w��r+ ��+ t+ s+ e��cw�ra�e�e t�� �t�w��e�w�+ t- �e• ��r� +tae+r��e�+taeae FLOW PROCESS FROM NODE 38. 08 TQ NODE 58.88 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PZPEFLOW TRAVELTZME THRU BUSAREA )))))USZNG COMPUTER - ESTIMATED PIPESZZE 4NON- PRESSURE FLOW)44 {44 =' aAlaa!! laAAAAA AaalAala!! A! AlaRaAia= !!laAAA =A!!liAAliA7'liiAAliia!l iAAAlAAAaaa DEPTH OF FLOW IN 36.8 INCH PIPE IS E'4.5 INCHES PZPEFLOW VELOCITY(FEET /SEC.) = 1E.3 UPSTREAM NODE ELEVATION a 1882.68 DOWNSTREAM NODE ELEVATION = 2828.28 FLOWLENOTH(FEET) = 800.88 MANNINGS N = .823 ESTIMATED PIPE DZAMETER4INCH) = 36.00 NUMBER OF PIPES 3 PZPEFLOW THRU SURAREA(CFS) = 6E. 96 TRAVEL TIME 4MZN.) = 2.89 TC (MZN. ) - 19.940 1 F 1 t 1 l�iliF 1 likK�► ��hiF 0 !# 1 F�k�l 1 R 1 Fil1lll il aFlF al �lRM�lah �F�!• 1F�R• i! t! r! �l iF �t ilae Klt il iFitil �P�l�F�l� !•i!�!iliFR FLOW PROCESS FROM NODE 50.00 TO NODE 50. IS CODE 3 ---------------------------------------------------------------------- - - - - -- ))))) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ss: sassaslssssssssssassss: sssssssarasas asassesssssssms : :sssssssssssasssssss :s CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTEB) = 29.98 RAINFALL INTENSITY 4ZNCH.lH0UR) = TOTAL STREAM AREA (ACRES) A+ 39.80 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE = 8.96 1t�t•�tx•+e�t+aatarr. a� r. �t •t ae ar r. �r x it x � is x•�r � � � �+r ac � x x � � � xu+F+t+�K x�t+r�c �e� �r a aru• at•+ �r+ t+ ��e •���r+t�r+r+�uit•�e+e�r+�+e��r �►�r FLOW PROCESS FROM NODE 50.00 TO NODE 50.00 IS CODE = 7 ---------------------------------------------------------------------- - - - - -- > > >>> USER SPECZFZED HYDROLOGY INFORMATION AT NODE <<<<< USER - SPECIFIED VALUES ARE AS FOLLOWS; TC4MIN) 29.96 RAIN INTENSITY(INCH/HOUR) A 1.9a TOTAL AREA4ACRES) i 19.00 TOTAL RUNOFF4CFS) 17.61 � S a��ta� �t•ao+s�� aeit• ie+t •r io-+r �r rr �r+e•�+r�►+r r. it •r �e•�� ae �r � �•w w•+e ao-��t+►+t+e+c+e+r�e rr�t ir+t �c+r ar+e ar �•it� x uw�r it Kerr. at•�eic•K+e �eae+t �t FLOW PROCESS FROM NODE 50.00 TO NODE 50. Seca Z S CODE 2 ---------------------------------------------------------------------------- )) >)) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<< ) >)) >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES <44<( saa:araAaasaaasassaalasssrA =! aersasAars i isi!! lsA= iAAaaai!liaA :asAlAAASaiasAala CONFLUENCE VALUES USED FOR INDEPENDENT STREAM c• AREs TIME OF CONCENTRATZON4MZNUTES) = 19.96 RAINFALL INTENSITY 4INCH. /HOUR) = 2. 9.:. TOTAL STREAM AREA 4ACRES) = 29.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = ca17.61 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER 4CFS) 4MZN.) 4ZNCH /HOUR) -- - ------- 1 6:?. 96 2 9. 98 ! 9:38 E' e7.61 19.96 2. 916 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATZO FORMULA(SRC) USED FOR E STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS; 90.48 90.45 nelueu arts nrf�aa -a a AL-A -ML- mar AA tA%L • f1t_aG RUNOFF4CFS) = go. .4a TIME 4 MINUTESY TOTAL AREA4ACRES) a 88.80 x• x• w• x• xx• �l 1l x� ► x•�!a!�!�laFx•r!�l�t�lxx•ualx �l x• �t• �l tx• at x• x x Mx il �l Mll �l �l xlFM�l NQiI IF�FiF� !•xilxlliliNlilx•�Nlx•4FRx•1!x FLOW PROCESS FROM NODE 50.10 TO NODE 58.00 IS CODE 8 --------------------------------------------------------------------------- >i ?iYADDZTZON OF SURRREA TO MAINLINE PEAK FLObt{ { { {{ seasrassass saes: ssasaassasssa :assassssss�aessss -- - sssssaesssasssa =sssssassssas 10.00 YEAR RAINFALL INTENSITY4 ZNCHJHOUR) - SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .817 SUBAREA AREA(ACRES) 1.40 SUBAREA RUNOFF(CFS) 2.20 TOTAL AREA 4 ACRES) 60.218 TOTAL RUNOFF 4 CFS Y R 92.68 TC (MINY = 19.90 x•x•rrx•+ex•it�titr. x�raarxirxxxx• x+ tx• u�cxxu• xxxxx•+ t•+ txirx•+ cxw•+ e• �e�r�e+ tx• uxxit• e�e�t�rxu• �ex•�t•xxxx�ex�r�tx�rxx�ex+tx• FLOW PROCESS FROM NODE 50.ZO TO NODE 58.08 I8 CODE a 8 ---------------------------------------------------------------------------- ) >i))ADDZTZON OF SUBAREA TO MAINLINE PEAK FLOW 44444 sssssss : :sassass assess =sass.ssassssassasaa sass= ssaassasss =aasasaasssaaasaaaaaasa 10.00 YEAR RAINFALL ZNTENSZTY4INCHIHOUR) 1.9ZO SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .817:: SUBAREA AREA(ACRES) 2.80 SUBAREA RUNOFF(CFSY a 4.39 TOTAL AREA{ACRES) R 63.08 TOTAL RUNOFF4CFS) = 97.07 TC (MINY a 19.90 iex•xirxx arr. x+ e• arx• arx• �rar�x• xarx• �e• xirxxx•+ c• xrexx�r�rie•+ ex+ a• k+ ex• x• arx• x• �xx• x�+ e�ex• xu+ r+ �x+ ex•x�rxi►x•x�rarar+e•Kx•x•x•war FLOW PROCESS - FROM - NODE ____ 50.00_ TO NODE -_ - - 55.00 - IS CODE 3 - - - - -- ----------------------- titiiCOMPUTE PIPEFLO#�1 TRRVELTZME THRU 3UBRREA { <{ <{ )>) >)USING COMPUTER- ESTIMATED PIPESZZE 4NON- PRESSURE FLOW) 4 4 4 4 4 ssssssssassasasssasassssass assaassaasssasssrssarss sssssarss DEPTH OF FLOW IN 48.8 INCH PIPE IS 37.6 INCHES PIPEFLOW VELOCZTY4FEET /SEC.) = 9.2 UPSTREAM NODE ELEVATION a 1E18.18 DOWNSTREAM NODE ELEVATION = 1288.08 FLOWLENOTH 4 FEET) a 400.00 MANNZ NGS N a .013 ESTIMATED PIPE DIAMETER4INCH) - 48.08 NUMBER OF PIPES a 1 PZPEFLOW THRU SURAREA4CFS) a 97.87 TRAVEL TIME 4MZN. Y - .73 TC 4MZN. > - E*6. S Kx•kaer. x• u+ ru�eir�► x• ac• �rxx+ �x• x• �xx+ e• xx• x•+ rarxK�rK x•+ r�r+ e�+ exxa�arxwxx• x+ �+ rirxir+ eiex�rar�rararx�rx •ir+i•x•x•�x•�x�rxarx FLOW PROCESS FROM NODE 55.18 TO NODE 55.00 IS CODE 8 )) >))ADDZTZON OF SUBAREA TO MAINLINE PEAK FLOW( 444 aaassssaanasaaa.saaaaaa :sssas aaaassataaaaas aasmaassa.era+asssa :sssasassa :sass sass: 10.08 YEAR RAINFALL ZNTENSZTY(INCH /HOUR) = 1.879 SOIL CLASSIFICATION IS "A" SZNQLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .68.96 SUBAREA AREA(ACRES) a 4.18 SUBAREA RUNOFF4CFS) a 5.26 TOTAL AREA(ACRES) 67.18 TOTAL RUNOFF4CFS) 10.2.33 TC (MIN) c xx•+ rx�xx• x• xxx• xxx• x+ titxxx• x• xx+ ex+ r+ tx•+ rx• rx• x• x�r�e• irx�rxxx• xx• �r+ exx• �tx• �irx�xxx�x• xafx •rr+rxx�c+rx•irxararx••R�e•xie• FLOW PROCESS FROM NODE 55.E0 TO NODE 55.08 IS CODE 8 --------------------•--------------------------------------------------------- >) >)>ADDZTION OF SUBAREA TO MAINLINE PEAK FL0W(4( {{ ssrsas ass= aaaa= asss sssassasaass :sa :aaaaaaaaa :seas :ar =sassssssaasas =aassasaa 18.00 YEAR RAINFALL INTENSITY4INCH /HOUR) a 1.879 SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFF a .68$6 7 SUBAREA AREA(ACRES) 1.30 SUBAREA RUNOFFICFS) = 1.67 TOTAL AREA(ACRES) 68.y8 TOTAL RUNOFF4CFS) 103.99 TC 4MIN) = P0.6E �! 1! 1!!�!• i!1! �R�! 1F 1!�l�F iF �! 1!! i! �!• iF �! �! R �! Q•�F 1F �! N•�F Q�! �!R �!•1!•1!i! �!�! �! 1!�! �t �!�!•�! i! �! M �F�! R 1!R i! �M! �! �! i! �! iF iN! 1! �F �!7!�! 1!1!•1!1! 1! _ - FLOW PROCESS FROM NODE 55.340 TO NODE 55.00 IS CODE a 8 -------------------------------------------------------------------- > > >> >ADDZTZON OF SUBAREA TO MAZNLZNE PEAK FLOW(<(44 sssssssss:ss sssss :sss :sssssssssssssssssssss sass ss :sssss:sss:ss�ssssssss�ssss 1+B. && YEAR RAINFALL ZNTENSZTV 4INCH /HOUR) 1.879 SOIL CLASSIFICATION IS " A " COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8165 SUf AREA4ACRES) _ .30 SUBAREA RUNOFF 4CFS) _ .46 TOTAL AREA4ACRES) = 68.70 TOTAL RUNOFF4CFS) 184. TC4MIN) - & .6E 1! 1!•1l1h1F �! 1!i!• iF 1C1R �! 1F 1! it 1! 1R �! 1l1F 1F1h 111E �! i! �!• �! 1t �! i! 111! �! �! �!�! M i! 1!M 1Fi! 1! iF1N! �! �!•�! 1F �•1! 1F �! �! �! �! �!•�! 1[•1P R R �! iF 1! �!�! �!•�! 1! �! 1! �! �! FLOW PROCESS FROM NODE 55.08 TO NODE 56.88 ZS CODE = 3 ---------------------------------------------------------------------------- ) > >))COMPUTE PZPEFLOW TRAVELTZME THRU SUBAREA<<<<< )))))USZNG COMPUTER- ESTIMATED PIPESIZE 4NON- PRESSURE FLOWY4444< : ssss ss ass aasaaas sasaaass aairsaaas aaasasasasas: assssaaaaaasaassaasasssassssanr DEPTH OF FLOW IN 45.0 INCH PIPE IS 3.9 INCHES PZPEFLOW VELOCITY4FEET /SEC.) = 12P.1 UPST REAM NODE ELEVATION 7e l a0a. 00 DOWNSTREAM NODE ELEVATION = 1E1215.00 FLOWLENGTH4FEET) = 300.00 MANNZNGS N +* .013 ESTIMATED PIPE DIAMETER4ZNCH) = 45.00 NUMBER OF PIPES a 1 PZPEFLOW THRU SUE3AREA4CFS) 10-4.45 TRAVEL TIME 4MZN.) s .141 TC 4MZN.) a 2 1e1e•1e1t• 1r r.1� 1t 1t 1r 1r 1r 1r 1r 1r r. i! 1! 1F i! � 1r 1! 1! 1! 1! 1! 1! 1! 1! 1t 1!1! 1! 1e 1! 1! 1F1! 1c ac 14 � 1h1! 1h 1! 1t 1! 1c 1c it•1! it 1t 1l•1! 1e• 1t 1F i! 1e 1e 1e•1! 1!1! 1F 1!1l1e 1!1! 1t1! 1! FLOW PROCESS FROM NODE 56. 0 TO NODE 56.06 IS CODE 1 » )> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ss�assssssss :s asssssssssssasassssssssa sasssssssssssassssssss :sssssssasas sssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = E1.04 RAINFALL ZNTENSZTY 4INCH. /HOUR) n* 1.86 TOTAL STREAM AREA (ACRES) - 66.743 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE a led$ -45 1N�1t1l 1l 1► 1Nl al l► it lF1l 1e 1l 1! 1t1l 1Ril 1F• IPiF1FK• 1fil 1l 11111111le � ll lt• 1til lFil 1111lF 1l �il 1F 1l 1F1r 1t1t1tie it� ll 11itlt lllle•1!1!1!1l1tilllilltMlll! FLOW PROCESS FROM NODE 56.1 TO NODE 56.1 IS CODE _ i ---------------------------------------------------------------------- - - - - -- >) > >) RAT Z ONAL METHOD INITIAL SUBAREA ANALYSIS 4 < < < 4 sa -- assaaassssasaaasa�s s --- ssasssssmesssaassasasmsasaaaass ssssssssssssssssssss ASSUMED ZNZTZAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1/4 ACRE) TC a X*C 4LENGTH**3) / 4ELEVATZON CHANGE) 3**. E INITIAL SUBAREA FLOW - LENGTH = 6040.Or� UPSTREAM ELEVATION a lel3.00 DO4NSTREAM ELEVATION = 1E06.00 ELEVATION DIFFERENCE a 7.00 TC = . 393* t < 6e0. 00**3) / 4 7.00) 2+'+h.& = i . 354 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = E.555 SOZL CLASSIFICATION IS "A" SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT a .7x69 SUBAREA RUNOFF(CFS) 4.89 TOTAL AREA4ACRES) a 8.ee TOTAL RUNOFF4CFS) - 4.89 c ���► �rK+ ea��w��e�ruw���ra�r�ea���e�, h�+ t• �a�a�+ ��rwa���t• a• �r��, aK����ar�at����r, r��r� +e�r�w•���•.r.r�r�r��e�r+r,r �' FLOW PROCESS FROM NODE 56.10 TO NODE 56.&0 IS CODE r 3 ---------------------------------------------------------------------- - - - - -- )>) ))COMPUTE PZPEFLOW TRAVELTZME THRU SUBAREA<<< << ))) >)USZN9 COMPUTER- ESTIMATED PZPESZZE (NON- PRESSURE FLOW)<<<<( s sssssssasssssssssasss: sasaaasaaaaaassas =sssasssssasaasaaasaasaa ESTIMATED PIPE DZAMETER(ZNCH) INCREASED TO 18.000 DEPTH OF FLOW IN 38.0 INCH PIPE IS 7.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.5 UPSTREAM NODE ELEVATION r 1&06.00 DOWNSTREAM NODE ELEVATION = 1205.50 FLOWLEN©TH(FEET) = 50.04a MANNINGS N .013 ESTIMATED PIPE DIAMETER (INCH) 18.00 NUMBER OF PIPES a 2 PIPEFLOW THRU SUBAREA(CFS) or y.09 TRAVEL TIME(MIN.) a .15 TC<MZN.) a 1£'.51 �xwx�t•ie•+f+r�ritir�r�e•�� �t�• �r�ie• ir�r�rit�r�s�t• x• it�irie• �t• �w• �t���ri rx�ic• irie�r����r���r�rx�� •�riex�rx��tir�xer��r�ie��ex•�• FLOW PROCESS FROM NODE 56." TO NODE 56.2'0 IS CODE = 8 ---------------------------------------------------------------------------- )))) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<(( sssssrasass: ssssssssassssssassssssrsarsrsssrsssarsssssssssaassssssssss :sssssss 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) a .9.536 SOIL CLASSIFICATION IS "A" SZNBLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7E60 SUBAREA AREA(ACRES) = 1. SUBAREA RUNOFF<CFS) - 8.58 TOTAL AREA(ACRES) a 3.60 TOTAL RUNOFF ( CFS) = 6.66 TC <MZN) +r�t•+eir ax•a+r+e+r+t�+r �e•+r it �r �+c+s+r+� •c �c� �r it �e•�r+s+raa �e �►•�� �•�t K+t �r�r�e+r�r+r+c•ir�,r+r �K �K at+t��t n•+� ie ��e•x•�e �eirre•�e+r��+ta FLOW PROCESS FROM NODE 56.2-8 TO NODE 56. 00 I S CODE = 3 ---------------------------------------------------------------------- - - - - -- > >) >> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<(<< ))) > >USZNG COMPUTER- ESTIMATED PIPESZZE (NON- PRESSURE FLOW)((( << s saes sssssrssasssssssssasasasassss ressaa greases assssssasssa =sssssaassass =sss =r DEPTH OF FLOW IN E1.0 INCH PIPE IS 13.5 INCHES PZPEFLOW VELOCZTY(FEET /SEC.) - 14.1 UPSTREAM NODE ELEVATION a 105.50 DOWNSTREAM NODS ELEVATION m 1E05.00 FLOWLENOTH(FEET) a 150.00 MANNZN ©S N .013 ESTIMATED PIPE DZAMETER(ZNCH) - .1.00 NUMBER OF PIPES a 1 PIPEFLOW THRU SUECAREA(CFS> 6.66 TRAVEL TIME 4MIN. ) r . 6:? TC <MZN. ) r 13.1Z �r�a+e�t aaru•+o-+r�e•+e arat �s•+r+eu � ia+e•�t+t+tK+��t•�e•�t � • e��tuit•�e•+e•w•u•+e•it•�a+e•x• •tw��+t+tic•�r+r+��t•�e �r�r�t�e x•it•�e•it�e•� *• �t•�•air ��r�i►�e• FLOW PROCESS FROM NODE 56.30 TO NODE 56.00 IS CODE 8 ---------------------------------------------------------------------------- ) >))> ADDITION OF SUBAREA TO MAINLINE PERK FLOW( < < << aassa :sassssssasssssaass�e sea' ssmasas+. ssasasaasssaa assasasss :asm+.searass :aa =saas 10.00 YEAR RAINFALL ZNTENSITY(ZNCH /HOUR) R x.464 SOIL CLASSIFICATION IS "A" SZNGLE- FAMZLY(1 /4 ACRE LOT) RUNOFF COEFFICIENT r .7�Eti SUBAREA AREA(ACRES) _ .50 SUBAREA RUNOFF(CFS) a .89 TOTAL AREA(ACRES) = 4.10 TOTAL RUNOFF(CFS) _ 7.55 TC(MIN) = 13.1& at�•at•+�t•�r� it r. ar+t�e a� �c • «•+ricu•+r+rat+c•n•�+ere•�t•K �e �t u• it �tie�e•� aee ��t ae•ie �e �r+t�e a �e it n•� w•+r+tic �e•�ir�e itae re u• � �•it«•ir � x �K �t•�r�r�r �► FLOW PROCESS FROM NODE 56.00 TO NODE 56." ZS CODE 1 )))))DESZ©HATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM ,E AREs TIME OF CONCENTRATZON(MZNUTES) = 23.12 RAINFALL INTENSITY (INCH./HOUR) TOTAL STREAM AREA (ACRES) = h. let TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.55 CONFLUENCE ZNFORMATZON: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) 4ZNCH/HOUR) 2 204.45 el. 04 2.856 8 7.55 13. le E. 454 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SOC) USED FOR 6' STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 110.15 72A. 72 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 110.15 TIME (MZNUTES) _ £e2. 035 TOTAL AREA (ACRES) = 7i e. 80 M�! �!�! �! �! �!�! �F�t• 1F 1! �! �! 1R 1! i! �! �! �! �[• �! �!•�Fi! �N! i! �! iF i! �! 1! N �! �! R i! �! i! �F �! 1! �! 1! 1! it it �liF 1! u•it i! 1! i! �!•�! �k�lR �!•i! i! �! �t �t �! 1! M i! i!u �lif u FLOW PROCESS FROM NODE 56.00 TO NODE 57.00 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTZME THRU SUBAREA < < < << )))))USZNG COMPUTER- ESTIMATED PZPESIZE (NON- PRESSURE FLOW) < < <<< sssssssssassasasssasaarsrsssssa assss: sssssasassasss =aassssssssssssssssssssss DEPTH OF FLOW IN 4 05.0 INCH PIPE IS 3h . E INCHES PZPEFLOW VELOCITY(FEETISEC.) = 23.0 UPSTREAM NODE ELEVATION = 2:05.00 DOWNSTREAM NODE ELEVATION = 2.e.03.00 FLOWLENGTH(FEET) = 340.00 MANNINGS N = .023 ESTIMATED PIPE OZAMETER(INCH) a 45.00 NUMBER OF PIPES 2 PIPEFLOW THRU SUBAREA(CFS) = 220.15 TRAVEL TIME(MZN.) _ .44 TC(MZN.) �+aae•+e+ rye•+ r�• �c• r. �• ��K�cK��r�e�r�rar�r�eacacar��e�e• �e��r+ t�r�•+ rarara�+ �����ear�r�rx�+ r�ra�+ e+ ex����xacar�r��crr +���•at��+e+r+r FLOW PROCESS FROM NODE 57. 00 TO !MODE 57.00 IS CODE a 2 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE << < << sass=. ssssssssasaaar.: aaaraaarrassaasasssrrsrsasassssssssssssaass assssssarssssa :sss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) _ iel.47 RAINFALL INTENSITY (INCH. /HOUR) _* 3.83 TOTAL STREAM AREA (ACRES) = 7::.80 TOTAL STREAM! RUNOFF(CFS) AT CONFLUENCE a ff0.2S w•+air� �r�t+e�r+ar. � ar a�+r ae x �t•�K re � � �tK it�r�r it n•u•+e a �r � a xae �ar�+e+e•+a arm aere+r+r+r ��ae aac•��r�r�r+t�r+t+tr+sae+�+t�t♦e �c•��r�ratw�e FLOW PROCESS FROM NODE 57.20 TO NODE 57.20 IS CODE .e. ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS <( < << sss sasssaasassasssssr sssassaamasaassss - - - ssssaasasassrsmsss :aa:s aaafrssaessssaaar ASSUMED INZTZAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (2f4 ACRE) TC = X*C (LENGTH+ *3)1 ( ELEVATION CHANGE) 3**. E INITIAL SUBAREA FLOW - LENGTH = 400.00 UPSTREAM ELEVATION = 22'04.50 DOWNSTREAM ELEVATION = 2.°02.00 ELEVATION DIFFERENCE = 3.50 TC = . 393* C ( 400. 00**3) / ( 3. 50) 3 11.1,-- 20. 00 YEAR RAINFALL INTENSITY (ZNCHIHOUR) = Cam.. 7iE0 SOIL CLASSIFICATION 19 "A" SUBAREA RUNOFF {CFS) 4.40 /O TOTAL AREA {ACRES) _ ie.R0 TOTAL RUNOFF {CFS) 4.40 a�+cat•�• sir+ �+ �aerr��r�• iew• arao-�ra�����ra rrt�ar�r�r+ �+ rw�+ ��+ rKw�e�e+ ��r��ea��eK• �ie�+ r�rw• kie�e�iea� +euaru•ie�x•+�K��rw•�r�e��• FLOW PROCESS FROM NODE 57.1 TO NODE 57.00 IS CODE r 3 -------------------------------------- C - ) )>>)CCW4PUTEPIPEFLOWTRAVELTZMETHRUSUBAREA44<44 )))))USINS COMPUTER- ESTIMATED PIPESIZE {NON- PRESSURE FLOW) {{{{{ A yrar aaa= rrr srr raaaaaraarar rarrararaail aJr aararraarara rraaaa.Wrarararraa=alallarAW ESTIMATED PIPE DIAMETER {INCH) INCREASED TO 18.8" DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.6 INCHES PIPEFLOW VELOCITY (FEET /SEC.) = 4.6 UPSTREAM NODE ELEVATION = 12 08 DOWNSTREAM NODE ELEVATION = 1eOO.00 FLOWLENGTH {FEET) a 170.00 MANNINGS N r .013 ESTIMATED PIPE DIAMETER {INCH) 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA {CFS) 4.y0 TRAVEL TIME {MIN.) _ .68 TC(MIN.) = 11.75 acacae acacac aeacae acacaeac ac acacac ac ac ac acacacaracaeacacacacaeac aca ►acacat•acacacacacacacaeacacac �cacat• � etc acwacac aeacaeecac+�rat•a►acieacacacac wacacw ac FLOW PROCESS FROM NODE 57.00 TO NODE 57.00 IS CODE 1 )})))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE {{{{{ ))) })AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES { { { {{ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM A ARE: TIME OF CONCENTRATION(MINUTES) 11.75 RAINFALL INTENSITY {INCH. /HOUR) r ?.63 TOTAL STREAM AREA {ACRES) = E'.10 TOTAL STREAM RUNOFF {CFS) AT CONFLUENCE 4.dfe CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER {CF-S) {MIN.) {INCH /HOUR) ----------------------------------------------------------------------- 1 110.15 E 1. 47 1.834 .a, 4.40 11.75 :.633 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 113.c ^1 64.66 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF {CFS) - 113. E1 TIME {MINUTES) _ . 470 TOTAL AREA(ACRES) = 75.00 ae ac ac at• ac ac ae ae at ac ae ac ar ac ac ac ac ar aN+e r• ae at• ac ae ac ac ac ac at• a ac ac ac ac at ac at ac ac ae ar ac ac ae ae ac ac ar +� ac ae• ae• ar ac ac ae ac ac ao- ac ac ac ar ac ac ae ae ac ac ae as• ac ae ac ar FLOW PROCESS FROM NODE 57.00 TO NODE 607.00 IS CODE +r 3 ----------------------------------------------------------------- }))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA { ({ {{ )))))USING COMPUTER - ESTIMATED PIPESIZE {NON- PRESSURE FLOW){ { { {{ sas rraasas rsrsmaras azszr r s crass smaraasaasasrrrrrarsa rasasarrsrsasassrssassa DEPTH OF FLOW IN 48.0 INCH PIPE IS 37.6 INCHES PIPEFLOW VELOCITY{FEET /SEC.) a 10.7 UPSTREAM NODE ELEVATION a 1.{'.00. 00 DOWNSTREAM NODE ELEVATION - 1198.00 FLOWLENGTH (FEET) _ X80.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER{ INCH) a 48.00 NUMBER. OF PIPES r 1 PIPEFLOW THRU SUBAREA {CFS) r 113.1 TRAVEL TIME {MIN.) - .44 TC (MIN.) a el . 91 t PROCESS FROM NODE 607.00 TO NODE 667.68 IS CODE ---------------------------------------------------------------------------- )))))DESIdNATE INDS PENDENT STREAM FOR CONFLUENCE < << << )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES( < < <( ssasssssssss saasssssssssssssssassaasssassssasssaasassssasssss :arssasssssssssar CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) _ el.91 RAINFALL INTENSITY (INCH./HOUR) = 2.$l TOTAL STREAM AREA (ACRES) = 75.00 TOTAL STREAM RUNOFF<CFS) AT CONFLUENCE 113.Bt CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER <CFS) (MIN.) (INCH /HOUR) 1 113. C-1 .°.' 1. 91 1. 81: RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(98C) USED FOR I STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 113. el COWnJTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF <CFS) a 113. RI TIME (MINUTES) _ iel. 906 TOTAL AREA(ACRES) = 75.00 sarsssaesssssss ssssssasssss -- ssssssssssaassssatss :ssassasss END OF RATIONAL METHOD ANALYSIS c C C� G Wag 9 PO"W44L 946 OVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY m 7 9/26/86 7�7 SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS 366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINE A * Q25 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 sas asssm: s -- -- aaass :sinsass :si ::sssmmssmssmmsss sass =sssmssmsssssassaaasssmsssa RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM RASED ON SAN BERNARDINO COUNTY 489C) 1983 HYDROLOGY MANUAL ssssassssasssrasassssssa�s ass :s mMAW" ssma ms mssmssasas sasssmssssssassssssaasmssmasr < << « <<{<<<<<<<<<<{<<<{{< > )) >))))) )) ) > > > > > > >)) > >> > > ))))) <C> Copyright 1980: Advanced Engineering Software CAES3 EspeCi a 3 2 yr prepared for; HALL & FOREMAN, INC. e�e�*er�r�e�srDESC:RI��TICtN OF REStI LTS«+ r +t++e+�+r�erreer�erxesur.ir+e+e kx+ ru +tirar�r«�ra+e+cr►+e+c+e+r+�+� e FOOTHILL DRAIN HYDROLOGY LINE A +t * Wes FROM NODE 10.1 TO NODE 607 � +� JOHN S I MS J. N. 3366 1&/5/86 5 s 1 i P. M. +t �t�tate•atk et•+►.•it�c•�te•+t atat at atw u•at ie• •k+t+t fit• ir+r r. •t IR er •t �t e+t ir+t er+t•+r+t w+t+t+e•et ie 1! ♦tit it�t it �rR+k K•�r�e•i! i! is ltit ae•w atie•w•Kiru•�e•�t•�t•+r ---------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) a :5.00 SPEt'`.•IFIED MINIMUM PIPE SIZES INCH) 18.00 SPECIFIED PERCENT OF GRADZENTS(DECIMAL) TO USE FOR FRICTION SLOPE a .95 10 —YEAR STORM 60— MINUTE INTE.NSITY<INCH /HOUR} e: .980 100 —YEAR STORM 60— MINUTE INTENSITY /HOUR) a 1.470 (wo., COMPUTED RAINFALL INTENSITY DATA: STORM EVENT — E5. 0co 1 —HOUR INTENSITY/ INCH /HOUR) — 1.15iE^0 SLOPE OF INTENSI DURATION CURVE — .6000 SBC HYDROLOGY MANUAL "C"—VALUES USED Advanced Engineering Software CAES3 SERI No. A0560A REV. 3.1 RELEASE DATE: 5/01/85 4 4 { { { ( 4 {44{ 444 4444{ 44< 4S4 4{ {44{4 44> y> > > } > > > >> > } > } > > > > } > > > } } >)> > > } >} Trite a+e� �t1t ic+r+r�r �t � •kit �t•kat �!•it its• a•+� ar�r+t•er i! at �t at a! it it�l• �!•k •k+t �t1t �titltit �e•it �t ita it i!•it tt+!•it+tn• it it �t�t 1t •k ar it itat it ia+ti!•u•+e• FLOW PROCESS FROM NODE 10.10 TO NODE 10.10 IS CODE e >>) > >RATIONAL METHOD INITIAL SUBAREA ANALY8I84<4<< ssa .::massavaaesssassssaas :asssxsr sassr.ssss:+aaassxsxxx messss . :saaaamsxssaassasaaassmasass.� ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY 4114 ACRE) TC — X*C 4LENGTH**3) / (E LEVATION CHANGE) 3+t *. e INITIAL SUBAREA FLOW — LENGTH — 9:=0. 00 UPS ELEVATION m IE69.90 DOWNSTREAM ELEVATION — 1850.se ELEVATION DIFFERENCE a 19.30 TC = . 393*C 4 9::0. 60**3) / < 19. 30) 3**. B : 13.035 15.00 YEAR RAINFALL INTENSITY<INCH /HOUR) — SOIL CLASSIFICATION IS "A" SINGLE— FAMILY /4 ACRE LOT) RUNOFF COEFFICIENT a .7400 SUBAREA RUNOFF<CFS) m 13.44 1! ik�l �t �F1►�l�t �! �!•'1!t!• M�F M-7! i! iF i! � N 1E• N•1! �! •!•1!�! �l�F 1!1! �!•�!• K•i! i!i! 1! R�l�! � 1! �P�! �! 1! 9t R t! M �! i! 1!'1! iF R iFR1!•�! �!• i! M• 1! R 1h�! i! �F 1! i! 1! R i! FLOW PROCESS FROM NODE 10.15 TO NODE 10,00 IS CODE 6 ---------------------------------------------------------------------------- )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA44444 C a =ass =asa=:..� :.. = == saw. : : - - - = asp::,. :a�aaa=.ffaaa = =a = =a : = = :aaa�a UPSTREAM ELEVATION a 1850.60 DOWNSTREAM ELEVATION a I STREET LENGTH(FEET) 14 600.00 CURB HEISTH4INCHES) +r 6. STREET t• tALFWIDTH4FEET) = e6.00 STREET CROSSFALL4DECIMAL) a .0e70 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW4CFS) 13.44 NOTEs STREETFLOW EXCEEDS TOP OF CURS. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NESLIBL£ FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .Me HALFSTREET FLOODWIDTH4FEET) = 15.09 AVERAGE FLOW VELOCITY 4 FEET f SEC.) a 4. zie PRODUCT OF DEPTHAVELOCITY = a. azli STREETFLOW TRAVELTIME(MIN) - s.37 TC4MIN) a 15.40 25.00 YEAR RAINFALL INTENSITY4INCHIHOUR) a :3.604 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY /4 ACRE LOT) RUNOFF COEFFICIENT a . 7:393 SUBAREA AREti(ACREB) = 0.00 SUBAREA RUNOFF4CFS) = 0.00 SUMMED AREA4ACRES) = 6.30 TOTAL RUNOFF4CFS) a 13.44 END OF SUBAREA STREETFLOW HYDRAULICSs DEPTH(FEET) a .5:3 HALFSTREET FLOODWIDTH4FEET) a 15.09 FLOW VELOCITY(FEETISEC.) a 4.2:= DEPTH*VELOCITY a 2.12 �r�r�sar�r�rir�r�rl►+ rx ir�rar � sr�er• c�ar�r rrxx�x��ritx�ri�ir�r ��r��rx�rir�e• xx• rir�rirarerir�riei »t�r�ra►ie••re►.•ir�xer�r�t�r. FLOW PROCESS FROM NODE 10.30 TO NODE 10. IS CODE a B ---------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK, FLOW44444 aaassaaas a assaaaaaraa ass aaraaaa asaasaaa area asaaraa a :asses erases aaaraaaaaaaaaaaasasarar 6`5.00 YEAR RAINFALL INTENSITY4INCHIHOUR) a :.605 SOIL CLASSIFICATION IS "A" SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT +* .7293 SUBAREA AREA 4ACRES) 5.40 SUBAREA RUNOFF4CFS) a 10. E6 TOTAL AREA (ACRES) a 11.70 TOTAL RUNOFF4CFS) a E3. 69 TC4MIN) a 15.40 itieie +t+akaeie �t�eerr* rear+ rat+e44.*4e *a * *401& K•K•irw•at**.** *K****.**'*a * **K*4"*4'**.* **'*'r FLOW PROCESS FROM NODE 10.00 TO NODE 10.040 IS CODE a 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE44444 asss: es=. sraaasresssssam�rsesa ssaaarssaaaaasa: assess.: setsraasaaasaaa sassaaaaassasssaaraasasa. s CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) a 15.40 RAINFALL INTENSITY 4INCH. /HOUR) a i. 60 TOTAL STREAM AREA (ACRES) = 11.70 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE ae=:3.69 �� �e•K �•�� re1► �«• �•+e••k �r ate �r�t K w• ie•� it w �• � •�+� �e•+e�r+r�•+�x•+car,rir+r+r+r rr � ac+ea•+ear+c � ie•�e•�taa•w �e�e•�r •kat � re•«•� reuar x�sae�r�r�r�e• FLOW PROCESS FROM NOME 10.20 TO NODE 10.00 I8 CODE a i ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSI944444 a: srasrasssa.mmaaasaassasaaaasarssaaaaasa saasaaassaaasysm�saassassaasassaaaaaarsaaaaaas ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (114 ACRE) TC = 9*C 4LENGTH -**3) 1 4ELEVATION CHANGE) 3**.: UPSTREAM ELEVATION 1x°'61. d#e DOWNSTREAM ELE VAT I ON a 12141. 30 ELEVATION DIFFERENCE _ ?0. f0 TC - . 393+ t 4 3 040. ft 0** 3 )14 ee. ley 3 i = 13.593 E5.00 YEAR RAINFALL ZNTENSI TY 4 ZNCHIHOUR) = 2.698 SOIL CLASSIFICATION! IS "A" SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT a .7380 SUBAREA RUNOFF4CF8> = I TOTAL AREA4ACRES) = 8.80 TOTAL RUNOFF4CFS) 18. L3 a�at��c�e+ r��r�a�• Kw• �R���r�r� +�ie•w�•+:K�Kw�e��e•�er. +tirx�+ ear+ r�s+ r���+ ��r+ �+ �w• ��rr��a�a�k�ra� +r�ar���r�rir�e�•�s�•�r�K� FLOW PROCESS FROM NODE 1 TO NODE 10.00 IS CODE = 1 ---------------------------------------------------------------------- - - - - -- )))))DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE >)))>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES( {444 aeaaasssssasaassaaasaasssssssassaasasmsasasaaaaasassmssaasassasssssssasssassr CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION4MZNUTES) _ 13.59 RAINFALL INTENSITY 4ZNCH.IHOUR) = 2.81 TOTAL STREAM AREA 4ACRES) = 8.80 TOTAL STREAM RUNOFF 4CFS) AT CONFLUENCE 18.:'3 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER 4CFS) 4MZN.) 4ZNCHI14OUR) -------------------------------- - - - - -- I 3. 69 15. 40 :=:. 605 E' 18.:'3 13.59 621. 808 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO /'► FORMULA 4 SBC) USED FOP ie STREAMS. +# VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 40. 61 39. 1 is COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF 4CFS) - 44b. 61 TIME 4MINUTES) - 15. 40.4 TOTAL AREA 4 ACRE 3) .r C-0.50 +r�•�ra►.•.r�e•Ka�•*•�r a�r►.•�e•r. �c•+e+e•.r •r +ic•,:.r+rar iear�r� ��+r+r «.r,r+ea�� � �r �arir K � «•,��r �•ar.e +r�c•+r�e x•♦r «� w•♦e it ar ar+rie.e �vr K ic•� at+rK �► FLOW PROCESS FROM NODE 10.00 TO NODE 15.00 IS CODE = 3 ) > > >)COMPUTE PZPEFLOW TRAVELTIME THRU SUBAREA{ { 444 )> ) > >USING COMPUTER- ESTIMATED PIPESIZE /NON- PRESSURE FLOWN 4 4 4 4 4 :assssss ssaera sssss sir a saassmssssas :sasmsamsmasarss issram sasssmasairsasasaraass sear DEPTH OF FLOW IN 3+0.0 INCH PIPE I9 7 INCHES PZPEFLOW VELOCZ TY 4FEETISEC.) - 10.& UPSTREAM NODE ELEVATION a 1:%41.3 6 DOWNSTREAM NODE ELEVATZON - 1:35.20 FLOWLENLRTH 4 FEET) - 500. 60 MANNI NGS N = .013 ESTIMATED PIPE DIAMETER4ZNCH) 30.00 NUMBER OF PIPES m 1 PZ PEFLOW THPU SUBAREA4CFS) _ +40.61 TRAVEL TIME (MZN.) _ .8a TC (MZN. ) z IS. 2'e �ctr+erc• aE�e +t+R•u� •k�t•ae•�e• �� sic ie r. it+t star it•� at e � � �r+�w•+e•ir ter. a+r �r �e•�e•� stir x•+r i►ir it rt+t+tita•�t� �t•1t�t it ��+t �e � �t�a��e �r Brie �it•+e• FLOW PROCESS FROM NODE :0.10 TO NODE 15.00 IS CODE r 8 11100�� _ ---------------------------------------------------------- - - - - -- ) >))) ADDITION! OF SUBAREA TO MAINLINE PEA•( FLOW 4 4 4 4 4 s srrazsarrvrsrsrrra sxssmrrrssassaamrrarsasassararae+. rsasarmm 'ssssassrsrssarssssrs.srrrsaa a 215.00 YEAR RAINFALL ZNTENSZTY4INCH1HOLtR) _ 2.5:5 SOIL CLASSIFICATION IS "A" SZNGLE- FAMZLY 411+► ACRE LOT) RUNOFF COEFFICIENT - . 7c?55 SUBAREA AREA 4ACRES) 5. 60 SUBAREA RUNOFF (CFS) a 10.:'6 TOTAL AREA (ACRES) _ .�-6. 10 TOTAL RUNOFF 4CFS) = 50.87 a+r *** rye*.***x•,r*,r*♦e * ***aea*.s•*a•*** ray+ *+r.e•+catu•ata* **4t- K*ir*****4e•r. * *arir*a,e***gtr. * FLOW PROCESS FROM NODE E0t. 0 TO NODE 15.00 I S CODE s & ---------------------------------------------------------------------------- > >> > >ADDZTION OF SUBAREA TO MAINLINE PEAK FLOW44 {44 aaraoaesar :asssaas =aassssar saes. saes ss:= rassaaaaasassaarsssaaasa +saaraasssasaaaaraeae e5.4 tit YEAR RAINFALL INTENSITY 4 ZNCH /HOUR) a ,9. 5E5 SOIL CLASSIFICATION IS "A" SZNGLE-FAMZLY42/4 ACRE LOT) RUNOFF COEFFICIENT - .7. SUBAREA AREA (ACRES) _ .4•. 80 SUBAREA} RUNOFF 4CFS) = 8.79 TOTAL AREA ( ACRES) 3et. 90 TOTAL RUNOFF 4CFS) a 59.66 TC (MIN> _ 26.,2 �rie•atx�at�t�t rrar �e�r �t�r �+r+a+r ��e•�t � ae �t+e•+e at �e+e•�t�e•ae+c �• �•u�w•�c+e•w �u•+e•+e•�e•�•�r+t•K+r art � «•tray it �at�r+e•u it a•+e •e•�eit �e•ar �r�e•+t+e•♦r FLOW PROCESS FROM NODE 25.8et TO NODE LB. @t@t IS CODE r 3 > >>))COMPUTE PIPEFLOW TRAVELTIME THRU SUSAREA4 )>) >)USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)(4((< ssnrasssrsssrasrasrrararassaaisrrrasasssssaasarssaaasraaassrsassaassrraasssssasr DEPTH OF FLOW IN 36.0 INCH PIPE IS hr_ &. S INCHES PZPEFLOW VELOCITY(FEET /SEC.) - 9.8 UPSTREAM NODE ELEVATI = 12 DOWNSTREAM NUDE ELEVATION = 2E32.50 FLOWLENGTN (FEET) - - 4.�.40k. 00 MANNZNGS N . 01 3 ESTIMATED PIPE DIAMETER4INCH) 36.00 NUMBER OF PIPES = 2 PIPEFLOW THRU SUFAREA(CFS) = 59.66 TRAVEL TZME4MIN.) - .71 TC4MZN. ) _ 16.93 ae ae•aratarar.• arar ie ar ara► a.ar u•ar ae•ar ar � ar ar arar ar ae•ar ar �• arararr. ae ar arat arar ar x ar tr arararae ae ar ararr. ararartr ar arar ar araear arartr ar attr arar star arar ar FLOW PROCESS FROM NODE C-0. 3ra TO NODE .? &. SO IS CODE = 8 ----------------------------------------------------------------------------- >)) >>ADDZ OF SUBAREA TO MAINLINE PEAK FLOW 4 4444 saeawea as a yeas sssasssasara = ssa.+ m/ araasrarr. az assrssasrarass saaasassaraasssarasrssaasrsss :'5. @tilt YEAR RAINFALL INTENSITY(IbtCH /!SOUP) - E SOIL CLASSIFICATION IS "A" SINGLE FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT a .7ekl- SUBAREA AREA (ACRES) 3.70 SUBAREA RUNOFF (CFS) a 6.58 TOTAL AREA ( ACRES) r 3-4. TOTAL RUNOFF 4CFS) R 66.a4 TC(MIN) = 26.93 te•ara� *.* arar alar v It rt **ar star at•ar at a t'. k star 7• ar akit ar �ar ar ar ar tF ar aFar artrar FLOW PROCESS FROM NODE a0.40 TO NODE Eft, oet IS CODE R 6 ---------------------------------------------------------------------------- )) > >)ADDZ OF SUBAREA TO MAINLINE PEAK FLOW4444+. rrrssr:araraaaaaras. :.ss raassssse :sass y assarsaysrsasaassms +sassaaass :av: srsasassriasasa w5.4210 YEAR RAINFALL ZNTENSZTY4ZNCR /HOUR) - .462 SOIL CLASSIFICATION IS "A" SIN FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT - .7aEe SUBAREA AREA! (ACRES) 5. Pct SUBAREA RUNOFF 4CFS) - 9.: }+ TOTAL AREA4ACRES) 39. 8et TOTAL RUNOFP(CFS) r 75.46 TC(MIN) = 26.93 aratae arar aratarararar ar ae •Kat arar at ac arat ar ar arar ae•tr at ar ar � ararar trarac ae ar+r arar arae•ar aeararar arar attr ar ar ar ar ar araaar ae ar is � ar ar ar arar ar �� at+t FLOW PROCESS FROM NODE Etch. 00 TO NODE 30.00 IS CODE R 3 -------------------------------------------------------- •-------------- - - - - -- )))))COMPUTE PZPEFLOW TRAVELTZME THRU SUBAREA44444 > >) > >USI COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)(44(( rsssaasaassrrsrsssa rrasr:sarasrassssmraar:arsar eases erara sassraass asasssss ss saamra.+raa: r. DEPTH OF FLOW IN 39.0 INCH PIPE IS 32.6 INCHES PIPEFLOW VELOCZTY4FEET /SEC.) - 10.5 DOWNSTREAM NODE ELevnizoN 2eel. blot FLOWLENGTH <FEET) = 1100.80 MANNZ NGS N .013 ESTIMATED PIPE DZAMETER (INCH) += 39.00 NUMBER OF PIPES = ! PIPEFLOW THRU SUBAREA(CFS) : 75.48 TRAVEL TIME (MIN. ) = 3.75 TC (MZN.) 18.68 «•«•«• aratatataratataeaearar��rit�rat •ae«•+r�r�t«•�t«•a�«•ae• mar«•«• ar+ �ae�a► ��t�«•«•+ e«•+ e«•«•«•«• rx+ e+ t+ r+ �«• ��eatte•k+�«•��it«•«•«•«•ir« -«• FLOW PROCESS FROM NODE 30.00 TO MODE 50.00 IS CODE m 3 ---------------------------------------------------------------------- - - - - -- >)))) COMPUTE P I PEFLOW TRAVEL T Z ME THOU SUBAREA < < < < < )))))USINS COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW, << < << sssssssssssssasassassaassasasssasasaas: ssssssssaasassssasssassa :ssasssssssss DEPTH OF FLOW IN 36.0 INCH PIPE IS E8.5 INCHES PIPEFLOW VELOCZTY<FEET /SEC.) = 1,.6 UPSTREAM MODE ELEVATION = lieb211.60 DOWNSTREAM NODE ELEVATION = 1:10.10 FLOWLENGTH(FEET) - 800.00 MANNINOS N = .0 13 ESTIMATED PIPE DIAMETER<ZNCH) A 36.10 NUMBER OF PIPES = 2 PI PEFLOW THRU SUSAREA <CFS) = 75.4a TRAVEL TZME(MIN.) _ #.06 TC<MIN. ) _ 19.74 aratatat star atat+e «• ae arse ar arat arse at ae ar «•aratat at «•atac at arararataratararat aratararae «•«• atararae at ar+t ar «•+r «• arse «•ac+r rr+rat arar+s+r ar+tar ar+r+t+r FLOW PROCESS FROM NODE 50.00 TO NODE 50.10 IS CODE a 3 )))))DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < << s:+ws ss earns: assaaasasss�asassssssss:: a: asasssaaasassssasas :sssa+ramnsassasassssarssssm CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION<MINUTES) a 19.7.4 RAINFALL INTENSITY < INCH. !HOUR) - c. adf TOTAL STREAM AREA <ACRES) = 39. so ® TOTAL S TREAM RUNOFF(CFS) AT CONFLUENCE 75.48 arse« ararat at«• ar r«•«• arie«• icataeae► arar«• aratae«• arrrarie atacarat «•ar «•ar rarer«• ae ararararatataalataeat«•alatae FLOW PROCESS FROM NODE 50. TO NODE 50. 00 I S C ODE 7 )))))USER SPECIFIED HYDROLOGY INFORMATION AT NODE( < < << :srsaaassmassssasmasaasrarra ssaarsasrramsasssssse s: rasessaasrsssmaammas : :ssaraaaaaaasamasa USER- SPECZFZED VALUES ARE AS FOLLOWS: TC<MIN) 19.94 RAIN INTENSITY(INCH.:HOUR) - E- e3 TOTAL AREA (ACRES) •w 19. 00 TOTAL RUNOFF <CFS) a 33.07 - at atarae aeae err * a (6 ae ar ae ar acar.rat r ar arar « aNar «ar err ar ar arar ac r ae ar atr ar aria ar ar acac at atat r atae ae «•arar ar ae « x ar acar a! at « « araeae ae ar ar atr r FLOW PROCESS FROM NODE 50.00 0 TO NODE 50.00 IS CODE 3 -----------------------------------------------.----------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < <<< )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<<<< sssta sas.eaassaa seams ssraraasssaammsrsaaasaas arearsaaass.massmsaa ssssssrs sasssaasss.s CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE: TIME OF CONCENTRATZON(MINUTES) _ 19.9 -lf RAINFALL INTENSITY <INCH./HOUR) a a.e3 TOTAL STREAM AREA (ACRES) " 19.00 TOTAL STREAM RUNOFF<CFS) AT CONFLUENCE 33.07 CONFLUENCE INFORMATION: STh"EAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 3 75.48 19.74 :_. &45 8 33.07 29.94 .'3. ie3l RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO VARIOUS CONFLUENCED RU?goFF VRL=!S 04th 044 t ULLUhs-:$ t I ". ie 108.10 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) - 1OEs. &_ E TIME (MINUTES) 19.740 TOTAL AREA(ACRES) a 58.490 it• K�+ as��t •+t�e•at�r�e�r�r+rat•+tirKr. �+ r+ t+ tu• K�r��t• ae�ear�r •u•♦t•u•ar�rara�ie•�+��r�e�+ eye+ ait• �rieir�a r+ ��r• K+ air�aw •ir�rar�ir�e�r�raeae�t�t+e+�ie FLOW PROCESS FROM NODE 58.10 TO NODE 50. 88 IS COME r 8 ---------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW04444 sss=ssssssaa=ssssasarss :a �as'=.ssassss :a :aria -- - assaasssaasaaasas =sasssaassssssa :5.40 YEAR RAINFALL INTENSITY4INCH /HOUR) r x.245 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFF ICIENT .8:?:?et SUBAREA AREA 4 ACRES) = 1.440 SUBAREA RUNOFF 4 CFS) _ °58 TOTAL AREAS ACRES) r 60. Zo TOTAL RUNOFF 4 CFS) a 110.81 TC4MIN) = 29.74 �ie•�eKarr. w•�taeat• art •Kar�saea�acie•n•it+e�••kae•+ rye•a�•ur.•�eK�r+ru+e+ a •��rw•ar�er.•arir•Kn•ae+rw�a�w• yen• ar+ t• �+ t�e�rxaa�arir�t •ir�at�it•�e•+tie• FLOW PROCESS FROM NODE 58. R TO NODE 50.00 IS CODE r 8 ---------------------------------------------------------------------- - - - - -- )))))ADDITION OF SUBAREA TO MAINLINE FE'AK FLOW44444 05." YEAR RAINFALL INTENSITY4INCH /HOUR) SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT SUBAREA AREA /ACRES) _ :. set SUBAREA RUNOFF ( CF S) - 5.17 TOTAL AREA4ACRES) r 63.00 TOTAL RUNOFF - 115.97 TC (MZN) = 19.74 �• K�rieKx�aear�u• +►.�rie•�rw•k+r+rirr.♦r+e•x•�• Kee• ic• a�• ��c•+ rarie• ie• ae• x�ir�r�e• ie•+► rie• ar�r «•irir♦rk+e•it•K•ir+rye•ar+e+ rat •tt•�e••K�a�r�•rr�r+rir•�r•Kir FLOW PROCESS FROM NODE 58.00 TO NODE 55.88 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA44444 )))))USING COMPUTER - EST IMATED PIPESIZ'E (NON- PRESSURE FLOW)444 <4 ssassssssaaasaesaraaa orssar :sa aamssaass a :ssaaa ssrssa sssasrsassrssrs ssasrs srassa DEPTH OF FLOW IN 51.0 INCH PIPE IS 40.6 INCHES PIPEFLOW VELOCITY4FEET /SEC.) - 9.6 UPSTREAM NODE ELEVATION = 1ielO.10 DOWNSTREAM NODE ELEVATION - I Q+6.8G FLOWLENGTH 4 F= EET) - 400.040 MANN I NGS N . 01 3 ESTIMATED PIPE DIAMETER4INc:H) A 51.00 NUMBER OF PIPES 1 PIPEFLOW THPU SUBAREA<CFS) 115.97 TRAVEL TIME (MIN. ) _ .70 TC SMlN. ) _ ::O. 44 �!�! aF •Y.•aF�! ** ih** •b **, 4Fi!• •! i! it is il•1! i!i4 ie• oh iF iP * * * * ** * * *** *. * * kl*** *14 FLOW PROCESS FROM NODE 55.10 TO MODE 55.00 IS CODE - e )) ?))ADDITION OF SURAREn TO MAZNL ZNE PEAK FLOW 4 4 d 4 d ssr =sasa..sassaia+saaessarsaa= smaesaaarsa• s.z saeaerr ..asr_s+sssss.�ra•ss »_- sysaaava » »saaassasar_ . YEAR RAINFALL INTENSITY4INCH /HOUR) c .198 SOIL CLASSIFICATION IS "A" SINGLE - FAMILY (1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7069 SUBAREA AREA (ACRES) 4. 141 SUBAREAy RUNOFF• 4 CFS) = 6.37 TOTAL AREA(ACRES) 6 7. 10 TOTAL RUNOFF4CFa) » 1: _.3 TC (MIN) a. 20. it�t �F i! i!•f5 it1!• iF �! 1! ih i! r• i! ih iF �• iF �!• il•it �! �► it•i! 4! iF N•i! i!• i!• i! 1! iF iF i! i! K•1!• 1F it it N• i! �! i! ih 1C M• 1► R •M ik iF •I[• it iF ik 1F i! iF ik i!• i!• i! Y.• it iF ik M.• i! it iC iF in FLOW PROCESS FROM NOME 55.2`8 TO NODE 55.00 IS C ODE = 8 avaaears�raamaamaasa as aascasessa a�a: aaraaramrsazss+ .ssssseaaaarassaasasssaaassaass sr_srs.� e5.9#4b YEAR RAINFALL ZNTENSITY(ZNCHIHOUR) - E.19$ SOIL CLASSIFICATION IS "A" SZNGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7569 SUBAREA AREA %ACRES) Ar 1.30 SUBAREA RUNOFF (CFS) a E . ele TOTAL AREA (ACRES} 6B. 4(t TOTAL RUNOFF {CFS) leis. 36 TC {MIN) - C-0.44 �eaear+ e•+ t• �r+ �aawie• uar�ar+ tu• ae�rit «•w•�r+e«•«•«•«•araeRaw�tr. «•+ ritir�r• a«•«• ir«•K«•«•• a•«• ir�r«• «••irtr«• «•�r�r+r•it+t«•«•�.+r� ear «•+r+r�«•ar «• «• F PROCESS FROM NODE 55.30 TO NODE 55.00 IS CODE m 8 )))))ADDZTION OF SUBAREA TO MAINLINE PEAK FLOW { < << sae: aeasaaasaasmeasarsraaaesas asssaeaesaas :aaa.•asssWAWJW=sasaaaaxasmm = sa :sss.= smaamsaaasasa YEAR RAINFALL ZNTENSZ TY ( INCH /HDUR) = C--.198 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT ar .Be t4 SUBAREA AREA (ACRES) _ . 30 SU&AREA RuNrjFF (CFS) _= . 54 TOTAL AREA {ACRES} = 68.7 TOTAL RUNOFF(CFS) TC 4MIN) - etch.44 atatatatat********aratat**** *at at. kl** ataaatr.* W. 6******* at** atat** at «•«•r.****«•«• *«•***«•it«•ir FLOW PROCESS FROM NODE 55.00 TO NODE 56.00 IS CODE = 3 ))))> COMPUTE PIPEFLOW TRAVELTZME THR! t SUBAREA < < { < < Y)))) USING COMPUTER- - ESTIMATED PIPESI I'E_ (NON - PRESSURE FLC3WY % % (( { arsarararmsara= or" arm ms msarm• arara rwRar: sar= marm" marcrs mss sramrrsrr+•.s ma :a:ararax•.a_rsrararss•.r.saar DEPTH OF FLOW I N r4$, 0 I NCH PI PE I S 35. 3 I NC:HES PZPEFLOW VELOC:ZTY(FEET/SEC.) - 12 UPSTREAM NODE ELE VAT ION = l :OS. 80 DOWNSTREAM NODE ELEVATION = lE05.00 F LOWLENSTH %FEET) - 3042*. C40 MANN I NL S N s .013 �y✓ ESTIMATED PIPE DIAMETER(ZNCH) a 449.042t NUMBER OF PIPE'S = t PZPE.FLOW THRU SU9ARE.A %CF9) 1;::•4.91 TRAVEL TIME (MZN.) - .40 TC {MIN.) - E0,83 atat atarat «•at•ataratata►ara!afr. atat«• arwaeat«• at«• atatatarat«•+ t«•«• atatarar«•«• atatat+ t« •«•«• «•aratatat«•ae••it+t«•at«• star ««•akat«•«•at•�tatatat�tatae FLOW PROCESS FROM NODE 56.00 TO NODE 56. 00 IS CODE = 1 )))))DESZQNATE ZNDEPFNDENT STREAM FOR CONFLUENCEI {{ {{ aasaesaQ:srsraeasaasaa =srsasssr emcee. sass .ra =.mxasas.- .ms »rsrms..rs= s.s. -sss = := ..ssmsv.csar- �.srr =_rr: sass.x.= CONFLUENCE VALUES USED FOR INDEPENDENT S. TRErWf 1 APE: TIME OF CONC:ENTPAT ION <MINUTES) - RAINFALL INTENSITY (INCH. /HOUR} _ .'?. 17 TOTAL STREAM AREA (ACRES) : 6$.74Zz TOTAL STREAM RUNOFF(C.:FS) AT CONFLUENCE m le- ataeat«• atata► atatararatataratat «•ataratat «•at «•�tatitatatr. at «• star itrtat«• ar at• �t• x•+ t+ t+ e•«•a t«• atat« ar+r« at+ t• �tac• araratat «• «• «• ««•at «•atatar•�t•xa:•�! FLOW PROCESS FROM NODE 56.1 TO NODE 56.10 IS CODE ))))) RATZONAL METHOD ZNZTZAL SUBAREA armraeraaarsarsaasaaaa_ s raeasas=. asaaaa rssmsrsaars.+msssssrarssss_r =r= ss.-= . -4sa= s��s.+aar...rrs:.raaua�:•sr.._ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE} ® TC K> [ (LEN6TH**3)1 (ELEVATION CHANSE) l**.:: INITIAL SUBAREA FLOW -- LEN(3TH = 600.00 UPSTREAM ELEbsATZON = 1 l3. 00 DOWNSTREAM ELEVATION ,r 18 ELEVATION DIFFERENCE = 7. 00 TC: x . 393ar r % 64:tZ=. 1Zt12tatat3} r` % 7. i 0e I at «..;: = 1&. 35.4 e5.00 YEAR RAINFALL ZNTENSZTY (INC:•HfHOUR) = a.973 SOIL CLASSIFICATION IS "A" SUENgREA RUNOFF S Cb-'3) - •s. ti t TOTAL AREA(ACRES) s S. Z TOTAL RUNOFF (CFS) alatalatwarataralat star star ae arre arat �r+ tar irie•�ru•K u•*•�e• � �►�r�e+c•+e•�• �rie•�e•+r x• •n•x•�r �r w•�r �t a �r ir+tw•+e• ie• �r•k �r�s•ae•it it+� ie•� rr+r �e•ir at•ar ie• •�e• r. �e• FLOW PROCESS FROM NODE 56. 10 TO NODE 56.Z- IS CODE » 3 > >) > >COMPUTE PZPEFLOW TRAVELTZME THRU SUBAREA(((( ) >)) ) COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE_ FLOW (( ( ( saw• ssssassasssaasasssasassmsreassrssaaarmm• s: urarrarssraes •aearsreasara:rarssr. arsnr:rsasarm•asassrsrsrrrs ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 1f3.000 DEPTH OF FLOW IN # 8. 0 INCH F'IF'E IS 8.7 INCHES PIPEFLOW VELOCI - 5.7 UPSTREAM NODE ELEVATION - #:?06.010 DOWNSTREAM NODE ELEVATION s* 12 50 FLOWLENQTH(FEET) - 50. MANNINGS N .013 ESTIMATED PIPE DIAMETER( INCH) 18. NUMBER OF PIPES •_ # PZPEFLOW THRU faURAREA (CFS) 4. 67 TRAVEL TIME /MIN.) a .15 TC(MIN.) _ 1Z".50 aralaratalar stir arar rta!•ar arar rr rearararat �• ar ar rr ar ar ar ar x re � ar ar r. r ar ar ar t. ar a► x a< x a►x it arrr rrrr stir arrt ar ►�►• ir. re ar ar �• x arse arar ar ar it rrarar ar FLOW PROCESS FROM NODE 56. e t TO NODE 56.. =:0 IS COVE: _ & ---------------------------------------------------------------------------- )))) > ADDI TION OF SUEPAREA TO MAI NLINE PEA 1 FLOW :: ({ ( ssssssrsaWW.W e=WM"=XWaesa= »as = s= » »asi•asarne » » == »__sass =. = =s:a= srs. =sa:s.:ss.tw »sr 25.e20 YEAR RAINFALL INTENSITY(I /HOUP) - Z.95:3 SOIL CLASSIFICATION IS "A" SINGLE - FAMILY ( #./4 ACRE LOT) RUNOFF COEFFICIENT - .743.5 SUBAREA AREA (ACRES) » 1.40 SUBARE RUNOFF (CFS) a 3. TOTAL AREA• ?(ACRES) 3.60 TOTAL RUNOFF(CE=S) s 7.9.4 TC(MIN) _ #{::.50 slat a! a[•alar•atae atal at �!1! ar rra!• ar * rt * rr * ** le ararit rr itre ar K• it re rt ar *• re rt ar ar re * ar * ar * * * * * re * rr re rr rr a!• * V. * re re rr rt * ar * ar r!•re rr ie rr FLOW PROCESS FROM NODE 5b. E0 TO NODE 56. t 42+ IS CODE = 3 ) > > >) COMPUTE PZPEFLOW TRAVELTZME THRU SURnREA r, ? (( d )) )) >USING COMPUTER•-ESTIMATED ZE (NON - PRESSURE FLOW) ( (( ( ( sassssraararsrsaasss s.=¢asrs »as =__ sass =a3arssxrsrsm•amasears_rs r. = ===="m =ear = == =r »srmasa »a =rr DEPTH OF FLOW IN !1 I NCt -f PI I 1 5. 4 INCHES PZPEFLOW VELOCZ /SEC.) - 4..": UPSTREAM NODE ELEVAT - #::tQA .50 DOWNSTREAM NODE ELEVATION - # c:O5. e2 O FLOWLENOTH ( FEET) a 150.00 MANN I NGS N = . 01 3 ESTIMATED WIPE DIAMETER(ZNCH) _ E1.00 NUMBER OF PIPES = # PZPEFLOW THRLI SU&AREA(CFS) = 7.94 TRAVEL T Z ME (MIN.) - .60 TC (MIN.) _ 13.10 aratarar+tararar ar ar•rtrtarrr• ar ar.• arar• rt ar.• re•a!•rr ar rt re re r. rt ar rt r. rt rr rtr. re re ar rt rr rr rtrr rr �• *• it rr re• rent rerert r.• �. r. •�rr• � rt �• ar rr.• rer. rrre re a!• rt rt rr �!• � FLOW PROCESS FROM NODE 56. TO NODE 56.00 IS CODE •= 8 > > >) > ADDI TION OF SUBAREA TO MAINLINE PEAS( sa rs ssamsasrssassssrs.=sar:_s. =sra� as•es: =ssaea= .a..=r. «s = es=rmssrasaxasssa= r:.. =. _•.ss.�.- .= .sxscssansr..�.r. :?5. 0e0 YEAR RAINFALL SOIL CLASSIFICATION 15 SZNGLE- FAMZLY (# • /4 ACRE St tSAWA AREA ( ACRES) •_ TO AREA (ACRES) TC (MZN) _ 1 3. l is I NTENS Z TY (Z NCH./HOUF:) = a-871 11 A• 11 LOT) RUNOFF COEFF Z C I ENT » .7405 . 5o SUVAR6A PUNOFf (CFS) - # . 06 4. 3 0 TOTAL RUNOFF (CF S) = 9.440 ataear aealar atatrtre at a arar __tar rrrr � rr rrrr rear rt+s rrrt arre rr ar rear rrre•re arrt �•,t rr ar ar re• at ar rtre __ere rtre at �• rt rr rere•rt it __ere rt rt rr arre re re rr re rr re �•�K ))))) 3!E S 2 bNF4 t t 2 NUt t-it NU N t 8 t NttF3t�? t• UtK t_4RW L.Wt 04.1 . < < < < c )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES < 4 4 4 4 1 - ararararaaa srrxaraasar asaaae•asras srsssraarrasarsrsss 1 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM ARE: TIME OF CONCENTRATZON4MINUTES) = 13.10 RAINFALL INTENSITY 4INCH. /HOUR) a e.67 Es7 TOTAL STREAM AREA <ACRES) aw 4.10 TOTAL STREAM RUNOFF 4C:FS) AT CONFLUENCE = 9.00 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMEeER <CFS} :MIN.) :INCH/HOUR) 1 124. 92 20.83 2.273 9.00 13.10 E. 87 2 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA ( 9EeC) USED FOR STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 232.72 87.53 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF <CFS} = 232.72 TIME {MINUTES) _ 20.833 TOTAL AREA {ACRES) = 72.80 «•.►+ rn• ar*+e vrir.► ao-**** **,s.en•ar***•,e****A •**u *** r• ie•«•+ a«•, e• re•. r• ie, r*****. ru•, a• r.•+ r+ t«• *** *,a.r.rn«•+e•it.ru«•re** FLOW PROCESS FROM NODE 56.00 TO NODE 5 ?. 00 ZS COLE - 3 ))) }) COMPUTE PI PEFLOW TRAVELTIME THRU SU&, REtt r, < r, r, < )))))USING COMPUTER- ESTIMATED PI ESI iE :NON-PRESSURE FLOW) : , : f t aarssaasasrsr rrnn.r rn flora rrr aramessssaaaasrsysaaaras:.rrrs. nr »rrarsca =:s r. .- s_a »»sasarsmxcr DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.5 INCHES PZPEFLOW VELOCZ TY (FEET!SEC.) = 13.6 UPSTREAM NODE ELEVATION #205.00 DOWNSTREAM NODE ELEVATION a 2202.00 FLOWLEN8TH4FEk.T) = 340.00 MANNIINs3Et N = .013 ESTIMATED PIPE DIAMETER<?NC!,.) _ 48.00 NUMBER OF PIPES = 3 PIPEFLOW - tHRt! SUBAREA4CF i) .- TRAVEL TIME :MIN.) - . 4% TC4MIN.) _ 21.25 i 5 FLOW PROCESS FROM NODE 57.00 TO NODE 57.00 1S CODE = 1 ))))> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE::::: s «saaaaraarsa = » =� s« ars= sa:. s.+r «.ressrsaa:.asr.=•.sr.rsrr. r.- .s»•sarsa z:xss := •.a- ._.._.._._.._ _•.r..s.- _ =.m. _.- .vsssr = _.- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENT RAT I ON 4 M I NUT E S) = al.es RAINFALL INTENSITY 4INCH. /HOUR) _ 2.25 TOTAL STREAM AREA :ACRES) = 72.80 TOTAL STREAM Rt_tNOFF 4 CFS) AT CONFLUENCE = 131.7Z:: *•r. r. * ***e***r. ****** **• **• *r. * *• ***•* * * * * *• * * **•r. * * ** * * * * * *** **• * * * ** •r. * *• **• **• **** ** * ** FLOW PROCESS FROM NODE 57.10 TO NODE 57.10 IS CODE >>>>> RATIONAL METHOD INITIAL SUBAREA ANALYSIS“.:: a:== == =.= ars3 «.arse= «ssarasa.:=.7=r=aaaaa=.rarss a .sass.- .•ss.- =.axs.s. - -r.._ .ssc.r..r.- ■ra_ .s.W+ .:az.rr. -.v ASSUMED INITIAL SUE+'AREt s UNIFORM DEVELOPMENT IS: SINGLE FAMILY <1/4 ACRE TC. - ti *t`4LENOTH * *3), 4ELEVA TION CHAN&E)? * *.c: INITIAL SUBAREA FLOW - - LENGTH = 400.00 UPSTREAM ELEVATION = 2 04.50 DOWNSTREAM ELEVATION ._ 2202.00 ELEVATION DIFFERENCE a 3.50 S " YEAR RF) I NFALL I NT'ENS I C Y l 2 fqL; t/ ttuUft) = s. 1 aea SOIL CLASSIFICATION 19 "A" SINGLE- FAMILY# /h ACRE LOT) RUNOFF COEFFICIENT .7507 SUBAREA RUNOFF (CFS) S..^_s TOTAL AREA <ACRES) R E. as TOTAL RUNOFF SCFS) a 5. E3 ® atae��e •�e�e•�r�e•+e•uaac•ie�r+ca�•�r+ ease*• u• ie• �r�• ie• �eae•+ aw• ie•+ r+ rx• �carie•+ earar+ t+ �+ r+► ir+ s+ a +t�e•�t•a�ra•e+e•ir+c•+r•kari.+ tie+ r•ir+e•ir+e•ir+e••n•x•�•arie•�• FLOW PROCESS FROM NODE 57.10 TO NODE 57.00 IS CODE � 3 ))))) COMPUTE PIPEFLOW TRAVEL T I ME THRU SUSAREA { < ; < < )))) )USING COMPUTER- ESTIMATED PIPESI ZE <NON- PRESSURE FL OW) < < < < < sssss assssssssasssr. ss sssssssss sss asassaras aas vas :sss.:aas saa sr ssaa =.rases :asasssr DEPTH OF FLOW IN # a. 0 INCH PIPE IS 10. INCHES PIPEFLOW VELOCITY<FEET /SEC.) - fi.8 UPSTREAM NODE ELEVATION - 1&01.00 DOWNSTREAM NODE ELEVATION 1%2*00.00 FLOWLENGTH 4 FEET) - 170. eel MANN I NSS N .4013 ESTIMATED PIPE t"7IAMETER4INCH) _ 18.00 NUMBER OF PIPES � # PIPEFLOW THRU SUSAREA<CFS) 5. ie3 TRAVEL TIME <MIN.) _ .60 TC (MIN.) = 11.7& ataeaeataratatat arr. atat neat ataratar star arat atat star atat atat at atat at at tat arar x at at+t atat atat ae at+t at ac a�•ar+t at arat arar it ar.• at ie ae•arat atarat atat atat ar at FLOW PROCESS FROM NODE 57.00 TO NODE 57.00 I CODE _ # .)))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE44< << ))))) ANC* COMPUTE VARIOUS CONFLUENCED STREAM Ve =rLUES { < < { < ssssssasassss:ar aaaaassssrrrasssa rar sa :s a= s a arse as era srsr.vss saa e•aaa.sr =rrra ra era air er aan•.ra r CONFLUENCE VALUES USED FOR INDEPENDENT STREAM c=: ARE: TIME OF CONCENTRATION<MINUTES) s 11.7E RAINFALL INTENSITY <INCH. /HOUR) 3.07 TOTAL STREAM AREA <ACRES) _ i . ek TOTAL STREAM Rt1N6FP• <CFS) AT CONFL=UENCE _ °i. ea CONFL=UENCE I NFORMATION; STREAM RUNOFF TIME INTE NUMBER (CFS) <MIN.) < I NCH/ HOUR ) 1 131. 7E e l. E5 E. 14 & E S. 073 11. 7a 3.069 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMtULA<S&C) USED FOR _c* STREAMS. VARI O=US CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 13 3$ 77.69 COMP=UTED CONFLUENCE E S TIMATES ARE AS FOLLOWS: RRUNOFF <C`•FS) _ 135. TIME <MINtUTES) El. &50 TOTAL AREA <ACRES) a 75.00 aeatara:•arat+ rat near ar a►atatarat at ar at at atat at ae x ar ae•at at at atat star atat at at at at ae at x at at at at it at ar ar ara►atar at ae ae•at at at at at at at at star star ae atat at a�••�t FLOW PROCESS FROM NODE 57. 044 TO NO 607. IS CODE 3 >)>>) COMPUTE PIPEFLOW TRAVELT IME THRU SUPPREA < < < < < ) ) ) ) )=USING COMPUTER - ESTIMATED PIPESIZE <NON- PRESrSURE FLEW) < < < ssrss: saaassassssssaaraersaassaaasrrrasrssaraxasas +rssaazss= .r�srra.- a =ar.= arr3.asamssssessssrr� DEPTH OF FLOW IN c-51.0 I NCH PIPE IS 40.6 INCHES PIPEFLOW VELOCITY<FEET /SEC.) a 1#.c° UPSTREAM NODE ELEVAT - 1:-00.00 DOWNSTREAM NODE ELEVATION = 1 # 98. etO FLOWLE_NSTt•< - E:ae.00 MANNINGS ESTIMATED PIPE DZAMETER<INCH) a 51.00 PIPEFLOW THRU SUBAREA(CPS) *r 135.36 TRAVEL TIME (MIN. ) a . rk.: TC <MIN. ) N .013 NUMBER OF PIPES = s E #. 1 *4t ***aa*************** **4t ***ire *****•a•K•***** *******. • *******�tar�►ie+e+e+r FLOW PROCESS FROM NODE 607. 00 TO NODE 607.0+cl IS CODE s 3 }))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < << ) }))) AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES 4 < 4 { 4 ssasssssssssssaassss :assssss s :sassass•ssssasaeJSSSassssJess ss :ssassssss s sassesass+s• ® CONFLUENCE VALUES USED FOR INDEPENDENT STREAM f ARE: TIME OF CONCENTRATION4MINUTES) a i 1.67 RAINFALL INTENSITY (INCH. /HOUR) ie. 2E TOTAL STREAM AREA 4ACRES) a 75.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE s 335.38 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) 4MIN.) 4INCH /HOUR) t 235.38 el. 67 a. 1Z3 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA<SRC) USED FOR 3 STREAMS. VARIOUS COWLUENCFD RUNOFF VALUES ARE AS FOLLOWS: 135.349 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF 4CF8) a 135.3's TIME 4MINUTES) w # . 667 TOTAL AREA 4ACRES) — 75.00 Jlaa.WJN=TaJWMXrJ UWAr Tsa.'C -W=r aCSaie. mraemaaad lass'a.a3•AC.sseArasaaS7� .'�mam.misa�'asSS 1s.ss.�.a.�siT«sasLS.ss @aASS arss END OF RATIONAL METHOD ANALYSIS MR A m wag g 4; ? 6"W40.00 R*co CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE JOB NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINE A * Q 100 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641.8777 sss ssa�sssa: anaas #s #sa #s+sa #asaasraar #.saassa raa. �r #.sar:as #a+aem's #.e: #.+aasassa saaasss#rsrsssaass x.- RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BE RNARD I NO COUNTY t SR. C ) 1983 HYDROLOGY MANUAL S. l i�if#.= a�i'=# it i�## a. 1Ra#.f i< a# a# a ##iR344a.�aP #iCa #aiYM#i[Jt #.fe Wow"".tea #.�t.=.�.7f.�aaiT .Cali #:� #.SAI.� # #iC.Stl.4TS (C) Copyri 19$8 Advanced Engineer ng Softwer -e EAES3 Especiall prepared far-; HALL & FOREMAN, INC. «+e *+►+r+k+�+cR+rDEBCRI PT ION OF REStlLT3+t+t+e aearie arieir �e r. arse+r�e+e�e �e �rw•ie�cir+�ar�ritie �e ire ae �t ar+e M +c +r * FOOTHILL DRAIN HYDROLOGY LINE A +` * Ch 00 FROM NODE 10.1 TO NODE 607 +� * JOHN SIMS J. N. 336E la /s /8E 5;c:3 P.M. �e�►+e+r�e+e n�c•+eie•ar �e•ie+e�rae �e it *�e**+a+e•* w• *+t ** * ie•u•r. r. *•ae•ie• x•�r *+r * � *�r rr ar+e•ir w•ie•u••K•ie+e•x•ar irw•* ie•ir a �t �e•ie•+t+e• *r. •u•+e+e•ac+r --------------------------------------------------------- USER SPECIFIED H YDROLOGY AND HYDRAULIC MODEL INFORMATION; USER SPECIFIED STORM E VENT i YEAR) 100.00 SPECIFIED MINIMUM PIPE SIZE ( INCHY = 18. 8O SPECIFIED PERCENT OF ©RADIENTStDECIMAL) TO USE FOR FRICTION SLOPE 10—YEAR STORM 68— MINUTE INTENSITYtINCH /HOUR} _ .980 tom- -YEAR STORM 60— MZNUTE INTENSITY % INGH /HOUR) 1.470 Ct MPUTED RAINFALL. INTENSITY DATA; STORM EVENT — 100.00 0 1 —HOUR I NTENS I TY ( I NCH /HOUR) r 1.4700 SLOPE OF INTENSITY DURATION CURVE — .6000 BBC HYDROLOGY MANLOAL "C"—VALUES UBr-. r Advanced Enaineer -ing Softwar -e EAES3 SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/$5 ♦t•it•* atw •♦e•i!•r!••�t+r+t•k�t•+!•�e••rc• �►rt•�r �e•� Brae prat a •�•ir rt+t+t•�+ tie fa�e•+t w• a•�e•�rw•+r u•it �e it �t is •�r it it it it ie•ie• •K •�s •it •n•+t•�•u••�e•ia•rt+e•+t ie•it is ir�+r+e• •�r FLOW PROCESS FROM NODE 18. 10 TO NODE 10. 1 et IS CODE _ ::f > > >} }RAT IONAL METHOD INITIAL SUBAREA ANALYSIStt { tt s rears# sassaasrsa= a. �ssaz s.s.- .�ssa.•arasas.�sss.•marv.= asar. �• s. �a�sysasssr= ssss= rsasszssarssamras�aea ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS; SINGLE FAMILY 41/ ACPE:) TC = X*E tLENGTH* *3) / tELEVATION CHANGE) 3 * *..=: INITIAL SUBAREA FLOW--LENGTH — geo. rc0 ® UPSTREAM ELEVATION = 1E69.90 DOWN STREAM ELEVATION = 1.'—:50.6O ELEVATION DIFFERENCE = 19.30 TC # . 393 *r t 9:roct. eta**3) / t 19. 30) w+t. •= 13.035 1e*.00 YEAR RAINFALL INTENSITYtINCH /HOUR) = 3.674 SOIL CLASSIFICATION Iii "A" SINGLE— FAMILY /4 ACRE LOT) RUNOFF COEFFICIENT = .7644 a► ►sbaary a f 7 _ Aq R�kR1!• R�!• RRRRRR• RRRRRRRRRRRRRRxRRRRRRRRitRRRRRI!• �t• RRRRRRRRRN• RRRRRR� ! • RRi! • RN •R � FRRRRRRRitiR• FLOW PROCESS FROM NODE #D.#D TO NODE 10.4ae IS CODE 6 --------------------------------------------------------------------------•-- )))))COMPUTE STREETFLOW TRAVELTIME THRU SUPAREA((((( sxras+ a+ aasaas+ eaaaaasnsrassasaaaaaraasa aaasaaaasaasrsamaaaama +.aseasrsaamsr:.ass UPSTREAM ELEVATION 60 DOWNSTREAM ELEVATION = 1:?4 # . 30 STREET LENGT = 600.00 CUPP HEI6TH(INCHES) _ S. STREET HALFWIDTH(FEET) - E0.00 STREET CROSSFALL(DECIM - .OZ70 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF 1 **TRAVELTZME COMPUTED USING MEAN FLOW(CPS) _ 17.69 NOTE s STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE RASED ON THE ASSUMPTION THAT NEOL19LE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL.. THAT IS, ALL FLOW ALONS THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) - .57 HALFSTREET FLOODWZDTH = 16. g:_ AVERAGE FLOW VELOCITY(FEET /SEC.) a 4.50 PRODUCT OF DEPTH &VELOCZTY to E.57 STREETFLOW TRAVELTIME (MIN) - E. ie2l TC (MIN) _ # 5. 6 1"." YEAR RAINFALL INTENSITY (ZNCH /HDUR) 3.343 SOIL CLASSIFICATION IS "A" SZNGLE- FAMILY41/4 ACRE LOT) RUNOFF COEFFICIENT = .7559 SUBAREA AREA(ACRES) z 0. €9t SUBAREA RUNOFF(CFS) _ 00.04 SUMME AREA ( ACRES) 6.30 TOT AL RUNOFF ( CFS) _ 17.69 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .57 HALFSTREET FLOODWZDTH(FEET) m 16.8:: FLOW VELOCITY (FEET /SEC.) a 4. 50 DEPTHRVELOCI TY = 2.57 • �rxxxxxxRxxxxxRxxxxxxxxxxxxxxxxxxx�sxxxxxxxxxxxxxxxrxxxxx�cxxxxxxrxxxx •yrxxx�rxxxx FLOW PROCESS FROM NODE 10.30 TO NODE 10. I S COVE : $ ---------------------------------------------------------------------------- ))))) ADDI T ION OF SUBAREA TO MAINLINE PEAk< FLOW (((( ( srarssssas• a. �• a= ssasarsaaa •sma=ara : sons «sa:sasasasara «« t:rasa «mars .m «sta tam•es« 100. YEAR RAINFALL INTENSITY(INCH /HOUR) 3.343 SOIL CLASSIFICATION IS "A" SINBLE FAMILY (1 /4 ACRE LOT) RUNOFF COEFFICIENT •_ .7 559 SUBAREA AREA(ACRES) = 5.4rt SUPAREA RUNOFF(CFS) = 13.65 TOTAL AREA (ACRES) n 11.70 TOTAL RUNOFF (CFS) r 31.34 TC(MIN) - 15.ES �I RRil RiI RRR• 1!• RRRiC• xRRRRitxxRRRi!• RRRRRRiPK• itRRxRRxxRit• RxRxiFRRxxiF� •xMikxxihiFRRxRRRxRxxRilR FLOW PROCESS FROM NODE 1 TO NODE 10.00 I S CODE a 1 )))))DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE a:=ar..asaeasasaraaaams srassaae tsameam�r.maxsatams ssts x•.xass sat w rssrss•:rzmrr = sssees a_rs.•s.= aats�a= .r.. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATZON(MINU ES) _ #5. !& RAINFALL INTENSITY (INCH. /HOUP) += 3..`<. =s TOTAL STREAM AREA (ACRES) = 11.7D TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 31.34 ® R• 1l RRRx• itRR�!• RRRRRRRRRRRRII RRRRR�I• il• RRRi!• RxRiCxi[• xRRR RR�►.• R MRxRi! � ! FLOW PROCESS FROM NODE # D. tc'e TO NODE 10. 4-40 I S CODE C. )))))RATZONAL METHOD INITIAL SUBAREA ANALYSZS(((•:( ara• saeaaaassaasassssaasm+.aaa: smamsas.trserr_aasasasass zsrssss rss r.= sa. .:.s.sss.ss »rs.ss.asrs.ssarsr.= ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT Ids: SINGLE FAMILY 41/4 AC RE) TC = K+RE(LENGTHRR3) /4ELEVATION CHAN©E) UPSTREAM ELEVATION ! 1E61.40 DO*"STREAM ELEVATION a 1 41.30 ELEVATION DIFFERENCE a Ee t. 2 4b TC - . 393* [ ( 10". Re�c +a*•3 } e ( ! 13.593 IAG." YEAR RAINFALL INTENSITY<INCH /HOUR} ! 3.583 SOIL CLASS IS "A" SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT r .76Za- SUBAREA RUNOFF (CPS) :4.03 TOTAL AREA ( ACRES) a &.80 TOTAL RUNOFF 4 CFS } er e4.03 MiNNl litit�lR�F�l lM�t�!* i!*•*•*•*•R*i01l1l * **•* ** ** ***•*•*• iFili01l4t * itit �! * 1CMil1lilllit FLOW PROCESS FROM NODE 1 0.040 TO NODE let. 8+2t I S CODE - 1 ----------------------------------------------------------------------- - - - - -- )))) >DESIGNATE INDEPENDENT STREAM FOR CONFLUF.NCE44444 )))) >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES44444 sawarlaeara saaaar seaaasaasa era salts erraer asaaseesaa =arses asrar•a saa tars: sasaaraaasr sssr CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE; TIME OF CONCENTRATION( a 13.59 RAINFALL INTENSITY ( INCH. /HOUR} - 3.5a TOTAL STREAM AREA (ACRES) - 8.80 TOTAL STREAM RUNOFF (rFS} AT CONFLUgNCE _ c--ir. eta CONFLUENCE INFORMATI STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------- - - - - -- 1 31. 34 15. ee 3. 34 3 E E4.03 13.59 3.583 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA (S&C } USED FOR E ST REAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS; 53.76 51.95 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) - 53.76 TIME (MINUTES} ! 15. 56 TOTAL AREA (ACRES) er a �e�tat*•it�eae�r�itr. r. ic•r. *•�e is�r arar� it+e•♦r ir*•*•*• at *• *•�r � �rir a�� re *•*•*�*•+e x r. � +e at+e*•+r K *•it grit � �+c+t *•+r *•ar ir+�+c+e ar *•*• �t+e r. +e *• FLOW PROCESS FROM NODE 10.00 TO NODE 15.00 19 CODE r: 3 )))) )COMPUTE PIPEFLOW TRAI. +ELTIME THRU SUBAREA-4-f<< > >> > >USINH COMPUTER- ESTIMATED PIPESIZE {NOM- PRESSURE•. FLOW }((((( !r!!lrrrS 7rSr sa ga QaarRa Z S ar eesesi iraS eraarrroerarSarasse re iRiTSr22 a S:iS. asrarar sea R si aeir eT srarmrr DEP TH OF FLOW IN 3.3. IN PIPE IS E5-5 I NL:HE' PIPEFLOW VELOCITY (FEET/SEC.) " 10.9 UPSTREAM NODE ELEVATION - 1:=41.30 DOWNSTREs')M NODE ELEVATION 1.^_35. &O FLOWLENGTH (FEE } - 500. oel+ MANNINGS N .013 ESTIMATED PIPE DIAMETER (INCH) 33.00 NUMBER OF PIPES e 1 PIPEFLOW THRU SU&AREA4CFS> 53.76 TRAVEL TIME (MIN.) r . 7 4 5 TC (MIN. u�rRs icae�►�e +�ao-�r�t+� era*• ax*•****•** ar* ir** Kie* 44..* is**• r.*•*ot.**• *•K•+ e-* *•*• ***•r• *•*•*•is***•**��**�** *+rat FLOW PROCESS FROM NODE R0. 10 TO NODE 1 5. 00 IS CODE - 8 >) > > >ADDITION OF SUBAREA TO MAINLINE PEAK FLOWd(((( srrsraaasr: rrsaaaaamsersrsa .a+saaa.�rasrsaaess assassss�ry ssssss:�.=.r..a asssa +.sarsass.r+ssar.ss. :s..sms 4.c 1e ".00 YEAR RAINFALL INTENSITY(INCH/HOUR) SOIL CLASSIFICATION IS "A" SINGLE- FAMILY41 ACRE LOT} RUNOFF COEFFICIENT r .7531 SUBAREA AREA (ACRE SY ! 5.60 SUVAREi-r RUNOFF (CFS) - 13.69 TOTAL AREA ( ACRES) - 426. 10 TOTAL RUNOFF (CFS) a 67.45 Ril RRRit1l R•• IN!• RR�tRR` R�tR�!• R�l RitRitRRRRR' RRRRR�!• RRRRRitR •1lR�tR1l11•RR1l�t•Itit1!•1tit ltRRi!•RN•RR•RRRRRRRRRR FLOW PROCESS FROM NODE L0.2* TO NODE 15.00 IS CODE m A ---------------------------------------------------------------------------- )) >))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW < < < << s asaesa� ssssssssassssa= easesssaass: ssssssassssssassassss .�+araaasas=.sas�essaaessaa..s 100. 00 YEAR RAINFALL INTENSITY < I NCH /HOUR) = 3.:?46 SAIL CLASSIFICATION! IS "A" SIN GLE- FAMILY <t /4 ACRE LOT) RUNOFF COEFFICIENT - .7531 SUSAREA AREA < ACRES) 4.60 SUBAREA RUNOFF {CFS) - 11.74 TOTAL AREA<ACRES) m 30.90 TOTAL RUNOFF<CFS) 79.19 TC{MIN) a 16.OE R+ t RiR • R•+e•�R•R•+e•R•R•+eRRR�RRR•�e• Rye• �e• irR�rRR• RRR•K• RRR+ �• RRRRRRR«• �e• R�rR•K• RRRRRRRRRRRR +e•RR�e•RR•R+r+e•RRRRR FLOW PROCESS FROM NODE 15.00 TO NODE E0. 00 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SURAREA< << << )))))USINS COMPUTER- ESTIMATED PIPESIZE {NON- PRESSURE FLOW) < < < << erm.assmsmmmrmsrsaa maarr s =am rs:s DEPTH OF FLOW IN 4E.0 INCH PIPE IS 30. INCHES. PIPEFLOW VELOCITY<FEET /SEC.) = 10.S !UPSTREAM NODE ELEVATION - 1.°35. i0 DOWNSTREAM NODE ELEVATION = le31.50 FLOWLENGTH {FEET) - 4&0.00 MANNIN ©S ESTIMATED PIPE DIAMETER {INCH) - 4:=.00 PIPEFLOlo) THRU SUBAREA {CFS) 79.19 TRAVEL TIME<MIN. ) _ .65 TC<MIN. ) N m .013 NUMBER OF PIPES = 16.67 1 it4tltihRiFRRR*R ititRRRRR itR itRRR♦tR i4R K• RR• K .4t.*RRRRRRRN•11•****$ 6 *- W**1Fit -*** **4tR�bM• F L O W PROCESS FROM NODE e0.30 TO NODE 0. 00 I S CODE as 8 ------------------------------------.----------------- •----------- •--------- - - - - -- > > > > > J ?DD I T I ONt OF SUBAREA TO Mtn I NL I NE PEAR FLOW -f<<<< asasssasssassaasssaaaasaeaessassssaa :ssaas=saatsa mass: smaaa asses. zsra =asarasrasaaaams- ttsxsar 100.00 YEAR RAINFALL INTENSITY < INCH /HOUR) = 3.170 SOIL CLASS IFICATION IS "A" SINGLE- FAMILY41 / -di ACRE LOT) RUNOFF COEFFICIENT m .7506 SUBAREA AREA <ACRE:S) 3.70 SUBAREA RUNOFF {CFS) _ 18. TOTAL AREA {ACRES) a 34.60 TOTAL RUNOFF <C.:FS) = 8e. 0a?k TC {MIN) +* 16.67 at,cR.tR.t,�«,t,tR,t w.t RRRRit1tRRRRRR . t + t , t*V ..lRRRRRRR A. -W * titit * ** * k RRRRR M RR +t+t+t FLOW PROCESS FROM NODE e4a.40 TO NODE L0.00 IS CODE m a >) >) > ADVI TI ON OF SUBAREA TO MAINLINE PEAK FLOW < < < << sasseaaas :saaarassaaaasasass s =a =sam sass =assa+a= .asrama+arr s siasaa�s��ssrr :raaarrascsssesstsvr 1".00 YEAR RAINFALL INTENSITY < INCH /HOUPY 3.170 SOIL CLASSIFICATION 19 "A" SINGLE- FAMILY (1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7508 SUBAREA AREA {ACRES) *= 5.: -•2+ SUBAREA RUNOFF<CFS) - 1a.36 TOTAL AREA(ACRES) a* 39.490 TOTAL RUNOFF{CFS) = 100.37 TC (MIN) - 15.67 ® R• ItRR• R�!• Rr!• ItRRRiIRiIRRRRRitRitit�tRititi! RRRRRRRRR�!• RRRitRRil �tRiti!• i` RRM.• RRRi!• Ri !•RititihRRititRitilRitiF� FLOW PROCESS FROM NODE a0.00 TO NODE 30.00 IS CODE = 3 > > >> )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA < < <<< > > ) ) ) USINS COMPUTER- ESTIMATED PIPESIZE {NON - PRESSURE FLOW) < < 4 if smssssasaaaaasassasasms samm ears msaaae s:r sammmss ma s it ssrm.: sr ss asassmrarmr mmm smss :ss srmrc DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.3 INCHES PIPEFLOW VELOCITY{FEET /SEC.) - 11.5 DOWNSTREAM NODE ELEVATION! = 122 . 60 FLOWLENOTHlFEET) 1100.00 0 MANNIN43B tit a .013 ESTIMATED PIPE DIAMETER {INCH) - 4 s.00 NUMBER OF PIPES +• 1 PIPEFLOW THRU SUBAREA <CFSY = 100.37 TRAVEL TIME4MIN. Y = 1.60 TC4MIN1. Y 1S..°7 ® M• 1! �• i!• it11iFl ��!• itRN�@ i! �!• �! M• It• �t• R�l �l �l �l �F�!• 1! N• �FK• �!• �l �rMiF�l �!•• IR�k�l �l iPikil it• itit�hlF1!•• 1!• iF�!• iF�!• itiF�!• 1! �!• M• iF� !•�l•�!•il1l�K•�'!r•iF�ti!•i! F LOW PROCESS FROM titOAYE 30. Oer TO NODE 50.00 Is CODE = 3 ------------------------------------------------------------•---------------- )))) )COMPUTE PZPEFLOW TRAVELTIME THRU SUBAREA < < < < < )) > ) YUSIN9 COMPUTER- ESTIMATED PIPESIZE <N?N PRESSURE FLOW) < < < < < aassassssssssssasssssas sasasassasass srsassssssasaaaas as sssaasssaasasssaasaas s DEPTH OF FLOW IN 4a.0 I NCH PIPE IS C-9.& INCHES PIPEFL40W VELOCITY<FEETfSEC. ) e 13.7 UPSTREAM NODE ELEVATION r 1 c:1. 60 DOkWST REAM NODE ELEVATION a 1i 10. 10 FLOWLEN3TH i FEET Y = ae4a. 00 MANNA N43S N = .013 ESTIMATED PIPE DIAMETER<INCH) r 4e.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA f CFS) = 100.37 TRAVEL TIME 4MIN. Y - .97 TC <MINt. Y a 19. Els �t��r�e���rae•+r*r�•�s�e•aa�r. �e�•+ r+ e• iraraf�r +a+r�r�e•+r+t+t+e••u•ot•+ rat•+ t+ e•+ r+ e•+ r+ �•• �•+ riru•+ �• �+ e+ e«•+ rir�• K+ a+ r+ r+ e- ir• �r+ a •+c•+tu•r�aat•n••kie+e+airie•rr FLOW PROCESS FROM NODE 50.00 TO NODE 50.00 IS CODE 1 )))) YDESI43NATE INDEPENDENT STREAM FOR CONtFLUENCE < < < < < ssesmrrssass�saarsrsrsaarssmsaar .WAWIW"a+_-sssassassaasr_=.as .=".=maaessaa=.===Wsaarm.w+ sssasmrssr_. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENT ION f MI NUTES) 19.::4 RAINFALL INTENSITY (INCH.1HOUP) a 2.91 TOTAL STREAM AREA «ACRES) - 39. aet TOTAL STREAM RUNOFF<CFS) AT CONFLUENCE - 1120.37 �tK �ric•w�e•arie•�s r. �tie•rr�c•� x•+e•r•+�+r � � rtK•+r w�� ��•K � •�•�• �e•ir+r •k+� •r.•u+e «•�•+r�e••�r re•re � w•i:•�r+t ir+e•x•�r+►+r •r. w••u• �r n �•ie ar+e••�r•K �+t+e• ie•+e FLOW PROCESS FROM NODE 50, 00 TO NODE 50.00 IS CODE 7 )))))USER SPECIFIED HYDROLOSY INFORMATION AT NODE<f <f< sasasssssasssaasasavr..sas asaassrs arsaasas ssm�+aseaaassasasssssar�sc ss s.ssrssaaasraasaae ss.- USER- SPECIFIED VALUES ARE AS FOLLOWS: s- ► - TC (MIN) 7e 19.90 RAIN INITENtSI TY < INCH /HOURY = 2-85 TOTAL AREA < ACRES) 19. 4a4a TOTAL RUNOFF <CFS) - X43. 7:? +r+ raeK�t+ t�r�r�e +eir+er.ar*u+e+c*ar a•aeraic*re•u•+e+r** air+ tititie +tia* *4trr**t.**aa•kir•u•ar* K�+rrieie�+! FLOW PROCESS FROM NODE 50. TO NODE 50.80 IS CODE - 1 ) )) ) )FYESZGNATE INDEPENDENT STREAM FOR CONFLUENCE f f < < f ))))) AND COMPUTE VARIOUS CONFLUE•.NCED STREAM VALUE S f f f f f asaaasasaasassrsaraasxai +rasrsassasaz rsar ss s er vasrarss a str.+e•a.sr. sr arsxs:xaa•+r+a+e•a ar ara csrsrrssssa:r srs CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE: TIME OF CONCENT - 19.9et RAINFALL INTENSITY 4INtCH.lHOUR) = E.85 TOTAL STREAM AREA (ACRES) - 19.00 TOTAL STREAM RUNOFF f CFS) AT CONFLUENCE s 43. ic_ ® CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENS NUMBER <CFS) (MI (INCH /HOUR) 1 100.37 2 9. a-4 e. 906 E -4 3. 7i27 # 9. 9O E. 435ex RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO 3 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: I J#e. 6s 2 4E. 09 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS RUNOFF (CFS) 242. 65 TIME (MINUTES} - 19. 2143 TOTAL AREAS ACRES) 58.88 ® �+tie•«•�e•�e• uric• ��r�u• �rn•+r+ e•+ e• K+ r�+ �• u•+t �e• �s�areiearuie•+ e«•+ �. e•+ e•, r+ ax• �+ rac•+ e• ar+ e• ar«• ar �r��+ e••K•+ e•«•• �e• �e•«• �t• �e• re •+r+�+ew•�+t+e••kar«•�rirx•ie• FLOW PROCESS FROM NODE 50. 140 TO NODE 50.00 IS CODE = R ))>))ADDZTZON OF SUBAREA TO MAINLINE PEAK FLOW{ < <<< sasass --- sssasas saarsssaaasaassastassassaasssaaaaas+ saasasnassssaa imssassssssstssra� 1".00 YEAR RAINFALL ZNTENSITY(ZNCH /HOUR) _ .'x..988 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFF ICIENT SUBAREA AREA(ACRES) - 1.40 SUBAREA RUNOFF(CFS) - 3.37 TOTAL AREA(ACRES) - so.ieo TOTAL RUNOFF(CFS) = 146.8E TCtMZN) - 19.,-- atatat atataratat �aratar+eat•�t•a�•� a►+r�e•+t �e•+� n•w•�•+e•+�+e•�r+�ar+e•+t arw•at•�r �r �r�rw w•n• ie•�r �e•�rar+e it irar •�t• •k+e•+r+rK +t•K � ae u• ira at x••K•+r ir+r �t+e•�e•�e• FLOW PROCESS FROM NODE 50.C-0 TO NODE 50.00 IS CODE 8 ---------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAL{ FLOW < < < << sasseasr :vssassrssasasas - s sjm "WAw sasssaatsasassssaeaassmsssrsa :sssssssmmam_aaasssaaas 1".00 YEAR RAINFALL ZNTENSZTY +• r SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT A .a&S4 SUBAREA AREA (ACRES) L3. So SUBAREA RUNtOFF (CFS) - 6. TOTAL AREA(ACRES) = 63.00 TOTAL RUNOFF(CFS) - 35::.77 TC(MIN} : 39..^_4 atarar+ o-atatatarataratatitarata►.• aeitaru• +e•r.+taratarirx•ataratar+rat+r +tat «••u�•a�•+t•ararir•aratatr. • �r+ eao-• K• �rat•u•ar•K•it+tar•it�•irir+rr. at•atararar�e•ita�•ir FLOW PROCESS FROM NODE 50.00 TO NODE 55.00 IS CODE = 3 >) > > >COMPUTE PIPEFLOW TRAVELTZME THRU SUBAREA <<< << > >} } }USZNB COMPUTER- ESTIMATED PIPES1ZE (NON- PRESSURE FLOW) <<<<< sssssssssass essars :asaaaa:raaa :arsssaras:era aas•aasrsT eraaaaas r raasaaaaasr �•aa :aaar =aa :asr DEPTH OF FLOW IN 57.8 INCH PI IS 44. 4 I NCHE S PIPEFLOW VELOCZTY(FEET /$EC.) - 10.3 UPSTREAM NODE ELEVATION - 1E18.10 DOWNSTREAM NODE ELEVATION - 1 &08.8O FLOWLENeTH(FEET) - 400.00 MANNINeS N - .013 ESTIMATED PIPE DIAMETER(ZNCH) - 57. NUMBER OF PIPES 1 PIPEFLOW THRU SUVAREA(CFSJ 15E.77 TRAVEL TIME(MIN.) - .65 TC(MIN. ) - 19.89 atarara► arararararar+ tararararatat ***ararat*arat*a***r.a **** *u ar+ tatarararwararieas• arar arie�ratarse+ rit •ae•ar+t+rararaew•atit+r FLOW PROCESS FROM NODE 55.10 TO NODE 55.00 ZS CODE s 8 ---------------------•------------------------------------------------- . - - - - -- > > >))ADDZTZ OF SUBAREA TO MAINLINE PEAK FLOW < < < << sssss- sssarasssssa +.�eaas+arsars+saaesassasmasss sassaassasrasa .= .a.= :esrsas.�s.� asssasssssasasr 1"." YEAR RAINFALL INTENSITY(INCH /HOUR) SOIL CLASSIFICATION IS "A" SZN(3LE- FAMZLY (1 t4 ACRE LOT) RUNOFF COEFFICIENT - .7397 ® SUBAREA AREA (ACRES) �+r 4.10 SURARFA RUNOFF (CFS) - 8.65 TOTAL AREA ( ACRES) - 67. let TOTAL Rt tNOFF ( CFS•) a 16 1.41 TC (MIN) - 19.89 aratarararatatar atararar arat aearaearae•at at at ararat arar+e•at arse arar atar•itararar at ar ararararatae•+e•+ tat+t ara�•+tat+r+ tar �r ie• arat ie•at ae•ae tae• ar+e• re at at+r+r�• FLOW PROCESS FROM NODE 55.42 TO NODE 55.00 IS COME : B ---------------------------------------------------------------------- - - - - -- s: as: ams= aaeassa s-- ss: s: satesaaraaessasasaessaessassaasasr srsmsm�aarsssssassssarrsamss 1100. 00 YEAR RAINFALL INtTENlSITY (INtCH /HOUR) _ .'a_. 851 SOIL CLASSIFICATION 19 "A" SINGLE - FAMILY l 1 /4 ACRE LOTY RUNOFF COEFFICIENT - .7397 SUBAREA AREA (ACRESY 1.30 SUBAREA RUNlOFF (CFSY a E. 74 TOTAL AREA (ACRES) 68. 40 TOTAL RUN OFF (CFS) = 164.15 ° TC (MINtY 19.499 `111x+' at+e wie *•+tw�tKae•�a •t�ua� � au•� ie Stu �x•+rre•u•+r �r a� �rx• � •r�+r ae•�r �t•ir•�•ir �•�r it err. +e�rirre•ir+are•atr•+� �e•�r at�r is n•u•�u•+t �e•it•ie•wir�rw••K• FLOW PROCESS FROM NODE 55.30 TO MODE I :55.00 IS CODE 8 -------------------------------------------d•----------------------------------- > >) >) ADDITION! OF SUBAREA TO MAINtLINfE PEAK FLOW 4 4 4 4 ( sss: ssramssav_ �sassssmr3 •ssssssnmsssearsmss.Rm sa+assRsasma - - - ms aaa=.ss�v.•srssssassasssmasmsse z 100.00 YEAR RAINFALL INtTENSITY(INCH /HOUR) _ 0.851 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT ra .8a79 SUBAREA AREA (ACRES) A* .30 SUBAREA RUNtOFF (CFSY - .71 TOTAL AREA(ACRES) 68.70 TOTA RUNOFF(CFS) m 164.66 TC (MIN) = 19.89 �e ie�t+c �r•k are►• ie•ar araa irar +e• u+r ie ir+� t•+t+e+e•+t+e•+f •rc•x+r+e•+e it �e•�e• 4rir a•ir�r ar •k+r�e•�t•+e+r+r+c+r u•�r�eK�•�e• •K � w•�e•x iririeir •K•arrr •tie•w•�r�r ar ie•v.• FLOW PROCESS FROM NODE 55.00 TO NODE 56. I4 CODE R: 3 > > > > > COMPUTE PZPEFLOW TRAVELTIME THRU SU&AREA d ((( < > > » >USIN13 COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ( ( ( ( ( ==arsRra =m amaa•=asmarSSaassaa rrsamsmma arRS.ssmmmrassemmsassssrma smmmamms=sar rammrasrasrarr DEPTH OF FLOW I N 54.0 I NCH PIPE I3 38.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 13.6 UPST REAM NODE ELE r 1 E08. 00 DOWNSTREPIM NODE ELEVATION •= 1 05.00 FLOWLENGTH (FEET) = 300.00 MANtNIN G s N = .013 � ESTIMATED PIPE DZAMETER4ZNCH) 54.00 NUMBER OF PIPES z 1 PIPEFLOW THPU SUBAREA/CFS) 16 - TRAVEL TIME(MIN.) = . 37 Tf: (MIN,) _ :_0.. -�_ik arat ae•ar+r•ar arat ae•r. ac•ar ar •► ar ar ar ar ar a! soar ar ar rr ao-ar ar ar ar ie ar ac ar r.• ar at ar +.• ar ar arse ar ar ae ae•aF ar at ar � ar ar a►ar ar a!•at r. a` � ae -ar at as �+► arie•atae•r. atar•at• FLOW PROCESS FROM NODE 56.00 TO NODE 56. 00 IS CORE 1 > > > > > DESIONsl s E INDEPENDENT STREAM FOR CONFLUENCE (((`: ( sarsssxscrss «« .rs = •amass.- = as.�_asr:.�rsa.� as.•sara•.�rs:esrssa x:sms sssm:r= .xeaas »aasasssrss_rasa s =.mm« CONFLUENCE VA_ UES USED FOR INDEPENDENT STREPtM 1 ARE: TIME OF CONCENTRA •_ ;E:0.:6 RAINFALL INTENSITY 'INCH. /HOUR) r TOTAL STREAM AREA (ACRE=S) - 68. TOTAL STREAM RUN OFF /CF`3) AT CONFLUENCE 164.66 ar a` �• ac arar x a!• ar ar x r ar•ar arar+e• at+r arar �►• •r it ar � ar arar ar ar ar ar ar re �e ae•ar•arae•ar•+rar ae• � � ar ar �•ar ar ar irarar+r atararararar ararar it ar ar ar ar ar ac•ar aaa! it FLOW PROCES FROM NODE 56.10 TO NODE 56.10 IS CODE c: ) > >)) RAT IONAL METHOD INITIAL SUBAREA AN AL YS 15 4 4 4 4 ( S« S .•ra.�Y.TCR.TS.4��CSSS3CS'aS «.� .L:aaCR« « «.:Rt «. SCR. S. ffi. �S.S T.'CSL.3•.=:.ffi «S• «S'.� «.ST «� T. ffi3. �a'.' �« S .7i.Z « «.ffi.9CiY�37tf�i�.CS.LtC.ffi ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *C (LENL / (ELE4,I tTION CHAN6E)3v- INITIAL SUBAREA FLDW- LENGTH s 600.00 UPSTREAM ELEVATI - 1E:13.00 DOWNSTREAM £#_.E%. I0tit - 1 106. 00 ELEVATION DIFFERENCE = 7.00 TG •_ . 393* C ( 35.4 100,00 YEAR RAINFALL INTENSITY ( INCH /HOUR) 3.79-4 SOIL CLASSIFICATION IS "A" SUSAREA RUNtOFF 4CFS) 6.40 TOTAL AREA 4ACRES) TOTAL RUNtOFF 4CFS) a 6.40 � i..•ar Y•aeat+e+r��••Kir sae x•�t+rre• arr. +ea•a��t+e+r+r+t � �t• �t••�•�•K •n•+r+r+e+t+tir + aar ar+t��t arw• u• �• ao-•+c ie•+e•�•�r+e• •k •K•at••�e•ir+ru•�e•x•+e•+e•w•ir x it �e•x•ir FLOW PROCESS FROM MODE 56.20 TO NODE 56.0 IS CODE a 3 ---------------------______--------------------------------------------------- >> > > >COMPUTE PIPEFLOW TRAVELTIME THRU SUPAREA44 ) >))) uSIN B COMPUTER ESTIMATED PIPESIZE 4NiONt- PRESSURE FLOW) 4 4 4 4 4 sa•oasssaassssssss ca sssss saasas sssassssssssssss sssss sasasaas samss sss :sasasaax DEPTH OF FLOW IN 148. I NtCH PIPE 15 10-3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) •= 6.3 UPSTREAM MODE ELEVAT - 2 06.00 DOWNSTREAM NODE ELEVATION a 2::05.50 FLOWLEN NTH 4 FEET) - 50.00 MANtNlI N GS Nt .013 ESTIMATED PIPE DIAMETER4INtCH) = 18.00 NUMBER OF FIFES a 2 PIPEFLOW THRU SUSAREA4CFS) 6.40 TRAVEL TIME(MINt.) _ .14 TC4MINt.) 2;?:. 49 �e+l+►♦e arn• at•�► � «• it+► �!• �r+e�• it r. +a it+e•it+t ie• �r •r. it ie•+t at � �r it irx• �� it it• �r •n• rr tt ir+r ie••+e• n•+e•�r �e•ir w• •a•+f+r ar+rie•r. K � is it ic•�r �tie•ie• ie•+e �r x x �r+r FLOW PROCESS FROM NODE 56.:0 TO NODE 56. eet IS CODE = B --.--.------------------------------------------------------------------------- >) > > > ADDI TZONt OF SUPARER TO MAINLINE PERK FLOW 4 4 4 4 4 sassmssasarr. ss:a sa�aaea szaraarrsasssasa . : :.szsz.as�ramssa arm rs s sz aae3sASassoza- assarae+raaaaa�ssssc 100.00 YEAR RA INFALL I NtTENtS I T Y 4 I NtCH /HOUR) 3.769 SOIL CLASSIFICATION IS "A" SINt43LE- FAMILY4314 ACRE LOT) RUNOFF COEFFICIENT - .7666 SUSARE -A AREA (ACRES) 1.40 SUBAREA PUNtOFF (CFS) - 4. etS TOTAL AREA(ACRES) rr 3.60 TOTAL RUNtOFF 4 CFS) 142t.45 TC (MIN .1 - 1;R.4-9 r. �+• aticu• �! ie• ie•♦ c• re•• �r+ r+ r• ir•«• ie•• u• ieir�riririr+ sie•• n•• ie•+ r+ rie• ic• ir• ir+ e•+ e•+ e•• �•• r. a•• u• i►• ir• �r• n ••x••r.+•+r�+r+rieirre•+r•K•�e• Brie•+ e• r.• �• ir r •ieir�e•�e•�r«•�e•ie•+c•�t•+r+r FLOW PROCESS FROM NODE 56.&0 TO NODE 56. 00 I S CODE = 3 > > > > > COMPUTE PIPEFLOW TRA",$ELTIME THRU SU&AREA 4 r, 4 4 4 COMPUTER- ESTIMi�TED PIPESIZE 4NtONt- PRESSURE FLOW} 4 4 4 4 4 snrarzz.ras :rrssrr. s.rse•resrz_r rr m•�.ar t:ser:arsstr sa rs saassrarsasrsars.arz t•.rsrs a ar:raa. -a s srersrsasc sarasss�•.ss= a DEPTH OF FLOW I 24. INCH PIPE 15 1 6.5 I NICHES PIPEFLOW VEL0CITY4FEET /SEC.) = 4.5 UPSTREAM NODE ELEVATION = 2;:05.50 DOWNSTREAM NtODE. ELEVATION - 2:x04.00 FLOWLEN6TH 4 FEET) = 150. 00 ?4A- NtN Z N (3S Nt =_ .013 ESTIMATED PIPE DIAMETER(INCH) _ e 4.00 NUMBER OF PIPES = 2 PIPEFLOW THPU Uf- .*%AREA4C•F9.r 10.45 TRAVEL TitE 4MINt. ) _ . 55 TC fMI tit. } 13. Ofs � i►.• as �•+t+e• ie•r• it � i•.•+e•+t+e �r �• it• it it•+a �r •K it ie• it �e•ie•�e•re•+e•�e•ie• is ir+t �t ♦e•+e•+r it• r. �t it •r. at•r. ir�e••ir ie•+r ie• r. ar �r. •K•+e• ie �t r. *• •K• nr. +e•+f ie• ie••�••rr �e•ae+r n r+t FLOW PROCESS FROM NODE 56.30 TO NODE 56. eZ 0 IS CODE a B > > ) > > ADDI TI ONt OF SL +&PREA. TO MAI NLINE PEAR FLOW 4 4 4 4 " st assaysasasssa $sss;.rearrssermxsrssss. aasasssmsrar a - L:..ms+s.$.ssss.o.�.r amss. .sasas:ssaaa+rssss+�.s.�esassaa 200. YEAR RAINFALL INtTENtSITY4INtCH /HOUR) 3.673 SOIL. CLASSIFICATIC IN IS "A SINGLE- FAMZLY41 /4 A CRE LOT) RUNOFF COEFFICIENT .7644 ® SUPAREA AREA(ACRES) _ . 50 SUBAREA RUNOFF 4CFS} - 2.40 TOTAL AREA /ACRES) 4.142t TOTAL RUNOPF 4 CFS) 11.85 TC 4 M I Nt) - .1 3. 404 �r •►t arm• K*• � i!• at•r. it x• �+r +:•ar �t it• ♦r x•�t •n•+r+r it •rc+e• irw ie•ie•+r ie• it�t ie•+r rt+r it+e•it •� •r.•��•+e•iare•it it••�t• �• �r+t• •r at � •� � it it ie•u• w• it w•� ie•+e••K•ie•ar+tir at FLOW PROCESS FROM NODE 56.00 TO NODE 56.00 IS CODE = I )>))) AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES < < < < < aaas =s :s :assaarr asss s: ararssasassasssaaa:. srsrmsamssrssaassrr :asasaaa :sssraamsrr CONFLUENCE VALUES USED FOR I NDEPENDENT STREAM a'-"- ARE: TIME Oir CONCENTRATION<MINUTES) r 23.04 RAINFALL I NTENSITY ( INCH. /HOUR) a 3.67 TOTAL STREAM AREA <ACRES) r 4.iet TOTAL STREAM RUNOFF<CFS) AT CONFLUENCE - 22.85 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER <CFS) <MZN.) <INCH/HOUR) 2 16-4.496 6 2. 82- �° 11.85 13.04 3. 673 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA ( SEIC) USED F E STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 173.96 11 8. 04LI COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF <CFS) - 173.96 TIME (MINftTES) a &0. 2'59 TOTAL AREA <s'tCRES) = 7. ae i! 4f 1l4F 4!4! al+.• 4k1!• 4t 4F 4! 4! 4! 4! iF 4! 4! 4! it � 4k 4F 4! 4F ih 4! 4t 464► 4F 4e 4e 4! 4t4t 4k4h 4M4F 4! 4r 4e 4r 4r ae 4F 4F 4! 4! 4! 4e 4! 4F 4! it 4h 4! 4! 4! 4k 4F 4! 4t 4F4P4F 4h4F 4! 4! 4! 4F it 4! FLOW PROCESS FROM NODE 56. 4a+a TO NODE 57.00 IS CODE � 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU StBAREA<d<<< ))) )OSINO COMPUTER- ESTIMATED PZPESIZE <NON- PRESSURE FLOW) < < < < < aaaasammasssaa msmsxraammmm zasssaasasm maasrasaamamsssasaareraQaas mmrsa ssrmamssasmaaara DEPTH CF FLOW IN 51.0 INC PIPE IS 440.7 INCHES PIPEFLOW VELOCITY <FEET /SEC.) W 14.3 UPSTREAM NODE ELEVAT = 12'05.00 DOWNSTREAM NODE ELEVATION FLOWLENOTH <FEE T) - 340. 4248 MANNINGER N a . 01 3 ESTIMATED PIPE iD. IAMETER<INCH) 51. NUMPER OF PIPES - # PIAEFLOW THRU SU&AREA <CFS) F #73.96 TRAVEL TIIME __ .40 TC: <MIN.) - eO. ar4! 4!*• 4F4 ► * ***4!• 4 t4K4C iF•r. itih4► 4Fik4Fit4!• it 4F4F4F1!• 4e i! 4! i! 4F• R• 4►4Fa►4!4!4tit4F•IP•K••1!••k•it 4! 4! it4! 4! 4F4!4t4S•i!•Y.•iFi!•k•4Fit•N•4► FLOW PROCESS FROM NODE 57. 00 TO NODE 57.00 IS CODE >>>>) DESIGNATE INDEPENDENT STREAM FOR C0NFLt fENC:E < < < < < aaassassszr _.sar= ssss.ce�.aszsrs sas smasssrs_ s: �- rsae_ ssssas sssssaxsrmss.�ssasssarssssssss =_rss CONFLUENCE VF #_F DES USED FOR INDEPENDENT STREAM # ARE: TIME OF CONCENTRATION(MINUTES) EO.65 RAINFALL INTENSITY (INCH../HOUR) _ 0-.79 TOTAL STREAK? A f+.EA /ACRES) •= 7i:.80 TOTAL STREAM RUNOFF (CPS) AT CONFLUENCE •_ 173.96 4! 444E 4k 4! 4[• 4! 44 iki► 4t•4k 4! 4F it 4! 4t it 4! i• it4F it 4t 4! 4F 4R• 4F it• 4t 4r 4F 4F 4t 4t• 4e• it 4t 4h 4! iti 4! ih 4F 4F 4b 4! 4! 4! 4F 4! 4! 4! 4F4R 4C 4F 4! 4! 464! it• 4t 4e 4F 4t 4! 4! 4F 4! 4! it 4F 4t 4F 4t FLOW PROCESS FROM NODE 57. #+fit TO NODE 57, 10 IS C ODE >)>>) RATIONAL METHOD INITIAL StJDAREA ANALYSIS < < < d < iC. 53C. TS7. �. 1R. SaiCaAt. TSti. CS. SS. ���l ..��.�Sr.�ST3IISTSSRTS.TC.a�RS TS.3.�.�3C aC��•a.T� T.T.T.S..S T. ��.CiT�� aaSaa�ai'S.i.S ASSUMED INITIAL SUPAREA UNIFORM DEVELOPMENT I=3: SINGLE FAMILY #.* l /-'s• ACRE) TC: - H-t <LENGT!•s**3) f <ELE'VATION CHANSE) 3 **. c: INITIAL SUBAREA FLOW-LENGTH •t- •4et8.04. UPSTREAM E#_E4+ATION = 1&04.50 DOWNSTREAM ELEVATION •- laet#. 00 E LEVATI ON DIFFERENCE = 3. 50 TC T• . 39:3*f. ( 400. tZtQ' **3) < 3. 50) 3**.:.: # #. l 7 SOIL CLASSIFICATI IS "A" SZNGLE- FAMILY41/4 ACRE LOT) RUNOFF COEFFICIENT = .77 ea SUSAREA JgUNQFF (CFS) = 6.86 TOTAL AREA (ACRES) - c_." TOTAL RUNOFF (CFS) 6.86 ern• p ate •�r+e•+�+e•+rie•u•�!•+r���e•�+ rata+ �K+ e�r�ae�rit• rrw• xat•+ a• rtarae• ir�r�e• �+ r+ ear�r�rae�+ rae+ r�r+ r+ r• �r�e�e+ �•+ rir+ �• ie •ar�e•♦e•�e•x•irrr•�♦rrrie••Kw• FLOW PROCESS FROM NODE 57.10 TO NODE 57.00 IS CODE _ :3 > >) >)COMPUTE RIPEFLOW TRAVELTIME THRU SUBAREA < < < << > >)))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW << < << sssrsrsrsssrsa*srrsrs mamssrrrss sasraras sa saasssssamamsaa mass sra ssrssss sasrsram• DEPTH OF FLOW IN 18-0 I NCH PIPE IS 13.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 5.8 UPSTREAM NODE ELEVATION = 1&01.08 DOWNSTREAM NODE ELEVATION s #: Ott. etQ FLOWLENGTH ( FEET > - # "'i 0. 0et MANN NGS N +r .013 ESTIMATED PIPE DIAMETER(INCH) _ 18.00 NUMBER OF PIPES = # PIFEFLOW THRU S1. SAREA(CFS) = 6.86 TRAVEL TIME(MIN.) - .57 Tt (MIN.) = 11.69 �•K•�s►.• arie• •K+► •c �►• err. - •�r i► rrrr+ra�• •�r+k ar•rr �•rr arit �e•+r�•�e•�r•tt• ic+r ie �r�►ie+e• n••k �c•+r� ar+e+e �r *•a�•�e•ir�t ie•k•�• •K••�r �e••►ri►•K is �r��•K ie•+ere+c•�+aie•ie•ir FLOW PROCESS FROM NODE 57.00 TO NODE 57.00 IS CODE m # --------------------------------------------------------- •------------- - - - - -- )) >) > DESIt3NATE INDEPENDENT STREAM FOR CONFLUENCE < < < ( < ) >) > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES < << << sssrs:smszsrsaraa asssaam ::rasasmaraa amaa msmssmtr�m� a.rsaasaaar r. = amsrsa�ssmt: rsstea CONFLUENCE VALUES USED FOR INDEPENDENT STREAM c: ARE: TIME OF CONCENTRATION(MINUTES) a 11.69 RAINFALL INTENSITY /INCH./HOUR) a 3. 921 TOTAL STREAM AREA (ACRES) - E. ea TOTAL STREAM RUNOFF= (CFS) AT CONFLUENCE T 6.196 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMPER (LFS) (MIN.) (INCH/HOUR) # 173.96 te'o. 65 a. 767 S. 86 11.69 3. 9:::::: RAINFALL INTENSITY AND TIME OF C RATI FORMULA(SDC) USED FOR ie STREAMS, VARIOU CONFLUENC.:ED RUNOFF VALUES RRE AS FOLLOWS: 1 78.64 # O5. 34 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (C:FS) •- 17 8. &4. T IME (MINUTES) .'o. 65• TOTAL AREJ44ACRES) = 75.00 �e ie•+.•+� �t••r••r. i• r. �• ie••ir ie•�o- +r � ie•r. ie•it ir+r ie is it ic+r •K �e •K•+e+rr. +rto-+e� ie •k+e ie •u• ir+.•it�•�!•+e•ie Sao- at•r. stir •u•+e• ie• •r. •r. +e+r+e it � r �•� �e•♦t• trae•�t+r•it �r �• FLOW PROCESS FROM NODE 5 ?. 00 TO NODE 607. O0 IS CODE a 3 >) > > > COMPUTE PIPEFLOW TRAVELTIME THRU SU&AREA < < < < < ) ) ) USING COMPUTER - ESTIMATED PZPESIZE (NON - PRESSURE FLOW) < < < ( < ass:easstr :rs sssaa srr r. sarsm�•rrae•ssarrmar srssr �e•ma.ra.aa�a.aasaass ot*= a= raa'mr. asr= amasaarrssamW= DEP OF FLOW IN 57.0 INCH PIPE IS 44.6 INCHES �+y PIPEFLOW VELOCITY(FEET/SEC:.) _ #:_.0 �+ UPSTREAM NODE ELEVATION = l eftt- Oas DOWNSTREAM NODE ELEVATION m 11918-00 FLOWLENSTH <FEET) = efso. 00 MANNIN49S N . 013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES a # PIFEFLOW THRU SUBAREA/CF-S) *r 178. i94 TRAVEL TIME(MIN.) = .39 TC(MIN.) a E #. 0J# K•kK�x� �►.•�r+e «•,r at ie•«• arie ar, cit .e,r,e•ae.e,e,rit«•,e�.r�t,t� «•,r+r+r*• x,r •K+�•�t�e«••�t•�,e•�t,rx «••n•,r•k «••K,r+r •rr ie••K•.r �s «•.r+r � •K•.e•.e•rr+e•,e•x FLOG! PROCESS FROM NODE 607.00 TO NODE 607.00 IS CODE m # )))))DESZONATE INDEPENDENT STREAM FOR CONFLUENCE((((( t)))) AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES (({ { { sass sarasaasssaaaasssaaaaaaersra sraa rraaaa:arsra:erare rraarsa rears srsarssassa ssrrsa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE; TIME OF CONCENTRAT I ON S M I NUTES) a al.04 RAINFALL I NTENSI TY ( INCH. r`HOUR) — a.76 TOTAL STREAM AREA (ACRES) a 75.00 TOTAL STREAM RUNOFF AT CONFLUENCE a 176.54 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ------------------------------------------------------------------------ - - - - -- 1 176. $4 al. 04 :?. 756 RAINFALL INTENSITY AND TIME OF CONCENT RATIO FORMULA ( SRC) USED FOR # STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 1743. 434 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(cps) a 178.6 TIME (MI NUTES) e l. 040 TOTAL AREA (ACRES) — 75.0421 serarsrSr :aa: as s :seaeasssasaas+a+>a srsaaaasssrs.: assrras._ r .asas:mzssrsa.�saasass.=•sssass mrsrsaasmsssmmsss:- ENE} OF RATIONAL METHOD ANALYSIS �410 �I CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT " DATE JOB NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS DEC.,1986 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINE A LATERAL TO INTERIOR STREET FROM NODE 40 TO NODE 50 (USING COMPUTER— ESTIMATED PIPE SIZE) * Q 10 *REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 : ss s ---- asasaasss: aaa�: sss�ssaasassssas ssaaa.�saaaasa - aaasa RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM RASED ON SAN BERNARDINO COUNTY (SRC) 1983 HYDROLOGY MANUAL <<<<<<< << ( <<< « << << << < << << < < < < < < << << < < > >>> > >)> > >>) >> >) >>) >) >) >))) > >> > <C) Copyr-i 19S:= Advanced Engi near -i ng Saltwar -e CAES2 E s p e c i a l l y prepared for-: HALL & FOREMAN, INC. <<<<<<< <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>)> ) >>>>>)) > )>)) > > > > > > > >>)>>>))) >) >)) SCRIPT ION OF RES�tLTS+ �+ �+ taratie�r+ ea+ r���r+ earK+ c+ rKir�r+ aau�r�e�e +e+eae�raricrcu�c+t�r�irw�r�e�r e LINE A — LATERAL TO BANNING STREET +� +t Q 18 « +t AHMED SHEIKH,, J. N. 3366, 1&/4/456 e ae+e+e�rit+e+t+:+�• a�+ r�•+ �+ e�t�r+ eir+ e+ e• u�ra t�e�+ r�ru• �sar�r�t�at+ rar+ tat�a�e•«• �r����ric��+ raair�e• ��ux�car +r�rat���r�ir�ticex�e�cie ---------------------------------------------------------------------------- USER SPECIFIED— HYDROLOGY — AND — HYDRAULIC —MODEL — INFORMATION------------ - - - - -- {USER SPECIFIED STORM E VENT ( YEAR) _ 140.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS (DECIMAL) TO USE FOP FRICTION SLOPE _ .95 1$ —YEAR STORM Eft— MZNLJTE INTENSITY(INCH /HOUR) _ .980 100 —YEAR STORM 6tt— MZNUTE INTENSITY (INCHtHOUR) 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 10. 401et 1 —HOUR INTENSITY (INCH/HDUR) _ . 9898 SLOPE OF INTENSITY DURATION CURVE — .600et SRC HYDROLOGY MANUAL "C "— VALUES USED <<<<<<<<<<<<<<<( <<<<<<<<<<<<<(<<<<<<<<)) ) > )> >> >>) > > >>>))) >>>))>)) >) >)> >)> )>) Advanced Engineering Software CAESJ SERIAL No. A0560A REV. 3.1 RELEASE DATE: 5/01/85 FLOW PROCESS FROM NODE 400.10 TO NODE 40.1 IS CODE i -------------------------------•--------------------------------------------- > > > >)RATZONAL METHOD INITIAL SUBAREA ANALYSIS < < < << assssssssssssasssss= asassssassrsssssaaassasansss sas : --- asaasassssssssssssssssaa ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 41/4 ACRE) TC - X* C <LENGTH**3) t (ELEVATION CHANGE) 2 **. e INITIAL SUBAREA FLOW - LENGTH = 1000.40C UPSTREAM ELEVAT Z ON = 1 E36. 12 0 DOWNSTREAM ELEVATION — 11 2 ELEVATION DIFFERENCE - 11.80 SOIL CLASSIFICATION IS "A" SZNSLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7110 SUBAREA RUNOFF4CFS) 8. 37 TOTAL AREA4ACRES) = 5. TOTAL RUNOFF4CFS) = 8.37 N' li!' �t' Q1lK�NFilitit�lilll�!• iliF�l�lil�ll!• 1! R♦! �l�l�t• 1til�t �lit�tilititiF�l�t�l�l�l�l�lR�lK• itMllit�!• iFiN�l�l�l�l�!• �l�llNFil�l�lQ�l�l�Fili!•1!M•�h FLOW PROCESS FROM NODE 40.1 TO NODE 40. I3 CODE = 6 ---------------------------------------------------------------------------- )))))COMDUTE STREETFLOW TRAVELTZME THRU SUMREA44444 sarsr saeaa�assasasssssaaasasassssass=: sssssssssssssssssassssssaesa =ssaassssssss: UPSTREAM ELEVATION 2£.^.4. 0 DOWNSTREAM ELEVATION liel3.46 STREET LENGTH a 868. CURB HEZGTH4I a 6. STREET HALFWZDTH(FEET) = 18.80 STREET CROSSFALL4DECIMAL) _ .0140 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 3 **TRAVELTZME COMPUTED USING MEAN FLOW(CFS) = 8.37 ***STREETFLOW SPLITS OVER STREET- CROWN*** FULL DEPTH4FEET) _ .39 FLOODWZDTH4FEET) = 38.040 FULL HALF- STREET VELOCZTY4FEET /SEC.) a 3.30 SPLIT DEPTH 4 FEET) _ . i h SPLIT FLOODW I DTH 4 FEET) +r 7.17 SPLIT VELOCITY(FEET /SEC.) = 3.96 STREET FLOWDEPTH4FEET) _ .39 HALFSTREET FLOODWIDTH(FEET) = 38.00 AVERAGE FLOW VELOCITY4FEET /SEC.) = 3.10 PRODUCT OF DEPTHRVELOCZTY = 3.ee STREETFLOW TRAVELTZME 4MIN) = 4. 30 TC 4MZN) = 19. 4ie 30.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 3.947 SOIL CLASSIFICATION IS "A" SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .6885 SUBAREA AREA 4 ACRES) = 0. 00 SUBAREA RUNOFF 4CFS) = 0. 00 SUMlrlED AREA 4ACRES) = 5. ee TOTAL RUNOFF4CFS) = 8.37 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .39 HALFSTREET FLOODWIDTH4FEET) = 18.00 FLOW VELOCITY(FEET /SEC.) = 3. DEPTH*VELOCZTY = 1.i -:!e �a eta �t•at�ir arac•��e �c•ar it •0e• u•�r a0•� � x a �t �c�+e+t�a�rn+t+e+�x�t �e �r� x•u•Kir u•�aa �r �a �e•arx�•�t �e Kee ar � K+e+ra� �rar�tieara�a+e�e+rar�t FLOW PROCESS FROM NODE 40.00 TO NODE 40.:30 IS CODE = 8 )))))ADDITZON OF SUBAREA TO MAINLINE PEAK FLOW44444 ssa: aeaaansarseaassas ssaassasaav�• as rsa= ssaamsaea =aasrsa+•vsammasm.aras usss�sraaa :as:rs :ssaaas: 10. 00 YEAR RAINFALL INTEN9Z TY 4 ZNCH /HOUR) = 1.947 SOIL CLASSIFICATION IS "A" SZNGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .6$85 SUBAREA AREA { ACRES) 62" . 50 SUBAREA RUNOFF 4 CF S) = 3.35 TOTAL AREA4ACRES) = 7.70 TOTAL RUNOFF4CFS) 11.7& TC4MIN) = 19. -Ai ��e• ter. +rx+eu �� •�r •u•�e•ae• � � �rx•u �r +r k•k � w•� � x•�e•� arse ��+tar+rie•+r ata••w��� � �e ac+�ir � �e+t •t•0t� ��t ��e•�•Kie ie•a� w•� � �irie•x� stir � FLOW PROCESS FROM NODE 40.eO TO NODE 40.:0 IS CODE s 8 ---------------------------------------------•------------------------------- )))))ADDITZON OF SUBAREA TO MAINLINE PERM FLOW44444 smasraasa. �asaasasasssss a= aaaaa: sa= asss aa.. �asrs sxasssasvara. sa asaa :.staasase_- aassssaaraaaassaa 10.80 YEAR RAINFALL INTENSITY4ZNCH /HOUR) = 1.9 ® SOIL CLASSIFICATION IS "A" SZNGLE- FAMILY41.•4 ACRE LOT) RUNOFF COEFFICIENT = .6885 SUBAREA AREA4ACRESI 4.00 SUBAREA RUNOFF4CFS) = 5.36 TOTAL AREA (ACRES) = 1 1.70 TOTAL RUNOFF 4CF3) = 17.08 TC414IN) = 19.40 �1r�e�•�� ae+s �t•�0•�c �r u•+rar � �r+rar+e• ar•k+r�t•+t �t+e+r «• ie «•�e�•�rr.e+r �•atir+e+e•+o sic ieat�r �+c+rw+t•ae+e+c• �r�r � � u•�u•+a•k+�K+e+e �c�e+t+e+t �r�• )) > >) COMPUTE PZPEFLOW TRAVELTZME THRU SUBAREA (t { 4 < ))) > >t39ZN© COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) 44444 ssssssss ssssssaas: ssasas ssssassssassasssssssssssaassssasasasaaasassssa sssr�sa DEPTH OF FLOW IN 30.0 INCH PIPE IS eO.8 INCHES PIPEFLOW VELOCZTV4FEET /SEC.) R 4.7 UPSTREAM NODE ELEVATION = Ibc2- DOWNSTREA" NODE ELEVATION +* 1 E 13. 30 FLOWLENGTH(FEET) = 60.00 MANNINGS N .013 ESTIMATED PIPE DIAMETER(INCH) 30.00 NUMBER OF PIPES a I PZ PEFLOW THRU SUBAREA ( CFS) a 17.08 TRAVEL TZME (MZN.) _ . iei TC (MZN.) = 1 9.64 �r�•+ t•*•+ e+ r+ e�raearar�e +r�+r+rw+e�+e�n•+�•+r+r�����r� �e�at+r aa�aew •+r�►+eu�r�r+r+tae�r+e+�+e �ar�+e �r� iru•+e�rae ��e•ae+t �c•�r�rar�r �+r�•� FLOW PROCESS FROM NODE 40.00 TO NODE 40.00 IS CODE I ---------------------------------------------------------------------------- )))))DESZONATE INDEPENDENT STREAM FOR CONFLUENCE(4 sswssss =asasass.=ae :asssaaassaas -- - ssssssssaas= sssssssa ==sa=ssssssssaaasssasssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE; TIME OF CQNCENTRATION4MINUTES) a 19.54 RAINFALL INTENSITY 4 ZNCH. /HOUR) = 1.93 TOTAL STREAM AREA (ACRES) = 31. TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE = 17.08 +e•�twu•+�rt•a+t+r+t+e� car ic+t prat u�r it n•�t � �+e ar � u•� �c ic• ��rarar�ie+e��t�r+e�•�aear�r�aa �e+earic ♦e•a �e•w•it �t+t ir+t�r �rar �rx+r+e�rir w+t+e�+c FLOW PROCESS FROM NODE 40.3a TO NODE 40. 31 IS CODE a: 8 ---.-------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANAL YSZS44 4 < 4 sas arse :saassaaa :a :ssss seams ss aassaaa: aasasaaasasasaaass :assaasaaasmaeasaass=saaa ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ZS; SINGLE FAMILY (I /4 ACRE) TC = K* t 4LENGTH**3) / 4ELEVATION CHANGE)) **. ie INITIAL SUBAREA FLOW-LENGTH a 830.00 UP-STREAM ELEVATION = 123 . 00 DOWNSTREAM ELEVATION a 1:°29. ibitc ELEVATION DIFFERENCE a 13.80 TC - . 393* C 4 83o. 00+1 *3) / 4 f 3. 0Q+) 2 **. i 7e 13. Eoac -_ 20." YEAR RAINFALL ZNTENSZTY(ZNCH./HOUR) = 8.448 SOIL CLASSZFICATION 15 "A" SZNGLE- FAMILY 41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7a15 SUBAREA RUNOFF (CFS) S 4. '4 TOTAL AREA<ACRES) _ r:. TOTAL RUNOFF4CFS) a 4.e4 �! i!• liFilR�N61Fil1t1!!!!! 1! i! �!• il1Fi!• hiFRK�F! l�F1l1► ili► �k1 l�!' �l4tM1FililllililRilil�!• ilRilllititiFilK' �! �! il iFiF1lililik il �lx lFllilil iliFitio- FLOW PROCESS FROM NODE 40.31 TO NODE 40.00 IS CODE a 6 ----------------------------------------------------------------------------- ))) >)COMPUTE STREETFLOW TRAVELTZME THRU SUBAREA <4 ass aaasrssa --- aassaaaaasrasaasas :.s -sasr seaa saaaasssaa sasaa=aas :aassssssasr. amssarsaasaa UPSTREAM ELEVATION a 1&19.00 DOWNSTREAM ELEVATION I823.30 STREET LENOTH(FEET) = 530.00 CURB HEZGTH(ZNCHES) a S. STREET HALFWIDTH4FEET) = 18.00 STREET CROSSFALL (DECIMAL) a .82-70 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF a 1 **TRAVELTZME COMPUTED BUSING MEAN FLOW4CFS) a 4.e4 STREET FLOWDEPTH4FEET) a .39 HALFSTREET FLOODWZDTH(FEET) A 10.03 AVERAGE FLOW VELOC Z TY 4 FEET l SEC.) s &.90 PRODUCT OF DEPTHA VELOC Z TY = 1.12 STREETFLOW TRAVELTIME4MZN) = 3.05 TC(MZN) a 16.31 10.00 YEAR RAINFALL INTENSZTY(ZNCH /HOUR) _ e.163 SOIL CLASSIFICATION I "A" SZNGLE- FAMILY4114 ACRE LOT) RUNOFF COEFFICIENT - .7046 END OF SUBAREA STREETFLOW HYDRAULICSs . DEPTH(FEET) a .39 HALFSTREET FLOODWZDTH a 10.01 FLOW VELOCITY(FEET /SEC. ) - & 90 DEPTH*VELOCITY a 1. 1%2' ie��rxx�t����r�ric+ ��t�x�r�x�r�r�e* x�► �w�eir�r�e�ririe��e�r�► �s�iric�����a�► w�iuwirux�r�w��r�e�rw ♦r��r�sir�r�e�e�sr�+r�r C - - FLOW PROCESS FROM NODE 40.31 TO NODE 40.00 Is CODE a $ ------------------------------------------------------------------ - - - - -- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <( < << s: ss: sassa. asassssss ssaaass: aasaaassassssssasassssaassasassass :aaasssasssasa: 10.Oet YEAR RAINFALL INTENSZTY(INCH /HOUR) a E.t63 SOIL CLASSIFICATION IS "A" SIN8LE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT a .7046 SUBAREA AREA(ACRES) or £.:?D SUBAREA RUNOFF(CFS) - 3.35 TOTAL AREA(ACRES) s 4.60 TOTAL RUNOFF (CFS) a 7.59 TC (MIN) - 16.31 aracararatas arar arararar ar ararar ar ar arar at•araras ar arae arararas near � ar asararaearac arar ararar ar arar ararar ararar ar ar as arar ae ae �+� arae arasararar ae araras ar FLOW PROCESS FROM NODE 40. TO NODE 40.00 IS CODE a 1 ---------------------------------------------------------------------------- )))))DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE( <<<< sssssssasssssasssasss ssssraassssssmsm sass: saossssuarsa *ssssssss :ssaarssasasssssaa :s CONFLUENCE VALUES USED FOR INDEPENDENT STREAM ca ARE; TIME OF CONCENTRATION(MINUTES) - 16.31 RAINFALL INTENSITY (INCH. /HOUR) a £.16 TOTAL STREAM AREA (ACRES) = 4.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 7.59 a! ar arararr. sear as i!i! ar ♦. ar it as ar M i► a!•alar scats! a! ar as aras arararas scar as as ar ar R ar stars! as it arararar ar at as arar ar is ar it ar ar arararar araralarar FLOW PROCESS FROM NODE 40. 30 TO NODE Ott. SB ZS CODE a i i---------------------------------------------------------------------- - - - - -- 111)1RATIONAL METHOD INITIAL SUBAREA ANALYSZS<< <<< a*.vsae :as se :sass sassssass :aa :s�aes.�mroassrss :sssas sass :assa.:aaa :sssaaseaaassssmasasa ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 41 /4 ACRE) TC a Kar E (LEN6T!-H**3) / (ELEVATION CHANSE) 3 **.:=: INITIAL SUBAREA FLOW- LENGTH a 900.00 U{= �8TREAbt ELEVATION - 1 eZe5. 00 DOWNSTREAM ELEVATION s #.r. #3.30 ELEVATION DIFFERENCE = 11.70 TC - .393-Cl # 1. 70)r 2 .K.. 0 _ 10." YEAR RAINFALL INTENSITYSZNCH /HOUR) a x.348 SOIL CLASSIFICATION IS "A" SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT a .7 161 SUBAREA RUNOFF ( CFS 1 +s 4. 54 TOTAL AREA(ACRES) _ £.70 TOTAL RUNOFF(CFS) - 4.54 arasarar atararae is seat arcs ae as ar ar scar ar scar at ar ar ar � ar ar irarar at+tararar at � ar atat atatatat scar rr � acre � aratrtat �+t a! aracat arse arararat atatat+rararit FLOW PROCESS FROM NODE 40. 00 0 TO NODE 40. 00 ZS CODE 1 11)))DESZGNATE INDEPENDENT STREAM! FOR CONFLUENCE-<<44 )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES( < <<< sass :rsresasassaaasssrssaar. ssarsoramssrrsassasssaessr: eassasaasrswassaessaaassresasssssr :r c CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION<MINUTES) a 14.2* RAINFALL INTENSITY ( INCH. /HOUR) TOTAL STREAM AREA (ACRES) a E.70 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE a 4. 5-` CONFLUENCE INFORMATION; STREAM RUNOFF TIME INTENSITY 1 17. " 19.64 1. 935 E 7.59 16.31 e. 163 3 40. 1 4. el-B .a.. 3 449 RAINFALL INTENSITY AND TIME OF CONCE RATIO FORMULA(SRC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: E7. 61 s -5.96 e3. 53 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWSs RUNOFF (CFS) a E7.61 TIME (MINUTES) a 19.635 TOTAL AREA (ACRES) - 19." �ew�►ie•�+� �«•�+t+c�r+r�t+t���r �tt4e+s+e•+e+��►�t�e�t+e•+� a+r+e+c ���c w•� arm �+t+a�+ra�+r+r�t•�� �e �t�r ac•ac ae �t aewn•�ris ae �t•+e �s4ta��tit+t+t+t FLOW PROCESS FROM NODE 40.00 TO NODE 59t. eet I CODE a 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA{(( {{ >)) >)USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW){{{{{ sssssaaaaasss :sassaasssasaasasssaaa :seas aaaasaaaRSaa sarasassaa saasaTasaasssasrsas DEPTH OF FLOW IN Efs.0 INCH PIPE IS 19.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - let. 1 UPSTREAM NODE ELEVATION a li:-�13.30 DOWNSTREAM NODE ELEVATION a 121 et. 14D FLOWLENOTH ( FEET) - &(2 0. ete2t MANNI NG j N a . 013 ESTIMATED PIPE DIAMETER(INCH) - i NUMBER OF PIPES a 1 PIPEFLOW THRU SURAREA(CFS) a E7.61 TRAVEL TIME(MIN.) a .33 TC(MIN.) ar 39.96 +�+air+e�tie•�t+�•ae+e•+er.+ cat+ r�e•ir�+�fr+ear�ie•ie•�t•ae•ric +e+e•reit+e•xitr. rt+ rw•4r•K•+r4a+t4e•4titirac�t•i►. iFit464k it�ta latit�ti!♦!iFir+t•K+tir+t•r. ib FLOW PROCESS FROM NODE 50.04a 449 TO NODE 50.00 0 I S CODE 3 ))))) DESZQNATE INDEF•ENDENT STREAM FCR CODtFLLfE'NCE d { { { { )>)>) AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES { :: { amass saassaa aaaraarrasa aesraasssarssaa aeassarsras Q rrsys arr..ssrs+se•.asraa•s a.s:.rrc a m aarar r. _rr. _s a »a» a >s•ssa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I ARE: TIME OF CONCENTRATION(MINUTES) s 19.96 RAINFALL INTENSITY (INCH. /HOUR) - 1.9; =_ TOTAL STREAM AREA (ACRES) - 19.0424 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE _ is .61 CONFLUENCE INFORMATI STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN_) (INCHIHOUR) 1 Ze7. 61 19. 1 . 91 E RAINFALL INTENSITY AND TIME OF CONCENT RATIO FORMULA (SBC) USED FOB' 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: .^_7. 6l COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) a E7.61 TIME (MINUTES) 19.96- TOTAL. AREA4ACRES) a 19. ass ss uaaas• sassss: s.- m» sassaa. scarasssrarvrsrs :ac�s�rrszssrs -r »s ».�:sc.- .�.= asrsassrs.•ras ss: END OF RATIONAL METHOD ANALYSIS �E c m h e 9 po"WAO.0-0 4c/ CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE JOB NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS DEC.,1986 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINE A LATERAL TO INTERIOR STREET FROM NODE 40 TO NODE 50 (USING COMPUTER- ESTIMATED PIPE SIZE) * Q 25 *REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 --- sirsassseasmssaassaaa ,aasae.�ssasaraa+.•aaseaaa,ss saasaa�snraraassassxnaa aaaeeararacaax•.msss.� as.-• RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM .BASED ON SAN BERNARDINO COUNTY <S£rC) 1983 HYDROLOGY MANUAL ==: asssssraasarsas= smas* aasamassaassasus�raansrsrsasr ..sa :as:sa.ssas• as .— s= sasseras•.rrss :s :aafe+easss �• << < << < <t< << (4<(<<< <<< < < 4 < < 4< < < < < < 4 4 << 0))))>)>> >>)) >> >>) >.%) > <C1 Copyright 29$i2 Advanced Engi neeri ssg Software cAES3 Espevi a2 2 Y prepared for: HALL A FOREMAN,, INC. *-w* **-***DESCRZPTION OF RESULT$+r*+eae*at*�re�c�rarK �r+ txieit�rirxar +rrierae+r+r�a+eirie rir+rr icir�e•ic�e K x * LINE A — LATERAL TO BANNING STREET r +� 12 ?5 +c +t AHMED SHEIKH,, J. N. 3366,, �+t•Kre•w�t+a�t�e•�c• �� a �r �ie•ae �t•ir �t•u it�r «•ao- ar+r+t•�t u•�t• �+e �e•+t•+r+e•+rat•*•at•�t•+e � it �e• � *•«• •K+e•ar+r ir+e••K•�u•+t+t+�•�•� ie• ir+r+t it �+a �it+r+r ie•�r --------------------------------------------------------- USER SPECIFIED HYDROLOGY ANf) HYDRAULIC MODEL INFORMATION: USER SPECI STORM EVENT(YEAR) $ a5.00 SPECIFIED MINIMUM PIPE SZZE<ZNCH) 16.$0 SPECIFIED PERCENT OF GRADIENTS {DECZMAL) TO USE FOP FF:ICTZON SLOPE 10 —YEAR STORM 60— MINUTE ZNTENSZTY4ZNCHIHOUR1 .980 100 - -YEAR STORM 6 MINUTE ZNTENSI <ZNCH/HOUPF = 1. 4710 710 COMPUTED RAINFALL INTENSITY DATA: STORM EVEN — e5. 0¢2w 1—HOUR I NTENS Z TY < I NCH1HOUPR a 3. 3 5EO SLOPE OF Z NTENS Z TY DURATION CURVE _-- .6000 BBC HYDROLOGY MANUAL "C "— VALUES USED {<{{{{{{{<{{{{{{{{{{{{{{ yy}} y}}} } } } } } } } } } } } } } }} } },� } } } } } } } yy} Advonced Engineering Softwa ve [AES3 SERIAL No. A01580A REV. 3.1 RELEASE DATE: 5101/85 {{{{<{{<{{{<{{{{{{{ { {{ < {{{ <{ { {{{{< {{ {,; } } } } } }y} } } } „ > } }.`r } } } } } } } } } } } } }.`r } } } }} }) �t�t �+c+��t+t� �ea��t�•�e � it � �r it+r it•�r+c gar. �e•it x• x•w• ar+t u•�e• �•r. •k x•+c ae• •it �r �•t• •K •rt ie•ie +► �s•r. +c r�ir+�+r it+r it is •k+t �►.• �r it+ex �rsat�t�r�rae �• FLOW PROCESS FROM NODE 40.10 TO NODE 40. 10 I e CONE LZ )tt)) RATZONAL METHOD INITIAL SUBAREA ANALYSIS <{ <<{ ®aeaem. Asa¢. s: rssvaaessm: sssaa: sasasrssrsraanasz- rssa+• �• as: as :sssasaa= .= �•_as.ars..r. —s =s= =ss= aesrsssss __ -_ ASSUMED INITIAL SUBAREA UNI FORM DEVELOPMENT IS: SINGLE FAMILY (314 ACRE) TC a K*E <LENGTH**3 )1 < ELEVATZON CHANSE1 3 **. E: INITIAL SUBAREA FLOW—LENGTH — 3ec�ac''�0.00 UPSTREAM ELEVATION — 12%36.00 DOWNSTREAM ELEVATION = 12 -0 %4. E ELEVATION DIFFERENCE — 11.130 CrD. WW V G14fV AM tkLMS f Y S Ir4t; /MUUt1) - w. 63d4 SOIL CLASSIFICATION IS "A" SINGLE - FAMILY t 2 /.4 ACRE LOT) RUNOFF COEFFICIENT = .7306 SUBAREA RUNOFF (CFS) 10.01 TOTAL AREA (ACRES) = S. &O TOTAL RUNOFF (CFS) - 20. oa2 �' +rir�+r• kit•+ e�► re�ra �a► �e•«-+ c•+ rar+ c+ �• K�• u+ e• a►+ e+ aarr. a• K• �r+ c+ ru•+ a�• �• at•+ r• kie�sir�• re• ae• +r�•�ear�e•�s�r�►•w+r•�•�t�cae• arse ••k•�•r.•K•k•+rirx•+f�a►iri►�t• FLOW PROCESS FROM NODE 40.30 TO NODE 40.aO IS CODE 6 )))))COMPUTE STREETFLOW TRAti'ELTZME THRU SUBAREA((((( smrssrssssrsasssarsarasseaasrrsssassaaaamrsirssAM= .aasaaX=W=W AW.MVW.= mssssaaarraaaLSSSS -sssss UPSTREAM ELEVATION +* 3 4. et DOWNSTREAM ELEVATION = 3E13.46 STREET LENGTH ( FEET) 888. 0 CURB HE I GTH (INCHES) s 5. STREET HALFWZDTH(FEET) = 38. STREET CROSSFALL(DECIMAL) _ .0140 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF •= 2 **TRAVELTZME COMPUTED USING MEAN FLOW(CFS) a l et. 01 a **STRFETFLOW SPLITS OVER STREET- CROWN -***.• FULL DEPTH(FEET) _ .39 FLOODWZDTH(FEET) S. 042t FULL HALF- STREET VELOCZTY(FEET/SEC.) s 3.20 SPLIT DEPTH(FEET) _ .32 SPLIT FLOC +DWZDTH(FEET) SPLIT VELOCITY(FEET /SEC.) - e. 243 STREET FLOWDEPTH(FEET) _ .39 HALFSTREET FLOODWIDTH(FEET) - 28.00 AVERAGE FLOW VELOCZ TY (FEET/SEC.) a 3.10 PRODUCT OF DFPTHAVELOCITY - 2. e e STREETFLOW TRAI.'ELTZME (MZN) - 4.30 TC (MIN) 19.4a ,25. 00 YEAR RAINFALL INTENSITY ( ZNCH/HOUR) SOIL CLASSIFICATION IS "A" SINGLE - FAMILY (2.r4 ACRE LOT) RUNOFF= COEFFICIENT •_ . 7# le SUBAREA AREA ( ACRES) s G. 0o SUBAREA RUNOFF (CFS) r 0. 04 S UMM ED AREA (AC RE S) 5.&0 TOTAL_ RUNOFF (CFS) _ # 0. Qt # END OF SUBAREA STREETFLOW HYDRAULZ DEPTH(FEET) _ .39 HALFSTREE7 FLOOF:WIDTH(FEET) 18.0et FLOW VELOCITY(FEET.ISEC.) A 3.10 DEPTH *w'ELOCZTY = 1.80 aear�eae *ae+eae�earar aearar sear * ar * * ar ae•ie ae ar ar * ar+e ar ararar *arar ie �* ar ar+e+r+t+e•ae �t•ar ar ar+e * ar ar ar ar ar ie• arar+e * ic•+c -•r. arar+r *+r ar ar re it •r. +r FLOW PROCESS FROM NODE -40. o2 0 TO NODE 40.i-'_0 IS CODE = 8 )))))ADDZTZON OF SUBAREA TO MAZNLZNE PEAK FLOW<< ( sss= saoraamsasassrmsssaassss� .arsas�r «. -ss. �srsrssaa.�rssss.sr� r.=rrrs.�: casrsrrrrras.== =ar.�.ss = zcsa.::. E5.00 YEAR RAINFALL ZNTENSZTY (ZNCH/HOUF2) *= E, L 67 SOIL CLASSZF=ZCATZON IS "A" SINGLE- FAMILY (2/4 ACRE LOT) RUNOFF COEFFICIENT = .711a SUROCiREA AREA(AC - PES) S. 50 SUBAREA RUNOFF ;CF'S) - -4.403 TOTAL AREA(ACRES) += 7.70 TOTAL RUNOFF (CFS•) 14.0-If '[•C(MIN) - 39.4e aeaeae* ar�►•aeae at * ae+tar+e * ar at M• ar * ar *ar ar+t ar arie *�e•ar ie•* ar aear+e a!•+e ar.•al. ie a!•ar *fe a�ie• ar•n• *ar ar * ie * ar ar ** �e ie+e ar * �e•r. +e arar * a:•a!•�t•ir •�e FLOW PROCESS FROM NODE 40.,'.21A TO NODE 4e2t. iE!0 IS CODE � f{ )))))ADDZTION OF SUBAREA TO MAINLINE PEAK FLOW((((( AW-WiW "-w LTV .1 v= V Sassa Ya .=47=== ==x V. ===_S=ja- vw=sss = Ta.=s = a.r =.c=.sr=C_ = == =.-r. == =err_s�ssrrs�.s s� 25- YEAR RAINFALL ZNTENSITY ( INCH /HOUR) r c::. E67 SOIL CLASSZFICATZON 19 "A" SINGLE- FAMILY ( #,'4 ACRE LOT) RUNOFF COEFFICIENT - .711 _ SUBAREA AREA (ACRES) s .4. 00 SUBAREA RUNOFF (CFS) - 6. Jt5 TOTAL AREA ( ACRES) 11.70 TOTAL Rt tNOFF ( CFS) _ a0,49 TC(MZN) = 29.42 aeae�earu * * ar a►aer.•re+e * n•�•�e•arie• ar ie ar ie ar * * * ar arse *arar+e aratar ae+t ar arar ar * ar ar ar+e arar it ar a•+e•+e ar ar ar * ** ar ar+e•+e arw•�e• * ar ar ar ar it �e a� )))))COMPUTE PZPEFLOW TRAVELTZME TFLRU SUBAREA < <<(< )))))USING COMPUTER- ESTIMATED PIPESIYE (NON- PRESSURE FLOW) << < << ssassssaassasassassassssaaararssaaaass :sssaaauesarsasara ssae sarassaasr Lassa sstsarsmrsa or tsars DEPTH OF FLOW IN 30.9t I NCH PIPE 19 .gar. fs INCHES PIPEFLOW VELOCITY(FEET /SEC.) a 4.8 ® UPSTREAM NODE ELEVATION DOWNSTREAM NODE ELEVATION - fE #3. 3D FLOWLEN©TN (FEET) = 60.00 MANNINOS N .013 ESTIMATED PIPE DIAMETER(ZNCM) 30.00 NUMBER OF PIPES = i PIPEFLOW TMRU SUERAREA<CFS) _* .•G.gt. a TRAVEL TIME (MIN.) _ e TC (MIN.) _ 19.63 �e�r�eie •+rK+r�ar�e•aew•+r+ck�e•K+aa ie w•ir ae ar+r+r+t �•u•�t�aaar+r a+e ie•�tae• at � ate ar •r ir+r �+r+t�r+c•u u•+t•k+e �r i►+r �r�• ac �e•+t+k •K••k+t+r �e•�t �•�►• x it FLOW PROCESS FROM NODE 40. 00 TO NODE 40. eet IS CODE _ # --------------------------------------------- •----------- - - - - -- ---- - - - - -- - - - -- )))))DESZONATE INDEPENDENT STREAM FOR CONFLUENCE < < < << sarssrsaeassssasssss=ssssara=a rasa= rar= ar= s+. asa samssams��sssssas:saa._.rmxss�- cams»•= as.= _.aaraaasasssss�•z. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM # ARE: TIME OF CONCENTRATION(MINUTES) _ 19.63 RAINFALL INTENSITY (ZNCFL. /FLOUR) = E.ES TOTAL STREAM AREA (ACRES) _ 11. 74ZI TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE a :-0.49 �l�NQ�RI! N 1! �!�!'1!• iF iF •!•'1! iFi! ik iF it ik N• iP iR ik �! i! i!1!• iF'1! iF 1F iF iF N �k i! ih �! it 1! 1► �!• 1! iF it if •IF 1! 1F i!•1! •M` •M 1! i! iC i!••it• X• •Y.• iF 1F i! i! i! iF i! •K• �E• iF •IC• iF is �!• FLOW PROCESS FROM NODE 40. 32 TO NODE 40.3 # IS CODE = E )))))RAT METHOD INITIAL SUBAREA ANAL. YSZS< << << aasssaarasa =srastssmtaaetsar ssrarasassa sm sa+aaraeasaasssmaaassss arssssas.:. asrs_ra - assaas.=s= arrsrs sea - sar..asa ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ZS: SINGLE FAMILY <1/4 ACPE) TC = m*C (LENR- TH**3) / (ELEVATION CFLANfE) l**.. =: INITIAL SUECAREA FLOW -- LENGTH - 830.00 UPSTREAM ELEVATION = I 213e. 00 DOWNST ELEVAT =• # E 19. 00 ELEVAT DIFFERENCE = 1 3.042t TC +r . 393*C < 13. E6E 5.00 YEAR RAINFALL ZNTENSITY(IN /L{OUP.V _ e.850 SOIL CLASSIFICATION IS "A" SZNGLE- FAMZLY (# /4 A C RE LOT) RUNOFF COEFFICIENT ar . 7396 SUBAREA RUNOFF MFS) = 5.06 TOTAL AREA< ACRES) = e. 40 TOTAL RUNOFF <C:FS) = 5. aC ae�r�aeacat�eiearatwr . * *•r. •e*x *x*%**41..**+ **.***.* *•+ter ir+rKitu *u+ t+ c***.* 4p. ie•** ****•a***•r.itit*•4p.6it.*4t-i. -* FLOW PROCESS FROM NODE 400.31 TO NODE 40. 00 IS CODE - 6 )>>>) COMPUTE STREETFLOW TRAVELTZME TFLRU SUBAREA < < < < < s sear: ssrs aeassasssssasasmsavasasss.rar seers arrrma++saaassssass- r..a:.vas= asasamr_.assrr= e- r.= ss.- srsasa -sass UPSTREAM ELEVATION = l #9.0421 DOWNSTREAM ELEVATION is 23. 30 STREET LENGTH(FEET) 530. (tit+ CURB ME I GTFL < I NCMES) s S. STREET FLALFWZDTFL(FEET) _ 149, STREET CROSSFALL <DECZMAL) _ , eOE7O SFIECZFZED NUMBER OF MALFSTREETS CARRYING RUNOFF : # **TRAVELTZME COM US INC3 MEAN FLOW <CFS) :e 5.06 STREET FLOWDEPTFL / FEET) - .41 HALFSTREET FLOODW Z DTFL ( FEET) •a 11. AVERAGE FLOW VELOCITY /FEET /SEC.) _ &ts PRODUCT OF DEPT FLR VEL OC Z T Y z 1.19 STREETFLOW TRAVELTIME /MIN.) ar. 3. TC /MIN) s: 16.33 LS.RB YEAR RAINFALL ZNTENSZTY <ZNC -N /FLOUR) = E•.535 SOIL CLF4SSZFICATION IS "A" rsttrtaety N retK <Ftt:►tt2s) a ie . 440 't't T(4L kUNOFF (CF — 5.06 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTHtFEET) a .41 HALFSTREET FLOODWIDTH {FEET) a # #.R4 FLOW VELOC I TY ( FEET /:SEC.) — . &Cs DEPT He VELOC I T Y — 1.19 �ie�s�r�r��tirw��s• k�r�r�rir�«• ir�r�r�ar�r�eir��ir���e�e��i rir�a• �s �rir�rse�r«• tr�e�r�r�r• k«•«• �r«• ie• ir�irx •�rxir«•+�r«•irxirir+���rr. •k�r! F PROCESS FROM NODE 40. 3# TO NODE 40. Bdt IS CODE i- 8 ---------------------------------------------------------------------- - - - - -- ))))) ADDI TION OF SUBAREA TO MAINLINE PEAK FLOWfff {f =sssss :assssssaassassss sasaesssssas asasrsssras asmsaa.aas :mssnesaaa asaasaaaasmsra.� e5.00 YEAR RAINFALL INTENSITY4ZNCH /HOUR) a 2.5 15 SOIL CLASSIFICATION I8 "A" 9INGLE— FAMILY <1 /4 ACRE LOT) RUNOFF COEFFICIENT — . 7E5O SUBAREA AREA (ACRES) +* IS. Z* SUBAREA RUNOFF {CFS) TOTAL AREA tACRES) a 4.59 TOTAL RUNOFF(CFS) 9.4*7 TC (?4ZN) — 16.33 ��e+ r�«•«• x• K«• �e+ca�«•ae«•+r+r+r«•+�«•+�«•.e+ ear«•«•+ e+f«•«• �«• �r+ e«•«•«•+ r«• fr+ �«•+ r«• .r+t+a+�+tir«•�e ««• «+e•«•�earr. «•i►��«•a�+r•x•+r•� «•�«• FLOW PROCESS FROM NODE 40.00 TO NODE 4 0.0G IS CODE a 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE{{{{{ �s sasarstssaarsaesrssaassasasar saaaasr. saarssasaesaesssaasasr seasasrsaaas .:sssassasmessasasssas CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i ARE: TIME OF CONCENTRATIONfMINUTES) s 15.33 RAINFALL INTENSITY {INCH. /HOUR) — E. 5 TOTAL STREAM AREA ( ACRES) Am 4. set TOTAL STREAM RUNOFF {CFS) AT CONFLUENCE — 9.07 aracarraraceae«• ar « ararace eeeareee« eee ee«• eeeareare «•eeeeeaaear«• «eae « «•ee «Grace «eeerara►eeeear+rararar -- FLOW PROCESS_FROM NODE 404a. 30 TO NODE 40. Oka I S CODE m )))))RAT METHOD INITIAL SUBAREA ANAL. YSIS{ { { {r, t�satsiaaaraaasaerassaasaaamaaasssaar. Gass: asasasarsaasa3sssssnsassaas --rr zs•.rsrssss= ssssaamasas. :ss= ASSUMED INITIAL SUBAREA UNIFORM DEVELOIr"ENT If=s: SINGLE FAMILY 41/4 ACRE) TC — KeC {LENGTH«•e3) / {ELEVATION CHAN8E) 3 **. e INITIAL SUBAREA FLOW -- LENGTH — 900.00 UPSTREAM ELEVATION r le e5.00 DOWNSTREAM ELEVATION — # e # 3. 30 ELEVATION DIFFERENCE m 11.70 TC — . 393 - E f — 1-4. e # 9 e 5.00 YEAR RAINFALL INTENRI TY { INCH.e — ie. 7:33 SOIL CLASSI IS "A" SINGLE— FAMILY ( 1/4 ACRE LOT) RUNOFF COEFFICIENT — .7349 SUBAREA RUNOFF f CFS) S. 4iE TOTAL AREA {ACRES) — c.. 70 TOTAL RUNOFF {CFS) - aeac+ raeae «•eaearareaeearara►.•e «•e «• ere «eaeeear«• ace«• eae«•«•« eaeaeearearare ««•e «• «• «arsear « «•arearar «•r. arse «• «•arar «eGearearar FLOW PROCESS FROM NODE 40. 04LI TO NODE 4et. vltO I S CODE _ # )))))DESIQNATE INDEPENDENT STREAM FOR CONFLUENCE{ {f )>)>> AND COt4PUTE VARIOUS CONFLUENCED STREAM VALUE..s• f f i f f saasara :asr sasssrssss ara :asa :amaa a asaaaaararsemasrasr�snrrms . :r..sr3• s s r. rmr aaa saaaasearrs t® CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION {MINUTES) m 14.e RAINFALL INTENSITY f INCH. /HDUFr) +Q 2.7a TOTAL STREAM AREA {ACRES) — i.70 TOTAL STREAM RUNOFF AT CONFLUENCE 5. CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY 2 e. -►9 19.63 :?.:5e 9.07 16.33 E. 515 3 5. dfe 2 . 733 RAI NFALL INTENSITY AND TIME OF CONCENTRATION RATIO? FORMULA(SRC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 33.07 3 1. 10 i8. 16 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 33.07 TIME (MINUTES) 19.631 TOTAL AREA(ACRES) — 19.00 �w�ta�r�ear�e�r+ ��r�«• �t�e« a+ �«• ir�e�� «•�r«•«•«•«•u«•+e��ar�a�*•�e x«•«•�r+ ter«•«• ar«•�e�«•«•�r«•�+►+r«•�r«•ir•ir •k+r�r+tir+t•�s«•«•�r•K« FLOW PROCESS FROM NODE X40. Oek TO NODE 50.00 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTZME THRU SUSAREA {({{{ )))))USING COMPUTER— ESTIMATED PIPESIIE (NON— PRESSURE FLOW) (<((( aaasssasaasssasaaarssssssasss ssass :s sssssaass :asssasr srasrsssssasssswr m•.•r aesrs :s Tsr ars DEPTH OF FLOW IN 62-7. INCH PIPE IS 19. INCHES PIPEFLOW VELOCITV(FEET /SEC.) = 10.8 UPSTREAM NODE ELEVAT = 14-'-13.30 DOWNSTREAM NODE ELEVATION = 2 ::1 +a. 10 FLOWLENOTH ( FEET) = E00. 00 MANN I NGS N = . 013 ESTIMATED PIPE DIAMETER(INCH) _ e7.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SURAREA(CFS) 33.07 TRAVEL TIME (MIN.) _ .31 TC (MIN.) 19.94 mac«• a+ e+ ea�c�t+ ��r�t at«• Kir«• ara r+ r+ r+ r+ a+ c�K�e«•«• �r«•«•«• rr• rr«• ir« • c�r�r•►«•«• it «•«•ir+c«•«•n «•xit+ricar «•«••r. it «• «• «•«•«•at�r«•it+c�•r. «• FLOW PROCESS FROM NODE 50.00 TO NODE 50.00 IS CODE r 1 10 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENC•F < < < << ))) >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<(< saaassssssssassaasasssa sasssssa sssssirs sm ssrss to sra ers sr sa.•s.srrr.ssr�ss.a aasrars.rTrsa.ararrc CONFLUENCE VALUES USED FOR INDEPENDENT ST REAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.9 RAINFALL INTENSITY ( INCH. /HOUR) •_ :_. E3 TOTAL STREAM AREA (ACRE S) or 19.00 TOTAL STREAM RUNOFF(C:FS) AT CONFLUENCE 33.07 CONFLUENCE INFORMAT STREAM RUNOFF' TIME INTENSITY NUMBER (CFS) (MIN. ) (INC•H /HOLAR) 1 33.07 19.914 2. 31 RAINFALL INTENSITY AND TIME OF CONCENTRATI RATIO FORMULA(SBC) USED FOP 1.STREAMS. VARIOUS CONFLUENCED RUNOF =F VALUES ARE AS FOLLOWS: 33.07 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS.- RUNOFF (CFS) = 33.07 7 TIME (MINUTES) = 19.939 TOTAL AREA(ACRES) = 19.02+ saamrasssaa .=aafsaaeasaassarassasr sasm+: ss+ mmsrar: �srmae�s •ms:�.araa.- sarsaraasmr• mrsar.,xcz:= as= �r=asasasssr. END OF RATIONAL METHOD ANALYSIS la h & er pov,04� 9/c gVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY " E JOB NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS DEC.,1986 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINE A LATERAL TO INTERIOR STREET FROM NODE 40 TO NODE 50 (USING COMPUTER- ESTIMATED PIPE SIZE) * Q 100 *REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 sssasssasssa= ssssssaysamassrss�msnsss. rr: s:. suessssssssacsr ,eeitssssaaesarsrrss :ssssssssar RAT IONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN &ERNARDZNO COUNTY (SRC) t9e3 HYDROLOGY MANUAL ass �eaa�+sssassss+ss ass: sssssssaw�as r= s.�a.�sssssrss :.vasssss.�s s�.sssssssssssssssssssa 444 (4 4 444 4 4 4 «<<(<<<< c( c{(({(({({{((({))))))) ))) }))))))))} }})) } } } } }))))))))) (C) Copyright 2981: Advanced Engineering Software EAES3 E s p e c i a l l y prepared for: HALL & FOREMAN, INC. <ec444<44« 444444444444444 44444<{{( e{())))))) }} } } } } } } } } } } } } }} } > } > } } } } } } } } })) *�*e«*r ««u+e�«DESCRIC+TZON OF REStiLT9�r�e«+ r++ r«« �r+ e« �r« ir«« ic+ eir�c+ c««« it«+r««+r+c�rar�tea►re«+t«rc�t+e +► LINE A — LATERAL TO BANNZNG STREET r *t Q f tr « AHMED SHE Z KH, J. N. 3366, 2 i / k 186 *o- + c+ �e+e ««•«e�r«•«•eae+cir+t+t+e•ir «•ic«•+rarir irK «+r �«•ie «•«•«•+r.r+r «•+r�r «•«•+r+e «x sir ar•u•,e«•«••�r�r+�,t«•k +ear «•e+t«•«•«•«•+r+�«•�i►aa+�r -------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY — AND HYDRAULIC — MODaL — I NFORMAT Z ON ---------------- USER SPECIFIED STORM E VENT ( YEAR} 100.00 SPECIFIED MINZMUM PIPE SZZE(ZNCHY 18.00 SPECIFIED PERCENT OF ©RADIENTS(DECZMAL) TO USE FOR FRICTION SLOPE .95 20 —YEAR STORM 60— MZNUTE INTENSZTY(ZNCH /HOUR) .980 100—YEAR STORM 60-- MINUTE I NTENS Z TY (Z NO.H /HOUR) 1.470 COMPUTED RAINFALL ZNTENSZTY DATA: STORM EVENT a 100.00 t —HOUR Z NTENS Z T Y (Z NCH /H0UR) _ 1.4700 SLOPE OF ZNTENSZTY DURATION CURVE _ .6000 S&C HYDROLOGY MAt4UjPTL "C "—VALUES USED Advanced Engineering Software EAE93 SERZAL No. A0580A REV. 3. t RELEASE DATE s 5/441# /85 Kas«•*e wit �!«• ae* t•* o-�t�e��r�ta�eataFat «•«•+r «•+!«•+r+t«•«•+e« ae*r «�ttlre w• «•ae� ««•�ar+ewit�s Aril �e�t«•« «• «•rt «•«•+t+s+r•k�r«•� «•«•«•+r «• FLOW PROCESS FROM NODE 40.10 TO NODE 40.10 ZS CODE -------------------------------------------------------•--------------------- )) }))RATIONAL METHOD ZNZTZAL SUBAREA ANALYSZS < < < << ssasesArssssrasssss�ss�ss�srs. Asa, �sssaeassms .�ssaaesssssesssassssss stsssssssrasasmrssass.�ss ASSUMED ZNZTIAL SUBAREA LWZ DEVELOPMENT IS.- SINGLE FAMILY 42/4 ACRE) TC a K* C (LENGTH**3) / (ELEVATZON CHANGE) 2 **..:: INITIAL SUBAREA FLOW—LENGTH A 2000.00 UPSTREAM ELEVAT ZON — lac-136. TC A . 393a [ S 2 E2 1400.00 YEAR RAINFALL INTENSITY 4 ZNCHfH0UR) 3.361 SOIL CLASSIFICATION IS "A" SZNGLE- FAMILY ( 1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7564 SUBAREA RUNOFF 4 CF S) = 13. E2*2 TOTAL AREASACRES) 5.20 TOTAL RUNOFF4CFS) = �! M• R �!•�!•i! iN! 1liFQt �!•�! �!�! M �!'iFrl• �! 1! �F 1F �!�!• �F �! �!• •IE •t•it 1F4F'1! 7! �! �! itN• �!'�!•�! 1N'1! •1! �! it IF •It 1F1t• N• �! it 1F �F �!• � i!• •IF iF �! iF iF iF i! i! �! �t �! i! i! 1!•M• 1! •M• FLOW PROCESS FROM NODE 40. let TO NODE 4Qt. ee IS CODE = 6 ---------------------------------------------------------------------------- )))) )COMPUTE STREETFLOW TRAVELTZME THRU SUBAREA(4S4f ss :sas=sasass:aa asaaeaa :saaaas+sa wa sasa :aar :sasaaa�r : :aasa :aarasss sasaaa :a :aaasrr UPSTREAM ELEVATION 18. 0 DOWNSTREAM ELEVATION = 1.x.13.46 STREET LENGTHSFEET) aeo." CURB HEIGTH4INCHES) = 6. STREET HALFWZDTH(FEET) = 18." STREET CROSSFALL /DECIMAL) _ .0140 SPECIFIED NUMBER OF HALFSTBEETS CARRYING RUNOFF - 1 **TRAVELTZME COMPUTED USING MEAN FLOW4CFS) = 13. ***STREETFLOW SPLITS OVER STREET- CfWjWN*** FULL DEPTHSFEET) _ .39 FLOODWIDTH(FEET) = 18.0at FULL HALF- STREET VELOCITYSFEETfSEC.) +r 3.10 SPLIT DEPTH(FEET) _ .37 SPLIT FLOODWIDTH4FEET) 16.45 SPLIT VELOCZ a iR .87 STREET FLOWDEPTHSFEET) _ .39 HALFSTREET FLOODWIDTHIFEET) = 18.06 AVERAGE FLOW VELOC I TY ( FEET/ SEC.) = 3.142t PRODUCT OF DEPTH&VELOCITY = 1. E* STREETFLOW TRAVELTIME 4MZN) = 4.30 TC 4MIN) = 19.4;F 100*" YEAR RAINFALL INTENSITY4INCHfHOUR) a E.69E SOIL CLASSIFICATION IS "A" SINGLE- FAMILY /4 ACRE LOT) RUNOFF COEFFICIENT = .7413 SUBAREA AREAS ACRES) 0.00 SUBAREA RUNOFF 4 CFS) = Sit. etkl"t SUMMED AREA (ACRES) a 5." TOTAL RUNOFF 4CFS) = 13. a E END OF SUBAREA STREETFLOW HYDRAULICS; DEPTH<FEET) - .39 HALFSTREET FLOODWZDTH(FEET) = 1$.0424 FLOW VELOCZTY / SEC.) = 3.le DEPTH*VELOCZTY = 1.eet a�e•u•+t•��t•�e•r. �+ c• +ti►atit+rare•+t•at�t•�r+tu��e• tree•+ e�r�e• K�t�ta�r���t• it+ ta•+ �• k+ t+ e•+ tir+ e• �trarrrirx•+ e• ae+ r�• it• �e• x• aru•• K+ t•�t•it••�c+e•ir•�r•K•ae�c•+t+r FLOW PROCESS FROM NODE 40. TO NODE 40.E10 IS CODE 8 )))))ADDI OF SUBAREA TO MAINLINE PEAK FLOW 44SS4 aaaasaaesaraaraarasasaasases asaaas aaassasasaasmass ssaasas+ a. �+s raaaaasaaasvassa :seaaanraasasras. 100.00 YEAR RAINFALL INTENSITY4INCHIHOUR) _ 2.89 SOIL CLASSIFICATION IS "A" SINGLE- FAMILYSIf4 ACRE LOT) RUNOFF COEFFICIENT = .7413 SUBAREA AREA 4ACRE8) a 11,Z-. 58 SUBAREA RUNOFF 4CFS) a 5.36 TOTAL AREA ACRES) = 7.70 TOTAL RUNOFF 4 CFS) = 18. 58 TC(MIN) = 19..4, x•�e ar+c+r�•�exu•�►«•r.•a♦e• atK it � �r�•�r�• � •n•+e «•+r�t+t�t•�r �t+t�r•�• �rx•+r+e•u• ar. �•at •k+t+r+r+r � �e•ir � w•it w•+e+t •rr+e•ie ar+e•+e•ae �r ♦t+t�e••n••k it a�•ir+t+t FLOW PROCESS FROM NODE 40. O TO NODE 4fZt. E'dt IS CODE 8 ----------------------------------------------------------..------------------- )))))ADDITION OF SUBAREA TO MA INLINE PEAK FL0W44444 sas. raarsassss sasasass sss ® 100. dtdt YEAR RAINFALL ZNTENSZ TY ( ZNCHfHOUR) = E. 89 SOIL CLASSIFICATION IS "A" SIMBLE- FAMZLY41f4 ACRE LOT) RUNOFF COEFFICIENT = .7413 SUBAREA AREA /A(_'RES) = 4.00 SUBAREA RUNOFF SGFS) - 8.518 TOTAL AREAS ACRES) = 11. 7421 TOTAL RUNOFFS CFS) e7.16 16 TC 4MZN) = 19.4c• FLOW PROCESS FROM NODE 48. " TO NODE 48. 88 IS CODE = 3 ------------------------------------------------------------------------ - - ---. )))))COMPUTE PIPEFLOW TRAVELT THRU SU&AREA4(((4 )))) COMPUTER- ESTIMATED PIPESZZE 4NON- PRESSURE FLOW)44 {44 asssaassssssasssaas: ssaasssssss:: ssasssssssssssssssaissssasasasss :sssssaa :sasar DEPTH OF FLOW IN 36.8 INCH PIPE IS ie4. 6 INCHES ® PZPEFLOW VELOCZTY4FEET /SEC.) = 5.3 UPSTREAM NODE ELEVATION a fif3.46 DOWNSTREAM NODE ELEVATION - 1.x-13. 38 FLOWLENGTH(FEET) = 68.08 MANNZNGS N = .813 ESTIMATED PIPE DIAMETER(ZNCH) 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA ( CFS) E7. 16 TRAVEL TIME(MZN.) _ .19 TC4MZN.) = 19.61 ��eK• K«•«•« �e�rit« + �w�RU• �r�e+ �+ r+ r«• �+ r�r «•+r+r «•+t�r+�+�«•«•�r«•+r�r+ car «• «•+r��� «•«• ��«• �c«•« �r«• ar« •+e+tc «�rir«•�«•+r+e«•«�+a�e«• FLOW PROCESS FROM NODE 40.88 TO NODE 48.88 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE44 {44 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION 4 MI NUTES) = 19.61 RAINFALL INTENSITY (ZNCH. /!-LOUR) = E'. 88 TOTAL STREAM AREA 4ACRES) = 11.78 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE _ ::7.16 �r«• w+ t+ e�e��rieae����e�«• �rar«• �r�r«•�e�«•«•a«•+eae+t•+�«• «•+e ar«•«•«• K• w+ rie+ �«•+ r�rir�r«•+ r«• �• K«•+ rK�e+ �«• «irxrrir+e�irir+rar+r�ae«•ir FLOW PROCESS FROM NODE 40.3a TO NODE 40.31 IS CODE E ---------------------------------------------------------------------------- >))))RATZONAL METHOD INITIAL SUBAREA ANALYSZS4444{ aa.saaaaars ssamsas samamssaaasaaasasssssaa .�saasssaras sssrassxross as.�.s ssaasrasasssaatc• ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1/4 ACRE) TC = K -*t 4LENGTH *«•3) / 4ELEVATZON CHANGE) ? **. E INITIAL SUBAREA FLOW -- LENGTH 83e.00 UPSTREAM ELEVATION = 123e.00 DOWNSTREAM ELEVATION = 1E19.00 ELEVATION DIFFERENCE w 13.00 TC = . 393+1 t ( 838. 80+1« 3> r` 4 13. 88) I +t« . E - 13. E6.^_ 1 ".88 YEAR RAINFALL ZNTENSZTY(ZNCH/HOLfR) = 3.636 SOIL CLASSIFICATION IS "A„ SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7638 SUBAREA WJNDFF (CFS) 6.66 TOTAL AREA(ACRES) a L.40 TOTAL RUNOFF4CFS) - 6.66 «•uar�r«•«•u«• ««•+rat«•�+aae� •K«•,e��r ac+e«•� �r«•«•� «• �«•«•+ r« •«•«• «• «•�r«•.r «•�r.ris,r+r«•ir «•ac•rr+r «•ir«•«•+r«• «•«•ir«• ir•rr�e«•«•a�rr+r«•w FLOW PROCESS FROM NODE 4+a, 31 TO NODE 40.00 Is CODE = 6 ---------------------------------------------------------------------------- )))))COMPUTE STREETFLOW TRAVELTZME THRU SUEtt•?REA44444 UPSTREAM ELEVATION = lel9.08 DOWNSTREAM ELEVAT 1::13.38 STREET LENGTH(FEET) = 538. 80 CURE} HE Z GTH (INCHES) = S. STREET HALFWZDTH4FEET) = 18.88 STREET CROSSFALL40ECIMALY _ .8:78 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF •s 1 *-*TRAVELTZME COMPUTED USING MEAN FLOW4CFS) - 6.66 STREET FLOWDEPTH 4 FEET) _ .4-4 HALFSTREET FLOODWZDTH4FEE.T) = 1i. 8; AVERAGE FLOW VELOCITY 4FEET /SEC.) - 3. •1 PRODUCT OF DEPTHS VELOC Z TY = 1.4a STREETFLOM) TRAVELTIME (MIN) a e.75 TC 4MIN) 16.81 188. YEAR RAINFALL ZNTENSZTY(ZNCH/HOUR) = 3.e47 G r l AOQSCI T r%&l fG 4411" SUBAREA AREA(ACRESY 0. SUBAREA RUNOFF ( = 0. 04a BUMMED AREA(ACRES) = 2.40 TOTAL RUNOFF (CFS) r 6.66 END OF SUBAREA STREETFLOW HYDRAULICSs DEPTH(FEET) - .44 HALFSTREET FLOODWIDTH4FEET) - 1.x..07 FL OW VELOCITY (FEETISEC.) - 3.21 DEPTH*VELOCITY ar 1.42 rrw�a��r�w�rw�rir��e•• ��r�r�+ eir�ir�e• er��aie• �s�r�r�r��xer�► �r�e• er�rir�i► �r�r�e• ar�rirxxirxer•+ ��irie• �irrr�x •�eie•�tis•kx+��r��e�t�ru•+r FLOW PROCESS FROM NODE 40.33 TO NODE 40.00 IS CODE = 8 ---------------------------------------------------------------------------- )Y)t)ADDITI OF SUBAREA TO WtINLINE PERM FLOW44444 s= s= r= sarsrsr =srrrrrr =rrsara =arrrsrrssrrrs rrrrrrsssrssrssarssrraasrsrssssss rrra r 200.00 YEAR RAINFALL INTENSITY(INCHIHOUR) 3.:47 SOIL CLASSIFICATION IS "A" SIN©LE-FPJMILY41/4 ACRE LOT) RUNOFF COEFFICIENT - .7531 SUBAREA AREASACRES) r :?. 210 SUBAREA RUNOFF4CFS) r 5.38 TOTAL AREA4ACRES) 4.60 TOTAL RUNOFF {CFS) = 12.04 TC4MIN) - 16.0 1l �N4 �!i!•1!•Q •1!•i! i! �! •!•1! i!1! �t�! �!�!• R• �h �! it �!•�! iF �F iF�t �! 1t•i! iF �! i! �! 1N �!• R 1! 1F iF1!• 1!•�! 1! M• �! i!• i! #• i! �! i! il••1! 1!• N 1F �! i! is it •IC •1! �! a! itM• it •k it �t it flak FLOW PROCESS FROM NODE 40.00 TO NODE '40.00 IS CODE r 3 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE44 { {4 assesssssssanssassssassssse: s: aasaeassssss :aasaasssaassasssassss+as ssara :asssrasaas.� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) r 16.02 RAINFALL INTENSITY 4INCH.IHOUR) r 3.25 TOTAL STREAM AREA (ACRES) - 4.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE Ii.04 ',�l�R'•F�l�li!'�l�t•�F�l1l star le• it�l itiP�l u• N1l R�l �l it�l iF �l �Fa!• u•il 1F1lR1F�h1l ie• iFilll�!• ik�r �l �l itl!• �!• i! • 1! it lFitll ititi lililiFiF�liFlFiFiFitiFiFil�!• � FLOW PROCESS FROM NODE 40.30 TO NODE fief. 040 I S CODE A* i tt)) YRATIONAL ME THOD INITIAL SUBAREA ANALYSIS asssa�raessssssssssassaessassaa. a. �usmssaasAwJw=" aa s= s=sasass vr=.w=saasf�a ASSUMES? INITIAL SUBAREA UNIFORM DEVELOPMENT IS.- SINGLE FAMILY 4314 ACRE) TC - X*C 4LENGTH**3)1 (ELEVATION CHANGE):) INITIAL SUBAREA FLOW - LENGTH - 900.00 UPSTREAM ELEVATION r 12 5.00 DOWNSTREAM ELEVATION - 2°13.30 ELEVATION DIFFERENCE s 11.70 TC - . 343*r 4 900. 0a_*3) 1 4 1 3.70) 3**. i .. 14. 100." YEAR RAINFALL INTENSITY4INCHIHDUR) r 3.487 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(114 ACRE LOT) RUNOFF COEFFICIENT r .7598 SUBAREA RUNOFF 4CFS) 7.15 TOTAL AREA ( ACRES) r a. 70 TOTAL RUNOFF 4 CFS) - 7.15 �e+ rye +e•+e+e•+��e•�r�cu•+r�n•�aen• �� �+r �c•+e •K•+e �+c ie••k rc••�• �r+� � «•�r+r �r ie•+r+r ie � r►• w•�+t �•�e•re•+� •u• •k ar+r�e• ir+r +e••�• arm •rr+r ae ie•rr�r+r �r+r+� re+�+r+r FLOW PROCESS FROM NODE 40.04a TO NODE 40.00 I S CODE 3 !t >t)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE4 {(44 )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES44 444 ® rrrrrsrsrrsassrrrssssssrsasarrrrarsssss rssarssas+ sararaaersrss .aaarsrrmsaassrsmararsr.as• CONFLUENCE VALUES USED FOR INDEF'ENfrENT STREAM 3 ARE: TIME OF CONCENTRATION(14INUTES) r 34.21 RAINFALL INTENSITY ( INCH. 1H'iUR) a 3.49 TOTAL STREAM AREA 4ACRES) r 2. ? 0 TOTAL STREAM RUNOFF4CF9) AT CONFLUENCE - 7.15 CONFLUENCE INFORMATION; NUMBER 4CFS) 4MZN.) (ZNCHIHOUR) 1 e7.16 19.61 °e.875 E 12 84 16. @)E 3. X47 3 7.15 14. 3.487 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA4S8C) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 43.7e 48.88 37.53 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWSs RU14OFF4CFS) _ 43. 742- TZME4MZNUTES) = 19,fit3 TOTAL AREA tACRES) - 19.00 air��•+ fie• ���u• �e�rae�e• �+ r+ frrK«•+ �ar�e�rN• ae��ae+ t�ta+ �•+ gyre •+e�+t•+r+e•�air+t+r+e•+t�rr. +�•+r�+��r+ rye+ e• ��K� •��+raa�eac�K+e+�+rie+o-�eie• FLOW PROCESS FROM NODE 4 08. 00 TO NODE 50. 88 IS CODE s 3 )))))COMPUTE PIPEFLOW TRAVELTZME THRU SUBAREA44444 >)>)USING COMPUTER - ESTIMATED PZPESIZE 4NON- PRESSURE FLOWY 4 <444 = asaasasaassaasasass== aaaaaaaaasassaaaasssaasasaasssaaaaaasaaa :sassaarsaaaass DEPTH OF FLOW IN 30.0 INCH PIPE IS L 1. 5 INCHES PIPEFLOW VELOCZTY4FEETISEC.) a 11.6 UPSTREAM NODE ELEVATION - 12'13.34 DOWNSTREAM NODE ELEVATION - 1 E'1O.18 FLOWLENGTH 4 FEET) - 244t1tc . 06 MANN Z N ©S N - .013 ESTIMATED PIPE DIAMETER{ZNCH) a 30.00 NUMBER OF PIPES = 1 PZPEFLOW THRU SU1 - 43.71 TRAVEL TIME (MZN.) a ..a9 TC (MZN.) a 19. 9O piety• �tKK�r+ r�ra+ earie�eie• ��r�a�e+ r+ e rKae+ �a+ ��e�e��rira► K��r+ r+ e�r+ tar�eK�e�r+ t�rarar�+ r�ru�r�u+ r�•kir+t�+t�e+e�c�r�at+rx+r+�r. it FLOW PROCESS FROM NODE 50.00 TO NODE 50.00 IS CODE = 1 ------------------------------------------------------------•----------------- )))))DESZ©NATE INDEPENDENT STREAM FOR CONFLUENCE )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES44<<4 assaaaaaaaaaaaaaaaaasassasaaasasaaassaaaaorasasssaassasssssa sasaassaassssssaaa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) 19.98 RAINFALL INTENSITY ( I NCH. f HOUR) _ .{'. 85 TOTAL STREAM AREA 4ACRES) - 19.04a TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 43.7 CONFLUENCE INFORMATI STREAM RUNOFF TIME INTENSITY NUMBER 4CFS) (MZN.) (ZNCHJHOUR) 1 4 3. 7t 19.90 :. 85a RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA488C) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS; 43. 7E COMPUTED CONFLUENCE ESTIMATES ARe AS FOLLOWS: RUNOFF4CFS) - 1 3. 721 TIME4MZNUTES) 19.899 TOTAL AREA4ACRES) - 19.00 sa=-- nraa- sasata+- saaaaas= arssmrsaaaesraa+ ar.= aaasgsaa=s �a+ serrus�eaaeaasussaasas : :=anaaaa�aaaass ® END OF RATIONAL METHOD ANALYSIS LINE 'B' m s we g povl000m� Rmco CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE lOB NO• SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS OCT. 1986 3366 1 1 FOOTHILL DRAIN LINE 'B' STREET CAPACITIES FOR 0 C 1. 25 -YEAR CAPACITY TO TOP OF CURB 2. 100 -YEAR CAPACITY TO R/W LINE 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3428 • (714) 641 -8777 m ga h e rr 26"w4ifol 99co CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT � (+ BV / n DATE lOB NO. SHEET OF L R7E,PAI C (L /NE B ) .JT,eeZ X- ftr7l JOHN �1 IHS OCT /986 33 0 ny R1W a' as' 1E4EL toy' KA U U "X'. 3 - AC U WEST CONSTITUTION WAY s CNOOL �xeA N. 75. lel4d , /Va.) WASHINGTON LOOPROAD N.7.3. 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626-3428 • (714) 641 -8777 0 RW* CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT 1' BY DATE JOB NO. SHEET OF 60 / - -. /0 1 +x/00 S = o.00Bo /. d� Pis F �T K= a X— x ,�.�2/ 1. Y o x . 31 / 7 99- 1 0.07 p. 2D o.o7 Q s- 0.77 K , 08:x.4 z J . JPS c FS �_ • sm . JS C•�S 77 X . o9 /G S ? B. oQ 132.0/ x .o9 /G S ,1/• ?G C�J "cc Wo = /S. 17 wo .3 0. 4-7 Q = If 1. 2 = .1/ -31 / 'R = . 3 Y7 S = o.00Bo /. d� Pis F �T K= a X— x ,�.�2/ 1. Y o x . 31 / 7 99- 1 _ P/ 7 Q s- 0.77 K , 08:x.4 z J . JPS c FS �_ ?31. o/ Ar , oB -9dd3 sm . JS C•�S 77 X . o9 /G S ? B. oQ 132.0/ x .o9 /G S ,1/• ?G C�J 3186-L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 82626-4675 • (714) 641 -8777 CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUdIECT 0V � DATE = N0. tHEET Of INE - frCEE T �-�L�7/lO�S J oirN �I /M c OCT. 90 , t toy to rz I 1 0.0 ' y. LEYPL /NE y' lJ 6 "X" "'.3 "AC WEST INDEPENDENCE WAY WEST - CONSTITUTION WAY-' nommommmmoo A MS dvw .W I � 58' sa' 2 G' ,Y,qR /E3 Vgl ZG• • LEYEL I. O.a3• 7 • o.as' 30 - 6 ;Y"= 9 - AG 3 GRAND AVE M. T. s. 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92828 -3428 • (714) 841 -8777 0 �y Aff g 94C _- CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBIECT BY GATE IOB NO. BMEET OF �- � - ���. •/ BEN I W. � • �,;•� 3 ' G i RdLF, S WG w o. tJ /09 S. eJ yy. o7X . V2i _ P /1, n , M? r Al2 . WA V NL•L r Q /oo NQ� Akf,A = /9• S/ Q _ 4: 7 )C II W P - 07.544 C cl ;/n9sx IM? - 12s. 71 r4r . 61.fP'x I vAli y pr 90 GF.i . B 3186-L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92628.4675 • (714) 641 -8777 IN v �- CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBIECT BY DATE !Od NO. SHE" OF Rlav .2b' o-BS sa ' Rlu/ 2Q ' � Q1s tf( [/WE lie �'cc 02. P/' o f Cora = rc-c-/ B WP - A3. 17 WP = S. i- Q roo = 2/•79X 9�.07� . s/s 7 S= 1. o ,B % .. Si= ./o39.1-X 7 ,4 = 23..3 Cr QAS . /od 7s- = //S 5 cF.0 0 /00 s G��ND QYiYl1� v Scz L E N o o,4 /z . I G -2' 3186 -L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626 -4675 • (714) 641 -8777 A h 9 9! po"ota4tp 94co CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBIECT BV n DATE lOB NO. SHEET OF L ini .B - �I i,C' E L T ♦�' - �j'WIVA ✓O/✓/V V'�i S AT T 33 U G / 90� i VfL tL /NE f Y• 3 f � 6 "X "= 3 ~AC CONST /TUT /ON WAY w N. T. S. 7' 7' 12' /2' /Z' / 4' /Z' /Z' /O _ 5 _ 0.5 p s Z •�. //P e re y z/ � �r �J L y "AC MULBERRY AVENUE • IV. T. 5. 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 • M . I im wag g ? "&"004 mc. CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT _ DATE Joe NO. SHEET 7 7 �'. &Owa 01 14 A) -Aw ?77- 7 .4 /7 1 7 7 7" k r Qioc A Z2 y Z.5j - c 7 C • dll = d cr. 2. 2'w / ncl Q.1 h"dzc J -d4,21 c-c•f 0/00 ,d Adcej 1 p/cpo V4, 4 sc.dz,c- A(oalz.. / // 3186-L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626-4675 • (714) 641.8777 JE e rr 5�OftW44L 994co CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUSIECT SY DATE !OS NO. SHEET OF �r So Ae 7 �. .0 /O .2 t o 0 0 Io J5� %� .i.;�r X ✓777 - /2. /�'ccl �.�� ri s4s= z W0,6 .• / "= io � ,t° 2 ' 3186 -L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626.4675 • (714) 641 -8777 v i . X-1 --c = C L k nos .1 • J4 y fI 7 °7V. 32.' _ 0"17 d VALUE, LIZZ-F �-7- s s4s= z W0,6 .• / "= io � ,t° 2 ' 3186 -L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626.4675 • (714) 641 -8777 CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT By DATE JOB NO. SHEET OF co L 777 7 Y.1 e' Z C 3186-L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626-4675 • (714) 641-8777 XA A k 57 4 e — 12 7 cC .0. fo Aps 11.4P 1 35 - pk�! c"j C 3186-L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626-4675 • (714) 641-8777 uv D CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SLgKCT BY DATE JOB N0. SHEET OF — - - - -- -- — /a4 l 2 0� _ c F'c,� :1 d it r - .� / , -^ .- X • fi.. r � � r L 9 � � . o7 -le- -117. n1 C X . S'r =G; o�1R7 1/7- //• /3 CrS N� . Y G »n 7e X 9 y. 0,7 k , r k . b , %d /• I F/ C -r 7 c 0 r ^T / - �" B G _ 3186 -L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626 -4675 • (714) 641 -877. 0. . • S '/s ° . / Y � /J '.� _ //, 73 cFJ k' 9:778 - .• � .) s . v = 0- o / i O .'. `C /i /? )C 117--k-' M. Mcx J ` l.Z ' k' . J Jo7 j :' = � 11 . E . S - a G /8(o .'. F _ . /3 K 117 - /G.0 co '!J .134 u J%7 V S • 1 0130 �3 '' /l^ / /7W JF / _3. C� jjd 0 k - // ✓�' � c = c. ood� �•'- .� /� _ , r�G7�'Z X P7.3e = 79� �� . oG?�_ k 9c7J8= - SCdLE 11,0,el2 / �b 3186 -L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626 -4675 • (714) 641 -877. I �o w4e g pw"000� gmet _. CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING StJb1ECT By DAM cos No. OH OF MASTER HYDROLOGY STUDY JOHN SIMS OCT. 1986 3366 1 1 FOOTHILL DRAIN LATERAL E (LINE B) STREET CAPACITIES I� FOR S 1. 20 -YEAR CAPACITY TO TOP OF CURB 2. 100 —YEAR CAPACITY TO R/W LINE 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 IE r. 111E CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT r E E T BV DATE JOB NO. SHEET OF C X .!'Ec7�vNS .�o�vn� �J:.�� s 1 04: 7: /. I�cn , 1r G- V v/w NOTE: THE MEDIAN ALONG SOUTH CRESCENT VARIES CONTINUALLY; CONSEQUENTLY, THE ABOVE TYPICAL SECTION IS FOR A GUIDE ONLY. R1W 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641.8777 SOUTH CRESCENT . T. 5. Im 1 CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE JOBfg (MEET of ' .J�T,t'E'�T C/1PAC /7 %ES kEN V . /o� q 1St:, J gopsT, COMOIT /ON sG' 2G ' V 4w i P ° 0. 7f / Dar d � JiC d ° 6 Q.2 S d2£•d Wp _ /8.9,I Q /oo AQW.d = U. o2 tUA = a. Cus . Q = . wsz sty Q?S = a, X /* .o rS , .x102 k lF f -0,7,,v • -/Ox S -v 0. 041 rq = . //3/0 .'. Q j y = .21.72 a,ao a x k .sexy = ,.o�X 9y �.o�x .sp = dog. c� k Sf O.oOS'L •�� S *7,03 • • Qzs = I�.j� Ef 4'i.e s' /od.Bd S -v 0. 041 rq = . //3/0 .'. Q j y = .21.72 Q,o o e /SP. SP fr 1, ! 's c51� 3186•L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626 -4675 • (714) 641.8777 i I eg v a CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING TRIBUTARY AREA TO FOOTHILL DRAIN - LINE B ;AINAGE AREA ACRES HIGH ELEVATION LOW ELEVATION DRAINAGE LENGTH 182.4 SUBJECT MASTER HYDROLOGY STUDY BY JOHNSIMS DATE OCT. 1986 JOB NO. 1 3366 SHEET OF TRIBUTARY AREA TO FOOTHILL DRAIN - LINE B ;AINAGE AREA ACRES HIGH ELEVATION LOW ELEVATION DRAINAGE LENGTH 182.4 3.2 1303.0 1291.0 500 182.2 4.1 1304.7 1295.5 1000 182.1 3.5 1299.7 1291.0 600 181.0 5.0 1300.0 1282.0 1000 181.1 0.6 1300.0 1291.0 300 184.0 1.2 1291.0 1282.0 970 183.1 4.6 1298.5 1284.5 700 183.2 0.6 1284.5 1282.0 500 181.3 5.0 1291.0 1284.5 720 191.0 2.9 1278.7 1274.2 450 192.0 4.5 1274.0 1263.0 700 193.0 6.4 1278.7 1266.1 1000 193.1 4.0 1274.0 1263.0 750 194.0 3.6 1274.0 1258.5 1500 194.1 2.4 1282.0 1271.0 730 194.2 2.1 1282.0 1273.0 800 194.3 1.8 1273.0 1258.0 900 198.1 2.3 1272.0 1268.0 700 198.3 3.0 1268.0 1256.5 800 80.1 5.5 1268.6 1254.0 600 90.1 8.1 1261.4 1238.0 1200 90.2 11.8 1254.0 1243.0 860 100.1 10.5 1247.0 1225.0 1000 100.2 10.2 1243.4 1225.0 800 110.1 2.6 1226.7 1220.0 400 135.1 6.3 1226.0 1214.9 1700 120.4 0.6 1221.6 1215.2 720 120.3 0.5 1217.6 1215.2 600 lib (SUBTOTAL) 34.4 LATERAL C 23.8 LATERAL G 17.2 WEST HERITAGE 10 53.8 LATERAL E 246-10 (TOTAL) m 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626-3428 • (714) 641 -8777 h e rr A*ewA#,op '`�o CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 � CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING st"cT er a►1E cos nw. weer OF MASTER HYDROLOGY STUDY JOHN SIMS 9/26/86 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LATERAL C (LINE B) a * Q10 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3426 • (714) 641 -8777 ® sa t saz ssaassasarsasaws: seas sssssassssasass: asssasaassnasssssassssaas +erssss�ss RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON S AN RERNtARf12NtO COUNTY {3£tf�) 1983 HYDROLOGY MANUAL a�assrssssa+ w+ ssaaraar sa' asaasaassassassssssssraasssassssssa sssssasassasssaaesasauaaas.+s ee{ {e « < c{{ ee{<{{{{{{{{{{{{{{{{{{{{{{{ r) r)) rr ))rrrrrrrrr) } } }} }})r)))rr) >)r)r {Cr Capyright 19& Advanced Engineering ScFtwore CAES3 Emaec i as 12 y prepared Fort BALL & FOREMAN, INC. rl+Rreaererere- ***DESCRIPTZONt OF RE9UL73+e«+eie+e+e� +tirK�r+r + ere+ err + ciroe +rK+►r.r.K�rirr�e�c+carwacw+eu +c+r •e FOOTHILL DRAIN HYDROLOGY, LINE R — LATERAL C 'k Q le NODE 60 TO NODE l aE-2 6 re R AHMED SHEIKH, J. N. 3366, 1.::�/ 7/86 rl i erNkrkre•rere•rere *. re rere** 40 .*** * re re re• rere re rere * re re re r! re rere re ntrere re rere • re rerere rererevere �! • rlrt ie re --------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMAT USER SPECI STORM EVENT(YEAR) 10.00 SPECIFIED MI N IMUM PIPE SI?. { I N1f:H) 18. eO SPECIF=IED PERCENT OF GRADI ENiTS I DELI MAL) TO USE FOR FRICTION SLOPE . 95 10—YEAR STORM 60 —MINUTE I NtTEN S Z TY t I Ntc::li tHOUR) .980 100 —YEAR :STORM 60— MINUTE I NtTE•N1SI TY { ZN0H /H(jUR) 1.4 COMPUTED RAINFALL INTENSITY DATA; STORM EVENT — 10. 1 — HOUR I N1TENtSI TY t IN 0H;`Hf? UR) _ .9696 SLOPE OF INTENS DURAT I ONt CURVE — .6000 00 SRC HYDROLOGY MAN L*4 " f: "— VALUES USED {{{{{{{{{{{{{{{{{{{ r,{{{{{ r,{{ 1. r,{{ r,{{{.;))))}) p }} })} } } } }}} })) } })y } } } }r }}}) }r }p Advanced Enol neovi no SOftvaire CAES3 SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 {{{{{{{{{{{{{{{{ { { {{r, { {{ { { { { {.; {r, { { { { {.1,} } }} „ ,,, }))))} „ >)> }r),} } } } } }, } } } }, reae rerere•re rs+ere k rert•re•rere•rere rere rere rererere re re rr rr re+e re re�•re rr••rerererererr.•re K rere•re re re•re•re•re rere•r ere• re rererere rerere re rere re rerere•rerere re ie FLOW PROCESS FROM NODE 60. 10 TO MO DE 60.00 IS CODE � .? r)))) RAT I ONAL METHOD INITIAL SUBAREA ANlAL YSS I S { { { { { ® s a-- ass :ssssaaasssosssas ssaasssnawssas�sss�as, r: ns: aras�soesare�assas =saassssaarsssuesasswsesc ASSUMED I SUBAREA UNI FORM DEVELOPMENT I5: SINGLE FAMILY 41/4 ACRE) TC a Kr. C {LEN 8THrere3) / {ELEVATION! CHAN SE) 3+►+`. t- INITIAL SUBAREA FLOW — LENGTH a eiFlo.00 UPISTREAM ELEVATI — 1 E38. 00 EK)WN STREAM ELEVAT +R 1 EE3. 50 r=k =uc:r r fw 14. 50 A IV. Was rats; ss►•s A l W -r fLLL t r 5 a fK4flf nvtssc s .- . -..7 A SOIL CLASSIFICATI IS "A" SINGLE — FAMILY (# /4 ACRE LOT) RUNOFF COEFFICIENT a .72-38 SUBAREA RUNOFF (CFS) a 1B. 03 TOTAL AREA (ACRES) = let. 00 TOTAL RUNOFF (CFS) = 16. ��• ar��e• �e• ae�e�ic• ae�e• aa.• �rar�t�r�a+ t��t�r�e•+ e• K+ c�rae• �t• u• �rira��rir�a t• �r�ie�aeu• re+ rir�rarir�itie�r�r�er.+ t+ e+ e• aau •+e+�•�r+r+�+rar�ra�ir�►•ir+r FLOW PROCESS FROM NODE 60. 00 TO MODE 60.404a IS CODE = 3 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(((( assaasrwslaws =s :wasar uaaaasasaaa -- �ss+araaaasaaaaseaarat :sass a saaaar :ss+aa: sraaaaa saaaaa s CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I ARE: TIME OF CONGENTRATION(MINUTES) l2o.,98 RAINFALL INTENSITY ( INCH. /HOUR) 21.49 TOTAL STREAM AREA (ACRES) a 10. (cret TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE _ #8.03 �r•srar. �rx+t+e+�ir��ae•r. a• arir�sw•+ tK�•• K�r�+ c•+ r�irwic+ t�+ ��e+ �•+ �• kar�r+ r+ �+ r•K•• a• �e•+ ���rar�rrrirarir+ r�r+ r�r+ rx• �e•�raraeir+r+e•�•ir�+�+r+rir+r FLOW PROCESS FROM NODE 60.30 TO NODE 60. IS CODE ))))) RAT I ON ► METHOD INITIAL SUBAREA ANALYSIS (((( ( saa.Waseaaraaassassraaasass:as as asaaasaa ssys varaae :aseaas'saaas sesames sssaasrss xrarsa�eassssas -sss as ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY ( 1/4 ACRE) TC a X*C (LENGTH**3) / (ELEVATION CHANGE) 3+«. INITIAL SUBAREA FLOW — LENGTH a 1060.00 UPSTREAM ELEVATION = l e3ti:. 00 DOWNSTREAM ELEVATION •_ # ae 50 ELEVATION DIFFERENCE — 8.5►� ® TC , w . 393+F [ ( 1006, 00* 3) / ( 1 G. DO YEAR RAINFALL INTENSITY (I Ns�.H/ HOUR) :s e.176 SOIL CLASSIFICATION IS "A" SINGLE— FAMILY (1 / ACRE LOT) RUNOFF COEFFICIENT = . 705 SUBAREA RUNOFF (CFS) a 1.53 TOTAL AREA (ACRES) a #.(tcG TOTAL RUNOFF(CFS) A 1.53 �ir�e•r. ��ere�e+�+e•arar �r at+� ar+r«•w ar w r, ic•n•+r K «• �r,e•�•+e,r it x � u•+t•�e+r+r+i•+e• it �r as � •K•+r ae•�r.c+r.e �•,R•,r+r+a.e •k•K � x a•ir,r.r « ar+i•+t+a w•+e ae � FLOW PROCESS FROM NODE 60.00 TO NODE 60.00 IS CODE _ # ))))) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE (((( ( sass= as.• ar���asaa.= araesmuastsaasaesaayamtstissaasaaeaesa�srssasr.. s+ ae+ assssasss assessssassrms+rsasrraasssss :.sr CONFLUENCE VALUES USED FOR INDEPENDENT STREAM a ARE: TIME OF CONCENTRATION(MINUTES) — 16.15 RAINFALL INTENSITY ( INCH. /HOUR) — :?. #E3 TOTAL STREAM AREA (ACRES) _ 1.00 TOTAL STREAM RUNOFF 4CFS) AT C ONFLUENCE �••I[•�l�►�! 1t ik ik i! 1t• R it iFiF �! �!• �! iR• i! M it �• i! i!• 1F i! 7F i! �! iF'M!• ik �!• iF iF 1! �t •Mt M. i! it iti! �! it• �! iF 1! i! i! i! i! i! i! i!• ik it it i! i!• i! i! �! it• •r! it i! i!• N• �t it i! ie• •1! it it• FLOW PROCESS FROM NODE 60. ;?G TO NODE So. 042� I corre = c': )))))RAT METHOD INITIAL SUBAREA ANA L YSIS( (((( ass- .�ssassreasss� sat eaa«-. ssss .as =.sssaas.s— ..w===sssar.s:s zsasss: mssss: �sr.: rs. ssssaserssassassaasxeasemssa +ss= ASSUMED I N I T I HL SUBAREA UNI DEVELOPMENT IS: SINGLE FAMILY ( 1/4 ACRE) TC •_ X* C (t_ENGTt -br *3) / (ELEVATIOtai CHANSE) 3**.._ INITIAL SUBAREA FLOW —LENGTH — 550. 00 UPSTREAM ELEVATIO3+: _ # eacs. l20 DOWNSTREAM ELEVATION = # eiF.13. 50 ELEVATION' DIFFERENCE _ 50 TC .393-1:4 550. 00**3) / ( 4. 50) 3 **.;Z- .31A Nuu- = — r "toy AL. r s s/ df rs4tSC f—li s -/ tt{iMir" r �rLJC f 1 4 s Gf V f •- r L -s.—. SUBAREA RUNOFF / CFS) aQ . 7^- TOTAL • AREA (ACRES) – . 40 TOTAL RUNOFF <CFS) �c+ r+ r+ t•+ r�ru++.•+ �+ t+ e+ r+ eae+ r�+ r, rar+ a+ r+ rirr.+ t• st+ eu•+ e• ie+ r• u•• Kr.+ r�r•K• r.+ r�s+ rirw• st•+ exa r��+ t�r�r�r�ir�e+ r+ r�r+ r�s+t•aru�••+eir�+r+a+rao-+en•r. x FLOW PROCESS FROM NODE 60.400 TO NODE 68.040 IS CODE � # ---------------------------------------------------------•------------------- } }})}DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE 4 < 4 < if }} }) )AND COMPUTE VARIOUS CONFLUENCE£ STREAM VALUES <<<<< sssaarsssaasassasssasasasssaarasssassssssarassaassassasssssasassssasasasaasasars CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION<MINUTES) #E.61 RAINFALL INTENSITY <INCH. /HOUR) E.50 TOTAL STREAM AREA <AC:RES) a .40 TOTAL STREAM RUNOFF / CFS) AT CONFLUENCE a .7a CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER <CFS) /MIN.) <INt=:!-/HOUR) #E . 88 2.491 1.53 16.15 ie. 176 .�. . 7i # . is # a.500 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA /SRC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 19.98 17.91 1 9.87 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF <tFS) _ 19. TIME /MINUTES) ar 5.. fs8# TOTAL AREA /ACRES) 9 K•i!K•1►.• itik•!•itit4!•# it Y.•( kill! i!. *** 9l i6i4 •k9riki!••M *V *4ki►�►.•�► •r. * N• K• if 1l itiRl!• iFil it Mi.•♦!• * �l it Y�!• 1► ik• RiFi!• ft• 1!• Mi!• FLOW PROCESS FROM N ODE 60. TO NODE 70.00 IS CODE } } } i } t omr — •UTE PIPEFLOW TRAVLLTZME THRU SU&AREA < 4 / d d ) })> COMPUTER• PIPESIiE <NON-PPESSLrRE FLOW) .sasss sssa ss sr sa a sssrra s s r. aaa• as.�. rar area r ar. sa ss s a Tsar. aaresr sa•sa sca es�•arss�•s saa.— .aars.a sr:sr ssss.� s:a•sas a� DEPTH OF FL.OW IN E'# . 0 I NCH 1 is. # I NCS PIPEFLOW VELOCI TV /FEET SEC. 1011 Uf '>STREAM NODE ELEVATION — #;_a3. SLR DOWNSTREAM NODE ELEVATION . ela.50 FLOWLENO"fH(FEET) — X - .:� MANNINDS N ESTIMATED PIPE DIAMETEF• 41NICH) - L1. NUMBER OF PIPES. ++ # PIPEFs-OW '!HRU SUBAREAl'C:•FS) _ #9.9,3 TRAVEL- TIME /tall•:.) = .•' +.'t TC /MIN. ) a 13.31 �r t! �•ir+e•�r •�r s!• is *• •k s!• ac•�• is x• it+► �t• ac *•�• it• it x•it it+t ie••re• •ie••r.• it is it ir�.•+r •K• K ie•+t 1► it at it it• •�s+t• v it rt �••r. ie••r. rr i M• �• r. +t+e it •r.• •r.••r. i! *• �•r � it+t r. •r FLOW PROCESS FROM NODE 70. 00 0 T O NODE 70,00 IS CODE _ # })) } )DESIGNATE INDEPENDENT ST FOR CONFLUENCE<<-;<< s . svaas. Z• sssssrss: xss=.-. �ssrsr... r .:r.ssssxarr....= szrssrs.�•.•mr r- .= s.- <rscs =s=r. a'assssass_r..sassasasasasssx. CONFLUENCE VALUES USED FOR INDEPENDENT S T PEAM # ARE: T IME' OF CONCENTRA T ION/ MINUTE r 1 3.31 ® RAINFALL. INTENSITY ; . 4 - TO' - 44L STREAm APEsi I #. 4-0 TOTA;.- STREAM AT CCIN LUENCE a 13.96 1F 1► 1[•14 *•� iCit i! iR �+.• 1! it it i►.• iF ik iF i► i!• rt •M it• M.• �! M.• t! it fF it i! r• �! •K• *• iF �! it• �! i►.•1M• ik it if •M iF ie• 9!• •It• 1t iR it it �►.• ih iF �!• �• it iR i! it K•i! it iF it i! i! •M• 1! ir, i! i! re• FLOW PROCESS FRO, NODE 70.10 Tin NODE 70. 0et 1:8 CODE ic= s�aiat�siTS_ ss.. si'. �G SL 'a .S�itISSaiS.a :SSSarsaaasaa 7C: aces: aissssasssrssss• .aa.�ae�T+7sa*a.'S.as.=i:TS�asc ASSUMED INITIAL $!.!&AREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY 411-ds ACRE) TC a K* C 4LENGTH**3 )14ELEVENIOut C!-tANSE) I **. i INITIAL SUBAREA FLOW - LENGTH - 1400.08 UPSTREAM ELEVATION a 1 30.11Zt DOWNSTREAM ELEVATION - 1.2'16. 00 ELEVATION DIFFERENCE - 1:_ °.10 TC s . 393*1: ( 16 00 - 00**3) / 4 1:=. ley 3aa. a - 15.045 10.80 YEAR RAINFALL INTENSITY 4 INCH /HOUR) _ e.iE70 SOIL CLASSIFI IS "A" SINGLE ACRE LOT) RUNOFF COEFFICIENT = .711 SUPAREFt RUNOFF 4C 6. 1-4 TOTAL AREA(ACRES) a 3. 80 TOTAL RUNOFF4CFS) a 6.1 a«•«•aara►rr+r ar«•«•« •«•+r•Kat+�+e•ir «•«•�«•+crr«•«• air«• �e«•«•«• rt•+ ��rita►+ c• �+ a«•+ cit«• e«•«•« •«•«•K«•+�+r+t+r� «• «• «•«•ir«•r. �«•«•«•irar+►«•«•«• FLOW PROCESS FROM NODE. 70. TO NODE 70. Ott I S CODE � 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENC:E44444 :. sea. ""Jrrraeaassssasa�•rsa raxrs:araa aaessarasst•. srae. raasmarar ssr.. rarsra asasaaaa =srxrsaa saerraesaas�+.�.rar r. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM Z ARE: TIME OF CONCENTRATION(MINUTES) = 15.05 RAINFALL INTENSITY 4INc:H. /HOUR) _ el;27 TOTAL STREAM AREA 4 AC: RE S) 3. sot TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE = 6.3 a«• �r«•«•�!•+r «•+rr► sera«+ r+ ar.+ r+ �•• •e.•«•a+raa�ra+rie•«•a«• «•a«•a+ rasa«• aaa«• aaaaaaicir« •ira+r+r+ric+r+e•a«•+eaaas�ra«• «•sass FLOW PROCESS FROM NO DE TO NODE 70. IS Ct DE ))))) RATIONAL. METHOD I N 3' T I AL SUBAREA ANALYSIS < { 4 4 sa tsars- sssrxar.. sss.. asssssasssr" sasssasssexr maczaa�ssa .�rax.ra:esassaaeaaaer ear.: mssaxssasaesesa+_- msrsassxr ASSUMED I SUEeAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 41/4 ACRE) TC - K+`C 4LEhIC:Tl **Z� ) / 4ELEVFtTICtt%J C HANGE) 3*v--. c: I NIT IAL SUECAPEA F_OW- LENGTH - S(`10. 00 UPSTREAM ELEV - 1 stet DOWNST REAM EL.E +lAT :L rjN 181 1 B. Set ELEVATICt DIFFERENCE - 9.10 TC: •- . 39i* C :• 60420. tt''t040 -*3) r' ( 9. 1it.) 3a «. 2 • -• 13.931 121.0Q't YEAR RAI NFALL INTENtiITY(INCH /H0LtF) - :E_.377 904 CLASSIFICATION I5 "A SINGLE FAMILY41/ ACRD: LOT) RUNOFF COEFFICIENT - _ .7377 SLSAPEA RttN tf=F 4CFS.) - 5. 3._ TOTAL AREA 4ACRES) - 3. 00 TOTAL RUNOFF 4CF8) - 5. 3:" *.W -w* a r«-aa*41*aaa«•aar. *a«•a« ar. a «•« a+ rasa «•«•aa «•a«•aaaaaaaaa•sr+ca a F_: OW PROCESS FROM Nt ZrE 70.00 TO NODE 70.4240 IS COD m 3 3)333DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE44( ) > .% >) AND COMPUTE VARIOUS C:ONFLUENC:ED STREAM VALUE9 4 ((( ( =. ssaersera�ea�rsasaaeaarsasssars atria ersvaa ssasram a•sr ar =ss rasesraeraas• sac• ssarars .ria:'ssr:raaaaaa�•aaeraas�eaes r. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE-- TIME OF CONCENTRATION (MINUTES) = 13.93 RA I NFALL INTENSITY 4 I NCH. / HOUP) = c_. 3a ® T O TAL STREAM AREA 4ACRES) -- 3.00 l TLYrA _ S T REAM RUNDFF (C FF S r AT CONFLUENCE = 5. 1 : CON!= LUENCE I NFOR'MAT F ON STREAM RUNOFF' TIME INTENSITY NUMBER 4C.FS) 4MIN. ) 4INCH /HOUP) 2 3 9_ 96 13.31 a. y 3 3 3. I,= 1 3. V3 I. 3 f f RAI NFALL I NTENSITY AND TIME OF CONCENTRATION RATI FORMULA MOC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 30.30 E9. 59 30. t?4 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF<CFS) m 30.30 TZME<MZNUTES) t3.3zO TOTAL AREA (AC$ fES) — # a. a&N ar •ie+r�e•+eie+�+�a���e•�e�k�+r ic•�r+e•+e w•a� ar.e•+e+e•+r u•«•ir+eir �eir•r. ic•�r ae•K+e «� �• ♦e•ie � «•+r+i•u•e •N•ir rr�+c+c+r �••k♦r�+t ♦e•ie•� a•�t+r+c n•+tar+e it •K FLOW PROCESS FROM NODE 70.00 0 TO NODE 75.00 Is CODE m 3 ---------------------------------------------------------------------------- )) >)) COMPUTE PZFEFLOW TRAVELTZME THRU SUPAREA < < < < < )))) )USING COMPUTER — ESTIMATED PIPESI (NON—PRESSURE FLOW) < < < < < crass :sa sassamass.sasa sms:arsss asmssmss s msssmm sm m s smssasrssss ss sraam ssm ss:sr asars sm east DEPTH OF FLOW IN 30.0 INCH PIPE IS 19.5 INCHES PZPEFLOW VELOCZTY<FEFT/SEC.) T 9. et Uf>STREAM NODE ELEVAT — l el $. 50 DOWNSTREAM NODE' ELEVATI - # : t S. 00 FLOWLENGTH — 50.00 MANNINGIS N = .013 ESTIMATED PIPE DZAMETES: < ZNCH) 30.04a NUMBER OF PIPES # PIPEFLOW THPU St!BAREAtCFS) 3O. 30 TRAVEL TIME <MIN. ) a . 09 TC <MIN. ) — 13.4+3 •r�!•icit• K•r.• •K+r ire *• ar ar•rc rr+• ie• •r• ie•+e•ar it n••K•+:•i►r. x•�rir •rit• at• •K+e+e•�tK ir+r r. +t•r. +e•+tie•�r �•�►• «•+r+tar�e �►•�rie••rr� �r ♦e• u•+e•ir+r+e•+e•ae• •K• � �r•r•ar w••K re• FLOW P ROCESS FROM NDVE 75.00 TO NODE 75. IS CODE � # ))))) DES I tSNAT E INDEPENDENT STREAM FOR CONFLUENCE < < < < < asass:maasrxxs— a =.= .sxsr = smr..= .sssrmsasassesssrtsar ssas e. srmrrsa '.ssssar :.srrass.r.Qrxsxr. x— .sxaasxssxxxsxsax CONFLUENCE VALUES USED FOR INDEPENDENT STREAM # ARE TIME OF CONCENT 4M I NUTES) = 33.40 RAINFALL INTENSITY <INCH. /HOUK) — e. 3 TOTAL STREAM AP A 4AC:RES) = 16. 010 TOTAL STREAM RUN0FF <CFS) AT CONFLUENCE - 30. 30 as •r. �••�e•+e+�•+:•+:•+e• �• �• �►+e•r. •x• r+►+e•+r r• is � •ie•r. �t x• +air+r�•rt+►.• n tr ie• {t r. ie•i..• �r•r.•ar+e• ire►• �t •�•+e+t ♦a irir+t ie+��e+r�e+a a ar �.• � ie•rris ♦e•+e •ic+k arir rr� it •t F�-04,0 P ROCE SS FPOM NODE 70.30 TO NO DE 75. 00 IS COLE c_ ))) F.'AT I ONAL METHO INITIAL `.'jR. &A #'l ?EA- ANAL Yea Z 8 < < < < < .saxs:ssasss = cxac.— = caa.¢r..= »ra.sms.s:srcm.csa s.= aaaaacse ssa.srxr.mr == = xaae. :.ar= xsssssssa_ :maaas.s_- eassss ASSUME INITIAL SU&AREA UNIFORM DEVELO PMENT 19; SINGLE FAMILY <# f-s ACPE) TC;: — • �< t <LENG 3'!-!+i•`*3) / <ELEVATI 4! -rF3Ni E) 3 �►. INI T IA — i SUBARE FLOW — 1 1042t. 00- UPSf RE ?AM ELE.VA 'ION = # E loft'! DOWNSTREAM E._E %o'AT = #: ?d3.00 EL.EVATZON DIFFERENCE _ #: .04a TC •-- . 393 *£ # #ft'�k�.ft�tIL #ice. *. •_ 15. 1 0.00 YEAR RAINFALL ZNTF.NSZTY4ZNC!-1/HOUR) _ a.191 SOIL CLASSIFICATION IS "Si SINGLE— FAMZLY41/4 ACRE LOT) RUNOFF COEFFICIENT — .7065 SLtSAREA RUNOFF <C;Frs) — 8.67 TOTAL AREA <ACRES) r 5.60 TOTAL RUNOFF 4 CFE) - 6.67 ae• rr�ci!• kie• iri!•• r. ��r�e• �e• ic• �+o-ie•�e••r.rrr�s•►•�r�+e•irie+ tie•+ t•+ t• u•• �r+ �• i► x• ot• n• xrt• ir+ t• x• �• ie• �e• ie•• �t+ e• r.• �e• r. ie•• r. rta!• it• rcr.• ir+ tv• r. r .iras� *••r.•+►•r.+e•r.••r.+r+�� FLOW PROCESS FROM NODE 7'1. TO NODE 75.040 IS CODE •r # ))))) DEBZONA- TE INDEPENDENT STREAM FOR C0NFLUENCE < < < < < am*axesssraamsratxsa «se. ssrsarsraasaasas cams.. arsaesarmassss asas:. ss s-.. ssas•. asasxasaarsxasrarsszasss:easr._ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE: •SI•f t fvr FELL t 9 1 fLfKAt f Y .A fle( -M. a t' Lj mf - 1•. l = TOTAL ST REAM AREA <ACRES) - 5.660 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE 6.67 a�t«•�r wK ** �r *+e * ** �e�r �c•ae• *+ex•+e w•+c * *�e+r * *+cie �•* *+e *�e x•** w•«•.ew•�t.t+rr�r+rw•,c.rir w•+r K ir* *+e+r �•+O•a+e+r *+r ir+e «• •1e•ir•K •1r - - FLOW PROCESS - FROM - NODE - -_ 70. 40Z� - TO NODE 75. 0�0� - IS - COKE- -- _- ___--- _____ -- )))))RAT METHOD I NITIAL SUBAREA ANALYSIS44 <44 ---------------- .------ __-_.-....s-. -- -- - ---------------------- a��s�aa :aasss ASSUMED I NITIAL SUBAREA UNI DEVELOPMENT ISs SINGLE FAMILY 41/4 ACREY TO - K* C 6 LENSTH*• *3) / 6 ELEVAT I ON CHAN8E) 3 * *. : INITIAL SUBAREA FLOW - LENGTH - 700. UPSTREAM ELEVATION - 12-217. DOWNSTREAM ELEVATION lells.00 ELEVATION DIFFERENCE += 9.00 TO - .393 *Li 7 * *3) /( 9.00)7 * *.; •_ #E.88 10. 0 k YEAR RAINFALL INTENSITY 4 ZNCH /N.OUR) - e. SOIL CLASSIFICATION IS "A" SINGLE - FAMILY S 3 /4 ACRE LOT) RUNOFF COEFFI as . 7a37 37 SUBAREA RUNOFF jlCFS) a.sa TOTAL AREA(ACRES) - 1.60 TOTAL RUNOFF S CFS) e.88 �O•iaat�e w* ** �r* �r* �•r. * * * ** ar ie•+t+•+e+e u•ir irr. it•�t ilOk iF* •1! * iF i! n••r.• it �! *�hihiril•* i! i! •1t it�t• �t•i! ♦F 11• •1e•+t• i! i!••IF i! r. atit•i►.• w• �r*+e+e•+�•+eir FLOW PROCESS FROM NODE '75.80 TO NODE 75. 04a LS CODE eer 3 ))))) DESIGNATC INDEPENDENT STREAM FOR CCONFLt.OENC:E a r ,: d )>))) AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES { ; ; { ss ssssassarrrssrscarra: ssrssarss saasac sr: era+• ssrasasarasr as ta.ar sx•.aaa ssrxarxarrxxar a:erarrsrrar.a.:ra a.a sac sr ssr+rxscara CONFLUENCE VALUES USED FOP INDEPENDENT EPENDENT STREAM 3 ARE; TIME OF CitNCENTRATZONjmrty trE4) - # .89 RAINFALL INTENS _ E. .s9 TOTAL STREAM A REA 4ACRE T #. set TOTAL STREAM RUNOFF 4CPSY AT CONFLUENCE •_ 21. sa CONFLuENCE INPORMATIOtil: S T PEAM RLlNi:.. F• T I ME:' INTENSITY NUMBER SCFS) SMIN. ) 4INCN /ttCtt.t6'r,y 3 30. 30 13. 4 . 43 3 6.67 #5.I.R65 e. 191 3 a-:. # a .6 9 a. 491 RAINFALL INTENSI AND TIME OF CONCENTRATION Rs�TTt+ FORMUt.A4SBC.) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS 40.40 36. 49 39. Oc a COMPUTED CONFLUENCE ESTIMATES APE AS FOLLOWS: RUNOFF 4CFS) - 40ct. 4a� TIMe 4MZNUTES) f .'s. 403 TOTAL AREA 6AC RES) - : 5. -F Qt it •r. ar+e•+sOt+eOt• •!1! ie�e alit �e * * *irrt•* * •M * ** K ** Ot* * a!•+t * •1e•* ie• * it re•it+e *+r •�• •R•it •n•rr * �•�t* * ** * * * it�e•+t+t•it• *ae•it ** *Ki!* ie+e• FLOW PROCESS FROM NODE 75.00 TO NODE 120.00 IS 3 ® ))))) COMPUTE PZ EFLOW TRAVELTIME THRU Bt. +&&REF? d d d f >>>Y )USING COMPUTER- ESTIMATED PIPE:51ZE /NON - PRESSURE FLOW) ; < 4 ti e:sa lTarssaa•sC.aa{T.a TJra!'aaR SisTilaST eSiT. ='e'Cil.TSS':.l'if LT3r.'LSa.:t3S>Q ' aiT �i'a7'.T LS'.9!'s 1S �i'� �S =S.a Cta«S YSasa'S.'aii'Si.S�.•orass TSa�r... DE OF FLOW IN' 30.42t INCH PIPE 19 E3. I Nt HE::{ PIPEFLOW VELOCITY4FEET• /SEC.) 9.6 UPSTREAM NODE ELEVATI - #:? 00 DOWNSTREAM NODiE ELEVATION FLOWLEN3TH 4 FEET ) - : '30c�ct. @tt2t MANNI NGS N •_ . W A f t• i_(JW f rIntf DLX X#4fV= l i L.t b4 a' (. TRAVEL TIME (MIN. ) _ . dii? TC <MIN.) 13.83 ae•Kaeie•arx• •Kat itir it iP i! i! it K � 7C � it�lie leit iFititi! iriFi! it i! iFiF ♦e•ac it iF it•ilit iFitiFiliF it•1!i! •IFK•i! itilr. ieitilit iFil�t• i! it•r. itit it•i.• �+� i! �• iP re• FLOW PROCESS FROM NODE 1E_'Z.00 TO NODE 2 O.00 18 CODE a # �® -) >))) DESIGNATE INDEPENDENT STREAM FOR - CONFLUENCE < < < < <----- --- -------- ----_. iosssa uses: ssaaraseaasssasr_. rssissasrryasrsssaasaesssess�arrmrasasmsssaasrassa +saramsrssssr_sa= CONFLUENCE VALUES USED FOR INDEP=ENDENT STREAM 1 ARE: TIME OF CONCENT RATION < M I NU T E S) += 13.83 RAINFI:k-L INTENSITY 4 ZNCH. /HOUR) _ ie. 39 TOTAL STREAM AREA <ACRES) a- &S. 40 TOTAL STREAM RUNOFF<CFS) AT CONFLUENCE 40. 442t �,k �� itic ae ar ati!• ie•iC �r it• fit• ie i.• it ilit i►.• it•i! it• it it i! •k it i! it i! i! i.. •k• it. •K• i! i! 1►1r.1! it it• ir, it i.• it i! iF ie 14 i! i! i! � it iR i! 1.• i! it it ih ik it ie• i! it i.• 1! 1► ih ie i! it FLOW P ROC ESS FROM NODE 18-0.1 TO NODE I eO. 00 I S CODE = s:: >) } ? t RATIONAL METHOD INITIAL SUBAREA ANAL Y S 18 < < < < < sAS. taS .uiil.Satssiissars sr..uaawoaa ssnssaaosrarassssssrrsrismesasrrasssserriisrrsaessaasaisrsasssr ASSUMED INITI SUPAREA UN IFORM DEVE:LCIPMENT IS: SINGLE FAMILY 411do ACRE) TC - P• * f <LENGTN.•r.•r.3) / <ELEVATION C ►MANGE) 21.•r.. INITIAL SUBAREA FLOW- - LENGTH - ) p t fl' UPSTREAM ELEV ATION a Ia=e6. Coo \ '� DDWNSTREAM ELEVATION - 1 c'1 S. ae ELEVATION DIFFERENCE. = 11. 442t f' T - . 393 -m•f < 1-40 0. ! 1 0. 4042't YEAR RAINFALL INTENSITY < I Nt_:H/HC +LtR) = 1. 91+7 SOIL CLASSIFI 15 "A" SINGLE - FAMILY 41 /4 ACRE LOT) RUNOFF COEFFICIENT - .69Z!5 SLlVAREA RUNOFF /CF =•g) = 5. 39 _ TOTAL AREA <AC:RES) = :s. `.0 TOTAL RLFNOFF <CFS) `i, 39 +� irirr. irr. irit•ie it itR40.1i!ititi.•it**4 K-** it *4t* ** * iti.ik141li.•N•it*.**it•i.i!i• ihihi. it•it14 Rititi. iti. i► FLOW PROCESS FROM NODE 3 12t. 00 TO NODE 12'e. 00 IS CODE � 3 )) } }) DESIGNATE IN D EPENDENT STREAM FOR CONFLt ONCE < < < < < aai. 5.4Pi.SiSSS3'.'Y.•�x= .�'.r. ».»� . »�. »T� 33�3.5.4'tSi� .ZS'F.i.'. - J �.�'. -. 1. r rC. iT« Gi' t. TS..»= Si. C. Li.». SC.» t .C.T.»S.Z'. »Lr�. ».T. »SC.».�.».» CONFLUENCE VALUES USED FOR INErer- 'ENOENT STREAM & ARE: TIME OF 18.63 RAINFALL. INTENSX7-Y <INt:H. /HOUR) n L.00 T"CeTFt'. STFCEr -w4 AREA !AC':RESI) _' : <.90 TOTAL STREAM AT CONFLUENCE - 5.39. *i4*.kl i!it *.r kl*.. it•iti.•*ititis * it• i64.• i!*** i.• ititi !vr * it FLOW PROCESS-5 FROM NODE 1::0. iF *0- TO NODE: 1;_a't. tZo IS CODE n }))) i RA s I ONAL MET INITIAL SUBAREA ANALYSIS < < < < rr..r.- •svxssasaasamsr r.ascs:.rs•.rsarssas» - .�•.rs.:s:sszs�•. »« «ass «.rs_asss.ss «.�srss�ssmr zaaesassaaas =s.- ASSUMED INITIAL SU& PEA UNI DEVELOPMENT IS: SINGLE FAMILY /1 /.4 ACRE TC T K*f (LENGTH**3) <ELEw +AT ION CH is INITIAL SUBAREA Fx_; 0W- ••L.EN5TF-t = .- Z'�.`•'St"ct. oo, UPSTREAM ELEVATION `" I23::.00 - ` DOWNS`s FREA" EL.EVAT I CIN _ # a15. E*0 l ELEVATICtV DIFFERENCE is. act TC 1S. j SO)2a.ik.:: - 19.711 14't.00 YEAR RAINFALL INTENSITY (INCH /NOUP) = 1.930 SOIL CLASSIFICATION IS "A" SINGLE - FAMILY <1 /4 ACRE LOT) RUNOFF COEFF=ICIENT = .6671 SUBA Rf.tN0f F <CFS) - 6. 7 6 «•40.6«• a aF«.car**-**4-* 41«•«•*- *%*•%it *.r,r« ««,l.r«,r,r,F,r. **4 *1***«• * 4t•,e, e +►«• 414h4t «•«• «•«•.r «•+tr iR.r�!« «•i! «•« « «• FLOW PROCESS FROM NODE 1 E+3. 00 TO NODE 1 Lei. 00 Is CODE a* 3 > >))) DES ZGNATE INDEPENDENT STREAM FOR CONFLUENCE 4 4 4 4 4 >)) > AtlD COMPUTE VARIOUS CONFLUENCED STREAM VALUES f 4 4 4 4 .a:aaaaasrasaae Raaaaaaaaaaaaara ssaaw•arasrsa saraaa ea a s- rraesaaaasarraasra asawasaasrm�r CONFLuENC.E VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATI ON4MI NUTEb) a 19.71 RAINFALL INTENSITY 4 I NC*H. l HOUR) — 1.93 TOTAL STREAM AREA (ACRES) - 5.10 TOTAL STREAM RUNOFF QCFS) AT CONFLUENCE a 6.76 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMPER (CFS) 4M1N.) 41NCH/HOUP) 1 44a. -40 13.63 .`-:. 388 e 5.39 18.63 1.997 3 6.76 19.71 1.930 RAINFALL INT ENSITY AND TIME OF CONCENT RAT FORMULA4SaC) USED FO 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUEB TIRE: AS FOLLOWS.- 49.1-4 65. 56 404. COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNLIFP4CPS) _- di 9. 1 TIME4MINUT 13. 8.:7 TOTAL APEA (ACRE:S) 34.4QQ m•sr=a =.=ss.=Mr=aW .=r.-=.r.:ass_rrsaaXm"xr =.W—s. - =.s ».W.W ==.� = m•.— Q._= .s.aa ». =as= —ter -- rss..r==r = .a--..W ..s.== ==I END OF RATI ONAL METHOLD ANPLYS T S EE �j 10 la we g jpov0000m� Rmco �- CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT 1V PATE ] JOB NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS 9/26/86 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LATERAL C (LINE B) * Q 2s 0 0 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3428 • (714) 641.8777 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PASED ON SAN SEA RNARDINO COUNTY 4SPC) 1963 HYDROLOGY MANUAL <<<<<<<<<<<<<<<<4<-'-.' 4CY Cooy•ight 198a Advanced Engimearring Software SAES- Especially pr ecar-od for HALL & FOREMAN. I NC. <<<<<<<<<{<<<<<<<<<<<<- OF FOOTHILL DRnZb) HYDROLOGY, LINE P - LATERAL C a a5 NODE 60 TO 1 iE�0 AHMED SHEIXH. J. N. 3366, 12/ --- --------- - ---------- -- ---- - --- -------------- ---------- --- - --- ------ -- --- ------ ------ - USER Sr-*E-:CjFjEry HYDPOLOGY AND HYDRAULIC MODEL INFOPW4TION.- ------------------------------------------------- USER SPECIFIED STOPM a5.00 SPECIFIED MINIMUM' PIPE SZZE4ZNC)-,) 16.00 S;ZIECIFIED OF TO USE F(..tP FFelf-'TION SLOPE 95 10-YEAP STORM 60--rj 1400-YE'AR STORPI 60-M3 NUTE: 1. 470 COMPUTED RAINFALL Z01 !.►A-TA. ST;DRM E'VE"'IT = ;E:.'J. 00 1--HOUP =- SLOPE OF INTENSI'l DUPATION CURVE SE-c• HYDPCn..03'v* tetr-YNL44�- "C"-%,"ALUES US.E*D 4 4 < , 4 .1 .1 .1 1 < .1 .1 e,' < of . e.' . . 1 11 ' . of -f 0 . , el 1 1 If e < 0 1' 0 .* { < < - *? > ) ) . '? J? '? 'e 1 '? '? "j '� } '? J� '? "? ? "? " '? 1 . '? )' '? } ? ) ? . a E i ur r-toinoi n - So f t i - r-e L s-'YE SERIAL. N-. A 0 56 kk i- PE V. :3. 1 RELEASE: DATE: 5/01.:65 < < .1 < t < < 4 < . < . 11 . -f .1 . . { < -. 1 1 01 ' 4 1 . 1 11 11 { . 0. { < < 0.'?) )).'? >.*?.*;- ) 11 11> >.*?.*,..*" >31 }>.*? > *• } ) ) ) > ) " ) ".. '? • FLOW PROCESS FROM NOW 642 le TO NODE CWA. oe IS CODE ;F. >>.?))RATIONAL METHCID INITIAL SURAREA ANALYSIS<<<<< ASSUHEID 1NITIAL SUBAPER UNZFC?F,'t' DEVELOPMENT I' SINGLE FAMILY 41/4 ACRE Y TC- Z,'qZTIA)-- FLGAW•LENG(TH Uf-' ELEVATION - 1 DOWNSTREAM ELEVATION - 1 aE.3. S 0 ELEVATION DZFFERENCE - 1 -- - -- - - - -- . - , - - .- - . =. ri Am.9 SOIL CLAS SIFICATI ON IS "A" SINGLE— FAMILY (1 /4 ACRE LOT) RUNOFF COEFFICIENT — .7415 St.38ARc -A RUNOFF <CFS) &1. TOTAL AREA 4ACRES) _ 10. eta TOTAL RUNOP-F 4CFS) — :'# . 50 ® xx x40. 6 *. kl +•+ rx♦ exxxxxxxxxxxxxx+ rxxx+ rxxxxxxirx< e♦ rw• xxxxxxxxxxx< ex <ex<ex+rxxxxx<exar�rxwxxrrsrr<c FLOW PROCESS FROM NODE 60. 4?0 TO NODE 60.00 IS CODE _ # ))))) DESZQNATE ZNDEPeNDENT STREAM FOR CONFLUENCE 4 d 4 { { aaeaassmrarasassaraaaaatasrmaa aasss -as saaaa asamsassuaarssataarsassssaxeass :r ssssnrraasea+aaaar.�ry ss.�.:- CONFLUENCE VALUES USED FOR INDEPENDENT STPEAM # ARE: TIME OF CONCENTRATION /MINUTES) — 3,=.496 RAINFALL I NTENSI TY t Z NCH. / HO tR) r- e. get TOTAL STREAM AREA (ACRES) a 10.00 TOTAL STREAM RUNOFF tCFS) AT CONFLUENCE = el 50 xit*. K.* A►.• xx itx r►•x• x• x<e•xxxxxxxxxxxr.xx<tx<c•xx «•-W '**xx«•xxxx,s•xx•Kx•n.**.***.K6 n•• is •+e•.r «•xx<..** «•<e•*xx.r41- FLOW PROCESS FROM NODE 60. TO NODE 60. 040 Is CODE E' t)))) RATZONAL METHOID INITIAL SUBAREA ANALVSIS e d d e axsesaaaaassaa :trsssassasssarsarss szrs �. a. raazrasarmaes•. rassamssssmtrsss seasss:.».rrrssrsarsrs saasa.r ASS4 tMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY :1/4 ACRE) TC — X* C 4LENt3T!-lxx;3) / SELEVA t ZON CHANGE) IAtx. e: INITIAte. SUBAREA FLOW — LENGTH =' #rivc- 1 10.00 UPST'REAtl ELEVATION' = 123;E!. +20 MWNSTREAM ELEVATION •= 3iri3.2-to ELEVATI D IFFERENCE — k. 542e TC '_ . 393-k f. f S. Sloe) 2 Atx. E. s IS. 146 6 e' YEAR RAINFALL IN ENS."ITYSINt=:H /sHOURY x E.531 SOIL CLASS! F ICAT I ON 1 5 " A " SItv�iLE — IL # '_y ACF% Lti s3k. +s�t_eFt= E.t_eEPt`- IiIEfii _ . 7:=S, SUBAREA RUNQF;- 1. 8k -If TOTAL_ AREA4AC:RE`+) — 1. a k-t TOTAL RUNOFF 4CFS) 4t.4. Atitxitxx M xxrxxxxAtxr. xAliexAtxxxxxxxxxxxxilxxilx • xxxxxxxxie•Atxxx *IF 4t FLOW %=IROC:ESS FRCitf NOD 60. 42ko. TO N ODE eti't, 00 IS CODE _ # t ) ) ) ) DESZSNATE INDEPENDEN i STREAM, FOR CONFLUENCE < 4 if d .r sssr..w.arss rssssss« sssca r...r.- r:.�.a. —.r.— =rte .sa.r- --s. -s as r..rs.=•.v: = s. —ass res. _•_ .rsa rs.szsa rs rarrr.r.= CONFL U ENCE 1. A-1 1 JES USED i-OR I NDEPEN'DE.N STREAM E ARE: TIME Car CCiNCEtit'3' RAT• I ON 4 M I NUT E S) _ # b. i's RAINFALL. INTENSXT'd =:. 5:3 TOTAL STREAM AREA 4AC - . REST =. 1. te'to TOTAL STREAM Rli JNOF'F 4 CFS) A T CONFLUENCE _ 1.64 xx -Alit it it• i!-• et•x xxxxxxxxx it x Atx A t• xxxx x Atx Alxxx x xx ilA► r, it t• it it K- *-Atit t•xxx FLOW PR OCESS FROM NODE 60.E' E' TO NODE 612t, 0 0 I S {...0DE = is ))))) RAT Z ONAL METHOD INITIAL SL & &PEA ANAL i I S , i { < { .s =rzsa m�aaasserassas =s= s— _r== .= .rarasr.— sss.s. =.-.s= . s+ zesrsa .r.rc.=- .—.r._._...rs. ».:a•.— sass- .s^»sr+.rsararrssssr._ ASSUMED INIT SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 11/4 ACRE} TC r l *E 4LENOTH*-3) / 4ELEVATZON CHANGE) 3 i`At.: INITIAL SUBAREA F'L0W--•LEN5t•'tH = 550.00 UPSTREAM ELEVATION = 122:18, oi� DOWNSTRE ELE •- 1070!3. ELEVATION DI FFERENCE — -41. T'£. ft. 50) a --.:_ _ 12. IS09 a5.00 YEAR RAINFALL ZNTENSITY ( INCH /HOUR) = e-910 SUBAREA RUNOFF <CFS Y .86 TOTAL AREA <ACRES> - .y8 TOTAL RUNOFF<CFS> .8Fa l it♦ t1C• RihitR• RRRR 1tR 1tRRR itR RRRitRRRRRRRRRRRRRR RRRRRR«• RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR FLOW PROCESS FROM NODE 68. 08 TO NODE 60.00 IS CODE m t --------------------- } } } } } i>E3If3t�lATE INDEf>ENitENT STREAM FQR CQNF<tilENCE { { { < < ) > > > > AND C014PUTE VARIOUS CQNFLUENCED STREAM VALt tE 3 { { { { sssss sssssssssss see :ssssssasaaass srsaaaaaasa ass :asaar era smsma s ss. =assasssssasasR• er CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARC:: TIME OF CONCENTRATIQN<MINUTES) le.81 RAINFALL INTENSITY < I NCH. f HOUR> _ ::. 91 TOTAL STREAM AREA <ACRES) a . , 40c�0 TOTAL STREAM RUNOFF <CFS> AT CONFLUENCE _ .496 CONFLUENCE ZNFQRMATIQN: ST REAM RUNOFF TIME INTENSITY NUMBER <CFS) <MIN.) <YNCH /HOUR) ------------------------------•------------------------------------ - - - - -- 1 e l. 50 1 e. 88 :. 900 2.8.4 16. a. 53e 3 .86 1. 81 e. 91020 RAI NFALL INTENSITY AND TIME OF CONCENT PATI FORMULA <SBC} USEs FOR 3 STREAMS. VARIOUS CQNFLUENCED RUNOFF VALUES ARE AS FOLLOWS: ea. e 3 e l. 37._:3. 7020 CQMF CQNl=LuENCE ESTIMATES ARE. AS FOLLOWS: RUNQFF(CFS> - e3.83 TIME <MINUTES) - 1c:. TQTA,- APEA {ACRIES) = 1 1. 40 RitR• M• RRRi!• Rit• RRRRf! RR• Y.• RRRRRitRR«• itR• MRRRR• Y! RRRRitRR�t«• itR• ItR«• itRit• Yt• M«• 1!• M�it•• M. •iR•RRRiIi!• «•R «•RRilRit•1!i! «• FLOW P ROCESS FROM NODE 60. eO TO NODE 70. 00 I CODE ee 3 > > > > > COMPU T E PIF'EFLC +t.t TRAVEL.TIME THRU >> )> )US CCeMPLOTEP- EST IMATED PIPE-13171- FLOW) { { { 4 { aaaassaar= raraa+ssr zaasasr srrsa�•ssaea a srareaa rasc.•ee•trsa:.r ess: a ar. a:s•s ue:a.a ra a rr. srs a sa s ssaa mssasaaaa.:as• DEATH OF FLOW IN ;F'-4 INCH F'I fi'E 19 15.9 I NCHE:.i F'ZPEFLOW VELOCITY<FEET /SEC.) 1 020. 8 UPSTREAM NODE EL 1;: :'..S. DOWNSTREAM NODE ELE4'itT ION _ l e." 6. 80%h FLOWLENSTIH 4 FEET) = 60. 00. MANNI NGS N r -013 ESTIMATED P IPE DIAMETER4INCH) : 2 : 74.00 NktMPER OF ;'I% -'ES 1 PIPEFLOW T?- RU SLtFzArai:t'-fi {f':r=S) _ ea. 83 TRAY L TIME<MIN. ) = .-402+ TC<MIN. > m 13.28 RR RRR•M #1►itR« RRRR «•R« RRRi itRRRRRRRRR�tRRRiF «• «•RR9lRihRR« i� ItR «•ik «•itMRiFR« RRRR «•«••K•RRRse4p.- tMiR F PROCESS FROM NODE 70. 0 Q TO NODE let. 42kO IS CODE 1 ) > > } > DESIGNATE INDEPENDENIi ' ST REAM FOR CONFLUENCE { % { < areassassssss= sssssassasmssssassss :asasssarsm= mxsams. —= smssaeszssss_ss :rs : sassasarss CONFLUENCE VALUES USED FOP INDEPENDENT S 1 ARE: TIME OF CONCENTRATZON{MINUTES) s 13.aa RAINFALL INTENSI TY <INCll, /HOUR} Z, 85 TO AL STREAm, AREA <AC•RES) - 1 %.� 1 TCtTAL. STREAM RUNOFF {CFS) AT CONFLUENCE - E3.83 RRRRRRR« «1► M ItR 1!« Mali! k RRR« RRRitRI[•R MRitRRRRRRRRRRRM. ipRR« «RflitRRititRRitRR11 R M itRRitilRRi�« iF« FLOW PROCESS FROM NODE: 78.102 TO NODE 70. 00 IS CODE t:: ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 41 }4 ACRE:) TC - K* C <LENGT!•t* 3) / 4 ELE VAT I ON CHANGE 3 ik «. : INITIAL SUBAREA FLOW- LENGTH - 1 000. 00 UPSTREAM ELEVATION R 1 e3O. 10 DOWNST ELEVATION m• lei is. Oet ELEVATI DIFFERENCE - 1 :. t 0 l TC = . 3934t C ( 1000. 00«•+c•3) ..` L le. let) 3-*. & - 15.045 Z-5.00 YEAR RAINFALL INTENSITY t INCt _ a.648 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY (2f4 ACRE LOT) RUNOFF COEFFICIENT = .73 SUBAREA RUNOFF <CFS) 7.34 TOTAL AREA<ACRES) = 3. TOTAL RUNOPP<C':FS) 7. 3 4 1 �«•««•• c«• ie«• �«• irie• et«• «•«ieir «ir «• ««•ieicirie+rarie•i rid i! i! «•« itie• it i! i! i! itit•«• it «•«•«• itit«• ie•«• ititiFil i!«• «•irie«•r!icir«•ie•ic«•« FLOW PROCESS FROM N 00 TO NODE 70. 00 IS CODE � # > > > > > DESIGNATE: I NDEPENDENT STREAM FOR CONFLUENCE < < < < < iiPSl.E=S.�SdCA• =.i3'SSS TSSi' tSS. SR. SS .II�iC.T..9t.S.=.:SSCSl.AS.a.SC C.aiR�i�.C.�S: S�.T..Ji'S S.� SL4'aSI.�.S.$S.SASAC T.�aSSTm'A..AaiS.aSA.f CONFLUENCE VALUES USED FOR INDEPENDENT STRE ARE: TIME OF CONCENT ION<MINUTE S) 15.05 RAINFALL INTENSITY < INCtd. / HOUR) E. 64 TOTAL STREAM AREA <ACPES) - 3.8 TOTAL STREAM RL.UNOFF <CFS) AT CONFLUENCE - 7.3-ft «•«•ieia «ir« «• «• «•« ««r. ili6«•#ie• *« **it.**4t•itr «ilieit «iti! r•ieitr. *.**«•it itit•ikiFit «iris it ««itilie i! « it « 4( .** FLOW C= ROC:.ESS FROM NODE 7e2�. iE:0 TO Nttc: 70. 00 IS CODE c: ) > > > > RAT I esNAL ME T HOD I NI I T I AL SUBAREA ANAL Y S I •S < d d d s saazsarasasasrss ss sstasrsrssss a s.=s s. xs a asarrsss.axsrsrsraesaraesss «.ssss- sssx.sasss-- .a.asra ras.- ssri:a•3.= ASS UMED INITIAL. SUEtAREA UNIFORM DE VE.LCis:•MENT IS.- SINGLE FAMILY <1s`4 i-IE RE.) TC: C: HFtING E Y 2 . r. `. is INITIAL- SUB Fi- OW-- LEN64'sH = 600. Oki UPSTREAM ELEVA- ZON =* #t_: 7. 60 Ft•[)WINIST PE sM ELEVATION • - 3 ' # S. 5%a ELEVATION D s TC •= .3y3« { 4300.12t0«•*3Y y. .Ch 'r 3 irr.. i_ •r # j. S# ;F 5. fc0 YEAR R INTENSI ! !` ttC::Ft ?t�OLtn`; SOIL CLASSI IS "A" SINGLE- FAM /. # : ACRE LOT.) RkrNOPP CO EFFICIENT SUBAREA R 4 C-F';) = f.. 3 # TOTAL AI+;EA <ACRES) •r 3. 00 TOTAL RU,'%40 F- <Ci C X «•M1li.•«•i� ili!«•i►.• ««•i!V. - * it ik•M•iki► «•i!•il it i►.•fF it iN it** 4v..** ***mkl** * ****Y.•**.* «•ilik**-0• FLOW PROCESS FROM NODE 742�, 042 TO NC?DE 70. 0 I S CODE _ 3 > >)) > DE:S IGNATE INDEPENDENT NT ST REAM FOR CONFLUENCZ , d . < > ; } ))AND COMPU VARIOUS Ct'DNFL.UE:NC:EEt 97 PEs4M VALj tE:: ,' < < < < ar srs rags= arasessa asara srsrrrr_:srss�rsr.rsssr r..srs.ssnr rr+¢ar.rsxs•tsrs rrsa.= .r. -r Sar as -r.a xt -r �•s aaesrsrrmrsr srts r. CONFLUENCE VALUES USED FOR INDEPENDENT STREA 3 APB:: TIME OF CONCENTRATZON'<MINUTEE:) ra 33.93 PA'NF•ALL INTENSITY <fNf:H. s`rtOUR? a. 77 ® Fci1s "3L STREAM AREA <AC•RES) •r 3. 00 + -?Tn_ ST REAM AT CONFL..UEN E CONFLUENCE I NFORMAT I Ot : S? E: E. AM RUNOFF T IME' INTENSITY' NL +M6Er% 4CFe.) 4MI <I NCH/ HOUR 1 ;. 453 13. 2e3 i?:. 814 7 RAI NFA LL INTENSITY AND TIME OF CONCENTRATION RAT IO FORMULA49&C> USED FOP 3 STREAMS. VARI0LIS CONFL UENC:ED RUNOFF VALUES ARE AS FOLLOWS 36. 14 35. >a9 36.07 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RLONOFF 4CF3> - 36. #h TIME SMINUTES} A 13. . 494 TOTAL AREA4ACREESY - 1a. ::_020 0Rar0eir ar0c ��r,r�reOR ae�c•Kic•a.e+r�s,r.r,r•rc «•re•�t•+�,r ie• ie• �� irr. it is •kieit••n•+t•i<• i!•ar+tiririe �o•ir•K w•ic x r•irarie � � ie•iriritie•+r♦ri0• � �t•�••k+0•ie• it FLEW PROCESS FROM NODE 70.04a 4a TO NODE 75.00 IS CODE � 3 ))))) COMPUTE PI PEFLOW T RA4+ELTIME THRU SUaAREA d 4 d { { > > > > > USING COMPUTER-ESTIMATED PIPESI ZE (NON-PRESSURE FLOWY < { r' { { = arsaeas ea�•�saae =arurrarasssara.arss sssr ara:er.a�•aarmarasassr.: e aasearsatsraas•arar aas �•a t•sa arrrar as ea sesrairartsaaaasarraarsrs DEPTH OF FLOW IN 30. INCH PI �•E I &. 3 INCHES PrPEFLOW VELOCI /8EC. Y - 9. iFll UPSTREAM MODE E: E VAT I ON - l DOWNSTREAM N ELEVATION #E#!B. FLOWLENGT !-t t FEfET Y = 50. 042t MANNI NS.Cs' N - . 013 ESTIMATED PI DIAMETER4 30.00 NLfl+aER OF PIPES # PI PEFLOW T! rs''t BAREA1CFS) 36.1-4 '"RAVEL TIME<MIN. Y - .09 TC44IN. Y 13.37 u• rr is u•*aaae****.+s+e • r.• or*****.** ie*�eaearx +c�e•it�rn+e+!at• rr+ c it i.• al i tit FLOW PROCESS F PCtM N ODE 75. 042 TO NODE 75. 00.. I S i - _0D 1 > > > > > DESIONATE INDEPEN STREAM FOR CONFLUENCE { { { •: d sisasCSSSaii^CS�s�3.�s:ls'T.�.s �ac�_�..�tr.3•�.aS. mss.?_ � ...sC.�.zrsds.r.F�CLrsassr...F S.s.�_T.� �.r..?.��.csc�.�r�.w� .srr�rs.3•� �.�.. CQ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM # ARE: f TIME OF CCCNCEN'3 RAT I E3t4 ! M:i t tTES Y 13.37 l R }" ZNFA t_ It- JTEN5I 'N ! I t�tE:!�. :�!°ti= tirt"+ 1 r" :i. &4 TOTA" S T REAM ARE44 4t-YC- ESY _ #5. iE:0 TOTAL ST REAM RUNOFFlt=FSY A T , CONFLUENCE = 3S. .14 �F 1! M. it 1! it• ik •Y• it •M i! i! iFft it M, it iF it• •M ik it ir• tt iC •M •K• i! it• i!•+` iS it• it it it••Y` it it il• it ik •r i•• i•• •w it it i! it it i►.• it it •i!• it •K• it iR• i!• it •Ir. �! it ik •1!• i! •M •1F iR 1► it• i61t• M!• it• FLOW PROCESS FROM NODE 70. 30 TO NODE 75. 00 is COPE Y > > > > RAT IE;NA= h'ZET!'3L.D INITIAL t,'_'U&ARLff F4ttfxi.Y'S f d { ; ASSt: MF_D INITI SU &AR EA UNIFORM Dr VELO;: t'MEN s IS: 9I CdO;_E FAMI !1/4 f C - Xv C 4 LENCt' -t r nr,i; :f <E.LEti. A s` I OIN INITIAL. SL IE;r!ZIEA FLOW-LENGTH = # #t klt. ti 0 UPSTREAM E:_.EIVATICtN E ►E.tWN9 3 REAM ELEVATION - 10. 1 t3. L ELEVA7 I t' D I FFE RENC-E -- # . 00 TC . 3934t- a S 1 100. ! 0 *3 Y .'` ! 1::. 4.•to Y 2 - *. 0 E '_0%.00 YEAR RAINFALL INTENSITY / I NCH/. - fAj Y - e. 55Q? SO. L CLASSIFICATION IS "A" SZNOLE FAMZLY4 /4 ACRE LOT) RLfNt=ts' COEFFICIENT - .70'67 SUB AREA RUNOFF jr CF 5Y - 10. 3( _t TO AREA SACRES) -= 51Ele TO TAL RLtNO=tFF4 -;0.36 �l1��!•It•iti¢•ilit it ll fh it it i!• ik•► Yri! it••1!�!•4!- P. ♦!i!ik ihM it it i►.•40. *i!•i!• 40.L*ii►1!'M *•IF iR••K•i!•• YAM :i!•iti!•iR••N.•i►.•at••i!•M•M 40, w* 4* 4t. it* A- Y. it •it FLOW PRLDCESS FROM NODE 75.0420 TO NODE 7..9.0Ql 1S Ct=tDE _ I Y } > > DES C+!titc =OTE I NrrEF-•ENJDEN ; STREAM FOR c` O�t�t� L4 tE r�it�E d ssssssssexsaea:�: a.- s.:.ss� ssms� •aaaam= .s.mar.�s.- »as�.mc.�.� rss: s.- .��r- axs. --=� ��.- s_sa. -�.� c _.sue. =r. �:_ra.:r.= -�_: -: CONFLUENI VAw: ELF U SED FOR INDEPENDENT STREAM a ARE: TOT AL STREAM AREA (ACRES) — 5.60 TOTAL STREAM Rt. NL <CFSY AT CONFLUENCE 10. 38 ait+ertreaacar. reaaaaaaaaaa«aa• Sartre• aaaareaaaaaaaaaaareaarc• aaaaaaaaaarear ►.•a�aaaaartaaaaaaa FL OW PROCESS FROM D IODE 70. TO NODE 75.00 IS CODE > > > > > RATI METHOD INITIAL SUBAREA ANAL < < < 4 4 rsasaassasmsssassm.= .rsmssasssssassarssmrszar sarr3.a•sasssr..rsrmsasrs_�.ar s+smr.*rsa:sssasayssaaaa.:sa.— ASSUMED INITI SUBAREA UNI DEVELOPMENT IS: SINGLE FAMILY <1 fws ACRE} TC _ K*t <LENGTH**3Y./ 4ELEVAT CHANGE 3aa. INI T IAL SUBAREA FLOW— L.E.NGTH = 700.00 UPSTREAM ELEVATION — 1 is 7. Ord DOWNSTREAM ELEVAT = 1 L 18. 00 ELEVATION DIFFERENCE = 9.00 TO = . 393x£ < 700. 00** r` 4 9. 00) t are.:?' s 1 a. 687 e5.00 YEAR RAINFALL Z NTENS I TY 4 Z NC!-!1!-tt'?LtR Y = e.899 SOIL CLASSIFICATION IS "A" SZNGtLE— FAMILY 41 ./4 ACRE LOT) RUNOFF COEFFICIENT — .7415 SUBAREA Fti't_ NOFF (CF r 3. 44 TOTAL AREA(ACRES) — 1.60 TOTAL RUNOFF 4CFSY — 3. di It, artaaaar are• aaa ie•r.aaaaaa re aaa re•aa aaaaaaaaaaaaaaaaaaaaaaaartaaaaa FLOW PROCESS FROM NODE 75.00 TO NODE 75.00 18 CODE — 1 > > > Y Y IVES I GNA T E INDEPENDENT STREAM FOR CONFLUENCE < e < < < > > > > Y AiND COMPUTE VARIOUS CONFLUENCEO STREAM VALUES-444< sassasrrarsraarr. s �ar.s Tsasar sr=ra r+assrara srarsrrmx asaesesm• aaesaarmassrssrasrsrar mars am•aeaemrr asesaaasr.•arer CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE:: TIME OF CONCENT RATION 4 M I I+tt_tT E S Y 1. 89 RAINFALL I NT ENSI TY* < I NCH. /HOt_ PY 0.90 TOTAL STREAM ARE 4ACRESY — 1.60 TOTAL S's REf•iM f+.'t NO 4CFSY AT CONFLUENCE = 3. 4-4 CONFLUENCE INFt=rPMATION: STREAM RUNO T I ME I N T ENS I TY NUMBER 4CF8 <t"Itl. } < Ir:t= # - z.ltzOt 1 :Sf•. 1 a 2 :K7 RAINFALL I NTENSI At 3 I PZ O t t�:`u :f "f�t"� "s�:�� s s w�;a R47'10 FORMt+LA( t_ +SEE FOR 3 STREAMS, VARIOUS i:.ONFLUENCED RUNOF> VAt-uES A RE fiS FOLD.{ ,u:S z 48. e0l 45. 91 461. 64 COd+ PUTEEr CONF:...UENCE EST AS RUNOFF <CFSY = •`s8, c:0 TIME TOTAL AREA I iA {= RE=S Y al S..4rvt artartartartaaartaaaaaaaaaaaaaa et aare•a aaaa * artrea +!•*'*i!•rr•a•rfaa arta•r. a F.- FLOW PROCESS FRC9 NC.'mE 75. 00 TO NODE IeO. 00 Irk' CODE = 3 >>> Y > COMPUTE PIFIEFLOW s RAVEL s IME rs RLF ® } >> Y Y t i M t S f E.Ue P _ E t_ �I tuC. �:0: �� ;E F {� E .{ �s•fT F. PI PES s �.__ irss5sr aa•= samrcarscxs -rrc. �r_rcr..:sc. r. �. ._ss:wc.xsr � = .rr.. =•cr s.:r.r. x. s.:�.c= �: =r.-•r sr »r.r. r: r. r: =_:: r. =•rr.: r.� =:. Or Ft._014 I .<.Sw S f.iL: > rr' : {-':.. I S i::•`i. 1 S ;Y {_: PI PEFLOW VELOCITY<±_ ET 'EZEC. Y -• >e.•'� UC RE AM NOLrE: E� -E. Vs r s' I s.' N ••- 1 is 1I IF1. 00 EYt= tbi!�: !+ t ELEVA ••- ie. * S. 0 FLOWLEsNCATH FEE-.7. Z.15%0. 00 MArgNI Ni:35� `a = . 01 3 TRAVEL T Z ME 4 M I N. Y - .•0 TC4MIN.) - t3.76k 11 Ul FLOW PROCESS FROM NODE laO.00 TO NODE I LO. 00 IS CODE >)>))DESZGNA-TE INDEPENDENT STREAM FOR CONFLUENCE44444 CONFLUENCE VALUES USED FOR INDEPEN STIFI'EA:11, 4 TIME OF CA)NCENTPAT ION (MI NUTES) = 13.78 RAINFALL INTENSITY (INCH. /HOUR) 2179 TOTAL STREAM AREA. 4ACRES) - e5.40 TOTAL STREAM RUNOFF4CFES) AT COh, LUENCE 48. 2 Q FLOW PROCESS FRGM' NODE ia2l" 10 TO NODE laQN.42'01 Is CODE >>>))RATZONiAL METHOD INITIA_ SU&APEA ASSUMED IN1 SUEtAREP UNIFOR!)� DEVELOPMENT IS: SINGLE FAMILY' %1/4 AZ PE Ts ZNITIA _ SUBAREA FLOW--LENGTH UPSTREAM ELEVATIi. a2116. &2l DOWNSTREArri Ei-EVATZON 1'2:1 ;FALI ELEVATION DIFFER NCE .4 e TC - - 3 9 3 - f.' 4 1 .4• 0 . 4 2s ej 13 SOIL CLASSIPIICA IS ACRE i-0 SUBAREA £,. .46 TOTAL AREAIACREB.'? '! Z C . 4 1 t FLOW PROCESS FROM Oc-.' Ell ))>>>DE8ltqNATE INDEPENDENT ST•EPMt TIME OFr RAINFALL TOTAL STREP!Y APEf- o:yc:'REE'.'? 3. 90 AT C-iWqFLLlENC-E:' CONFLUENCE VPLUES US 'r? FOr-Q.' ** • * • is • * • • V`* *V..* * *•* *1*10.14 * * -K K• it 40,K- -K * * * * it.* if.• it. -0., V K.-• -A FLOW .0 T; _!'s CODE 0_^ PA 7 ' 1 ON A_ ME 7 HOL? I'` " 1 1'4.._ S F. 3a; 1 v S c s ' AS S U ME D 1 ` i - 7 SUEtAREA rvEvEL.OF IS. - SINCILE Ti: INI'1191L SUBAREA UPSTREAM ELEVATIf-In. a 3 Z-1. 00 60 TC 3 % 17542 1 F'. ,ri S07L CLA16SIFIr-A -IS "A" S I NOLE-FAM 7 : -.Y I / AC R ._G RUNC.I. COE F F C. OF C 9� S Y SUEW4REA PUt4L FLOW PROCESS FROM NODE 1 00 TO NODE I el�. 4 IS CODE > DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < < < COMPUTE VARIOUS CO?0:LUENCED STREAM VALUEBS ie.S� as CONFLUENCE — VorkLUES USED TIME OF CONCENT RAT ZON<MI NUT ES) t Ili RAINFALL INTENSITY <INCH./HOUP) 8.e5 TOTAL STREAM AREA <ACRES) — EN:. 10 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE CONFLUENCE ZNFORMATION.- STREAM RUNOFF TIME INTENSITY NufffrER IICFS) 4MIN.) 6.46 1 cl. F 3;2d# :3 8. 34 19.71 ;R�. a47 RAINFALL INTENSITY AND TIME OF FORM ULA64S&C) USED FOR 3 STREAmS. VARIOUS CONFLUENCED RUNDF VICY;-UES AS 5 a. 6" CS- . 53. e7 COMPUTED CON=LUENCE ESTIMATES ARE AS FOLs -01s4lB: RUNOFF 4 CPS) — I! i 8 . I F-1 7 TZME4MINILPTES i.i. 7 71P... TOTAL? AREA%ACRES) — 34. -40 END OF RATIONAL METHOD ANALYSIS L•; c. a& h g g pov000w� pmeo OVIL ENGINEERING • LAND PLANNING • LAND SURVEYING susscT sv a►>� = No. sMe�r oc MASTER HYDROLOGY STUDY JOHN SIMS 9/26/86 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN 0 LATERAL C (LINE B) * Q100 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641.8777 aaa =: sass: s: aaaasaaesaaas ss�asasasaammamaaasaaass.�e -- — saaarssaassssassin MMAW.WW.W RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM RASED ON SAN BERNARDINO COUNTY <SOC} 1963 HYDROLOGY MANUAL s waasasssaasasmsaamssssarsassaaasaamsassaasssmm era* m .:aassaaasassassasssaasamsssssr s {{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{} y}}} yy } }y }y } } }}yyy } } } } } } }yy }yyyyy }}yy {C} Copyright 3962 Advanced Engineering Software a CAES3 Especially pr•epar ed for.- : HALL & FOREMAN, INC. arirararae+e•+rru + sDESCRIPTION OF RE�3�3LT9+ r���rieisuxiearieie�rre�e+ rit+ riru�rir+ eae•ir+e�rarie�e+t+rx+enKU�e�e� tar * FOOTHILL DRAIN HYDROLOGY, LIME S — LATERAL C +r * Q 100 NODE 60 TO NODE t &0 « x AHMED SHEIKH. J. N. 3366. 3a/7/66 +` +r+e• w•x•�tic arar � x•,r..•.r � ie•ir w•ar �e•�e•tr rr•�rrs+r+t �r � ir+�•,a+rx ar w•�ear w•w•rtar ar+e war w•.e••n•,r w it «•+e• ar �r ie•n w•ae•+r+c,e•ie,r� � •u•,r� is it �r+t+e•ae •r. --------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMAT USER SPECIFIED STORM E VENT'• < YEAR} 100.00 SPECIFIED MINI MUM PIPE: SIZE<INCH} r 1 SPECIFIED PERCENT OF f3F}AfrIENTS «?ECIMAL} TO USE FOP FRICTION SLOPE a .95 10— STORM 60 — MI NUTE INTENSITY < I NCH. /HOU } a . 960 100 — YEAR STORM 60 INTENSITY<INCH./HDUR} 3 .470 COMPU RFsZNFALL INTENSITY DATA: STORM EVENT = 100.00 3 —HOUR I NTE_NS I TY < I NCH/HOUR) — 1.4 SLOPE OF INTENSITY DURATION CURVE — . SeOQ" SEtC HYDROLOGY MANUAL "C "— VALUES USED Ac#4�nc�G Enrsirse!er -irtr{ software CAESI SERIAL N%n. A0560A REV. 3. 3 RELEASE DATE: 5/03./85 {{{{{{{{{{{{{{{{{{{{{<{{{{{{{{{{{{{{{{}}}}}}} } } } } } } } } } } } } } } } } } } } } } } } } } } } } } }} Heir *V..•4t�.W *.**41.***4t- .*ir•K•te•u•�+t rrie �e+eat+r+t•+t•+rat•a�** gait•****• a• t+ �+r�++c�ie♦eirxitie** niritxic�r+�+e+raew• FLOW PROCESS FROM NO DE 60. TO NODE 60.00 0 I S CODE — } } } })RATIONAL METHOD INITIAL SUBAREA ANAL YSIS < { { {{ s.•isamsar_ ssaaaaaaraar.. seas=. ss+ r.. aasarsmasxsasassrmaaav ..a�a�»maerrassasmaua .mss :.aass■.vaaassasaes :.a ASSL44ED INITIAL SUPAREA UNIFORM ® DEVELOPMENT IS: SINGLE FAMILY <1l4 ACRE} TC — K* C < LENGTH** i ,/ <F.LE%- , ATION CHI = NGE} 3 xt'. is INITIAL SUBAREA FLOW— LENGTH — SE0. Cite UPSTREAM ELEVAT = 1Z36, 00 DOWNSTREAM ELEVAT •s 3c_ 3. ELEVATION D IFFEREN CE = 114. 5e& TC •_ . 393* C < Sao. eZ►0**3} / < 14. 50) 2 **..:: — lie. B$3 3 ".00 YEAR RAINFALL INTENSITY<INCH /HOUR} = 3.700 SUBAREA RUNOFF 4 CFS) E$. 31 TOTAL AREA 4 ACRES) - 1 et. 00 TOTAL RUNOFF ( CFS) E$. 31 1!* *** *Vit**.*iFilR** W*4tqt-**.***N 11itil 11lF*4t** .*1! *RQ1l *QiliF*llfFililllil****.*�tit FLOW PROCESS FROM NODE belt. 00 TO NODE 60. IS CODE - 1 -----------------------------------------------------------------------------•-- ))))) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE a marsasmssssraaaurasasaaarrssas.« a: sremaaaaaaasassaas . « :ss :aassaaasaaaass CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENT a RAINFALL INTENSITY (INCH. /HOUR) - 3.70 TOTAL STREAM AREA (ACRES) = 1 TOTAL STREAM RUNOFF 4CFSY AT CONFLUENCE - :'£0. ! !itiPi!*F * * ** [•1!•!!•1t * * **** * ** * * ***** * **i *qt.* ** ****4tOh * * *W.* **** FLOW PROCESS FROM NODE 60.30 TO NODE 60.00 IS C ODE _ a )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS << assaaaaaaraaasssssasasasa assrsssaaase.« sr assrsarassassssssassamaassrssassasaa s.sasmarsaess ASSUMED INITIAL SUBAREA U N IFORM DEVELOPMENT IS: SINGLE FAMILY 4 1/.4 ACRE) TC K *C 4LENGTH* *3) / 4ELEVATION CHANGE) 3*+. INITIAL SUBAREA FLOW - LENGTH - 10Z0ec'�0.0200'0 UPSTREAM ELEVATION - l 3 e. Gtr DOWNSTREAM ELEVATION - 1EL3.5G ELEVATION DIFFERENCE _ 6.50 TC .: . 39:. *C 4 10042e. 00'h**3) / 4 $. 50) 3 * *. e a 16.146 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 3.::31 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY 41 /4 ACRE LOT) RUNOFF COEFFICIENT a .75e7 7 SUBAREA RUNOFF (CF 9) - L'. 43 TOTAL AREA 4 ACRES) = 1.00 TOTAL RUNE 4 CFS) - � 3 * *0rit+t�r * * * *�r *+e *+e *ar�e�r •r�e•ie *•r. •t * * *it *•rc•u• * *i► *�rirarr. * *r. * *•�• *i0••n•+rrt•+t *�r *i ear* •r.•teie�t * *�e•ar * *ie *+e *+t* ** FLOW PROCESS FROM NODE 6020. $02t TO NODE 60, 00. 15 CODE 1 ))))) DESIGNATE INDEPENDENT STREAM FOR CONFLLfENCE < < 4 < 4 s sa�rsvaaaarsssssaa ss ssrssssssss ssassr ssrsam srsa- raassmss sasssssssssasasasxssssasss_s CONFLUENCE VALUES USED FOR INDEPENDENT STREAM & ARE: TIME OF CONC_'ENTPATI ON4 MINLOTES) _= 16.15 RAINFALL INTENSITY 4 INCH. /HOUR) - 3. 21 TOOTAL. STREAM AREA 4ACRES) _• 1. 00 TOTA STREAM Rt tNOFs- 4 CFS) AT CONFLUENCE _ .=:. rs 3 * * *�+• *r. +R *+toi• * *r. * *r. ir�•ir•�e•+e• *rs+rir •ri arr. **+ r� •+�•�ie•+eit * * * * *�t+t• * *ar *•r. iririr+r•is *�r *w•�s *ar* * *r. * * *�r **•reir•r.• FLOW PROCES:. FROM NODE 60. TO NODE 60.00 IS CODE ))))) RAT I CONAL ME THOD INITI SUBAREA ANALYSIS 4 < 4 4 < .ar.s. -a. ssraasstes saasass.«.«szssrrmssrssss.« sarrms sssasssasss .•assssmsmssmrsasssas sawaaass:sss s ASSUMED INITI SUBAREA UNI DEVELOPMENT IS.- SINGLE FAMILY 111-4 Af RRE. ) TC s K *C 4LENGTH * *3) / 4ELEVATION CHANGE) 3 * *..=_ o INITIAL SUOAREA FLOW- LENGTti = '550 "020 U; ELEVATION - 1:::_F_0.Ott DOWNSTREAM ELEVATION = l e 3. 50 ELEVATION DIFFERENCE - - 4.5010 TC s .3934\ 550c�. 02403 -** 3) r' 4 .4. 5Zc 3 -**. ►:.: •� 3 $i20�1 100.00 YEAR RAINFALL INTENSITY4INCH /!^to_OUR) 3.713 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY 41 /mot ACRE LOT) RUNOFF COEFFICIENT .7653 �«• at�rw�e�• �e�r+ t«•«• ar�r�e• ae+ eae «•it�e•�c�r�e•♦r+�+e«•+sie�r�e+ tax+ t«•« «•«•«•• �t• trar+ e•«• x�e�e• �t«•«• �t•+ e•«• irar�rae «rr«•a�«•+elsKtr�u+e�r�+rr. «• FLOW PROCESS FROM NODE Sit. 00 TO NODE set. 8O IS CODE i 3 ---------------------------------------------------------------------------- )))))DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE{ < < << )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES < < (<< aAaal laasasaassiiTaiassasaaasifas SI's aAa! safrssasasasa TOPSSSa sASSissia s sA Ra9las =saA!!!S CONFLUENCE VALUES USED FOR I NDEPENDENT STREAM 3 ARE; TIME OF CONCENTRATION {MINUTES) la.81 RAINFALL INTENSITY {INCH. /HOUR) 3.71 TOTAL STREAM AREA {ACRES) _ .40 TOTAL STREAM RUNOFF<CFS) AT CONFLUENCE = 1.24 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER <CFS) {MIN.) (INCH/HOUR) t Ea. 31 1 Ze. 88 3.700 E' x.43 16.15 3.: =_31 3 1.1-4 2L. 82 3.713 RAINFALL INTENSITY AND TIME OF CONCENTRATION RAT IO FORMULA (SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCES) RUNOFF VALUES ARE AS FOLLOWS: 31.38 2 -Is 31. 1 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS; RUNOFF (CFS) = 31.36 TIME {MINUTES) = 107. 881 TOTAL AREA {ACRES) = i 2. - l o o aeaeae� +t«••Kae«•«• «.r«•r.trwa+t «• «• err.+ t« u«• �«• �t, r«•«•+ era�e�r«« �e«• u• �eaarx«• r r e•«•+ r. e+ e+ �. c�«+ r«•«• +�ar•r.•r. «rc•kie�e«•«•�r+r+r+� _ FLOW - PROCESS FROM NODF 60.00 TO NODE 70.00 IS CODE i 3 ))))) COMr - FIPEFLOW TRnVELTZME THRU SURF' REA < < < d e )))))USING COMPUTER- ESTIMATED PIPESIZE {NON PRESSURE FLOW) < < < << �faAta!!a eA RLT.T. AAiSTA' TiCL' RSi'.i7' R' TS ASiii3AiT T LT iiA iRAAAA C iTA CLA R IiT.CAAA ii' RARAAAASRAAR RiiA.SL' DEPTH OF FLOW IN ;:'7.0 INCH PIPE IS 17.4 INCHES PIPEFLOW itELOCITY<FEET /SEC.) - 11.6 UPSTREAM NODE ELEVAT = le 3.50 DON+NSTREA14 NODE ELEVATION — 2c:16.50 FLOWLENSTH { FEET) — Elao. 00 MANNI NGS N — .013 ESTIMATED F'ID'E DIAMETER <INCH) = E7.00 NUMBER OF PIPES � 1 PIPEFLOW THRU SUBAREF4 4CFS) 4= 31.36 TRAVEL TIME {MIN.) - .38 TC {MIN.) 13.e-Z, aearararararaeae «•«• «•araer. «• a +r+t+�+r«r+�+e+ear«•ie«•ir«•�c• Kee««•• K�r�r+ r«•««•+ ��c +r+c«•�c.r«•«•+eac«•ie•+r«••r. �e• rr« •«••�r«•«• «k•�r«•re«•�r�•+e•+t« FLOW PROCESS FROM NODE 70,00 TO NODE 7+h. 00 I S CODE 1 ))))) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < < { . �.• rsaasasaa�aeas�sASSaAaasasassrasarrxaa .xssaasas srasasmasr ssassrxssesas saarsssssrssassaasar. s CONFLUENCE VALUES USED FOR INDE'PEN'DENT STREAM 1 APE: TIME OF CONCENTRATION {MINUTES) i= 13 RAINFALL INTENSITY < I NCH. f HOUR) _ <. 5 TOTAL STREAM AREA {ACRES) = 21.49 ® TOTAL STREAM RUNOFF <CFS) AT CONFLUENCE 31. 36 ar ae «ae « «•+r «ar ar «ar ar ar r. ar ar ar ae ae ar araeae ae at aeae K ae aeae ar «•«• aeae ar ae ar aear ar ae ar ae near ae «star «near ae ar ae «• «ae ar « «ar at at ararae atatae ae ae•r. FLOW PROCESS FROM NODE 70. 1 ter TO NODE 70. 00 ZS CODE m E )))))RATI ME THOD INITIAL SUBAREA ANALYSI S<<<<< ssrsasas+ as��sasrsaasaasaaasaaaAasnaam' sasaaasaA: AavasAasAaaass. �smaassa�raass +s+sr— .s+assa.•=•tms TC K*f (LENGTH -**3) / (ELEVATION CHANGE) 2**. L INITIAL SUBAREA FLOW - LENGTH = 1000. 80 UPSTREAM ELEVATION 2.'�.30. 10 DC94NSTREAM ELEVAT m fE` 113. eo ELEVATION DIFFERENCE 1.'-11.1 TC - . 393- £ < 1000. 00-* * 3 Y / < 1 E. 1 o )r 3 E a 15.045 ® 1 of 0. @0020 YEAR RAINFA I NTENS Z TY < Z NCH/ H Y = 3.371 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY (1 /4 ACRE LOTY R UNOFF COEFFICIENT = .7567 SUBAREA RUNOFF <CFSY = 9.59 TOTAL AREA<ACRES) = 3.88 TOTAL RUNOFF a 9.69 •ku•�ae�o•u• x• a•ara�+t��exarK a ie �r �r ie v.• � �s r. �s aric �t x � � ��K •k�••K+r ir•k �r ar+r� w•+etrir+rae prat ie �+r�r•K+t+c+e+r �r+t• at ie•�e•x�cit �t�r �•�t n•x• FLOW PROCESS FROM NODE 70.00 TO NODE 70.00 18 COME t ---------------------------------------------------------------------- - - - - -- ? })>)DESZONATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< saariarasraaraaaaaarraemmmssastmassaar :aaaaraasessaaaaaaa assassav+ -r sasasraaassaasaa :aaassassm.- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM c? ARE: TIME OF CONCENTRATICON<MINUTESY 15.05 RAINFALL INTENSITY < ZNCH. /HOUR) = 3.37 TOTAL STREAM AREA (ACRES - 3. BO TOTAL STRE RUNOFF<CFS) AT CONF LU ENCE s 9.69 �e�e•K+eae�r arse xir year �► it ie• a �c•ie �e ac r. arar+e+e r. ar ie•+r+r � �e �ae,r+c.a,e,rx is,a� •r ♦r•k n•+r �r x � �r+r •r �c it ae ae�r+t+r+e+r+e•+r+e •K tk � x x u+eKir x• FLOW PROCESS FROM NODE 7020. eO TO NODE 70. IS CODE ) k >)) RA T Z ONAL METHOD INITIAL SUBAREA ANAL. Y S Z S r, < < < < assAw".w aaassamxs saramss.•srsssssasssaa+r aasaararrrsrasssasaraaasraaarsss s :saasaasmsasmaaeaaa ASSUMED I NITIAL SUBAREA UNI ® DEVELOPMENT IS.- SINGLE FAMILY <1/4• ACRE) TC - K-*C <LENSTt- **3) / <ELE%dATZON CHANGE) I**, INITIAL SUBAREA FLOW -- LENGTH = 800.00 UPSTREAM ELEVATION m Ii:-! 7.602r� DOWNSTREAM ELEVATION - 1 1B. SCE ELEVATION DIFFERENCE n 9. 142k TC - .393-p!'4 $�ttL�1. tf ift 1► ♦. 3 ) / < 3. 1 0.'i Y ? A.*. e - 13. 1 0020." YEAR RAINFALL INTENSITY<I H /HOUR) - 3.530 SOIL CLASSIFICATION 15 "A" SZNIGLE- FAMILY < 1 /4 ACRE LOTY RUNOFF COEFFICIENT - .760a SUBAREA RL.OND <CFS> - 8. OED TOTAL AREA<ACRES) - 3. 00 TOT RUNOFF<CFS) d.+206 *ukl.** i xriei **.*.***+er.+t�e �t+ enirrr +rie+ere+rr♦e«irxrs+taa+rrit+ tit t•* mitre• •rr.�rie FLOW PROCESS FROM NODE 7021. 80 TO NODE 7421. 00t"� IS CODE = 1 )) > > Y DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < e < < ) > Y Y AND COMPUTE VARIOUS CONFLUENCED STR'EAftf %NaLUES < < < < < sara ssaaaasararrsa rraaaar.s.unrrr aamsar a r.:rrramaaaasaa aammarsr rr a �•m.sammmmmar rr:crssra a.r •a•araa..s ar s aa.c• CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION<MINLITES) 13.93 RAINFALL INTENSITY (INCH. /HOUP -> 3.53 TOTAL STREAM AREA {ACRES) z 3.00 " TOTAL STREAM RUNOFF <CF S Y AT CONFLUENCE - $. 06 0 CONFLUENCE Z NFOP.MAT Z ON : 57' REAM PUNOF•!= TIME INTENSITY NUMBER (CFS) <MZN. ) < ZNCH /HOUR) 1 33.30 13. e6 3. 637 ;? 9.69 15.0205 3.37 3 5.0206 13.93 3.530 FORMULA ( SRC Y USED FOR 3 STREAMS. VARIOUS Ct:tNFLUENCED RUNOFF VALUES ARE AS FOLLOWS: fi7. 59 i6. �r7 k7. y9 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) - 47. 59 TIME (MZNUTESY = 13.:=57 TOTAL AREA (ACRESY - 1a. 0 a a�irae+<• iF4L tzar at�e•K� �xtt Ott 4r4t �t pie• 4*. ♦t ae �e a+� n•+e K it+e 4r x ata� �e•4e4t4r4e 4e it�t+t 4� 4t 1! �x ae• iF4t 4tr. 4e at ie•+e•at•+r+r•u• 4F4F4l�f itie 4r4rr. 4!1! *• FLOW PROCESS FROM NODE 70. TO NODE 75.00 IS CODE = 3 ---------------------------------------------------------------------------- )))Y) COMPUTE PIPEFLOW TRAVELTZME THRU SU&AREA((((( )))>)USING COMPUTER- ESTIMATED PIPE-SIZE (NON - PRESSURE FLOW)((((( ssaaaaamaasassaaaaa waaa: era+ saaasararaaaasrmaaeaasraasaaeeaeasaa • =aeaaaaaamaaaraaraarar :aaaeas DEPTH OF FLOW IN 33.0 INCH PIPE IS a5.0 I NCHES PIPEFLOW VELOCZTY(FEET /SEC.Y a 9.9 UPSTREAM NODE ELEVATION = 1218.50 DOWNSTREAM NODE ELEVATION - 1E1B.00 FLOb,WLENOTH ( FEET) - 50.00 MANN I NGS N S . @413 ESTIMATED PIPE DZAMETER( INCH) = 33.00 NUMBER OF PIPE'S = 1 PIPEFLOW THRU SUECAREA(CFS) 47.59 TRAVEL TIME (MIN. Y - .06 TC (MIN. Y = 13.34 a�ie•ao-ir ararat�+r� 4r4e• arar�t+a�+s 4L � r. � 4t iti! �• � �k � 4F•1! iF4! ih4F ik i! it•4k •n•+e•+e 4e 4t 4l�F � 4* 1t 4! it+e•4! 4e � 4F 4! * * 4! 4* 4!1! 4P � 4L r. 4h4e•4k iru•u•+eie•+e FLOW PROCESS FROM NODE 75. TO NODE 75. IS CODE ,a 1 )))))DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE((( {( arsst�arsraz rvrsaaaa�ssssaearrrasaassssr+ a�asaxfeasae .�•.ssssagss+�sass.�siss -- � rz »ass »smsasarsssassrmaeasas CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) 13.3•4 RAINFALL INTENSITY (INCH. /FOUR) g 3. 60. TOTAL STREAM AREA ( ACRES Y 18. E: o TOTAL STREAM RUNOFF 4C:FS) AT CONFLUENCE - -I+7. S9 a •arxir4r+t•rr4rrt4e•4r4rr.4er. aex•4rxrritr. xirrr�•• Kae• it+ e4c• �r�4r4r+ t4r+t•tt•4t+e••K•K4rx+e••�r4r•r. x•K•�ic•it••r. r. •�r�:•4t+�•r.+tr. a •ae•ir4s•ie+e•w+e+ri►.•�e•4e•fc FLOW PROCESS FROM NODE 70.30 TO NODE 75. O'240c� IS CODE e ))))) RATIONAL METHOD INITIAL SUBAREA AN L. YS I S { 4 { { < aesessasaxrsaa:sassaas »assns ».� ssasamaasarasaaaxr:¢ msrsasrsmaassssearsarsaxxrrsa •sssssss »ssssaz .ssass» ASSUMED INITIAL SUBAREA UNIFORM DE'vELOPMENT IS: SINGLE FAMILY (1. /4 ACRE) TC - M *t (LEN6TH**3} f (ELEVATION CHANGE) 2**. c_ INITIAL SUBAREA FLOW-LENGTH = 1100. 00 UPSTREAM ELEVATION = 1a30.042 DOWNSTREAM ELEVATION = 1:::1$. 00 ELEVATION DIFFERENCE = 1E.00 TC - .393-f/ 3 3 tc�+ 4. 8fh+r ie 3) r` ( 1 a. 0Z4o Y .t ate•.: _' 15.957 l e4a. t2 0 YEAR RAINFALL Z NTENS I TY (I NCB t f HCtS tP) - 3.a54 SOIL CLASSIFICATION IS "A" SINGLE- FAMZLY (1./ ACRE LOT) Rt}NOFF COEFFICIENT 7 53 4 SUBAREA RUNOFF (CFS) = 13. TOTAL AREA(ACRES) - 5.60 TOTAL RUNOFF(CFS) z 13.73 ® a�r��ar+ e4e• ir4e4e�+ ea4ear�+ e+ rw•+ c• r., e+ ca•+ r�4r�rr4e• �c• 4e4e4t4a+ e•+ e• arrr�4e•• rrre+ t e• 4 e• �ar ic �• 4 r• ier•• r.• �c r. ar +ex FLOW PROCESS FROM NODE 75. 00 TO NODE 75.00 IS CODE 1 ( -- .----- _.--- .--- _----- _. - -.. )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE-6 +d( sarssrsa �ns.•ssr_aaar »assssrss »ssssssmas:s_rssssressass aassss»aassasrsysasms saaassr..axxsrssasarar »_r »= » CONFLUENCE VALUES USED FOR INDEPENDENT STREAM Z ARE: TIME OF CONCENTRATION a 15.96 RAINFALL INTENSITY (ZNCH.,HOUR) = 3.85 .e.e.e.e.e.o-.e.e.t.o-.e.e * * *.o-.e.o-.e.e.e. a .e.e.a.e.e.e.e.e.e.e.e•.e.e.e.e .e.e.e * * * u•.e.e.e.r.e.e * * * a.e.e.e.e w• * * * u .e * * * r. FLOW PROCESS FROM NODE 70. 40 TO NODE 75.00 IS CODE R ie ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS44444 s: arse sasasassasassaaasaasaaasaassayssaasaasasasasasasasasassssssasasssaaasa l ASSUMED INITIAL SUBAREA UNIFORM DEVELDF+MENT IS; SINGLE FAMI 4 1t4 ACRE) TC : K*C 4LEN4TH**3)1 4ELEVATIONt INITIAL SUBAREA FLOW - LENGTH a 790b.040 !UPSTREAM ELEVATION - t.° 7.OB DOWNSTREAM ELEVATION a lie 1 8. fate+ ELE VAT I ONt DIFFERENCE a 9.00 TC - . 393«•[ 4 700.01 -w*3) / 4 9. to) 3.e.e. E - 3.t`.. 8A7 100.00 YEAR RAINFALL I NTENS I T V 4 I NCHJHOUR) - 3.699 SOIL CLASSIFICATION 18 "A" SINGLE - FAMILY 41 / ACRE LOT) RUNOFF COEFFICIENT - . 765et St484RREA RUNOFF 4CFS) as 4. 9. 3 TOTAL AREA4ACRES) - 2.60 TOTAL RttNOFF4CFS) - 4.53 ait•.e.t.e. *-V. .r.► •r •r.* * * * * *. * * 4t.* **it*** * * V.•.e• r..r.r.c•* * * a * * * n•.r.r.t*.r.t•.t•.r.r * *+-. u•.t.r.e.r.e.e .t.�.t.e.e FLOW PROCESS FROM NODE 75,400 TO NODE 75.00 0 I S CODE - 2 ))))) DESIGNATE INDEPENDENT STREAM FOR CONtFLLIENCE 4 4 4 4 4 )),),),> AND COMPL VARIOUS CONFLUENJCED STREAM VALUES 4 4 4 4 4 ssasstsasersssssasm•.: salsasasrar arsraarara.asaasta•.ar. arrasrrr_r rarmrcrr.• rsr_ rn+• rss :.e.- rarsarasarisransrassss�r CONFLUENCE VALUES USED FOP INDEPENDENT STT:E•.s-'M 3 ARE: TIME OF CONCENTRATZONt4MINt_tTES) le.89 RAINFALL INTENSITY a-: 3. 70 ® TOTAL STREAM AREA (ACRES) 1.60 TOTAL S'T'REAM FtUN DFF-' 4C=•F.S" AT CONFLUE:NC E Y 4.. S:s CONFLUENCE INFORMATION STREAM RUNOFF TIME I NTENtS I T 'v` NUMBER 4 CF S) /MIN. ) 4 I Ntt= -Ft. +` H0t f 3`+: ) i 12i. 73 15%. 96 3. ;E'5•s 3 4 # e. S9 3. IF RAINFALL INJTEN SZT 'v` AINI ": T IM E. O;= CONCE` 'T!:;^AT:tON R;lf - FORM!_ +LA 4 S&C•) USED FOP 3 STREAMS. VARIOUS CONFLLtENCED RUNOFF +.'ALUE:S ARE' AS f ;+GJ : s 63. 15to G`42t.4S 61.59 C0W,UTED CONJFLt_ +ENCL ESTIMATES ARE: AS FOLLOWS: RUNOFF4CFS) r 63. 5121" TZME4MINDIES) j= 33. 3.41 TOTAL AREA (ACRES!) eS. -if 0 .t.e•+e.►•+e.c +r.e.e.e•.e.!•.e.t w•.e•.e �e• •K• «•+t.r.t+e•.e•.t.t• ie n•+e +t.e r. •�• �•.t.t.r.t.c• •w.r •r.• �• •�,r •n•+r.c• �• *.e it.c •r. at.a •�• ie• +t at• it •►e.r.r.r.e.e.t w••rt FLOW PROCESS FROM NODE 75,00 TO NODE 100.0 I S CODE ._ 3 )))) )COMPttTE PIPEFLOW TF:AVELTIME THRtC StlSsCREWs d ; { ; )))) )USING COMPUTER - ESTIMATED PIPAESIZE !Nth ?sv- rF�ESattR__ s= ._Crib ::ti ® saassrssssrssssssasa u•srrrr er aar:r- srarar raasar rraast s=rr M.:T. ors.' a -.r a.r zs .ssa :.s.- =•rx:szorxrata sawa'"saz r.= DEPTH OF FLOW IN 36.0 IPIPE tCPIPE IS c_:7. I NCH ES. PIPEFLOW VELOCITY 4 FEET/ SEC. ) z 1 3. x'; UPST NODE EL r 3 iZ! t 8. tc' 0 DOWNSTREAM NODE ELEVATION = # E# 5. O FLOWLENOTH 4 FEET) •_= ie5o. 00 M ANN NGS Nt = . tc w ESTI PIPE DIAMETER4I 36. 00 NUMBER OF PIPES = 1 PIPEFLOW 'THRU SUBAREA4CFS) - 63.50 �t*•.r,►,. rrar ae� ae+e,ra�,ra�,ra•,r,r,a+r � K.e+r �•atu �t irx �t is �t �t x•ir+t+t+r+e• *•+r «•+t iriM•ie•ir+t�r•x+a+�• w+t• it M• *•r. w•+e+t •n•atie• �e•ir •n•ae•i<•,r it it •x•it it• FLOW PROCESS FROM NODE 1 O. 00 TO NODE 1 a0. 00 I S C ODE _ # Y Y Y)) DESIGNATE INDEPENDENT STREAM FOR CCZNFLIJENCE 4 4 4 4 4 r.• mrraaaasaasr3 'a�+asASrramAAarssm aaJSassaan seas. G. awra.. sr. asrsr .mssa.�' » ». =.siaasraassrr.�.ar. aacr _.::• CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I ARE: TIME OF CEYNC:ENTRAT 13.7E RAINFALL INTENSITY 4INCH. /!-OURY 3. 56 TOTAL STREAM AREA 4 RC RE S > - a5.40 TOTAL STREAM RUNOFF 4CFS} AT CONFLUENCE = 63.50 1C1e i! X �elr+eie itlt 1r �F aF 1k �e +! �t y yr iR * * to * * * * * it.Fit *. * is ** +' 4k' ** * * * it it it 4t-*-* •r. it to it it it it•it i!• it•* it * * it * it* a! ie• i! it re 1[ +e it it' FLOW PROCESS FROM NODE 1 2 1 0. 10 TO NODE 100.00 00 I S CODE r )) } 3 } RATI METHOD INITI S UBARE A ANAL YSIS 4 r, 4 r, i' riRl 1. aaiP34SSSi=ASrS.=r.4'i3SA.aA.m' SS�•A.3C.�..� .C..'�A.'.t.AC T.ffi.aS T.3S 3i.� St.Z'.X:S.�.�i'.S.�t.�. �.T..YL.w»:.�...:�.T•.�.S+.T» �.� .�.� .ALT ».� ».' -'-': ASSUMED INITIAL SUBAREA UN I FORM DEVELOF44ENT ISz SINGLE FAM / l/4 ACF4EY TC — K* E 4LENSTI-t**3Y J 4ELEVATZON CHANSE} 3 * e INITIAL SUBAREA FLOW—LENGTH — 1400.00 riR0 UPSTREsPIM ELEVATION #a`- :c :6. 60�` DOWNSTREAM ELEVATION = #:: # 5..' o ELEVATION DIFFERENCE — 11.40 / L J0 / TC S° . 393* E 4 # �t6.�te�. te't�3it+t.3 Y ./ 4 11. .tt Y 3 **. Ee - 1 # 100. YEAR RAINFALL INTENSITY41NC ^# /HOUR) -• .965 SOIL CLASSI Ins "A" S Z NC%LE- FAMILY 41 ! ACRE LOT) RUNOFF COEFF I C Z E!' 7 - .7-439-t SUBAREA Pi +. ?4c?FF 4 CF:.i Y z 3. 64''i TOTAL AREA 4ACRESY = 3. 550 TOTAL R! NOFF 4CFSY at ie• it ie• ie w• is it +t r. a it it ir.• •r.• it it it it• it it it it it it it it it it ih ie• it i4• it ir• it ii• ir, *• ♦t it• •+t it it ;t it it it it •k •r it it it i!• ie• it i!• it ;'• ie• it �• ie• ie• if *• it ie• ie it •i• it it ic• FLOW PROCESS FRi =t!Y': NODE #EO. 00 TC NODE 10_O. C.0 is CODE Y} Y Y Y DESIGNATE INDEPENDENT PENDENT STr:EAM FOR CQNFLUENC=E 4 4 4 4 4 asasansassrrsaa M r= as. -ir= rv.� —.: •c.c.s w.ms.r. � —.— _ ='.�.m = :- s'. ».r. s: a:n.— .= .v. —.ca —.._ ._ .:_ a.:-.—:.�.:•.r.= .�.__ ::.:.— .-- r.rs.v.s.» _ — CONFLUENCE VALUES USED FOR. ZNDEF Et1ir£:N� ST EArr,' a �•tRE . T IME OF CCe3�tCE tTFf ;T' IC!:4t!±ittd!" E�}Y - -• 18.6 .3 RAINFALL INTF:NSZTY E. TOTAL STREAM AREA 4AC PESY ; <. S TOTAL STREAM RUNOFF 4 C:F S Y AT 1! 1t 1! K' �! •It• iF•K• it1! fit it iFit it i!• ir.' it iF it it it 4t". it * •it• •A• 9! # i!• it• it iF it* i!• •it• it it• i/.• it i7 •M it it it * it i•• i! it M i! M •R •iF it i! ;1• it i! it i< •it it •M ;!• it• it i!• it it i!• •'VI 7! FLOW PROCESS FROM NODS. 120.00 TO NODE 1 a,2" 00 1 S z:Or" } } } } } RA T Z ONAL ME THOr Z N T I A SUBAREA At•tc ;i. l'S :: 4 4 A». as .�'.S�S.aSS »S.aS.L:iC:.tSSir.� TTl.� »AS.a a'SS. �3T.T1.2'�.�.Cat L'.C.�...3 ".:�.0 �.:l�S:�. ^.'.�.� : �: �.:C �. �.:�. »•.�.:..^..:: '.:C: �.3:.:: •.� T.� �'. �.�:.— .T.:•.�:. =:. :' ASSUMED I N Z T I AL SUBAREA R U T. Ft=t,RM DEVELOPMENT IS: S.T.NGLE FAMILY 41 A •'PE: TC ••- K* (LENGTH-v '3Y./ 4ELE4'ATZ C:HAN'GE i 3**- INITIAL SUBAREA FLOW — LENGT _ -1750.00 UPISTREAM ELEVATION IZ 3.-:. 0+.'! _... VOWNSTREAM ELEVAT I CAN •= # i:15. i:"Qt ELEVATION DIFFERENCE •_ 16.8i' TC .. - . 393it• G 4 shit.:: = :i 5 7 #4t+c';. 00 YEAR RAZNFRI-L INTENSITY 4 INC /3'OURY SOIL CLASSI I "A" SINGL FAtr: ILY41 /4 ACRE LOTY R`kNO!=F ti_OE'!=•F:ICIEN'' -- .?•`ski.:= SUVAREA RUNOFF 4 CFS Y 6 TOTAL AREA 4ACRES} 0 TOTNL RLt!'OF'F4CFS) FLOW PROCESS FROM NODE leO.00 TO NODE let IS CODE --------------------------------------------------------------------------------- ))!))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE4<<<< )>)))ANA) COMPUTE VARIOUS CONFLUENCED STREAM VALUES < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 (o TIME OF CONCENTRATZON(MZNUTESY - 19.71 RAINFALL INTENSITY <ZNCH.IHOURY - •.87 TOTAL STREAM AREA (ACRES) - 5.10 TOTAL STREAM RUNOFF 4CFSY AT CONFLUENCE - i4b. 6;�! CONFLUENCE INFORMATION: STREAM RUNOFF T INTENSITY NUMBER 4CFS) 4MZN. ) 4ZNCH/HOUr%') ---------------------------------------------------------------------------------- 63.50 13.7a 3.563 6.60 18.63 14a. ae 19.71 e. 86 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA48&C) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNDF VALUES ARE AS FOLLOWS: 77.37 71.66 74 iF COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS.- RUNOFF(CFS) - 77.37 TZME4MZNUTES) 13. 71 ju TOTAL AREA (ACRES) - 3-4. 4.0 END OF RATIONAL METHOD ANALYSIS Lu le CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE JOB NO. SHEET Y STUDY I JOHN S OF TRIBUTARY AREA TO LATERAL E (LINE B) 170.2 10.0 1295.0 1272.5 1000 170.1 10.0 1283.1 1272.5 850 170.3 1.1 1276.0 1272.0 800 170.4 1.2 1284.0 1272.0 850 172.2 5.3 1295.0 1282.0 650 172.1 5.3 1283.0 1268.5 1100 172.3 1.6 1282.0 1268.5 1000 173.1 4.9 1226.0 1268.5 850 173.2 4.4 1283.1 1273.4 650 173.3 ! 1.2 1273.4 1271.0 520 198.2 3 --3 1274.0 1257.5 2000 198.4 2:0 1272.0 1268.0 770 197.1 3.5 1268.0 1261.5 700 3.8 (TOTAL) INAGE AREA ACRES HIGH ELEVATION LOW ELEVATION DRAINAGE LENGTH 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 0 a! W?& g p""wop Rmco CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUMACT SV "TE m No. BNEET OF FASTER HYDROLOGY STUDY I JOHN SIMS 9/26/86 1 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LATERAL E (LINE B) H * Q10 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3428 • (714) 641.8777 RATIONAL METHOD HYDROLOGY COMPUTER FIROBRnM BASED ON SAN DEPNARDIND COUNTY 49P.CY 1983 HYDROLOGY MANUAL (CY Cocyright 1966 Advanced Encrimeer-inct Softotare EAES3 Esoacially procared fctrz HALL & FOREMAN. INC. <<4 <0 < 4 . 1 < < << e <<e << 1 11 . < 1" 1 <1. < <+ < < 1 0 . 1 - 1 < * FOOTHILL DRAIN HYDROLOGY. LINE LATERAL E * 0 le NODE 169 TO 196 * AHMED ----------------------------------------------------------------------------- USER SPrICIFIED HYL)ROLOGY AND HYDPAULIC MODEL ZNP -------------------------------------------------------------------------------- USER SPEC: D T AP IFIE SORM EVENY/YE) 0. 42 1 k 6SO S►•-'lECZFZED MINIMUM PIPE SZZE/INCH) = 18. 042 SPECIFIED F•EPCENT OF Gfbr4DIEN7'SiDEC TO USE FOP FRICTION 10—YEAR STORM 60—MINUTE INTENSITY4ZN•H/HOUR) I 96to 100—YEAP STORM 60—MINUTE COMPUTED RAINFALL INTENSITY DA Ti- STORM EVENT — I elt. 042t 1—HOUR INTENSIT'Vot*:Etqi .9?6r-;'& SLOPE OF iNTENS17Y DUPi- CURVE = .6QW`?C- BBC; HYI)POLOSY MANUAL USED 4 f 4 < 4 4 . < . -. 1 < < f/ 1 1 4 -f < 1 0. 1 < . 0.* < 1 e < -. 1 1 1 e < I.' ef) ) ) > . >. '? '*.. "I . . .11 *? "I > : ) . '? le ) ) 0 irid-e SERIAL No. A0560r-" RED.". 3. 1 PCLEASE Er4'yTF- < < 1 < < < if 4 . . 4 < < < < -. 1 < < < 4 . ef 1 -. 1 < 1 < f 4 < e < < < 1 <. ) ;•>) )> - ) *;I > > ) i ) ) ) ) *? x it* **** *****A*** A.* * * ** it I"********** FLOW PROCESS FROM NODE 170,142t TO NODE 169.&h'.t IS CODE >> >>RATIONAL METHOD INITIAL SUPAREA nNALYSIS<<--f<-f ASSUMED INITIAL SU&AREA UNIFORM DEVELOC-MENT IS: SINGLE FAMILY 1114 Ar-PE) TC CHnNGE.'r2**.Z� INITIAL SUW-')$�EA FLOW—LENGTH — 6 eWlt UPSTREAM ELE'�,IATZON = les3. 10 irk 2 :;:-7P- cliA f C . 3y; +r L < 65i1t. iet[tirar ) l S 2 acs. 60) 3 *4t•. ;`: 14.01 .3 10.00 YEAR RAINFALL IN1TENtSITY ( INtC!• /HOt_tR) a 2 SOIL CLASSIFICATION IS "A" SZNGLE FAMILY4 /4 ACRE LOT) RUNOFF COEFFICIENT r . 727` SUBAREA RUNtOFF ( CF• S)r 16.99 TOTAL AREAtACRES) - 30.00 TOTAL RONOFFflCFS) = 3 33 Ll • r• �c• aetr# u• ae' #�e�e'u•+tarae+eie•it•�s+rr. # ar###• ic'###### ie•## w•#+ e•## �r######+!•### # # # # # # # # # #+e•�• # #•x# # # # # # # # #x• FLOW PROCESS FROM NODE 169.00 TO MODE 2 63. 4aO IS CODE z I > > t > } DESISNIATE INDEPENDENT STREAM FOR CONFLUENCE- - CONFLUENCE VALUES USEF}. FOR INDEPEND EN1T STREI• M I ARE: TIME OF CONtCENtT RAT ION { MI NtUTES } - 1-4.01 RAINFALL INTENSITY SINK_. /HOUR) _ i .3;y TOTAL STREAM AREA /ACRES) = 10. eta TOTAL STREAM RUNOFFSCFS) AT CONFLUENCE _ 16.39 Kx tit iRat�rt•# �r• arat# �►.•#• ar# �►.•## re•##' er##### # # # # #'at # # # # # # # #�•+c• *• # #+e• #r. # # # # # # # # # # # # # # # # # # # # # # # #i►.• FLOW PROCESS FROM NODE 170.&0 TO MODE 1459. I S COi ►F: >> > > > RAT A L METH INITIAL SUE- CARE ¢kjufsLYS I t� < : ssr =.asa :se.ssssLa.�rrssae zaaas.trr.aa- sssysrsa..sr. aaaaaaas..aars.�ar.a.� .r.» » = .- .a_r..�xx•.s.: ra -.� .ar.= .arr ».= s_asa.� . -.ate ASSUMED INITIAL SU&ARER UNIFORM DEVELOPMENT IS.- SINGLE FAMILY 1 11.4 ACP-E) TC 0.*C 4LENiGT!-t +•r.3) t 4ELEVATION! CHANGE) :3**. ;`_ INITIAL SUBAREA F ;Lir- ,t - -LE NCZi Tt-t - 102�a'•i. ae2NO Ulr>STREAM ELEVATION T= I ::995. at 0 DOWNSTREAM ELEVA - 2;` 70 50 ELEVATZONd DIFFERENCE - . 4E3 TC 333# £ � ,.:E. 5 tc}: E = I tact. aO YEAR RAINFALL INtTE!'tL;I T*V i Ir +iL.t - }= CtL +; ?:( = SOIL CLASSIF=ICATION! IS "A" SINGLE- FAMILY {I f4 ACRE LOT) RUNOFF COEFFIClEr SUBAREA PUN OFF {CFS) - 2 . &.4 TOTAL AREA 4 ACRES) a- 1 0. 0QN TOTf-4t. R- 0,rt t> t= ; t :F'8 :> ;'. 6 - �!#•# it• itit# �•### 1!•#• Y.•##• M• i!•##• i!•#' k•• Y� #N•i!• # # # #•K• #iR' #iR' #i[• # # #ik i�i!• #i! #iS•i! #•M iR•it i! iS'M.-i'C i!••i!i!•M#i!•i!' #it #ik •ik it i�•i!i! #i'F iR' FLOW PROCESS FROM NODE 16 -4. 00. , NC F Is t t etr::: • = ) > > > > DESI6N1ATE INIDE i`••ENDE!'il - S s RE F?m FOR >) > > > AN!£•r COMPLtT£: CON FL S PEA ti, AL? ew . aaaer.rssrwrra sar�r »ss »az »sax.» �' »rrstr:aassr_raier s:...- .:-- .- rcamr_- •.- --s --: �.r. . -._.: •a: r_». a »- ra »- s.sr..:- .s- .s.a.= .s'.• -c• CONFLUENCE VALt.+E*JS LASED FOP INDEPEN:Dc. N'T :'i•s•'+.': =:A!'? ? ARE.' TIME OF CONtCEN1TRAT I ON 4 M I N UTE ) 13. __ 9 RAI NFALL INT ENSITY ! :i Ntt !-t. ?' lits {Sf?) s= 0. 4 2�3 Ta -Tr ;L STREA ARE F? I A RE B) = 1 1 0. 00 TOTAL. STREAM AT CONFLLtE!`k::?=. • -- 17,6-4 CONFLUENCE INFORMAT STREAK! RUNOFF TI I N! s ENS 1 i Y NUM BER SCFS) (M ) 4 IN1;=.H t`sOUR.`r I 16.99 I 1 r. et 36=+ a. 1 7. 6.4 1 3. is �Y ii '. -4 do S RAINFALL INTENSITY AND TIME OF CON C:ENTRAT 100, FORt4ULA 4 S£•cC) USED FOR e ST REA MS. VARIOUS t.i`.NFLUENiC:ED RUN GIFF VALUES ARE Al--' F0! : 3-4.0& 33.75 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLL01WS : C14 A&sm ! r Ca L ad. kNR Y hrF ! t f t.if !'PF L m 7 .& A 1 4 it 0e•atate0a0t�e•atr. itat+t+.• at�r *•K �tu•tru u•n•kic at�tatrt♦ tit w+e itaiait tit K �t�t+t•�t �e•it a•�t it�c•�t �e•u•K• �t it it�t+t+e•+►.•te•+t r. at•it �t �t at it at •r. k u•a FLOW PROCESS FROM NODE 169. 00 TO NODE 170.00 Z S CODE 3 > Y > > )COMPUTE PZ PEFLOW TRAVELTZME THRZ._t SUDAREA < < < < < >> Y> kUSZNG COMPUTER— ESTIMATED P*ZPESIZE SNON— PRESSURE PLOW) { f 4 4 4 ® aa+ rsssssaassass: s: assa�arssssssssssasrss rssrs sarsrarssasmrsaaraysrrsassrmssssrasras .srnsarsaarstaer.z DEPTH OF FLOW IN 33.0 INCH PIPE: 1 9 05. 3 INCHES PZPEFLOW VELI#CZTY<FEET /SEC. Y s 7.0 UPSTREAM NODE ELEVATI s: 3 e 7 &.:.50 DOWNSTREAft NODE ELEVATION m 1 E7e. 0c'�02e FLOWLENOTH4FEETY — 180c'r.00 MANNINO38 N s? .013 EST IMATED PIPE DZAMETER <ZNCHY 33.00 NUM&ER OF PZPES 3 PIPEFLOW THRU SUBAREA <CFS) 3-4.08 TRAVEL TIME SMZN. Y A . a—'s TC <MIN. Y :t 14. E5 �tx•�c+e•�t+r atu• �t0t tit •tit it••k •K•0t �t tt •w+t•0►+t x•+t �e it ar+r it+t 0t •u•i►+t�t• irft�t 0e•+t rt• �r *• it+t � ar+t•it it•+t it •c• •w•it• tr rt rt• �t•it•�•0t 0t r. •rr it tit ie•+t+e•+t+t• 0t FLOW PROCESS FROM NODE 170.042t TO NODE 1 70. 00 Z B CODE = 1 > > > > > DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < --< sssasa�st lsaesasxa.+aasrrstasss•.r sassmaaa= .r. sa sssr+s•.azasrsxarrs — _sasr- sas —.zsMz ter. =sr.•� sxxxaa r.— CONFLUENCE VALUES USED FOR INDEPENDENT STREF#P' 3 ARE.- TIME OF C•ONC:ENTPi4TZ - tN <Mldvk +-'ESY = 1-4.a5 RAINFALL INTENSITY <ZNCH. /HO URY =, 34 TOTAL STREAM AREA <AC -RESY s* ao. r?,0 TOTAL STREAM RUNiOFF <CFSY AT CONFLLtENCE = 34. + r0tit�t�eitrit +tatat rxrar�t�t�t+ti!r. it itarrt� �►•itr.atititr.+e+►r. r•ieati!+ritit r�r.it+r�+. 4o..•r.it rtar*trrtr. ra+er.+tr. �e+e+e�sitit FLOW PRO ,lCESS F ROM NODE 170,30 TO NODE 1 -T G•isi'�E Y > > > > > RATZt it - 6kL MET!-t#: ?'t'�• INI TIAL SLI&APF F Fai�cF�t. „° • ------------_____.___._----.--- ssssm sasesssrzvsastsr_ssr= rs. —.amrs ssses «ss- r «sarisrs = .rs..zss «.rs.ar.a.- s -rzsr= .aa— srsasaszs.= .arr. -sasz ASSUME I? I N I T Z AL SUBAREA UNIFORM DEVELOPMENT IS.- SIN&LE FAMI <1.•`.} AC:RE. TC s M* 3Y / <EL.E4'FrTICtN CHf�NLEY ?t +. INITIAL SUB44REA F-`:_.044— LENGTH = 1+c04 -.4.00 DOW?4ST REF;lR EL f_: T IOry = 1 0 0 ELEVATION D I FFERENO E 4. 00 TC: :: • -• 16. 773 10.04a YEAR RFOI NFALL ;.988 SOIL CLASSIFICATION I "A” SINGLE— FAM,ZLY41 /4 ACRE LOT.r RUNOFF COEFFICIENT •_ . 6916 susnRF=:A pUNO!= F• { C:F9 Y = 3 . =-%I TOTAL AREA<ACRES) T 1.10 TOTAL. RLtNC.FF <O:F _i j .r 1 . `i:i wit•+ r�• r. �tae�rr .•trit+tw+trrar�r•u iti►�titr.rr�►+er. �t;ti! r+r rr. r+e•+er+r• FLOW PROCESS FROM NODE 370.00 TO NODE 170. S L:cprE •_ > > > > > DESZ03NATE INDEPENDENT STREAM FOR CONFLUENC-= < < < < < ssrssrssar stsstsrsess ssasas«_- srasrsaastrsa. �az+s ss as s r:asssrsssr..r...a._.v.as.M «ssa sarss «•.vasxsmsa «a «s. �• CONFLUENCE VALUES USED FOR INDEPENDENT STREAYIr ARE. TIME 0P CONCENTF•ATI 4MI NUTEBY = 16-77 ® RAINFALL INTENSITY < INCH. !HOUR) 1 . 9 s l TOTAL ST!"+.EAM AREA (FTCRES.Y :: 1.10 TOTAL STREAM RUNOFF <CF$Y A CONFLUENCE 1. it its! i!• �! �!• i! ik it•+ t 1t* 4t• it n•* A. ** *- t•w gt••u.• a• * 44• 4 0 . 6 it• *•I * w ** it u•* * it• 4t * 4[•* i►.• iF1! it4t r• it Y.• .K'**•It•* •K• * •r. 1t r. ititi+.• ;t FLOW PROCESS FROM NODE 170.40 TO NODE 170. 00 IS CODE ASSUMED INITIAL SUBAREA UN IFORM DEVELOPMENT IS: SINGLE FAMTLI` (1./4 ACREY TC — Kr. C 4LEN6 s Hs- l <ELEVATION CHANSEY I#r. i INITIAL SUBAREA FLOW — LENGTH — 94ae.00 UPSTREAM ELEVATION — t 84. 00 DOWNSTREAM ELEVATION — le?'.°..0O ELEVATION DIFFERENCE — 1L.00 TC — . 393* C 4 1 a. 00Y I # #. ;:: — i4.147 10." YEAR RAINFALL INTENSITY4INC!-!/J40t.RY a i:.345 SOIL CLASSIFICATION IS "A" SINGLE— FAMILY4144 ACRE LOT) RUNOFF COEFFICIENT _ .7155 SUBAREA RUNOFF (CFSY E. icy TOTAL AREA ( ACRES Y — 1. eO TOTAL RUNOFF 4 CPS Y L . oa FLOW PROCESS FROM NODE 270.04 T O NODE 170. OQ I S CODE — 2 Y >)))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE4d4 <4 ))) Y) AND COMPUTE-. VARIOUS CONPLUENCED STREAM VALUES' 4 4 4 4 assssaa•ssar as ssssr �•: assasrasrsssssstassssarass asses: aava•.sr�eas vsr saarrarassarsrrara assss ss CONFLUENCE VALUES USED FOP INDEPENDENT STREAM 3 ARE: TIME OF CONCEN T RATION'MINUTE•SY a 14. 15 RAI NFALL INT'ENSZ ! Y 'INCH. /HOUP) C::.36 TOTAL STREAM AREA 4ACRES) — 1. ee TOTAL STREAM RUNOFF 4CFSY AT CONFLUENCE _ :::. 0ti=- CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTE:NSZTY NUMBER ' C.F S Y .'M I ht . Y 4 I NC-14/ HOUR Y 1 3.4. 06 14 S ti:. 34 1.51 1 15.7 7 1. 988 .� ice. of 1.4.1 t ai i::. 315 RAI NFALL IN T ENSITY AND TIME Of COW-`E -JI i PAT I0sru fat -)TIO FORMULA 4 SSC: Y USED FOR 3 STREAMS. VARIOUS CONFLUENCED PUNOr -F" VALUES ARE AS FOLLOWS: 37. e-4 3;F:. 1 1 36. 99 COMPUTEEr CONFLUENCE ESTI ARs_ *aS � OLL.OW RUNOFF 4CFSY — .37'.::4 TIME 4MINUTESY a 14. Z�S TOTAL a. . 30 iti lN#•iR•1t ##• # #•1! # # # #M.• # #M. ########• k•# i!•# i!•• M• i!• it•#### it••k• # # #'K• #it• # # # ## # # #it # # #M. • It•' 1! �!• #•N•iF #it•�S•i!•f!• #'Ih #it••Y.• FLOW PROCESS FROM NODE 1 : $t. Oct TO NODE 17i. -s+r.'+ ZS CODE r 3 ) >) > > COMr - P IPEFLOW TkAVELTZME Tt- RU Si ?$fit ? F 4 •; 4 >) Y.1, )USING C;OMPLITER —E.S ! I MAT'E:fi {=':s { -' - -ES I .c E /. test tN •RES � FLOW) ssasas:assas iraassa.�•.sr srst� r.a a+rnr ar:sr.a.ssr. ss.r it aea.a.saass.sa= cc -.r. ..a rr rr rrsssr_r 9•as = —nr r. — rsrrs•mrrc_ DEPT OF FLOW IN & 7 . 0 I NCH PI PE IS 16.::S I t 'C "'HE'S PIPEFLOW VELOCITY'FEET.. Y ,: 13.0 UPSTREAM NODE ELEVATION — 1:-7E- 00 Dt- JWNSTREAM NODE ELEVO4T I ON 1268. Del FLOWLENOT H ( FEET Y •_- 1740. ttt4:* N ESTIMATED PIPE DIAMETER4INCl -:Y NUM&E{+ DF- PIPES 1 ® PIP FLOW THRU StkSt.�ft Efa'CPSY 3 TRAVEL TIME 4M!N.) -• . is C.4t�1h .. :. Y • 1.4. •4 #i #K• # # # *A**.1 01 * * V..-*V. W..•# q!# r# 1t•# iR• 1t it* I* i!•# i!•### iti'l•# iC• il•# i! •1►•M• #•it•**W.li * # # # #i�• #ik ib # #ii!•1! #i!• #•Y.•il�iS• FLOW PROCESS FROM NODE 17a,-40 TO NODE 1 ; ,E . dre2. 1'1 CODE _- 1 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I ARE.- TIME OF CONCENTRATZON4MINUTESY 14.47 RAINFALL INTENSITY 4ZNCH./HOURY &.3;2 TOTAL STREAM AREA (ACRES) - Elce. 30 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE 37.e4 FLOW PROCESS FROM NODE 173.10 TO NODE I7i2!.4?a IS CODE A a ------------------------------------------------------------------------------ )>>))RATZONAL METHOD INITIAL SU&AREA ANAL YSZS4<<<4 ASSUMED INITIAL SUBAREA UNIFORM DEVE-LM"ENT IS: SIN43LE FAMILY 41/4 ACPEY TC - X*C(LENGTH**3Y/4ELEVATZON CHANGE) J**.;-:� INITIAL SUBAREA FLOW-LENERTH - 950. UPSTREAM ELEVATION - 12176. oet DOWNSTREAM ELEVATION - 1 2166. so ELEVATION DIFFERENCE - 7.50 TC - .393*f! 950.00**3)/4 054• 10.00 YEAR RAINFALL INTENSZTY4ZNCH/HOUR.) a.183 SOIL CLASSIFICATION IS -A" SINGLE- FAMILY 41/4 PC-RE LOT) RUNOFF COEFFICIENT - .7059 SUBAREA RUNOFF (CFS) = 7. 55 TOTAL AREA 4ACRES) - 4. 90 TOTAL RUNOFF <CFS) - 7. S S 4k'* 9.6 06 FLOW PROCESS FROM NODE # ?Z•. AsO TO NODE 17E. 40 I S COLrE --------------------------------------------------------------------------------------- )>>>>DESIGNATE ZNDEF'ENDENT STREAM FOR CONFLUENCE <4<<< CONFLUENCE VALUES USED FOR INDEPENDENT S•REA" � ARE: TIME OF CONCEENT IONf MI NU•E'S.*r 16.05 RAINFALL INTENSITY <ZNCH./HOUR) r amt TOTAL STREAM AREA 4ACRES.r fs, SO TOTAL STREAM RUNOFF4CFS) AT CCNFL-UENCE = 7. 5 FLOW PROCESS FREIM NODE 17;:i. 10 TO NODE 1 7;::. 40 16 CODE iF )>>>)RATIONAL METHOD IPJIT114L SUBAPER. ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS.- SINGLE FAtl.T-'Y 41/df 44C.P.E., TC - M*C4LENEtTH**3)/4EL-E4 +ir4TZC"tN CH.C;NC%E)J**.e INITIAL SUPARE44 FLf. - 100(2�.00N UPS ELEVATION # i , 63. Oki� DGkWt E i_68. 50 ELEVATZON DIFFERENCE #4.50i TC - .3:k93*,ri 1 -4. �iAZO 3 E = • 4. '51 ic� 10.00 YEAR RAlN;:;'AL-L - 0'.320. SOIL CLASSIFICATION IS "A" SINGLE - FAMILY 41/4 ACRE LO•) RUN 'OFF CCsEFF7ClEe 7144 SUBAREA RUNOFF /CF •. A. 76 TOTAL AREA4ACRES) - 5. 30 TOI PLINEiFF /CF. 8.7 u FLOW PROCESS FROM NODE 172. 40 TO NODE 172'. 40 IS f-'ODE I INDEPENDENT STREAM FOR CONFLUENCE < 4 1 1 , 4 If >)>>>AND COMPUTE VARIOUS C01%1FLUENCED STREAM VALUES".'"O' TIME OF CONCENTRATION(MINUTES) 14.51 RAINFALL INTENSITY (INCH./HOUR) a .3;E TOTAL * STREAM AREA (ACRES) - 5.30 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE = a.78 CONFLUENCE INFORMATION STREAM RUNOFF TIME INTENSITY NUMBER (CFS) 4MZN.) 4ZNCH/HOURY --------------------------------------------------------------------------------- 1 37. 2-4 14.47 a. 3iF 7.55 16.05 ie. 183 e. 78 14.51 21. 3, its RAINFALL INTENSITY 44ND TIME •OF CONCENTRATION RATIO FORMULA48BC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 5i. is 1 50.81 5a. 79 COMA -'UTED CONFLUEN(- ESTIMATES ARE AS FOLLOWS.- RUNOFF(CFS) - 5L. 81 TIME4MZNUTES) 1 4. 471 TOTAL AREA (ACRES) - 38.50 FLOW PROCESS FROM NODE 17e.40 TO NODE 171.01 IS CODE: ------------------------------------------------------------------------------------ )>>)>CC PZPEFLt TRAVEL TZME THPU ) > > ) ) uSI NO COMPUTER- ESTIMATED PI PESI ZE (NON-PPE SSURE FL-OWY 4 4 DEPTH 01c' FLOW IN 35.0 INCH PIPE I S e9.7 INCO-fES PZf"'EFLOW VELOCITY4FEET/SEC.) - 7.8 UPSTREAM NODE ELEVATION - 1868. 50 DOWNSTREAM NODE ELEVATION " laC FLOWLENGTH4FEETY - 142NO.00 MANNINSS N = . 013 ESTZMo PIPE DIAMETERfJNC!-0 39.ulko NUMBER OF PIPES PZP5FLOW THRU SW`SAREA%CFS) I TRAVEL TZME-IMIN-) - . Rl Te / M.1 N. ) - 34.6 '+ FLOW PROCESS FROM NODE 171.00 TO NODE 172.00 is- cr-"rfF- >>)>>DESJGNATE INDEPENDENT STREAM FOR CONFLUENCE-f CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I ARE; TIME OF CONCENTRATION4MINUTEBY 14.69 RAINFALL INTENSITY 4I NCH. /HOURY e. 30 TOTAL STREAM AREA 3a:;.50 TOTAL STREAM RUNOFF/CFS AT CONFLUENCE - 52. 6:1. FLOW PROCESS FROM NODE 173.;F0 TO NODE IS CODE a >>>>>RATZONAL METHOD INITIAL SU&APEA jn-v..=x.-jw= ASSUMED INITIAL SU&APEA UNIFOF- DEVELOPMENT IS. - COMMEF-Cli-4-- TO - Kr. C4LENGTH**3)/4ELEVATZON CHANGE) 2**-e INITIAL SUBAREA FLOW•LENST.H • 1000.00 UPSTREAM ELEVATION - 10:8 1. 9-4 DOWNSTREAM ELEVATION - 1&73.5s:, ELEVATION DIFFERENCE - 8.38 TO - .303-ri 9- 38).1 18*. IS 0 1 10.00 YEAR RAINFALL ZNTENSZTY4ZNCH-/)iOUR) a -537 TOTAL AREA (ACRES) = 4.40 TOTAL RUNOFF (CFS) �aa au** 4t*K«•4t*+e+ a +r+r�tirK �r�t�taa�t+t+t+eie+e�s x�r+e+r�e+ea+t�r+tar•eirie�t ier. ar+ruu�rx�raat�e+t+r+e�.�!it�ta FLOW PROCESS FROM NODE # 73. 3O TO NODE 171. 400 Z S CODE = 6 )))))COMPUTE STREETFLOW TRAVELT THRU SUPAREA amaaesssaaa sassamssas ° assesssasses:e• :sa: seas :ssmssairsmxarsasaaaa :ax UPSTREAM ELEVATION a 1&73.56 DOWNSTREAM ELEVATION = # i68. 00 STREET LENGTH(FEET) = 7SO. 60 CURER MEISTH (ZNCHES) = B. STREET MALFWZDTH<FEET) - e6.00 STREET CROSSFALL (DECZMAL) _ .Oe44b SPECZFZED NUMBER OF HALFSTREETS CARRYING RUNOFF Ar # - wo*TRAVELTZME COMPUTED US ING MEAN FLOW ( CFS) 10.1 STREET FLOWDEPTH(FEET) _ .55 HALFSTREET FLOODWZDTH (FEET) _ AVEW4GE FLOW VELOC Z TY ( FEET / SEC.) _ PRODUCT OF DE %TH#VELOCZTY _ 1.59 STREETFLOW TRAVEL'T•ZME (Ms "N) - •4. 33 TC (MZN) 16.83 1 0.40er YEAR RAINFALL Z SOIL CLASSIFICATION 79 "A" SZNGLE FAMILY (1 /4 ACRE LOT) RUNOFF COEFFICIENT - .70 SUBAREA AREA (ACPES = 1 a SLIECAREA RON0FF- (s=FS - 1 SLIMMED AREA ( ACRES) 5.60 TOTAL RUNOFF (CFS) r 1 1. 00 END OF SUBAREA STREETFLOW HYDRAULICS': DEPTH4FEET) _ .57 HALFSTREE.T FLOODWIDTH(FEET) r 17.36 FLOW VELOCITY ( FEE s f SE_C.) - := . 89 DEPT!- * VELOs:: I T `s' 1 . 641 ��e�txx•kir�ir�•�irirr. •r. ��rnt�+�io-+�•r. •r. r. r. ir.•r. i! x� +•i►i!i�ri� •► ♦. x+►i►�r. •s: �t•r. ir�•r.��•xirrr. tr. iri!i!r. �i!1!i!•r. •h t• ® -- FLOW - PROCESS FROM htO.L"tE - -- 17 T'O NODE - __1 f1 ^ft�0 IS - CODE - - - - -- ------ - - - - -- )>.l DESIGNATE I NDEPENDEN °T STREAM FLIP CCKtFt_.LfE!vt::E' ( : arsostasaararaaaasrsrrrrsxcaam zsrrxrr.0 r_ rrrrva:ararerarr::rarxr. r. x•zrrcrm:ersrr.- .rrsx.r ecsrcic = srrar. c• CONFLUENCE VALUES USED FOR INDEPENDE S T REAM 0 ARE: TIME OF CONC:ENTRAT ION (MI NUTES) - 16.83 RAINFALL INTENSI (INCH. = 1 TOTAL STREAM AREA (ACRES:( - 5. 6kl? TOTAL STREAM Rt JNOFF (CFS) AT CONFLUENCE. - 1 1. OCT x �t�sirx �►r. t. •+r �•�s ie••�r �et•r. •s+. rxi►ir. �c •rc �!••s� •r. •r. r. •r.• •r. •se r. •r. r. � io- � �• r r. it t i►i:• r. �• r. � iie• it r. � �• � •w •� i►�r. �r� r. r. �! i►x e►� •st• r. +� r. � �r � •r.• FLOW PROCESS FROM NODE 1 f :. iE!O TO NIODE IS CODE - -----------------------------------------•------------------------------ - - - - -- ))))) RA T Z ONAL MET HOB INITIAL SUEtpp y} A41f it. YS:s E� (•: srrarrs: ssrsassraarrsarmsssaarzrrsrsrrarssrrrrs errs Tasar rrsu.ursor..ax.ur .:: .r. .ruxu�:rrrarsr asa�•.a s� ssrae•sas ASSUMED INIT SUBAREA UNIFORM DEVELOPMENT IS: COMMERC TC t(+r (LENO"f!- t�rie.3t :° (ELE+.'ATIE�N:ilrrtt ?c't I «•�r. ;=_ I NITIAL BU&AREA FLOW-LENGTH = 8t2tk'Z. si 0 UPST REAM ELEVATION - 1a96 50 DOWNSTREAM ELEVAT - # 011& 1 00 ELEVATION DIFFERENCE = 16.40 TC - . 3fa3I ( 8t2R03. tc�!c�r.t3t .l ( 16.:0'�t+�� . = 9. 5.44 10." YEAR RAINFALL I N F f_'•iE� I T's' (I !�tt= :N; -tt tL1�+ t - 5r - s SOIL CLASSIFICATION IS "A" ® COMMERCIAL DEVELOPMF.Nt RUNOFF COEFp- '!ClEN7 SUBAREA RUNUF F ( CPS) = 13. 1 TOTAL AREA (ACRES) = 5.:40 TOTAL AL PUNOF (C:F S .) z 1 3. 10 r. �r•R•x�x+s1•�!i.�s�x�:••rrr. •r.•sr. i►.•rtw�itKr. � •ri!r. •r. r. *yr. xiricx•�rie•r. �!�tr� r. •r. ir•r. is •x�• 1r.• i► sr�••r�♦.•�••� i! •r! r� FLOW PROCESS FROM NODE 17e.30 TO NODE 171.00 i S CODE 6 ----------------------------------------------------------------------- - - - -•- a :ssrsaasa: sass: saassssssaaaaesssaeasraeaassasrrs s u rssraraaecsss'sarsarssssasrar = rasa:ss= ax UPSTREAM ELEVATION # 8E'. eo DOWNSTREAM ELEVATION a 12168. 00 STREET LEN TH 4 FEET) 1000.00 CURS HEIGTHtINCMESY - 9. STREET HALFWIDTH4FEETY = ,9E. Orton STREET CROSSFALL (DECIMALY = .Oe4O SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF r # *-*T RAVEL T IME COMIPUT USZN6 MEAN FLOW /CFSY = 14. 66 STREET FLOWDEPTH WEETY - .55 HALFSTREET FLOODWIDTH /.FEETY = 15.6a AVERAGE FLOW VELOCITY /FEET /SEC.) - 4. Qt PROCOUCT OF DEPTH&VELOCITY = ie. 340 STREETFLOW TRAVELTIME r 3.97 TC SMI htY - 13.5:: 10." YEAR RAINFALL INTENSITY 4INt:HIHOURY %.4eCi SOIL CLASSIFICATION I3 " A " COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT SUBAREA AREA(ACRES) 3.4so2't SUBAREA RUNOFFSCFSY - SLUMMED AREASACRESY 6.90 TOTAL RUNOFF {CFSY = END OF SUBAREA STREETFLOtt HYDRAULICS: DEPTH / FEET )r = .57 Hs- LFSTREET FLOODW I D'TH / FEET Y = 17. FLOW VELOCITY 4FEET, /SEC. Y - 4. C3 DEPTH*VELOCI TY e.43 �•k ae�s a+r �t•ae•�cr. x�r rr.:• ar«• �k ar is �• «� io-+s �• is �e•+t•�t•+t••k r. a•+e r• *•�t•+e• �t• rr«•ie• � «� �•+ttr x• rc•+r r►•k•ic w.••r. «•,r •k �t ie••k• *•� �•� ib•k �k a K ie ir•k+e••n••k •r.• FLOW PROCESS FROM NODE 171.00 TO NODE 171.00 I S CODE _ # YY Y Y )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE 4 4 4 Y Y Y Y Y AND COMPUTE VARI OUS CONFLUENCED STREAM Vs'•rL.tIES : � f asassaarsr :a Baas s a error_ mars eaxr ass t. rarraarrr :r mr.:ar.asasarr..r. rasrnrs_r sa• sra: arrays= ar.ac a:sr� . - .es_s.•a a: as art. c CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 TIME OF CONCENTRATION /MINUTES) r 13.52 RAI NFALL INTENSITY /I Nt.;H. / HOUR) s 4 ® TOTAL STREAm AREA { ACRES Y - a. 94't TOTAL STREAM RL3NCIFF f CFS Y AT CONFLUENCE CO NFLUENCE INFORMAT ST REAM RU TIME INTENSITY NUMBER S C•FS) /MIN. ) / I NC•t l Y 3 5: ,a3 24.69 ; .30.3 3 16. e9 13. 5: 2'. 4;i'0 RAC I NF4 INTENSITY A tkff.x TIME 0;: C1. }C ENS• PAT 10ty PATIO FORMUL A i SRC- Y USED FOR 3 STREAMS. VARIOUS CONFLUENCE£ PUNt'kf=F• Vt- 'YLUES ARE AS FOLLOWS: 77. 1 73.95 1 1 7 3.75 COMs••UTE£r CONFLUENCE ES TIMATES ARE AS FOLLOWS.- RUNC3FF4CFSY = 77.91 TIME4MINUTES) :s #4.885 TOTAL AREA 4ACRES Y - 4.5. 0421 1tiF �! i► �! i!• •1! rR• i! i! �! i!• i! i! iF iR i! i! 1! ik �F It i! ih i! i! i! •k M.• fh it i!• �!• iF i! y,• 1! •k t! it il• �F i!• i! �!• •16 i!• iF i!• iF i4• i► •M.• i! iF ih K• i!• iF i! �t it i► it• it �!• M. i! i! •k 1! M 1F *• ik it• FLOW PROCESS FROM NODE 17 1. 00- TO NODE # 9 00 IS C 0 (E = ) Y Y Y )COMPUTE PZPEFLOW TRAVELTIME THRL+ SLtSARE_tc : d 4 r Y Y Y Y Y#.,tSING COMPUTER - EST IMATED PIPE SIZ E /NON-PRESSURE FLOW.) of , e' r asrms. xrsmmassaaa :isrssssris•arsat�rsssararst*s as asxaaarva•ssssar erarmcae•ar�•.:sa: crn•r. rr ssra•� sr..a ar_r � casmmsa•arsaarrr ® DEPTH OF FLOW IN 4 :. O INCH P I APE I 30.3 I NC= HE CS PIPEFLOW VELOCZTYSFEET.: SEC. Y T 10.5 UPSTREAM NODE ELEVATION = 1;P68.00 DOWNSTREAM NODE ELEVATI - 3 Z�E # . 50 FLOWLENGT ( FEET Y - 7 MANNING tit •_ . 01:3 ESTIMATED PIPE DIAMETER(INCH) 4i_.00 NUM,&ER OF PIPES = # PIFeFLOW TMRU SLoltAREA!CFSY 77. 9.t rr. loui=t T F ms:: / M 7 W s a f .& x; •/ m, ro s r t eS O K «««««««•«. e•««««««««««««««««««««««««««««««« .r « « « « « « « «.r « « « « « « « «.e «« ««• .a.r FLOW PROCESS FROM NODE 197.10 TO NODE 197.00 IS CODE r 8 -------------------------------------- ------- ------_.______________ ___...__. -__- ?t }) >ADDI TION OF SUBAREA TO MAI NLINE PERK FLOW44444 s msaTaeaeraeaaaasa aasarseasssararaararra is arsssraeaaess�arss�a .•saarraasrasrsrsrasrassrsr szaaassssaarsrss s 181.00 YEAR RAINFALL INTENSITY4INCt-t/HOUR) R �.I94 SOIL CLASSIFICATION IS ,.A.. SINt3LE- FRMFLY4L.5 -ACRE LOT) RUNOFF COEFFICIENT = .5919 SUBAREA AREA (ACRES) 3.50 SUBAREA RUNOFF 4 CFS) - x'.. 55 TOTAL AREA(ACRES) r 48.50 TOTAL RUNOFF4CFS) 8;=:.45 TC 4MIN) - 1 5.93 FLOW PROCESS FROM NODE 197.00 0 TO NODE 198.00 IS CODE a 3 } y } } > COMi••UTE PIPEFLOW TRAVF_LTIME THRU SUBAREA 4 S 4 4 4 J)) }) USING COMPUTER- ESTIMATED PIPESIZE 4NON- PRESSURE FLOW) 44 if =rar :rrrars :rr :s• err srrraaarasrasraararrsrrrr s araer arrr arrrsarsr eersrararr asrrrrr era m•.arr..aa:sar DEPTH OF FLOW I 36.0 INCH PIPE I S .^.8. 3 I NCHE S PIPEFLOW VELOCITY4FEET /SEC.) - 13.8 UPSTREAM NODE ELEVATION a- 1261.50 DOWNSTREAM NODE. ELEVAT - f e5 7. 5 0 FLOWLENOT!-t 4 FEET) m a 30. 00 MANN I N ©SS N = . 0 3 ESTIMATED PIPE DZAMETER4INCH) = 36.00 NUMBER OF PIPES - 1 PI DEFLOW THRU SUB i CFS) Se. -45 TRAVEL TIME 4 M I N.) r , a=: f.k TC /MIN. ) - 16. E#1? «.!««.!««««. t«.►.•. F. k. t�• 1P .l.!it.l.l*i• « «.h.F « «tt*** **M*• **-• k. F****..6.W**4 t•. F. 1•'1!•A•iF.l••k•i!•.!*ih.F.l•.F i!it•.F •R i!i! «.F.[•i►.• -- FLOW - PROCESS FROM - NODE 19R : 00 TO ^ NODE ___ 198.04. IS CODE I ) p))) DESZGNA TE INDEPENDENT ST REAM FOR Cf3ht%LLtEt 4 { r, 4 raa srassrsssas. - -sass sa:. �+ar..asssxs.sst a+_.•csr..x.:a.xsa. -s.a a�.vx•.r.aa.� ms.za.= ss:s».xxs rsa ss ssssss. -sa:.s CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I ARE: TI ME OF CONC:ENTt+•:AT ION = 16.0:0 RAINFALL INTENSIFY 4 INCH. ,IHOU R) - e. I TOTAL STREAM ARE. A 1A :RES) - .48.:a0 TOTAAL S'TRE(=#M RUNOFF 4 CFS) AT CONFLUENCE 8e. 45 ««• «.t• «« « « «.r «�• «.r.t M. «i•.t.l.l.k il.t.!• i► K•.e•.! it.F 1t it * •tr.t.t x•. c. t. t. t.► .r.r.�•.r.t.r.•.e.r.e•.r.e.c•.s r. r..►..t r. r. r..!• r..t.r.r.r.t.►.• r..r.r.t FLOW PROCESS FROM NODE 198. ►:0 Tt t<tt_DE 1 98. i-o I S COVE a_ 3)))) RAT 10NAL METHOD I NI TIAL SUEtAREA ANAL YS IS 4 4 4 4 4 saamsraraasrs.serssassa searaassasssaasix= ssa.:.ass.xt asmxaas .x.ssc.- �.- .za- .:tsrs+.mia:.x s_ ss ax�a•.x.srsxrsairsu•a..= ASSUMED INITIAL SUBAREA UNIFORM DE VE LOPMENT IS.- CONDOMI TC X*C 4LENGTt° ** 3).r 4ELEVATION INITIAL SUBAREA FLOW -- LENGTH - 104242�.00 UPSTREAM ELEVATION a I c ?14. Ott DOWNSTREAM ELEVATION = 1a 6 7. 2 . 4 1 t ELEVATION DIFFERENCE r 6.84"6 TC _• . 359« E 4 1 Qt00. 00* 3) f 4 6. 642t) :3 .e x , c " •x 10.140 YEAR RAINFALL INTENSIT'Y4INz•H.ft-ftr{ R.'l _' L.a' 34 SOIL CLASSIFICATION IS "A" ® CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT _ .7535 ( SUBAREA RUNOFF 4 CF S) 5.54 TOTAL AREA (ACRES) - 3. 30 TOTAL RUNOFF 4 CF f) S. 5 ««• «« «« « « «r «r. A. «r. « ««.r «* *4t « « « « «K•.! •R.l.t.t•.6.l N• a•.r.r.e «.F «.!•.k.e.k * * * * *- -k- 41-* 4e•.l.6.a.l.►.! It .! .r .t.!- FLOW PROCESS FROM NOME 198.eO TO NODE 198.00 IS CORE = 6 areas saea�sae: aa saasasa�oae�waars�• araR : :asassaasarreasaa�s :aasss�m ++leasers :aeaaoa:Qassza.�s.� aasarar. UPSTREAM .ELEVATION 1267. ieO DOWNSTREAM ELEVATION a 1:'S7. SO STREET LENOTH 900.08 CURB HEI©TH4INCHES) -w 6- STREET HALFWIDTH4FEET) a 3:3. STREET CROSStFALL 4DECIMAL) _ . e0 s i3 SPECIFIED NUMBER OF HALFSTBEETS CARRYING RUNOFF = 1 - **TRAVELTIME COMPUTED USING MEAN FLOW 4CFS) 6. 9 STREET FLOWDE.PTH4FEET) a .47 HALFSTREET FLOODWIDTH = 13. AVERAGE FLOW VELOCITY4FEET /SEC.) j- 3. 1at PRODUCT OF DEPTH#VELOCITY = 1.44 S T REETFLOW TRAVELTIME (MIN) — 4. a4 TC 4MIN) — Eel. e& 10. YEAR RAINFALL INTENSITY4INCH /HOUR) = 1.897 SOIL CLASSIFICATION 29 "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT .73 SUBAREA AREA 4 AC RE S) e.00 SUBAREA RUNOFF 4CFS) = E'. 7 9 SUMMED AREA (ACRES) = 5.30 TOTAL RUNOFF 4CFS) = S.33 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTHWEET) _ .4% HALFSTREET FLOODWIDTH4FEET) = 13.98 FLOW VELOCITY ( FEET / SEC.) — 3. ie7 DEPTH*VELOC I TY = 1.60 �e• �iei��r� •rcir+t�ic•�cir���r�►�i►�r. r. r. ie•xr. �x•irx *ir��r��•itirir�r. �r. �ri!•iri►r. �+kr. ��r. fi�r•+e�ir•r��r. xxiee!�r•�e•�riririr�irirr. •r�rrx�rit�+►.• FLOW PROCESS FROM NODE 198.00 TO NODE 196. 00 IS CODE •r 1 ---------------------------------------------------------------------- - - - - -- )))))DES INDEPENDENT STREAM FOR CONFLUENCE44444 ))>)) AND COMPUTE VARIOUS CONFLUENCED STREAM VORLUES 4 4 4 4 4 arsasassar :aasasaasaasrxaasrxrx r.a..zara sssxassseararzasarsxsxxx .�sr.�sxzss =asxe�:aesrssassear- aa— .zarasm =•auram:.:- CONFLUENCE VALUES USED FOR INDEPENDENT s *rREAm e ARE: TIME OF CONC..E E 0.iR8 RAINFALL INTENSITY .'INCH. /!-TOUR) r' 1.9t'2t ?TOTAL STREAM AREA 4ACRE:S) S. 30 ® TOTAL STRE RUNOFF 40FS) AT CONFLUENCE :. 8. 33 CONFLUENCE INFORMAT STREAM R%t ►stO F TIME INTENSITY NUMBER (C!':.i) (MIN. ) I INCH/HOUPY - - - -- —_— ----- ----------- ___ - -- ------------ __— _____---- _-=------ - - - - -- --- - - - - -- 1 SE. ri S 16. 0421 is . 1 L A- . 33 e02. a lS 1 . 89 RAINFALL INTENSI AND TI OF CONCENTRAT RAT FORMULR45ECC) USED FOR Z' STREAMS. VARIOL +S CONFi UENC:ED RUNOFF VALUES ARE AS FOLLOWS: eA COMPUTED CON�-Lf_lE: ESTIMATES ARE AS F't._+LLL S.— RUNOFF 4C•FSi — 69. Ik TZME4MYNUTES) = 16.E TOTAL AREA(ACRES) -- 53. 190 END OF RAT IONAL METHOD OD ANAL `s' S I S CIVIL ENGINEERING • LAND PUNNING • LAND SURVEYING SUBJECT SY LATE lOb NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS 9/26/86 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LATERAL E (LINE B) * Q25 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3428 • (714) 641 -8777 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY 4BECY 1963 HYDROLOGY MANUAL 4 1 < 4 < < 4 < < < < < < 4 < < < { < < 1 4 < 4 4 < < < < < 4 < 4 4 < < < 4} ) > > > > ) > ) > ) M > >) } Y> > WY Cnoyright 19SE Advanced Engineering Software EAES3 Esoacially orepared eor; HALL t FOREMAN INC. <{ < << < < < <I< < < 4 4 < it<<< f 414 4 < 4 <4<4 l< < < <0>>>>>) >>>>> *-*********DESCRIPTION OF FOOTBILL DRAIN HYDROLOGY P - LATERAL E & 05 NODE 69 TO NODE IC-948 AHMED ----- - - -- -- ------ - ------ - -- -------- - ----- -- --------- --- - ----- - USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMA71ON: USER SPECIFIED STORM EVENT4YEARY s W.00 SPECIFIED MINIM PIPE SIZE 4INCH) 16.00 SPECIFIED PERCENT 0 GRADIENT54DEC7MALY TO USE FOR FRICTION SLOPE .95 10-YEAR STORM 62-MINJTE INTENSITY41NCH/WOUKI z 9•0 100-YEA! S" "4; 60-MINUTE INT ENS ITYTINCH/HOURY = 1.470 COMPUTED RAINFA L INTENSITY DATA: S ED"'ENT - 0.15. 00 1-HOU• INTENSITYIINCH/HDUR) - 1.1520 SLOPE OP !NTENSITV DURATION CURVE • .6000 BE-Cc. reW4NL4- - -,-. "C"-VAr-UES USEZ.r Advoncea Engineering Software CAES3 SE?IAL No. 1i0580A REV. 3.1 RELEASE DATE: S/W/65 <44i<< I i C404?fiji I I i4of I i I I< 140 It>> I i>j.*;p * •41-* IWO * V. .0 V.- *-W* * *40.. it* it -x• ** ** -** * •* W1* IW* ll•* • ** * IF, it 14 W, * it. -K FLOW PROCESS FROM; NODE 170.10 TO NODE 169.00 IS CODE = iF ---------------------------------------------------------------------------- Ill)>RATIONAL. METHOD INITIAL SUBAREA ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMEN7 18; SI•WE FAMILY 11/0 ACRK( K*C4LEN3TH*mW/4F-EVATZON CHANGE)J**.l. :NZTZA� SUBAREA F.DW - 650.041 UPSTREAM ELEVATION - isW.let DOWNSTALAM ELEVATION 1 e7a.50 EWEVA7ZON D7 10.64..N To - 'WAYLn 10.&0j3x*.a = 14.013 W.00 YEAR RAZNFALL ZNTENSlTY4XNCH/H0UR) - a.757 Win CWASSIPICATiON IS "All J _(V ssKr_ti R'!`Nur t TOTAL AREA4ACRES) 10.00 TOTAL RtINOFF 9 at �• at•te•+t�t ier. •ttat ie�e• •e•r. •te•+e•tr+e •tt•+t it �e •rc�t•+t•+t x• ae•ie•+e is u•x• eir+t+r at�t• a K ie•+tre+r �c+t�tit �t�t�t+e• it�t�• �t � ir+r itrt•tt+t ic• �e•�r+e it•�t• ie a•w• irie• �• FLOW P ROCESS FROM NODE 169.00 TO NODE 169.00 IS CODE R 1 - - - })) }) DESZGNArTE — INDEPENDENT — STREAM — FOR CQNFLUCtICE d 4 < f '------------------- - - - - -- aasssssaasmsaaassas ss ara s_ r a a s msz.3 s rsasar.. se.:• s... maesssasr:asasayss.=sassssr sassaa..a.+rss.•as sssa :aassaxsr. CONFLUENCE VALUES USED FOR INDEPENDENT ;STREAM 1 ARE; TIME OF CQNCENTRAT ION{MI NUTE3) 14.01 RAINFALL ZNTENSITY tZNCH. / H0 +R) a.76 TOTAL ST REAM AREA S AC; RE S) - 10. 0 TOTAL STREAM RUNOFF (C:.`FS) AT CONFLUENCE ekt.._9 ***4t x•V••r -*At*it$ *a••t•te**4.14t�p •Kre•itx•u+t+e•�r�tr+t FLOW PROCESS FROM NODE 1 740. iENt TO NODE 169. 00 IS CODE t )) })) RAT Z C)NAL METHOD INITIAL SU&A REA ANALYSIS < { { d saasrsraratarraszsr =sas == sszaa• sraszxasa. xseaaaraaasuaas.•t saaazssrr ss: �saaraseaasasrssss :.=xsxasss+asrs.ex A SSU MED INITIAL St &PPEF"t UNI FORM DEVC- LOPMENT IS.- SINGLE FAMILY i l /-4 AC PE ) TC CHANi3E):)*-r. ; 1. I•IAL. SUBAREA FLOW--LENGTH - 1000. 0 UPSTREAM ELEV - 1 E95. rc" 0 DOWNST ELE %, "ATI ON 1 E: f C 54:Z ELE+. AT I Oni it I FFEPEttCE r :-; . 542t TC: . 2t # —j. ( iiE. 5C?) 13. i_sKy YG'idi+: PAINFAL.L INTEN T `S! S IN(_'H/!-lOZ.k*) = iF. 64E SOI C:LA S S IF I CATIC - I "A" ® SINGLE- F!;trl: -V4 AC-PE: LOT) RUNOFF COEFFICIENT IENT _< . 7395 SUBAREA F-.lLlPJ0Fi- (CPS) a 1. 05 TOTAL AFEA 'AC:Rs?S) - 10. tit¢ TOTAL RUNOFF /,C:FS i e I . 05 Rit *4t•*0.it****. ***+Pit****it i!ie 7t its! it•14it * 1t it itM.• *•** itit M Y it It it it it it M4tit*it* FL-044 1 --O ESS, s•= RC •r�! i 1 r_ 9. QtO TO NODE 16%9.00t 15 CODE = 1 )) }) DESI GNAT E (INDEPEND STREAM FOR CONFLUENCE-f r, 4 r } } } } tS >8£t C:CJMPU E ti %4aFr'I t tt-. S C..{=tNFLLtcENC_ED ors: sasv=. zss= c rr.== r.. zssxrser =a:x == •.r = =r. =.^ssx-- rase:rxr srxrr.z r..r. .rrrr_.s= ---- rr. =r. �•.aesssa:r..rasr CONFLUENCE VALUES USf'F'D FOR INC ►•E 'ENDE:b.'T 57PG.f-Y TIME 0 = 1.3.E' RAINFA I N t'C.NS x 't' r I NCH. /HO P) - i::. 155 TOTA SIRE PM M AP 4s / AC'^:E IS = 1 Q?. oi TOTAL STREAM r''t tttf:s= � : t=FLii AT Ct: NFLUE•Nf_ • -• is t . k' ^5 CONFLUENCE E I NF CtF!tr:fs T 3 C.ttt NUM.eER /. CFS:} /. Mil N . ) t 3 - NCI-H/t-s {it. :R) 05% 13. 2 i:-. 8.46 RAINF INTENSITY AND T : ;tf:_ OF CONCENTRATION R44'7'IO F0J;;"M -tLR ( SEtC) USED FOR E' STRF¢tMS. VARIOUS CCNFLUENCEj:t PUr-s _rFF vALUES FIRE AS FOLLOWS: =s td. 58 - 40.09 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF /CFS) — 40. 616 TIME /MINUTES) s 1.4. 4r'?I s T AL i =:40 <. 4Ak'k ***it•***M** K trh I• *R•**it it•* # *.* K•* 4t** it• it•1t * *it•R•*It- *1tit*fit•it**it itt.•M*R•it*itK•it** E'0 it**** it•Y.•** it •k•it If- } Y Y ! Y COMK-UTE PZPEFLOW TRAVELTZMtE THRU SUPAREA < < < < < Y Y Y Y 3USINO COMPUTER — ESTIMATED PI CIE SI Z ittiON— PRESSURS FLOWY < < < < if == Sowss smmAr marena Uram sem msraarms'rmwar"M War" arrtr DEPTH OF FLOW IN 36- INCH PIPE 15 "::6. 3 Z NCHES FZPEFLOW VELCCI TY <FEET,/SEC. Y — 7.3 ® UPSTREAMt NODE EL A la7a. EFC#WNSTRE- AM NODE ELE VAT Z ON z 1 '7 . f2 0 FLCYWLENGTT-! <FEE•'T•Y — 100. r["'O Mt63NNING S N .013 ESTZMATED PIPE D IAMtETER41 NCH) 36.00 NUM &ER OF PIPES — 1 PI PEFLOW THRU SUVAREA 40.66 TRAVEL TZMtE <MZN. Y m . 12*3 TC <M ZN. Y m 14. c_df ar+t sir• per. �e+c ie r. ar �r �ti►fr�:• •K �t• ir,e �•r w•�r x •r.•irit it tr �re•ir �t• •Ktr r. •irr. at•�t �r ae �r+rre• •tit• «•+r � � � ie•�e••r. •ier. stir it rr •u•�tit•ik ae ie•�r it•�t •n•ie•+t+t i! FLOW PROCESS F ROM MODE: 170.00 TO NODE 170. 00 I CODE Y Y Y Y DESIGNATE INDEPENDENT STREAM, FOR CONFLUENCE < < l.4 < aesa•: tassat. �assa:z r_ ssarsrrssermarss_ rsaxsYs. sscaxresx .xsrsamsss » »aa.xrs.•x —. asa. —.xr. _r ».xm= .— ssassaaar ».- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONC T RA T ION i M I NUTES .r » 14. iedf RA INFALL INT'ENI �ZTi' <ZNCH.,'t°OURY es.73 TOTAL STE=AM AREA <ACREB -• e4l TO T F'TL STT;EPtfi RUN <F3'- 4CFSY AT CONFLUENCE <r df0. 6-6 a•it �r •r.• itr. •ttit• •t �:• i<• r. tt •r. it it it it i! it �• *• it it it it• is il• x• •rr �t it it it it •It• i!• it it it i! it it •It i! wl•it it 1t• iF i►.• it i!• i! �R• it iF it •It it it it iti► it it i! it ir+r it it x•♦t it it• FLOW Psr+.0 <CESS FRO NODE 170. 30 TO NODE 170.00 I S CODE e Y Y ; Y Y RAT I OIII -YL tftE" H0rr Z ?tit Z T Z AL B U&AREA ANAL YS Z S < < < < ® AS S LIMED I NI T IAL SUS'i {REA UNIFORM DEVELOPMENT IS: SINGLE Fs:MIZLY <1/4 ACRE) ( TC = trs C <LE! H-01t•. <j ..< <ELE4 ZCt%t INI IAA SJf-RA :Eir-') i Li?#�t-- t_ElvCTtt # tt�et i 'tt ti R. ts''tt�� DOW!'ts'' f'-I ff fe F:t_ 1 .'f -� Z �tt'1 • -• '� i` i i - riC'tA?t ELEVATI{ trl DIFFERENCE = 1 f. rc 0 TC m . j`_?. < N E : i0t. 0. rZt0i!*3t . 4. f,Cbc?Y -1 if +'. i:: if. 773 E- YEAR PirfI NFALL INTENSs TY < ZNC:!-? /Hf.RL2R } _ 21.3134 SINGLE— FAMIL'Y43! -4 ACPE LOI RUN(:F Cf-IEFFICIENIT = .71 S: t cs�REbr fi:i�t�1fZ�:-c <: F'yJ ••- 1. is Z. f 0 AL. f Rf:iA /. A;- !^:E 5 J T 1.10. i t_tTAL �• it it �!• it i►. iti` i! it iC i! �! i!• i! it•it *V.6* i!• i!• it •tt i!• e *.We* it• i4• it it e * it it a it• * Y.• it• it• it i! it ir• it• it i! * i! *• Q e e it * i!• * FLOW PROCESS PPOPT ttiODE t lLN. 0te. TO NODE 3 7¢'&. 4 16 CODE 1 } . " e Y . Dc. ZGh.l- TE Z )'C - rE''`, 1 ST K'1':f•SM F CS_NN"LLtt_N . ti sraaea. —�.� s »_z.t �•..�.�•»:.x-= sasr:.xr ze_ •.- .r..a. —. —s= aaas. —s ».=: a »scxa » ».r._ .� rs ».a.= s» »= ». — •.ac »r ».x. _.x »- r.�•.xr = �_ a:^ ir idrV� LttENC:E VALUES USED POR Itti DE PE:NZENT STREi- m Z ARE: TIME OF — 16.7 RAINFALL ZNTENSZ rY (INCH. '! i_Lt ? ^'t -_' c':..3 'f'Ct T AL STREAM AP.-EA i ACJ*E:_ Y - 1. 1 0 STREAM R:S }:: ±> F : c c8 J A C:i +Na= t-tlENC:E ® •K••.I.* i4 t i!•N'i'. iF a.• i1• M: i!• N4! it�•iti!i►ikilit•i!•1►ililit•ik ik i6 M.iliti!•i►. ik i�it it•Mit•K.•1►•it•M.•i!i!•it • iF•M.•i!•M.•i!•R•N•il•ib it•i!••N•i!il it M.•iF it il•i!i!••N itit ! i..OW PROCESS FROM NODE 170, TO NODE 170.00 I S {_ t'Zir.:. r L_ . Rs: 71 CtNA"' ME', DiC -' Z N Z T I AL S- U&APEA ANAL I S r= .=•.a•:sss: »a »s » =. -= e.ozr �•.aa.•- :xrr..».xasx -sa.x ss. xx. msas»». r.—»»».:•». xs» a.-. rsxxa .:.•rx.�•ac�saa ».nes.�r_r.= ASSUMED INI TIAL St tiT.' APEA UNIFORM 3 nt s t t 43i. � tttrt••atK�s -r t L iffK — 'L t l�it� 3 !'t = �kt�Lr. rc�+cs , UPSTREAM ELEVATION 00 DOWNSTREAM ELEVATION = 1i 7s?.00 ELEVATION DIFFERENCE _ 1 a. 00 . TG : . 393* t ( 900. e2lC3+ *3) 1 { 1 E. 00) 1 sera. ie m 1.4. 1 47 e5.08 YEAR RAINFALL I NTENS I T Y t I NCH /!•fOUP Y A ::. 7 41 SOIL CLASSIFICATION IS "A" SINGLE — FAMILY t 11 4 ACRE LOT) RUNOFF COEFFZ CIENT = .7353 SUBAREA RUNOFF (CF S) a. 4t:: TOTAL AREA(ACRES) — 1. e TOTAL RLtNOFFICFS) - r ar arl ier Na ar e e r ar arare k % * r are it * r a r e eMr e r a ar e r e *** * re*rar a ie ra ra rlra r!rarerera*** *V.. **** *h FLOW PROCESS FROM NODE 170. TO NODE 170.00 IS CODE — 1 ---------------------...-----------------------------------------_------------ ))))) DE82GNATE INDEPENDENT STREAM FOR t: �irNs=LUENCE d 4 4 d d )))>Y AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES : 4 ; { f arses• �= saraacaarsrasareraam: aasarssasssa�m= ratsssrrararmararrmsmsrs rrea.srsaamammsaaamaasa:rar_ ss•ssrva_r. ac- CONFLLIENCE VALUES USED FOR INDEPENDENT STlsL°A.'s 3 ARE: TIME OP CONC:ENTRATION04ZNLMTES) 114. 15 RAINFALL I NTENSITY -'I NCH. /HOUR) L. 7.4 TOTAL ST REAM AREA 4 AC: RE S) m # . i2 '0 TOTAL $ 3 #TEAM RUN. OFF : CFS) AT CONFLUENCE -`4L_' CONFLUENCE INFORMATION: STREAM RUNOFF TIME I NTENS I T Y NUMBER 4CFS) <MIN. ) t INt;.H/HOUR) 1.80 1 es. 77 e. 3.1 .'s :. 4iE # -4. 15 .=:. 7-41 RAINFALL INT ENSITY' AND T IME OF CONCE,NT P T I ON fri-4T I O FOR :y'MUL -A 4 SBC) USED r Fir >R 3 STREAMS. VARIOUS C ONFLUENCED RUNOFF VALUEFS ARE AS F -4 46 38. 32 X4.4. iF kt COMPLMTEEr CONFLUENCE F_9T I MrMATEIS ARE AS FOLLOWS: RUNOFF 4CFS) a -44. 4 TIMIME 4MINU ESQ :r z 14.: •`4 TOTAL = 30 rer a r er a er► -*4-* f t *** V .- * • M a rerere ra rr• r►.•*v *v lre re rere ra rt•rk rt M re itra ". K .-w 4l A-* re•rr rt re ** * ra rl rt•R- K.rara rlrl re re ra ra r! Y ra rr M. FLOW PROCESS FRAM( NODE 1 742"'r. 400 TO NODE 3 ; i . 40 15 CODE ,`s ) >>) )C:OM3-U E PIPEFLOW TRAY LTIM!`E THRL` SLr:erA EFi : d d 4 { > :r)) } LtS2 ntCt t':C�M�t •M MTE Y- EST 2 M�!s'r s F Er •I f 'i_.`�:{ C' { htf�tM!— •REST t cR F'L Di•.) t ti =aaarmr. alcaraac v: -:es= mr..s- r_srr. acrrarrs. -ar.— �-asr= rs _.aaa.- crar_ram a.ssrr zar_ m. aar _as.:s•sar.•a•arasa.r.�s•aar.sr ra.r. DEPTH OF FLOW I :: 7 . tR INCH PIPE is E= I . e I N€: -!-• E S PIPEFLOW VELCtL:ITY4 FEET/ SEC. DOWNSTREAM NODE ELEVAT l On.' _ # sc ela. oet FLOWLENG T H /F EE T) -T 17 0. Oil M AN I NL•+:a ESTIMATED PIPE D2A.3 ETER /. INt_H) _. E M•v&)~RER OF PIPES = 1 P PEFLOW THRLM SLMB REA{CFS) •4-4. 46 TRAVEL TIME <MIN.) z .21 •TC " ""I ?Ni. ) _ # i!• ♦r• ♦t ra i! if re re re r. rl•ra �! r r6 r. ra il• rt••Y.• i!• *• ♦~ K• ra i►.• re ♦r• i~ rF re rt ra i!• re• rl• re ra re rr• re re• re re rk •r! rt •r! r!• ra it• ie rr re r!• •M Y.• is iN r!• i~ as i!• rt• re ra ra i► re• ra ir• ra 1► r! FLOW PROCESS Fs'aOM MaC DE 17e. -4 TO N ODE 1 7c'_, 40 I CODE � 1 ) ))) DESIGNATE INDEPENDENT STREAM Fti;:; CONFLUE { d m.¢•srzamsram == am. „mam .ter:.= •• r:a.armmnrr_.a.:• —. —s.. =. -- .z..xc— s.m—= .:r.�mm:.: :.:a.vm..:- s.s.: -sm =— .rr__'= .r_.�. :•.—_ :: ='_�_ CONFLUENCE VALUES USED FOR INDEPENDENT STPEA.`n 1 ARE; T OF CONCENTR� -xT I C3N � M•tt MvZM !'E �:) 1-4.4-5 RAINFALL INTENSITY /. INt” H. /HOU _ x. 71 t ss i PtL. :? L fS'C /•ff�{ mLJf%tts - r Gi_r rs s LLS('tS�6. t <Cf�t_•G • do wo. "r. w ie•+t �r it�t• it �• it ir• �• *. it * it r. it• i! i! it it• it it ir• it * it 1t i! it i! ir• it•* it it itit it i! it it * it K•it it * it * itit it• * * * * * * it it it* * * * itit �• � * * * * * * FLOW PROCESS FROM NODE 173.1 TO NODE 17E'.40 IS CODE rn } } } } } RAT Z ONAL METHOD INITIAL SUBAREA ANAL YS I S 4 4 4 4 { r..raaeramscsaasrsas usesssarassmmrararaaarssreasrsrm sm. �. crassxaaraar ^araaA'rassssssssrasa•.aras�e aeass..sr+.a ASSUMED INITI SUBAREA UNIFORM DEVELOPPMENT IS: SINGLE FAMILY 1 1/4 AC: R E Y TC - t'4 *t (LENSTHip -*3} f 4ELEVATZON CHANGE} 3•**. : INITIAL SUBAREA FLOW - LENGTH - 950.00 UPSTREAM ELEVAT Z ON = l e7b. Oc O DOWNSTREAM ELEVATION = 1.- '.66.54.4 ELEVATZON DIFFERENCE •r 7.50 T C. .n .:s93+t 4 95Z2t, ict+,Ztir *3 Y f 4 7. 50 3 * *. : = # ice. tc"'t5•`i 3 OO YEAR RAZ NFALL Z NTEN3I TY 4 Z Nt_.H /HOttP Y r e.5-41 SCSI:_ CLASSIFICAT I3 • All SINGLE- FAMZLY 41 /4 ACRE LOT) RUNOPP COEFFICIENT t . 7Z�6 SUBAREA RLtNOF 4 CF- S} s 9. 0.4 TOTAL AREA(ACRES) - at . Yo TOTAL RUNOP 4 C:F S i tit •* -** V -*** * *'*- V• * *• * * * * * *it it it• * * «• * ir•** it* *********** * i►** it • * * * * * * * * ir.• * * * * * * * * * * •x• * * * ** FLOW PROCESS FROM NODE 172 TO NODE 17iE�. 40 IS CODE - 1 } } } } } DESZ 3NF ?TE INDEPENDENT STREAM POP CONe=LLfENC:E 4 .; 4 - .' rss��aearm- rras.= ssr .xr.x.xrraasrsms- raxsraaaaxa.x .•tamrrraa..::ae.a �xesxssrrrrsrsr.•� - :srsrr.- .�rr_rr_ CONFLUENC YA-' LtES USED FOR I NDEPENZiENT STREAM REi• M ARE: TIME O= 16.05 PAZINFALL INTENSITY 41NCt••t. / ttCURY r e. 44 TOTA S t REA.*" ffi ^c: -t•? �4fi.:�e.�.t' ?} s .y. 5'f0 T OTA-' S PEA , AT CONF LUENCE •= 9. od) 1tiF* it•* iR•*i!-** it•**i*• i! . �A iC•*** ii*** K•*********• YS**** it* it•* * * *i!•M. * * * *i! *il• * * * * * ** *its► * *i!• ** FL' C PROCESS( r' 5;:010 NODE 10 TO NODE 1 7E ' . 40 I S Ct`_ rr;E _ INI TIAL t»kti`•eAREFk }3N�i�.l .sssassas -: rra_r�arr= :- ss. r« r.- arar. r�u .- s•.rse.rra•.xmsarsrar.r_ -.r. s.- .- .s_s.r.- eraxr- r. =.r.. rra- asar..= -te.rr ASSUMED r I N I T 1 AL SL.ti' PR•EA Lth' Ft ARM DE V ELO i-It'7L' - NT I S FAMI 11 ACRE TC - K *C4LENC: * *2.' 4 +i;T CHANGEi3 **, INIT - 4 - rstBAfE?- -" f':.C:kW-- LENCT.H : 1000.00 UPS "rRL.* M ELEVA- ' t'4 • - 1283 00 DOWNS REAM, ELEtisIA IFON - f2 6% 8. 50 ELEVAT DIFFERENCE 4 1 =s. So TC: .r . 9a* f 1 0 00. fj10 -it 3 / 4 1-`r. SOY 3 nit. Z. _ i•s•. `� �? e5l. tctts',t YEAR RAZ NFALL INTENSITY 4 Z NCH /!-iOU ) - :. 742NO' %- _ASS IN Ic- SINGLE- FAMILY41 /its ACRE LOT) RUNtkFt•�• COEF FICIENT -- .7 SL VAREA RiJNOFF 4 CFS Y = 1 0. 5(1 TO AL AREA4ACREE) = 5.Nt 'DOT RC!NO F4 C:FS Y 1 0 1 50 * i+•* i!• itic- Y.• ir• it itit it i►. -*** Y.• ****. * * A• N.• x• ii• 14• it -it * if Y .• * * * it * ir - •Y!• * * ** * * i!• * * *-w-* t * * * * * * * * ir• *iv� F PROCESS FROM NODE 17:_. i40 T { NODE 17Z .40 i S Ct-IDE r 1 } } } } } DES. G14'{ i3G INirt:f•'ENirG'':T STh'tAL Ft_ti - L.�Lt�V;�•L.Ctti,��,E 1 �_'' ,'_.__ �__ ��_...._.�__..._ »__.....__..._. } Y } } 3AND COMPUTE VARIOUS C::ONFLUENC.:ED S'#' F?t A?n VALUES 4 .r �arss•ssrsmae.rrsaarrar.ms �•w srrr. rsrrr. -rs sar arra � -.x•:: rra. srs_ rsr =z ers�r.rrr�rrsr=.- .r.s. -rsrr a.sr �. ._: .-•.s �-. -•.... CONFLUENCE VA .UE:S k tSs_D FOP ZNDEOENDENT rs''.`R - vlo` 13 sl;c : TIME OP c:ONC:ENTF:AT ION 4l+':s "NOTE: :r _ 14.51 RAINPALL_ INTENSITY 41NCH..+`HDUPY = iR. 70 TFi?tSt R i pi=Zim s:rt.'st =rx [s"Wr -Pf cR} s :apt C ONFLUENCE I NFORMAT ION: STREAM RUNOFF TIME INTENSITY NUMBER 4CFS) 44101. ) 4INCH.+'t-dOUR) ----------------- 1 3+c3.5t2� ------------------ 14.45 .-. 7+06 16. 05 e. 541 1 f! . 51 e. 700 RAINFALL INTENSITY AND TIME OF CONCENT RAT IO FORMULA 4 S&C) USED FOR 3 STREAMS. VARI CQNFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 63.4246 60. 67 63.03 OD14P TED CONFLUENCE ESTIMATES ARE AS FOLLOWS: Rt_1NOFF 4CFS) — 63.06 TIME 4MINUTES) e: 1.4. 454 TOTAL AR'EA4ACRESY a= 3E. 542t r ♦fi►•ilit•iN►itit itit * * F at -r •kirit kit it it it itilitilititiFit it it it kit it it kitit•i► *** tit*k it FLOW PROCESS FROM NOD 17E�. k0 To NODE 1 71 . 02r I CODE — 3 > 3 } f t'`CtMfit3 T E F• I PEF LOwl T RAVEL T I ME THRu St_ BAREr4 < < < < 4 > >) 3 )USING COMPUTER—ESTIMATED F•IF•ESIZE 4NON— €IRE:SSURE Ft -OW) < 4 i< < aerarm :aaea zs. za azr. esra asr a 3•a•ssarsarsis ea rt era• ses e: ssaaa.aa• sea• e: azsza•.r.rr. s aea'ss•xxmea• azrr.rrs- cams acs uae•a•a: x sae• at_s.:s DEP OF FLOW I 4a. I NCH P I 31 . 4 4 INCHES PZP EFLOW VELOCITY 4FEE /SEC.) — 8. UPST N.�&E ELEVATION = 1::'68.510 DOWNST NODE ELEVAT — 1:?_F•8. 12 0 FLE'si' LENGTf -t /.FEET) = 1 kh2t. tC' 0 MANN I NGS N . 01 3 ES TIMATED PIPE D IAMETER42NCH) — 4E.00 Ntt?+BEs` OF PIPES = 1 PIPEFLOW - i' H t3 SttEts:i cF'sa4C:Frs) = 63.06 TRAVEL I ME (;41 i.) T . a0 Ti / M . ' N. ) =+' ifs . 66 �! i► 7t i! it it• it ir• i!• it it r. it• it it it �! •1! •K� it it• it it it it i!• it it it• it it •r. it it• N. it •F!• i<• ie• iR• if it it i! it it �• •M• � it it •k ii- it r. •k it• it it •k it •k it it � i!• it• it it it it it• it• it •�► FLOW PROCESS FROM h:C`DE 171. C2tA TO hiCtDE 171. 00 IS C:C DE = 1 frESIGNA 7- E INDEP ENDENT S•F•i• EAM FOR CONFLUENCE 4 < 4 arsa•.mr..vz= sass. —ssss= =ss. -= .c= ss — :. —= s. —ss.= rm._:ses.T.:.� =_ _ — _.:•sz.acas = s.-. —r sv::_ ._ _._= =_r= _ _::s. -.-.� =s CONFLUENCE VF LLIES USED FOR INDEPENDENT ST EAM 1 T O F =- 14.616 RAINFALL ZNTEKS T Y` /. I NC H. : Hi U -• Z. 68 _� :!T►1 - _ f:_f>.'z> �v'? >vtS <L :l :) Fi {:'- t!'i' = s_ {t ^1C.:► -• t.:. t�tt 1t•i!•1l it•kit•iliFitY, iPit•tl•i!• k 40.•it•i!-i!-it•N•it*4t* ►•4 • M.•i!i !•Y.••Ititit•IfM.••Mit•it*.K.M. itit•i!•it•k••N.•i!•iF•M ♦ t•* *- Wit•Y.•�Mf•Y.•iR•i"V.•i!•M� FLOW PROCESS FROM telODE i 3..=:O TO NODE 1?3R. IS CODE x ? :f �^: i'f i!•�tfa:_ t=T�.f �: ! ie.; y`• i I AL_ `w'••.'iL28Pttii_!'i {Sle1 s•s:.. 1': <T L� �, < iC.� t «: =� «�� .L' ?.:CSC: � _ ...Sr;. �_•'iT T.�.� �� .� � .3•« .�.�.C� .�S:.T «::.T «�:=.� TT �.._ �_•� :�.. �-.� .�.� _ .»•.T.� .� . �..: �.'�.. —�. =.0 �T. �.�: TtT:.::.T.� _.�._. ASSUMED SLtBn;;:E - ; I)F_'V'ELittisrt I :.'� . �{:kt ^fr3L �•;_: � �:.. s C. = x t 4LEh1CtTHiFi~3i f 4t?LE 4 +f s TCuV C:st «hit {Er 3. SU&AfSEA FL .t 1 t_ >e1 1 i ! — 1 �L�tjF�tl'» 00 UPSTREAM ELEVA T I CiN •- 12!6 1 . 9 •1 4 Dt_tWNSTREAM 5%F ® ELEVA'TON L ►T - T — .� l i_ - ..5 +t :5 it C. 4 1 tti'tOtet. 4'•.tic?+t k. :> ,r' 4 tt. vi�t) * *'. a::: ► 4. 0 YEAR INT ENS ITY / t::Cetr!!r,E?✓.t::ls`Ct_ �:rEti'Et_L`t�'t�±E•`! �' l+:ttie /t�t•= •- t= �_tEF= I�I��:I'`�e..._ x 1 tt't» ; f TOTAL AREA 4 s'ic= RE 1 K. 4 C i OTIPiL . 0. 7 w .. R- W-- w w w .• w w n w .. w w w w w .• w w w w w w w w w w w w n n n w w w w .• ...... w w r... w w .• .• w .1m n .. n .• w w .. w .. n .• n w w .. •. .+ w .• FLOW PROCESS FROM NODE 173.3e TO NODE # 71 . e.0 IS CODE .- 6 } } } } } C :OMPLITE STREETFLOW TRAVELTIMtE THRt_t SL.PAREA 4 4 4 4 4' aas.«smsgsma�mas•ssssasrsss ssasaeasaaesasssmsaasrss• ssssssaaasar+ ssaar: arsssars . :ssssssssss•.rssssa. :a._= s UPST RE AM ELEVATION *r l ?3. 56 t}OWNSTREAM! ELEVATION 12 00 STREET LEND 750.00 CURB HEISTH /INCHES} = 8. STREET t- ALFt/ ZDTH 4 EETY _ e6.00 STREET C:ROSSFALL- (DECZMAL} _ . 0 k0 SPIc CIFIED NUM&ER OF HAL.FSTREET x CARRYIENG RUNOFF •_ 1 **TRAVELTX0*.E t=:0tMf- -, UTED USING DEAN FL OW(C:FB) = 11.84 STREET FLCtWD PT!•-! ( FEET } - .57 HALE'STREET FL_z +c'ss WZDTt'•'t4FEET) = 17.::16 AVERAGE FLOW VELOCITY {FEETi /SEC:. } = 3.1 PRODUCT OF DEPTH* VEL.00 I T Y •= 1.77 ST6sEETFLOW TRRV'ELTIMtE(MI _ •4. RA TCIMlIN} = 16. 5. YEAR RAINFALL_ ZNTENSZTY(t"NE:H.'4•tLrU ) - e. SO 1* L_ C:__AEt s I F i Cr�a'3 i tsN I �s • •, SI NGLE-- FAM#2LYl1 /k ACRE LOT) RUNOFF COEFFICZEmitT SUBAREA E7REA { AC :s•:ES) = 1. Z'a S# &AREA RUNDFF ( CFS) _ :::. 17 SUMMED AREA s ACRES } 5. E10 TOTAL_ Rt tNOFF / C:?= S) _ 9.4 ErgD OP SLIBAREA 9T HYDRAULICS: DEPTH4FEET) _ .59 !°'ALFSTREET FLfstiDWZD•TH(FEET) s- FLOW V'EL_C 1 ; Y : FE E T 9:: :C. k - 3. 1 ds F.r�..:PTH*'tir EL.00I TY # ..si -s �er.'►n'r. ��►irr•r; r. r. ir•sr�ie•r. r. i!•�•ie'rr•irr. tr•r. xrr. ter. ���r. r•r. r. �•r. •Sr �+•r�+�•r!+�ria�r•r. r•�tr•r•�r••iF�1►•r. •r. r. r. arr. r. r•r. r!r. •rr FLOW F FROM 1 f 1 . tick "'t TO NODE 1 i' 1. 4 IS } .`r } } • `r Prs. :S II SNA`s E. INL:YE E NDENT STREAM F0P C: NFLU NIC -E . �e «a saasc.s -asxx srrnz.»x.s.: -c.r. �-cr arsrsa•�+• ».ca.r. re error. essm• xar. saa :ss.rx »as- a.- arxrrrxsrsrr»rcx= zres•zaarxx ® C:C.tNFi..UENC'-- VA-LIES USED FCtR I tsCrr_'t ='c .N.DE'-1 T ^ STRErarr C: TZ MtE t` 16. 50 I T r.;?. '> ; ` i �.._ ; ' ! _ r` L•f t ' =• � R�7. N= 4• �F....i_. __. ''S' .t `ii_. L{�� a`. TO < Ai- ;::TF ;.;.EA s•iRL_s•4 jACFES } TOTAL 5TF 2'4:s't! �:!Jr-1 ( CFS) PYT C 0NFL.UENC :f:' ._ 12. 9-4 s �r. •r. •r. •r. r. ••e. •w i►;ry * r. � � •� * •� +� r a� •� � � r. �• � •r. r. •r. r r t r •r. •►� •r.• yr t r. r. •r •r. iw. r. ,r. r •r. •r •r. r •r. r. r. �r• •r �• •r ; : •r;c r;r �r• r. r r. fi •r. � r. r. •r. ir. •r.• i..• Fi 0w PROCES Fiti•D?r! bitsDE 1 f' :.: :tcv TO NCtrrff l 7 00 1 5 C`: i3 •= IN ITIAL SL18APE.4 Y Al�tft _ Y 9I 9 .r. rrc. ;� sr.:: --. •r.- �- x.- ._. -.a =rc = . --. ».. .- . -_.::= as »sssc z.r.� ar rr.r. rr. -cvc r.= = :_ -:. -a �.r. c.:: -•� .-'� = .:r =rr. -» ....sue _a rar. «ro.:rr..r f •sS Ls.' s' L7 4 } L =;_i_ a: >ir Es,: T Z ::� : C :C_t!R >r,E : :`� :% :I s "•�L TC !:+►: :...�= .'�Ft� :"li�r3y. %: f_Etir`t�`It?!�i C'ls�Nt3E }3ni!._ 3P�.i T .ClfL S Ji ?;r F - LEN6 " 7 - H - t.4tt LNO i t!'':'s'3 " :REA.`', f `E: +.'�'£ > .t' Ctt l • -• 1 El 96. 50 tXL3vilv'� . 4' fi:`/ ELEb'`s: ?" I i: �• : i:{ka. eel ;...: ti G•f� S iti4 r ' . fr :E' _• 1 54 '} L; . ` tL - <•9!• �t �§t�'�t t<�t '+!"Y! j. a� # 6. 5 S i:_" . .'• �`f t. ;_`,_ 00 `s` - "A RAINFALL_ I N 3'Et4S II Y j :{ NCLHi" Hf -ttJfs .r -- t .4 - 713 S0ZL_ CLASSIFICAT I S "0" Ct .iMr.`F=RCIAL DEVEELOP PO N OFF C.OEFF C "IENi' SL +PAREA RUNOFF / C'.FS i _ 15. 30 'r; t T i=r3_ = iT AL GL t►,j {+- � : is r ; y S. 34*.k TO : S. .SL't r•r if&V.L ta**-rre.•••rIL r. r.i.ie .- .0.wr.x•r.•4. r.r.11*4.r.r.91 s.- w*•rrr -P •rr.•r.• *rV.-* *r..*.111r **Ir.**ivL**li,. ***r..*V.i►.•*r�rr.r.;e�rr;* FLOW PR OCESS FPON NODE 177. 30 TO NODE 171.00 I'S COD= = 6 E IrPEEETFLOW TFA%,E:L'TTME <;3K!.! Sc3 stFEs✓? :;': sY «rx'e:•. -er x:ta a.•es•s• «m•a' �� c. s». a. cz •sr »ss :.asrss:rrr.7•.War:rss.Y rr�ra.r.:.r. - �•.as rssr�.s.�s.L .r rs. -Trrr s.s: �s.��r. tea.-. : -: U;:-*'ST REJ:W ELEVATION = 1 821. ic' 0 DOWNSTREAM E - AT I ON -'• 1 i -6A. 00 Q f ,:t.r ? Ti x '!ttr.uN -ti CA t .ksti'R t4pTfiT 4(INr. :4p&: .rr Et_ ? - A =Lf (Vf-4 %t%9Z (Y Lt f- M"L-1 M t ft'tG i b t-•t•sKft' V I f%13 1"cC.�sYL�f f T t **TPZ'AVELTIME COMP UTED USING MEAN FLOW {CFS) 17. STREET FLOWDEPTH4FEET} - .59 }• ALf= ST REE T FtCkODW I Fi"4 H i FEET) _ lie. le AVERAGE FLOW VELOCZ TY tFEET }SEC. > a 4.16 r OF DEPT!-&VELOCITY .4 -4 STREETFLOW TRAVELTZMEtMZNi} R �i. tc� TCSMZN Y - 13.55 .=5.+20 YEAR RAINFALL INJTENtSITY i. ,913 SOIL CLASSIFICATION IS " COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT SUBAREA AREA t ACRES } a # . 60 SUBAREA RUNtOF F t CFS } - 3.73 SUMMED AREA tACRES> = 6. 1910 TOTAL RUNtOFF {CFS> - 19.03 END OF SUBAREA STREE•TFLOW HYDRAULICS: DEPTH( FEET> - .60 HALFSTKEET FLOODWIDTH FEET) a 18.86 FLOW VELOCZTYtFEET/SEC. } a df.iF7 DEPTH-P- 0 , 1 ELOCITY = i.,` xx• xxxx• xxxxxx�•, rxx• xxr• xxxxxx• x«• xxx«•, e• x• xx, e• xxxxxxxxxxxxxxxr� •x,rxxx+e•xxxxxx «•xxxxxxxxxxie- Ft.OW PROCESS FPOM MODE 17 3 . 00 TO NODE 171.00 I S CODE _ # > > ) > >DESZi3N.ATE INDEPENDENT STREAM FOR CONFLUENCE •: 4 d{ > > > > > AN D COMPU VARI OUS COf4FLUE NCED ST RE44M sssa•srrsrsm•.raa•rs- ssasas_asa =rasa uerz sr..rxr srarsaraararrrsazarr. :arr..rs : a sasr.vssr arr sa.+rasrararaaa.a as= r•. CONFLUENCE VALUES { SEI'> FOR INDEPENDENT DENiT STREAM :3 TI OF CONiCENtT _ 13.55 RAINFALL INTENSITY { INNCH. /HO tR} = i:.61 TOTAL STREAM AREA { -r 6. get TOTAL CST RE Alf! PUW:?FF {CFS } t aT CONiFLU N CE 03 CON PLUE, . INFORMATI `iTREAM RUN OFF" TIME INTENSITY -- NttlMei R_ - -_ { i= -FS r._.-- - -• - -, N'!.I ri. } ' /INCH/HOUR) ._.__----.- _- _.__._.---- __._- _..- •-- - - - - -- # 63. 4 # 4. 66 a. 6664 # ;:: 9.4 16. 5;_: ; . •f 98 ► 19. 4._ #x.45 i».a:: v RA I NtFA:..L. IN TEN SITY' AND TIME 0;::* E�f= et•tt;E Pi !'!s4 Y7' i t:sr Rs� j I t FORMUt- A4SRf:) USED FOR ;2 STREAMS. VARIOUS �. t[ 4F PcWOFF Vf -iL .lE: S R FOLLOWS: S : 92.469 66. `t.. a =+ -f COMPUTED CONtf LEN f-'F EST 7 t+'A E' i saYE' AS FOLLtt!o)S: RUNOF FCcFS} = S > =.e -_ . mss . T f iT A. f fi Ear t Rt: RE= S % -•• -f 5. CNO +rx•x•r. xx• xxx• xxxxxxxx;•.•• o►.• xx• x+►. �xxx�!• xx•+ ri!xx+rx•n•x+rxx+!•xxxxxx•�••r. •M••r. xx�.• x+ e•+ t+ exxx •ie•i:••a•�•�e•x *•x•a••Kxxxx+« F! - P ROCESS FROM N ODE f 0 Nii_ki1E 19% 4,4f 7C COI:rE �" •< } } > > .'r S�Lji »•:'it��: F'� F'F^' T fKi•sti.'.._ 1!'f... S ?•�`r:�t :.��!�l?,�wf� •: •. , itSINe F- ':.:SI, E { NON- •PRESBURE FLOW. { { { { asssaraavasacs raaares•.r_rss:ss - -.r. .r.sssr .-.r. srss:s•:a•.xarras r.. rs.-. r.. v� .- �•srsr= a- +•.- r= s.r= sssw=ar=x r osr. �^ DEPTH OF FLOW I Ni -4-5. INCH PI PE E 1 3E. I NCHES PZPEFLOW VELOCITY {FEt=T/SEC. > r= 11.42t UPSTREAM NODE ELE::VAT •• - #;_66%.00 - t:rf W'%18''REAM MODE: E-EVAT I GiNt ; ec% t . c50 FLOWLENGTH{F=EET} '•'F.tO. MANN Ni • - . 0 4 13 - EST I MATED r=': {+='r`_ i` %t'E ;ir.tTER 3N: {_:s.7 _.. 45.OQ Nii?mSET:' OF s= 'I�•�S -- Y PI PEFLOW THPU SU&AREA { C`• S i = S;_. 69 TRAVEL TIME 4 MIN. } m #. 1 Ti= SO41Ni. } = :L 5. 64 �rx• xxxxxre• xxxx+ e• x• ie• xxxxxx• xxxx�t• xxxxxxx• wxxx•M t•• rrxxirxxxx+ e• xxxxxxxx• r.• xxxxae ••u•x•+�•xxx�•x « •x• 1 i X e if "Lriji f S C-<f`S Lf•' f L- flff••S.L PC- S Ptr- J -'lLMM ! IL-ww % % % % `. i - WAWIW SSitt,.da3'S TiC zsari=.iV= amcasrr :ssm+.Vt¢asssaaaasxs xm TS.'STS. ara.sr�ass s »a sxxasassaras = mar sCr3asa.� e5.00 YEAR RAINFALL ZNTENSI { It+tf:H/}•sCUP) - E SOIL CLASSIFICA IS "A" SItytCsLE- Fs�t`;I Y {;c..`_+- }'�s =•RE LOT) RUNOFF COEFFICIENT - .62=-90 SLIPAREA ARE:A{ACRESY 3.5e SUBAREA RLlNOFF{CFSY - 5.64 TOT AREA { AC RES :a 46. 50 TOTAL RZiNOFF { CFS Y - 98.:33 TC{MI - 15.8 -s w•ie n••r.• «,r +�+t+r� it•a•�eat �s•ar w•.r+e•+e+c « «••K•,r it i?•ir «• ie•+e•+r+a+e•+t irarirt •n•+e•+r+r+r+e+► •r. •r. tr it ic•,r •k ie •n•+?•+c• •r.•�r ie ie• ♦r ie•� u+r i<•ik �s+r irx u•im i<• i<•i<• FLOW PROCESS FROM t; DE 19 . 00 TO NODE 196.00 I8 CODE 3 Y j } } }CObfP 3TE PZPEFLOW TRAVELTZME THRU SUaAREA { < { > ! Y Y )USING COMPUTER- Ers•'TIMATED PIPESIZE (NON- PRESSURE: FLOWS { { { { { ass= .arzesar »�• »sr =aesarr..x errs »r. » »r+r srrs::rrarae•rs assrasr..ssc »aaa »ss esar »sar ever »rar.x » »sr .x•as= aasscr.:ex rerasae: DEPTH OF FL I 39.0 INCH PIPE IS .^_9. ;` INCHES P ZPEFLOW VEL OCITY {FE:.ETISEC:. Y 14.5 UJr' *S T REA.hl NODE EL EVA T I t N 1E DOWNSTREAM NODE_ ELEVATION - # :57.50 FLCWLEN6 FEET Y - E 00 Mf-tNNIt`P-5 N •= .013 ESTIMATED PIPE DIAMETER{I m 39.00 rtUM&E OF PIPES r 3 ;aI1 `EFLCW '!"HPu SUFcs - vPEFr { CF SY SA. 33- TRAVEL TIME4MIN. Y •= . a6 !C: {MzN. Y - 16. �t•r.•�ti►.•+t,r•+e -r. it �• ie� ir•it ir•,t i. ie•ir i!•it•i'1• it •fr+e•+e ic•i►.• iF i! *•+rir •r!•it• it �• •tt is it �• it• •se• i! •fe• i! it• it if` it•r, it• •u! it it•i! •�• •k• it it it it it• •r. it ic• •ft •ft it it tit •s! •ft i! it• it• FLO" PROCESS FR?=m NODE 1 98. ?2 C{ TO NODE 198. 8. {t'in't 1 CODE __ # } > } Y) DESIGNATE TE IhtDEPE!' DENT STREAM FOR c_•C' NFL uE:NCE: { < o. { srrasr. acss.:;•sxa�s.aa_r= .r. acss. - :•.. _r.._s..s_.s �.x. -s =r.:.x zasa� r..sm; . =.aa ».= = rv.- .:e_- .xr. =s.-.s =.= r_z = = »:r. =._ .� CC INFLUENCE VALUES S USED FOR INDEPENDENT S T REAm # ARIE . TIME OP CEfNICEN F%•!'-]'?'I { MIN tT S.Y s= 16.11 .ir: `s' {I?`tL`: }�. r'}!{t:kfi j a =.5•`s TOTAL c € P A /ACPF-5) _ -415. .90 TOTAL STREAm- AT CZ-tNFS'-UENG-E 96k. Z 13 i• r. if.. r. it *• * * is *. <,. �. y . y <, ►<• M i, • ae i! i! ik it i! i! i! i!• ik i! q ir• it i! M . K <,. * .. K ". V-40 it i! iR it i► i► it it i! iC i! y. •tt ie �• ik fe +e• ie • a it k * •� FLOW PROCESS ;`- R i tvODE 1 96. L_0 TO NODE 20 I B LODE _ a srr:= xscsa:._.r.= •._ -._ -� __-"'__. =_ = i•r._:ar._rar: »-: r..cx.= r.rsr.x.- . -.r..- _•._= _.- , .._._-- .:s.- .. » ».ar__. _.x» ._.- .x ».�.= zrsr= .x.x.a: fiv ttittn :: f 1 N I T I AL. SL.tBF {S'tiER UNIFORM �Y = yr L. i }•( h1 I CONDO MINIUM �'{=• _ � {i"L {LE:�d {i''}- ±if`i�;�! {cL.Eyrff�'flC:t:``t C.:}•Kf• ;��C:i:_.? _F #i`. i. INI T IA L SUS 4 4REA F L OW-LENGTH 1000. � t 3 � {-' r ?T3ti. A,m E_LEyr i rN _- 1 e7-1. 00 IY{t{rf f•!i E,LF%, - ' T I 0.'. .... # E 7. 0�0 E L E y,s(i `•' I fv,,' i ? I{F ERE':NCE: E. 60 To. �i. -ft .4 t' �: t�'�t? `S ? ^: �i•sS }':� I!'�TF�!`t:S3 ! `S' { 3l`tC:l�`,l}•i{ r�th: i = '. ta4'`L:? 5<.t.i:.. CLASSIFICATION IE; .,A" CONDOMINIUM DEVEt- OPMENT R{ tr:C ?FF SUBAREA RLENOFF {CFSY = S. S7 O T id,'._ AREA ZACP Et3 Y T { T' S:_ i;; {! ?ti'i ;'i i {.: ^'Y -• t_. c it (® r•it. it+kif`ilie• #ir•i<• iF ir.•i!il it it•it it• it• iF il,it # i!i!•Mi►,•it• ir it i`!•it it it•!•i!•ir• • r. •R: if• it• it. it it •r. i!•it W..-*-W. i!•iF Y.• it Y•i!+! F"OW PROCESS FR Om NODE 3 98. iE Qt TO NODE Y Y {..'C ?tr?!` - -'i_` r: ._ T:�ts = t ?=._t?ir.' {�:Dd4s'�L? - I��iE T f'^::�:L.� :.it'L'?f•i�:_f -? .; { `� c =a �•zr .-a.: ••. -. ».= _r. _. -___ -r = rc. -» se:� a -.x.= .- _- s.- e;r..a•. -.s=•= .- » rasr..r.xas..r= ar_r ases- s- .- mss.smaax;s•.sxssre.or_ UPS-"RE }{. i Lt2t DOWNST ELEVATION - 3 :57. 50 a�'F.'�'� "F �E-'r�t��!z _. 9t2T{i.R.12'ti''t CL} } ?.L3 �iEtE+"�!-! {Il�t{= �l'iE:SY •= f3' asps t• s r s e sa tvvr.ac r ter ec,stvur- r •_ j xxTRA. COMPUTED USING MEAN FLOW(CFS) :r a. a STREET FLOWDEPTH<FEETY _ . HALFSTREF_ T FLCC:aDWZDTH4FEE T t - 13.95 AVERAGE FLOW VELOCITY lFEET /SEC. } — 3. edf PRODUCT O DEPTHA VELOC I TY — 1. 5t3 STREETFLOW TRAVELTIME 4MIN> — 4.63 TCSMIN} •R 2Qt.etA e5.00 YEAR RA INFALL INTENSI < INCH/HOUR) = . EE; SOIL CLASSIFICATION IS "s-s" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT — .7509 SUBAREA AREA SACRES> 6. oet SUBAREA RUNOFF 4CFSk — 3.34 SUMMED AREA ,z 5.30 TOTAL RUNOFFSCFSk — 9. 94a END OF SUEW4REA ST REFTFLOW HYDRAULICS; DEPTHtFEET} — .51 HALFSTREET FLCtCtDWIb'tH<FrF. T 14.6=+ FLOW VELOC -ITY 4FEET /SE"C. > — 3.45 DE P TH*VELOCITY = 1.76 xiexxr. r. xxxxxxrl:•r. xxxr. •re•xxxxxxxxxxxxr. xxxxxxxxxxxxxxit•r. xi•xxi.•xxxxxxxxxxxr. x�•r. xxirr. •r. xx FLOW PROCESS FROM NODE 196.910 TO NODE 198.00 15 CODE 1 > > } > } DESIGNATE INDEPIF..NEtENT STREAM FOR CONFLUENCE f { f } } } } > AND Ct"3M P L+TE VARI CONFLUE'NCED S T PEAM VALUES < { 4 { srsasssssr.. srm »�wa- »s»aismerm.- ar_rn »s »ss= = are s.— .a• ».ssx•.r �msss.— r...azs ».sex: »�• ».ss•rr_.= s » —.s.v» .r= .s3as »s— CONFLUENCE VALUES USED FOR INDEPENDENT STRE a ARE TI CF CCivC:E ?'t kt rT I fsN ! i�# I NUT E S) � E 0.416 RAINFALL INTENSITY l ZNt`H. r'HOUP) i?:. a2l TOTAL STREAM :raREA - 1 AC.R =S} = a.3+c"1 TO T A' STREAM F; CONr• LUENc= E 9. 90 RAINFALL I :'! "; E: rat ? F i'Y f4bllt TIME Or-7 CE= tnif:E ^!l'pry } C ? ^! ? ttT is t. <St3.7 9'0 4- is STX Vf;RI CONFEUENL'EE? RUNOFF VALLIt_ ARE AS FOLLOW'S: AS FUc_:.. OWS : RZtNCtFt /, t F S;t :r ? 0 6' > ;' T I MEi{ M I Nt iT ES i :- $ t•. : 08 ssaaxreaer..r.s .sear:raer =. » _�. s._- racrr��zr ...•a== as.a ».sss.s.r...ass —. =» - -.— .z:.x_— .a.= .a. = -- .x= .v.= rr..a »Me._e »s == .xre- E N D OF RAT I ONAL MET" -fCHJ WtlfiLYSI S STREA ?'.' RtlNOIZ p T ME INT ENS I T Y ( NUMBER (CF S i S M 3". N. ? RAINFALL I :'! "; E: rat ? F i'Y f4bllt TIME Or-7 CE= tnif:E ^!l'pry } C ? ^! ? ttT is t. <St3.7 9'0 4- is STX Vf;RI CONFEUENL'EE? RUNOFF VALLIt_ ARE AS FOLLOW'S: AS FUc_:.. OWS : RZtNCtFt /, t F S;t :r ? 0 6' > ;' T I MEi{ M I Nt iT ES i :- $ t•. : 08 ssaaxreaer..r.s .sear:raer =. » _�. s._- racrr��zr ...•a== as.a ».sss.s.r...ass —. =» - -.— .z:.x_— .a.= .a. = -- .x= .v.= rr..a »Me._e »s == .xre- E N D OF RAT I ONAL MET" -fCHJ WtlfiLYSI S IE In we g po"W".09 9sco '- CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBACT !v DATE xx NO. SHEET . OF MASTER HYDROLOGY STUDY JOHN SIMS 9/26/86 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL'DRAIN LATERAL E (LINE B) * Q100 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3428 • (714) 641 -8777 -e- b y° 11 2f LINE A i u TRIBUTARY AREA TO FOOTHILL DRAIN At " 1 • ' (SUBAREAS 40, 40.1 & 40.3) 10 47 8 CURB FACE � J t! / A IH J09 f ''• .• / '•1 I ® CITY OF FONTANA PUBLIC YYORKS HYDROLOGY CN... MASTER PLAN «� L*A* • 0"8U"M""° DATE SCALE DRW. N 111 /86 N.T.S. RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM E.:cASEV ON SAN PERNAiRDINrj COUNTY (SBCC.) 1963 HYDROLOGY MANUAL MY Cooyr 196ZE Advanced Encineer Si_ ftw CAES2 Especially or-ecar for-; HALL & FOREMAN, IN <<<<<<<<O.r< I. < < If < < 1 1. 1 < < 1 < . < < . 4 < . < < 4<.o < < ) OF FOOTt-fILL DRAIN HYDRCILOGY, LINE B - LATER• _?L E & 160 NODEE 169 TO 198 AHMED SHE I MH, .7. N. 334-56, # ,f 7/66 USER SPECIFIED HYDROLOGY AND HYDPAULIC MODEL INFORM'ATION. USER SPECIFIED 5 SPE-CrFlEn MINIMUM i•IPEE SPECIFIED OF Y TO USE' FOR FRICTION 95 10—YEAR S 60-4111)'-iUTE INTEL -t SITY/lh�C. 964• 100---YE;'-1P S 60 .'INUTE 1.470 RAINFALL INTENSITY DAri-4: STORM EVEN = 1 010 1 SLOPE OF ZNITEN'SITY DLOZ.IATION CURVE 6etk"Wt HYDROLOGT* V14'4NJ4f 1_ "C " _UES LIBED < < . < < 41 < < < If el* � 1 . < . e. .� .1 . � e �' If 1 e. . Of if . 1 1 < 1 << .1 *? I? *� '? .11 :7. 1 . r. .1. .*, ". '? ;I *., '? i. '? I% '*? .1 "? "e '? ) ".1 'j *� *? j} Advaricea Eric! nev-_r-1 na Slanftwar-e f.'j4ES_? No. A0560A i RELEASE DATE: •••** i** W.. M.* *V *•x* it * -K'* 1* V.- * V-0 *if. 'K- it ** * I#.-*-K-* xRx xxxxx FLOW PROCESS FROM NODE i 70. 1 0 TO NODE iC,9.00 18 CODE a RATIONAL ME THOD ,INITIAL SU&('-4RF A ANAL Y5 'S AISSUMEED INITIAL. SU&ARIER UNIFOFr� DEivELOPMENT IS: SINGLE FAMILY 11/4 ACRE.k TC CHANGE).7*-.iF' INITIAL SUBAREA F-IOW-LENGTH 650. 4 UPSTREAM ELEVATION m # i 8.3. 10 DOWNSTREAM ELEV'ATION •= 1072. 5 ELEVATION DIFFERENCE - 10.60 SOIL CLASSIFICATION IS S2N6LE—FAMILY41/4 ACRE LOT) RUNOFF COEFFICIENT .7606 SUBAREA RUNOFF4CPSY = 6. 76 TOTAL AREASACRES) 10.00 TOTAL RtJP'O$F Ps r e6.76 * *********************************************************************** ***4t FLOW PROCESS FROM NODE 169.00 TO NODE 169.00 IS CODE .= 1 ))))) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE4<‹44 twasear.s..wassairzsrarraiumeruir VIVAILIWAVALSWAISSIIMIATINI AMMON 111Miar Malta r ANNIIMISJARAIrSTAIrWC.7214M10.11ralLINLWASMTAVAILUINZXS: . CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTESY -In 14.01 RAINFALL INTENSITY 4INCH./HOURY TOTAL STREAM AREA (ACRES) • 10.00 TOTAL STREAM RUNOFF4CFSY AT CONFLUENCE = e6.76 FLOW PROCESS FROM NODE 270.eet TO NODE 169.00 ZS CODE — ))>>>RATIONAL METHOD INITIAL SLSAREA ANALYE:S‹4‹<< ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 41/4 ACRE, TC = K CHANGE).1.r*.E' INITIAL SUBAREA FLOW•LENGTH = 1000.00 UPSTREA* ELEVATION = 1E:95.0?41 DOWNSTREAM ELEVATION = 1,27a.5o ELEVATION DIFFEKENCE = TC . 39341 r ?boo, v-ie 3 50 , it . L3. h:::943 leo.ee YEAR RAINFALL INTENSITV4INCOUR) = SOIL. CLASSIFICATION IS "A" 9INGLE—FAMsLY41/44 ACRE LO = .7624 SUBAREA RJNOFF.CFS = TOTAL. AREPOqf.:RES, = 10.00 'TcrAL A m *orn*,1***A,t FLOi4 PROCESS FRO' Nf?DE TO NO zr.rESI3Nr-TE iniDEPENDE. ››):>ANte CDMPU7E VAt..:C<US C..ONL CONFLUENCE V lAiELe Fi 14.DfNi.JET 57REC-s" AiC: TIME Ce RAINFALL INTENSY?r TOTAL STREA AREA “?CRESe = 10.C'e TOTAL STREA' p CONFLUENCE STREAM RUNOFF "TIteL INOENSFY NUMBER 4CFS. 00-r RPIN'=-ALL. INTENE1 - l?'E U. Ceil.CETIL'Q FORMJLA:SEcC? USED FO:: STEAMS. VARIOLS CON;- RUW VALUES AFL;E: AS EOMC'UTEri CON: ESTIMATES AS FOLLOchl:.: RONOFF%CFS = TIME4MiN,JTES? m 14.0:3 TOTAL AREA4ACRES, = .00 it..* *-** *** **.* * * * V. FLOW PROCESS FROM NODE 169. 00 TO NODE 170.00 IS CODE = 3 >>>>)COMPUTE PZPEFLOW TRAVELTIME THRU SUDAREA > USING C•MPUTC-ER-ESTIMATED PIPESI ZE 4NON-PPESSLUR FLf- 4 < 0 DEPTH OF FLOW I N 39. 0 INCH PI PE I S 30. JNCHES PIPEFLOW VELOCITY4FEF-T/SE•.) = 7.6 UPSTREAM NODE ELEVATION - 1EIIE.50 DoWNSTREAN NO ELEVATION - FLOWLENGTH4FEET) - 1 RWIt. 00 M44N"�NOS N .013 ESTZKATED PIPE DIAMETEP4ZNCH) 39.00 !ti Umrk-!:: ' OF PIPES PIPEFLOW THRU SUBAREAiCSS) = 5 3. isa TRAVEL TZME4MIN.Y - el TC (MIN. Y 14, a,:-! FLOW PROCESS FROM NODE 1742"t.00 TO NODE 170. 1" 1 S crjr(E >>)>)DESIGNATE INDEPENDENT STREAM FOP CONFLUffN' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i A- 7 . , E; TIME OF - 2•4.;2.i RAZNFALL INTENSZTY 'ZNCH./Hf1UR) 33. 49- TOTAL ST RE- 04m AQE /PCREB) -- e2t. 0 TO At- STREAM RONOFF 4CFS) AT CONM — Sts. IS I A** it*** -*v. -1F.1-X--V.-*--*4t-K'***'N'* it* -* FLOW PPOCESS FRO NODE 170. 3e 70 NIGDE :S C0.1 = Z' Ri:.%f T 1 OYItAi.. mErHO& I. NI T I AL 8 ' RE P AN'• Y S .__. 15 < AS'SUPIELf TC ZNITIA SuEcA? P DOWN'STRE-AM I ELEVATION DIFFERENCE T — . 3 5+3 * f 404 0. 00 io "-:t 4?1 I •f.- -rt- 7 - 7 lee. 00 YEAKI . , -- N , , :' 9011. CL.ASEBIFIC-PTION IS "A" ACRE 4 -0 7 .*? TOTAL Z 744-:- * it iv -et. -I" - 0. 1 *il. it* •W. •0. if •Y' if-w-t FLOW J: PROM NODE TO N-0iDE 1*po.t0 - `3 .. .. ..................... - ) > > > > DESZfINATE INDEPENDENT STRIEAM FOR C-0 , -�LUENI-�Z -;' -' < . ' CONFLUENCE VALUES USED FOf'' INDEF-"ENDE ' 7 STK'Ej- Z' A' T x ?rE OF CONIC-ENT *1 T I O'.; i" M 1 J"i` 5 RPXNFALL. IN"," E N S I 7Y TOTAL STREig';M AREP 4 C1 Ti STR';:- *-Ptlif..-io...io..-Kli*-Kli-itl*41 It. *-K itit.• 4 F"Gw PROCESS FROM NODI� 7 '4 4-. S C METHOD INITIAL SLIBARE• DEVELOPMENT IS: SI FAMI 41/4 ACRE) TO — f C SLENGT! **3? t 4ELEVATION CHANGE} 3'k *. i IN SUBAREA FLOW— LENGTH — 900. UPSTREAM! ELEVATION — 1i' &4, 00 DOWNSTREAM ELEVATION — t '7 :. Ott: ELEVATION D IFFERENCE — #e.00 TO _ .393-C( t::.:. 6cot 3*• *•.. s: = 14. 100.00 YEAR RAINFALL INTENSITY!ZrtCH,'! -OUR} _ 3.498 SOIL CLASSIFICATION IS "All SINSLE— FANZLY41 /4 ACRE LOT RUNOFF COEFFICIENT == .7601 SUBA RUNOS=F4CFS> = 3.I9 TOTAL AREA 4 ACRES x — i . ab TOTAL AL R tN OPF I CF S) 3.1 u••�e•u♦►.•+tr. *•r. *•r. *•r. aeat*•itie•�ear•r. *•r. •r. *• it*• ie•; a*• ic*• at*•*•*•*•*•*• ir*•• a�*•*•*•*• v*•*•*•*• �r•>t•• ir*•*•* •*• *• *� *••r.••rt•r.• *• *••+!••r. *• *• *•�r••K *••r.•ir•�r FLOW PROCESS FROM NODE 1 70. 00 TO NODE 1 I S CODE tDE p } } } > DESIGNATE INDEPENDENT STREPI FOR t_ON OUE•NCE d . . , 4 ) }) } > AND COMPUTE VARIOUS C.;ON LLtr.:NS: ED JRS«asA•ir === arxw"sas .serssrisC =.asT TSTS AS iTSSC t.a3r=r.tS= === =—==== � ir.T.•.'.•trsrC:rt.:: .:rCt'T� it � SS.a ass � � :r CONFLUENCE VALUES USED FOR INDEPENDENT S ?'FrTAX 3 TIME OF CONc':ENTRATION4 = 1 0.15 RAI N FALL. I NTENSITY 4 I NL H . r HOUR> 3.. Sell TOTAL STREAM AREA 4AC REST = 1.20 TOTAL STRE RUtvO F ICPS % PT CONSLt.lEhtCE. -- 3.19 _.. l y CONFLUENCE I NF tR MPT I ON : c. —:rr �sc:rrc.arsta. -.r:•. �ccr::.rrrr er. -:. -•: rr.=�.r: sr :: :r :r.».r. STREAMS RU NOFF T IME I N T ENS 2 0 s; NUMBER 4CFS i 4M N. X 4 INCH rH0U y 3 53.61 lh. L.{ 31 466 a. 41 18.77 i_. 952 FLOWLF.NG T H 4 FEET ? _ 1 70. 00 M� �>vn::.:N6 i N 4 Sr`_•0 x USED FOR 3 STREAMS. VARIOUS C{_f'v. "'` L _fEnr{ RLtrrO P Vi'4 ... tJ= f:S A- - Arai COM3PU7*E.} f•ON LUEtkCE ESTIMATES ARE AS F";_ +:._.._OIG: RLtrr(: +s- F 4 C_ F- S ' 1 • -• 56.62 S mC_ 4 % _ Nu L_ ! _ • . L_:_ i!• M� li4*'ifi!•Mi�'i►'M'M;C' *'1!•�it i!•• M.•*• iFN.•*'*'• 1!• 1!•• It*• M' 1►' M.• it4:'• iti►•)!• i2• M.• i!1t•tF * •Y.••N`A�it'i.' it •M •K. i1..N..I.V Y{.•M' it i�. *.•N. •i�. }.•PI. , M. •il .N. FUDW PROCESS FROM NO 270.00 TO mODE l7a.40 15 COD COMPUTER P_PESI Z. ^. 4''i{_f: r' „_.) 3. f'._. . __. x,`r , *' •1► i! *• iRit M *• i! •Y.• i! i•;! it if• i!• *� i! *• i! •M *• iF i! it *• it• tiF *• i► *• •/!� i!� 4!• s► ZF *� it� f• •it. it •it :A..i+..R .p! .R. K..N •11.M. i4..A..i!..M. •y<..A..K..1!� •it •M � •.t •N it� i!• Y.• * iY• a( •M.� *� if �A �'Yt FLOW PROCESS F50 NODE 172.40 7D NDDZ l7z.ka is CO = '1) >)) DE:}3 E !mDEP r s REAV PC., r.: sssia x.sac�..:..=.s.a�• �.sacasr r. � s a: snx.:.r_ = .aar =.-.= .� -- ..'..a.:�..� •.x:a.z:.c � n.: _.._'.� a :.- �: c = a:r.: -.- _::.: -�.:� �:: �.._ :a.::�:..:.c::= : ��.- •_.:_.r= :- : . c. —:rr �sc:rrc.arsta. -.r:•. �ccr::.rrrr er. -:. -•: rr.=�.r: sr :: :r :r.».r. �.- `:r.- r:r=- •.�___..._.r.s: _: �.�._:.. ._._. ...._....._. ... _:.."_ <._.. =c: :_= .._... .-: .. »_._r r —_ =... DEPTH O f : F L OW IN' 30.43 13Yc •' pi ps :i ,'_•; 2a.5 PIP F'LS_ ;iN VELOC!TV4FEET/SEC.A _• .•s. y UPSTREAM NODE ELEVATION w 1070-00 DOWN NODE E;_EVA>•tt=N — 1566,&� FLOWLF.NG T H 4 FEET ? _ 1 70. 00 M� �>vn::.:N6 i N ESTIMATED ATED PIPE D3f= MIT R . I C_: —. i 31,00 NU OF P.-.-.__O PI3 EFLOW THPU 1 1 *1 6. t'.r TRAVE TIMtr`4MZN,x QZ 7 C4w:N.A ._ -'s.4._ *' •1► i! *• iRit M *• i! •Y.• i! i•;! it if• i!• *� i! *• i! •M *• iF i! it *• it• tiF *• i► *• •/!� i!� 4!• s► ZF *� it� f• •it. it •it :A..i+..R .p! .R. K..N •11.M. i4..A..i!..M. •y<..A..K..1!� •it •M � •.t •N it� i!• Y.• * iY• a( •M.� *� if �A �'Yt FLOW PROCESS F50 NODE 172.40 7D NDDZ l7z.ka is CO = '1) >)) DE:}3 E !mDEP r s REAV PC., r.: sssia x.sac�..:..=.s.a�• �.sacasr r. � s a: snx.:.r_ = .aar =.-.= .� -- ..'..a.:�..� •.x:a.z:.c � n.: _.._'.� a :.- �: c = a:r.: -.- _::.: -�.:� �:: �.._ :a.::�:..:.c::= : ��.- •_.:_.r= :- : . RAINFALL INTENSITY t Ii+tCH. !t-OUR} — 3 .46 TOTAL. STREAM AREA (ACRES> — Ea. 30 TOTAL STREAM !?UNOFF 4C S ) AT CONFLUENCE LUElti CE — 58, t : �kK�rieik+t�k�tar.+��ikikikr.w k ieiraik it�eikrie• irit• ieititikie• ikitik ikitik K�ir+t+r+r+e+e n+t+rn w**+e4t %.*.n..n..X.* FLOW PROCESS FROM NODE 17 3s. 1 Q3 TO NODE 17a. 40 IS CODE 4 L } } } } } RATIONAL METHOD t tC3D I N I T I A SUBAREA ataysseax�aes sema�saaarmm •.r »a�snaaa ».aesaassra s ».aaaaaas ».a arrr-. r:. r.. aasssaaa .:m.�•aer »amsr: »s::e =smasa � � —u se xm.s ASSUME I N I TI A L SUBAREA UN I FORM DEVELOPMENT IS: SINGLE FAMILY t I /.4 ACRE y 7't: _ !{�• f <LEt�t£ Thtr. ic3 } r' l ELf�' +. +s�T I E�:•t C!•ft�htCtE } 3 +`+�.. =: INITIAL SUBAREA FLOW-LENGTH H = 950. P00 t+PSTREA.." ELEVATION � 12:176. 00 DOWNST rM ELE 1. AT I ON = 1 2. 5;2+ ELEVATION DIFFERENCE = 7.4k': TC — . 393ik C d 7.. IS Ql j sink. % ... :: t_.. 05 idS. 1 00.0+a YEAR RAINFALL It< tTE= ri:�I�i��Intt= !- i't- it3Lti�:S = 3.:?•4L SOIL CLASSIFICATION Z _q "A" SINGLE — FAMILY S 1 .' k ACRE LOT R; NCIFF .753Q. SUBAREA RUNOFF : CF5 r s 11. 96 TOTAL AREA 4 A CRESY f!. Aq'h ! i_t ' "AL *.***.*.K6** ik ik ik ik ik M.• iF R• ik iI!• *V* **A-* it i! ik ik i!•it i!• ik ik u' * it ik * ikk •k r. ik it ik it iv. it ik * it it ik ik• ik •n• •r it i!• * ik i! ik it it # itiPit M it ik iS• it FLOW PROCESS FRO?r' NODE 1 E. 4'' TO t• CeD E CODE — -• s } } } } } VE ZCP;A T E ZNDEPFNIDE^ +'. STREAM FC= +F: eras =iW.=.v =_ » = = =» = =s. a =—=. ».• = =.=z = =__a ».xw==x « ».-- =— .=. == = = == ==_s .= —====. -a= =.a_.a» s._ _ == CONFLUENCE VALL. S USED J=• OF. .. T PE- ► iXFi: T IME DF i E�#•ti�:f r•t "rF�! -� T .If ?ta : MIi�� +�E�� � = w :6. 0 RAINFALL INTE NSITY / I?titC:` `:`{Ct�t�' � .S, i:'`e TOTAL STtREA.'�l %s6?s. A {s 5) — .c,. 9 TOTAL STPEA of ► fkik• itiik�!•ik itik ikv.• i! i►.• it iw ik•r.• ir• it i.• irirx• ik iw i.• i! i!;t ie i,• ie• it i< •r i!• it i! •a• ie•;!• ik ik e ;!• .� ,! •n •e• ik •r•;!' ik i! .w ;k •M *• •r! •K •n• it it ;! i! ik it r. .n..n , ..r..ik it •x FLOW PROCESS Fh C_< r f. NO i7a. le — 0 - nit ?i+ ..ti cc?D;,. } - : } } RAT IOrW - -L. ME T t• EtE? 1 r4X "I A 8LPBf S' =i:y f Ni4 Y%;: r < If If i .:F.a.'lY�t.CS =.:a.�.�� SS. �:._ �.GS'�..SS.:Y.'«3S..r .�...'.�..:.:.:.5..::.T.::.::. � :'.C.T �:.� �-. :.::'.�:.�.Sn. �'�:..� .: :': -: c_ � ..� �•.r::.:::. = '— S.�:C:_:.:: =.r �':.� = 5.— =. —.:- P L S: L!M t , 1 :N I -` ZAL_ it Lfr t E Ct�..• >f� `.V.�..i_ «i�• .i:s: �S.'.r•tiLL_ FAMILY Ti. !d► C <LEt•1's r y.2.'r, {CLk�.'�ts If3�: :. �!s Jc =i i _t rr.. Ir�i "� I - r;.. St ?�tfsREs =, F_. C: ?t•:- ...L��r•:ti'T'i -! •° 3k"'tb���.. ��:' UP —STREAM ELE4'ATIOnj -- 1 > "_83. CIO FYt= ttn► ?+tS �'FtE_¢str Et_EVA ION,• -- 3�:r �s ��q ELEVATION DIFFERENCE 3ss.'�ty 393* £. 1 k'401 0t. 400ie•ik31 i . % 3 •=S• �iti'r i 3 ie•it ._ .:.. 14. s 042t YEAR i+`:AIrKFALL. .iN ?`iri ;�;C:L` • {HOL! "; 3 l rliL'ti_G — Fi�tyslLY <1 .sj tC_h:w .>> �:i -�4i ? %'_� =.�? ..i.::_i'• - �'` ?�=t�, SUBAREA RUNOFF TOTAL AL AF+ER Lf-r RES r 4, . ::i?'f � h:;= ^:�t� .. , i _ _ c . 65 f � i!•Ik ik•Y.•ikitik•Wik ikik# k(•V-- "- *it•Y,•il•i!it•Rit* ik ieit;t•n;!•iti!•ifi•Fl•n•7l ik• n• r. iki! i4i! i!• F: it• niC•,f ia• rr• A.; .! **.W.Viv.1 -- *-x -e -if It FLOW PROCESS FRO-in? ! DE �'i:. eta .._� L • •1.: Li,� s i •i v .. �'i CQD — s > }Dt:<Isit•:P• F s^:Lri= C'ErqirE: cTFcEt= ri:. R C. Lt: h. t�: • COMPUTE IVf-)t+ I C. U = C :Cr�iF..t.lE �+s_ � �► � F�� 4 t'^ 1 .'S- ):..i. : `_i . »:exmsa ».aar » »a.r. r. s »c= rc— sa.asra•.•aas+a rramrraarr st.r. ataar.a_- »•.sr rs sa esa: .s.a• =c-ac c: .- :_.r.. -•e. rr :: _ _ :_:s X: CONFLUENCE VALUES USED FOR INDEPENDENT DE_'NT S i P -ZAt 3 ARE: TOTAL STREAM AREA (ACRES) 5. 30 TOTAL-STREAM RUNOFF(CFSY AT CONFLUENCE 13.65 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER 4CPS) 4MZN.) 4INCH/H0UR) --------------------------------------------------------------------- 1 518. 60� 1-4.43 :3. 4 5 7 11.96 16.05 3. ia4e 13. 85 14.51 3.4 RAINFALL INTENSITY A-W) TIME OF CONCENTRATION Ri- FORMULA(S&C) USED FOR 3 STREAMS. VARIOUS WNFLUENCED RUNOFF VALUES ARE AS FOLLOWS; 83.15 79. 96 63.08 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) - 83. 15 TIME (MI NUTES) 1 4. 4 Ze- TOTAL AREA4ACPEBY • se. 54CN FLOW PROCESS FRO," NODE 1 7 72'. -40 TO NODE 17.1.00 IS CODE = 3 )>)>>COMPUTE PZPFFLOW TRAVEL TIME THRU ) Y > >USING COMP LITER -ES TIMATED PIP PSI ZE (NON -PRESEiuPRE FLO) I of ti DEPTH Dic FLOW IN 45.0 INCH PIPE IS 36. ?a In4'CHE-AS PZPEFLOW VFLOC ITV t,'FEET/SEC. Y — a, AS UPSTREAM NODE E. — 1 a,68. 50 DOWNSTREAt4 NODE ELEVATION 1;2?68,040t FLOWLENGTH (FEE — 100. 04-It tfANN.1NfiS he ESTIMATED PIPE DIAMETFR'INCHY z 455.4 tits. M&ER OF PIPES PIFIE!=LDW = 63. i ti TRAVEL 7 C /, pt 1: N. Y = 1 = s. E it it if.'* FLOW PROCESS FROM NOt-DE 17a - :0j n?QrfE: 3 - 7a, 00 ! S C*QL;.-'-' STREPM FOR CONFLUENCE VALUES USE 1t FOR TIME Oj= RAINFALL INTENSIT'Y 4INCH./HOURJ? G 3. .4.-;t TOTAL STREArn AMEA i•CRESY - 3;F.I. 1 542t TOTAL Slf"REAP? A = .. mot FLOW PROCESS FRO0 NODE 17 Z-:k E-0 T Q N C D E 3 7 . •4 ti S t 0 Er E RAT I OVAL M " 0 -D 1 N� 1 1 A L S i J P A -E A A N'J� "v 5 S ASSUMED INITIAL 5WPAREA DEVELOPMEr 15 CD!y!-tE Ti: INITIAL SUBAREA F*i-,r-kvJ--LENGT'H 100-0.00 UPSTREAM ELEVATTO?'l I ELEVATION DIFFEREeqCE s a :ltFj Ti: — . 3 42t * E ! i 0 2 . 00 8 10 0. 80 Y E A --., P A .1 r -.1 F 0 4 i. -1. - 1 i E tu-5 I N . H 0 L ".. R. 67 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RJNOFF COSFFXC:EN; 3333Z **4t A 4•«• se. e«,e«r«« «,r« «•x«arse«.rse.rsr«« s�« rsr. r* A. *«•i!•«ffl- **+rn.r+rw « ««« «+r «�! +! rye FLOW PROCESS FROM NODE 173. TO l+tODE 1 . fj r I S CODE _: ))) })COMPUTE STREETFLOW TRAM. +ELT IME THRLt SUE- tAREf < < < < < asrmvaessmssaeas.: - -- arse. srs m ass.- srsrasersrar+ mans. �arsessassasarasaas+ ems• ar.. asamss. �. �Mesmasss ..asras•.•saass•a•.s.c= UPSTREAM ELEVATION 1 73. 56 DOWNSTREAM ELEVATZON •_ I e6s. +ti'ItO STREET LENayTH ( FEET) _ 750. 04 CURD HE I G T H ( I NCHES) _- 6. STREET MALFWZ DTH l FEE T) — e6.00 STREET 99'ECIFIED NUMBER OF t-ALFSTRECTS CARRYING R;.lNOFF 3 %*TRAVELTIME COMPUTED USING MEAN FLCtwt <CF } 5. ;_t STREET FLOWDEPTtt .6:1 HALFSTREE; FLOO!l_WZDTH4FEET) _ 19.63 AVVRAOE FLOW VELOCITY T Y FEETISEC. } = 3. 1.s PROa)Lt!='•'t OF DEPT!• &VELOC.Z T Y — 1.97 STREETFLCW TRAVELTIME <MIN) — 3. 93 Tc,.(M.T v _. 36.43 100.&D Ys':f ;P RAI?4!` ALL SOIL CLASSIFICATION IS "A" SZNGLE— FAMILY 4 /4 ACRE L RUNOFF .75: SUBAREA f-iRE A / ACRES) = 1. ee SU84PEA RUNOFF ! C S) e. 88 SUMMED AREA4ACRES) = 5.60 TC {TAL RLN0Ft F <t F-;.'r — Icl. 7�y END OF St SAREA ST REE FF= s_CsW HYDRAULICS.- DEPTH4FEET) : .64 HALFSTREET FLi.+t_DWIs"i.TH4FEE - ;') • ii:0.36 FL04.1 VELOCI's Y < FEET/ Sf:C. ) S 3.a3 -- y:. &a;' •rrr. «•i►irx�«••r«•«• «;e�•ir.•r. r. ►. ir.•r. r. r. «•r. r ir•r. s«•r. �•«•«•i^Jr. r. «•r�t•�i•s•r. tr. �► t�•w.• «•�. � •sr• *•r.• *� �••r. �+ •r «•�►•;r. �•�.•rt•ie• -rr. rye•it•►•� FLOW FR'OCE: SS FROM NC.'?I] c. 1"72. TO NOD 17 1. 00 I z3 !+::"lF)E = ., }) } } DES I f_iNA T E I NDE _=?, r : :,�t T 9TREAM FOR C.OPI :: LUENCE= of . < - -- - sms•�rm:a= aeaasusaa:.r: a•s.armrac+•aza »rt» c— :rasrrcxc:s »xa•:r- r »r- .ar.cr s.rrr. a•.- .•e.r. r.•��. -- -r arc. —err.. —.—e: s. -.=_r s.as__. —ear r:_ CON LUENCf_: WALL tE S US..; -fir FtjR a 14za :: TIME OF C ONCE N' r Rya's I tsr�t S � s t�iLtT E h .'r r 1 . $ 3 RAI N! = A -L I NT••E.N S `S` <INf R) _ 3.a 0 TOTAL STREAM AREA 4As=.:FES.} = 5.60 TO T AL 5 3 RE!-7� rs{ kFU; t r-. e: ! �: ^' h'i i Al C:s tl4 ° !_: {r fit{ :� . -- .1. !w« r'4_= ter.►irr*.P6 ►s i►r.sirr!rr�•r ri.rr;er �rrr.rvrr r. vr�+• x•« xr.« t; errr, rw�► yP.• r..- Y.. •r.VL ;rrr.rrrt+� >xr.rr;�rr1►r+�• FLOW P ROCES S F'{"S "t.r> 17 00 3 S {.i.I: >.l+ ) ) ) RAT i !_thlf S:_. !'':`E ^• O.. I N 1 "t I Ai - -90f 4REA I S e . I . . . msr. srmesszsrr rs ccr.»: ``c r._ aacc :z:ess•r..rr�s »srt.es•.ar:a: TO I N ! I AL Ll �ftip: =li F;_ f+:—: '`�i4i_<Tp• _.. tZ�t<; 'y~; UP ST Rf_= AM ELEVATI -- : i:. Sit. 5 %42? DOWNSTREAM ELEVATION' i aS;i7 . 0c. ELE +JF ;T ION DIF=FERE NC E — 16. `Fist'! T C a . 303* [ 4 5 =T 100.00 YEAF{ RAJ NFs - -'n_L SCUt ; CLAS S I F T CAT l ON I "A C#= t�*t�E Rfr I �tL £►EVES t- •,. E - ' F<: � c; � C t :�t_ �: x= :� t.' F= . t.3Il ® St F&PRER Rt +NOF F ! f::+= S T0 S =l.. AMEA ! AC f_. '> `y.. SZ. ♦!rr� r.rx rr r ra► rr.so- VILif per. •rt -W r P.. i t. ;rvte rt�rrrrr� •r.r. «•; n r�i►� t• ;.r► ra +�;� +r FLOW PROCE SS-` FPOre> NODE 3 r 3o V-) ril?L}_':. _ 1 7 1.00 , J F. S_ o.V_ ) ) ) ) ) COMPUTE STFtEE'F FLOW T Rs- VEL S I MI E: Ts-4RJ e* i < STREET LENGTH WEFT) - 1000.00 CURB HEZ8TH(ZNCHES) tt- STREET H•LFWIDTH'*FKET) - X6.00 STREET SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF a I 4 COMPUTED USING MEAN FL STREET FLOWDEPTH4FEET) - .&F HALFSTREET FLOODWIDTIHtFEETk - is. 63 AVERAGE FLOW VELOC-ITY/FEET/SEC. ) - 4.59 PRODUCT OF DEPTH4100'ELOCITY - e. ISS STREETFLOW TRA-VELTIME4MZNY 63 TC041NY - 100.06 YEAR RAINFALL INTENSITY" INCH/HCSWP - 3.650 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT « .632-61 SUBAREA AREA 4ACRESY 1. 60 SUBAREA RUNOPF4CFS) - Ai. eel SUMMED AREAlACRE:SY 6.90 TOTAL RUNOFFP.ZFSY = ej#. 4 END OF SU&AREn STREETFLOW HYDRAULICS: DEPTH 4FEETY - .64 HALFSTREET FLOODWIDTH/FEET) - ae--. 36 FLOW VELOC, 1 TY 4 FEET/ SEC.. Jr - -4.7 DEPTH*VELOCITY Li. 03 ***4t*-**** * 4t* **** ** 40..* ** * -K-** *r* * * 4R * *4v.-4t-**4kl4* * * V. iv* FLOW PROCESS FROM NODE .1 7 7 1 1. 0(4 TO NODE » 7 1. e� 1 S CODE = I Y)))) DESIGNATE ZN.DEPEN'DENT STREAM FOP CONFLUENC -f-f - f ) AND COMPUTE VARIOLtis CONFLUENCED STRE.Ar� VALUES efti 0. ec' CONFLUENCE VALUES tJ:13E!:r Fi. R'Er- 3 ;- TIME OF PP4XNFALL INTENSITY 4 INCH. /HOURY 3. 165 TOTAL STREAM AREA 4ACRES) = IS. 9A TOT?- STREAM PUNOFF%CFE,-'r AT .4 Q I CONFLUENCE INFORMATION: STPEA!" Pt!' PO;: S'1 t"IE I ? q T E, . -Y NU►yfBE R CF S.'� MIN.) 3. 430 iR 4. -4 1 :3. i's PAINriki-L FORMULA"ZiBC) USFD Fr&zil Z� COMB- C fJEr ES T I rn 1: 51 Ai E f4 Ir, cc f-14, TOTAi.. Af Ej74 1 :5. 4 *.K. it it is ". kl it V* -W it * •10.• it it it # * K. * it it is it • • it * • it 4t• it -W *• * it is it * it A. it.• it it it it -ft. * * -W, •0 -W.- * W.• 40.- *- W.• -m- it ".. • it •• it * it +f. .10, K. rt F PROCESS FROM NODE 1 171.02 1 ',;'0 NODE jl-E+7,001 -'-"B 13 x>.* .'!)COMPUTE PIPEFLOW TRAklELlME' ).le ) ) >USING -f DE OF FLOW 1 -1 -46. 0 INC PIP FLOW VELOCITY 4FEET/SEC, U;:,ST P . EF 4r# t DOWNSTREA-fl NODE ELEVAT.10, = 2 :?if•2 5424 PLOWLENG - 760. ito MAI-JNI NCI S N ESTIMATED DIAMETER/ INC- 46k. 00 OF PIPEFLOW TH *U i-: :! 04 TRAVEL TIME-fMX, 2a Te M 1 1. 3i 5 FLOW PROCESS FROM NODE 197.10 TO NODE 197. 00 IS CODE -------------------------------------------------------------------------------- >>Y)> ADD ZTZON OF SUBAREA TO MAINLINE PEA• FLOW4<<<4 1".00 YEAR RAINFALL. ZNTENSZTY(INCH/H0URY 3.L81 SOIL CLASSIFICATION IS "All SZNt3LE-Fr4MZLY(a.5-ACRE LOT) RUNOFF COEFFICIENT - .6774 SULW AREA (AC RES) 3. 50 SUEti:YREA RLJ?%JOPFr1r_FSY = 7. 76 TOTAL AREA4ACRES) - 46.50 TOTAL RUNOFF4�FS) = Iii:!A9.78 TC4MINY - 15.7.4 FLOW PROCESS FROM NODE 197.00 TO NODE 198.042t IS CODE -------------------------------------------------------------------------------------- >>>>>Ct PIPEFLOW TRA%, THRU SUBAREA <44'44 )>)>)USIN& COM•UTER-ESTIMATED PIPESIZE FLI-It4t) e"440.1 DEPTH OF FLOW IN 48'.0 INCH PIPE-' 19 34.3 INCHE.S PZPEFLOW i6-'ELOC::TY/FEET/SEC.Y - 15.3 UPSTREAM NODE ELEDor'ATION - 12*6.1.50- DOWNSTRE NODE ELEVATION = 1257.50 FLOWLENGTH,%FE T) =- Ri h.) M NINGS N . 01 3 ez 2% c I AN, - ESTIMATED PIPE VXAMETER(1NC�-) df�. Ole NUMBER OF PIPES I PIPEFLOW •HRU 5 RUBA?*.'Ef:Y1.'CFSY 1E-6 1 5 TRAVEt- T1Mf_-'4MZN. Y - es 7c / M I N. ) - :,. 5. 99 *IV* M 4 **V..** ** * w"1_w.1* FLOW ;•-RCJC.ESS FROM NODE 1961. 00 TO rl.'Cjt'�E 1 4 __fEt. o'e, - ILN' DESXGNATE INDEi ST:;.�EAM FOR CONX:'LLfENf_:E 4 USED FOR INDE NfiENT STREAI TIME-.' 0;= i5.99 PAXNFALL INTEN /INCH./HOUR) r. 3. a S TOTAL STREAM %ACRES.? = .141c9t. 5 WY TO'ri RUI► AT C-ONILUEN-CE 1 76 .9 w.• if, - 0. A. • p.. it it It it it it _K it .0. V. It + OR •01 •o. - A , FLOW r-'ROCESS F MODE 98. ; TO rtitl� I 'E '3 C CZ E ;F . .. ....... IS.- CONDE'r0l:i I'll UM, TC ZNITIAw UPSTREPP's FLEVATICV oQ_- DOWN-STPEAm ELEVr-jT!Cr = I EIF:17. LO ELEVA' .- ION DIFFERENCE • 6 >= 355t* f 004. 004e.*_? El. t 44 7 100.Oe YEAR RAINFAI-L I NTErv-S %1 11 114 17 " SOIL CLASS I F ICATI f I'S "A" CONDOMINIUM DEVELOPmE-, "V SUSARE'A RUNOFFi CF' SY TOTAL AREA4ACRESJ? .3. 0 7 �_j 44., f.. Fk_OW PROCESS FRO?l NODE 1L96.aQ� 7*0 NODE 196.00 -5 C'01:(_;� F, .. ................. .. STREETFL-OW THRU SU&AREP-ff-f<-' STREET LENGTH ( FEET } " 900. 40t@s CURD HE I BTH ( I NCHE3) — S. STREET t-ALFWIDTH4FEET) a 3a.00 STREET CR SSFALL 4D C:IMAL) SPECIFIED NUf4&8S: OF t-tgtLFSTRsT_ CARRYI RUNCSFf= •- 1 +.xTRAVELTIME COMPUTED USING MF_i-N FLOW4CFS) 10.79 STREET FLOWDEPTH — .5: t-ALFSTPEET FLOOE'WIDTH4FEET) — 15. 361 AVERAGE FLOW VELOCI TY i f EET,f SEC. ) — 3. 5 4 i>ROSDUCT OF DEt •THAVELO Z TY — 1.65 STREETFLOW TRAVELTIMEtMINY = .4. e2i TC %mlpq) _= 19.615 100.00 YEAR RAZNFALL IN T ENSI TY ( Ihts_D-t }t-tOUR) •-- E'.869 SOIL CLASSI IS "fit CONDOMINIUM DEVELOPMENT RUNOFF t_•OEFFZC:ICNT Y SUBAREA AREA ACRES) _ ::. spa's BUSAPEA RUNOFF 4.4-4 SUMMED AREA (ACRES.? 5.30 TOTAL RUNOFF (C:FSY 13, 12" 2 END OF SUBAREA STREE: TF'LOW HYDRAL)L I CS .- DEPTH1FEET) — .56 HALFSTREE:T FLOODWZi — , H4FE_._ .') 16.77 FLOW V'ELOCZTY (FE:ET/6 — 3.6i2 DEPTH* 's` = E. izt:_: xxxxxxxxxxxxxr. xxr. xxst•iexsxxxxxxxr. xxr. xxxxr. •r.•xxx �►•t•ir.•r. •M•tR•r. �•ir.•�►� r�•r. r. •r. �•x•►x•r. +e•�r. r. wfi�rr. •xxt••s"• FLOW PROCESS FROM NODE 196. TO NOViF 196. ee IS CO i r< 1 } } } } ) DES lt�hts�iTE INf)F_6 NDEht ST REi =tM FOR CON. Lt3E:?gfu: : t ? } })) {31vY3 COMPJTE 4'ARIOUS CONFLUENCED STREAM sears. arsra rsrsx. —. sus r s.-. s.-. s. sx=. ssa. r.: rr. s= acsmr.=>.�.:.— .:z— ram�:ses =. =: s.__=_.—.=.== s.�•.a= .r.= s_rs.�:..assr.. =_• CONFLUENCE VALUES USED FOR INDEPENDEni'r S f:'EA`s 2- ARE TIME OF RAINFALL INTENSITY S 1NCH. ,'HOUR) L. S7 TOTAL STREA. M. 4YREA 1ACRE15) = S. 3 TO STRECOn RLtltiti=et• AT CO-NFLUENi::�L CONF LUENCE STRE Rt thems's=F TIME I tit TE ^: � 1TV NUM i:_ !i"t.,..'i 0^= t.:t.S!'Vt �F_'`l - i't,i•t" i 'r�i 3+:�?T.:LS FORlysttLfs SRC:) USED FO!* STREAtrS. VARIOUS Ag.E rv.� ..39..3c. .._ti. r;w COMtPUTE'L't RUNOFF= 'C:FSa 36 TIME: �t%INUTE�:- - > 5. TOTFts_ f K _4 "t : ! )i Fri I — 5 . 60 rr_.�asrsw ar. _ - __:<__. _. _.. .._..z z�.m_- ___._,..«. _. .._.._ �___._......- r. r.: a•::: x:. r:: n�: s. v:.�.— c.= _.— .= _:.— •:_.�s<a -r• —• E t« R'A .t ttt`ti L ME t H y h err poveo#� �`�o CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 im h 9 er pftewAo-ep 996 CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SMECT by DATE NO. SHEET OF MASTER HYDROLOGY STUDY 106 JOHN SIMS 9/26/86 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LATERAL G (LINE B) H C * Q 10 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641.8777 �iti�aa. Riai' iCSJia�71i 'iSaaJtaiiaiJ..�iaailA'iiTS: sib .� =.7.iai=ifaaai�SOaiiffiSaisCaiV Si.�aC.YS.SS.i'aS3TS.SC.S.3' RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY {SRC) 1983 HYDROLOGY MANUAL is�a +iasaasisa�i :ai :asass.s�.saaaa saasuraissraaiwara ssn gramasas+. araassrsss =aerasaas=a•.assaarasssssasar 4C! Copyr -i ght f 98i Advanced Enai never - i ng Software CAESJ Especially prepared for; HALL & FOREMAN, INC. ** ** ** ** **DESCRZPTION OF RESULTS + e+ rK�eie+ ereu�t�e�eatx+ c�eirxx�r+ ra+ rie�eieat�srrk K�tirirw•�r�rrririr�ruu+e * FOOTHILL DRAIN HYDROLOGY, LINE R — LATERAL G * a le NODE 130.1 TO NODE 1 +t * AHMED SHEIKH, J. N. 3366, 1,-- /7 /El6 --------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION.- USER SPECIFIED STORM E VENT { YEAR! 10.00 SPECIFIED MINIMUM F'IL'E SZIE { ZNCH! 28. 00 SPECIFIED PERCENT OF SRADIENTSIMCIMAL! TO USE FOP F'RICTZON SLOPE — .95 10 —YEAR STORM 68— MINUTE ZNTENSZTY{ZNCH /HOUR! .980 24M—YEAR STORM 60— MINUTE INTENSITY{ZNCH /HOUR. 2.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT — 10.00 2 —HOUR INTENSITY {INCH /HDUR. _ .3es98 SLOPE OF INTENSITY DURATION CURVE _ .6000 SBC HYDROLOGY MANUAL "C "— VALUES USED Advanced Enssi nevi nu_ Softw-lr-e Col - ES.3 SERIAL No. A0580A REV. 3. 3 RELEASE DATE: 5:`02 r'B5 * * *r. ** ****•* **** * * *• * * ** ** * ** * * * * * * * * * * * *•* ************ * * * **• **•* * *•* * * ** * *•*• * * * * *•*• FLOW PROCESS FROM NODE 130.10 TO NODE 130. 10 IS CODE = .=: }!!!!RATIONAL ME THO D INITIAL SUBAREA ANALYSIS sasssaasas =sisasaaaraaaeaa WAWARMses =S.WAW==.+ess as = =a.sarraa = =x =.au=.s.•GSar = =.=s .ur. =.raaasa.Aw=m%w=a ® ASSUMED INITIAL SUBAREA UNIFORM ( DEVELOPMENT IS: SINGLE FAMILY i #/.4 FtCPE} l TC — X*C <LENGTH* *3! / {ELEVATION CHANGE! 3**. INITIAL SUBAREA FLOW - -LENGTH — 780.00 UPSTREAM ELEVATION A 1 i 35. 50 DOWNST ELEVATION — 2 lc-: 16. 00 ELEVATION DIFFERENCE a 19.50 TC . 393 *L { 750. 00 * *3! / { f 9. Sit! ]* *. iR SINGLE -FAMZLY (2 /4 ACRE LOT) RUNOFF COEFFICIENT - .7304 SUBAREA RUNDFF ( CFS) S. 7:' TOTAL AREA ( ACRES) a 3.5 TOTAL RUNOFF ( CFS) - 6.7a �! �! �! �!• �l 1F �! K• 1! �! K• K• iF1t�l 1t1t1F�l �l lklt�l K1l �l 1Nl 1t �l i1 1!• K• ihK• K• 1l 1FK• 11 K• i11t11 K• K• 1FK• i! K• �!• 11 i! K• 1F11 . 1libitK•K• itil leil lFKltK• 1 ! FLOW PROCESS FROM NODE 130.10 TO NODE 130. I S CODE R # } }}> }DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ((((4 sss. w+ sa�rsswrsaarassassssssar :sssasssssaasassss.�arseas sass :arsssaasmeaaaasasassssssas:a CONFLUENCE VALUES USED FOR INDEPENDENT STREAM # ARE: TIME OF CONCENTRATION (MINUTES) a 11.749 RAINFALL INTENSITY (INCH. /HOUR) - 2.63 TOTAL STREAM AREA (ACRES) - 3.50 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE >e 6.7E! �liF wK• 1!«t 1!4! w K•1! 11 •t1e 111lK• 1! i! 1! 1r 1t• 1e 11 K• 1t �! K•K• 1FK•K•1F 1! 11 1Fi1. 1111 iF1! 1e K•11 K• K• 111t K•i! 11 i! 1c 1! K• it 1k i! 1t 1t i1•K•11 K• i! i1 iF it 1t K• K•1! K• 11 i! K• FLOW PROCESS FROM NODE # 307t. 2021 TO NODE 130. I S CODE R .? )))))RATZ METHOD INITIAL SUBAREA ANALYSIS(((({ sssas: erarsasssaaaassssassasseasas�ss�ssssasaasaaas:rs :.saasce= .assaarsssssassraaas ssmm ssa.� ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 41f4 ACRE) TC +• K* C (LENGTH**3) f ( ELEVATION CHANGE) 3 **. 2 INITIAL SUBAREA FLOW -- LENGTH - 750.00 UPSTREAM ELEVATION a I eZ 1. 04a DOWNSTREAM ELEVATION - lei 6. ule ELEVATION DIFFERENCE - S.80 TC - . 3931E U ( 7507+. 00** 3 / ( 5. 00.v 3 K•.r.::: - 1 5.106 10.00 YEAR RAINFALL INTENSZTY(ZNCH/HOUR) r . E: SOIL CLASSIFICATION IS "A" l SINGLE- FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT ; .7 113 SUBAREA RtH4OFF (CFS) e.56 TOTAL AREA(ACRES) - #.60 TOTAL RUN0FF(CFS) -= e. 56 1! K•♦! �! 1! K• 1! i! 1! K• 1! K• 1! K• K• K• K• KK• K• i! K• KK1l KK• ititltil KiRlFikK• K• 11• iFikil ltK• KiliFitK• i! itK K• i! K• 1 l iFil ititititiFl lllilltlfK•K• FLOW PROCESS FROM NODE 130.10 TO NODE 1 30.1 0 I S CODE _ # )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ))))) AND C014P lTE VARIOUS CONFLUENCED STREAM VALUEE9 (((( ( --------- ------------------------ arar-- ---- -- r ==- -- sraa�setssrsv rr ss rrar rrr =• CONFLUENCE VALUES USED FOR INDEPENDENT STREAM e ARE: TIME OF CONCENTRATZON - 15.13 RAINFALL INTENSITY { INCH. /HOUPY - c_. ac% TOTAL STREAM AREA (ACRES) _ #.60 TOTAL STREAM PUNOFF (CFS.) AT CONFLUENCE ie. Sts CONFLUENCE INFORMATZONr STREAM RUNOFF T Z ME INTE NSITY NUMBER (CFS) (MIN. ) (ZNCH /H00 tR) # S. 72 1 2, 6:::9 2 2. 56 15. 11 %. i S'�•`1 ® RAINFALL INTENSITY AND TIME OF CtDNCENTRAT RATIO / FORMULA (S&C) USED FOR c: STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS; 8.73 8.36 COMPUTED CONFLUENCE EST IMATES ARE AS FOLLOWS: RUNOFF(CFS) - 8.73 TIME(MINUTES) TOTAL AREA ( ACRES) - 5.10 FLOW PROCESS FROM MODE 130. le TO NODE 135. Set I S CODE a 3 ------- ---------------------------------------------------------------- - - - - -- )))))COMPUTE PIPEFLOW TRAVELTIME TFLRU SUBAREA < <<<< ))) >)USING COMPUTER- ESTIMATED PIPESICE (NON- PRESSURE FLOW (<< ssssssssssssssssssaessassa s :smsaramaarsaasmar msa mssssamaa mrssaaarsa saesaa smarm• DEPTH OF FLOW IM #e.0 INCH PIPE IS #e.8 INCHES PIPEFLOW VELOCITY (FEET /SEC.) 6.5 UPSTREAM NODE ELEVATION DOWNSTREAM NODE ELEVATI a fE15.50 FLOWLEN©TH WEET Y - 54a. 00 MANN- NGS N s .013 ESTIMATED PIPE DIAMETER<INCHY a 18.00 NUMBER OF PIPES m 1 PIPEFLOW THRU SU£+AREA(CFS) a 8.73 TRAVEL TIME(MIN.Y a .13 TC(MIN.) r 11.91 ae�ew+ t• �ir�e •�e•aatae•�r�a�e�e•+c•aru•� ir+r �+ra+ rat• •R �rw�tir ie• w•K• � � w u•K�tw•K •K•+t •n•at ir�r ar�ru•it it•�tx•* it �r �t+aae �tn•�r�+e•+r w•�r �a•+e•+tir � �r FLOW PROCESS FROM NODE 130.50 TO NODE 1310.50 IS CODE a 1 ) ) )>) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < << CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) - 11.91 RAINFALL INTENSITY (INCH. /FLOUR) r 2 TOTAL STREAM AREA (ACRESY = 5.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE _ 8.73 w** air+ ��r��ra��r��ar�. ra�ar�r. ra��rtrar�r�e•• �• w• �. c• �r�ear« •�+ra� *• «•ie••�eie•�r••�+�+r•r. ir��• �e•+ t+ tae���• ir. e•• �r•K• �r�e•. cie •�r•K�e•�r•�r «•ir�e•�rie•+r•n• FLOW PROCESS FROM NODE 130.30 TO NODE 13+Pa. 50 IS CODE a c - : >) > >) RATIONAL 14ETHOD INITIAL :SUBAREA ANALYSIS < <<< - a�. ssssacasarssssssatssssr ssss aassaasaawasssrssmsmrsss.x sass.. aess srsrasrasa rasrassa= .arrasmsxas ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY t# /fs ACRE) TC - K *E (LEN«TFL * *3) / ( ELEVATION CFLANGE) 2 * *. E INITIAL SUBAREA FLOW-LENGTH a 1000.00 UPSTREAM ELEVATION a 1:35.5+2 DOWNSTREAM ELEVATION = 1 '# 5. 50 ELEVATION DIFFERENCE r ieo. 00 TC - . 393 *1: ( 1000- Bad * *3Y / ( :aD. aet) 2 - 13.606 10.00 YEAR RAINFALL ZNTENSZ TY (ZNCFL /HOUP) - e-411 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY <1 /k ACRE LOT) Rt NCIFF COEFFZCZENT r .7196 SUBAREA RUNOFF ICE'S) s 8. 67 TOTAL AREA (ACRES) a S. 400 TOTAL RUNOFs- ( CFS) : 8.67 �r�r*u•�r+e•+e*•ar ♦t* r. �e•x•ir *+e•ie •�r+r�e•n•+e -ae•+r u•,e *�e•u•+r+r �r ar •k x+t �r «•�e•+e �r ir•re•+e•ie•+e•rc•ar x•�r x «•+r �e• �r •K•ac•�e•+e•+r+t rr•�r+e•ar * �•�e- ae•ie•+e•+r+e•+e• x• FLOW PROCESS FROM NODE 1 30. 50 TO NODE 130. 50 I S CORE � 3 >)> >) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE- < - <- )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<< << sass+ vsssaassararaarsssaasrsssasarmsarssasaeramrrsasaas a�•rar_re•crasrsssr.strr. srassarsaassarm CONFLUENCE VALUES USED FOR INDEPENDENT STREAM ; ARE: TIME OF CONCENTRATION <MZNUTES) r 13.61 RAINFALL INTENSITY (INCH. /FLOUR) •m ® TOTAL STREAM AREA < ACRES) a 5.00 TOTAL STREAM RUNDFF'(CFSY AT CONFLUENCE $.6 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MZN. ) (INC.H /FLOUR) 1 8.73 11.91 ie. 61 RAINFALL ZNTENSZTY AND TIME OF CONCENTRATION RATIO FORMULA (S&C) USED FOR E STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 16.3ar- 36.73 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUWWF (CFS) w 16,73 TIME (MI NUTESY 13,606 TOTAL AREA(ACRES) - 10.10 �e�ew+e•a+e �e�e•�e�e+e�cae u•w•+rw•a+aie• n•�ew•u n•+e+e�t•iew�e+e u+cae �en•acie+e•u•�ew+eie�e ie•n•�c• �[• x�r�e+r u•�e a•�e n• n•+ r +r+�+rie•io�•uw�e•+en+e•+ex•ie• FLOW PROCESS FROM NODE 130.50 TO NODE 230.00 IS CODE s 3 ---------------------------------------------------•------------------------- )))))COMPUTE PIPEFLOW TRAVELTZME THOU SUBAREA {(( ))) >YUSING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOWY (( <(( assssasaa: saassasssssasraasaassaesaaassassssassarasrssssra :aasaaes sass saasassarsarasrs r DEPTH OF FLOW IN 217.0 INCH PIPE IS :0.7 INCHES PZPEFLOW VELOCITY(FEETISEC.) a 5.1 UPSTREAM NODE ELEVAT - 1:15.50 DOWNSTREAM NODE ELEVATION - f?3 80 FLOWLENOTH ( FEET) - :?'00. 00 MANNI NGS N .013 ESTIMATED DIRE DZAMETER(ZNCH) a i7. 00 NUMBER OF PIPES a 3 PIPEFLOW T! -tact! SUBAREA {CFS) 35.73 TRAVEL TZME(MZN.) a . TC(MIN.) A 34. EE �e�cae�e+en• �cien•n•n•ae�e eta ie+r+e iru•u u•ie�t• aen•+e+e+e+e n•+e n•n•ae�e+e u•+t � •e• �en•n•n•�e+e n•ie �e+e•+e n•+e •tt•ir+t- acie+e�e n•ie irw.e•ao-.f n•�e n•+r n•+e n•+e FLOW PROCESS FROM NODE 130.00 TO NODE 330.00 IS CODE 3 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE( < {(< sarsssae+ s�ss�sssamassaerarsrsassraa +ssssesssass ass�.sasasarsassarsiasssssrs ssasszssasssaeaess.=s CONFLUENCE VALUES USEt">. FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) - 14.eS ( 10 RAINFALL INTENSITY (INt':H. /HOUP) _ e . 34 TOTAL STREAM AREA (Af:RES) = 30.10 TOTAL STREAM RUNOFF 4CFS) AT CONFLUENCE - 16.73 ae�t+e+e•�t+caere�e••re �e ♦e reae ie•+e ie ie�eir re n•+e• � �► ie �e n•�e•re+►+e+e n•re �e n• ie+e �e n• ae n• n• n• ee+e •r.•+r n•n• ie+e+rr. ie+e r. n• r. •�r+r n•n•a n• n•ie •K•+e•ie••u•ie•+r n•n• FLOW PROCESS FROM NODE 335.ieO TO NODE 13e.00 IS CODE A :? )))))RATZONAL METHOD INITIAL SUBAREA ANALYSZS < < < << sssatsssssassssassssssss .xzsssosssesmsssaaeesss_sse ssss.rz. -sss_r r=.ss :sa.= s=•a.as ssssassr :ssa+.scc ASSUMED INITIAL SUVAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY {314 ACRE) TC - X*C {LENGTH **3)1 ( ELEVATZON CHANGE) 3+!•+e.:: INITIAL SUBAREA FLOW-- LENGTH s 650.00 UPSTREAM ELEVATION - 1 3 Eq. 00 DOWNSTREAM ELEVATION as 1E34.80 ELEVATION DIFFERENCE - 3.+0 TC - .393-r4 650. 00 +e3) s° { 3..^_0) I ie a: 35. 159 30.00 YEAR RAINFALL. ZNTEN5ZTY { ZNCHJHOUR) = ie- 6tc''t SOIL CLASSIFICATION IS "A" SINGLE- FAMZLY 41 /4 ACRE LOT) RU NOFF COEFFI •= .7106 SUBAREA RUNOFF (CFS) s 3. ,6t TOTAL AREA ( ACRE S) - .490 TOT RLINOFF {CF = 3 Et n• u•�r�e•+tr its►.• mat+ �«•+ tr•• N•+�•+ta�tas•ie•r.r.•+rye•+��r+ eye• ir• ie+ r�►�r�•ir+t•x•ir�e•Mien•as+��s+ rye•• it+ r• rr�•+ e• �•+ �• r.•• kx••K•• �••K•+ e• w•+e•�e•+e•irx•+a+e+�•x•i►*•r+t �. FLOW PROCESS FROM NODE 130.00 TO NODE 1 30. 00 IS CODE a: 3 >) > >)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<{d( sssatsar aesssssss sssssyssa :aaa+. =.sae. ass* saassarsasasse�assm :er.=•ssaxss.=.s CONFLUENCE VALUES USED FOR INDEPENDENT STREAM a ARE: TIME OF CONCENTRATION(MINUTES) s 15.16 TOTAL STREAM RUNOFF(CFS AT CONFLUENCE = 1.28 �ie•+�K+t�r+�ae•a �r��e��eit•��e•ar �e �+t•�ex•ie �e+�aru•� �e+r+e•�rar��r� a•�e u•� ��e•�t�ra� �•�+� �t•+e•�ra•irae�c•+a�r•K••k ar �+a�e•�a+e••�ie•it•�r+e•� a it w• w F PROCESS FROM NODE 130.48 TO NODE 130.8t8t I S CODE ---------------------------------------------------------------------------- )))))RAT METHOD INITIAL SUBAREA ANALYSIS44 {( alias' =+ Ras' ss. seassassasssaasssasssasasaamasasssssssssmss*ssssaas :s: -- - ssaessmreaa*s=s s=M ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1/4 ACRE) TC = X*C (LENGTH**3) / ( ELEVATION CHANGE) 2**.:? INITIAL SUBAREA FLOW -- LENGTH - 966.80 UPSTREAM ELEVATION = lele.50 DOWNSTREAM ELE VAT I ON = 1 � 1.4. ELEVATION DIFFERENCE = 3.7+c't TC - . 393+ L 4 800. et0**3) / < 3. let) I i►«. E 16.679 10." YEAR RAINFALL ZNTENSZTY(ZNCH /HOUR) _ :?.13 SOIL CLASSIFICATION IS "A" SINGLE - FAMILY (1 /4 ACRE LOT) RUNOFF COEFFICIENT SUBAREA RUNOFF (CFS) 1. Qty TOTAL AREA4ACRES) _ . TOTAL RUNOFF4 = 1.05 �• �•+ e�t��tK�a•+t�tir+earuu•+eit•x�r �e•K ir�r�t•ie•�e•�r �eie+e�rw�� �r+t•�r�e•ar�t•k�e �r+r+ru•x• �t•+r+rae•ar•�r•�r ���e••rr ie• it �!• •r. •r•ic• r. ar ar•ir it •n•ir+r�e•�t+r FLOW PROCESS FROM NODE 1 30.Oet TO NODE 130.00 IS CODE _ # ----------------------------------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE44444 ) ) COMPUTE VARIOUS CONFLUENCED STREAM VALULr-944444 wrssasssss= sssssssssssssasssRRSirsssssRaessssssaa •saarsraarssssasrsasseas ssaaarassss:rara.: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 AREs TIME OF CONCENTRATZON4MINUTES) = 16.68 RAINFALL INTENSITY 4INCH. /HOUR) = E.13 l TOTAL STREAM AREA (ACRES) R .70 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE = 1.05 CONFLUENCE INFORMATZON.- STREAM RUNOFF TIME INTENSITY NUMBER 4CFS) 4MIN.) 4INCH /HOUR) ---------------------------------------------------------------------------- 1 16.73 14..6 e. 34h 21 1. E'8 15.16 12- c=6+c'`+ 3 1.85 16.68 ie. 134 RAINFALL INTENSITY AND TIME OF CONCENTRATI PAT IO FORMULAS SRC) USED FOR 3 S'C'REAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS; 18. 8r4 18.37 17.49 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF 4CFS) = 16.84 TZME (MINUTES) TOTAL AREA 4ACRES) _ 11.60 �h�►i! K• R�!• �t1!• �!•�! Rr!•M i! iNt �! i! �! it �! �! Itit �! 1F it i! �! �! 4! •F 1t 1t �!•i1• �F �! arih i! 1! R it iF�t• N•1! �!• it•i! M• i! i! N•1! it•aF iF ih 1!•it1R• i! ik �! R 1! � �F�e•�F u•�!•a! ih FLOW PROCESS FROM NODE 130.00 TO NODE 13 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTZME THRU SUBAREA44(44 )))) >USING COMPUTER - ESTIMATED PIPESZZE 4NON- PRESSURE FLOW)44444 ssssssss :s RS S S S SSSSSrrs= sararss =arm•ssrs+rs=ssssssrmsars cress ass a aasarrirsarsesm :srssaaRSassra =- \ DEPTH OF FLOW IN 340t.0 INCH PIPE IS .- . 5 INCHES PZPEFLOW VELOCITY4FEET /SEC.) = 4.8 UPSTREAM NODE ELEVATION = 114 -iSO DOWNSTREAM NODE ELEVATION R 1&1 FLOWLENGTH (FEET) a 3e0- Qtet MANNINGS N . 1Zt 3 ESTIMATED PIPE DZAMETER(ZNCH) = 381.00 NUMBER OF PIPES = # 1 f \ I'1 � i L 1 � f' I �... 1 r' f 1 . \ . I r . r r . � • . . r .. - � - � - � - �FRR�IRitRil RRil RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRi ! FLOW PROCESS FROM NODE 233.88 TO NODE 131.88 IS CODE ar t ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<< << to ssssar :ss- -- ssaswaesa= s== assaasa�rss: aaasa ssasaaaasas =s saava=saaass=maaaa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) 25.32 RAINFALL INTENSITY (INCH. /HOUR) 2.e5 TOTAL STREAM AREA (ACRES) a 11.60 TOTAL STREAMS RUNOFF (CFS) AT CONFLUENCE 18.e4 RllR7 tRiFRilRR1lRRRRRRRRRRRRRRRRRRRRRRRRMRRRRRR�!• RRRRihRRRRRRRRRRRRRRRRRRRRRRRIlRR FLOW PROCESS FROM NODE 131.1 TO NODE 2 33.:8 IS CODE = L )))))RATIONAL ME THOD INITIAL SUBAREA ANALYSIS <<<<( ass+ sssssssassassssssasm =assssssssssss se :sssssss�essasa : - - - s sasssssssmasssssamss+ ASSUMED INITIAL SUBAREA UNI DEVELOPMENT ISt SINGLE FAMILY (2/4 ACRE) TC = 1<*C (LENGTHRR3) / (ELEVATION CHAN GE) ?**. INITIAL. SUBAREA FLOW-- LENBTH = 550.00 UPSTREAM ELEVATION - 2:?27.le DONNSTREAM ELEVATION = 3225.88 ELEVATION DIFFERENCE s 2.28 TC = . 393*r ( 558. 00RR3) / ( e . 28) 3 RR. 28.80 YEAR RAINFALL TNTENSZTY<iNCHIHOUR) _ 83 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(2 /4 ACRE LOT) RUNOFF COEFFICIENT - .712l SUBAREA RUNOFF (CFS) a 3. TOTAL AREA ( ACRES) e. 48 TOTAL RUNOFF ( CFS) s 3.90 RilR�FR' �!' R�!• RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR�lRRR1 !••1lRRRRRIIRRRY. iFRRRit1lRRRRRRRiF�t•iF FLOW PROCESS FROM NODE 131.C-0 TO NODE 131.040 I S CODE 3 ---------------------------------------------------------------------- - - - - -- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA < < < << )))) WSING COMPUTER-ESTIMATED PIPESII`E (NON - PRESSURE FLOW) (( < < < sssaaeasssaassarsssssssaa •sssrsssarararssasss s ssa•srrsasre wararsssar ssrsr :arssssarssssssarsassssr ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 38.8 INCH PIPE IS 7.7 I NCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.dt UPSTREAM NODE ELEVATION - 2215.00 DOWNSTREAM NODE ELEVAT = t:?f4.00 FLOWLENGTH ( FEET) ar 100.00 MANN I NGS N .013 ESTIMATED PIPE DIAMETER(INCH) = 18.8ek NUMBER OF PIPES � 3 PIPEFLOW THRU SUBAREA(CFS) s 3.98 TRAVEL TIME(MIN. ) R .32 TG(MIN.) *r 1S.23 ikik RRRRRR+ IFRRRIlRR1lRRRRi!• RRRRRRRRRRiFR'IFRRRRRRRRRRRRi!• Rik' llRR ' IFiF ' I � •RRiIRRRilRRllil4FxR FLOW PROCESS FROM NODE 233.88 TO NODE 232.88 15 CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE{ <<<< )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES <(<<< assssataasssssaaaesassssasssasasassassaasaassaaaasaa :sraexsrsamaaassssssssaam CONFLUENCE VALUES USED FOR INDEPENDENT STREAM l2 ARE: . TIME OF CONCENTRATION = 15.&3 RAINFALL INTENSITY ( INCH. /HOUR) _ .°... TOTAL STREAM AREA (ACRES) as .?.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE a 3.98 CONFLUENCE INFORMATION - - - - - -- - - - - -- ------ - - - - -- - - -- - - - -- - - -- - - - - - -- - -- ------- - - - - -- - - -- - - - -- - - - -- 2 18.84 15.31 E. X46 3.90 15. c ?3 2:1..�.:5�i RAINFALL INTENSITY AND TIME OF CONCENTRATION RATI FORMULA <SRC) USED FOR 8 STREAMS, VARI OUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 2e. 7e iele.6 CCWLF-UTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFFtCFS) i eie.7e TZME<MINUTES) 25.388 TOTAL AREA (ACRES) a 14. Oit �r�+�+�+e•�s•a�aru�r�uKKw•+�+ tae *•� �� �*•�rae �+ FK��• u• �e+r�+e•a•+e+e•+t+►+�•+e•aaw•ie �r�e•w•�e•+e�rw•+a+e+e ka �ar�rw•+r w•�r �r �e «•aew+e•�e aie••�•�• FLOW PROCESS FROM NODE 131. 00 TO NODE 13:. Oft IS CODE 3 ---------------------------------------------------------------------- - - - - -- )))))COMPUTE PIPE.FLOW TRAVELTIME THRU SUBAREA < < <<< » )))USIN8 COMPUTER - ESTIMATED PIPESZZE (NON- PRESSURE FLOW) < < < << i!!i!!!i!!ai!!1liAfAa!!i!!a!!!i A!!!!!!! i!!l ifa!!! JRl itAA /{'r!Alir!!Aa!!Ai!!=aaliaiaA.T DEPTH OF FLOW IN ?7.O INCH PIPE IS 17.7 INCHES PZPEFLOW VELOCITY <FEET /SEC.) ! 8.E UPSTREAM NODE ELEVATION - 1E14.00 DOWNSTREAM NODE ELEVATION A 1°'08.00 FLOWLENGTH(FEET) a 60.00 MANNZNGS N a .013 ESTIMATED F`IF'E DIAMETER<INCH) A e7.00 NUMBER OF PIPES +R 1 PIPEFLOW THRU SUSAREA(CFS) EE. 7:: TRAVEL TZME <MIN. ) - 1. TC <MIN. ) - 16. �aea�ca•♦e•w�tw�e•�+t+e•�ex�e �*•+e r. *• *•��t *• k �r+e ��r �r�t•ie•�r+e�r+t+t+�+tat•�e•«• *•�e•*•+r �r *•it � �e�t•�►�e+e *• *•*•+rrt+r*•+r+r �tK+t�t pie •rr *•*•+t+r FLOW PROCESS FROM NODE 13C.00 TO NODE 13:. IS CODE 1 ® ----------------------------------------------------------------------------- t ) > >))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < <<<< aassaasassas: assaaaaar. �a: t+: saamaaeanl sssssa: iaasaass xsraesssaassarsaarsassa�sar saaaas� CONFLUENCE VALUES USED FOR ZNDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MZNUTES) 16.56 RAINFALL INTENSITY (I NCH. /HOUR) 21. I fs TOTAL STREAM AREA (ACRES) a 14.4aet TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE A L ae�t+ ��e• ar�t��e+ o-�t•+ ��t�t�e• �e�+ �irxu+ ��ra+ �+ ea t•+ e•+ e�eu •w•+c.aac•ar+a�e�r+�itir�cxie �r+r. roc• arse• a�+ r. ririr, o-ir+ r�+ �+ e• �r •Kar�r+�+�+t+t�t+e�t•�e•.r+s+r FLOW PROCESS FROM NODE 1-40-80 TO NODE 13a.00 IS CODE )))))RAT METHOD INITIAL SUBAREA ANALYSIS < << << iaeaas�raaaaaiasasaaissaasisassarsaaus .•armrarsassasmta.:rs arsarsrssrar.- aasrsarrrrrrrrrarsms.� ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ZS: SINGLE FAMILY (1/4 ACRE) TC K*C <LENGTH**3) / (ELEVATION CHr4NGE) 2**..=- INITIAL SUBAREA FLOW - LENGTH a 1500.00 UPSTREAM ELEVATION a 2a17.ea DOWNSTREAM ELEVATION a 1 c-eas. rc 0 ELEVATION DIFFERENCE 9.00 TC a . 393+11 ( 1500.00 **3) / < 9.010 I+r*•. r ieO. 359 20.00 YEAR RAINFALL ZNTENSITY <ZNCH /HOUR) A 1.893 SOIL CLASSIFICATION IS "A" SZN©LE- FAMILY 41 /4 ACRE LOT) RUNOFF COEFFICZENT i .6x339 SLASAREA RUNOFF (CFS) r ca. 33 �. TOTAL AREA(ACRES) ! 1.80 TOTAL RUNOFF (CPS) 13.33 waea�r�ae�cae� atar�r+e *•ae*• *•a•ir� at x•�+r *•�e �rx•+t+e•K+e•�r+trt+t•+e•u *• *•*•*•�+c *•+e•w•�r+�+e*•+t•*•+�r*•x �*•ir itit *•�t *•rc rex � ♦e•*•*••k *•+r it *• FLOW PROCESS FROM NODE 13.'-:. 00 TO NODE 2 32?. OO IS CODE A 1 ---------------------------------------------------------------------- - - - - -- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM .a. ARE: TIME OF CONCENTRATION(MINUTES) = &0. 36 RAINFALL INTENSITY 4ZNCH. /HOUR) 1.89 TOTAL STREAM AREA 4ACRES) = 1.ee TOTAL STREAM RUNOFFICFS) AT CONFLUENCE = a.33 «•, ear. r�. r. e• �e• �x��u«•. e. e�r�+ t+ t«•+ c•+ ��r�r+ t«• �r«• �r«•«• �e•+ r�r+ r�, e+ e•«•+ r• ir, r�r, e«•+ r r� +r+r+�+�«• «•�+r.e�c+�ie•«•a��e• FLOW PROCESS FROM NODE 2 3cP. l et TO NODE 132".30 I S CODE a ---------------------------------------------------------------------- - - - - -- }))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS ; ; ; ;; assmaaeassa:: awrsssa aasas=sraaaaaaasasaassasaaraa=: asss -- - :asaaa :aea*asaasaaaa r :aar ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1 44 ACRE) TC = f4*t 4LENGTH- *3) / < ELEVATION CHANGE) 2**. INITIAL SUBAREA FLOW - LENGTH = 5.°6.OB UPSTREAM ELEVATION = 12 DOWNSTREAM ELEVATION = 12@9.50 ELEVATION DIFFERENCE = 7.60 TC - .393 -o-E 4 5a6. oe+t «3) / t 7.68Y 2**..^. = 11.153 10.00 YEAR RAINFALL INTENSZTYIZNCH /HOUR) _ SOIL CLASSIFICATION IS "A" SZNGLE-FA14ZLY41/4 ACRE LOT) RUNOFF COEFFICIENT = .734:: SUBAREA RUNOFF 4 CFS) = 4 3.37 TOTAL AREA 4ACRES) R 4.78 TOTAL RLWOFFtCFS) = 9.37 -e- ���u� -r-e �- a- t- r�- r- c•- r- t- r- r- e-e•K-e•- rw•-c•- �- e•+�• -r u•�-r- t•+t+t -e u+t-r �- t- rw•� -r-e� a+ c- e- r-r+�•- e•-r- e•+�- rir- r-e•r•«• -r «• �•-r �••K ie• �- r- rie•+c• FLOC! PROCESS FROM NODE 13C-.30 TO NODE IS CODE a 3 ---------------------------------------------------------------------------- )))))COMPUTE PZPEFLOW TRAVELTIME THRU SUBAREA ; ; ;;; } })})USING COMPUTER - ESTIMATED PZPESIIE 4NON- PRESSURE FLOW) ; ; ; ;; t irssas= rs=s ssssssss= ssssas= sssssss erssia• ssssssssssasas rsssarssassss raessssssssassa DEPTH OF FLOW IN al.@ INCH PIPE IS 15.8 INCHES PIPEFLOW VELDCZTY(FEET /SEC.) - 5.1 UPSTREAM NODE ELEVATION - 12 -09.50 DOWNSTREAM NODE ELEVATION = 1289.00 FLOWLENGTH4FEET) a 1120.00 MANNINGS N ESTIMATED PIPE DZAMF.TERSZNCH) _ &l.400 NUMBER OF PIPES = # P I PEFLOW THRU SUBAREA l C:FSt) 9.37 TRAVEL TIME (MIN.) _ .33 TC: SMIN. ) r 11.46 � 1tMi!•- 1- �!•-N! R-h-l-t -!•-! -h-! -Fi! -! -! ihi! -F R i6i! -F M• K•-F �!•R 1t•-h -F-F 1F iF-F -!• 1t 1! K i! 1! M 1t R•N �h 1! Il• iF1t i!' 1F i! iF 1t 1! N•�F -! 1F 1F iN-t• -t �!• i!-f iN7!• iF it il• FLOW PROCESS FROM NODE 13&.C-0 TO NODE 13Z.40 I S CODE ) )) ))ADDITION OF SUBAREA TO MAINLINE PEAK FLOWS ; { <; rsasssssassa :assrsasasmassrssaaeaesss -- � �.ttssatrsrrssrs..asaa.ffirs -- �• - sarsscscsrssssssasss+s.sr 1$. YEAR RAINFALL INTENSZTY4INCH /HOUR) - &.670 SOIL CLASSIFICATION IS "A" SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT : .73.^.E: SUBAREA AREA f ACRES) = 3.30 SUBAREA RUNOFF 4 CFS) = 6.45 TOTAL AREA<ACRES) r 8.00 TOTAL RUNOFF ;CFS) TCIMIN) - 11.48 - r- e• aa- ru• a[•- ��- t- e- t- e•- r�- r+ �K+ e- r+ a+ r- t- r+ r- r+ e- eu•-►- e•- e- r- r- e• �- e- eK+ r- e• ��- e•- e+ r- e- e- e•+ �- e- e- e•- rK+ �•- r- e+ r- r- e•- a- r+cat�- c•-r�- ea- r r- r- � -e ••� r C FLOW PROCESS FROM NODE 13E.40 TO NODE 23E.' I S CODE 3 )))))COMPUTE PIPEFLOW TRAVELTZME THRU SUBAREA;;;;; )))))USING COMPUTER- ESTIMATED PIPE-SIZE 4NON- PRESSURE FLOW) ; ;; ;4 assssaasasaasIssas :assssssassss wsss ss :ssasssss=saesssssaaasaasaa ssasresarsr sortrsr DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.8 INCHES PIPEFLOW VELOCZTY<FEET /SEC.) - 7.6 FLOWLENL3TH( = 100.00 MANNZN6S N = .013 ESTIMATED PIPE DZAMETERCINCH) a :4. NUMBER OF PIPES a 1 PIPEFLOW THRU SUBAREA(CFS) = 15.83 TRAVEL TZME (MIN. ) _ . ee TC (MZN.) a 11.70 w+ ea+ e�rae�eie+ r+ c•+ e�ea�a�ark�r+ e«•«•«•« •�«+ruKw+r«•+�+r�r�«•+rir�«•�+ rarer«• K+ ru+ rK+ r«•+ r��r�rr�irw «•ar «•�r«•Kar«•«•x«•ir+r FLOW PROCESS FROM NODE 13:.88 TO NODE' 13i. 80 Z S CODE +� 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < <( << ))P)) AND C WIPUTE VARIOUS CONFLUENCED STREAM VALUES < < < < < aaraasa rarasaa=: aasasa= asaarsawaa :saassaataasara==ssssssasas ss�ssasmaa a=assa =a = :s CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 AREz TIME OF CONCENTRATZON(MZNUTSSY a 11.70 RAINFALL INTENSITY 4ZNCH. /HOUR) E.64 TOTAL STREAM AREA (ACRES) = 8.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 15.83 CONFLUENCE ZNFORMF;TZONv STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR> ---------------------------------------------------------------------------- 2 C- Z. 7 16.56 a. 143 1 X0.36 1.893 3 15.83 11. 70 .^.. 640 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 37.47 33.76 33. e COMPUTER CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) - 37.47 TZME(MZNUTES) 16. TOTAL AREA(ACRES) _ :3. �tk«•«• �«•«•«•�•�r+ sir. r« «•+ c+ r�r«•a r�s+ r«•«•«•. r«•K r t«• r «•«•n «•+r «• Kirir�r«•«• irtrir«• �r +tir«•ir«•«•+t+t«•«•«•«•rr«•+r FLOW PROCESS FROM NODE 13e.00 TO NODE 140.00 IS CODE =r 3 > > > > > COMPUTE PZPEFLOW TRAVELTZME THRU SUEtAREA- (< < ( < )) > > > USING COMPUTER - ESTIMATED PZPESIZE (NON - PRESSURE FLOW) < < ( < ( arsasasssamsrassa ataas s•saar a ss eeaaassaas s ammmsma•smaaa sa ams a samssmassamassasas :sss DEPTH OF FLOW IN 30.0 INCH PIPE IS X0. INCHES PZPEF'LOW VELOC-ZTY(FEET /SEC. ) - 10. 3 UPSTREAM NODE ELEVATION - le0a.042% DOWNSTREAM NODE ELF4'ATZON a #.-'''.06.1 FL.OWLENOTH(FEET> = 150.00 MANNINGS N R . ESTIMATED PIPE DZA- METER(INCH> m 30-00 NUMBER OF PZPES 1 PZPF_FLOW THRU SURAREA/CFS) 37.47 TRAVEL TZME(MIN.> _ .4 TC(MIN.) _ 16.81 «• � !•«•«•«•«•+e«•�«•«•�ear+e•+r+s+ soar+ r+ r+ c+ e• �r«•+ t�r�r«•«•«•+ �«•«• ��+ e«•«•« �ir• ��r«•i cir«•«•«•«•«•«•«•«•«•«•«• ��r« •«•+�r«•re+t+e�«•«•«•«•«•+t+t FLOW PROCESS FROM NODE 140. 00 TO NODE # 40. 00 IS CODE _< # > > > > >DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE < < <(< > > > > >AND COMPUTE VARI OUS CONFLUENCED STREAM VALUES (((<< ss a Warm arsas• a=• asssams asasasrsssssarmsrssammarmaammasmsamasss +rmmasmssmamsassasassam / CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OP CONCENTRATION(MZNUTES) 16.81 RAINFALL INTENSITY (INCH, ( HOUR) _ 21. 1:.: TOTAL STREAM AREA (ACRES) - :3. TOTAL STREAM RUNOFF(CFS> AT CONFLUENCE = 37.47 CONFLUENCE INFORMATION: 1 37.47 16.81 E.121 RAINFALL INTENSI AND TIME OF CONCENTRATION RAT IO FORMtlLA t SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RLWOFF VALUES ARE AS FOLLOWS: 37. d#7 ` COMPUTED CONFLUeNCE ESTIMATES ARE AS FOLLOWS: RUNOFF t CFS) a 37.47 TIME (MZNUTES) i6. 8a8 TOTAL AREAtACRES) - .x.3.80 aeessssssavmanas sssssazasasmaa :ssrssa -- ass — asaasss :avarasasaassssass + =s =s =s.�ra END OF RATIONAL METHOD ANALYSIS G7 X?e g pw,.000� gmet CIVIL ENGINEERING LAND PLANNING 0 LAND SURVEYING SUmCT 0V DATE 100 NO. SHEET ' FASTER HYDROLOGY STUDY JOHN SIMS 9/26/86 1 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LATERAL G (LINE B) * Q25 O * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641.8777 aaisatsaa: saewra�rsaa+.+ aasaas: saassa. �sssaa aasaaaas ssss RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM RASED ON SAN BERNARDINO COUNTY (SBC> 1983 HYDROLOGY MANUAL ssssaes ssassasessasraaaaaasaaessrssssawafrasaarssassss :ranss:es ssrssasaaaaasssaa :aasaassassss (C) Cimpyright 1982 Advanced Engineer-Ing Software EAES3 Especi prepared far: HALL R FOREMAN, INC. {{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{}}}))} }))))))))))))) > > >) >> )))))))))))) �r�a aracu ae�ra�atDE3CRI FAT I Utz OF RESULTS•K*•ar*�ar�u rr�e it k� r ie rru� ar�ar+e � K ie �rirx �c ♦e a �t�r�r�ir�e it ar« a ar c tr +r FOOTHILL DRAIN HYDROLOGY, LINE R — LATERAL 8 'x +t Q ES NODE 130.1 TO NODE 140 +t +' ARMED +• �e�i►.•�tie+eu•ar�w� �a'ic a •t+t+e•r. +t�c•�••n• *t �r.•tr � �e• •K K�•k •��+r+e• ir+e �r �rarie• w•�rar�e•�e it�racir it•ar ir+r•rt•� ��t•rt•*•�r irirat+e�r+ta+r •K•+t+a+��r ---------------------------------------------------------------------------- USEP SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------------------------------------------------------------- USER SPECIF STORM EVENT(YEAR) 2S.00 SPECIFIED MINIMUM PIPE SIZE4INCH) 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE .95 10 —YE STORM 68— MINUTE INTENSITY4INCH /H0UR) .980 100--YEAR STORM 60—MINUTE INTENSITY 4 I NCH /HOUR) 1.470 COMPUTED RAINFALL INTENSIT DATA: STOR EVENT A- e5. 8a'+ 1 —HOUR INTENS ( I NC! t r HOUR) — 1.15 !O SLOPE OF INTENSI DURATION CURVE — .6800 S &C HYDROLOGY MANUAL "C "— VALUES USED {{ < { < { {{ { {{44 {444444444 < <4< 44444<< 44< 4>)))>}} )) >>)))) >) > })) > ) > >)) >))) })) Advanced Enginepr•ing Softwar -e EAESJ SERIAL No. 40580A REV. 3.1 RELEASE DATE:: 5/01/65 ar��r�e•+tr. �rat � re ararit *•�tarariratae•t�• Brie• ar+ e+ e• � +�+e•�+r�e•+a+c•+r+r�ru•�e••k•+ eerie+ rtr+ e• a�•+►+ rie•+ r*• x•+ t• �r• rr+ e• w• rr ie•+ c�t+rrrie•�e•irx•a�r♦e•x•��t•+r FLOW PROCESS FROM NODE 130.10 TO NODE 130.10 IS CODE 2 ) } METHOD INITI SUBAREA ANALY 4 < assr..srsssaaaaaaassAesarsss: ssassrsr. sasssssss�saaassaesfsars+. asam. msssssssassaaesm.•rsssssass.ss ASSUMED INITIAL SUBAREA UNIFORM ® DEVELOPMENT IS; SINGLE FAMILY 41.x'4 ACRE} TC z X* E (LE? *TH**3> } 4ELEVATION CHANSE) 2 **. 2 INI'T'IAL SUBAREA FLOW-- — 7&0.00 UPSTREAM ELEVATION — 1 35.54a DOWNSTREAM ELEVATION = 1:'16. 0O ELEVAT DIFFERENCE — 19.50 TC — . 3934 ( 7a8. 88.**3) / 4 19. 30> 3 **. ie a 11.7491 25. YEAR RAINFALL INTENSITY /HOUR) 3. 059 SINGLE -Ff;Wf L Y (1 /4 ACRJt LtJ i l l4t.JfYUt l- GUtt -t- A GI MM I SUBAREA RUNOFF (CFS) 6. TOTAL AREA(ACRES) - 3.50 TOTAL RUNOFF(CFS) a 8.00 ««•« �t«•«•«• �e��« + eK�rac�rae««•«•«•, e• �a«• �+ e«• K«•«• Kar«•«•«•�+e�+e+��«•«•«•aeie,e+ ear«•««•«• �aK��rar� «•«•ir�r��e « «.r« FLOW PROCESS - FROM - NODE - - - 130.10 - TO NODE - - - 2 3et�14D IS - CODE � I --- - - - - -- ------------------ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE( <<<< ssstsassssararssssssasassssas� sssssaaaassss aces: sssasssasssasas :ss :aaaasassssaaaas CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATI 33.78 RAINFALL INTENSITY (INCH. /!-JOUR) _* 3.86 TOTAL STREAM AREA (ACRES) a 3.5(h TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE a 8.88 �t�eK«K «••�«•+sae«•r. «•+ r+ r«•+ �«• ie« �« ar« �ar�r�r�r«• ��e+ r« �t«• xae�rar«• �«•+ r«• it«•+ c«•«•, r««•+ e«•«•, ��e� «•K«•�r«•«•�e«•arit«•x«•«•ir «�r FLOW PROCESS FROM NODE 134b. 12 TO NODE 130.10 13 CODE a B )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<< << s sass. �samaaaassys asaaaaaaaa: aaaasssaasassssssaaaaaasusasasaassaassaassaaaasssa ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS.- SINGLE FAMILY 43f4 ACRE) TC a K *C (LENBTH**3) f (ELEVATION CHANBE) J**. E INITIAL SUBAREA FLOW - LENGTH - 750.8et UPSTREAM ELEVATION a t E 2. etet DOWNSTREAM ELEVATION - 3::'36.00 ELEVATION DIFFERENCE a 5. 00 TC - . 393* C ( 750. (c0**3) f < 5. @tQt} �+rir. A 15. 308 2'5.00 YEAR RAINFALL INTENSITY<INCJ /HGUR) a e.635 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY (3 J/4 ACRE LOT) RUNOFF COEFFICIENT a .7307 SUBAREA RUNOFF (CFS) 3.06 TOTAL AREA(ACRES) - 3.60 TOTAL RUNOFF<CFS) - 3.06 « ih• 1! i!«• iF1!«•« i! �! 1!«•«•«• 1RiF«• �! �!«•• 1! 1!«• Ri!• �F�F1r itR«• iF�!«•«•«• �l it• 1l 1l iF• IFitRiF«• �!•«• i! i! itititi!• R�l �l itiF�l i! «i!•1F«•ilit•INiti!«•i!•llit• FLOW PROCESS FROM NODE 130. 10 TO NODE 130.10 I S CODE a 3 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE << << ))) })AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES < < <<< aarsssasaeraaa :s irais"aaesarsrsasawara er.. esasrsassr"• ewraa• asraas ar raarvsaesrsaaae @4srsaasaaaaaaaairaaJ4• CONFLUENCE VALUES USED FOR INDEPENDENT STREAM c= ARE: TIME OF CONCENTRATION (MINUTES) a 35.33 RAINFALL I NTENSITY (INCH./HOUR) - .G. 64 TOTAL STREAM AREA (ACRES) - 3.60 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE - - 3.08 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUM$ER (CFS) (MIN.) (INCH/HOUR) -------------------------------------------------------------------------- 3 a.00 11.78 3.059 E 3.OES 15.11 :"-_. 635 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA498C) USED FOR E STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS. 10.40 9.97 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOrFF (CFBY - let.-40 TIME (MINUTES) 11.781 TOTAL AREA(ACRES) - 5.30 FLOW PROCESS FROM NODE 1 1 40 t u Nuvt 1 4". a4& t to f_;usjt or .S ))))> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA < < < < < )))))USING COMPUTER - ESTIMATED PIPESIZE (NON PRESSURE FLOW) << < << aa: ss: asssssasass: sarrasssssrssasasasrarsraassssssrsssaa :sasrssssssaarsrsssss DEPTH OF FLOW IN E1.0 INCH PIPE IS lac-.6 INCHES PIPEFLOW VELOCITY<FEET /SEC.) - 6.9 UPSTREAM NODE ELEVAT = 2: 16. 00 DOWNSTREAM NODE ELEVATION - 1e t 5. 50 FLOWLENOTH4FEET) - 50.00 MANNINGS N .013 ESTIMATED PIPS: DIAMETER <INCH) - E1.00 NUMBER OF PIPES - 3 PIPEFLOW THRU SUBAREA(CFS) = 10.40 TRAVEL TIME(MIN.) - . lie TC (MIN. ) - 11.90' �c�u•it k�c+e•+c+t• u•ira•it+rac •r��r+t+r+r+t �r+r+r�t+r+t+ax•+r+t+�+a+ra �t+e•�� ir+t•ie�c*•it•+t•+c.r�ru �e•� ie•x ie•�e �e•�e•�•ira�•u•n•�r+e �c+ririe•�r�e•+r•K+s+c FLOW PROCESS FROM NOISE 130.50 TO NODE 130. 50 I S CODE r 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < << sassmararsarssssaasssaassssssaartr.= mss ssasssassssawssess�s.= ssssassrasssaesssssasaasss.'a CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I ARE: TIME OF C)NCENTRAT ION (MINUTES) = 11. 90 RAINFALL INTENSITY (INCH. /HOUR) - 3.04 TOTAL STREAM AREA (ACRES) = 5.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE :< 10.40 a�ie•+e �t+eat�t•�e•�eic •rie• it «• �«• �r «• stir iri► �t•�r+t+r+e �r+c•k+t u•+r ♦t•� �e•r. K ie• ��+tir x at•w+r is it+r+t it ir+e•�t•arK� ie•ie•re+e•�e it •MC•+carK �•+r�t•«•� �+t•K• FLOW PROCESS FROM NODE 130. 30 TO NODE 130.50 I S CODE - .=: - - - -- ------------------------------------------------------------------- - - - - -- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS< < <<< ASSUMED INITI SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC - Kit (LENGTH+* *3) 1 (ELEVAT CHANGE) 2**. INITIAL SUBAREA FLOW -- LENGTH - 1000.Oet UPSTREAM ELEVATION = 1L35.50 DOWNSTREAM ELEVA :: 1211 S. 50 ELEVATION DIFFERENCE - TC . 393 *C ( 1000. 00+t+k3) .t < .^.0. 00) ?+t+t.:: •$ 13.606 5. 00 YEAR RAINFALL INTENSITY ( INCH /HOLIR) E. 605 SOIL CLASSIFICATION IS "A" SINGLE - FAMILY (2,'4 ACRE LOT) RUNOFF COEFFICIENT - .7379 SUBAREA RUNOFF (CFS) 10.35 TOTAL AREA(ACRES) 5.00 TOTAL RUNOFF(CFS) r 10.35 �t•�► *it• wtr+t«•��s ie•��rr. u•ak arx•at�e•+r+e+r� �r+t+ew+r it ir•K• *•w• �+r+t�e+t+tu• it•u•�e•itititie •�rir+c••k ♦e ic• iex•ie•w•rr �rar+t�t+e•arie •r rt�rie•ae•�e � u•ie•+r FLOW PROCESS FROM NODE 130.50 TO NODE 130.50 IS CODE 1 )))))DESI(3NATE INDEPENDENT STREAM FOR CONFLUENCE < << << )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUER< <<<< sss=ssrs rsss -ssas ass ar rsssr srasssrar sar ar ssrar arxrasrr ar ararsssssrmrssarar rarararrarssr rr rar s varrr ssas sas sasar CONFLUENCE VALUES USED FOR INDEPENDENT STREAM a ARE: TIME OF CONCENTRATIisNSMINLITES) - 13.51 RAINFALL INTENSITY (INCH. /HOUR) - '.61 TOTAL STREAM AREA (ACRES) -r 5.00 (o TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 10.35 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 3 let. 40 11.90 3. 041 o t sa_ An t 3- 62 a. B05 RW4 Z NFOLL Z N t tNIS L t Y MMU i s Mt Ut- trt t!<tt.:t tit t str t s t ttty Mg s t u FORMULA (SRC) USED FOR E STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWSs 19.46 19.95 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS; RUNOFF (CFS) •= 19.95 TIME (MINUTES) _ 13.606 TOTAL AREA<ACRES) = 10.10 �! i!�!•k•R•'R �! �!•K�@�!i! �! �!• �! �!• �!•iF i! ir'1! i! M' R 1F phi! M 1t �h 7!• �!' 1R it' 1t 1!i! 1! �F1F i! R i! 1! �P �!• �!•�! �!• �! �!• 1F �!• �! i! i! 1! iC9!• it iF 1F 1! ie iF �! �! 4F1! �!�! 1! �!�! ie• a! FLOW PROCESS FROM NODE 139t.540 TO NODE 130.00 IS CODE = 3 ) ) ))) COM UTE PI PEFLOW TRAVEL T I ME THR SU BAREA < < < < < )))))USING COMPUTER - ESTIMATED PIPESIZE 4NON- PRESSURE FLOW) <<<<f ssssssssrassarssssarssaeaa :sassssaasssrss �sssasasssssas areas ss :ass s ass ssssssaas DEPT OF FLOW IN 30.0 INCH PZPE IS # INCHES PZPEFLOW VELOCZTY <FEET /SEC.) - 5.4 UPSTREAM NODE ELEVAT s 12 DOWNSTREAM NODE ELEVATION l e l -4. SO FLOWLENGTH WEET) e80. BB MANNIN43S N s .013 ESTZMATED PIPE DIAMETER<ZNCH) = 30.00 NLMPER OF PIPES = 1 PIPEFLOW THRU SU8AREA 19.95 TRAVEL TIME <MIN.) - .6a TC <MZN.) a f EE �t• �t�e+ t• �t •+ta�c�e•aear+tie•�e•+e�r+�r. �tKar+ r+ �•+ t•+ rie• �e•+ e•+;+ a+ r�tKrraeara•+ eirx•+ eKie�t��t• irie• �ieie• �r+ t• �+ r�x�e• ie•• iru• iearae +tx+e•u+;w•ae•+c+tar•�t+e• FLOW PROCESS FROM NODE 130.00 TO NODE 130. D+R IS CODE _ # -------------------------------------.--------------------------------------- )) )))DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < << sstsr' aveaaarassa +sssrm�+.sas+e•.srassas eras: sssssausrrasasssasaasaasa.:. sss .msssassaa.+QSSmms :arssrrs CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE; TIME OF CONCENTRATION <MZMUTES) = 14. ea RAINFALL INTENSITY <INCH. /HOUR) _ . 73 TOTAL STREAM AREA /ACRES) = 10.10 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE - 19.95 ar ir•kir+ex• it•x• � ar ae it arar it � �e•r. +e �+r x+r ie• �• x •K ie ar+�+e+r ar+r x �r+r� it �r+ax •u•«•ia i►ie•«•♦r♦e•+e ir+e•�ae �•+t+t+t• •e• � ie• w••u•re•+t+tw•it u•ir ie• it at•�t•+t• FLOW PROCESS FROM NODE 135. eO TO NODE 130.00 IS CODE r )))))RATZONAL METHOD INITIAL SUBAREA ANALYSZS< <<<< sauaays •-- - amarr srrarsarsssss=sysr assess: sssxesaaas+ saaamars+. as. =+.rssrasa :sarassasa.W ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT I9s SINGLE FArMILY 41/4 ACPE) TC _ !< *t <LENGTH**3) / <ELEVATI#sN CHANGE) 3**. c`: INITIAL SUBAREA FLOW -- LENGTH : 65et.00 UPSTREAM ELEVATION = lei a. 042? DOWNSTREAM ELEVATION - # 1 4. Bet ELEVATION DIFFERENCE m 3. EO TC s . 393* f / 650. 0040 ►3) / t 3. eoY 3 **. t:: # 5. # 59 j=--5.00 YEAR RAINFALL ZNTENSI TY < INCH /HOUR) a a-630 SOIL CLASSIFICATION IS "A`• SZNOLE- FAMILY 11 /ir PORE LOT) RUNOFF COEFFZCZENT - .7304 SUBAREA RUNOFF {CFS) 1. TOTAL AREA<ACRES) , Set TOTAL RUNOFF<CFS) r #.54 (® Rie•+r+e�tar�rx�r�t�KU ► arat*• Kx+ rr.** **«• * rr* *+ e•.•+ t*+ r♦ e• ****q•+ ew•******* qtr.***4 r+ au• n• +e* *ie•**+t•u•+t**- *at*** ___FLOW - PROCESS - FROM - NODE - - - 130.00 - TO - NODE 13tc� IS - CODE - - - - - t ------- ---_ -- )))))DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE < << << s+ssyss.=•rs :aasaae.- asrar sssarsasszsm�- rsssssaamsvas��aaaesraararsaesssssssar. sssemssarsasrsosmsassiarass.� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM c3 ARE. TIME OF CONCENTRATZON /MINUTES) 15.16 RAINFALL INTENSITY <ZNCH. /HOUR) 20.63 TOTAL STREAM RUNOFF (c:vtcp 041 i:(l4'rt4rL&JGl�tt:s•. s. a� 0��r+a�r+�at+r•:rae •k aais it•�+e0t arit��t �n•�r+taritK �ac�x �r�r •k+e a�ie••K•ie•�e era•�ee•ie•+e �e•�r�t•ar+e•+��e•�r�r ar�r�r+e•+r 4+t+�ar+�+�+t+r+�+e•ae+r ie•�+e•+�+r FLOW PROCESS FROM NODE 130.40 TO NODE 130.00 IS CODE -----------------------------------•----------------------------------------- )))))RATIONAL ME THOD INITIAL SUBAREA ANAL YSIS((<<< aaaasaaasaaa sasaaas+ :aaa =s - - - assess: aaaasaaeas' aaaaaaaaa�a :aaaaaaaaaaaaaa :aasaanasas ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 41/4 ACRE) TC - A*C 4LENGTH* *3) / (ELEVATION CHANGE) 3*0F. E INITIAL SUBAREA FLOW- LENGTH - 800.00 UPSTREAM ELEVATION - 1.318.50 DOWNSTREAM ELEVATION - lel4. °ae ELEVATION DIFFERENCE - 3.70 TC . 393** ( 4s00. 8a**3) / ( 5." YEAR RAINFALL INTENSITY( INCH /HOUR) - E.4493 SOIL. CLASSIFICATION IS "A" SINGLE - FAMILY (1 / ACRE LOT) RUNOFF COEFFICIENT - .7Z'_34 SUBAREA RUNOFF (CF 1.a6 TOTAL AREA (ACRES) _ .70 TOTAL RUNOFF(CFS) r ! 5 �0e•�0c �0r.• 0e+o-+e,rt at�r ��+e,! •trot au• •ter. �r�t �e•ie �e�itir �it�e•� irit of �+c � ie �•k�c•04��e+e ��+R u•ir+r ie• • �e ••u•ie•�ti►ie•�•�r�•�e•irie•a�r •rr•�r pie �e *•fr ar�r FLOW PROCESS FROM NODE 130.00 TO NODE 130.00 IS CODE r 2 ---------------------------------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < << << ) >)))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES( <<<( assssasssasr srmm sra r mssmsstrma samsaarsrsrsrmssra.sesm mesa rraamamsassasra aas•r rsr ermsrar saasaa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATZON (MINUTES) - 16. RAINFALL INTENSITY (INCH. /HOAR) a. TOTAL STREAM AREA (ACRES) - .70 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE a 1..'-_'45 CONFLUENCE INFORMATZON: STREAM REAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) ( INCH/HOUR) 1 19.95 14. e e. 73E 6 1.54 15.16 636 3 1..-'_45 16. 68 e. RAI NFALL. I NTENSITY AND T IME OF CONCENT RAT FORMULA(S&C) USED FOR 3 STREAMS. VARIOUS CONFLUE::NCED RUNOFF VALUES ARE AS FOLLOWS: .mac:. 4`' 2 1. a9 L"-'* O. 84 COW-OUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) a : a. 47 TIME (MZNUTES) 14.::::3 TOTAL AREA ( ACRES.) = 11.60 �e�e•+er. +er. +ere+t+r ae0t�e+t 0t�e+e�t rt+r ie ie ie+e it ie•+t 0t rt it it 0e+tie �c• 0r it r, ie � �ricie+e•r. ie •k �e•ie •e � ar+e+t ie tie ie+ta+t+c a �e•+t �t •cie 0t ie �• «•+tae 0r+e FLOW PROCESS FROM NODE 130.00 TO NODE 131,00 i S CODE 3 > > > > >COMPUTE PZPEFLOW TRAVELTZME THRU SUBAREA << << ) >)))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)<< <<< ® assassansarsasasaarsmasrmxssarar. aa:= sea: saw• m ras rsarmsa rrcrssr.= rssmsuaraaaasaesmasra� =m l DEPTH OF FLOW IN 33. 42N I NCH PIPE IS E3.07 INCHES PIPEFLOW VELOCZTY(FEET /SEC.) 5.0 UPSTREAM NODE ELEVATION = 1:14.490 DOWNSTREAM NODE ELEVATION a 1 FLOWLENGTH ( FEET) - 300.00 MANNI NGS N +- .013 ESTIMATED PIPE DZAMETER(ZNCH) r 33.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUPAREA(CFS) += we.47 t UbhV t 1 51KLHMb. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 25.63 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 25.63 TIME(MINUTES) = 20.512 TOTAL AREA(ACRES) = 17.20 ~ END OF RATIONAL METHOD ANALYSIS _ r� C t-1 J C. • ::sass seas: smssx= ss= assmasssasssacx= xxxsassmsxssssxzxnxasaxasssaxssssxaxx =xx RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL sssssxzmzs: szzss xxz= asszxaxxzasassmxaxxsassaa =sasssszsssssss=axasaszasssssas ( 0 >>)>>> ))))))))))))))))))))))))))))))) (C) Copyright 1982 Advanced Engineering Software SAES] Especially prepared fora HALL & FOREMAN, INC. * * * ** *****DESCRIPTION OF * FOOTHILL DRAIN HYDROLOGY, WEST HERITAGE (LATERAL H) * 9 25 NODE 140.6 TO NODE 140 * AHMED SHE I KH, J. N. 3366, 12/ 22/86 ---------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 6"INUTE INTENSITY(INCH /HOUR) 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE = .6000 BBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software EAES3 SERIAL No. A9580A REV. 3.1 RELEASE DATE: 5/01/85 FLOW PROCESS FROM NODE 140.61 TO NODE 140.60 IS CODE = 2 )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ass=: a=ss s:s ssssaasssssss sssassessssssaszs ssssssssassassss =sa = =xsssssassaxss ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT I81 SINGLE FAMILY (1/4 ACRE) TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW - LENGTH = 980.00 UPSTREAM ELEVATION = 1221.00 C" WNSTREAM ELEVATION EL LEVAAT ON DIFFERENCE . 12 E 12.38 TC = . 393* E ( 980.00**3) / ( 12.38) 3 * *. 2 = 14.796 R 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.668 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7321 SUBAREA RUNOFF (CFS) • 2.34 TOTAL AREA(ACRES) = 1.20 TOTAL RUNOFF(CFS) = 2.34 FLOW PROCESS FROM NODE 140.60 TO NODE 140.60 IS CODE = 1 M )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < <((< : ss: ssassssssssssassss: ssssossssas =sassssasm�sssssaassa =sass= ssasassssamsasz CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) - 14.80 RAINFALL INTENSITY (INCH. /HOUR) - 2.67 TOTAL STREAM AREA < ACRES) - 1.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 2.34 FLOW PROCESS FROM NODE 140.50 TO NODE 140.50 IS CODE = 2 )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS < < <<( ssssssssasssssaasasssass z ass :sa=ss :ssszxzs :sass :szs =s :ass =s.= :sss=szsazas ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC - K *E(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW - LENGTH - 650.00 UPSTREAM ELEVATION - 1218.00 DOWNSTREAM ELEVATION - 1209.50 ELEVATION DIFFERENCE - 6.50 TC - . 393* E ( 650.00 * *3) / ( 8.50) 3 * *. 2 = 12.469 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.957 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7436 SUBAREA RUNOFF(CFS) = 6.60 TOTAL AREA(ACRES) = 3.00 TOTAL RUNOFF(CFS) - 6.60 FLOW PROCESS FROM NODE 140.50 TO NODE 140.60 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( sssssssssssssssssssssssssszs 3 ssssm =asses =ass= sass = :asssssssas DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 6.1 UPSTREAM NODE ELEVATION = 1209.50 DOWNSTREAM NODE ELEVATION a 1208.62 FLOWLENSTH(FEET) a 90.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) 18.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) 6.60 TRAVEL TIME(MIN.) _ .25 TC(MIN.) 12.71 FLOW PROCESS FROM NODE 140.60 TO NODE 140.60 IS CODE 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( s:'sssssssssssssssassssassz ssssssas: sass: asssasassas :szsszsaszzszsssz :zs =szss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.71 1 O RAINFALL INTENSITY (INCH. /HOUR) = 2.92 9 TOTAL STREAM AREA (ACRES) - 3.00 � O i, 2 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 6.60 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 2.34 14.80 2.668 2 6.60 12.71 2.923 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWSs 8.37 8.61 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWSs RUNOFF(CFS) - 8.61 TIME(MINUTES) 12.714 TOTAL AREA(ACRES) - 4.20 FLOW PROCESS FROM NODE 140.60 TO NODE 150.10 IS CODE = 6 )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( sassssssssssssssaasss= assss zasssszs =szaaassssassssssss :zees =z = :saarszss :sxsaez UPSTREAM ELEVATION - 1208.62 DOWNSTREAM ELEVATION = 1207.50 STREET LENGTH(FEET) = 400.00 CURB HEIGTH(INCHES) S. STREET HALFWIDTH(FEET) - 24.00 STREET CROSSFALL(DECIMAL) _ .0290 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) 8.98 STREET FLOWDEPTH(FEET) s .63 HALFSTREET FLOODWIDTH(FEET) - 16.78 AVERAGE FLOW VELOCITY(FEET /SEC.) - 2.11 PRODUCT OF DEPTH&VELOCITY = 1.32 STREETFLOW TRAVELTIME(MIN) - 3.16 TC(MIN) - 15.87 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.558 SOIL CLASSIFICATION IS " A " SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7271 SUBAREA AREA(ACRES) _ .40 SUBAREA RUNOFF(CFS) _ .74 SUMMED AREA(ACRES) 4.60 TOTAL RUNOFF(CFS) - 9.36 END OF SUBAREA STREETFLOW HYDRAULICSs DEPTH(FEET) _ .65 HALFSTREET FLOODWIDTH(FEET) = 17.47 FLOW VELOCITY(FEET /SEC.) - 2.04 DEPTH *VELOCITY 1.32 FLOW PROCESS FROM NODE 150.10 TO NODE 150.10 IS CODE 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( assssssss= ssssssaassssssss: sasass ssssr= er a= s= assssssssasszzass = =sssssaass = == CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF- CONCENTRATION (MINUTES) 15.87 RAINFALL INTENSITY (INCH. /HOUR) 2.56 TOTAL STREAM AREA (ACRES) - 4.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 9.36 FLOW PROCESS FROM NODE 140.40 TO NODE 140.40 IS CODE 2 )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( asssasassssssssssssssssssssssssssss :sssszzs =sssstsssss seas :zssasssssxsazszs: ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1/4 ACRE) TC - K* C (LENGTH* *3) / ( ELEVAT ION CHANGE) ] * *. 2 ® SUB 500.00 LEVATION - 1212.7 UPSTREAM ELEVATION 0 DOWNSTREAM.ELEVATION - 1209.16 R�G� ELEVATION DIFFERENCE s 3.54 TC = . 393* C ( 580.00 * *3) / ( 3.54) ] * *. 2 = 12.692 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.926 SOIL CLASSIFICATION J S "A" SINGLE- FAMILY(i /4 ACRE LOT) RUNOFF COEFFICIENT = .7425 SUBAREA RUNOFF(CFS) = 4.13 TOTAL AREA(ACRES) - 1.90 TOTAL RUNOFF(CFS) - 4.13 FLOW PROCESS FROM NODE 140.40 TO NODE 150.10 IS CODE = 3 --------------------------------------------------------------------- - - - - -- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( ssssaaseaeaass saassssazzaxs- sass= saszzzasssaasssszzssasssass =LS.ax= ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 6.9 UPSTREAM NODE ELEVATION = 1209.16 DOWNSTREAM NODE ELEVATION - 1207.50 FLOWLENGTH(FEET) - 90.00 MANNINGS N .013 ESTIMATED PIPE DIAMETER(INCH) 18.00 NUMBER OF PIPES i PIPEFLOW THRU SUBAREA(CFS) 4.13 TRAVEL TIME (MIN. ) _ .22 TC (MIN. ) 12.91 FLOW PROCESS FROM NODE 150.10 TO NODE 150.10 IS CODE 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( sessssaseasseseszasasssasazssssssasczaax= xmaaassseassasassssaaaxxaxaaxxxa =zs CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) - 12.91 RAINFALL INTENSITY (INCH. /HOUR) - 2.90 TOTAL STREAM AREA (ACRES) = 1.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.13 v CONFLUENCE INFORMATIONS STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 9.36 15.87 2.558 2 4.13 12.91 2.896 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULAtSBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWSS 13.00 11.74 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWSS RUNOFF(CFS) - 13.00 TIME(MINUTES) 15.872 TOTAL AREA(ACRES) = 6.50 FLOW PROCESS FROM NODE 150.10 TO NODE 150.20 IS CODE 6 )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( sss:srss sssssasssssssssasaass assesses =sxss- ssssssss =ass= =sass UPSTREAM ELEVATION 1207.50 DOWNSTREAM ELEVATION = 1205.40 STREET LENSTH(FEET) = 330.00 CURB HEIGTH(INCHES) S. STREET HALFWIDTH(FEET) - 24.00 STREET CROSSFALL(DECIMAL) - .8290 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 9 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 13.26 STREET FLOWDEPTH ( FEET) _ .63 HALFSTREET FLOODWIDTH(FEET) - 16.78 lV� AVERAGE FLOW VELOCITY(FEET /SEC.) - 3.12 PRODUCT OF DEPTH&VELOCITY = 1.95 STREETFLOW TRAVELTIME(MIN) - 1.76 TC(MIN) = 17.64 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.402 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7190 SUBAREA= AREA(ACRES) _ .30 SUBAREA RUNOFF(CFS) _ .52 SUMMED AREA(ACRES) 6.80 TOTAL RUNOFF(CFS) = 13.52 END OF SUBAREA STREETFLOW HYDRAULICS1 DEPTH(FEET) = .63 HALFSTREET FLOODWIDTH(FEET) = 16.78 FLOW VELOCITY(FEET /SEC.) - 3.18 DEPTH *VELOCITY 1.99 FLOW PROCESS FROM NODE 150.20 TO NODE 150.20 IS CODE = i )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ssss sassassrsssasasssas astx= sss ossssos= sassssssss sasxsssssassss == sssx =sss =aa= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) 17.64 RAINFALL INTENSITY (INCH. /HOUR) 2.40 TOTAL STREAM AREA (ACRES) = 6.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 13.52 FLOW PROCESS FROM NODE 140.30 TO NODE 140.30 IS CODE 2 )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( a= asxssss:= assssasssssssssxxxssasx= xasooa- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC - K *C(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 450.00 UPSTREAM ELEVATION - 1211.30 DOWNSTREAM ELEVATION - 1208.12 ELEVATION DIFFERENCE r 3.18 TC = . 393* C ( 450.00 * *3) / ( 3.18) ] * *. 2 = 12.173 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.000 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7452 SUBAREA RUNOFF(CFS) = 2.68 TOTAL AREA(ACRES) - 1.20 TOTAL RUNOFF(CFS) = 2.68 FLOW PROCESS FROM NODE 140.30 TO NODE 150.20 IS CODE = 3 )))> )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 7.6 f, UPSTREAM NODE ELEVATION = 1208.12 F (FEET) ELEVATION 89. 00 1 MANN I NGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES i PIPEFLOW THRU SUBAREA(CFS) = 2.68 TRAVEL TIME (MIN. ) _ .18 TC (MIN. ) 12.35 FLOW PROCESS FROM NODE 130.20 TO NODE 150.20 IS CODE = 1 ))))) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( sass :sssrssasaszs: assess: ss sasssssss= ssxx: ss: ssssss=ssssmsssxssssssxs = sae = == CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) 12.35 RAINFALL INTENSITY (INCH. /HOUR) = 2.97 TOTAL STREAM AREA (ACRES) - 1.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 2.68 CONFLUENCE INFORMATION: STREAM RU40FF TIME INTENSITY �. NUMBER (CFS) (MIN.) (INCH /HOUR) 1 13.52 17.64 2.402 2 2.68 12.35 2.974 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWSs 15.69 12.15 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWSs RUNOFF(CFS) - 15.69 TIME (MINUTES) 17.636 TOTAL AREA(ACRES) - 8.00 FLOW PROCESS FROM NODE 150.20 TO NODE 141.00 IS CODE 6 ))) >) COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( arsaraesaass= =near :ssssasssxassssss=ss =m x== xxxx= ss= asssssx= x- as= sxoa == m= s= ea.:. ==axa UPSTREAM ELEVATION 1205.40 DOWNSTREAM ELEVATION 1204.70 STREET LENBTH(FEET) 270.00 CURB HEIGTH(INCHES) 8. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0290 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) 16.09 NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE �RRKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH ( FEET) = ". 77 /` HALFSTREET FLOODWIDTH(FEET)- 21.59 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.32 G PRODUCT OF DEPTH&VELOCITY = 1.78 STREETFLOW TRAVELTIME(MIN) = 1.94 TC(MIN) - 19.58 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.256 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7106 SUBAREA AREA(ACRES) _ .50 SUBAREA RUNOFF(CFS) _ .80 SUMMED AREA(ACRES) 8.50 TOTAL RUNOFF(CFS) - 16.49 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .77 HALFSTREET FLOODWIDTH(FEET) = 21.59 FLOW VELOCITY(FEET /SEC.) - 2.38 DEPTH *VELOCITY = 1.82 FLOW PROCESS FROM NODE 141.00 TO NODE 141.00 IS CODE 1 ---------------------------------------------------------------------- - - - - -- )> )))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( sasss== ss ars: sas ssssssss: sa== sssasas= ssacas sssa= aes =:= c== =_________== == =s == == CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE 2 9 196 TIME OF CONCENTRATION(MINUTES) 19.58 RAINFALL INTENSITY (INCH./HOUR) = 2.26 TOTAL STREAM AREA (ACRES) = 8.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 16.49 R�C► FLOW PROCESS FROM NODE 140.20 TO NODE 140.90 IS CODE = 2 ---------------------------------------------------------------------- - - - - -- I i i ) MH I I UNHL METHUD INITIAL SUDH KLk ( 14HLYS I S (((( ( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC - K *E(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL. SUBAREA FLOW- LENGTH - 1000.00 UPSTREAM ELEVATION - 1221.00 DOWNSTREAM ELEVATION = 1209.00 ELEVATION DIFFERENCE = 12.00 TC = . 393* E ( 1000.00 * *3) / ( 12.00) ] * *. 2 = 15.070 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.639 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7308 SUBAREA RUNOFF(CFS) = 15.05 TOTAL AREA(ACRES) = 7.80 TOTAL RUNOFF(CFS) = 15.05 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.90 TO NODE 141.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 14.2 UPSTREAM NODE ELEVATION = 1209.00 DOWNSTREAM NODE ELEVATION 1204.70 FLOWLENGTH(FEET) = 80.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 15.05 TRAVEL TIME (MIN. ) _ .09 TC (MIN. ) = 15.16 FLOW PROCESS FROM NODE 141.00 TO NODE 141.00 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ssssssasassssasas: ass= sss= x= ssasssxs= os= xssnxaxa== sxxssssso= === ososss== oss = == CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.16 RAINFALL INTENSITY (INCH. /HOUR) = 2.63 TOTAL STREAM AREA (ACRES) = 7.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 15.05 FLOW PROCESS FROM NODE 140.70 TO NODE 141.00 IS CODE = 2 )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *E (LENGTH * *3) / (ELEVATION CHANGE) ] * *. E INITIAL. SUBAREA FLOW- LENGTH = 450.00 UPSTREAM ELEVATION = 1 208.00 DOWNSTREAM ELEVATION 120 3.30 TC = . 393* E ( 450.00 * *3) / ( 3.30) ] * *. 2 = 12.083 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.013 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7456 SUBAREA RUNOFF(CFS) = 2.02 TOTAL AREA(ACRES) _ .90 TOTAL RUNOFF(CFS) = 2.02 FLOW PROCESS FROM NODE 141.00 TO NODE 141.00 IS CODE = -- ---------------------------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) 12.08 RAINFALL INTENSITY (INCH./HOUR) = 3.01 TOTAL STREAM AREA (ACRES) _ .90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 2.02 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 16.49 19.58 2.256 2 15.05 15.16 2.629 3 2.02 12.08 3.013 ------------------------------------ FLO To cp s -21 FLOW To �6, T -3 2- FLOW TO ca T -30 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 30.91 29.58 24.19 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 30.91 TIME(MINUTES) = 19.576 TOTAL AREA(ACRES) - 17.20 FLOW PROCESS FROM NODE 141.00 TO NODE 140.00 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA < < < << )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) < <( << ss - s - ssa =s := = :s sax= ass: as= saxsssasxox== naaxxaaxmassxs= ssaxaxxxoscooso == c = = = =x DEPTH OF FLOW IN 39.0 INCH PIPE IS 30.1 INCHES PIPEFLOW VELOCITY (FEET /SEC.) - 4.5 UPSTREAM NODE ELEVATION = 1204.70 DOWNSTREAM NODE ELEVATION - 1204.50 FLOWLENGTH(FEET) - 120.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 30.91 TRAVEL TIME (MIN. ) - .44 TC (MIN. ) = 20.02 FLOW PROCESS FROM NODE 140.00 TO NODE 140.00 IS CODE = 1 ---------------------------------------------------------------------------- ))•)))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ss- ssassxxsssam= xxs: s: xsss= ssaxmxx== x= x=== o==== s= xx= x=== xxxs= o=== x=== x = = =o =f CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 20.02 RAINFALL INTENSITY (INCH. /HOUR) = 2.23 TOTAL STREAM AREA (ACRES) . = 17.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE _ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER - - -- (CFS) - - - -- (MIN_) - (INCH /HOUR) -- - - - - -- 1 30.91 20.02 2.226 z 919a 30.91 R RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 30. 91 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 30.91 TIME(MINUTES) = 20.020 TOTAL AREA(ACRES) = 17.20 END OF RATIONAL METHOD ANALYSIS 2 9 ti866 96 aE � 2 4 19a� RE' RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (BBC) 1983 HYDROLOGY MANUAL <<<<<<<<<<(<<<<<<<(<<<<<<<<<<<<<<<<( <<>>>>>>> > > > > > > > > > > > > > > > > > >) >)) >))))) >)> (C) Copyright 1982 Advanced Engineering Software CAES] Especially prepared for: HALL & FOREMAN, INC. * * * * * * * ** *DESCRIPTION OF RESULTS * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** * FOOTHILL DRAIN HYDROLOGY, WEST HERITAGE (LATERAL H) * 0 100, NODE 140.6 TO 140 * AHMED SHEIKH, J. N. 3366, 12/2/86 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** -- USER - SPECIFIED - HYDROLOGY - AND - HYDRAULIC - MODEL - INFORMATION: USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE _ .6000 BBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software [AES] SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.61 TO NODE 140.60 IS CODE = 2 ---------------------------------------------------------------------------- - - )) )))RATIONAL METHOD INITIAL - SUBAREA - ANALYSIS < <((< ------------------ - - - - -- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 980.00 UPSTREAM ELEVATION = 1221.00 DOWNSTREAM ELEVATION = 1208.62 TC = .393*1( 980.00**3)/( 12.38)3**.2 = 14.796 100.00 YEAR RAINFALL INTENSITY(INCH/HDUR) = 3.405 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7576 SUBAREA RUNOFF(CFS) = 3.113 TOTAL AREA(ACRES) = 1.20 TOTAL RUNOFF(CFS) = 3.10 FLOW PROCESS FROM NODE 140.60 TO NODE 140.60 IS CODE = I ---------------------------------------------------------------------------- )>)))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I ARE: TIME OF CONCENTRATION(MINUTES) = 14.80 RAINFALL INTENSITY (INCH./HOUR) = 3.41 TOTAL STREAM AREA (ACRES) = 1.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.10 FLOW PROCESS FROM NODE 140.50 TO NODE 140.50 IS CODE = 2 --------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*C(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 650.00 UPSTREAM ELEVATION = 1218.00 DOWNSTREAM ELEVATION = 1209.50 ELEVATION DIFFERENCE = 8.50 TC = .393*[( 650.00**3)/( 8.50)3**.2 = 12.469 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.773 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7667 SUBAREA RUNOFF(CFS) = 8.68 TOTAL AREA(ACRES) = 3.00 TOTAL RUNOFF(CFS) = 8.68 FLOW PROCESS FROM NODE 140.50 TO NODE 140.60 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(<((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.4 UPSTREAM NODE ELEVATION = 1209.50 DOWNSTREAM NODE ELEVATION = 1208.62 FLOWLENGTH(FEET) = 90.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = I PIPEFLOW THRU SUBAREA(CFS) = 8.68 TRAVEL TIME(MIN.) = .23 TC(MIN.) = 12.70 FLOW PROCESS FROM NODE 140.60 TO NODE 140.60 IS CODE = 1 ---------------------------------------------------------------------------- )))>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )>)>)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.70 RAINFALL INTENSITY (INCH./HOUR) 3.73 e• �e•, r�r�rae• x�• xx�, e•, ex+ txaear«•, exx«• xxxx+ rx•+ rxxxxxxx• xxxxx«•, rx�tx• x�rx, rx ,rxxxxxat•xxxx•xx+rxxarxxxxx•xx FLOW PROCESS FROM NODE 331.00 TO NODE 331.00 13 CODE = 3 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( -- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) — RAINFALL INTENSITY (ZNCH. /HOUR) a ie.61=. TOTAL STREAM AREA (ACRES) — 11.60 TOTAL STREAM RtNlOFF (CFS) AT CONFLUENCE = E:?. 47 xxxae• xx• xx�exxxx�xat• a�x+ e•+ rx• x�rx+ e• �xaru• xxxx�xxx• xxxxirxao-xxxxxxxxxx�rxxx�rxie •x+exxxx•�:•+rxxxxxxx FLOW PROCESS FROM NODE 131.10 TO NODE 131.: •@t IS CODE _ )) >))RATZ METHOD INITIAL SUBAREA ANALYSZS((((d s asses saaaas :srtasassa :ar. mssarsaaeasamar saasasaaaorsaarara aaasasassmesasacaaassarmrsasssa.=sas= ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC — K.x E (LENGTH -**3) / (ELEVAT ION CHANt'aE) 2 **. INI'T ZAL SUBAREA FLOW— LENGTH — 550. OB UPSTREAM ELEVATION - 1:17. 142 DOWNSTREAM ELEVATION — 3:13 5. eke ELEVATION DIFFERENCE — c.le TC +* . 393x1 ( 554B. t 0**3)/ ( :.. ley ]xx.,=: — 14.919 21 5.042t YEAR RAZNFALL ZNTENti ZTY ( INCH /HOUR) — 2'_.655 SOI CLASSIFICATION IS "A" SZNGLE— FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT — .7316 SUBAREA RUNOFF (CFF = 4.66 TOTAL AREA (ACRES) •_ a.40 TOTAL RUNOFF (CFS) = 4.66 H xx xx• xisxxx+ rxr.• xxxxarx+ rx+ c •+c•ir+exx,t+e•xirxxxxxxirx�rr. xx�rxxxx+ rxxie• x+ e•+ e+ rx+ rxx�e• xx.rxxxx•K•�e•�e•�e•+e•+ex+►�e• FLOW PROCESS FROM NODE 131.:0 TO NODE 131.00 IS CODE x 3 )))))COM PIPEFLOW TRAVELTIME THRU SUBAREAd({d< )))))USING COMPUTER— ESTIMATED PZPESI E (NON— PRESSURE FLOW) (d{!{ aaasas•aaasasr ssaaesa sea sasrr areaasesrs saraam a: s• smsseeasasaaaaazaara .srsarsasra:�assaaraxrssa s saasaaaaras ESTI WiTED PIPE DIAMETEP / INCH) INCREASED TO 18. DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.5 INCHES PZPEFLOW VELOCITY(FEET /SEC.) •= 5.7 UPSTREAM NODE ELEVATION — I ;F 1 5. 0tc''a DOWNSTREAM NODE ELEVATION = lZ14.00 FLOWLENGTH(FEET) = 100.00 M04NNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18. NUMB OF PIPES s 1 PIPEFLOW THRU SUBAREA(CFS) = 4.66 TRAVEL TIME/MIN.) r .es TC(MIN.) :z 15. iE71 xxre• xxxxxx+ cxxxx• t• x• xsrxxxirxx• rrxie• xxxxx• �► xxxxxxxxxxxxxxxxxxxxxx�rxx •iexxxxxx•�rxxx•�exxxx FLOW PROCESS FROM NODE 133. 80 TO NODE 131.00 19 CODE s 3 ) ) ) ) ) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ( ( ( ( ( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES < - << ( assx acas szsasassssas�- r+ ssasasmm•.=. sss ssaasassasasas =srssmcaeaesaassasmse_ asssss•asasasssassrsrs.: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM ARE: ( 10 TIME OF CONCEN T PAT I ON :MINUTES) — 15.071 RAINFALL INTENSITY (ZNCH. /HOUR) 2.6a TOTAL STREAM AREA (ACRES) — ie. TOTAL STREAM RUNOFF 4CF8) AT CONFLUENCE = 4.66 CONFLUENCE INFORMAT STREAM RUNOFF TIME INTENSITY --------------------------------------------------------------------- 1 iii . .4 7 15. ii's 6&-4 i -4.66 1 5. E 3 %. 6i 4 RAINFALL INTENSITY AND TIME OF CONCENT RATI FORMULA(SOC) USED FOR E STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: &7.13 E7. 1E1 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF 4 CFS) a E7.13 T IME 4 M I Nt tTE 3) i # 5. i 3 e TOTAL AREA (ACRES) - 1-4. aeasara! aru araearar�ta- aratarae•at ae ara►. ae•ar arar ar ararararararararar ar ararararararx•arar ar ar arar ar ar ar arae ararararararararar arar arat aearararararar+r ae•ar FLOW PROCESS FROM NODE t 3 # . 00 TO NODE 1 I S CODE , a 3 --------------------------------- --- -- ----------•---------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THR SU &AREA44444 )))) )USING COMPUTER- ES PIPFSIiE (NON - PRESSURE FLOW) 4 4 4 4 4 isariiaisissssa asaismasrassmararasaisasaa sa aaam ass assra:a aaaaram :aaaa amssmaai assararssr s DEPTH OF FLOW IN 2-7.0 I NCH PIPE IS E0.3 INCHES PIPEFL.OW VELOCITY4FEET /SEC.) - 6.5 UPSTREAM NODE ELEVAT - l #fi. DOWNSTREAM NODE ELEVATION - f Oe.00 FLOWLENSTH 4 FEET) r 610. 00 MANNI NGS N r .013 ESTIMATED PIPE DIAMETER4INCH) a E7.00 NUMBER OF PIPES t PIPEFLOW THRL+ SUBAREA4CF5) r ::7.23 TRAVEL TIME4MIN. ) a #. EE TC4MIN.) a 16.44 asae•araaaratx•arararara ►arr. aearx•arar�e. rat+ �r.. r, rarax•«• irx• �, rx• �t• irx• x• x•+ rx• trirx• x• ir. r• r�• �cir+►+ r.!+ rx• ir+ r�x• it +rx•+rxx•x•x•x•rt•+s•+r+e+rx•x• FLOW PROCESS FROM NOME 13e.00 TO NODE 1 3e.00 I S CODE z # ---------------------------.---------.----------------------------------- - - - - -- ))))) DESIGNATE INDEPENDENT S TREAM FOR CONFLUENCE 4 4 4 4 4 saarrmaasrsssasrarrsrassrs .-srtrrasrrrrsrsrcrasres ss xsarsa�+ sisrrsrr: ssssaarasrssa ..asa_asersssrrrsrarax CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRAT ION 4MI NUT ES) - 16.4.4- RAINFALL INTENSITY 4INCH. /HOUR) _ .':. 51 TOTAL STREAM AREA /ACRES) r 14.00 TOTAL STREAM RUNOFF 4CFS) AT CONFLUENCE a E7. 13 Kie•+e- x•+r�e••n•�r •�e x x�r x x• •K• r. �r x• x• it +e• x•x•r. arse• •r.• r. x•x x•+rx•+r+r •�r x• x• x � � x•*rir+e+r •►e•r. +rir x• x••rr+a x•ar•►s x• •rr+� �e•�r�r+r is x•ar � x• �r x•+rx•+t+e•+e� FLOW PROCESS FROM NODE 140.a0 TO NODE 13e.00 IS CODE a E )))))RAT METHOD INITIAL SUBAREA ANALYSIS4q { {q 5--. ii'idt.�R'SAddriCS =r�'r.A rr TrrSCS.�:FA'.7C.f.S1r.Srr. =.m'i TATr.9iSr.Sr.S.�r.r 5..� �r�, r.:irS.iTrriS�i�iSi�r rr.RSSwr ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 41.4 ACRE) TC - Kx C 4LENGTHar•x3) / 4ELEVATION CHANGE) I**. ; INITIAL SUBAREA FLO LENGTH = 1500.00 UPSTREAM ELEVATI • liel 7. 00 DOWNSTREAM ELEVATION - 1 06.00 ELEVATION DIFFERENCE = 9.00 TC . 393art ( 154 "t0. fe0**3) / 4 9. ato.v 3+►ar, eel. 359 .x.5.00 YEAR RAINFALL INTENSZTY4INt_H!HOUR) - E.eO3 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOS) RUNOFF COEFFICIENT = .7073 SUBAREA RLtNOFF S CF 3) e. al TOTAL AREA4ACRES) 1.80 TOTAL RUNOFF4CFS) a e.61 K awarar arx• arx•ae ar x ae• ae x•arar ar+r ar ar ar x arar ar ar ar arar arararar+r ar ararar arar ararao- ar arar ar ar ar ar x•at x ar ar ar ararar ar x ar ar ar ar ar arar ar ar x•arar x•r. x• FLOW PROCESS FROM NODE 13 . 00 TO NODE 13i'.. 00 13 CODE � 1 CONFLUENCE VALUtS USED F UR i msit TIME OF CONCENTRATION(MINUTES) - C-0.36 RAINFALL INTENSITY (INCH. /HOUR) = B.EO TOTAL STREAM AREA (ACRES) a 1.80 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = E .81 aair�r+r�!•ar�r�►•k�r+ rime. rxK�xx��r�r+ r�r +rair��t••Kee•�t ire+a�+��c•+ sic• �rir�+ rie�r�a�ir�r�fr�rae�e• �r�ira�iririeaeu •u•+r��r�rir♦e•a�.e•ar+rie• FLOW PROCESS FROM NODE 13:.30 TO NODE 13ie.30 IS CODE )) > > >RATI ONAL METHOD INITI SUBAREA ANALYSZS(f((( ssss sasaswara�asa r =ss :sasasessssasvasasrAr Awimsssssasa. .=sam+ :sass sraasss�essssaassaaesaswr ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS.- SINGLE FAMILY (3/4 ACRE) TC - X*C (LENGTH**3) / (ELEVATION CHANGE) 3**. INITIAL SUBAREA FLOW -- LENGTH - S::eZ0.00 UPSTREAM ELEVATION = 3;_ 17.30 DOWNST ELEVAT r 1& 09.50 ELEVATION DIFFERENCE = 7.60 TC - . 393* C ( 5 0. oet**3) / ( 7. 60) 3 **.:: - 11.153 .95.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 3. #6&F' SOIL CLASSIFICATION IS "A" SINGLE - FAMILY ( # /di ACRE LOT) RUNOFF COEFFICIENT = .7505 SUBAREA RUNOFF (CFS) _ 11.15 TOTAL AREA (ACRES) = 4.70 TOTAL RUNOFF(CFS) m 11. 15 K�e•�t�• u•r. +r+t x•�t+rar,rar+r�+rar+e•w•+r� is �s is+t•�t ♦t•ir�c+t �e•rr �e•it•+ tie• tt+e•♦e•ir ie �+e+e ie••ic• � tt•x•r. ir+r+e irn•ie,rrr+� ar+e•�r irar •�••K ir+r ♦e•ie• ir,r,e•,c r. FLOW PROCESS FROM NODE 1 32. 30 TO NODE 1 3a. 4 0 1 9 COME = 3 ---------------------.--_.-____-_-._----------------___...____-_--____________--- > > > > > COME : PIPEFLOW TRAVELTIME THRU SUBAREA (((d ( > > > >)USING COMPUTER - ESTIMATED PIPESIIE (NON- PRESSURE FLO4t)((((( J!= a!' iTA-----= 3e'm ai=. S--- SiS. Tf---- iamdi---- Tlfii'i---- .R=i4ie9t'Ji- ---C =i ----- .tSX-- -- ---- -- �- -- DEPTH H OF FLObar I N Eqs. 0 I NC:•H PIPE I S # 5. 0 INCHES PZPEFLOW VELOCITY(FEET /SEC.) - 5.4 UPSTREAM NODE ELEVATION - 1209.50 DOWNS T REF ?sit NODE ELEVATION n 3 E*09. 00 FLOO)LENCITH r 100.00 MANNING +S N - .013 ESTIMATED PIP -8 DIAMETER(INCH) _ .^.4.00 NUMBER OF PIPES � # PI FEFLOW THRU SUF:AREF•r (CFS) 11.15 TRAVEL TIME(MIN.) = • .31 TC(MIN.) m 11.46 iF•K• it a►�t•fir.• ar re 4t V. 4t it.a.* ae*•r. iew•re ♦t• is 9r , ie1tt asasit at at•it•t isrt at �► 4F x• it ie• FLOW PROCESS FROM NODE # 3E. 0 TO NODE 13Z.40 Is CODE f3 > > > > >APDITI OF SUBAREA TO MAINLINE PEAK FLOWd(((( s.= sae.= arsssaaesaaess .�assmsasarraassaasasssrzsaa� asarsaaam+. sasm.=s: mm. �. �e. �. ra ssas�•a.:.�aassas•s :sffissmaa�a+ LFR5.040 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.110 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY /4 ACRE LOT) RUNOFF COEFFICIENT A .7489 SUBAREA AREA (ACRES) s 3.30 SUBAREA RUNOFF (C:FS) m 7. 6:.+ TOTAL AREA (ACRES) = B. 00 TOTAL RLINOFF (CFS) = 1 8. 84 TC(MIN) - 13.46 �r •k•it 1• n•+t•+r+r.•u•arat•+�+� arec• •e•��r�e•+r+e �t• ar it+e•+t �r �e•�e• •u•�r+e•+r ir+t •K �t+t•rr+e it ar�t�e�e it irx•+r�r+c• �+t �t+e+e it �t• �r it•+t it it year K�e+e�•k�r� �r �+r *• FLOW PROCESS FROM NODE 3 32�. 40 TO NODE i3 e. 00 I S CODE 3 > > > >) COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<< < > >) >) USI NG COMPUTER- -EST I MATER PI PES I ZE (NON-PRESSURE FLOW) (((( ( araaeaeararr =sr.�srmmazrmsrsraem•sa: sa• ar== sssmaarras ass ssm= m: srmaarisrarar =srrasssrssaraa DEPTH OF FLOW I e4.0 INCH PIPE IS 1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.9 UPST NODE ELEVATION - # 09. 00 FLOWLENGTH (FEET) = 100.00 ru4NNl fquks N i .40 ESTIMATED FIFE DIAMETER4ZNCH) a E4-80 NUMBER OF PIPES i # PIPEFLOW THRU SU&AREA(CFS) _ le.$4 TRAVEL TIME (MIN. ) a . i1 TC 4MIN.) +R 11.67 ae•rtKar�t+t��t+ex•�e+rata�•�r �• �• ae• �e• �t •+ruae+titira•it•+t•+airie+tre ar+tw•u�e•+r�ar K ie•ir� x+e•+�it•ae•ac ar �e•�t+tir+rit•t star •r�e•♦ru•♦t•�•rr ie•ir+r�e••K••K+� FLOW PROCESS FROM NODE 13L.00 TO NODE 1322'. 00 1S CODE m # ----------------------------------------------------------------------------- ))) ?)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES4(44( as assaaassassissimissiiisiiisiiis ssamsiimiiamssiomaearsmssiiamim lm ismssssaanria CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENT 11.67 RAINFALL INTENSITY (INC-H. = 3.0a TOTAL STREAM! AREA (ACRES) ! 8.00 TOTAL STREAM RUNOFF 4CFSY AT CONFLUENCE *a 18. 49-4 CONFLUENCE INFORMATION: STREAM PL04OFF TIME INTENSITY NUMBER (CFSY 4MIN. Y (INCH/HOUR) ---------------------------------------------------------------------------- # 7.13 16.4 21.505 iE . 81 ee. 36 ie. ieet3 3 18. 11.67 3.076 RAINFALL INTENSITY AND TIME OF CONCENT RATIO FORMULA4SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 44.74 140.1fi 39.71 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF 4CFSY - 44.74 TIME 4MINUTESY ! 16.439 TOTAL AREAtACRESY = a3. BO �i►.•ae•it mar �tK tr+► ararx•x �trr+r � � u •ie••K• ir+r.• �►w•�e• �rx k r. n•�•+r�r ie•+s �t �e•it •ir •u••u• it x it ir+crt+t ar •r. �r at+e rt fr+e• •r. •� �• it•r. �c� ie•ie• �r �t n•ar+e•it it+r it FLOW PROCESS FROM NODE 33 .00 TO NODE 140.00 IS CODE = 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUE<AREA44444 )))))USING COMPUTER- ESTIMATED PIPESISE (NON- PRESSURE FLOWY44(4( =iaam�ilSXii 3' it ACS Sm S.Cm SiC:CS CTS S.9e' armaa•am SR.Si as.sl mm 4d'C'ilim! SS TSBiimiil.iT.3i!!lm.liSmi! =ias liiY. DEPTH OF FLOW IN 30.0 INCH PIPE IS e-4.4 I NCHES PIPEFLOW VELOCITY4FEET /SEC.) - 30. UPSTREAM NODE ELEVATION •= lZ06- 00 DOWNSTREAM NODE ELEVATION ! 1::06. t0 FLOWLENOTN - 150.00 MANNIN ©S N = .013 ESTIMATED FIFE DIAMETER4INCH) 30.00 NUM&ER OF SWIPES 1 01 PE.FLOW T HRU SUBAREA I C:FS Y = 44. 74 TRAVEL TIME (MIN. ) _ . a-, TC (MIN. ) = 16-68 +c•w«•�•+e•as•+r� ie•+r a�ie•itaeie �tie•�e•ie�r�+e•+r+c •r r•+r ir+r +e•+r it+t+t+t ac ie•ir i►.•ie•ie•ie•ir•rr + r rr+•+e•+e+e•+c•+r , e•+e•+r �e•+t+e•�t•ir+t �s+r �•ie••K•x •K• � r «•re•K• u•ic �e• FLOW PROCESS FROM NODE 140. 00 TO NODE 1 4et. 04LI IS CODE ! 3 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE4(44( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES(4(44 mias sr.sarmaurs :sesmasrmislramivsra asa vrazl.arrimsaariarisr saT s!! s.s.a amssmars :sss= aT.ssiiiislalas CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE; TIME OF CONCENTRATZON(MINUTES) = 16.6£ RAINFALL INTENSITY 4INCH. / HOUR) = E. -4,9 TOTAL STREAM AREA 4ACRES) - e3.80 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE - 44.74 CONFLUENCE INFORMATION: STREAM RUNOFF 'TIME INTENSITY 2 4-4.7-4 2 6. 65 e. 4083 RAINFALL I NTENSITY AND TIME OF CONCENTRAT RATIO FORMULA USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: ® 74 COMPUT CONFLUENCE E9tTIMA'fES ARE AS FOLLOWS: RUNOFF 4CFS) _ -kfs. 74 TIME SMZN tTES) 16. TOTAL AREA tACRES t &3. Be rrrrasssasr =a�s.� =rs � aerasza+ arsssrsrranr :rsTrarraCarrsArrrr.Lisaa ara arrarrAs A="rr.'W's END OF RAT Y ONAL METHOD ANAL YS I S E we g 26"W40,vp gmet CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE JOB NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS 9/26/86 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LATERAL G (LINE B) icy * Q 1 oo * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3428 • (714) 641 -8777 + ors: as�awaaaaas + ++ :aaaasa + : + +a +a +a:aa :aaaaa + +a+ +aaaaa: +seas +sssassaaaaaaasssa RAT IONAL METHOD HYDROLOGY COMPUTER PROGRAM RASED ON SAN BERNARDINO COUNTY 4SRC) 3983 HYDROLOGY MANUAL sear a+: aassaasssasaasasssaassa + :ssaaaaasssssassasssassssarss +alas +ssasaa +ssaaa 4C) Copyright 1982 Advanced Engineering Software EAE92 Especially prepared fors HALL ! FOREMAN, INC. **********DESCRIPTION O RESULTS +rar�e�eu�ir�c�sar�ea�r��rK�eic �ar�rar�eK+ e+ r�riraee�ee�e�r�+r+aieeae�e�s�c * FOOTHILL DRAIN HYDROLOGY, LINE R — LATERAL G +t e Q 100 NODE 130.1 TO NODE 140 .t * AHMED at eir�r+r+t+tr. +r�r�r.r•k u+e �e+sR it+e ae�r�rar�r at+t ie �e+ rar+ c,r«ae�r«•w+e+e+r+e�treu+t+t itn•♦rit+r it+ rot •+toeae•+r+c�r+tat�rn•�t+r�ta �ieu�c �e�t �t USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT4YEAR) a 100.00 SPECIFIED MZNZMUM PIPE SZZE4ZNCH) a 18.00 SPECIFIED PERCENT OF GRADZENTS4DECZMAL) TO USE FOR FRICTION SLOPE _ .95 ® 18 —YEAR STORM 60— MINUTE ZNTENSITY4INCH /HOUR} .988 # eO- -YEAR STORM! 60—MINUTE: +TE Z NTENS I TY ( I NCH }HOUR) + 1.470 COMPUTED RAINFALL INTENSITY DATA.- STORM EVENT s # Oft+. Bet 1 —HOUR Z NTENS Z TY 4 Z NCH /HOUR) = 1.4700 SLOPE OF INTENSZTY DURATION CURVE _ . 6884 SE-CC HYDROLOGY MANUAL "C "— VALUES USED 4 f;{{4;{;;{{;{{{{;{{{;;{;{;{{{;{{;;{{{}}}}}>}} } } > >> > > } > >> >> > >} } > } } > } >) >} }> Advanced Encineering Software EAES2 SERIAL No. A8588A REV. 3.1 RELEASE DATE: 5/01/85 +t�e�t� �+tatit•+c+t•+t �t•r. �+t•ar �r �r� �e+t a ae � �r�r�r ae at �e•a+t •rie tt a• it arararir �ru•�•u at •r � arK ar�tK•�t+tirit ie+e+tr+r+r�t•�t � �t•at tt �aar+r�t•�t �t•rr FLOW PROCESS FROM NODE 138.18 TO NODE 138.18 IS CORE 2 > > >))RATZONAL METHOD INITIAL SUBAREA ANALYSZS44444 saaasaaaaes aaaaa: aaasaasaraaaaaanaaamaaaaaoaaaaasasaasasaasaasa :a: r :aeaaaaas +asraa=ar ASSUMED INITIAL SUBAREA UN IFORM DEVELOPMENT IS: SINGLE FAMILY 41/4 ACRE) TC = K*C (LENGTH**3) / 4ELEVATZON CHANGE) 2**. 2 INITIAL SUBAREA FLOW—LENGTH — 788.814 UPSTREAM ELE VAT Z ON 1235. 50 DOWNSTREAM ELEVATION #:?16.88 ELEVATION DIFFERENCE = 39.54ca TC = . 393* E 4 780. Oet -**3) / /. 19. 580 3 *+t. 2 = 11. 781 188.88 YEAR RAINFALL ZNTENSZTY4ZNCH /HOUR) - 3.984 SOIL CLASSIFICATION 19 "A" Q T ► um, r_r!'►4 T , %a. • t i AP+6 16 ttT l D, ,w,AG• J— ^ == T r T CFJT a J'G O/e TOTAL AREA(ACRES) = 3.50 TOTAL RUNOFF ( CFS) = 10.51 aeacacacar�rxacae+e�+� ar«•,ca� ��r arara�+ ear « ae�e�e+e+r�««� «•«• ae«•«• �ea��e• ae+ e�+ r+ e+ �+ �«•+ r+rae•,e•uu�+e�r+t+r��+r�rae+e ��rie «•«•ie•�c«,r FLOW PROCESS FROM NODE 230.20 TO NODE 130.20 IS CODE = 2 ---------------------------------------------------------------------------- ))) })DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE44444 ® sssssarssssss - - - - - ssssaasssssss=: asa sssssaassassssasas saa :assssaaaaa :ssm CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION44ZNUTES> - 11.74% RAINFALL INTENSITY 4ZNCH.!HOUR) R 3.90 TOTAL STREAM AREA (ACRES) = 3.50 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE = let.51 afar araeaea►.•aear acara! aearac iF ae ac ae atara! ae a! ar R ae ae ae N alaeae ae i! arleae a!a! ar ae arar a! ie arar ae ae w it ari! ae aear ae ie ar ae ar ar ac iral a! �l aracacalalar M ac FLOW PROCESS FROM NODE 1340. " TO NODE 134b. 10 IS CODE _ )))))RATZONAL METHOD INITIAL SUBAREA ANALYSZS44444 ssassssssssssssssssssssssssssssssssassssssssasssaas :sssssassssssssssssssssss ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (144 ACRE) TC = X*C (LENGTH**3) f (ELEVATION INITIAL SUBAREA FLOW - LENGTH = 75ek. GG UPSTREAM ELEVATION = 2E'I. GG DOWNSTREAM ELEVATION = tE26.00 ELEVATION DIFFERENCE - 5. SG TC = . 393* C ( 750. Oetae+e3) / 4 a 15. I G8 I400.80 YEAR RAINFALL ZNTENSITY(ZNCHIHOUR) = 3.363 SOIL CLASSIFICATION IS "A" SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7565 SUBAREA RUNOFF (CFS) = h. 07 TOTAL AREA(ACRES) a 2.6G TOTAL RUNOFFSCFS) = 4.07 aeaeacac acne aracar ac ar arse aeae�r ar at arar+c ar ar ar aearac aarie«•ar a ar at aeac x arar «•ar ar aeatar �t ar �e+e arae arse ar acar arar�c r. arac arse ar arae ac arararaear ar ar FLOW PROCESS FROM NODE 330. TO NODE 130. IS CODE I )))) >DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE44444 > >> > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES{ {(44 sssssssserssss: ssasssssseesassssssraesss asaaara+ sssasrssrssassarsr =sass•sysaas :as�ras►asssa sr CONFLUENCE VALUES USED FOR INDEPENDENT STREAM ARE: TIME OF CONCENTRATION(MINUTES) = 25.11 RAINFALL INTENSITY 4INCH.IH0UR) = 3.36 TOTAL STREAM AREA 4ACRES) - 1.60 TOTAL STREAM RUN0FF4CFS> AT CONFLUENCE - 4.07 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER 4CFS) 4MZN.) (ZNCHIHOUR) ----•-------------------------------------------------------------------- 2 I et. 5 1 1 2.74 3. 904 ie 4. et 15.11 3. 363 RAZNFALL INTENSITY AND TIME OF CONCENTRATZON RATZO FORMULA(S&C) USED FOR e STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS; 33.69 13.13 COMPUTED CONFLUENCE ESTZMATES ARE AS FOLLOWS: RUNOFF4CFS) = 33.69 TIME4MINUTES) = 11.762 TOTAL AREA4ACRES) = 5.10 acne aracaeaeaeaearararae acne ac ar aracae «•at ar acar ar arar aearac scar ae acar ae araearar«•+ ear «•+t•«•a arar at aear arse arar+e+e ae+e+r+eaear �e arw+eaeieae arse r`+r+e FLOC! PROCESS FROM NODE 130.10 TO NODE 130.50 IS CODE +r 3 )))) )COMPUTE PZPEFLOW TRAVELTZME THRU SUBAREA < < < < 4 )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) < <<4� ssssrsssssssasssssssssasassarrssrarsssassssrasssssssssssssasarasrassssrsraasa DEPTH OF FLOW IN 21.0 INCH PIPE IS 15.4 INCHES PZPEFLOW VELOCITY(FEETISEC.) a 7.2A UPST REAM NODE ELEVATION = 12 DClWNST REAM NODE ELEVATION a 1 i 18. 50 FLOWLENSTH WEFT) = 50. e5 MANNI NSS N = .013 13 ESTIMATED PIPE DZAMETER4 ZNCH) _ .^_1. SS NUMBER OF PIPES +� 1 PZPEFLOW THRU SUBAREA(CFS) a 13.69 TRAVEL T IME 4 M I N.) _ .11 TC 4 M Z N.) = 11.90 ilk i! 1lR�!• K �! i! �• �! �! �! �! � K• i! �! i! �! 1liF 1! �!•�F'1! �! �!• M •!k 1F i! 1hi! �! i! 1! i! M 1ti! K•�! 1! 1F it•i! 1! i! iF iF i! 1!1! �!•1!i! �! �! iFR �P 7! fit• 7! •1! �! �!•7! 1!•1! �F�F�! �! �!• FLOW PROCESS FROM NODE 130.50 TO NODE 130.50 IS CODE = 3 ---------------------------------------------------------------------- - - - - -- )))))DESZ®NATE INDEPENDENT STREAM FOR CONFLUENCE < < < << ssmsssasssssssssssarasssmssssss: m: ss sssssmsmsmsmssammmss +smssmmmsmssssssssmssaa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATIOWMINUTES) a 11.90 RAINFALL INTENSITY 4 ZNCH. /HOUR) = 3.849 TOTAL STREAM AREA (ACRES) = 5.10 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE = 13.69 ���ear pis u•�e•x�e •eae•ar+r•�rat•� at�ir�r�e K�r «•� �+e n•+e a+r at�r�r �rre•k ac• •�r�r+e�t+e•�r �sat+tae•�ru•�a �e�eir +ear �u•�e•ie �r�r+r it+e�r arit«•�r�t �e � FLOW PROCESS FROM NODE 130.30 TO NODE 130.50 IS CODE = E ---------------------------------------------------------------------- - - - - -- )))))RAT METHOD INITIAL SUBAREA ANALYSZS < < < << ASSUMED INITIAL St3RAREA UNIFORM DEVELOPMENT IS: SIN13LE FAMILY (114 ACRE) TC = K* E 4LEN©TH* -*3) 1 4ELEVAT ZON CHANGE) 3 **. INITIAL SUBAREA FLOW-LENGTH - 1000.00 UPSTREAM ELEVATION r 1235.50 DOWNSTREAM ELEVATION = 1::15.50 ELEVATION DZFFERENC.E a 2 TC = . 393+1 E 4 3 @te0. 0tli**3) 1 ( 2 400) 2 **. c - 1 3. 606 100.40 YEAR RAINFALL ZNTENSZTY4INCH/HOUR) r 3.583 SOZL CLASSIFICATION IS "A`• S Z NGLE- FAMILY 4 21 ACRE LOT) RUNOFF COEFFICIENT - .76Z& SUBAREA RUNOFF 4 CFS) _* 13.65 TOTAL AREA(ACRES) = 5. 88 TOTAL RUNOFF 4 CFS) 13.65 ��a �t•ae�e•ae�•�e�e *•ar�ra•re � ae �r� arae K � K� �e•�t� x � ara •K r. •a•ac•�r w �e u•�r�r � uar •r � x K �r•k+e •e r. ie•is �tk � �r �e+rn+e+e+t �rie•+e •r �t ie•+e�r+e+r FLOW PROCESS FROM NODE 130.50 TO NODE 130.50 Z S CODE a 1 ---------------------------------------------------------------------------- )))))DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE4 < < << )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES4 sas rsssssasssssaasr eraarassseasaeasss sssssaxraarssssa sas rsa rsaara r rrrarsrsssasrsasassrrrr CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE: TIME OF CONCENTRATION4MZNUTES) - 33.63 RAINFALL INTENSITY 4 ZNCH. 1HOUR) = 3.58 TOTAL STREAM AREA 4ACRES) = 5.00 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 13.65 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER 4CFS) 4MZN.) 4 ZNr- ""HOUR) - - - - -- - - - - -- ----- - - - - -- - - - -- ------------------------------------------------ 1 13.69 11.90 3. 88 3 .t 13.65 13.61 3.583 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: e5. 6e 2*6. &27 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF ( CFS) _ e6. E7 TIME (MINUTES) 13.606 TOTAL AREAS ACRES) = t 0. 10 + e«• K+ r+ t�«• �+ t�raea�aeaca«•«•+ eic«• �r�►«•«•«• �rae���e«•«• �e�c+ e+ �+ r+ o-�r «•+c«•���«•«•�r«•�r+ea�ar«•+r«• arm+ e+e�e+�+�«•«•+e�e���+��r«•�eK «• FLOW PROCESS FROM NODE 130.50 TO NODE 130.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLQW TRAVELTIME THRU SUBAREA(( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ((<(< saeaeassssararsa :a :sassae asaera•+ee+r asa•sneaaeearasaa waarsarssaaraeaararae• a a a saaersara sass aaaaaaasaa :s DEPTH OF FLOW IN 33.0 INCH PIPE IS &23.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.8 UPSTREAM NODE ELEVATION = 1&235.50 DOWNSTREAM NODE ELEVATION = 1 &214.80 FLOWLENGTH ( FEET) _ 42'00. 00 MANNI NGS N = . 613 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PI PEFLOW THRU SUBAREA ( CFS) _ 21'6. £?7 TRAVEL TIME (MIN.) _ . 513 TC (MIN.) = 14.18 aaraaraaaaaaaaaaa�raaa «•«•«•«• sass«• aaaaaaaaaaaaaaaaa�t+ e«•«•+ e«• �c�t+ r«•«• ie« �r« •re•�r�r�t�ea��eie�e�«•+�+�«•r. FLOW PROCESS FROM NODE 130.00 TO NODE 130.00 IS CODE 1 ---------------------------------------------------------------------- - - - - -- !))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(( < <( sasars�rssaaasss :sssssassaassmsarassaa: assess: eases: asaaasssaaaaaaraaassaasaasasara CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) 1.4.18 RAINFALL INTENSITY (INCH. /HOUR) 3.49 TOTAL STREAM AREA (ACRES) = 10.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE _ 6.C FLOW PROCESS FROM NODE 135. eO TO NODE 130. 00 I S CODE _ &2 ----------------------------------------------------•------------------------ )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS < << << sss* sssssssssssssmsams=:: ss+ rsssssssasssQa : :sssssssssas : :ss ssssssssssrmassss : ss ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 41/4 ACRE) TC = Ka [ (LEN6TH41*3) / (ELEVATION CHANGE) 2**. &2 INITIAL SUBAREA FLOW- LENGTH = 650.00 LW-"STREAM ELEVATION = 12118. 00 DOWNSTREAM ELEVATION = 1 � 14. B0 ELEVATION DIFFERENCE = 3.20 TC = . 393a f ( 650. 0et*'*3) / ( 3. g0) jaa, a 15.159 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 3.356 SOIL CLASSIFICATION IS "A" SIN ©LE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT - .7563 SUBAREA RUNOFF <CFS) m Ell. 03 TOTAL AREA (ACRES) _ .80 TOTAL RUNOFF (CFS) = 21.03 ac�r«•aa«•r.«• air+ ��e�eae��t��«• �e«•«•+ eie«•«• xa«•«• �►«• �«•«•+ eie ♦t•k+e��«•�c+e«•«•arirar«•«•«• attar«• ie«•« •a+�«•+eie�t�e�t+e«•+eic��t FLOW PROCESS FROM NODE 1 TO NODE 130.00 IS CODE 1 0 --- _-..---------------------------------------------------------------------- !)!))DESI ©NRTE INDEPENDENT STREAM FOR CONFLUENCE < < <r smrsmasmsasmsasmsssaasasssss+ sssaaeaeass: ssmssaaassaaass sassaassssmassmmsassssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 21 ARE: TIME OF CONCENTRATION(MINUTES) = 15.16 RAINFALL INTENSITY (INCH. /HOUR) = 3.36 TOTAL STREAM AREA (ACRES) _ .80 rnriat iRTOcAN RUNOFF ICFS) AT CONFLUENCE - RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRtl �FiF1l 1F�!• R1l �F�l RiFi !•R1F�FRRRRRRRRRRRRRRRRRRR FLOW PROCESS FRO NODE 338.48 TO NODE 138.00 IS CODE ---------------------------------------------------------------------------- )))))RATIONAL ME THOD INITIAL SUBAREA ANAL.YBIS < << << sssassssssasassssasa�sssassss: ssssas ssssssasss aasssaaassassasaesaaeasasa 'ssssaassa ASSUMED INITIAL SUBAREA UN IFORM DEVELOPMENT ISs SINGLE FAMILY (314 ACRE) TC •= KRE (LENGTHRR3)1 (ELEVATION CHANGE) 2* . E INITIAL SUBAREA FLOW - LENGTH a a88. eet UPSTREAM ELEVATION = t: t DOWNSTREAM ELEVATION = f % 4 . ate! ELEVATION DIFFERENCE = 3.70 TC - . 393R f 4 a+0. QkORR3) } 4 3.8) 3R+t.:' = 36.679 388.88 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.369 SOIL CLASSIFICATION IS "A" SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .758a SUBAREA RUNOFF (CFS) 1.67 TOTAL AREA< ACRES) r . TOTAL RUNOFF(CFS) 3.67 R1l R�tRRRRRRRRRRRK- RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR FLOW PROCESS FROM NODE 230.80 TO NODE 338.80 IS CODE 3 ---------------------------------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < <<4 )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES < < < << ssssss: srsr= ssrsssr: rss: rrrssssassssarsrssssssrsraerarr +r :s=rrrrra=rasrsrsrrr= CONFLUENCE VALUES USED FOP} INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) +r 16.68 RAINFALL INTENSITY (INCH. /HOUR) = 3.17 TOTAL STREAM AREA !ACRES) _ .70 ® TOTAL STREAM RUNOFF<CFS) AT CONFLUENCE - 1.67 I CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER <CFS) !MIN.) <INCHIHOUR) ----------------------------------------------------------------------- - - - - -- 3 efi.: 7 14.16 3. a. 03 15.16 3. 356 3 2.67 16.66 3. 3 69 RAINFALL INTENSITY AND T IME O CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: i9. 'S9 a. ?9 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUt4OFF(CFS) _ es.59 TIME!MINUTES) = 14.184 TOTAL AREA !ACRES) = 3 3 . 64.1 Ri!• RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR�I RRRRi! iFRRRRRRRR� IitRR�!•RRRRRiIRRRRRRRRRRRRRRR FLOW PROCESS FROM NODE 330.80 TO NODE 133.80 IS CODE = 3 ---------------------------------------------------------------------- - - - - -- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUEfAREA < <( << )))))USING COMPUTER- ESTIMATED PIPESIZE !NON- PRESSURE FLOW) < << << ssssssasss :sssssssars Trss asrsa :ssrsrr :srrrsrsstrs rsasssssrars sarasrsssssss :sacs DEPTH OF FLOW IN 36.0 INCH PIPE IS £5.£ INCHES PIPEFLOW VELOCITY(FEET/SEC.) - 5.4 UPSTREAM NODE ELEVATION - 2 l4 8c0 DOWNSTREAM NODE ELEVAT - 3L34.80 FLOWLENGTH ( FEET) - . 3+Q 0. 00 MANNI NOS N ESTIMATED PIPE DIAMETER !INCH) 36.80 NUMBER OF PIPES +r 3 PIPEFLOW THRU SURAREA(CFS) R E9. 59 TRAVEL TIME(MIN.) - .93 TC<MIN.) = 25. 3+e +� yea +e•+a+e• a• �r rr ie ar ar �e �• a.r,r w K � at a� � � � w• at a � � a• �r �r �+� �e �• w• * � w• � � � •e � re• � � �• �.r,t � � � ae it +�• �e n• ar is •r w• it it �r ♦e• +r +e +e � �r ie• re• FLOW PROCESS FROM NODE 131.00 TO NODE 131.00 IS CODE R 1 ---------------------------------------------------------------------- - - - - -- >)))) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < << s -- = sanms as: aa: sssaaa: saaasssssssss ssaaassasaaasaasasa :ssssss :saassasasa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) a 15.1E RAINFALL INTENSITY (INCH. /HOUR) - 3.36 TOTAL STREAM AREA (ACRES) a 11.60 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE a :?9.59 ie Kaeaa�a• *****%********* 4%6*+ e+ t* u• ***** **u•**********ae****** Kee•****'* *** * FLOW! PROCESS FROM NODE 131. 10 TO NODE 1 I S CODE a i? ---------------------------------------------------------------------------- >) >))RATIONAL METHOD INITIAL SUBAREA ANALYSIS <( < << s. Kassa ssasssssssassssasssssssssss: asss ass sssss ssssaasssssssssssa : :aasasssssss ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 41/ ACRE) TC - K*E 4LENQTH -**3) / (ELEVATION CHANGE) 3**. %-- INITIAL SUBAREA FLOW-LENGTH - 558.06 UPSTREAM ELEVATION a 1417. 1e DOWNSTREAM ELEVAT •a 1:°_'15. oet ELEVATION DIFFERENCE - e.1 TC - . 393« E ( 550. QqZ **3) / 4 ie. 1 +20 3 1-4.919 100.G8 YEAR RAINFALL INTENSZTY(INCH /HOUR) a 3.343a SOIL CLASSIFICATION IS "A" SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT R .757:? SUBAREA RUNOFF(CFS) = 6.16 TOTAL AREA(ACRES) - i. 40 TOTAL RUNOFF 4 CF S) A 6.16 ® M�l�l�Fil�!• �lit�FiFi !•1lR�t•iF�t•�!•�!i!i!�l�I SRN• 1! �l1llF�litll��!• 1!• k• �! �lit�Nlt1F1!• �@ iF1F�t�l�l�tltilitit• il�liFi!• �lR1l�l�F1 !•ikiliF4F FLOWS PROCESS FROM NODE 131. Etch TO NODE 131.00 IS CODE 3 -------------------------------------------------------------------------- ) >))) COMPUTE PIPEFLOW► TRAVELTIME THRU SUBAREA << < << )))))USING COMPUTER- ESTIMATED PIPESIIE 4NON- PRESSURE FLOWY < <4(4 sssssssRSSSSSasssssssass trsssssassaassr sasssssaaasssssssssaassssssasas uss Baas. :aa• ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18-000 DEPTH OF FLOWS IN 18.0 INCH PIPE IS 10-1 INCHES PIPEFLOWt VELOG.ITY(FEET /SEC.) a 6.1 UPSTREAM NODE ELEVATION - t E1 S. Gtr DOWNSTREAM NODE: ELEVATION - 1 14. «B FLOWLENGTH(FEET> s 100.00 MANNINGS N a .013 ESTIMATED PIPE DIAMETER41NCHY 10.06 NUMBER OF PIPES 1 PI PEFLOW THRU SUBAREA 4 GFS) R 6.16 TRAVEL TIME (MIN.) _ . L-6 TC 4MIN.) 15.19 x .*x *$. , **.L-* *. *%* o-*i►ir*•r.*uie** *itic• it :rxie•x•rr*** **iric•******** *• Brie• *** ***•kiru**ie*esir+o-♦o-u*** FLOW PROCESS FROM NODE 131. TO NODE 131.00 IS CODE a 1 ---------------------------------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((!(( >))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES < < < << ---- aa:ss: sasass: sasssasaaaasa: sssasassaass:: asassassaaaa aas�srsssssssaasss :ss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM ie ARE: TIME OF CCMtCENT RAT ION 4 M I NUTE S) a 15.19 RAINFALL INTENSITY (INCH. /HOUR) 3.35 1 TOTAL STREAM AREA (ACRES) a '.40 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE - 6.16 CONFLUENCE INFORMATION; STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------- - - - - -- e 6. #6 #5. #9 3. 35# RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA l SO :) USED FOR ize STREAMS. VARIOUS CONFLUENCED RU?#lOFF VALUES ARE AS FOLLOWS: 35.71 35.66 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF {CFS) - 35.71 TIME {MINUTES) _ 15.1 TOTAL AREA f ACRES) _ 1-4.00 **•*4- *.**41 ***49 -+ eye*** V- *•ae•t *-*-* **•*•*• * ****•*******4t- *4a*•u•+ **4 t•*k u *.*,**** FLOW PROCESS FROM NODE 131.06 TO MODE 132..Oet IS CODE = 3 )) >))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<{<<< ) )p ) >) USING COMF+UTER- ESTIMATED PIPE SIZE {NON- PRESSURE FLOW){{{{{ sssssasssssssasss sss asmsassaamassssa :a sesarssara :a s :sm•saasaraaaamssaaaassssmsma DEPTH OF FLOW IN 30.0 INCH PIPE IS E. =.:.4 INCHES PIPEFLOW VELOCITY<FEET /SEC.) - 9.1 UPSTREAM NODE ELEVATION a # #k. G+ct DOWNSTREAM NODE ELEVATION - #.• 88. D12 FLOWLENOTH{FEET) = 5:'40. MANNINGS ESTIMATED PIPE DIAMETERS ?NCH) = 30.00 PIPEFLOW THRU SUSAREA<CFS) = 35.71 TRAVEL TIME<MIN.) = 1. 1 TC/MIN. N - .013 NUMBER OF PIPES m " 1 s. MG 1 Ww*** ****•**•**'*'*'******'***•«' K *'*'*'******* * *.***.*.*.*. *.*.*. *.*.*. FLOW PROCESS FROM NODE 132.00 TO NODE 130 IS CODE = I )) >))DESZONATE INDEPENDENT STREAM FOR CONFLUENCE < { { << tsraaasaaasasaaasartrrasrsrass_.=. zr.• s.:: rr :assr= asa= ssrrra..aarr.._.s�.. ssrrrasr.;assr.�aas+.sssax.� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONC'.ENTPATION <MINUTES) - 1 6. ;FS RAINFALL INTENSITY <INCH. /HOB +R) - 3. eiF. TOTAL ST REAM AREA (ACRES s: 14.00 TOTAL STREAM RUNOFF { CFS) AT CONFLUENCE = 35.71 *•*•*•ic w*•uatar+a *•*•ar*• ar�r *• ar *•+r*•�c *• *• *• *• *•tt *• *• •r. *•*•*• *• *•*• *•*• at *•* *•ar *• *•+r *• •k *• *•�r *• it *• •� x x it ar it *•*• *• *•�c * *• *• *•*•+r �r *• �• * FLOW PROCESS FROM NODE 14416.80 TO NOVE 13.00 IS CODE •- >) > > > RAT I ONAL METHOD INIT SUBAREA ANAL. YS I sssaraaraasassarras :rsrs+saass mss= .- a�.msassa.��.v.�rs�.- =:ss.: s= .- csrcT.srz_as.- ssrcc_- zr.xs.� =.rr =. ter.. ASSUMED INITIAL SUBAREA UNI DEVELOPMENT IS: SINGLE_ FAMILY 4114 ACPE) TC - x*r {LENGTH* *3) r (ELEVATION CHANGE) 3**. c INITIAL. SUBAREA FLOW -- LENGTH - 1500.00 UPSTREAM ELEVATION - #:?17. ii 0 DOWNSTREAM ELEVATION s 121406. 00 ELEVATION DIFFERENCE - 9.00 TC = . 393-* C f # Stc�B. Ate* + 3) f f 9. 0a y 3 **•. c_ - iE!a. 359 1 00.08 YEAR RAINFALL INTENSITY<INCHIHOUR) = 63 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY (t. /h ACRE LOT) RUNOFF COEFFICIENT = .7353 SUBAREA RUNOFF fCFS) - 3. 7-4 TOTAL AREA4ACRES) - 2.64LI TOTAL RUNOFFfCFS) = 3.7ds ♦r *•�+ tie+ rat*• �t�r+ t*• �ara�*• rrac•*•*•*•*•*• ic* �it*•* �t *•*•*•*•*•*•*•*• *• *••rr+r **••r. **•**•*•*•*•*• ar*•*•*• ir*•*•*•*• �r*•*•*•aa*•*•*•*• *•itit *• *•�!• FLOW PROCESS FROM NODE 13a. TO NODE 1 3E. 0421 IS CODE 1 > ) ) > ) DES ZONATE INDEPENDENT S'C'REAM FOR CONFLUENCE 44 <<< ssaamasssassr :ms<sasas.$saarsmaazeasssssaaaa ssrrs= rs:xaassasasxsassras+.�.= .mssrmar. m. -.r s. :.r.- rsi.^s. ssss. -. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE: RAINFALL INTENSITY 4INC44.1HOUR) a x.81 TOTAL STREAM AREA 4ACRES) - 1.80 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE a 3.74 �ae•�eaa+�atarae•ae•�e•�e•�r it u•ieaear ae a u•arir u••K �t aar �r� �•ae u•a ar�r •n••se ir•�•�+t �e•�r u•�•u•a K •se ar rr �r •r �• �rae+e•+r+tK+r it••a�e• ie• *•+r+rrr+r it •x it �e• r. ;r _ - FLOW - PROCESS FROM NODE ___ 13... -I0�TO NODE 30 IS�COF}E_= ___,_____.._______.. ))))) RATIONAL METHOD INITIAL SUBAREA ANALYSIS 4 4 4 4 4 saesaaseauseas -- = ssssrs asaarsss: snasassasssas :.s.ssss :a�.ramss sae. �. as. s rmasasa.s+.mssssrmmssasasassa• ASSUMED INITIAL SUBAREA UN I FORM DEVELOPMENT IS: SINtGLE FAMILY (3/4 ACRE) TC - X*C I LENGTH**3) 1 {ELEVATION CHANGE) 3+x+4.: INITIAL SUBAREA FLOW -- LENGTH - see. t20 UPSTREAM ELEVATION r I s 17. 10 DOWNSTREAM ELEVATION - 2 ieog. SG ELEVATION DIFFERENCE - 7.60 TC - . 393* [ 4 '7.50) 3 +eye•. E' - 1 1.153 100.00 YEAR RAINFALL INTENSITY4INCH /HOUR) a -4.034 SOIL CLASSIFICATION 19 "A" SINGLE- FAMILY4Il4 ACRE LOT) RUNOFF COEFFIC = .77"- SUBAREA RUNtOFF (CFS) z 1-4.64 TOTAL AREA 4 ACRES) - 4.70 TOTAL RUNOFF 4 CFS) �e •ee+e�e•+er. ieatae ae+e+e•+e+e ae �e�►.•ir �e a �e ie •ee+e ac «•+ru•ir ae+t+e+e a •ee �en•�e �t ie ♦e• ae re � •K•«•ac•+e• �e «•ir ie• ie �e+e+t+e ic•ie w•+e ie•rr+eie ae•+e•+e�e•+e �e+e+e•ie it ie FLOW PROCESS FROM NODE 33.:.30 TO NODE 13.40 IS CODE a 3 ))>>) COMPUTE P I PEFLOW TRAVEL T I ME THRU SUBAREA 4 4 4 f f )))))USINES COMPUTER- ESTIMATED PIPESIiE 4NON- PRESSURE FLOW) --< ssssaas s: asassss aaeraarraarsareassraes saa» sasamasssarrsars s•m•sasas•assvac.ca = srsarssrrssaama+a.rao C) DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.5 INCHES PIPEFLOW VELOCITY {FEET /SEC.) = 5.6 UPSTREAM NODE ELEVATION - 3 X09. 5tc"'� DOWNST NODE ELEVATION = 1209.00 FLOWLENGTH 4 FEET) a 100.00 MANtN I NGS N .013 ESTIMATED PIPE DZAMETER(INCH) - 2 4.00 NUMBER OF E>It•ES or I PIPEFLOW THRU SUPAREA4CFS) _ 24.64 TRAVEL TIME 4MIN.) - .30 TC {MIN.) 11. -4 �eieaeie•w•�c+eaeie•ae�e•ae �e ie�eae at+tae+e �e•ar ie•+t ac a+e fr ac• � �e+e � �e•ie• �e r. +e �e n• � +r+r+! ie• ie•+e re+r +e �• ie�e •r! �•+!• �t ae ie• •x••K •ee•ie•ir ie• � *r x• *• �e•�c•+e•ie �e •x•ie FLOW PROCESS FROM NODE 13e.:: 0 T O NODE 13 Z . 40 IS CODF S )))))ADDITION OF SUBAREA TO MAINLINE PEAV. FLOW +. 4 f f f . saaass+s- sssszsasssaa.�aszraae= a.=o+s.�+. yea.« s�m�a�. s.-.-. ssaaa. rsr ss.= �. s: �.«.= ss.« sa.« .«.a.«aaas:isza. «.asoa.- ..rs. =s 100.00 YEAR RAINFALL INTENSITY4INCH/HOUP) 3197e SOIL CLASSIFICATION IS "A" SINGLE- FAMILY 4I 14 ACRE LOT) RUNOFF COEFFICIENT SUBAREA AREA 4ACRES) 3.30 SUSAPEA RUNOFF 4CPS) = 10. 1 0 TOTAL AREA 4 ACRES) = 6.00 TOTAL RUNtOFF 4 CFS) _ iFA . 7 -i4 TC4MIN} - 11.45 +e+e �r•r. ae�e ieic• ae�e�r�e+e�eae�ru•�e �e re+r+e rc•+e �• ie ie• ie•+e+e+r+e «•«• �e• ae «• �. •�• «• •�••rr+e+e+e +e•+rie••n• �e•+e «• ie• •h• �•ie•+e+e �e•ie ar+r •�e+e•�e• �e•+e+e ie•w �t•+e+e •ee+e;c• FLOW PROCESS FROM NODE I3L.40 TO NODE 13.••.00 IS CODE = 3 ))))) COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA- )))) )USING CO"PUTER- ESTIMATED PIPE SIZE- 4NON- PREScSUPE FLOW) saaaaieasrsaaraasemasasrsassaasasssras• asreaaraarrraaraarra .ss =rme+•sr =•�= .sr. = ar:sar.= sra :srasrrraasrs = :- DEP'T'H OF FLOW IN 2:7.0 INCH PIPE 19 16-6 I NCHE- 9 PIPEFLOW VELOCITY4FEET /SEC.) = 8.5 UPSTREAM NODE ELEVATION - 12^09.00 DOWNSTREAM NODE ELEVATION a 1.°.049. FLOWLENGTH4FEET) - 200.00 MANNINGS N .013 PI PEFLQW THRU SUBAREA { CFS) _ ?ff. 7.4 TRAVEL TZME {MIN. ) _ . Z a TC {MZN.) = 11. at. raae. t. raa. r*. e•. r**4 1. 1****n ae .e ***u. *.nu.e** ***a a .a .e•*** ***«�.r.r.r;r FLOW PROCESS FROM NODE 132'. 400 TO NODE 13a. RO IS CODE _ 1 ) } ) } } QEg ZONATE INDEf'ENt>ENT STREAM FOR CONFLUENCE { { { { { > >) >)AND COMPUTE VARIOUS CONFLUENCED STREAM V sssssassssssa :rasa sssssaaasssasssssasasssasss a-am sas=:s rar=rr=s-mrraxsssaasasaaarsr CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATZON(MZNUTES) 13.65 RAINFALL INTENSITY {INCH. /HOUR) 3.93 TOTAL STREAM AREA {ACRES) = 8.00 TOTAL STREAM RUNOFF {CFS) AT CONFLUENCE - e4. 74 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER {CFS) {MIN.) (INCH /HOUR) •------------ •------- - ---.» ----------------------------------------------------- 1 35.71 16. ,^-6 31 2 18 E' 3. 7 1 1 are. 36 i2l. 81 E' 3 eds.74 11.65 3.931 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA {SBC} USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES AgE AS FOLLOWS: 58.95 5:1.453 5a.46 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF{CFS) = 58.95 TIME {MINUTES) 16. S5 TOTAL AREA {ACRES) s 83.80 �tre•. �. e• a�. r. e. r. e•+ r. e. r. �. t. e. r. c• ar• u•. o-. e. r. c. t. r. r. e•. r. t•. e•. r. r. e•. c. �. r• N•. r. t•.►. a. c•. r• K•. r. c•. r. a. t. e. a. e•. e•. r. c•• K. e•. r. e. r.: . e. c• •e•.r.e.r.r.r.e.e•.r.r.r.e••�• FLOW PROCESS FROM NODE 132. 00 TO NODE 1-40. IS CODE = 3 ) })))COMF PIPEFLOW TRAvELTZME THRU SUDAREA,l { { {{ ))) >)USING COMPUTER- ESTIMATED PIPESIZE SNON- PRESSURE FLOW): 4 {{ ssaaaaasasssssarr =eraa=ss=aa=.r. ee ma=. ssrssa=== wcrxrxrsrraaaemaarxsrxrasF -:xs= sarcracsr+a•ssmsar.r DEPTH OF FLOW IN 36.0 INCH PIPE I S a-4.5 INCHES PZPEFLOW VELOCITY (FEET /SEC..) _- 11. UPSTREAM NODE ELEVATION - l e08. 00 DOWNSTREAM NODE ELEVATION = 1Z FLOWLENOTH ( FEET) - 150. 00 MANNI NC-38 N .013 ESTIMATED PIPE DIAMETERS INCH) 36.00 NUMBER OF WIPES 1 PZPEFLOW THRU SURAREAMFS) 58.95 TRAVEL TIME (MIN.) - . Ele TC { MZN. ) - 1 S. r.7' R.F.l.l.l.h.h.l.l * * *.K * * IF.l * * * #.F #.l.k.F.! .F.t i! .l M ik ***.K.* * .t.!•.l * ik.! .t•.t.t * *.F tt * % * K. FLOW PROCESS FROM N 1.40, 00 TO NODE 1 44a.00 IS CODE = 1 ) > >)) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE { {{<{ ))) > > AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES { { 4 { •; sssssaaaasssssaaa rr= xaxstsxmssasmmr .s=armxrs•mmsmse=s- xaazr.-r. s'rssxxxrva.r. x•xam TSer. -: ars=ma aacxa: CONFLUENCE VALUES USED FOR INDEPENDENT STREA 1 ARE: TIME OF CONCENTRATION(MZNUTES) 16.47 RAINFALL INTENSITY 4Z NCH. /HOUR) 3.39 TOTAL STREAM ARE!•) {ACRES) =. =:3.80 TOTAL STREAM RUNOFF <CPS) AT CONFLUENCE. •3S 56. 95 CONFLUENCE INFORMATION: STREAM RU NOFF T IME INTENSITY NUMBER (CFS) {MIN.) {INCH /HOUR) RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA ( SRCf USED FOR I STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS; 58.95 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS ® RUNOFF<CFS) a 5$.95 TIME<MINUTES) 36.47e TOTAL AREA l ACRES y a 213. so saaaeas +aaasanassaaaaseasssesaiasrs ears+ ssassaasaaasssamrars alasaasrassassr ra.�.asrss+.m.�ss+'aaaaasaaaass END OF RAT IONAL METHOD ANALYSIS x h 9 er po"WAoof '�co CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING 8U8JECT BY DATE NOB NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS 9/26/86 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN WEST HERITAGE LATERAL (LINE B) * Q10 lff�� n * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 9262 6-3428 • (714) 641.8777 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL (C) Copyright 198E Advanced Engineering Software CAES] Especially prepared for: HALL & FOREMAN, INC. * * * * * * * ** *DESCRIPTION OF RESULTS************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** * FOOTHILL DRAIN HYDROLOGY,WEST HERITAGE (LATERAL H) * 0 10 NODE 140.6 TO NODE 140 * AHMED SHEIKH, J. N. 3366, 12/23/86 ---------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------------------------------------------------------------- USER SPECIFIED STORM EVENT(YEAR) = 10.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 10.00 1 -HOUR INTENSITY(INCH /HOUR) _ .9898 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED << cc<<((<<<<<< c<<<(<<< c< ((<<<< cc<((<<<)) >>>>)))>)>)))))))))>>>>>)))>))� Advanced Engineering Software CAES] SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 <(<<<<<<<(<<<((((<<<(<(<<(<<((<<(<((<(>>)))>> ) >)) > > > >) > > > >))) > >) > > >) > > > >)) >> FLOW PROCESS FROM NODE 140.61 TO NODE 140.60 IS CODE = 2 ---------------------------------------------------------------------- - - - - -- )) )))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 980.00 UPSTREAM ELEVATION = 1221.00 DOWNSTREAM ELEVATION = 1208.62 ELEVATION DIFFERENCE = 12.38 TC = . 393* 1( 980. 00 * *3) / ( 12.38) ] * *. 2 = 14.796 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.293 i"N•9 T 2 P.. AdL•_ T C T rn'T T MKS TO 11 n 11 - -- - -- SUfBRKhR KuNOFFlCFS) 1.96 TOTAL AREA(ACRES) = 1.20 TOTAL RUNOFF(CFS) = 1.96 FLOW PROCESS FROM NODE 140.60 TO NODE 140.60 IS CODE = I ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I ARE: TIME OF CONCENTRATION(MINUTES) = 14.80 RAINFALL INTENSITY (INCH./HOUR) = 2.29 TOTAL STREAM AREA (ACRES) = 1.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1.96 FLOW PROCESS FROM NODE 140.50 TO NODE 140.50 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*E(LENGTH**3)/(ELEVATION CHANGE)3**.2 INITIAL SUBAREA FLOW-LENGTH = 650.00 UPSTREAM ELEVATION = 1218.00 DOWNSTREAM ELEVATION = 1209.50 ELEVATION DIFFERENCE = 8.50 TC = .393*1( 650.00**3)/( 8.50)1**.2 = 12.469 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.541 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7262 0 SUBAREA RUNOFF(CFS) = 5.54 TOTAL AREA(ACRES) = 3.00 TOTAL RUNOFF(CFS) = 5.54 FLOW PROCESS FROM NODE 140.50 TO NODE 140.60 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.9 UPSTREAM NODE ELEVATION = 1209.50 DOWNSTREAM NODE ELEVATION = 1208.62 FLOWLENGTH(FEET) = 90.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = I PIPEFLOW THRU SUBAREA(CFS) = 5.54 TRAVEL TIME (MIN.) = .26 TC(MIN.) = 12.72 FLOW PROCESS FROM NODE 140.60 TO NODE 140.60 IS CODE ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.72 RAINFALL INTENSITY (INCH./HOUR) = 2.51 TOTAL STREAM AREA (ACRES) = 3.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.54 5 1 KtHm KUNUF t I I ml_ IN 1 tN51 I T NUMBER -=----------------------------------------------------------------- (CFS) (MIN.) (INCH /HOUR) - - - - -- 1 1.96 14.80 2.293 2 5.54 12.72 2.510 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 7.02 7.22 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 7.22 TIME(MINUTES) = 12.725 TOTAL AREA(ACRES) = 4.20 �•***** �• �• �• �•*•> E��• �•* �• �I• �•*•> E�• �• ��••> E�• �• �• �• ��• �-•> E•> E�• �• �• �•* �•• �* �• �••> E*• iE�••> E•> F�••> E�•> F�••> F�t�•• gat •>E�••>E *�t�t *•!E�••��t�t�•�•�t FLOW PROCESS FROM NODE 140.60 TO NODE 150.10 IS CODE = 6 ---------------------------------------------------------------------------- )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION = 1208.62 DOWNSTREAM ELEVATION = 1207.50 STREET LENGTH(FEET) = 400.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0290 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = i * *TRAVELTIPIE COMPUTED USING MEAN FLOW(CFS) = 7.53 STREET FLOWDEPTH(FEET) = .61 HALFSTREET FLOODWIDTH(FEET) = 16.09 AVERAGE FLOW VELOCITY(FEET /SEC.) = 1.92 PRODUCT OF DEPTHRVELOCITY = 1.16 STREETFLOW TRAVELTIME(MIN) = 3.48 TC(MIN) = 16.20 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.171 10 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7051 SUBAREA AREA(ACRES) _ .40 SUBAREA RUNOFF(CFS) _ .61 SUMMED AREA(ACRES) = 4.60 TOTAL RUNOFF(CFS) = 7.83 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .61 HALFSTREET FLOODWIDTH(FEET) = 16.09 FLOW VELOCITY (FEET• /SEC. ) = 1.99 DEPTH *VELOCITY = 1.21 FLOW PROCESS FROM NODE 150.10 TO NODE 150.10 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( -------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.20 RAINFALL INTENSITY (INCH. /HOUR) = 2.17 TOTAL STREAM AREA (ACRES) = 4.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.83 FLOW PROCESS FROM NODE 140.40 TO NODE 140.40 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS <(((( ASSUMED INITIAL SUBAREA UNIFORM - - -- - - DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K* C ( LENGTH ** 3 ) / (ELEVATION CHANGE) ] * *. 2 INITIAL SUBAREA FLOW- LENGTH = 500.00 UPSTREAM ELEVATION = 1212.70 DOWNSTREAM ELEVATION = 1209.16 100. VDID Yt:.HK KHiNl IN I MNb I I Y k I NUM/NUUK; C. 0114 SOIL CLASSIFICATION IS IlAll SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7249 SUBAREA RUNOFF(CFS) = 3.46 TOTAL AREA(ACRES) = 1.90 TOTAL RUNOFF(CFS) = 3.46 FLOW PROCESS FROM NODE 140.40 TO NODE 150.10 IS CODE = 3 )>)))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.5 UPSTREAM NODE ELEVATION = 1209.16 DOWNSTREAM NODE ELEVATION = 1207.50 FLOWLENGTH(FEET) = 90.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPEFLOW THRU -SUBAREA(CFS) = 3.46 TRAVEL TIME (MIN.) = .23 TC(MIN.) = 12.92 --------------- - - - - -- FLOW) (((( ( PIPES = I FLOW PROCESS FROM NODE 150.10 TO NODE 150.10 IS CODE = I ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.92 RAINFALL INTENSITY (INCH./HOUR) = 2.49 TOTAL STREAM AREA (ACRES) = 1.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.46 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 7.83 16.20 2.171 2 3.46 12.92 2.487 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 10.86 9.71 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 10.86 TIME(MINUTES) = 16.202 TOTAL AREA(ACRES) = 6.50 FLOW PROCESS FROM NODE 150.10 TO NODE 150.20 IS CODE = 6 ---------------------------------------------------------------------------- )M)COMPUTE STREETFLOW TRAVEL-TIME THRU SUBAREA((((( 0. JPSTREAM ELEVATION = 1207.50 DOWNSTREAM ELEVATION = 1205.40 STREET LENGTH(FEET) = 330.00 CURB HEIGTH (INCHES ) = 8. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0290 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = I **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 11.07 STREET FLOWDEPTH(FEET) = .59 HALFSTREET FLOODWIDTH(FEET) = 15.41 mtm=mirL_uw imHvmL_iimr_%mlimp i A OIL AO. 4OV-1 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.039 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .6957 SUBAREA AREA(ACRES) .30 SUBAREA RUNOFF(CFS) .43 SUMMED AREA(ACRES) = 6.80 TOTAL RUNOFF(CFS) = 11.28 0 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .61 HALFSTREET FLOODWIDTH(FEET) = 16.09 FLOW VELOCITY(FEET/SEC.) = 2.87 DEPTH*VELOCITY = 1.74 FLOW PROCESS FROM NODE 150.20 TO NODE 150.20 IS CODE = I ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I ARE: TIME OF CONCENTRATION(MINUTES) = 18.00 RAINFALL INTENSITY (I NCH. /VIOUR) = 2.04 TOTAL STREAM AREA (ACRES) = 6.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11.28 FLOW PROCESS FROM NODE 140.30 TO NODE 140.30 IS CODE = 2 ----------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*C(LENGTH**3)/(ELEVATION CHANGE)]**.2 ) INITIAL SUBAREA FLOW-LENGTH = 450.00 UPSTREAM ELEVATION = 1211.30 DOWNSTREAM ELEVATION = 1208.12 ELEVATION DIFFERENCE = 3.18 TC = .393*[( 450.00**3)/( 3.18)1**.2 = 12.173 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.578 SOIL CLASSIFICATION IS "A" SINGLE - FAMILY(! /4 ACRE LOT) RUNOFF COEFFICIENT = .7280 SUBAREA RUNOFF(CFS) = 2.25 TOTAL AREA(ACRES) = 1.20 TOTAL RUNOFF(CFS) = 2.25 FLOW PROCESS FROM NODE 140.30 TO NODE 150.20 IS CODE = 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.2 UPSTREAM NODE ELEVATION = 1208.12 DOWNSTREAM NODE ELEVATION = 1205.40 FLOWLENGTH(FEET) = 80.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18-00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 2.25 TRAVEL TIME (MIN.) = .19 TC(MIN.) = 12.36 FLOW PROCESS FROM NODE 150.20 TO NODE 150.20 IS CODE = I -------------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.36 RAINFALL INTENSITY (INCH. /HOUR) = 2.55 TOTAL STREAM AREA (ACRES) = 1.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.25 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 11.28 18.00 2.039 2 2.25 12.36 2.554 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 13.08 10.00 COMPUTED CONFLUENCE ESTIMATES ARE AS'FOLLOWS: RUNOFF(CFS) = 13.08 TIME(MINUTES) = 17.997 TOTAL AREA(ACRES) = 8.00 FLOW PROCESS FROM NODE 150.20 TO NODE 141.00 IS CODE = 6 )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION = 1205.40 DOWNSTREAM ELEVATION = 1204.70 STREET LENGTH(FEET) = 270.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0290 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 ® * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 13.41 NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARN.WAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .73 HALFSTREET FLOODWIDTH(FEET) = 20.22 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.20 PRODUCT OF DEPTHRVELOCITY = 1.60 STREETFLOW TRAVELTIME(MIN) = 2.05 TC(MIN) = 20.04 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.911 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .6854 SUBAREA AREA(ACRES) _ .50 SUBAREA RUNOFF(CFS) _ .65 SUMMED AREA(ACRES) = 8.50 TOTAL RUNOFF(CFS) = 13.73 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .73 HALFSTREET FLOODWIDTH(FEET) = 20.22 FLOW VELOCITY(FEET /SEC.) = 2.25 DEPTH *VELOCITY = 1.64 FLOW PROCESS FROM NODE 141.00 TO NODE 141.00 IS CODE = 1 ---------------------------------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( 0 - 20 = NFLUENCE VALUES USED FOR INDEPENDENT STREAM - i ARE:- - TIME OF CONCENTRATION(MINUTES) = 20.04 RAINFALL INTENSITY (INCH. /HOUR) = 1.91 TOTAL STREAM AREA (ACRES) = 8.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.73 I PKULhbb rKUM NUUt- 1 •+Ia. cl_v_i I u I\IUljr- ls+V.I. In tluljr_ ------------ ------------------------- --------------------- ------------------ )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*E(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1221.00 DOWNSTREAM ELEVATION = 1209.00 ELEVATION DIFFERENCE = 12.00 TC = .393*1( 1000. 00 * *3) / ( 12.00)3**.2 = 15.070 10.00 YEAR RAINFALL INTENSITY(I NCH /HOUR ) = 2.268 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7113 SUBAREA RUNOFF(CFS) = 12.58 TOTAL AREA(ACRES) = 7.80 TOTAL RUNOFF(CFS) = 12.58 FLOW PROCESS FROM NODE 140.90 TO NODE 141.00 IS CODE = 3 )>)))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.6 UPSTREAM NODE ELEVATION = 1209.00 DOWNSTREAM NODE ELEVATION w 1204.70 FLOWLENGTH(FEET) = 80.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES PIPEFLOW THRU SUPAREA(CFS) = 12.58 TRAVEL TIME (MIN.) = .10 TC(MIN.) = 15.17 FLOW PROCESS FROM NODE 141.00 TO NODE 141.00 IS CODE ----------------------------------------------------------------------------------------- ))>))DESIGNATE INDEPENDENT STREAM FOR C(INFLLJENCE/,(((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM ARE: TIME OF CONCENTRATION(MINUTES) = 15.17 RAINFALL INTENSITY (INCH./HOUR) = 2.26 TOTAL STREAM AREA (ACRES) = 7.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 12.58 FLOW PROCESS FROM NODE 140.70 TO NODE 141.00 IS CODE = 2 -------------------------------------------------------------------------------- )))>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4. ACRE) TC = K*E(LENGTH**3)/(ELEVATION CHANGE)l**.2 INITIAL SUBAREA FLOW-LENGTH = 450-00 UPSTREAM ELEVATION = 1208.00 DOWNSTREAM ELEVATION = 1204.70 ELEVATION DIFFERENCE = 3.30 TC = .393*1( 450.00**3)/( 3.30)1**.2 = 12.083 10.00 YEAR-RAINFALL INTENSITY(INCH/HOUR) = 2.589 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7285 mljr#r%o=f% ollhinr7cifIcal = 1 7n •��•�•�•aaat•�t••�• gat• �• �• ��t•• �* �• �•* �• at•* �• �** �• �** �•*• �*• �* �• n•• �• �• �* it• �• �• �• �• tF�•• �* �•• ��•• �•�•�•��• *•�•��• *� *� *� * * * *•���• FLOW PROCESS FROM NODE 141.00 TO NODE 141.00 IS CODE = i >))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: - - TIME OF CONCENTRATION(MINUTES) = 12.08 RAINFALL INTENSITY (INCH. /HOUR) = 2.59 TOTAL. STREAM AREA (ACRES) _ .90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1.70 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 13.73 20.04 1.911 2 12. 15.17 2.259 3 1.70 12.08 2. 589 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: :5.63 04.46 20.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 25.63 TIME(MINUTES) = 20.045 TOTAL AREA(ACRES) = 17.20 ® FLOW PROCESS FROM NODE 141.00 TO NODE 140.00 IS CODE = 3 ---------------------------------------------------------------------- - - - - -- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) ))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 36.0 INCH PIPE IS 28.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 4.3 UPSTREAM NODE ELEVATION = 1204.70 DOWNSTREAM NODE ELEVATION = 1204.50 FLOWLENGTH ( FEET ) = 100.00 MANN I NGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 23.63 TRAVEL TIME(MIN. ) _ .47 TC(MIN. ) = 20.51 FLOW PROCESS FROM NODE 140.00 TO NODE 140.00 IS CODE = 1 )))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 20.51 RAINFALL INTENSITY (INCH. /HOUR) = 1.88 TOTAL STREAM AREA (ACRES) = 17.00 ® TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 05.63 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ------------------------------------------------------------------------- 1 25.63 20.51 1.885 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 8.68 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 3.10 14.80 3.405 2 8.68 12.70 3.732 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 11.01 11.34 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 11.34 TIME(MINUTES) = 12.701 TOTAL AREA(ACRES) = 4.20 FLOW PROCESS FROM NODE 140.60 TO NODE 150.10 IS CODE = 6 ---------------------------------------------------------------------- - - - - -- )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION = 1208.62 DOWNSTREAM ELEVATION = 1207.50 STREET LENGTH(FEET) = 400.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0290 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 11.83 NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 18.84 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.22 PRODUCT OF DEPTH&VELOCITY = 1.53 STREETFLOW TRAVELTIME(MIN) = 3.00 TC(MIN) = 15.70 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.286 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7543 SUBAREA AREA(ACRES) _ .40 SUBAREA RUNOFF(CFS) _ .99 SUMMED AREA(ACRES) = 4.60 TOTAL RUNOFF(CFS) = 12.33 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .71 HALFSTREET FLOODWIDTH(FEET) = 19.53 FLOW VELOCITY(FEET /SEC.) = 2.16 DEPTH *VELOCITY = 1.53 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 150.10 TO NODE 150.10 IS CODE = 1 ---------------------------------------------------------------------- - - - - -- )))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.70 RAINFALL INTENSITY (INCH. /HOUR) = 3.29 TOTAL STREAM AREA (ACRES) = 4.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 12.33 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.40 TO NODE 140.40 IS CODE = 2 ) >) ))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 500.00 UPSTREAM ELEVATION = 1212.70 DOWNSTREAM ELEVATION = 1209.16 ELEVATION DIFFERENCE = 3.54 TC = . 393* C ( 500. 00 * *3) / ( 3.54) 7 * *. 2 = 12.692 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.733 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7658 SUBAREA RUNOFF(CFS) = 5.43 TOTAL AREA(ACRES) = 1.90 TOTAL RUNOFF(CFS) = 5.43 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.40 TO NODE 150.10 IS CODE = 3 ---------------------------------------------------------------------------- ) ))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))) )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.4 UPSTREAM NODE ELEVATION = 1209.16 DOWNSTREAM NODE ELEVATION = 1207.50 FLOWLENGTH(FEET) = 90.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = i PIPEFLOW THRU SUBAREA(CFS) = 5.43 TRAVEL TIME(MIN.) _ .20 TC(MIN.) = 12.90 FLOW PROCESS FROM NODE 150.10 TO NODE 150.10 IS CODE = 1 ---------------------------------------------------------------------------- )))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ) >)))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.90 RAINFALL INTENSITY (INCH. /HOUR) = 3.70 TOTAL STREAM AREA (ACRES) = 1.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.43 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) -------------------------------------------------------------- 1 12.33 15.70 3.286 2 5.43 12.90 3.698 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 17.15 15.56 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 17.15 TIME(MINUTES) = 15.699 TOTAL AREA(ACRES) = 6.50 FLOW PROCESS FROM NODE 150.10 TO NODE 150.20 IS CODE = 6 ---------------------------------------------------------------------------- ))) ))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION = 1207.50 DOWNSTREAM ELEVATION = 1205.40 STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0290 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 17.50 NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 18.84 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.29 PRODUCT OF DEPTH &VELOCITY = 2.26 STREETFLOW TRAVELTIME(MIN) = 1.67 TC(MIN) = 17.37 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.093 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7483 SUBAREA AREA(ACRES) _ .30 SUBAREA RUNOFF(CFS) _ .69 SUMMED AREA(ACRES) = 6.80 TOTAL RUNOFF(CFS) = 17.85 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 18.84 FLOW VELOCITY(FEET /SEC.) = 3.35 DEPTH *VELOCITY = 2.30 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 150.20 TO NODE 150.20 IS CODE = i > >)))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.37 RAINFALL INTENSITY (INCH. /HOUR) = 3.09 TOTAL STREAM AREA (ACRES) = 6.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 17.85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.30 TO NODE 140.30 IS CODE = 2 ---------------------------------------------------------------------- - - - - -- > > >) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW - LENGTH = 450.00 UPSTREAM ELEVATION = 1211.30 DOWNSTREAM ELEVATION = 1208.12 ELEVATION DIFFERENCE = 3.18 TC = .393*[( 450.00 * *3) / ( 3.18) 3 * *. 2 = 12.173 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.828 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7678 SUBAREA RUNOFF(CFS) = 3.53 TOTAL AREA(ACRES) = 1.20 TOTAL RUNOFF(CFS) = 3.53 - - FLOW PROCESS - FROM NODE 140.30 TO - NODE - -- 150.20 -IS - CODE- =--- 3--------------------------------------------------------------- ® > > > >) COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( > )> >) USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)(<((( ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 5.3 INCHES PIPEFLOW VELOCITY (FEET /SEC.) = 8.2 FLOWLENGTH(FEET) = 80.00 MANNINGS N .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 3.53 TRAVEL TIME (MIN. ) _ .16 TC (MIN. ) = 12. 34 FLOW PROCESS FROM NODE 150.20 TO NODE 150.20 IS CODE = 1 ---------------------------------------------------------------------------- )))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((( << > )> >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( === s= asa= a000a= aaeoc= s= s= ae==== asmcoa== n= aaxasasa= o= as= asacac_===== scoc = =___ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.34 RAINFALL INTENSITY (INCH. /HOUR) = 3.80 TOTAL STREAM AREA (ACRES) = 1.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.53 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ---------------------------------------------------------------------------- (CFS) (MIN.) (INCH /HOUR) 1 17.85 17.37 3.093 2 3.53 12.34 3.798 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 20.72 16.20 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 20.72 TIME(MINUTES) = 17.371 TOTAL AREA(ACRES) = 8.00 FLOW PROCESS FROM NODE 150.20 TO NODE 141.00 IS CODE = 6 ) >) >) COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION = 1205.40 DOWNSTREAM ELEVATION = 1204.70 STREET LENGTH(FEET) = 270.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) _ .0290 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 21.26 NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .83 HALFSTREET FLOODWIDTH(FEET) _ 23.66 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.57 PRODUCT OF DEPTH &VELOCITY = 2.12 STREETFLOW TRAVELTIME(MIN) = 1.75 TC(MIN) = 19.12 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.919 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7423 SUBAREA AREA(ACRES) _ .50 SUBAREA RUNOFF(CFS) = 1.08 SUMMED AREA(ACRES) = 8.50 TOTAL RUNOFF(CFS) = 21.80 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .83 HALFSTREET FLOODWIDTH(FEET) = 23.66 FLOW VELOCITY(FEET /SEC.) = 2.63 DEPTH *VELOCITY = 2.17 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ---------------------------------------------------------------------------- )))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((( << CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.10 RAINFALL INTENSITY (INCH. /HOUR) = 0.90 TOTAL STREAM AREA (ACRES) = 8.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 21.80 FLOW PROCESS FROM NODE 140.20 TO NODE 140.90 IS CODE = 2 ---------------------------------------------------------------------------- )))> )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((( << ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1221.00 DOWNSTREAM ELEVATION = 1209.00 ELEVATION DIFFERENCE = 12.00 TC = .393*[( 10 @0. @ @ * *3) / ( 12.00) ] * *. 2 = 15.070 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.368 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7566 SUBAREA RUNOFF(CFS) = 19.88 TOTAL AREA(ACRES) = 7.80 TOTAL RUNOFF(CFS) = 19.88 FLOW PROCESS FROM NODE 140.90 TO NODE 141.00 IS CODE = 3 ---------------------------------------------------------------------------- )))) )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <( (<( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)( <((< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.0 UPSTREAM NODE ELEVATION = 1209.00 DOWNSTREAM NODE ELEVATION = 1204.70 FLOWLENGTH(FEET) = 80.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.88 TRAVEL TIME (MIN. ) = .09 TC (MIN. ) = 15.16 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 141.00 TO NODE 141.00 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.1E RAINFALL INTENSITY (INCH. /HOUR) = 3.36 TOTAL STREAM AREA (ACRES) = 7.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 19.88 FLOW PROCESS FROM NODE 140.70 TO NODE 141.00 IS CODE = 2 ---------------------------------------------------------------------------- )))) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) L*� 12. 083 3. 845 SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7682 SUBAREA RUNOFF(CFS) = 2.66 TOTAL AREA(ACRES) = .90 TOTAL RUNOFF(CFS) = 2.66 INITIAL SUBAREA FLOW- LENGTH = 450.00 UPSTREAM ELEVATION = 1208.00 DOWNSTREAM ELEVATION = 1204.70 ELEVATION DIFFERENCE = 3.30 TC = . 393* 1 ( 450. @0 * *3) / ( 3.30) 1 * *. 2 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) SOIL CLASSIFICATION IS "A" ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 141.00 TO NODE 141.00 IS CODE = 1 ---------------------------------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( TIME OF CONCENTRATION(MINUTES) = 12.08 RAINFALL INTENSITY (INCH. /HOUR) = 3.85 TOTAL STREAM AREA (ACRES) = .90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.66 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) -------------------------------- - - - - -- 1 21.80 19.12 2.919 2 19.88 15.16 3.356 3 2.66 1 3.845 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 41.11 39.48 32.28 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 41.11 TIME (MINUTES) = 19.125 TOTAL AREA(ACRES) = 17.20 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 141.00 TO NODE 140.00 IS CODE = 3 ---------------------------------------------------------------------------- )))> )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ))) ))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( DEPTH OF FLOW IN 45.0 INCH PIPE IS 32.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 4.9 UPSTREAM NODE ELEVATION = 1204.70 DOWNSTREAM NODE ELEVATION = 1204.50 FLOWLENGTH(FEET) = 120.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 45.00 PIPEFLOW THRU SUBAREA(CFS) = 41.11 TRAVEL TIME (MIN. ) = .41 TC (MIN. ) N = .013 NUMBER OF PIPES = = 19. 53 FLOW PROCESS FROM NODE 140.00 TO NODE 140.00 IS CODE = 1 ---------------------------------------------------------------------- - - - - -- )) )))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ) >)))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.53 TOTAL STREAM AREA (ACRES) = 17.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 41.11 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) --------------------------------------------------------------------- - - - - -- 1 41.11 19.53 2.882 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 41.11 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF ( CFS) = 41.11 TIME(MINUTES) = 19.533 TOTAL AREA(ACRES) = 17.20 a- aa= osasaacoasa= ssocs. co.= saassssacsass= asc= c= cc===== sc= --=-----===== c =cc == END OF RATIONAL METHOD ANALYSIS A ft Xle s po"W",op Rae* _. CML ENONIEERI110 • LAND 'LAIN IIN • LAND 9I.XWEVI Ni w COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINE - B * Q 10 El * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMM CALIFORNIA 02626.3428 • (714) 641.8777 RATIONAL METHOD HYDROLOGY COMPUTER PROSRAM BASED ON SAN BERNARDINO COUNTY 4S&C) 1983 HYDROLOGY MANUAL 4C) Cooyr-laht 1966 Advanced Encinewring Software CAESJ Especially orwaamr-ad fors HALL 6 FOREMAN. INC. < < 4 < < < 4 < < < < < < < < 4 < < < < 4 4 < < 4 < . < < < 4 < < < < < < < ) ) ) > ) ) ) ) > ) ) I ) ,a ) ) ) ) ) ) > ) > > > ) > . > 0 ) 1 > > > > > > SCRIPT ION OF FOOTHILL DRAIN HYDROLOGY, LINE & ZNCLUDZhtf-s LATERALS C,E,G&H Q le NODE 16e. 3 TO NODE 606 re AHMED SHEZMH,.:?'. N. 3366, le.-1 * **** ** **.W* * ** * *** ** ***.Kl * * 46 *V ft* 4** 4t** 4j USER SPECIFIED HYDRC AN.D HYDRALILIC. MCiDE INFORMATION: ------------------------------------------------------------------------------------- USER SPECTPZEFY STOPm EVE5.14T'.'YEAP) 10.42*01- SPECIFIED MINIMUM PIPE SZZE41NCI--) 3e.•0 SPECV PERCENT OF GRi- Ti. USE FOR F!';lICTION, 51-O'ClE to s'roRh 60—tnit'IUTE INTENSITY 4ZNCH/?IOUK') 460 1042't•YEAR STORM 6424—MZ?%ltjTE 1. 470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT — 1 0. C-IfO 1 — !fit t J F,• I t- I T E N I T I el C. H. H f. J 9 ft SLOPE OF ZNTEmSTT* DL?Pf-?T ION CLfR%,-E •= . 600c, SBC HYDROLOGY MANUAL "C"—VALWES •SEX? Actv Encrameer-inci :oft war-e fc(ES:i No. Aor-580i- PE %,,'- 3. 1 PELEA *Z D!T-E:*.- 5/4012 /8.S < < < < << << < . . < . 0 . , 1 e. < .1 ' < I e,' < < Of < < . e' . . . . < e. < '? ? � > ' ` > � " > e ." " "-' > ; > ';- " *? > ,;! '., )):'o � ) > *-W ** *V.* * -W 1r rt 4r - .60 -W. 4* rt it.• it FLOW PROCESS FROM NODE 1 6E. &, TO NODE I &a. 30 1 S CODE iF )>>)>RATIONAL METHOD INITIAL SUBAREA AhJALYSIS<v*ee< ASSUMED INITIPL 'SUPAPEA UNIFORM DEVELOPMEN' IS; SINGLE FAMILY Ifl/ ACRE.') TC C:}-ANi3E.r2-r-*,2 INITIAL. SU&AREA FLOW--•LEWOTH 95 00 UPSTREAM ELEVATION = 13QN-lf. 70 DOWNSTREAM E- VAT i Cir = I;En93� �5421 ELEVATION DIFFERENCE = � Z TC. - .393-ri 950. 1 :t . e4it) 2 1 4. 6.7. 6 10.0420 YEAR RAINFALL INTENSITY 4 SUBAREA RUNOFF { CFS } 6.69 TOTAL,ARER.{ACRES} - <i.10 TOTAL RUNOFF{CFS) z E.55 u *•t! *•* *- oft i* V t* K •R *•*is** *•* *• *•*• *• fit•* *• it•*• * *•**i!- FLOW PROCESS FROM NODE 149Z.30 TO NODE l se. 00 I S CODE - 3 ------------------------- - - - -.- -------------------------------------------- - - - - -- } } } } } CCtMlfi1lTE PZ PEFLO4.t TRAVEL T Z ME THRU 'SUBAREA { { { t { } } } } YUSING CfsMPUT'ER- ESTZMATED Purr -S2.[E - "NON- PPESSURE F =LC44Y { { { { .; i•sl aasssassssrsar"BWJW Wssaraerararassrarars ■r ssaarsxarsassrsaria•.sr a W=JW Xrax ser&W""=8V tr M rrasar sr+raar=aresrrmr DEPTH OF FLOW I 1 8. 0 INCH PI I 1 421.9 I NCI ES PZPEFLOW VELOCITY{FEET /SEC.) x E. k'} UPSTREAM NODE ELEVATION - l E93. 50 DOWNSTREAM NODE ELEVATION - FLOWLENOT!-!{FEET> - E70.00 litANNlNGS N •z .42+13 ESTIMATED PIPE DIAM4ETER <ZNCH) +R 18.00 NUMs.4`•cEP OF PIPES 1 PIPEFLO40) THRU SUBAREA CF.S) 6.59 TRAVEL TIME ) - 1 TC{MlIN. ) 1.1.57 ,k*•+e+e- �r*- ar*•+tirK�r+e*• it• *• it *• *•*• it it i! *• *• *• *• i! *• itit it•it *•iF it �r *• ft M• *•*•i! *• *• *•*• it *• *• it *• it r. iti! •It *• *• r i4 *•it *• i! r. *• is *• *• it i! itit r. *• FLOW PROCESS FROM NODE 166. 00 TO NODE 16E. 00 IS CODE = 3 ) }) } > DESZGN ?TE INDEPENDENT STREAM FOR CONFLUENCE d { +. d a aa�.�s:rsrssssr. asars_rsrs.= .r..rnaa.•� . ssrr _samr_..ss.- srxaoasraxaraaaar s -._ ._ .srr.ararssra �•axarrrsas.sas ffia :am CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF = 15.57 RAINFALL INTENSITY { IN CH./H OUR) +- c_. a - : : TOTC4L STREAMS AREA %r�CRE:S) r 4. 1 Q TOTAL STREAM; RttNOFF {CFE) AT C:ONFLUENLE 6. 69 �r+erra�- �r* -ie•r. err.- iciaie• re• rr*•*•*• icr. ir*• ie*•*•+ cie*• ir*• ir**• ic•+ e• ir*•*•*• irie• irie• n• irir*• ir• r.it• ieiair*• nia�e•*• iriraici <•*•ir,r•rr.ir*• *•ar *• *•*•ie• FLOW PROCESS FROMr NODE 1$;_. 3 tt4 TO NODE 3 6E. kko IS CODE } ) } ) ) RATI M!E• } I N I T F F`sL St tint -4REfis ss. :assrssssasasrasrraa= a.=.T: assxaassa- =•sr..s.sr..aa.- .rss.- .¢•. -.:s =. _.ar. _.- .�:.asr.r :: s. -._ .= so_rr.- •.va.- . -asasv ASSUMED INITIAL SUPAREA UNIFORM DEVELOPMENT I $ : SINGLE FAM % 1 .e`-4 ACRE) ) T C C: }tAlti 6E) 3 * . E ZNl7'If -L 94124*. L4-N UPST ELE VAT I O hi = 1;E'99 - 11 0 DOWNSTREAM E L E to'4:4 7' I CO"i ._ 1 =r 1. 42' - z ELEVATION DIFFERENCE Y &.70 TC =' . 392:t- C : 9ti,•'!t[ iGY4:Y9! .• ! Ot. i'4:t) _{ i!'K'. ice. 1 S. t,•'4! -1 7 10.00 YEA R!•'! V V Yip L SOIL CLASSIFICATION IS "A" S ZNGLE - FAt ACRE LOT RLNOFC F f=.OEFF ? SUBAREA RLtltCrFF <L:FS) :- S. fi§ TOTAL AREA (ACRES) _ .<. "_+4 TOTAL f+t kl�t {t% F i i,:r "t_. - ;i. 64 it M.• i! *• * •Yr. �! it i!*• �t it i! 1t �! 1Fi! *• it *• * iF i! i1• *• ik i! *• * it• *• *• iF *• *• iP M *• it *• i` il• if *• *• i! * •rz *• *� i!• *• *• M. iF i► M. *• it i► it * *• •Ik *� ik *• i~ it *• *• *• iF *• *� * FLOW PROCESS FROM NODE 16:::, 40 TO NODE cto IS COZ:rE .- T .:) i FiD I T I ON OF Stj& REA TO MAI NLI NE P} AK. FL044 . .smsszr.�s rases =sae+aexsx : zs.s.- .asrrsns.s.y. seasssssrs_r.-- .ss._.wsrm._ s.ar._.ss_: -= seas_ -.a = s_rsrasamarssas 1421. YEAR RAINFAs L IN ENSITY{ SOIL CLASSIFICAT I:K "A" SINGLE - FAMIL { 1 / ACRE LOT) RUNOFF COEFF ICIENT = .711:_ SUBAREA 3. ack 5UECAPE:F; = S. 1t- TOTAL AREA{ACRES.r _: E ., 70 TOT RLkNt` ?r=F {CFS) 10. a0 TC %M ZN) - 15. FLOW PROCESS FROM NODE 18a.00 TO NODE 1 8 . 00 Z S CODE - 1 > > > > > DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE 4 < < < < k > > > k AND COMPUTE VARZ DUB CONFLUENCED STREAM VALUES < I < < < COWLUENC VALUES USED FOR INDEPENDENT STREAM & ARE: TZME OF CONCENTRATZON4MZNUTES) - 15.09 RAINFALL INTENSITY <INCH./HOUP> - illre. iF-17 TOTAL STREAM AREA 4ACRESY - 6.74a TOTAL STREAM AiJNOFF4CFS) AT CONFLUENCE 10. 150 CONFLUENCE INFORMATION: STREAM RUNOFF T 1 ME- INTENSITY NUMBER 4CFS) 4MZN. Y (ZNCH/{° OUR) --------------------------------------------------------------------- 1 6.69 15.57 :=. :?: = 1 r -(f le.ee 15.09 e. e6c--� RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORHULA(SEcC-) USED FOR & STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 17. 17. aq- COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RLq40Fr (CFSY - 17. -9 TIMEiMINUTESY - 15.567 TOTAL AREA4ACRES) - 10.80 FLOW PROCESS FROM NODE 182.00 TO NODE 180. 00 1 S. CODE r 3 -------------------------------------------------------------------------------------- ))>>} COMr-vTE PZPEFt-OW TPAVELTIME THRU SUB(- USING COMPUTE• -ESTIMATED PIPESIZE 4NON-PRESSURE FLOW) < 4 DEPTH OF FLOW IN 2'1.0 INCH IS 14.0 INC"fES PZPEFLOW VELOC I TV { FEET / SEC. Y UPSTREAM NODE ELEVATZON - 2a91.00 DOWNSTREAM NODE ELEVATZON - lasa.ov� FLGWLENOTH:FEETY - 4 - 4 0. 421 MANNINE35 N .01-"R ESTIMATED PIPE DIAMETER 4'INCH) - 21.00 NUMBER OF PIPES 1 PIPEF LOW THRU . - 17.;? 9 TRPVEL TZME:M-IN'.. TC/MIN. ) - 16 St - K 4* 0 it* It J1 4t.K..W Fizii NODE 161.4"NTk TO NODE 160.4244a IS CODE 6 OP SLIBAS.EA TO MAINL.INE PEAt-s. FLOW -f -fl -fe.' lk */HctL!, - a. 164 SOIL CLASS I F 1 CATI ON 15 "A" 5 1 N C- " E - F AM I L Y 4 1 ! -t i4C. F;: E L R tJ N 0 F F C. DE F F 1 E Z T = ;T0 SUBAREA AREAS ACRES) 412c. SUFSARIEA 6.3 TOTAL ARE94ACAES.' I Sk. 80 TOTAL RUNOFF 4CFSJ - PA. 9L TC./MZN) - 16. acs * V * if. * * * * * * * *-.* * q* r. V * 1 * * * * * * * * * * *- * * * -* * * * * it * * * * * * ior * * * * * * * * * * * * * * * -* * * * *- * * * * * * 4 FLOW PROCESS FRG&: MODE 180. 0Qt TO NODE i8i'L".00 IS CODL INDEPENDENT STREAM FOR CONFLUENCE -'-,< VALUES USED FOR INDEPENDENT STREAM I TIME 0 ,5- 16.079 16 x�o-n• ic• rx• rrxxreKier•c•r. uric •u•acieK•cue•KKie+r�treieie•r+ cue• �e+ ta•+ e�eientr�+ rr u• �c+ rw •+tuic+r+r�e•r+ci..•�crrrrrKt► FLOW PROCESS FROM NODE 161.1 TO NODE 36 IS CODE c: ) } }) } RATIONAL METHOD INITIAL SUBAREA ANALYSI < < < .; < s _zsaaxsom.rmsaaaa_rsasaasmra�s:. arsramsasas .asssassasaays•.xse•. sates. race_- sxrnassss•s•.xs �•= a.ness�s«a —.�sr sarx_rr_ — ASSUMED I rt I T I:•sL SUBAREA UNIFORM DEVELOPMENT ZS.- SINGLE FA M ILY <#.((A# RCREY TC $ X*C 4LENGTH**3} f <ELEVATZON CHANGE} 2**. t INITIAL SUBAREA FLOW- •- LENST} -t = .400. fc'}0 UPSTREAM ELEVATION = 1300. 0. itf 0 DOWNSTREAM ELEVATION •r 10:91. 4LI ELEVATZON DIFFERENCE 9.00 0 TC — . 393* C ( Jitc'1� -'t. i"►iZitit .•' 9. f m.r. a 9.. # l et. e* YEAR RAIN FALL ZNTENSZ TY < IrtC:F-t/H x 3. 04 7 SOIL CLASSIFICATION Iii "A" SINGLE— FAMILY<#/4 ACRE LOT} RUNOFF C:CtEFFICIENT = . , 46._t SUEW)REFFt _ #. 3 TOTAL AREA 4ACRES} ,: . s:tc'"+ TOTAL RUNOFF iCFS} 3.37 �e• r• �c *•x *rrtr�•�•+ri+.• it•r+t•rr•rie+rfrx + rit•+e•rrr. r+ t• rrtr� !•trr•:t•te•irr•trrtrte•trtrr. trrtr�• rr +trtt•rKier «•Krtctt•ie+rtr+r+c FLOW PROCESS. FROM NODE 164. TO NODE 1 60. C40 i CODE t: ) ` } >) CCtMt-U T E STREETFLOW T RAVELT.Z E THRU SUBisRE A 4 < < < < aesxrra.sr..asa: �. rrasasaaax . _ —_r.. —.ate .:rrs.rr =. mass : m•.x.- a :r :.a•_ra.— .saa_rx: r.— s.xarsss.rr: r.- .•sra.= s. _ 3•= _ .xr. —s= = ears. -. fit%: <'s`RE�r ;y': ELEL's•�"It�iry — # ::�:. tc'�rti< s`.yCtbtl�ETs�Ef:•,r Et_E +.sstTlC +�'1 #6tti�. ��tk"t S TK' ET LE N5 < FEET) } :. 9 tZ ttti4 CLt}tt f-ts .t G T k f ! I . +'iC; =? :'_: k - Ca. STREET' a -4.00 STREF_'' CROSSFALL. DEC IOli -II._) ,tai -*: S 's:F :tF IEt► r.t ty'jiYi :. CtF= ? - A - ST RE�:.T -5, F..JNckFs= =- # '+ L I >= C :3 ± ! Ert UISIN5 , ►-sE3•01 FLOW/CF.. .:, 342t 5 r„_F6" Stiff:_ . Fa..{?{=DWIDt H EE. 7.'? r. 33 C +t I F :._ 3 .'Etf�i . } •t 6i �'R;_'i. +v{_ {.=• Zt_ 3�' T t . {G4'E�.s�i_�S T'S' -- . !t 1 ST �':EE F- — Jkw TY¢1 +..�. L. M lrf� : �'i S!`i} - -• 6. ! Tr-'• �'".L!''s ^- � �. 9-4 i kt, 0tr3 Y 3�i'': S': i•i : ��` 3•i:.L I �'1 S ��Y': �.K a ? Y .f �� :1"�: ( a`•{ t�tfti } t. ►:. .� Vii:: CtStbi. C•LiY :i`iyF :: ti_' " °!'....sr l:? "1 LO7 7 .^':fit } ?FF CCtEF 3 C ' EN7 _ .7(,k6&, .�i.Ltxti' -S�ti {-'s f )'?::3 -) : ?'� :.. �, : =:�! ..: # . i� :{C� ��•{; 1 >�F'tF:;E3"� F�'�t��1 :S�'1" ::F= `'> i = .... ! :_, SLIMMED t��":. ^_if ; i <'_.: �. •- i ..'M6:3 ? C? > l -si... ?" :�th:C t?= F' j L: t' E :i ... � . i_ _' E`var .ti�. Fi4•S'S:_!s ��__...�t.: > �_. i.7i(1 } . ty� y3titL It w�. DEPThttF EE "':t = . 39 HA , -FSTREET ,'k'? Fr O +. "i :i •w: f S l � _ ...._ {_ . } i Chi C,'r :_.. ).iit1. . {!5� 3. ! 'f' =- �i Y rrrr •F. rr rr rrr Y rr v! ip. rsr. r rrrr i r. 'l•+. r iF rr r' •r r r t/ r -r r I& r.. s• Y. r iC• r 9.• r 11 if r rr r r. rr Y.• r ► r.• F=LOW 3't i` +�`> : ��. �'kw; :` t'ti i} % : # it.'.. +t+tft T{s t'iOD `r } } i'rESittNA T C FOR . :'�c saac.ar rassasr. ass s.: r �-_• -•_. -= a: .•__.. _. a•:ras w: _�:x.ay.: -- .�_�__.... _.. 'e. —._ -_ _.....•as s:.r.�.s s: .r:sr. a:'.r. -: r•.r. �� : :.a•... -. _..... ...._. r_.res•:rsasarasra sr.r:• rrr.rrrterr•r+erVIL**.r�•r•rr•r i► rrritr r•.• rrrr r• r.••+ a+ rr.r rr rrrrrr rrrrrrrrrF.- r•rrrrrrrrrrrrrrior S"i_isW _ RO. - SiS F'F:.'ith•. N t.DE 183. 10 TO rit_s. E 163.42+ i S CCiD - -- ;F } } ;• } ; Rs�aT I CJrtGei.. METHOD INITIAL SLtL rq.A.lE A ANA Y S 1" 5 ': Of i < < CONF L UENCE UENCE VAL .. ES `� {� :.�( F [t �, y'i (: S .: S' ►E. !'i : �, ' �'. �3 Y " i ' )'r :_. . #� : r /i:__ i <3'= C :;„t�{��t`t .' t ?3•s > . C ?:4 < !r. 3 , � ±C::_ .r +- .i �. _{�� INTL T Ct� A. STREA ARE - _ • -- :. rrr.rrrterr•r+erVIL**.r�•r•rr•r i► rrritr r•.• rrrr r• r.••+ a+ rr.r rr rrrrrr rrrrrrrrrF.- r•rrrrrrrrrrrrrrior S"i_isW _ RO. - SiS F'F:.'ith•. N t.DE 183. 10 TO rit_s. E 163.42+ i S CCiD - -- ;F } } ;• } ; Rs�aT I CJrtGei.. METHOD INITIAL SLtL rq.A.lE A ANA Y S 1" 5 ': Of i < < DEVELOPMENT IS: SINGLE FAMILY 4 1/4 ACREt TC K-r 4LEN0THi n*3Y/ (ELEVATIQt't C!•'lANGE)3 **..^_ INITIAL SUBAREA FLOW - LENGTH 700. ovk UPST A ELEVATION _ # y:98. so DOWNSTREAM ELEVATION - se8dt.50 ELEVATION D I F= F•E 3E NC•E - 14. 00 TC - . 393s C i 742!tth. t2u -*-3) / t - # 1. 79 i0.00 YEAP% Rya I N." ALL I NTf:.NS I l 'S` S I NCF-t, 0UP - i:. 6z..6 SC4 CLASS IS " SINGLE - FAMILY l # /4 ACRE LOT) RUNOFF COEFFICIEN z' . 7303 SUBAREA BAREA RttNOFF 4 CF S) n 8. 6 TOTAL APEA 4ACRES} = dt. 60 TOTAL RUNOFF <CFS .Y - Es. El •M•r. * tr• •Mio- V. * if *-Vr ►ir •ri ifi! * * tt i`14i` it• i"* Vl * *r i!1► M K M i•ir ' i~ FLLtw PROCESS FRom s'2E {r►E 163.00 T�'t NODE # 190. 00 15 COX)E = 6 -------------------------- --- ------ ------ -• - - -- ----------------- .----------- . - - - -. } } } } } COMPUT STREE'TFi -OW T PAVE LT I ME: Ti-fPU Sl. BAPEs Y asasrrasr a�asa :e »s.r. »z.= r. » srez•.r. r..rrc r= ».r ».-.rr aar:s.=a•mr rrar. raesr re ss w ser.- v.s =r=r rr. er.s c. r:.« �rsr» ar s: »s xsr =r sr »a.-r UPSTREAM ELEb'ATl 50 DOWNSTREAM E.LE4'ATZON # iota-':. 00 STREET LE = 500.00. C URB HE IGTHtINCHES) == 6. STREET HALFWIDTH• FEc_T t - 2'4.00 STF:EE"T GFtQBSF�rs..t_ :DE t E. ►�?t3i_} - . tc�i_9.� SPECIF NL`MF OF HA FSTREE S CAR5::Y3'NG RtNi -- # Mil- s+f- T!r`Ei 'i .i tr w COMPLITED USIrl{1 MEAN Fi_.EtW CF4Y S ttKE: t t ittrwf'.ii:L= 'its��'tLTJ' = .59 �tJ �F T� !?T t:wEJts; %vt.IErT!! {FFETY #:. 0.*.S Jslr'E4': {lti >w_ :_tier' !r'�i.CS4:S f ! ��'GETr 7 ►. t # r1 :_r r:.ti. S_t': E.' rf' 1 ;� !t•:4' =.�.i =3C:3 T `r` . o # . 53 S i F E ::. l.. a. 4 tr. ? . •: i•!i =.._ i � rPi_ � ir: t �'� ,'! r. .5. is ti.V< TC .1 r n IN .? .i t'l { f._N l t Y 4 .{ � C.t :- L•.- Fd: `.�".! w t" i 4_ ! :. ' Z O Y 3 S " 44" s' : # '`•S lCY ;fC_. �.{�!. • y !'�St'l: t'. E,��t }. �: i.:.S:J'1�? c i' # 3 i' .97 i' END t_'; ._•t' :r r.ZFP S. 4 FIE' S f L4_t4J !-tf=a L t S T RF E: I F= L EtOtrW i D T H % F'" x= % > =. 15. 5p F:_�'s, i' � 4_t.•I ! F`Eti r . t. i .» i::. Gam a #. t. •M• �! i!• iw i'!• it Y• iC' i�.` V. K. V. •f... it .t IV, i•. * 0. •F i.! -KM V. *L K. it it •M it• it it iC it. i .. M •1! V• i!• i` •IF iF it• •i! it• i!! it 4►. M.• it •1! M.• i!• if it •R• •M it• i! i! FL(t;•' 1•'h:Lt_ -. F" ^:L'rr f'J:?LrE 3 < 3.. ;2k TO N{tIAE 160. a I S E:ODE .r. it 'C? M-FS3` -It4E fPE.Ap-i f = L04K YEAR RA INFALL tu5'FJ:. L a `'l f EN5 !� � .i y 'i 4_• i`�ctLt r•i r n_ ? 5 SOIL CLASSIFIC A'`'IZt'l IS "A" S 3' NGLE -F- F M- 1 L `s` ! # Ids f4t RF: Lt_r'? :r F UNi tFF E:; iEFF s C. I ENT =• . 71 t ;r SLR44RE A AREA I . 4: *zit S1 _ ?.;AREA RUNOFF -- 5. �.� + T OTAL P=zE :. ; 4c'•, ;4t %Cti RUNOFF {CF_? 3 7.:.`y TC;4M -- # ti. 99 lt• i! i► ik •M it it• K- it it M i! iF if it• it i'!• it- M it• Al it •it• V i! it• if M.• i! it it• i!• M• it it• i<• it• •M• i!• •M •N• it N. •M •it• 0. # fit• i?• i" it iF •Ik K• •K• i! •M •K• • t •M!' d F,_OL;. PROCESS FR {. ?> t itJ'. +:. .`. C3ta . 4L•w� TO t'�{..•C. %: 18 v_ e a. .. is i. <:. %`. -• I:'':S.rE 'E.' , 4L.rG!tT f REj:.tr FOP d `{-t + } F3t4i r C �3iA:.':.. ?'�: v1 4 ': 4_t i t::.'• Cot� 1. "' i. -_� E_ C i'i. i..:.i .. i :� i:.- ¢ ,'n 5 . � I r 1/ } � r r ; a. « » » »xr » ». . sr » ».. .r. sr..::.:::a. « r..::. » »:�= - aa'= :. «. .•::::.:: «sxs:.�•�•r..rs c. » »rr.r. r .r: . s:. «.r.. «.::.c »t::. :v.r.r_r.«�•.«r•� _ !i`ALU: US( ri FD . : I m 4. 4 ' i_ Or.:4_'E.N. ' i-l : {-��'. S 'r..'. "r {: ,�.!_' '_`• I » . ' • `�V `_V !vs'"J -1 l.. I i':T:_!'f i 7 4' 1 vt ='� -:.'r: f•�i+tf Es <{�3L•"`: ` .r =• s. rC�. s:k�' {Ty }_ �_ , "�iEL ;'f �ti_�y'lw ► % : CF Ci f• AT CONFLUENCE' - 17. aIR STREAM RUNOFF T INTENSITY NUMBER ------------------------------------------------------------------- 4CFBY (MZN.) (ZNCH/HOURY a4. 9a 16.e9 a. 1614 3. ee 15..R e.lge 17.69 14.99 a. a7S PAINFA�L INTENSITY AND TIME OF CONCENT PAT .Tfat-1 RAi FORKULA48SCY USED FOR 3 STREAMS. VARIOUS MNFLUENCED' RUNOFF VALUES ARE AS FOLLOWS: 4 5. 1 ka 4. 43.66 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF4CFS) - 4 5. 1 Z TIME4MZNUTES) 16. ism TOTAL AREA4ACRES) - e•. 60 FLOW •ROC-ESS FROM to 180.00 TO NODE 190. 00 Is CODE" 3 )>)>)COMPUTF PIFIEFLOW TPAVELTZME THRU >.'e>).kUSING COMPUTEP-ESTIMATED P-IFIC-SlEZE DEPTH OF FLOW IN 30.0 PIPE.. 19 al.9 PIPEFLOW U;: NODE 70 D 0 WNIS: NODE FLOWLENC-A*. ''.* 6 ; 10. 0 0 MANNXNG�i N .10i.3 ESTVr'ATEr, Pli-`C 3421. 00 NUME�!�7P i- PIPES rr THF�J 43.# TRAVEL TC-41t.11N. ) - I - i*. :t 6 .1- -K 4t V. -0. -K-4t ar ie V if. it i. N it a •o •#.• *it 4f.. *i! F: OW PROC;E FROrl hrODE 1 TO CODE I ) 't ).*+ ) rE 1 GNP E: I NDEPENDEt ", S. T CONF"AJENCE: e. ". " . • C0NF-t-4•NC-r V44LJES FC.`!Z: I TIME 0J df St iF-1 * -wl iv. •V, * -V. -w. -viol ol *4e4" V-44-* 4o. FLC - vi czc! is > ) > *? > RA ZONAL ME T>' -ir�r( I N I I'Z i;L SU.&ARE A ANAL Y 5 15 ". f 0. 4 -f ASSUMED 11".1 SUBAREA UN IFOP-, D-EVELCIPMENT IS: S .. NGLE K* E 4 LENGTH*-) 4 ELEVAT 1 014 I.NITIAL SUSAArEf:k FL-Ctr i----LEN5 1 •-' = -450. 00 UPSTR AM ELEVATICN! 1 2-78. 70 AM ELEVA T 1 2 - 7 1 . 7 1 1 5 421. 4 -24 *,3 CLASS.1 ACRe LOT? RUNOFF COEFFICIENT c -7390- 15. 41 TOTAL i. 9{2! 0'," y Y Y Y > D ESIGNATE INDEPENDENT STREAM FOR CONPLttENCE < < < < < Y > Y Y Y ANEr COMPUTE VARIOUS CONrLUENCED STREAM VALUEiS < < < < < :.raaarsyszsssaararss tract araasrsa ar aresssssa+rsa ssa rasa rrsa asass sr �• s.ars rasrsar sa s ss ssrr s: s• =rasc -act CONFLUENCE VALUES U88D FOR I NDEPENDENT STREAM E • ARE.- T I MtE OF CONC RAT I i_tM: <Mt I NUTES 10.40 RAINFALL INTENSITY IINCH.. +`!-tOURY iE:.83 TOTAL STREAM A REA < AC RES) — .:. 90 TOTAL STREAM RL.N0r —•4= , Fr) AT GCtNf -' UENCE — 6. 07 CONFLUENCE ZNFORMtAT.T.ON: ST REAM RUNOFF TIME INTENSITY NUME -CER <CFSY <M ZN. Y 4IMECt•4.rHOURY ---------------------------------------------._-----------_.------------------ 6. $ < 1 0. dt+iZ. :. 83.4 RA I NX AL INTENSITY A' D TI ME OF CONCENTRATION RATI FOaMUL.A (Sf%C) USED FOR a STREAM VARIOUS COiNFLLIENCED RUNOFF VALUES ARE AS FOLLOWS: -t 9. 61 33. 37 COMPUTED CONFLUENCE ESTIMATES IM3ATES ARE AS FOLD- -tbtS: RUNOFF i FSY — -4.9. 5# TIM4E <MtINUTESY = # 7. 160: TOTAL AREA4AC.RE :Y — 30.70 4t- w- W4t4e* V.-*•+ rr. a► +�r$v**- rrr.**• r.• r.*•*•*•*• r. r. r.** it *•**.**•*•-K•****•**•*•*• ir• r.*•*•*•*•• r.*• * *• i!i!• *•*•*•*0r* * *• i6it i► ir K � it FLEW PROCESS FROM NODE 190. 00 T O t' O LrE 195. IS CO DE •= 3 Y } Y ) } C:;_tMfs••Lk P I PEF L OW T R! V L T S ME T t- RU S UB•i•"tREA •; e' < < < Y `r Y Y ,`e USING CL ?Mt-JTEF: —ESTIMATED PIPES :Lf. a:iaSJ4 =3CSTSS T.T_GS:��CC.T.:: TTiS aCRST 3s= iT��.Ri'C.�.T_ TT. T.T C26CTr_ sr.vra•as•rr.� �srs•. —sue � _ .� --------------- YYERT!} t�F' E'Li ?�J I �t 33. �i"V I Sk[ r-3 �'I C•'E I �i .::i. =!• I t'tC::s�:_ �=c PZ PEFLOt•.' VE'LO I T if ; FEET.' SEC. ;r I a't. I UPSTR..Aty# t'itErE E, EVAT IDN = 1; i #. 7 4't S. o. 00 MANN.*! 016,15 N •— . 4= � . ES 3 `fi=t ED C• ` B Co ! !b: OF yi. F'IPE;rL.CW THj:; •4 9. 61 TRAVEL T m Ir , . '? :6. 55 *• •!t ac rr.• M i!• it �� •M •it x i! ,!• * ;r• •ri •N i!� •i!• *• tr r.• *� it *• *• *• it i!• i!• * ie• *• a!• i! *• it iF i! -* i!• i! Y i' *• * iF i! *• i! •r i► •r.• Y• ie• it it i! -r iF * -i! -iF •M y- �t i!- i � •w r. * *• •r.• •rF ;t •+!• FLOW PROCESS t+:GL?E 1 `tSt. tc'NC TO NODE i 91. 00 1 2i i - E = 3 i Y i } :D E5- %3!vs"i' E .0 !tiI >« )':,:. yv. % = ^: i S i I -re} PC!!..; . e e. . . .S..SS.�.SS..�'.S t —_. ��— �.�.T�— •"C— .'_•.�.. :�� �•.�.�.�SSSS.�.�.T. �:.��.�.'S. T.T.fy ..�..: T. :'.�.�.�L�.��.5�...._ —. ... —._ —_ .� »..._.. y� :S: S.S�.'�5.� R.. CONFLUENCE VALUES Ltf.:Ei — e t'fts+: INDEPENDENT DEPENDENT ST?,'EAm 3 C -tTA S T ?EA -- AR �a ! : =h: c i.� _... 30. ; tiz -f T AiL STREAM •+. E• •I.• * i! ir il' M it' V.- i' * 4!• K• «• M i► * *• i! i! -t` 1► M.• * Y.• it iR• i! i!• Y• i! •1! it *• i!• Y. i!• ik •M i✓• •IS i! •i! i! i► it K. i!• i!• iS •M! *- ik •Y!• •N •• . it i�� •1 i+ •M• M Y *• •W *- i' *• it• i! i! ♦t• it' *•'M i, F_.c: k PROCES FRO 1 Mai_ s = :r i N i . { AL SLIBAF ;' A Af ♦i!)_ S• 1 ��s::.rr =s.� c�— .�.= �...— �._.— ...... _. —_.sr � �.- .�.•::.- .�.s�_..— . _ . ._� = is =.r= sue _.._. mac.-- _._._: �_-- .x_:�. _•._.._ ==_ —. —. =� t.rr_ -: s•= ASSUMED IN T I li.. SUBAREr$ ut'JIF= LtRM> DEVEL ;_OMEN . SIN'GL.F PAMIL's` <I.'ter- SC. .» ' t < LE: Vilf ZON 3 1 NI T I A — Si3I-�'%APEA f'ti'to. k"'tk-z Ui > ST3`.E AY, ELEVA % .. i`t`v = 12 7 di. tL -40 TC - .393wf4 700.00-*3Y/4 11.00y3**.e - 1E.380 10.00 YEAR RAINFALL ZNTENSZTY4ZN•H/kOUR) - Z.55a SOIL CLASSIFICATION IS "A" SINSUE-FAMILY <1/4 ACRE LOTY RUNOFF COEFFICIENT - .7367 SUBAREA RUNOFF 4CFSY 8.34 TOTAL AREM ACRES ) - 0.50 TOTAL RUN OFF 4CPS) - 6.34 E FLOW PROCESS FROM NODE 195.00 TO NODE 1555. 00 IS CODE )>>)>DESIGNATE INDEPENDENT STREAM FOR CONFOUENCE<9444 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM e ARE: TIME OF CONCENTRA•ION(MINUTEST - le.38 RAINFALL INTENSITY 4INCH./HOUR) - e.55 TOTAw STREAM AREA 4ACRESY = 4.50 TOTAL STREAm RUNOFFICFS) AT CONFLUENCE 6.3(4 Fw0W PROCESS FROM NODE 193.00 TO NODE 1 95. 50 IS CODE 21 >>>>>RATIONAL METHOD INZTZAL SUPAREA ANAWYSIS<?<<< ASSUMED INITIAL SUaAREA UNIFORM DEVELONMENT IS: SIN3nE FAMILY 11/4 ACRE) TC CHANGE)2**.;i� INZTIAL SUBAAEP UPSTREAM EL 1:: - 7 0 ELEVA7iDN 1266. 10 ELSVPTION DZFFERENCE TC. .r. .393*Zf 10.Oe YEAR RAINFALL ZNTENSlTYflmC"/KOURA 90:L CLASSIFICA710N IS "A'' SZNGLE-FAMX,Ytl/4 ACRE LOT) RUNOFF COEFFICIENT - .7z2I SUBAREA RUNOFF(CFBY = 10. 00 TOTAL AREAtACRES) - 6.40 TOTAL 1+:UM0=Ft01. Sj z0.40 FLOW PROCESS FROM NQbE i95.50 70 NODE 195.02 iS CODE T -zl >>>>)CeMPUTE S!REE?FL5W TRAVELTIME THRU SU&PREQN440; I&E. I? DOWNSTREAM ELEVATION 1563.00 STREET LEAaTHIFEETY = •00.00 CURT HEIGTOVINCHESA 8. STREET HALFWIDTH4FEZ7i aO.00 STREET SPECIFIED NUMBER OF HALFSTREEYS CARfYIM6 RJNOFF ww7RAVELTIMS COMPLTED USZM& MEAN K"OW4CPS) STREET FoOWDEPTH(PEETT - HALFSTREEW FL ii_ DW3bTH(FEE7f AVERAGE F"Gw VE"0CI7Y4QEE7/SEC.) 3.1. PRODUCT 0 DEPTH&VELOCZTY - 1.75 S TRAVEL ... vE4M!N) - 2.12 TC(MIN) 17.0-4 :-0.00 YEAR R•ZWFA"a lNTENSZ7Y C m/ 4ZNHOUR) 2 z .oe SOIL MASSIPICQ720N Zs S!NG,E-FAplwY(s/4 ACRE 0071 RUNOFF COEFFZCZENT - .7007 SUBAREA AREA 4 AK: RESY 0.00 BABAREA RUNOFF(C=S! 0.00 SUMMED 6.40 TOTAL RUNOF44CF&I ENE Or SPIAREA STREETPLOW HYDRAQuICS! DEPTHKEET, = .56 SALFSTREET FLOODWIDT04FEET) - FLOW V1LOCITY :FEET /SE C.Y - 3.15 DEPTH-VEnOCITY i.75 �rir�e•xxrx••�rxxxie•r. xx+rxxxe►xr. xxxes• �e•• �c• x�rxxxxir�rx• ieieirxxx• �xxxirx• �sxxir• ri! ••+e•�sx•�•xxxerxxx•xi►.•r.•r. �r.•i:•xtxrr FLOW PROCESS FROM NODE 193.1 T O NODE 195.00 I S CODE r- � ---------------------------------------------------------------------------- ) 3))) ADDITION OF SUBAREA TO MAINLINE: PEAK FLOW { ; 4 f < saa•rss smaasaaaaa aassraaasasraaaaaaaasraasasrasaassaaaaa . sm aaaarrra ar. rs•saaaaa:erosras+a•.ssraa� s 10.00 YEAR RAINFALL INTENSITY / I NClif`!•ti:tt. RY SOUL CLASSIFICATI IS "¢a'• .SINGLE— FAMILY 1/4 ACRE. LOT) RUNOFF COEFFICIENT — .7007 Su&AREA AREA 4 AC:s+:ES) = •4. 00 SUBAREA RUNOFF 4 CF8) a 5. 90 TOTAL AREA (ACRES) = 10. r''440 TOTAL RE-!Nt'3FF SCFS•r 36. 30 TC — 37.0 -4 x r. xvrxx xx�e�t•+rx+�xxxxr. xxxxi<• xx xxxxx •ir xxx�e•x xx �•r.•xxx x xx -r. xxxxxxx+rx FLOW PROCESS FR NODE 195.00 TO NODE 195. I S CODE a � ))))) LIES I G3NATE INDEPENDENT ENT ST REAM FOR ))>>) AND COMPUTE L'AR:{DUES CONFLUENCED STREAM VALUES-f-flolif asasrresrassrmrarar ararsa -ars aaarsrrrssa.rs seta arrr.�•esassar_aaar.sraar �•aaasraats•rass:a�raraarr. sr.ra.r CONFLUENCE VALUES USED FOR I Nr.rEPENDE - NT STREAM 3 jaRE s TIME OF CONCENTRATION/MIN = 37, Q2t-4 RAINFALL. INTENSITY .'ItNCH..•`F-lC3UPl E. TOTAL STREAM' AREA 1 ACRE S) — I Qc . 442t TOTAL STREAM !`'rk.tNOFF /CFS) AT Cs:sNFLUENCE. — 36.:340 RA i'' PALL. I N > ES f5I ..j Y Ar:4D TIME-' 0:* Ft rsKlriLtj. }at �:��:: USED PO?_: 3 STREAMS. ►IA�sI tst ?S C{ t�':� �._j ti:''ti_:. > Pilt-1OFwF VAL A.r'(• _ AS, ..C- 5.3. is ` 6i.!. 76 t..�`K.._. 7 �•nj %') li.''..�:.': "F"ir! is : {_•t4'>Z 73,65 TIME iMS;NUTES) rr ?Et.:_t;'?: ' = 4.5. 61.0 x it• it 0. * V * i► * iF Y * it V. it• i► i! i! ib it K. it •Y. # i!• it H. it• it * it •M.• N •M! it.- K i! it * * * M• it it •M• * it it i► * it iv if' it Y •i! i► iF i! i► R it M it x it it i► M ♦! it• i! it i!• ik 19-5.00 O NODE" 1 9 4 5.&Z ::= t:t.'•tr�_ = ti< ). {t!'r <'-'�'T!_ !•='3t'- 'E�LC>Eh` �:hY4s��Str4t.: �"Fi4t yL�itf ?�:EFS'. ': '`. . ))))) L!a3 :`'lid C` !�� ='tt F= F - -�: s ? "I art{ -T? Et:, f• •E �i , - :r' /. hl{:3r'1— �:•F��:5 SijR ' t of s.r.s•asasaarr asr.raaas.ssr.rarss.arr.•r =ssa scaasrsr.�•s�z.ssr..rsssr r. rr.r. a= cs. ::ssar_s- ar.r..- •- rrarssrr,assa ssr -ss V ..PTl OF Fl-O I N.' 3EI. I NCH PIPE I :.S a 7..S I •"'1ST"`! `.. P IPEFLOO, 4 'ELttt I ' Y F EET ": ) -'• s '._`! LYCt{.tNS REAM NODE ELE 4T_ZC!y': = 3i_°'C!. 00 6=L.�!t•tLE�1f3Tlt!f EF > i _ 350. 0•i4 trlb- 4NI3'J:s N ••= . +.'.' E `� -. > MATED PIP L`r Z AME"T:~ R ! I N l;) r: 361. k'?r`� t�tt fr^�ts� t=' � �F �•.; �.E � — 3 TF-D6:'t_t r° A . 6t i ;_ T dME 4MIN. :r • -• . '`i i' T E: x ir k it it 4t ir••fiit• #i!i!i!•it it i!•MMMik•Mi►i!•M.• #i ! i!ilik #itilili!••Y " ili►it iF if i!•M it it iF ititi!•if ! t. •It• •r. it i'•it i[ #'IODE_ 195,60- T O NODE 192i.60 I R C:ODE: I1E °ift ►4f TL I f':L►E1- 'E:`�3 >Er': 3 STR'EP FOR .resasz �srra �asas .rt as.�•s ;'.�msr..s.= s.�.rr .r... r:r..cs.-= axsmr..ss >: aa= ._.- r.- r:-r..r s= .=cr;: ••.- • ^.--- _- . -.• --. -�-- -.._.. CONFLUENCE VALUES 0—: Ei3 FOR S T RE:r4ry' 1 ARE S 3 R A:m RL.tNcpFl" TI ME I NTEN SI TY tvUMEcE3`': CF S. IN. 3 4 9. F 1 16 . 5 S 6. .S`! 1 0:. . a ii:: 3 3 6.:- <4< 17. it-If L. 106 RA i'' PALL. I N > ES f5I ..j Y Ar:4D TIME-' 0:* Ft rsKlriLtj. }at �:��:: USED PO?_: 3 STREAMS. ►IA�sI tst ?S C{ t�':� �._j ti:''ti_:. > Pilt-1OFwF VAL A.r'(• _ AS, ..C- 5.3. is ` 6i.!. 76 t..�`K.._. 7 �•nj %') li.''..�:.': "F"ir! is : {_•t4'>Z 73,65 TIME iMS;NUTES) rr ?Et.:_t;'?: ' = 4.5. 61.0 x it• it 0. * V * i► * iF Y * it V. it• i► i! i! ib it K. it •Y. # i!• it H. it• it * it •M.• N •M! it.- K i! it * * * M• it it •M• * it it i► * it iv if' it Y •i! i► iF i! i► R it M it x it it i► M ♦! it• i! it i!• ik 19-5.00 O NODE" 1 9 4 5.&Z ::= t:t.'•tr�_ = ti< ). {t!'r <'-'�'T!_ !•='3t'- 'E�LC>Eh` �:hY4s��Str4t.: �"Fi4t yL�itf ?�:EFS'. ': '`. . ))))) L!a3 :`'lid C` !�� ='tt F= F - -�: s ? "I art{ -T? Et:, f• •E �i , - :r' /. hl{:3r'1— �:•F��:5 SijR ' t of s.r.s•asasaarr asr.raaas.ssr.rarss.arr.•r =ssa scaasrsr.�•s�z.ssr..rsssr r. rr.r. a= cs. ::ssar_s- ar.r..- •- rrarssrr,assa ssr -ss V ..PTl OF Fl-O I N.' 3EI. I NCH PIPE I :.S a 7..S I •"'1ST"`! `.. P IPEFLOO, 4 'ELttt I ' Y F EET ": ) -'• s '._`! LYCt{.tNS REAM NODE ELE 4T_ZC!y': = 3i_°'C!. 00 6=L.�!t•tLE�1f3Tlt!f EF > i _ 350. 0•i4 trlb- 4NI3'J:s N ••= . +.'.' E `� -. > MATED PIP L`r Z AME"T:~ R ! I N l;) r: 361. k'?r`� t�tt fr^�ts� t=' � �F �•.; �.E � — 3 TF-D6:'t_t r° A . 6t i ;_ T dME 4MIN. :r • -• . '`i i' T E: x ir k it it 4t ir••fiit• #i!i!i!•it it i!•MMMik•Mi►i!•M.• #i ! i!ilik #itilili!••Y " ili►it iF if i!•M it it iF ititi!•if ! t. •It• •r. it i'•it i[ #'IODE_ 195,60- T O NODE 192i.60 I R C:ODE: I1E °ift ►4f TL I f':L►E1- 'E:`�3 >Er': 3 STR'EP FOR .resasz �srra �asas .rt as.�•s ;'.�msr..s.= s.�.rr .r... r:r..cs.-= axsmr..ss >: aa= ._.- r.- r:-r..r s= .=cr;: ••.- • ^.--- _- . -.• --. -�-- -.._.. CONFLUENCE VALUES 0—: Ei3 FOR S T RE:r4ry' 1 ARE TOTAL STREAM! AREA <ACRES) - 45. SO TOTAL _ STREAM RUNOFF {CFS) AT CONFLUENCE 71.65 w♦ exi► aear�rxrric+ r+.+ riraririo-ar*. *4**4t*frrx+er.+ettie n+e rt�l�t+t r •r M Uaa�.♦eicir+ris+ral �lit �. rc rr. k M Mlil K i. rcr.i.+e r FLOW PROCESS FROM NODE 194. let T O NODE 194.10 IS C OD E a 0 -------- * -------------------------------- %) >) > RAT I ONAL METHOD I NIT I AL SUBAREA txsrcasaseasvassrs�aassssss�•ss =•sr �•sarax_r. =.xs =. Grass ar s¢.-.-. x.-= sax csssssss= aar.•xssasys.�mssss.r_ ASSUMED INITI SUBAREA UNIFORM DEVELOPMENT IS. CONDOMI TC - M*C SLENGTH**3) / {ELEVATION C:}-}ANGE) 1**. c': I NITIAL SUBAREA F;.OW-- LEN(- s }-t - 730. 4Z'tO UPSTREAM ELEVATI = 1282. Ott DOWNSTREAM M ELEVATION = 1 iE� 71 . 40tO ELEVATION DIFFERENCE T 11.0122 TC r . 35 w { 73rc'`t. t['tk i 1 1. OOY : -*. E ._ 1 0.00 YEAR RAI NFALL I N i ENS I TY t F NCH/}'•?t=tURk SOIL CLASSIP ICATION 19 "A" CONDOMINIUM DEVE LOPMENT RUNOFF COEFF I C:I ENT z rs• UBAREP P U 3' OF F ti CF B) - 4. 196 11. 8 .3 E l E . 655 1 .7670 T OTAL A Ei a { ACRES 21. 4 it't TOTAL RLllvt= +t= s"= { Ci- ; :r " dt . 66- +e •r x•�!• arK•+.r. *• is � r. •r. -ar r. r. +. x• �r+t r. n• ie•r. i.• r. �• it+. i. a• �!• tt rt -at i.• it it •► ie �• it.• r.• •r.• i.• it �- it• re• •r. r.• •r•+t i. •► i. i. it i. •x• �. �rt• � r. i. it i. r. * �. a. ar •r.• it *t •r.• FLOloo' s-IPOC:ESS FROM NODE 1 9. 4. 1 k!t TO NODE 19 A'S { .m 5 r a ! } } L.�C.tir }l•'Cf i E f Ri•t�'E ii:•i 3.t�•S:- - i.�} - }ti?'�it�t; -�. F}...Ctfr� •; •: S �� { a.- s.T�•- ssSr�ar.s t.�.�s TIC.- _�'T.�...:.�: T.a: �.a� �SZ•.i.» �s.x TS.a.r.- .va- - - - - -� ••••�•. -•� �.- •••- ••••��•�- •-•�•- _ UPST NODE E: E4'f= T 100 ._ Y :2 7 1 . 42' it Y)Ctt. NST R PIr NODE 8. 54zz Ctii'sNNEL LENGTH T}'iRU L^'•}?BARE44FEET .''r 81 t.00 �.:}"'}ATwtii_: I:tA.`_i."- : E.`"_ F) _c i ti L4o "Z" }' yii.: T O.R - ice.'. 000 MAN!i:I >`'55 - .0! rrEP ' H <FEE % •= . 50 CH&14NEL FLOW OW ^ el -! A.. L r• 8 FLOW VEs.isCI T Y {F•EE i ".' aF =;= i =: Z . &I Fi..OW DEPTH <F'EE T) = .. TP.4b . •_ 6.. 0.4 T L_ ! M, 1 N. i - 3 /. 6C rtip.* A* i.• r.• r. r. 1r• r .i.i. it- ietrr.•tri.•o- *.•ie• v- r... trr., rr. V• t ir• r. r V.-ri►rir- i.ILw...ip.- � FLOW PPOC3: S FRD= -? NODE-' 2 9-4. 04 - 1 TO Ottt3 3 9�N. 80 .75 C' Li OF 70 6'EA srs.•r.•m•a :.vr --=: .s: =scrs - .cs: .•sr. .= � .r..c ..:rr s:rr. : -':. .•e' --: ..r. r.: :: _x >:. -e..= = •r:.r. rr= ts:.rrr.r..sa -rrc c•rres es•.r. .-: c.•a rr.sr. 10.0 0 YEA P;4Jrr qF .,_. SC4IL S: "A" CCNFrGM tit ? Use! DEVELOPMENT NT { „!!4{:rF CGEFF I C I EP47 • -• f'-t � i= `Z_'i aAREfs _ x.642? tii..f.&ARr:FS TC, t AL ! 7kEA El. 00 T {_S T f-ft._ tit. df 0 ! i►i. M. iti. i.r. l 1► 1t• it1. 1l i lie i►•+e . x i.• itic ir;. k*• ft it• i.• i. i.***.. k• Ri. M • r u.1 * it •K••i.Yy.N.M! FL-Ow PROCESS Fltii_ < {' k DE 1 '.8t'' S S i .i?i = 2 ?.')) > DES:ZaNATE 3}rtitS� >•'!_t�ti >ES4? �? ftiFfttfi 'L!M i f_}.'Y?= L� }EitL't { r' r,' AW h IY )� - fry "a. `C C T :;, .>Y; 5 t' t" ;r , ) ? A iF) [.�tf�i= ..._. �. ° f - f. �J!? _. �.:a.> t° �,_�.. "�,C.._.:ia��.. fi. ! r rsi_ _ __:.i . scr..sssrc �sa•.s rar.rsr. r. .rrY ,.a sr:r=.: .:: .rr.z =ar. :-= rsr.c� ..:.:�srrrrc.c: �= s:sr c -m. -= ryas c.r.rc== s:�srs s.s t•s.�cr.- -:.s•= :. CONFLUENCE t _ }?aE �t �': iFr I htE}� 'E��tFrEr.; _ S REs-•tM r `!E . car_•. }'!t- t3hJ °s =i�L. I�,t -' �: r't :.? :.: ty i_' - '. .•`Li �4.�k'? •T :', t�'�t =• t= t' - f�s� E ?�REt::;� �= sF+t > •'_f,: {t•i;_� °E E: = 8. k�4_'t STREAM RUNOFF TIME INTENSITY NUMPER 4CFS) 4MIN.) 4INCH/HOUR) 1 71.65 29. 1.97a e 10.40 17.66 2.06e RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA4SVC) USED FOR 2 STREAMS. VARIOUS CONFLUENCE D RUNOFF VALUES ARE AS FOLLOWS: 81.59 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOPF4CFSY Aor 81.59 TIME4MINUTESY 19.019 TOTAL AREA4ACRES) 51.60 FLOW PROCESS FROM Norte 195.80 TO NODE 196.00 IS CODE a.- 3 ) > > ) COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA44444 )).)))USINO COMPUTER-ESTIMATED PIPESIZE 4NON-PRESSURE FLOWtc4444 DEPTH OF FLOW IN 48. INCH PIPE IS 3?. INCHES PIPEFLOW VELOCITV4FEET/SEC.i = 7.9 UPSTREAM NODE E:..EVATION 2 258.5e DOWNSTREAvt NODE ELEVATION FLOWLENO7H4FEE7) = 130.00 MANNINOS N 7 .013 ESTIMATED PIPE DiAr.'ETER4INCO-') =7 48.00 NU'oBER OF PIPES r. 1 PIPEFLOW T"10 SUSAREA4Cr:SP 81.59 TRAVE,. TIME4'PaN.) = .aa TC4MIN. :7 19.as, * it*V.1.0*VO4011***,,*VV**41*4t*V******4!****W**W***A*-N*It****it*V***0*V********ft****A* FLOW PROCESS PROM NODE 196.00 TO NODE 196.00 IS COL' =7 1 ---------------------------------------------------------------------------- J&CSIGNA INDEPENDENT STEP°r; FOR CONFLUENCE • CEr VALUES USED FOR INDEPENDENT STRE# 1 TI'rE c. CONt. A:AllErNcv"INJ = 9 29 RAlFrL LNTENST7r CINC./tIOUF../ = 1.96 TOTA_ ArEA 4ACG:ES = TOTAL ETREP' RUNuFC-r- P CONLUENCE 81.tr9 **V10***40101,01 gV*KV 0 **Witi r *WA*** . ilitWit*KMK*K*VO*W***Mitit****iVV***iV***4(***11***.M**# FLOt F'F.,7!CLEE FF.Ort r..cti 0 TO NODE 1 9. E = %F. >:>.?RPTiONA- METWITi INITIAL SURE A ANAL.VS:S% SL ON:POR' IJCVL-OEN" 29: CCr•4tD'2 't TE = &. C.1ANGE(2**.i. ANIT:AL SULkAREA %=...00-LENCITH = 800.00 UPE,RLAM ELEVA = DOWNSTFTEAM ELEVe=z = lg.:•73.00 tzLEWITION DIFFEREN,L = 9.00 TC. - .35ct*E4 600.00**3re r Id.; .0.00 YEAR RAINFALL INTENErr% = 2. E;:4 12LASSIICP IS "A" OEYELOPMENT FIUNO COEFF = BLIBArcEP RUNOFCFS rIREP!PCs:ES( = a.te TOrAL RUNOF:=4CFS( = 4 . ***** ** 400,- R 0 **** 41 *V*** 41 *** 40,0 ***** 0 ***0***A**V****1!*MitW*V4441***M.********V**O FLOW PROCESS FROPP: NODE 144.0 TO Nribt= tcf,=. AA rn = Y T Y Y Y Cc'#t 1 t. +TE STREETFLOW TRAVEL T I ME THRL! 8U&FtREA . << 4 d . sasats aesra�•aassras :aasssaa^sa.ar aaa ssc=. fn.+ s' a. �aw.ti rssar .waastssrs�•araessav :asssam rr._- UPSTREAM ELEVATION = 2 73. ete DOWNSTREAM ELEVATION = 1.°_'58. 1c'e0 STREET LEl+SGTH4FEETY = 9k,0.ir"t0 CURB HEIGTH { FniCHESY = 8. STREET HALFWIDTH4FEETY = 3Z.00 STREET CROSSF, LL4DF_CIM}`sLY •_ .0a4a SPECIFIED NaMEcER OF HALFSTREETS CARRYING RUNOFF •w 1 **TRAVELTtME COMPUTED USING MEAN FLOW4C:FSY = 5.41 STREET FLOWDE! •TH FEE Y _ .41 HALFSTREET FLOOrWZD H4FEETY 20.6; AVERAGE F VELc CI s Y 4 FEE 3EC,. Y 3.46 PRODUCT OF DEPTHaVELOC2'TY = 2.42 STREETFLOW T RAVEL T IME: MZNY =_ 4.34 TC . M:fNY .= 17.12 10.00 YEAR RAINFALL INT 4ItiCH /HOURY = :_. 101 S.O..:L. CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT = .7450: SUBAREA AR'E4 !TCRESY = 2.80 SUBAREA F::lNOFF 4Cs" _ • SUMMED A!•:EA4ACR{ •S. = 3.90 TOTAL RLthlOFF4L:!'•5r = E. 63 END Or SUBAREA STREETFLOW HYDRAULICS: DEC•TH4s-EETY = .43 HALFSTREET FLCsts:rWIDTHfFEETY = 21.61 FLOW +."ELCtCITY 4FEE i J`S C Y 3.75 DEP7H*VE _OCITY = 1.6E' irt* r.rriL!r.m.* 2s *** vir i`*** i►r r. ri" rr.r r. iti! 4• r.• ri!, irtiFit r.r.i`i►i►MS•Frikrrl4rriCi4**,- writ -* ►.•i"rr.rr.rr`iw FLCiW Pl+;C.i{::ESS FRO NODE 296.00 TO Nf-0: 296.0:a IS LODE r 2 3iJt•. Y Y : Y .' r7SE.i &!'i? -1TE S"('F.,`Z F; t4` COr.l ....U1::.?''ii E: Y . Y r • f4ttiiJ cOM E_ VARIOUS OU'S i_ Or'/!- Lc.(E'v E_? t;.- REILA it= ' tES 4 . 4 s_t_t: C•C i4 .-. L +E.`ti i.E YES L S D FCC C ' 7 -� .. C_ .: f4i. E•�''E!".li7E ;:T't+i{ }: r i:: ARE: T i! . OF CC ir.•C. RATION r.:i.t -° 27.L1 �• F !-f I !V? f ii ►. 3 ": L E :'Si .`�.' . t 'S 4 r'1i. - . . 1 !'^.`OU C i = 61 -{E . !•2 f ,r+ =-s «2 4f -Y{ > > ^: ^.:: .`f- U'v.? ! ? f ETF'::_ }, i .t.F 4C1=5 !s' CLtNPLk<LNL . •_ C:• Jn1. 71 - eta.[ ::- "L.*'EA"' Er., .' , r 2 8 : i . : 1 9 . , . : 1 9 1. 9n_ 6. i .. 17. . 1 !={_tRMULA 4 56 7 { t t_3i '..f ^' ti: .. - fY : fi.'r S . Sraf- tIJ C_tL E' i : .C.7 f:LZY.I -• VALUES 4 -' lam. _. �•2�� 67.94 C:Ci ;n,::.L' _ :37 C : &r'1= LL ±r' CE E :i-. ;s'm€: E_E f2 f _ AS F' ;_tLL S t_l; : r1._ " . y T Pr L 4 . ',' I rL4U_ .� i ^f > fT - �iY .ir ie•Y! r*#r*****rrr. ib*K i4ititit**it *N••K•itr •1!it ;e ie•it• r *r.ri! **r.i!it i! mit v **r****ikr. it i* F:« :iL,• PROCESS FRO''' c 2 : 9t. k >Ll - F ti COL, - CCSMi ...TC': t'if•C =._Cty, :fs4`c_._. i' :F ,.t .�_.C�Sa+T�'t'- . • r _t S I t'1{ -.z .. r•rrra c-rn. r =.r. �.: -.r.•_ . „.r.....- ._- ...._. .rs: r:.t r. . .r t r.�r.: �- r Ir �.-.r.:• rr..•, t. r. � zrc= s :.a.r. aa.srsc.� rr �atm•.rrs�as=�s= .v D f.`.i_ r`i 3 '4 :: '• .0 _ILL.- i L'i i' 1 -+ES !_�a L:•� } _.Cii.: t } :i_.ClC: L` 4 = f.._ •r�C.:. -• rr. 6 Lt3_S- - ?Z/A'' C....E:.Sr "i i • i _tt' • • -• 1.10,1 ti FEA- Nt_tLLt: tc.._E 4jf :!' : i_• -•• .&2:77.50 rr•l=2.`tiL1 :. v43 < .`•1 ..: . L'. EE Pi C'.'. i.i f-3f !' 4 t:•YC:!- = 5 oic'•' NUMBER ':r R C }F f-' %'E` =• 7, SJE 4FC :f.4 _ 67.94 *it 4e ye w 4t*l* * Wk kl* 4t4t 4t 4t 4t it lt4t -K •K. FLOW PROCESS FROM NODE 198.00 TO NODE i ea. 00 1 S CODE --------------------------------------------------------------------------------- Y > > > > DES LERNATE INDEPENDENT STREAM FOR CONFLUENCE < < < < < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I A F E I'ZME OF CONCENTRATION (MINUTES) — 19.6a RAINFALL INTENSITY 4I NCH. /HDUR) — 1.914 TOT91L STREAM AREA 4ACRESY — 55.50 TOTAL STREAM RUN OFF 4CFS) AT CONFLUENCE 87. 91if it Ir . . FLOW PROCESCS FRCIM NODE 19Ee. 00 TO NODE 1 96. oe I S CODE 7 )>),`>USER SPECIFIED HYDRCLOeY INFORMATION AT USER Vi.*i.'_UES ARE AS FOLLOWS: TC(M.ZN) — 16.00 RAIN INTENBITYiINCH/HOURY — E.17 TOTAL AREA 4ACR S) 53. 6 Ct TOTAL RUNOFsr4CFSJ? = Et t5t. 1 e, FLOW PROCESS FROM NODE 1 96. 0421 TO NODE 19&. CIO I S CODE" XNDZ PENDEN7 STREAM' FOR CONFLUENCE OUf3i CONFLUEN'CE.C.} STR•A. t.,AALUES VALUES USED FOR STRE44M 2 'TIME Ge' CONCEN', - RAT I ON t.* M I N'L47 E `S.) 16. aCt Fl A. N F = A I N TE ' •4.51 T Y ! I I C!' 1 0 1 Y = . 17 70 e REAM AREA 4AC`RES� 53. 60 I 5 - E;= - ,M AT s T. R Z-r Am -ReUPICIFF 67. RAINFALL VA,_t.tE;S ARE 4C.Qtffr-'tjTf.; C.CtN USTI".' MAT E53 AR'F jP-;iii FLit-LOWS.: 6 37 7?*.fMEl.*MTN?J7r_ f0tTAL 20 *4*40. F�A_44 PROCESS FROM NObE 4 - LOW I N 3_-Ij VE -_*0C. I T Y ofF E ET S—EC.. fit. FLOW PROCESS FROM NODE 198. 50 TO NODE 198. 542t *. S CODE ) }) } } DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE { { d d d sarsraesss+msmtaearsxrss Baassrsass:msm•:saesmassssam ssasasaeaaaas.•r ~ ssaa_rsmxa sasssamssss z:ss_ -.a» .r. CONFLUENCE VALUES USED FOR INDEPENDEN STREAM # ARE: TIME OF CONCENTRATION ! MINU T ES) 1 RAINFALL INTENSITY ! I :gCH. ,'!-10UF%f 3. 9c?. TOTAL STREAM AREA 4ACRES) _ 109.30 TOTAL STREAM RUNOFF t CFS} AT CONFLUENCE 18"7. ti 7 ********** iriexae * * * * * * * * * * *ik * * * * * * * * * * ** * * * * * * * * * * * ** * * * *ie• * * ** *+tic * * * * * * * * * * * FLOt••,t PROCESS FROM NODE 196. 10 TO NODE 19fS. l Qt I S CODE a. ) } } }) RAT I ONALI METHOD I N I { 1 14L SUBAREA ANAL `s'S I S ! d d 4 < assas_rass- asss: rasa_ rs_ -r sass.=• sas- sssaa:. aasaeasras .:ssaascsss »s_ra.- .assasasr nsasmazs•.assssa» ASSUMED I SU&PREA UNIFORM DEVELOPMENT IS. C -04D M I N I UM TC a: K *C SLENG3Hs *3. ,/ 4ELEVATION CHANGE) 2**. : INITIAL SUBAREA FLOW -- LENGTH — 700.00 UPSTRE AM ELEVATION — t 00 DOWNSTREAM ELEVATI s I ESEs. 400 ELEVATION DIFFERENCE _ 4.00 TC — . 389* f . 700. 004t *3) t S 4. oop 3 * *. 07 - 10. 00 YEAR RAINFALL INTENSI TY S INt_d-t/!-tOt, Pt •= SOIL CLASSIFICATION I5 "A~ CONDOM I N I t its! DEVELOPMENT RUNOFF COEFF I C I EN's = SUBAREA RUNOFF {CFS) — 4f. is 0 13.867 &, 36 TOTAL AREA t ACRES) — ie 34LI TOTAL RUNGFF t CFS) _ 4 . i S **** it** i!•* it* it•* it* itlt lt• * * * * * * * * *i[• * * * **it *it * * * * ** * ill kit ** t *A. FLOW PROCESS FROM NODE 198. 1 TO NODE 196.00 I S CODE a* S } } } } } CC�?�1 - 'LATE TF: ii�' E ii �.i 1�f:4i.— •f��!-ll�t�lNEL FL{�t�+l q •; { .; F ) }) :r) TFs�T4 "ELT•.i!�E' "i t #Ffi! +c!Ets= a�F:¢T •. +.' . armsses� -x »cs= .x:sc�•m.a. -= ssass.•z•s.x•az.asr.as =._ = .zx.a._ - .rs.a.•ra.•mr...:z µ.-.- _sa.= x.�• »a�a =_ .x•.a:x.•assa:uusesssss:assss UPS T RE AX l OD!� . E Y T ION x' I E 4-211 , MWNS T !' ::. NODE I 5 i .. «}'i CH14N!1.'c T?• R+ _' SL -'?PEA EA !FEE'.") - 8+2++.'•'.00! c�lis- i!'�t�t.�.s.. �;=�w ^`._ !.• "- ._ _ �) -� .'t�., ir"�:R .. y :r � t -'si �'�'{` >Ki •= a_.. Z "�zti4 5 Q Cf'f!#N?Ki_._ os+i _ , •�.... .4.. 1 5 FL FtW i.. «�I��T� ! � .:.._.� .` _t_ .r �- i. lh"S .�l_r: i !! ^I ��� 3 R¢3 ►,`E::._ 1.� ? .__ :3. 05 *-W*$- *** * * * * * * * *1.1 *V W.. _rl_t_r 7 y' -A. ti! -ftfi iC.4 it IV. r ir`•f`v •!t -W�' /.. ii! f.•*i'!V *-! * if i•�•i`i. 'F Y. •I• *tt *•'!. •P! # * * *ik * *9t * *T. FLOW PRiSi:E.`SS :C ? ,. t'::sF) # 4 :';_�« 5 3 -- ) :+ } } :r�}Ii�►ITICtN �.ts' S:k2:�t= S'�., ` >'ti >r��.isva.:a...._ i:E.4•� � . a•.sars »szaass•saaaar..sr .m. - :» <_��.:xc.- •.x•s= .r._a:.- : =•- -c: r�--"• ----r: r.: -. ._._ _... ___._ _.. y; �„r._..__...�sr. =xrsr. rr.:r= :r�.rsa.:: 10.00 YEAR RAl iii= A._... CLASS I F I CAT ID CON£SfsMZNIUM DEVE;-_0P: M_= ?1 S LfiF tF:c_t•; ii!+'r`f= r!�is;:?:L'� `r �., 0 :;'_`I�t >;: — A ^OTT.. A EA !f ?i R:_.` r c. . <{t" 3 { t ! >'••is.. �" . :;_ ! L >' u. `:; *it•r.• *it *ir• * * W it * it *•i!. * * * i!•it W. it•k *•it•Mtit•M M•i!•ikf.•A..W** m.V..9• A. *il•1R•i!•itir..*il it •it•ip.- **it•it -it ill. * i<.* A. F•K.*.0. -it. it -it 1!.d 198.52" " NODE ige > Y > > AND COMPUTE VARIOUS C-ONFLUENCED STREAM VALOES e ef{ 4 CONFLUENCE VALUES USED FOR INDEPEN&5NT STR-- E7 ARE: TIME OF CONCENTRATZON4MINljTESY — 16.9a PA:fNF9YLL INTENS(ITY 4INC.H./HOuRY = 1. TOTAL STREAM AREA 4ACAIE k — S. . 1? TOTAL STREA" RUNC_* /C.FBY j r - J7 . 6. 5-4 CONrLUENCE STREAM RUNOFF T I PIE I NTErqS: - . v NUMEcE R 4CFS) M 1 N C H/ 1 0'.t 1 167. 37 19.84 1. 9;F iz. 8. 54 1 ti. 1 902 . 1 , '978 RAINFALL INTENSITY AND TZMZ CiP` RAT- FORMUL.AtSEtr-) USED F&Rv e 57REAtr,S. VARZOLiS CONFLUEN" *ED RU010- VAt-IJES ARZ AS FG—LO&S; 175. is n" 16, 1 17 COMPUTED CONFi,_UIENGE ESTIMATES ARE AS FGLLOW:5; 175. 67 T l.m'E i r• I N'.-I'YES- i 14 1 60 TO A?L A:,: EA = I FLOW 6.'•i' 7!' c PIPIEFLO"' VE"OC! T'Y -4 0. ESTIMA E_" 7� 6" T it w. 4*4!•lp it ilLif W.I.W. .0 it -K it -lt -o il- **lt it A -e •-e -o -f i .' K'itit 'o A *'o .0 -W' i t -V it - j� .t FLOW PROCZ.5;` F tX 5;2zcA F-1 9% S %4 ! Py 5 1 :5 f.3 ". 5 R ; J`' : 40. -W * * r.. * 4.* V. * COMPUTE P"T 0�.' 1 ` - ).•' E • fi •1 PEF_LSto; VEZ—OC'. I T Y 4 /8 E—EVAT l0t`.4 12: 1 5 47.1. DOW-. NODE ELE%,14TION TRAVEL TZME(tnZN.) - .98 TC4MIN.) - el.40 FLOW PROCESS FROM NODE 90.10 TO NODE so. oz IS CODE ------------------------------------------------------------------------------ >>>>>ADDZTZON OF SU&PREA TO MAINWINE PEAK PLOW14444 10.00 YEAR RAINFALL !NTENS!TViI NC! /HOjTi SOIL CLASSIFICATION IS "A'' SZNGLE 41/4 ACRE LOT) RUNOPF COEFFiCIEN7 - 6766 SUBAREA AREA ACRESY 6.10 SUBAREA RONOFFICFS) = Imle TOTAL AREA (ACRES) A !W.Re TOTAL RUNOFF' 4CFST 190.68 TO(MIN) - al.44a FWOW PROCESS FROM NODE 90.eo TO MODE Meo is CODE ----------------------------------------------------------------------------- >>>>>ADDITZON OF SU&AREA TO MAINLINE PEAM FLOW <1<14 10.00 YEAR RAINFALL !NTENS ITV? INCH/&OU% 1.e3E SOIL CLASSIFICATION IS ''Pill SINGLE-FAMILY41/0 ACRE LOTA RUNOFF COEFFICIEN7 = E768 SUIAREA AAEAiAcfES> " ii.80 SVIAREA RWN0SX!CXSX = TOTAL ATEA4ACREST t 140.02 TOTAL 1- .,• UNQTF4CF&) m Ee7.606 TC4MIN) = 11.40 F"C44 PROCESS FRET NODE ?0.55 _0 NODE lo?.et 15 CODE --------------------------- DEPTH 0 FLOW !N 51.0 INC, PIPE 15 38.6 PZPEFLOW VEL0017Y40EET/SEC.7 - 17.9 UPSTREA4 NODE E.E=IeN - IE36.00 DOWNSTREAM NODE EWEVA7XON! i555100 FLOW LEVGTH(F=! = 700.00 XANN!Nbs N .01,3 E572= POPS D!A4ETER(1mCz) 5a.00 N07DER so P:PES PIDEFLOW T"Rj SUBAREAM"Sf &07. SO, TRAVEL 7XMEtX±X.j - cs yc4m:N.) E2.0 F4..O4 PROCEEE FROY NODE ;1Z.;Q 70 NODE :ej.zo is CODE ------------------------------------------------------------------------------ )Y>))QDD!7Z0N OF SUBAREA TD MA:N.IAE PEAK FLON44fo-f 10.00 YEAR RAINFALL SOIL CLASS IFICA7ION IS "All SINGLE-FAMILY42/4 A{_ R_. L07) Rjm3FF COE"F!m!E% SUBAREA AREMACRES) 10.50 B&PAREA RaNDOF(C"Ej 12.5 - TO TAL ASE MACREEN z5 tai .5Z - 0 7 0. FLOW PROCESS FRO`.: NODE aoo.ao TO NONE ;enez 15 ti: LE ----------------------------------------------------------------------------- 10.00 YEAR kpINFAL4 :,805 SUBAREA AREA(ACRES) r 10. Es SU&AREA RuN0FF4cFSi = 12.4-4 TOTAL AREA4ACRESY 160.70 TOTAL RUNOFF4CFSY - e33-64 TC?MINY - :C:. 0 41) FLOW PROCESS FROM NODE 100.00 TO NODE 110.00 2S CODE 3 ------------------------------------------------------------------------------ >>fA>C0MPUTE •IPEFLOW TRAVELTIKE THRU >))))USING COMPUTER-EWIMATED PIPESIZE iNON-PRESSUM FWOW!lilf{ DEPT" OF FLOW IN 57.0 INCH PIPE IS 4a.4 PIPEFLOW VELOClTY4FEET/SEC.Y - 16.5 UPSTREAM NODE ELEVPTION - 11W.00 DOWNSTREAM NODE ELEVATION le!8,50 FLOW&ENOTHWEETY = 460.00 MANNINGS N ESTIMATED PIPE DIAMETER4ZNC4) 57.00 PIPEFLOW THRJ SUS'r-V A!C;_`S) = �:. 64 TRAVEL TIME 4MIN.) - .4s 7C4MIN.Y INCHES .013 NUMBER vp P:PES FL PROCESS FRO m; NODE 3 iO.00 TO mODE ilo.el js CODE ----------------------------------------------------------------------------- ) >>)>DESZGNA7E ZNDEPENDEnT STREA- FOR CgWwUENCE0414� CQN�LQENGE VALUES OSED FOR 1NDE1'`ENDEN7 IT&SAT 1 p9a; RAINFA"" ENTENSITY 4INCH./nowk! 1, 7..E: TOTAL STAEA, ARE& lACREsi 160.70 TO?AL s2 Am A7 CQNFLUENCE sla'614 Fu0W PROCESS FROM NODE 110.10 70 NODE :10.20 as CODE )))>>RATIONAL METHOD !ME SUSPREA ASSUMED INITIAL SUBAREA UNIFORM DEVEWPMEM7 IS: SINOCE FAMILY 11/4 AZHV( TC - R*E4LENGTK-v3)/4ELEVA CHANGEY1 INITIAL SUFAREA F.OW-LEN57H - 400.02% UPSTREAm ELEVA"Z&N - a a2E. 7-13 WwNSTREAm E_5VP = 1520-02- ELEVATION DIFFERCNCE w C.7el TC - .393*E4 400.00OV31/4 5.jZfQwv.E - S. V N. z&.00 YEAR RAINFALL lNTENB1 • B.90.. SOIL CLPSBIFZCA71ON IS "A'' SINGLE-FAMILY41/4 ACRE LD"Y TUNCTU CwE - .742:� SUBAREA RUN0FFMF5w 5. 6 lZ TQTAw AREA4ACRES) 61 TO RbNL 6 41 0 K FoDW PROCESS FRUm mWE 1:0.00 To MCI, 11T.&Z Z Lon. --------------------------------------------------------- >)>))COMPUTE PIPEF"DW TRAVELTIME TWRj E0PAfEP0l?l-; USZNS CO"PLNER-ESTIMAT ED PIPES: 21 1 NGN QKM5JRr ES71MA7ED AXPE DIAMETER42NCH) iNCREASED 7 0 la.ZZ� DEBTS DF =n0w 16.0 ZNCK PIPE 19 7.7 :ACnEE 01pupwow - 7n� UPSTREA, NODE ELEVATION DOW!'-ISTREAM NODE ELEVA71ON MIS. 50 PIPEFLCA! THRU 8U&AREA4CFS) 5.68 TRAVEL TIME(MIN.) - .15 TC4MIN.Y FLOW PROCESS FROM NG•E 135.10 TO NODE 110.00 IS CODE ------------------------- 10.00 YEAR RAINFALL INTINSITYiZNCH/HOURN 5.9"4 SDZL CLASSIFICATION IS "A'' SINGLE -! AKZLY41/4 ACRE LOT) RUNOFF CO55FICIENT .740t. SUBAREA AREA 4ACRES) 6.30 SUBAREA RUNOFF4CFSA = :3. 63 TOTAL AREA 4ACRES) 6.90 TOTAL RUNOFFICFEl TC. . ft N) - 9. 9;2? FLOW PROCESS PROM NODE 110.00 TO NODE lle.eo IS CODE >>>)>DESI0NA ZNDEPENDENT STREAM FOR CONFLUENCEN440f )>))>FvhX C;- CCtNFLUENCED STREA CONFLUCNC' V'ALt.lES USED POR INDEPENDENT STR:Am E AREz TIME OF CONCENTRATIOW4MZmUTES} = 9.9Z RAINFAOL INTENSITY 2.9a 707A� STREAM AREP 4ACTES, S.SQ-: TOTAL STREAM RUNOFF4CPSY AT CONFnUENCE STREAM RUNOP• lims iNTINSIPT NUMBER 4CPS) 4MIN.) QNcn/m3uR.'( ------------------------------------------------------------------------------ i 53 RAINFALL INTENSITY AND TIME OF CONCEN RA7:0 FORMULn(S&C) USED FOR 2 SOREANS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOa"OWS: 244.64 lel.K. COMAUTED CONFLUEwCZ NSTIMPTES ACE AS VD.LDWE: RUNOFFfO"ST - 244.64 TIMEIMINUTSS) TOTAL AREn4ACREEV - S. 60 FLOW PROCESS FROM MODE i!0.00 TO NODE 120.00 is CCDE ------------------------------------------------------------------------------ ))>>)COMPUTE PZPEK=OW TRAVEnYIME 7 440 SoBAREA414 ll>;!US2N0 COMPUTER-ESTIM=ED PZP EIS IZE DEPTH OF FLOW IN 69.0 1MC4 QIPE IS 55.0 PIPEFLOW = 1I.0 UPSTREAM NODE ELEVATION !216.50 DOWNSTREAM NODE ELEVATION IL15.Le Fi-Om-ENOTHWET) - 7aa.00 YAWNZNas " - ESTIMATED PIPE DZAMETERT INC E) 69.= NUMBER DF PIPES PZPEFLOW T4RU = EA4. 6-4 TRAVEL TIME402N.) 1.20 - c4y:%.f 3. FLOW PRETESS FROm NODE IEO.of "0 NOW loo. top ZS CODE CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I ABE: TIME OF CONCENTRATIONIMZNUTES) a3.63 PAMP&L INTENSITY 4INCH./HOURX 1.73 TOTL STREAM AREA ACRES 1 69.614't TOTA AM 4 AL STREAK R ON UNOFF4CFSY ) - AT CFLUENCE - E44.6.() FLOW PROCESS FROM NODE lal.00 TO NODE lEo.Ceti' :8 CODE >>>)YUSER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC2SMItit} - 13.83 RAIN INTINSITYiINCH/HOURY - e.39 TOTAL AREA4ACRES) s 34.40 TOTAL RUNOFF4CF&I w 49.24 FLOW PROCESS FROM N ODE 120.00 TO NODE 120.15 is CODE >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUEr-4C.E VALUER USED FOR INDEPENDENT STREA, E PRE: TIME OF C0fq0EN 104 101 NOT._:9 ) 13.63( RAINFALL INTENSITY fZNC ti. 1hOUlj r e.35f TOTAL STREAM ARE& fACRESA - 34. 401 TOTA S7REAM RJN0FF4CFSf AT CONFaUENCE 43.1- F1.0W PROCESS FROM NODE 12e,40 70 NODE lEz.10 :8 CDGE iF , -------- -------------------------------------- ----------------------- -------- f>>)>RATIONAL METHOD INITIAL SUBAREA ASSUMED INITIAL SUBAREA UNIFURrr' DEVELOPMENT Z8z SZNGLE FAZZLY 11/4 ACRE., TC - HwC4LENGTH-w3)/4ELEVATZON CHAN3Ef2**.E INZTIA. SUBAREA F"Dw-LEmSTm = 700.00 GPSTPEAM ELEVATION = IpEi.60 DOWNSTREAM EuEVATION - 1215.8-1 ELEV•TZON LIFFERENCE - C. 4.1 TC - .393*f? Wo.00**31/f 6.40)3**.2 14. OZ. 10.00 YEAR RAINFA"L SOIL C=ASSl"lCATZDw 2S "A" SINSLE-FAMIwY41/4 PCRE LOTA TUMO"F CDEXXICIEWT - .7171 SUBAREA RuNoQFjcFSw - 1. TOTAL AREA4ACRES) - Eo FLOW PROCESS FROM NODE lao.00 "o MODE 2&e.co is CRET ------------------------------------------------------------------------------- 1>11)DESIONATE INDEPENDENT SOREP? FDR CONFnUENCE VALUES WSED FCA !MDEPENDEAT ST REP 3 ARE, 71ME OF CONCENTRATION(IIMUTES) 14.0 RAINFALL INTENSITY TOTAn STREAM AREA 1ACTES) T07A STRE•m RwNQ=F(CFS) k' CONFnUENLE it if..* K•* 10.1*il..if.'* ifl*-W..itlo.*.Iq-%*N*oowono** KKK* .* *a "Won VWWA KKK *"*e e e PLO?W t'-j- DC 151.31 TO movo 3. 21.5Z 1L sooz = ----------------------------------------------------------------------------- ASSUMED INITIAL SUBAREn UN i F ORM DEVELOPMENT IS. SI NGLE FAMI ACRE) TC_• _ K - tLENGTt 4ELEVATIC{N C►fF ;!►ttiE) ?+�+F.: INITIAL SL}EtAREA FLOW- - LEN64 F 1 t' 614 cs. P0 UPSTREAM ELEVATI - lei 7. 60 Fi'OWNST REi-IM ELEVATION •z I _ 1 5. iF ELEVATION DIFFERENCE e. /s a'.{ TC = . 333- C t 604 t7to-* -K- 3) / :. 40) 1 <t <c. E __ 3 5. 30.4 2{:2c. {eclat YEAR RPI ivF=ALL 2"Z:-47 SOIL CLASSIFI IS "A` SINGLE— FigMILY42 : 4 ACRE LOI - ) PUNiC.{s=F COEFFICIENT +_ 14-.Wt rs' LfBAREA RUNOFF (CFS) _ . atr2' TC rAL AREA <At_•RES) = . 50 TOT R U!'•t0 F { C_.F B ) . G<0 *.** y*.*ki!i!i�i! il�t• i! i! it•M.•iR•M<tis'It•i►i!i!it•i!iC it it•* K• 1► iF• M. •♦r•*• *• *•i!•iti!i!7t•il•it•Mit i1•it'it it Ri!ik it-1t•i!i{•it M.-i!• it M.•it•it i!•it••k•i* FLOW PROCESS FRr& #•1ODE TO N(--t yE 3 ee.. 4 t: 'C'ODE )))) J DE S!G -NATE INDEPENDENT S f REP-` FL {s;: ) ) )) )AND COMPUTE VgTf+t':{OUEB CDNFLt...tENC Err S*TREA!o 4tA:_t.}E`- : ti { { air =ir r:.L = -m. = - .r: = CONFLUENCE VALUES USED FOR I >�tk)��•Es+t£ >E�y f STF:Es "r:^ •f !i> :: TIME OF CONCENTRATION- fMINUTES:) - 15.30 RAINFALL_ I N - ENSI s s` /. s htt=•! !.. - sCrLt�s.'r � : C TO r+T REA'r` t�:•L.t��t!":_t_ }�ItiC �!tlf" {J.h'::�:f•S ...t!i. � ? fi'E.f )'n F.:i�r4ir {''� .. J.o :� t't :.J`: ? :. 1' NUMEtER /,c Sr =:S' '`S' FtF`.L{ i Pt E' 0 isCtrij._ J'. 'Rf;i SC_ < Mr:; -'C.t FCRf+"L >Lf 7 !L:) 4{. ir__ Lr Cif.: 4 ti 4 i� {. s '• S..=L NIX L U I E <i_:E D , F 4 UE S 1 S P {�• {_t+': .. E> C:_ "4• E 2 SC�fi!i._ f�i�.� fi: 63 3 'i rr•� . ; rn .j {� j ' '.'_ B, ►::.-..::i;- � {T f•f __ �.Y, :�; i �SC. '":f =. :=. ^- >; tL�{�}. .i VY it•ib 7F i► i{•i� iF i► •!k M. �` it ik K' ir, iC it i► it� it� r{ i^. •M p. i! il� t! M• i'1 it� N.• it �� �< •M: Yt- •iF it• yk m! •M *- •K �fF'{I' •FR• ih •M• •it' •tit •et - M 14� - K- it� it i! •�! iP i•• <t. A� •iC - k - i► i!• �• *!- * it •t! i! aC'fF it •k FLOW f- 5 . :;ii.. J`,0ErE I Ord � '{ �,_. . r d .: 5 - ttS = .t i ) i ) C- i_t 'tf 'Lf f !'_- •'.i +"`.= .. -ily:. ! %,'E > 1 5 L'1:4f• %'''. •.. L4 { -. .0 '1f 4 , f. .CY .. _ S .i rL ,... .as�c•c.c•r..r_c .xr - .sa: r.r: __ �ces- e: s. a.= sr. s. r_ .r..:::.xc:::::•_.- - s:�.• - = rs•:z�::: a:�.. a....• _.___.... ._ - ..: .r: __:mss:_ r.: c_r. �_ ter.: rnr DEPTH OF FLOW 1 64_tw J0 I -NO.." P X PE .:y.:r P IPE F LOW VELOC I T'V s,°. L_'; UPS NODE EL-E%.. t X C.r `j . -. 3. ?' a `?w Eo DOWNSTREAM NODE Es_i =4's�' :{ C t',; _.. :i i ti f.:•. � W �:_ {�3ry:L.E3►tt7T� S � - E� ! � --' 4� 6:'ti'., C%'i" !!t - t'. ... -.ji�sE !.,; .... � '�:,.._ ESTIh".'s'•t3 - ECi �'t•�''E �►tf•t!s? . ' j /• _. 7 .1 ...,_ ..tA � k r., f >r " � {�= _. � z y.JI..!r' = �f� -f.•••}Ci• �Lt�+i:Y.4�'i.� i { -. - :�! `! T i": i•f 4'L L 3 tJy; : h^ �ti:. T •- ? °? C_- fir:.. !'.. •- i.: �`f . w •`_'( i[•1S<! *•1F•Y.•M. i�•<!it•iF i!••IF i!-iF i! s!•i!•i!•k •t!-•w it•4►fie••M!-i!•A•HC•<►•M •'F. •1F•M•Mi!i4•i!�!•N•M••N •1!•M it••M.•" P. -0..M •M K i!A •M•it •!•it •M •K. .N. •M.. iK..it T. r F L OW C•i;;C CES S FROM NODE" 3 40. {i".0 TC_r N' f irr 1 40. 00 :. _. DE CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONC ENT RATIONMINUTESY - e4.18 RAINFALL INTENSITY 4ZNCH.1H0UP).- 1.71 TOTAL STREAM AREA fACIESY - a05.10 TOTAL STREAM RUNOFF40FS) AT CONFLUENCE - a83 .63c FLOW PROCESS FROM NODE 140.00 TO NODE 142.tote is CODE ------------------------------------------------------------------------------ >>>>> USER SPECIFIED HYDROLOGY ZNFORMATI&N PT USER - SPECIFIED VALUES ARE AS FOLLOWS: TO [MIN) - 16.81 RAIN ZNTENSITYiINCH/HOURY cam. IE TOTAL AREA ACRES) E3.80 TOTAL RUNOFF4CPS? = FLOW PROCESS FROfP; NODE i4e.00 TO NODE 142.01 ZS CODE >>>>> DES ZGGATE INDEPENDENT STREAM FDA CONF"UENCE<f?fe.' CONFLUENCE VALUES USED FOR 1NDEPINDEnT STREAX 2 •"Q; TIME OP CONCENTRATIONiMINUTES) 16.61 RAINFALL INTENSITY 4INCH./ SOU RN 1. 1 E* TOTAL STREAM AREA 4ACRE5Y - II. 84-.h TOTAL STREAM RUNOFF!CF51 AT CONPLUENCE 37.47 FLOW PROCESS FROM NODE 140.02 70 NGDE 3 4z.ez CODE --------------------- USER-SPECIFIED VP-.,..ES ARE PS FO�WOWS: TMMINY = it RAIN TOT A" AREA4ACREB) 17.00 70•A RUNOFP4CF5Y E3.61 ****" 40"q it -H 4t *'K it A*****&* FLOW PROCESS 3" .:K NODE 140.00 TO mobs 14KCR 15 CODE = .1 )>>)>DESIGNATE ANDEVENDENY STREPY F59 InDmaUTE VAR IDJ5 CONWLUENCED 57REA7 VALUESMIf CONFLUENCE 5ALUES USED FOR INDEAMDENT S 3 ATE: TIME OF CONCEmTRATIDN4NINUTEBY 24.4F2 RAINFALL INTENSITY (INCH./HOUR) 1.70 TOTAn STREAM AREA 4ACRES) - 17.2Q� TOTAL BTREA,t! AT CONFOUENCE - 8 3. 61 CONFLUENCE INFORMATION: STREAM RUNOFF TIME lwEws;TS NUMBtER ([FS) !MIN.) (INC4/HOUf.'' ----------------------------------------------------------------------------- 281.63 &4.16 i 37. • 1 - 11 1 1 F-1. 19.1 ;F... lz.1-4 * -4 RAINFA-L !NTENSI-V AND 7ZME 0- CDOCENTIWIDN R"T10 USED FOR 3 STREANS. VARIOUS CONFLUENCED RiNDPc VAEUES ARE AS VOL .045: 33&06 549.03 333.1.1 COMPUTED CONFLUENCE ES71MATES PRE P5 FDL_OWS: V. V it x -P it io. 4t * it -K-* ft * j1p it V, it p $� . +.% FLOW PROCESS FROM NODE 1.40. 42tO TO NODE 6016. 00 1 S CODE >>>>>COMF- PIPEFLOW •RAVELTIME THRU SUBAREA 4-f44< > USING COMPUTE R—ESTImml-TED PIPES.1 ZE 040N—PRESSIURE FLOW) 4 DE4 OF FLOW IN 69.0 INCH f- IS 5iz O PIPFFLOW VELOCITY IWEET/SEC.) - 16.0 Ur-* NODE ELC- VAT lO?4 = 1EQ16. 10 DOWNSTREAM NODE ELEVATION IEQkO.00 FLOWLENGTH4 FEET Y - 6210. 01tel MANN INGS N .01.3 ESTIMATED PIPE DIAMETER-fINCp4) - 69.00 NUMPEP Oi: PIPES = 1 PIP•EFLO14 THPLI SURAPEA C^ .k = 3.s.` 141 TRAVEL TZME4MIN.) .65 TC / rn IN. 63 END OF RATIGNA-i Li� L*j We 9 26ftW44L RW,.o CIVIL @IOMiE MM • LAND PLANNNO • LAND SURVOWS rY COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINE B * Q25 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • C08TAMES& CALIFORNIA 92628.3428 • (714) 641.8777 assau�eai�i�a= ssssssasasssssas�rassaeas :assaesss: - - sararsa. �r •--- ssssaaesasasssaaasss�ar: RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO CtXJNTY (88C) 1983 HYDROLOGY MANUAL arssastea== ss= aaaaa: a: aaaaaa: asa.= asss: aasa: saaaaaa. �saaaa :aaes.�raass :aaeaseas :aaara 4C) CopYr3gist 198E Advanced Engi Softwat -v EAES3 E:pec i a 3 2 y pre pa red for-s HALL # FOREMAN, INC. * OF RESULT S�e�ra�e��e�+r+aeicu+rye+c+ru w�uww K�e+ew��u�u�eK+e+t�e+e irKa+e• e FOOTHILL BRAIN HYDROLOGY, LINE R INCLUDING LATERALS C E,4 A H R +r Q E`s NONE 18:.3 TO NODE 606 +� +e AHMED SHE IMkt J. N. 3366, 1e/7/86 �!1!�!•�!�!7lMi! it�t�t• i! i! 1l R�l 1eleieRNiF�l �l 7l 1l �l 1FltQil le ihR' K• �!• 1! K• 1e1l itit�l �l K• �! �! i! R• R�l �t• �! �! �! 1!' �F1l 1l �e' � llt�t•1lR�t•9lRie�e1l1l1FiFit�e --- - - - - -- --------------------- - - - - -- ----- - - - - -- - - - -- -- - - -- ----------- - - - - -- — USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATIONS ---------------------------------------------------------------------- - - - - -- USER SPECIFIED STORM EVENT A :5.00 SPEC IFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENT94DECZMALY TO USE FOR FRICTION SLOPE _ .95 10—YEAR STORM 60— MINUTE INTENSITY(INCH /HOUR) _ .980 100 —YEAR STORM 60— MINUTE INTENSITY(I /HOUR) 1.4 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT — es.00 1 — HOUR I N't ENS I TY (I NCH /HOUR) = 1.13: O S L OPE OF INTENSITY DURAT CURVE - .688+2 BBC HYDROLOGY MANUAL `•C VALUES USED Advanced Engineer -ing Sooftw.are EAE83 SER IAL No. A6560A REV. 3.1 RELEASE DATES 5/01/85 aee�eR+r�e****0r ***r.**a4v.*4e****4t* -**. •u•e ******** *re *+a***** e+ex+e•+e*.********.***** FLOW PROCESS FROM NODE 182.00 TO NODE 182.38 18 CODE a -------------------------------------•--------------------------------------- )))) }RATIONAL METHOD INITIAL SUBAREA ANALYSIS((r,✓,( ssasssas sssssssssssssssssaazssssaasssss sssas ssssssvasaasaasasssssssssssssa ASSUMED INITIAL SUBAREA UNIFORM ® DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC — M* t (LENGTH**3} / (ELEVATION CHANGE} 3 **. 2 INITIAL SUBAREA FLOW— LENGTH — 950.00 UF'STRE¢'VM ELEVATION — 1304.70 DOWNSTREAM ELEVATION = 1: 93.5tte ELEVATION DIFFERENCE — TC a . 393«• ( 9 0. -w* / ( &5." YEAR RAINFALL INTENSITY(INCH /HOUR) = E'.666 SUSS REA FMA41WF (CPS) 8. TOTAL AREA t ACRES) R •k . go TOTAL RUNOFF ( CFS) +r 8.88 « i! « ara«• O««•«« R« ««• « «w ««a «N «**41 ! a•«« «« « « « « « « « ««• «ara« « « « « ««« « « « « « «« FLO0# PROCESS FROM NODE I Se. 30 TO NODE l 8e. " 18 CODE R 3 ) >) ? } COM�'t.�TE PI PEFLOW TRAVELTIME THR{1 StlRARER { { - 4 - 4 - 4 )))USING COMPUTER - ESTIMATED PIPESIIE (NON- PRESSURE FLOW) /i<dt a!l as al R R.! !!iRllAira'RA"a'RlAt RRRRRl RR.!!l RRRl Rl R!!lRmRlJr!lmlJe!!!R =lIRR!!A!R DEPTH OF FLOW IN 16. INCH PIPE IS 3 INCHES PZPEFLOW VELOCITY<FEETISEC.) R 6.6 UPSTREAM NODE ELEVATION - 1E93.50 DOWNSTREAM NODE ELEVATION 1&91.409t FLOWLENSTH(FEET) : 7020.80 MANNINCS N - .813 ESTIMATED PIPE DIAMETER /ZNCH) 18.0200 NUMBER OF FIDES ! 1 PIPEFLOW THRU SLMtAREsi4CF3) 6. ot0 TRAVEL T Z ME <MIN. ) ! . ?Z? TC (MIN.) ! 15.B4 «•�e «yea« « «a ««• « « « «« •e•« «««««« « « « « « « « «•u• « « « «x• « « « « « « « « « « « « «« « « « « « « « «« « « « « « « ««• «�r « « « «« FLOW PROCESS FROM NODE 1 SCE. 00 TO NODE 1 se. 00 IS CODE - 1 -------------------------------------------------.----------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE / / //< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION{MINUsES) - 15.5-As RAINFALL INTENSITY ( INCH. 1!-OUR) m E. 59 TOTAL STREAM AREA LACRES) - 4.18 TOTAL STREAM RUNOFF<CFS) AT CONFLUENCE - 8.00t �e�e+t«•«wr,e•�e « « « « « « « «« arm• ar« ar««««««« ie««•«« a«• �•««•« ie•««««««««• r•• u•««««• er�c•«« ,► « «+rr.«••r. «• «•ir,r,r• « «• « «,r FLOW PROCESS FROM NODE l 6e. 10'0 TO NODE 1$ . 00 Z S CODE C. >))) RATZOVAL METHOD INITIAL SUBAREA ANALYSI8 / e / / / ASSUMED Z N I T I AL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY ;1/.4 ACRE) TC R M E ( LENGTHO*3 )1 / ELEVATION CHANGE) 3 **. INITIAL SUSAREA FLOW - LENGTH - 900t. 0141, UPSTREAM ELEVATION - 1z-99. ?0 DOWNSTREAM ELE = 1:::91. tie ELEVATION DIFFERENCE •r 8.70 TC . 393+x• E f 902�0<ti. 0200 +► « :3 ) 1 t 8. ?0) 3 « «. _= 15.06 i• t?•5. (00 YEAR RAINFALL INTENSITY / INCH/HOUR) = e.638 SOIL CLASSIFICATION IS `•A" SZNGLE- FAMILY /114 ACRE LOT) RUNOFF COEFFICIENT = .7306 SUBAREA RUNCrFF ( CFS v 6. 1 .5 S TOTAL AREA /ACRES) - 3.50 TOTAL RktN0FF 4CFS) - S.75 « « «ae«•«•+caraa aaa« a «+e« «�r «�r x•« «« +r « « « «+e �• « «•ie •u• «•r. �!•tr « «�e• *• r. r. •K• *•�e•x•x• rr+e• « « «�• ie• «•n• a ae• �••k « « «0t• «+t « « « «+t FLOW PROCESS FROM NODE 18Z.40 TO NODE 18 :. 00?: IS CODE 8 )) }))ADDITION OF SUBAREA TO MAI NLINE PEA±: seta: aasssaa= ssaasmsssaGasassva +.mssssaxras:.rssss..x.: s.sssrrs_rasr »ars._ :crass �asra.� cearsrmrsxs.aaasrs ® &5. YEAR RAINFALL INTENSITY / INC!-• /HOUR.) (� SOIL CLASSIFICATION IS "A" SZNGLE- FAMILY (114 ACRE LOT) RUNOFF COEFFICIENT SUBAREA AREA4ACRE•5) 3. e-0 SUDAREA RUNOFFfCFS) 6.1 TOTAL AREA / ACRES) ! 6. let TOTAL RUNOFF / CFS) 1 . s l TO (MIN) : 15.09 FLOW PROCESS FROM NODE TO NODE 2 e3E. 00 IS CODE f ---------------------------------------------------------------------------- ))) > >DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE4< > >> >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES 4 <44< !=i!!_arm"Ar r 4la!!aP!!a!!!m WV"""Awar"""Arl.4 mmaw CONFLUENCE VALUES USED FOR INDEPENDENT STREAM ie ARE:: ® TZME OF CONCENTRATION4MZNtUTES) = 15.09 RAINFALL INTENSITY 4INtCH.IHOUR) = E.64 TOTAL STREAM AREA (ACRES) a 6.70 TOTAL STREAM RUNOFF4CF8) AT CONFLUENCE = ti. 92 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CF8) 4MZN. 3 t ZNCH /!•FOUR) RAZNFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SRC) USED FOR E STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE A FOLLOWS: £a. 69 210. se COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: Rt#40FF (CFS) — c? 0. 69 TIME 4 MI NUTES) 2 S. 5•f 2 TOTAL AREA 4 ACRES) = 2 et. 450 �c Kwu+e �e arc arK a K,e+t **4t* * * ** * ie **+r * **-**4t* «•is •K• * u•+e * * x * * ,c a ar ie «• «•,e �,r,r �r,r FLOW PROCESS FROM NODE 1 8&. 42tO TO NODE 2 eO. 80 IS CODE 3 ----------------------------------------------_.--------------------------.--- >)) >)COMPUTE PIPEFLOW TRAVELTZME THRU SUBAREA <44 > >)))USING COMPUTER— ESTIMATED PZPESZZE 4NON— PP5SSURE FL-OWY 444 << — lar!=!!!! ------ — ----- ---a —mrmr---- sa•a:esr— srararsrrtnr— sr.aaer -- aerrrs ---s — aarr:s -- DEPTH OF FLOW IN E:2. 0 INCH PIPE IS 16. # INCHES PZPEFLOW VELOCITY(FEET /SEC.> = 10. UPST NODE ELEVATION — 1E91.00 DOWNSTREAM NODE F_LEVATION •* 2 8c =?.00 FLOWLENSTW = 440. MANN NSS N .013 ESTIMATED PIPE DZAMETER4 ZNCH) — Z 1.00 NUMBER OF PIPES I PIPEFLOW THRU SUBAREA : CFS) n* 8.0. 69 TRAVEL TIME 4MIN.) — . 7?c TC (MIN.) 16. ► -':fit �!�!'1M!• �!�! 1NR' i! •t RK• 1!•11 ih it 1t• it•1t•1e• 1N 1h1t u• �t 1t•it• t! 1►.• iF it �!• it +e• 1t• 1t it 1! i� i! tt it• it 7! N• •rt tt �!• ie 1! 1t it •M.•1t• •rc i!• •t! it it it +e• ih it• of it it •ie• it• it• it •n• it it •It• is FLOW PROCESS FROM NODE 161.00 TO NODE 1 ,90. eta IS CODE — 8 ))) >)ADDZTZON OF SUBAREA TO MAINLINE PEAM FLOW4 <4<4 aw.aassassaa - - siaa — — — sas..ssrs.raaansssa � — — aasaa saa vseam+ sste.am ss.�_rsrss_azaaa�rassar. a.+rsss.: r e5.00 YEAR RAINFALL ZNTF_NSZTY4INCH/HOUR) = e.5e3 SOIL CLASSIFICATION IS `A" SZN ©LE— FAMILY ( 21 ACRE LOT) RUNOFF COEFFICIENT . ;sy5st SUBAREA AREA (ACRES) g S. 00 SUBAREA RUNOFF 4CFS) 9.15 TOTAL AREA 4 ACRES) = 15.80 TOTAL RUNOFF 4 CFS) s e9. 8- TC (MZN) — 16.4 1Nl1Nt• 1! i! 1!111! �! i!1! 1f R �!�! M •1! 1F1! 1C1� 1Fi! 111! 1F �!• i/' 1! 1l1t• 1! �!• �! 1F iF1h 1t• i! i!•1!•i!•1! 1! i! 1F 1t• i!• it' 11• ihiF•k• iF 7t i! iR•i! •1► i! iG• i! it• i! i! i! •It• 1f N it it i! i! 1h it• I D - - FLOW PROCESS FROM NODE 180. �2 0 TO NODE 2 80, aZ 0 IS CODE I -------------------------------------------------------------------------------- )>)))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < << ae�siasJes s$saeae ls7a�dvas s►.s+.iaaa s.�7.ias+.aaasa w.s aAraiCaSdts araaS..raasa+a sssaJCnor"a r—a sTAW CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATZOWMINUTES) _* 26. 14 RAINFALL INTENSITY 4INCH. /040UR) ! E. 5e A..•S7•w�. Ps.r 6t• rL—er tArt6cb — ais na R4tRRRRRRRRIlRRRRRRR R R RR «•RRRRRRRRRRRRRRRRR RRRRRR RR RR RR R RR RR «•RRRx RR «•* K' FLOW PROCESS FROM NODE 181. TO NODE 184.00 IS CODE a w --------------------------------------------------------------------------•-- 1111l RATIONAL ME THOD INITIAL SUBAREA ANALYSIS<<<<< ssasssssawirsasaas � sssasss: sssssaw. ws sssssasssssssssaassss :ssssssss - - - .rs ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/.4 ACREY TC = X*t 4LENGTH+*R3) / 46LEVATION CHAN(E) ?RR. L INITIAL. SUBAREA FLOW - LENGTH - 469.00 UPSTREAM ELEVATION = 13@to2t. oZt�t DOWNSTREAM ELEVATION = 1X91.00 ELEVATION DIFFERENCE a 9.00 TC a . 393Rt ( 4". 00RRSY / < 9.00) s' ie E5.00 YEAR RAINFALL INTENSITY<INCH /HOUR) 3.546 SOIL C LASSIFICATION IS "R" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7613 SUBAREA W-v%l FF 4C:FSY = 1. TOTAL AREA l ACRES) _ .60 TOTAL RUNOFF <C:FS) - I . S RilRRRRRRRR«•ilRRRR1lRRRRi! �l �I RRRRMRRRRRRRRRRRR�1l RRRRRRRRRRRitRRR1 lRRRRRRx «• R «RR�FRRRxx FLOW PROCESS FROM NODE 18 TO NODE 180.00 IS CODE a 6 ---------------------------------------------- - - - - -- ----------------- - - - - -- - )))))COMPUTE STREETFLOW TRAVELTIME THRU SUD AREFA < < < < < waas+r a: aaaes asaea a+. a..r m.Wmrx .=.= UPSTREAM ELEVATION = 1:191. et DOWNSTREAM ELEVATION = 1e se. 00 STREET LENGTH {FEET) 970.00 CURD HEIOTW INCHES) g S. STREET MALFWIDTH(FEET) a 2,4.00 STREET CROSSFALL (DEC:IMAL) - .8e93 SPECIFIED NUMSER OF HALFSTRE.ETS CARRYIN49 RUNOFF = t R**TRAVELTIMF. COMPUTED USING MEAN FLOW <CFS) a 22'.75 STREET FLOWDEPTH (FEET} = .37 HALFSTREET FLOODWIDTH<FEET) a 8, oft:: AVERAGE FLOW VELOCITY<FEEr /SEC.Y = 8.47 PRODUCT OF DEPTHRVELOCITY = .93 STREETFLOW TRAVELTIME a 6.54 TC <MINY - 1 5.75 :5." YEAR RAINFALL INTENSITY (I NCH /HOU - 2. 57et SOIL CLASSIFICATION IS "A`. SINGLE- FAMZLY41 /4 ACRE LOTY RUNOFF COEFFICIENT = .7e76 SUSAREA AREA {ACRES) = 1. &0 SUaAREA RUNOFF /. CFS) - ::. iE'4 SUMNtED AREA «ACRES) •* 1.80 TOTAL RUNOFF 4 CFS) - 3.66 ENE) OF SUBAREA ST tRREETFLOW HYDRAULICS: DEPTH t FEET Y = . 41 HALFSTREET FLOODW I DTH ( FEET) j= 9.39 FLOW VELOCITY (FEET /SEC:. ) = 8'.64 DEPTHRVELOr-ZTY - 1. 10 RRR' iFR1l RRRR1F9l itRxil xRxxRll xxxll Rxxxi!'!! rx«•' itRxxxxxxxx «•xxxxxxxxxxxxxxxxxxxxxx ♦. xxxiRxrx FLOW PROCESS FROM NODE 186.00 TO NODE 180.00 IS CODE 1 ---------------------------------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CON FLUENCE<< < << sssssarw= ssssssssaRa• sasssssssssasssRaaa .eeaasmiaaaairr ersssa._ s�asrssrsessaarssaassersaa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM .E ARE: TIME OF CONCENTRAT I CAN < M I NUT ES) = 15.75 RAINFALL INTENSITY (INCH. /HOUR) = e TOTAL STREAM AREA (ACRES) = 1.80 ke TOTAL STREAM RUNOFP <CFSY AT CONFLUENCE a 3.86 1l RRRRRRRRRRRRRRRxRRRRRxRxRxRxxRxRxxRxRRxxxxxxxxxRxxxxxxxRRxxRxxx 1lRxxxxxxxxlkx FLOW PROCESS FROM NODE 1 &3.10 TO NODE 163.00 19 CODE ---------------------------------------------------------------------------- )))) 1 RATIONAL METHOD INITIAL SUW#ftEA AWAL Y S I S < < < < < - sa�ssss: ssassassssassasssaaasassasss :saaaas. :sass aasassaaaa :ssasasa :asaasar :sr_ DEVELOC*MENT ZSs SINGLE FAMILY 41J/4 ACRE) TC - 94 4LENGTH14 *3 J/ 4ELEVATION CHANGE INITIAL SUBAREA FLOW - L ENG TH a 700.00 UPSTREAM ELEVATION = 189&.50 DOWNSTREAM ELEVATION a lee4.50 ELEVATION DI = 14. TC = . 39314 C 4 700. 00x - t 4 1 31414.E a 11.797 E'5.4" YEAR RAINFALL INTENSITY(INCHf14OUR) = 3.057 SOIL CLASSIFICATION IS -A" SINGLE -FAMtI L Y (1 /4 ACRE LOT Y RUNOFF COEFFICIENT = .747 SUBAREA RUNOFF 181.51 TOTAL AREA(ACRES) 4.65 TOTAL RUNGFF4CFS) il14 14 814 74 14141 4il141l1l1li4R•1l14il1l1li4 1411•• R1l1lR •1ki4!!•R1l�!•1!1lR1lil1N! 14 14 1! 141 11l1l1l1!• Ri4 14i4il14' Rl4141l1 41k1li4l414•R•Ril1411.1N41F1Fi4 FLOW PROCESS FROM NODE 183.4+0 TO NODE I EsO. 00 Z S CODE = 6 ---------------------------------------------------------------------------- )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA44444 =a== = =a= RJR= aaasaaaaa0aaa aaa ==aaaaa=a usaaaasssaasssaaa aassassaaaeraarasaaaaa morass UPSTREAM ELEVATION = 1884.°50 DOWNSTREAM ELEVATION = 1 c8E.00 STREET LENGTH4FEET) +r 5".06 CUR HEZGTH( ZNCHES) = 8. STREET HALFWIDTH 4 FEET) _ £ter.00 STREET CROSSFALL 4DECIMAL) a .00=93 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 3 "TRAVELTIME C6f0 - USING MEAN FLOW 11. STREET FLOWDEPTH _ .62 HALFSTREET FLOODWIDTH4FEET) = 16..°'.7 AVERAGE FLOW VELOCZTY(FEET /SEC.} _ x.74 PRODUCT OF DEPTHAVELOCITY a 1.69 STREETFLOW TRAVELTZME40ZN} a 3.814 TC4MIN} +r 14.84 £'5." YEAR RAINFALL INTENSITY 4INCHJ /HOUR) - 66+4 SOIL CLASSIFICATION IS •'A" SINGLE- FAMILY41/4 ACRE LOT) RUNOFF COEFFICIENT = .7319 SUBAREA AREA4ACRES) _ .681 SUBAREA RUNOFF4CFS} A 1.17 SLMIatED AREA(ACRES) S. C-* TOTAL RUNOFF4CF9) = 11.68 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH4FEET) - .63 HALFSTREET FLOODWIDTH(FEET) a 16.61 FLOW VELOCZTY(FEETJ/SEC.) a e.77 DEPTH*VELOCZTY m 1.74 74.141474 74 77 1414 1!741!1! a4 1! 1414711e 1! 1! 7t 1414 i! 147! 147777 141e 7! 7F 1! i~ ie• ih 7! il• 14141! i! 147! 141!•1! 7" 1414 i41e R iF 7F1t 141! i4147F n if 141! 7F 14 i4 i! 141!•1!147!1! FLOW PROCESS FROM NODE 181.38 TO NODE 180.00 Is CODE •_ $ ---------------------------------------------------------------------------- )))))ADDITZON OF SUBAREA TO MAINLINE PEAK FLOW4 4444 &B." YEAR RAINFALL INTENSZTY4INCH /HOUR} _ :.664 SOIL CLASSIFICATION IS "A" SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT a .7319 SUBAREA AREA 4ACRES) 5.08 SUBAREA RUNOFF4CFS) - 9.75 TOTAL AREA4ACRES) = 18t. ea TOTAL RUNOFF 4CF8} - ::1.43 TC4MIN) = 14.84 741! 11.741!74 74741!74 747! 7!741!7! 147474 k i! 771! 14741! 147411 i! 11.14141417 ie i!7! 7!741418 7414.1! 741!•14.1! 1! i! 14 14 1411+8 77 �• 1! 1r 141E 74147! 141! 7! 1! 8.1!1!14141414 FLOW PROCESS FROM NODE leO.00 TO NODE 186.00 IS CODE 3 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE44 {44 )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUE sssssssaaaJ: aasasaaasaassasaasaaaraaasasaaaasan •aasaaaasaasrmaar. rraaaesm•aaasaasJSaaa+- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 AJsE: TZME OF CONCENTRATION(MZNUTES) ie 14.84 RAINFALL INTENSITY 4INCH. /HOUR) = :z- TOTAL STREAM AREA 4ACRES) a 10. ie4a TOTAL STREAM RU4OFF4CFS) AT CONFLUENCE a E1. 43 STREAM RtNlOFF TIME INTENS NUMBER 4CFS) 4MIN. ) (INCH/HOUR) ---------------------------------------------------------------------- - - - - -- 1 .°'9. d 4 1 b. edf f'. 5* 3 l3 3.86 1 5.79 l=. 370 3 .°.1.43 14. 84 E.sali RAINFALL INTENSITY AND TIME OF CONCENTRATION R44TIO FORMULA4S&Ck USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWSs 53.9e 53.47 5e. 32' COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWSs RUNOFF (CFS) : 53.9e TIME (MINUTES) a 143.2-43 TOTAL AREA(ACRES) — 2,7. @8t ��ese�e�en•+ew+tw u•�e ie�it�euar�rK sir use K � w w•�e•ie�t+earit�r+e �eu+c u•+e•+ew•tt•� K�+e�r+r •K Kw•ie•�r�t trarKar�+t•+e••tr w•�e+r�e•iea•u•u•it•at+r+r FLOW PROCESS FROM NODE 186.0 et TO NODE 198t.0 0 IS CODE a 3 ---------------------------------------------------------------------------- })))COMPUTE PIPEFLOW TRAVELTIME THRU SURAREA44444 ))))) COMPUTER— ESTIMATED PZPESIZE (NON— PRESSURE FLOW}44444 sss:: s:.l ae+ ► assaesssaw. aaasasssasaesasaraa •sss. :aassssaarssa :saga saaararmsaaaarasrasrsaasraa a DEPTH OF FLOW IN 33.0 INCH PIPE IS 2,e. 7 INCHES PIPEFLOW VELOCZTY4FEETISEC.) a 12 UPSTREAM NODE ELEVATION A. 3, =1sE. Deb DOWNSTREAM NODE ELEVATION — 12 FLOWLENGTH a 639t. 00 MANNINGS N — .01 ESTIMATED PIPE DIAMETER4INCH) 33.02e0 NUMBER OF PZJ — 1 PIPEFLOW THRU SUPAREA4CFSY a 53.92, TRAVEL TIME 4MZN.) a .435 TC 4MIN,) a 17. 09 0sat�e�ru�r�t�r��+ ��u• �e•+ e• �r+ r+ eie •�c•+e+r�+r+ratw�r*•�e��a•ir:•• Kee+ �• �• �e•+ rir+ c�+ r+ r�e� +r•re•+e••K•�r�r•K•rrir+rrc•�► aye•+ �••k+r•�•�w+e�e•+e•ar�r�rirar�r FLOW PROCESS FROM NODE 195.00 TO NODE 190. ZS CODE � 1 -----------------------------------------------------------•----------------- >))))DESINNATE INDEPENDENT STREAM FOR CONFLUENCE 44r,4{ ssaaasaarsr+ wssaaeaaaraarssaes maa s::asasarasrssasaara.�a :ssasa assrasms CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF C2NCENTRATION4MINUTES) 17.09 RAINFALL INTENSITY 4INCH.IHOUR) +_ 2..45 TOTAL STREAM AREA 4ACRES) — 2,7. 80 TOTAL STREAM R UNOFF4CFS) AT CONFLUENCE a 53.92: �t�t�e+t�er.�e�rrr�r+tx�rie r. x• ****..6*.** * * 4t-*** t*-** 41-*********%*- **4t�eitw �+tao-rt• FLOW PROCESS FROM NODE 191. OD TO NODE 19et.01t I CODE _* E --------------------------------------•--------. ..----------------------- - - - - -- )))))RAT METHOD INITIAL SUBAREA ANALYSZS44444 s= ssssaaeaarsssmmaasaasa +arasmaraemxsmaamasaa:aasaaaam araassr. =r crass amrmsemaz smaeamrsrmsasaa.= ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS; SINGLE FAMILY 411 ACRE) TC a X*[4LENSTH+t+t3)14ELEVATION CHANGE)3**.2 INITIAL SUBAREA FLOW—LENGTH 450'x.0 024 UPSTREAM ELEVATION a 12,7S.70 DOWNSTREAM ELEVATION — I;E 71. 7o ELEVATION DIFFERENCE a 7.00 TC — . 393*r 4 4581. ee-* e3)14 ?'. oa.v: 10.396 &5.040 YEAR RAINFALL ZNTENSZTY ( ZNCH1HOLtR) 3-2,98 4 SOIL CLASSIFICATION IS ••A" SZNGLE— FAMZLY /4 ACRE LOT) RUNOFF COEFFICIENT — .7546 SUBAREA RUNOFF (CFS) a 7. 2,:-i TO'T'AL AREA 4 ACRES) a 2Z.90 TOTAL RUNOFF 4 CF9) — 7. ea ---------------------------------------------------------------------------- )))))I?ESZGNATE INDEPENDENT STREAM FOR CONFLUENCE << (<< )))))AND GOMGtITE VARIOUS CONFLUENCED STREAM VALUES{ << << itiai!l iaiiia al al aal iAaaail iiAl All iti Aiii l Aaiaiaalt�ilAiilaaJ.i.aiai AAA.7'iA'iaSCalS• CONFLUENCE VALUES USED FOR INDEPENDEN STREAM . AREs TIME OF CONCENTRATION(MZNUTES) ! 10.45 RAINFALL INTENSITY ( I NCH. f HOUR) 3.30 TOTAL STREAM AREA {ACRES) = E.9O TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE — 7..{ CONFLUENCE INFORMATION; STREAM RUNOFF TIME INTENSITY NUMBER 4CF8) {MIN.) (INCH /HOUR) 1 53. 9E 17. w. 447 E 7. R£ 18. 3. E98 RAINFALL INTENSITY AND TIME OF CONCENTRATION RAT I O FORMULA {SRC) USED FOR e STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 59. ic COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) — 59.&8 TIME 4MI MUTES) a 17.409a TOTAL AREA {ACRES) — 30.70 N• ex�rxrrxxx x• te xxxxxx x xxx• xx xx+ r x• xxxxx• xx• x�rxxie• xxxx�e• x• x• xxxxx�Fx •xxxxxxxxxilxit•itxxxil�!•1Nx FLOW PROCESS FROM NODE 190.00 TO NODE 195.0et IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA << < << >)) >)USZNG COMPUTER— ESTIMATED PIPESIiE 4NON— PRESSURE FLOW) <<4<4 !l sl aA!! a! a!l al sssa salaa Aas asasasssssliaaasai =allai�.11a Aasd�s7PARAAIY :aJ�asilAai!'!ai DEPTH OF FLOW IN 36.0 I NCH PIPE 18 £5. 5 Z NCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.6 UPSTREAM NODE ELEVATION = 1.x-71.70 DOWNSTREAM NODE ELEVATION 12-63.00 FLOWLENGTH {FEET) — Es 3B. Ott MANNZ N a .013 ESTIMATED PIPE DIAMETER4INCH) = 36.00 NUMBER OF PIPES = t PZ PE FLOW THRU SUSAREA4CFS) R+ 59. £Es TRAVEL TIME ( M I N.) = 1.30 TC 4 M I lit. ) — 18.39 x+ e�r�t+ t• xxxxx• xx• �r�rxxxa• xxxx�rxx• xxx• xxxx• xx• xx •xxxx•xxxxxxx•xxxxxxitxxxxxxxr. �e•xxxxx•a•�rxx•xx�e•x FLOW PROCESS FRf7M NODE 195.0ek TO NODE 195. 0421 IS CODE = I -------------------------------------------------------------------- .- ..-- - - - - -- )))))DESIGNATE ZNDEPENDENr STREAM FOR CONFLUENCE444 <4 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION {MINUTES) — 1 8.39 RAINFALL INTENSITY {INCH. /HOUR) _ TOTAL STREAM AREA 4AC:RES) — 30.7 TOTAL STREAM RUNOFF 4CFS) AT CONFLUENCE xxxxx•xx�e•wirxx•xx+rxxr. xx• xxKx+ cx• x�r• k�e• xx• xxxxxxxxxxxxx• xxx+ e• xxxirrie •xxxxx•�rxxxx•xx•xxxxx•x•xxxx FLOW PROCESS FROM NODE 1 9.?. 00 TO N ODE 195.00 0 I S CODE ---------------------------------------------------------------------------- )))))RATIONAL ME THOD INITIAL SUBAREA•? ANALYSZS44<44 sawsssss: asses :ass asses s: sasaar ssssssssssssssm' aessaesras :.sssaea :aasssaasssaassssa: �+ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT 18s SINGLE FAMILY 41/4 ACRE) TC = A*C 4LENGTH%%3) / 4ELEVATZON CHANGE) 3%*. .-- INITIAL SUBAREA FLOW — LENGTH — 760.00 UPSTREAM ELEVATION 1E74.00 YC - . 393* E l ?Sift. @t@r+e+e 3) f 4 t t . SS) 2 *-w. E = l 3430 &5.00 YEAR RAI NFALL INTENSZTY4ZNC#-t /HGUR) = E'.970 SOIL CLASSIFICATION IS "A" SINGLE FAMILY ACRE LOT) RUNOFF CDEFFZCZENT - .7443 SUBAREA RUNOFF 4 CFS) = 9.94 TOTAL AREA 4 ACRES) = 4. 5ef TOTAL RUNOFF ( CFS) .. 9.94 /Nt•1f M �!�! �F�t•iM! �!! 1FA �Nl�l•R �! M i!M i!i! 1! �! �!�! �! i! �t•�! 1t•�NL•1t �aa•it�! it i!i! 9! i! iait �liF�t i! �! R K �!w•+��r iF iF i! iF iF 1F�! iFM•1! M♦!�t•M•�! N!.•iF FLOW PROCESS FROM NODE 295." TO NODE 295.00 IS CODE 3 )))))DESZ8NATE INDEPENDENT STREAM FOR CONFLUENCE44444 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E AREs TIME OF CONCENTRATION ( M I NUTS S) = IC-.3a RAINFALL INTENSITY 4INCH. /HOUR) s e. 97 TOTAL STREAM AREA 4ACRES) = 4.55 TOTAL STREAM RtlNOFF4CFS) AT CONFLUENCE a 9.94 A�!•�!•�! �I! �NliF1! 1F! M�! M•i! �! 1!•1tR �l�41F�!•�!'1! 1!t! �! K �! i! �!N 1! i!•�!''1! 1! 7F i! i! i! 1t�! K 1! it �Nit•1! 1! i! �e•a! R 1! �! 1! 1! u+c iF it •Ih1l�! �l�F 7h�! �! •1! 1! •R it FLOW PROCESS FROM NODE 293.00 TO NODE 293. ZS CODE = i ---------------------------------------------------------------------- - - - - -- )))))RATZ METHOD INITIAL SUBAREA ANAL YSZE44444 sass sssssssssssrsassssswassasssssssssssssrasssssaiassssssaaassssaessssasrsssa -- - - ss ASSUMED INITIAL SUBAREA UNIFORM DEVELOl*tENT ISs S INGLE FAMILY 42/4 ACRE) TC = #(*t ( LENGTH**3} f 4 ELEVAT ION CHAN49E) 2**. E INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 2E76.70 DOWNSTREAM ELEVATION = 2 E , 66.20 ELEVATION DIFFERENCE = 2i. 60 TC a . 393+ E 4 2000. "-w*3) / 4 = 24. 52-4 E5." YEAR RAINFALL ZNTENSZTY /HOUR) = E.655 SOIL CLASSIFICATION 19 "A" SINGLE- FAMILV42f4 ACRE LOT) RUNOFF COEFFICIENT = . ?325 SUBAREA RUNOFF 4CFS) = 2E. 43 TOTAL AREA4ACRES) - 6.40 TOTAL RUNOFF4CFS) = 2;3.43 N1l �l �l �l �!!l IFiF�l �l 7tR�h♦ N! 1! �! 1! i! 1! M• itM�FM• K• 1! K• �! �! �! �! 1! i! K• 1! i! itlt• �F1l it1l 11R�l itiF�l lF1t�!• itil �!• i! it�l iF� l�NMili!•iFil1l�lil9l1l�F1l1liF FLOW PROCESS FROM NODE 195.50 TO NODE 195.00 I S CODE _ a )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA44444 as =a-- -- raraaasaaaaaasan: aWass= sssssss+ naassasssssssassssasssasaasasara . :sas - - - ssa UPSTREAM ELEVATION = 2:?66. 30 DOWNSTREAM ELEVATION - 3L63. R0 STREET LENGTH(FEET) = 400.06 CUft HE 19TH(INCHES) = 6. STREET HALFWZDTH4FEET) = ieet. 00 STREET CROSSFALL 4DECZMAL) _ , OZ70 SPECIFIED NUMBER OF HALFSTREETS CA RRYING RUNOF = 2 +*+*TRAVELTZME COMPUTED USING MEAN FLOW 4CFS) 3:.43 STREET FLOWDEPTH4FEET) _ .59 HALFSTREET FLOODWIDTH4FEET) - 26.34 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.E9 PRODUCT OF DEF•TH# VELDC I TY = 3. 9:? STREETFLOW TRAVELTIME4MIN) = E.03 TC4MIN) 26.95 E5.dS YEAR RAINFALL ZNTENSITY4INCH /HOUR) _ 2',459 SOIL CLASSIFICATION IS "A" SINGLE - FAMILY (2 f4 ACRE LOT) RUNOFF COEFFICIENT = . 7 E3 SUBAREA AREA (ACRES) 0.00 SUBAREA RUNOFF4CFS) _ 0.00 SLIMMED AREA 4 ACRES) = 6. 40 TOTAL RUNOFF 4 CFS) = 2 E. 4 3 END OF SUBAREA STREETFLOW HYD*AULIC3: DEPT044FEET) _ .59 HALFSTREET FLOODWIDTH4FEET) = 26.34 FLOW VELOCITY 4FEET /SEC.) = 3.2-9 DEPTH*VELOCITY 2. W. RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR RRRRRRRR RRRRRRRRR RRRRRRRRRRRRR R FLOW PROCESS FROM NODE 193.10 TO NODE 1 98. are I s CODE B ---------------------------------------------------------------------------- ))) >)ADDITZON OF SUBAREA TO MAINLINE PEAK FLOW((((( !!!!! lAliiilAlAlliA! llAiiA!!!!!! rA!!!! A!!! ii!! A!lAlri =iAAitrAlRiAA+RAAAAiiIAa P. A e5." YEAR RAINFALL INTENSITY (INCH/HOUR) = E. ji59 SOIL CLASSIFICATION IS "A" 8INSLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT i .72-el SUBAREA AREA(ACRES) 4. 00 SUBAREA RUNOFF ( CFS) _ 7.10 TOTAL AREA (ACRES) = 10.40 TOTAL RUNOFF (CFS) = 19.53 TC (MZN> i 16.95 Rat• RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR• 1lRRRRRRRRRRRRI !•RRRRRRRRRRRR�!• FLOW PROCESS FROM NODE 195.00 TO NODE 195,00 IS CODE i 3 ---------------------------------------------------------------------------- ) )) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<< )))))AND COMPUTE VARZOUS CONFLUENCED STREAM VALUES((((( i! RliliiiilA ==liilAAliilliiiliARiA! A!!AA =AlililAA.4RiaJR A AAa R.�Aia=ilfeAaiiiliiiP CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATZON(MZNUTES) i 16.95 RAINFALL INTENSITY (INCH.IHOUR) = E.ji6 TOTAL STREAM AREA (ACRES) i 10.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 19. 5.s CONFLUENCE INFORMATION# STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MZN.) (INCHIHOUR.') 1 59. Rr3 18.39 sz- 3jr:=, E 9. 16 E. 9 70 3 19.53 26.95 RAINFALL INTENSITY AND TIME OF CONGENTRf -rT Z ON RATIO FORMULA(88C) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 85. ?e 64.11 8:?. 4 2 COMPUTED CONFLUENCE. ES11 MATES ARE AS FOLLOWS: RUNOFF (CPS) = 85. ?:? TZME (MINUTES) i 18. 39:? TOTAL AREA(ACRES) 45.699 RRRilRRRRRRRRRRRRRRRRit• RRRRRRRRRRRRRRRilRRRRRRRRRRiNRi� •RRRRRK•ilitRRRRRRRRRRRRRRRRRR F LOW PROCESS FROM NODE 195. TO NODE 195.80 IS CODE i* 3 )))))COMPUTE PIPEFLOW TRAVELTZME THRU SUBAREA<<<<< >)) ))USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW)(((<( siiliissi sissssislsisisiASSSissss saaisiaii aasaAi AliaifAAisAAJ =a =iTA DEPTH OF FLOW IN 39.0 INCH PIPE IS 2?6, i 1 NCHE S PZPEFLOW VELOCITY(FEETISEC.) a 13.1 UPSTREAM NODE ELEVATION = 1:63. 00 DOWNSTREAM NODE ELEVATION = 1858.00 FLOWLENGTH ( FEET) r 350. 00 MANNZ NGS N . 013 ESTIMATED PIPE DZAMETER(ZNCH) a 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUSAREA(CFS) 85.7e TRAVEL TIME(MIN. ) A . 4i3 TC(MIN.) A 18.84 1 �IRRRRRRRRINRRRRRRRRRRRRRRRRRRRRRRRRRI!• RR• k• RRRRRRRRRRRRRRRIIiFRRRRRRRRRRRR •K•RihR�t•1lRi! FLOW PROCESS FROM NODE 295.80 TO NODE 195.80 IS CODE 1 ) >) >> DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < < < ie=. 1fA�i�iriisiiririAliAtt. A6Airsii�YSSSi� rrri.A.AQif CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TOTAL STREAM AREA (ACRES) a 45.60 TOTAL STREAM RUNOFF f CFS) AT CONFLUENCE 85. 7: �a•u*r�ew�eKx�eax ar�e�e�an•x+e+ex�r yea �eK �r�ee+ �xxn•�ew•w•+rre+rw•+ex *xxxae•,r x+ e+ ew •xxxaexx+�xxx«•�rxu•xx�e•iexxx x�rx FLOW PROCESS FROM NODE 194.18 TO NODE 194.28 IS CODE ! }ii)iRAT METHOD INITIAL St1DAREA ANAf.YSI aasa= sasssars arssasasaa aa. �= al aaaal aa: aaraswesaera a�. wel aeaal aas =sssalasaasae.� :aaaaaasasar ASSUMED INITIAL SUBAREA t N I FORM DEVELOPMENT 19x CONDOMINIUM TC = X%C 4LENGTH**3) ! {ELEVATION CHAN GE) ? xx. L INITIAL SUBAREA FLOW- LENGTH = 738.88 UPSTREAM ELEVATION = IEBE. DO0JNSTREAM ELEVATION = I E7 1. 00 ELEVATION DIFFERENCE - I1.oet TC ; . 359* t { 730. i 0**3) / { t ! . N8) 3+r+r. E = 11.616 &5. YEAR RAINFALL INTENSITY { INCH /HOUR) = 3.085 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT ! .7786 SUBAREA RUNOFF { CFS) a 5.77 TOTAL AREA(ACRES) = 8.48 TOTAL RUNGFFfCFS) - 5.77 wirx�wxxir��e •+��r�e�e•ae•xw�rxxxx xxxaru•re•�r�exxxa•xx xxxxxxxxx«•xxxxxu•«• *•x , e«•x + exarK xx�rx,e•xx+rarx�ex«•x FLOW PROCESS FROM NODE 194.18 TO NODE 195.88 IS CODE a 5 t t) t) CF}tMPUTE TRAPEZOIDAL - CHANNEL FLOW f { f { f t > t) > TRAVELT Z ME THRU SUSAREA { { f { f saaRSSarasaassawasasassaasaearaasss= aassaassasaarsssssssasaaaa .rssaassaas saasasssa UPSTREAM NODE ELEVATION! 671.00 DOWNSTREAM NODE ELEVATION a 1 12 SO CHANNEL LENGTH THRU SUBAREA f FEET) - 888, 88 CHANNEL BASE {FEET) _ ".00 ' FACTOR = e.680 MANNINGS FACTOR a .015 MAXZNUM DEPTH (FEET) a .58 CHANNEL FLOW THRU SURAREA4CFS) = 5.77 FLOW VELOCITY(FEET /SEC) - 8.61 FLOW DEPTH {FEET) ! .1I TRAVEL TIME {MZN.) +■ 5.11 TC {MIN.) = 16. �x��► �rir�► x�rxxxx• �xx• kxxxxxxxie• xxxie •xx�t•kxxxxxxxxxxie•irxxxxxr. xxxxxxx�rxxxxxirxxxxxxxxxxx FLOW PROCESS FROM NODE 19-4. TO NODE 1955. &8 I S CODE & > > > > > ADDZT ION OF SUBAREA TO MA I N L Z NE PEAK FLOW f { f f f ssssl aaasasassaaaraal aaa�aaraaRSaa= aeaasswsaamsaearmaarlssrsmaaara maaaaaaraas :smaar ES. R+B YEAR RAINFALL INTENSITY { INC /HOUR) _ ...479 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT AUNOFF COEFFICIENT = . 761. -: SUBAREA AREA {ACRES) 3.60 SUBAREA RUNOFF {CFS) - 6.79 TOTAL AREA {ACRES) = S. TOTAL Rt1NOFF {CFS) 18•. 56 TC (MIN) = 16. 73 1I• �l x4l �NNl• �R�NRR1l 1Nl MM�IxK• 11xr l�!•1l1Fxx�!•iFilx•11x�111x�! xx1!• �1• xxlt• Itx�t• x�FiF�Fx• 1l 1l �Fxxxxitxl lllxilxNM•1!�l�l�N!•x1t�F FLOW PROCESS FROM NODE 195.88 TO NODE 195.88 IS CODE 1 ----------------------------------------------------------------------- - - - - -- )))t }DESIGNATE INDEPENDENT STREAM FOR CONFLUENCEfffff } >) } ANtD COMPUTE VARICiUS CONFLUENCED STREAM VALUES f { ,_ { { ` a!=l J�a!!!!!!l AAl �.!! aa!! a! ►!!!l �Rl aaaaal �a.! !!!laalalaalRl'aaifA'a!!allaaa TliraliCr CONFLUENCE VALUES USED FOR ZNDE PENDENT STREAM .2 ARE TIME OF C'•ONCENTRAT Z ON ( M Z UTES) m 16.73 RAINFALL INTENSITY (INCH./HOUR) E. 4a TOTAL STREAM AREA {ACRES) ! 6.88 TOTAL STREAM MJNOFF(CFS) AT CONFLUENCE j* 1A 56 STREAM RUNOFF TIME INTENSITY NLN49ER <CFS) <MZN. ) < INCH1HOUR) t 85. 78 143. ad# 8. 309 E l e. 56 16.73 E'. , 4 r 9 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORO#A- A USED FOR E STREAMS. VARIOUS CONFLUeNCED RUNOFF VALUES ARE AS FOLLOWS: 97.4E 88.69 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS$ RUNOFF (CFS) - 97. J#e T ZME lMI NUTES) ! #a. 637 TOTAL AREAIACRES) - 5 1.68 FLOW PROCESS FROM NODE 195.80 TO NODE 196.00 IS CODE A 3 ---------------------------------------------------------------------------- )))))COMPUTE DZPEFLOW TRAVELTIME THRU SUBAREA < < < << )))) )USING COMPUTER - ESTIMATED PIPESZZE INON- PRESSURE FLOW) < <<<< !!!!!!!!!! Jl=.►!! a! A!!!/ rl al Aa/ r4l aARA laAA!!lAiftlRa.7.ARRA'RAirRA =R RAI'l.7C'A'! p =lA6Tlaa'sai' DEPTH OF FLOW IN 5 1.0 INCH DIRE IS 39.9 INCHES PIPEFLOW VELOCITY (FEETISEC.) R 8.t3 UPSTREAM NODE ELEVATI ! # X56. 50 DOWNSTREAM NODE ELEVATION #858.00 FLOWLENGTH l FEET) a 130. MANN I NGS N a .013 ESTZ14ATED PIPE DZAMETERIZNCH) 51.00 NUMBER OF WIPES A # PIPEFLOW THRU SUBAREA <CFS) a 97. 4E. TRAVEL TIMEIMZN. ) A .:6 TC(MZN.) 19.10 �Nltt�4* R* K **m !• it*► iFRll itll itllitQ ••M•it••1!1!7!•1!i!i!i!N•it•iF FLOW PROCESS FROM NODE 196.00 TO NODE 196.00 IS CODE +� # ----------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < < < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM # ARE: TIME OF CONCENTRATIONIMINUTES) 19. 10 RAINFALL INTENSITY l ZNCH. /HOUR) +r e.&9 TOTAL ST REAM AREA ( ACRES) ! 5 1.60 TOTAL STREAM RUNOFFICFS) AT CONFLUENCE 97. 4F: �*1*1l�I*e*i!e*� �K'7! �! else «'111h1141 �!• R 1l R M R M �!•�! R•�►.• x u r* 1l a �t• �e•ie• R a• 1! �! i* iS•♦F1l R•IF x r* i* •K x x it ♦e+t i* ♦e• n• 1t1t tt �!• t*i* 1t it a ♦* 11111h ie• FLOW PROCESS FROM NODE # 94.:0 TO NODE 194. Eel 18 CODE R ---------------------------------------------------------------------- - - - - -- )))))RATZONAL METHOD INITIAL SUBAREA ANALYSZS < << << saraaa�usaassassssaassa: aASaassssasa+ nssassessease: �a : :asasaavasaa�wras�sasasaaaaasa ASSUMED INITIAL SUBAREA UN IFORM DEVELC 44ENT ISs CONDOMINIUM TC - K+*[ <LENGTH+*+*3)1 IELEVATZON CHANGE) 3+*+*.:? INITIAL SUBAREA FLOW-- LENGTH = 800.00 UPSTREAM ELEVATION - #E82.00 DOWNSTREAM ELEVATION a #.73.00 ELEVATION DIFFERENCE ! 9.00 TC ! .359+*E4 800."*+*3)1 9.00)s :, - #E. 7.4 t?5. 00 YEAR RAINFALL INTENSITY l INCH1HOUR) += SOIL CLASSIFICATION IS "A•` CONDOMINI DEVELOPMENT RUNOFF COEFFICIENT - .7745 SUBAREA RUNC)FF l CFS) 4. 7 TOTAL AREAIACRES) s :. 10 TOTAL RUNOFF4CFS) 4 �����KR�R��h�!•f!�!• i*�!�*1!i!�!•1!1* N Ri*MK•1!i*R �*i*!*1! R•1lRR�*�*1* �!�!1*RMN•�!•1!••1! �!R•1*i!i*�! 1*1! 1!1*1liF1*�!'�t �*�!•�* il• i*1! iFi*i*1* ra w�a_. .•►d•fwe�aa r6e9u ►iA1M1C • o� � TA ►sAriC s ei.0 pA► ! Q f'hl►F A F. )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA44444 UPSTREAM ELEVATION w 1873.00 DOWNSTREAM ELEVATION a 1858.00 STREET LENGTH ( FEET) 900.00 CURB HE I DTH ( I NCHE S) = 8. STREET HALFWZDTH(FEET) = 38.00 STREET CROSSFALL4DECZMAL) _ .02*3 SPEC NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 , *oTRAVELTIME COMPUTED USING MEAN FLOW4CFS) w 6.43 STREET FLOWDEPTH WEFT) _ . , 43 HALFSTREET FLOODWIDTH4FEET) w 11.61 AVERAGE FLOW VELOCITY / SEC.) = 3.54 PRODUCT OF DEPT146VELOCZTY = 1.53 STREETFLOW TRAVELTZME44ZN) _ 4.84• TC4MZN) = 17.01 $5.0@ YEAR RAINFALL INTENSITY (ZNC•!H /HOUR) a 8.454 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT a .7603 SUBAREA AREA4ACRE8) = 1.80 SUBAREA RUNOFF4CFS) = 3.36 SLIMMED ARE94ACRES) = 3.90 TOTAL RUNOFF4CFS) _ @. 18 END OF SUBAREA STREETFLOW HYDRAULICSs DEPTHWEET) _ .45 HALFSTREET FLOODWZ DTH 4 FEET) a 18,55 FLOW VELOCZTY4FEET /SEC.) = 3.87 DEPTH*VELOC'ZTY = 1.76 �!! *1r•R� 1F1 11l1l1l1Nl1lillllllllRiN!•R�F1! �l �l•!! •R7lR1l�NhiF�liF1l1l9!•1lM�l1NF 1F1l1l1l9! it1H 11F9F�C•i!•1F�l1lil7lilK•i!1!1! 1!1liNl1lil� till!!!• FLOW PROCESS FROM NODE 296.00 TO NODE 196.00 i CCADE _* 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(4444 )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUE84<4<< ssas= arssssarssssssssss�sss�sssssowssasuesssssssssasaaasaassss +ss rsssssassss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 8 ARE; TIME OF C X4CENTRATZON(MINUTES) = 17.82 RAINFALL INTENSITY 4ZNCH. /HOUR) = 8.45 TOTAL STREAM AREA (AC RES) = 3.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE w 8.10 CONFLUENCE INFORMATION; STREAM RUNOFF TIME INTENSITY NUMBER 4r-FS) (MZN.) 4INCH /HOUR) ---------------------------------------------------------------------------- f g7°. b8 19.140 8.:'89 8 8. 10 17.01 e. RAINFALL INTENSITY AND TIME OF CONCENT RATION RATIO FORMULAMEC) USED FOR LZ STREAMS. VA4RIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS; 104. 97 94.87 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF 4C:F8) - 204.97 TIME 4MINUTEB) 19.101 TOTAL AREA 4ACRES) = 55.50 �e��e�r�e •�ckw�t��e•+�w•��e�e+e•+e+e �e•ie+e�e+aa•u•+e•�e�t•+c�+�a� ar�r�r� �e�r�r+r��r�icx•at+t+r�t•+r w�r+r,e�+rw+r+a�ere+r u�ie•�w�e+��c•�e�e a FLOW PROCESS FROM NODE 196.00 TO NODE 198.00 18 CODE +r 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTZME THRU SUBAREA<<<<< )))))USING COMPUTER- ESTIMATED PIPESIIE 4NON- PRESSURE FLOW) < < 4 < 4 s: �rsssssswsss=: ssswssswsswwssssssssssssssssssssssassssssss :sswsssswsssssss :: DEPTH OF FLOW IN 54.0 INCH PIPE IS 4 " 2 -'- 0 Z NCHES PIPEFLOW VELOCITY (FEET /SEC.) w 7.9 UPSTREAM NODE ELEVATION = 1854';. 00 DOWNSTREAM NODE ELEVATION w 1857.50 FLOWLENGTH 4FEET) = 150.80 MANNINGS N a .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = I PIPEFLOW THRU SUVAREA(CFS) 104.97 - --- -- - - - - -- - -- - - RRR�lRRRRRRRRKR�lRRR RRR�l �l �l lIRRRRRil RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR BARBARA FLOW PROCESS FROM NODE 198.00 TO NODE 198. 8G I S CODE W 1 - .. ----------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE4 ® CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE# TIME OF CONCENTRAT ION 4MINUTES) = 19.4, RAINFALL INTENSITY CINCH. /HOUR) a 2.87 TOTAL BTREA09 AREA AACRES) a 55.50 TOTAL STREAM RUNOFF 4CFS) AT CONFLUENCE = 104.97 1! 1l RRRRRRR�RRRRRRRRRR RRRR RRRRRRRRRR RRRRRRRRRRRR RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR FLOW PROCESS FROM NODE 198.00 TO NODE 198.00 IS CODE _ ? )))))USER SPECIFIED HYDROLOGY INFORMATION AT NODE44444 :�rasaraswaa�sss :ssawwsss - -- Arwa�a�a�.= wa.= s:ss a:s aa=s ar: aa�s ssaarasavaawassssasrsawssssaa USER- SPECIFIED VALUES ARE AS FOLLOWSS TC4NIN) a 16.11 RAIN INTENSITY4INCH /HOUR) a E.54 TOTAL AREA (ACRES) - 53. a e TOTAL RUNOFF 4CFS) = 106. °•? «• RRRRRIIR�IRRRRIIRRRRRRRRRRR«• RRRRRRRRRRRRRRRRRRRRRRRRRRRR «•iIRR«•RRRR1lil7lRilR�IRRRRRR F PROCESS FROM NODE 198.80 TO NODE 19S. 8B I S CONE Lr t ---------------------------------------------------------------------- - - - - -- }))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE 44444 )))))AND COMPUTE VARIOUS CONFLUENED STREAM VALUES 44444 saasssssasas ssssrssaaaasassasass sss erasssaes�rsassssasssssassLrss: vsasaaaassssssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E AREs TIME OF CONCENTRATION4MINUTES) = 16. RAINFALL INTENSITY {INCH. /HOUR) E. 54 TOTAL STREAM AREA 4CCRES) a 53.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 1R6.&'--" 7 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER 4CFS] (MIN.) 4INCH /HOU14) 1 104.97 19. 40? ;c. el a E 106. E f 16.11 E. 536 RAINFALL INTENSITY AND TIME OP CONCENTRATION RATIO FORMULA499C) USED FOR 1: STREAMS. VARIOUS CONFLUENCED RUNOPP VALUES ARE AS FOLLOWS; 199.97 193.35 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF 4CFS) = 199.97 TIME (MINUTES) = 19.417 TOTAL AREA4ickCRES) = 109.30 RRRRRr. RRRRRRKRRRRR+eRRRRRR+e«•RR«•RRR + eR+s+rRR «• «•r. RRRR«•RRRR«•+eR+e«•+eRRRR«•Rr. R�rRRRR+rRRRR+r F PROCESS FROM NODe 198.00 TO NODE 198.50 I CODE = 3 ----------------------------------•------------------------------------------ )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUDAREA44444 )))))USING COMPUTER- ESTIMATED PIFESIZE 4NON- PRESSURE FLOW)(444( sas+�asserasraassarssaeaa ssswraaassssassrsssaasassasss aasss aaaassssaaa :ssssssasassa ID DEPTH OF FLOW IN 60.8 INCH PIPE IS 47.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 1i.0 UPSTREAM REAM NODE ELEVATION - 1 . 1 . 5 157.50 DOWNSTREAM NOM ELEVATION = 12 FLOWLENGTH ( FEET) - 1540. MANNI NESS N a .013 ESTIMATED RIPE DZAMETER41NCR) = 6G.OB NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREAMFS) 199.97 r Llb� Lt L 7 T Ur /NIECE 1. a a 4 T r / "T w L s 4 4 a_a .r«• «ararae acar arar arar«•a r««• ararararKarararaeararaear« aracarar«•«•«•,► arae« aca raeaewacarac« arae��arar«•, r, Rarararwaraeacarae «•Karar«•«•ar«• FLOW PROCESS FROM NODE 198.50 TO NODE 198.50 I S CODE - f ---------------------------------------------------------------------------- ))))) DES28NATE INDEPENDENT STREAM FOR CONFLUENCE4 <{4{ sagassss sasaasa•: maaassasa= sasaeaaaaaaaaaaassaaaaasaaaasaaaaaresaassssassaaasase CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) RAINFALL INTENSITY (INCH./HOUR) - a.,25 TOTAL STREAM AREA (ACRES) - 3019.304 TOTAL STREAM RUNOFF 4CFS) AT CONFLUENCe = 199.97 aear+raraear arar ararararac « «araeae «ar « « «aeac ar ««•«•«• «arar «•ar �«•««• �«• ararar�+ e�e�r+ r+ e«•«•+ e+ e«• ��e«•« •«•�r«•w• ««�r��ra+e+e+e+�«•«•«• FLOW PROCESS FROM NODE t 9a. let TO NODE 19a.10 I S CODE - E ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<f<< ssssa� sssssmssra :ssssssssassassasssassar su+.sessrssssssssssssam. :ss =s :ssassssssss.a• ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: CONDOMINIUM TC - f(ar [ 4LENGTH**3)1 (ELEVATION CHANGE) 3 **. L? INITIAL SUBAREA FLOW- LENGTH - 7400. 042t UPSTREAM ELEVATION - 1 .? ?i.0404 DOWNST ELEVATION - 3 E6fs. etc ELEVATION DIFFERENCE - 4.000 TC - . 359* I ( 70401. is 6**3) f 4 4.0404) 3 **. ie - 13.867 5.00 YEAR RAI NFALL INTENSITY(INCHIHOUR) - E.774 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT - 1770+6 SUBAREA RUNOFF (CF9) a - i. 9E TOTAL AREA(ACRES) - R. 304 TOTAL RUNOFF (CFS) - 4.9 : arahaFlc ara! araharac alac acar arararae acarae ar ar alar alas alar arar ar ar w•aa aear arar «araral «•aeararararac �!•�l ararar ac«•araracarar arse ararar «ac«•aear FLOW PROCESS FROM NODS 198.10 TO NODE t 98. @404 IS CODE - 5 ---------------------------------------------------------------------------- )))))COMPUTE TRAPE20IDAL.- CHANNEL FLOW < < <<< ))))) TRAVELTIME- THRU SUPAREA < < < < < a. �rsarsasssasaasassa :assasrassa sasaa_ s: aa+ aaasssssm ra :aaaaaaaasiraaraaaaas=sasasas UPSTREAM NODE ELEVATION 1268.00 DOWNSTREAM NODE ELEVATION - 3 E57. 504 CHANNEL LENGTH THRU SURAREA(FEET) - 80404.00 CHANNEL RASE (FEET) - ae.0404 "t" FACTOR - E. 8040 MANNINGS FACTOR - .035 MAXIMUM DEPTH(FEET) - .501 CHANNEL FLOW THRU SUBAREA(CFSY : 4.9: FLOW VELOCITY(FEET/SEC) a ::.. FLOW DePTH(FEET) - .3 TRAVEL TIME (MIN. ) - 6.00 TC ( tai I N.) - 19. aeararararararica►. ararararirar «••Rir�x•+��ie•• rem«• �«• ieir« �irxir«• �w�c •�srieiex«•«•ec•ie�er�eir�c+��+ Buie •«•�e•�•�rer«•«•�«•«•�r�e�«•�rt FLOW PROCESS FROM NODE 198.30 TO NODE 1913.50 I S CODE 8 ---------------------------------------------------------------------- - - - - -- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW < < <<< ss sss :saaasssaaaasarsarss sussararssersaaasaaraasss v sssss ssasssareassssssasasssssrsa im'5. 00 YEAR RAINFALL INTENSITY (INC-HIHOURY a %. B36 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT a .7536 ® SUBAREA AREA (ACRES) - 3.00 SUBAREA RUNOFF <CFS) - S. eds (� TOTAL AREA (ACRES) 5. TOTAL RUNOFF (CFS) = 9.96 TC (MIN) - 19.86 a�«•+�r. • �r. r. e. e. ea��s «�.e�ae+�,r+�«• «x,c«•x.r. car, e«•«•«•«•««• u+ e•. r�. r«•«•«•«•.f. r, ru•+ �+ �«• �t«• �«• rK«•«• e« • FLOW PROCESS FROM MODE 198,50 TO NODE 198. I S CODE - 1 )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( aarsassaaaassasaa saaasaaasaaasaaaasas=asa :s aaaas aaaaaasaaeaa :asssaa :aaa :aaiessa ar CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE: TIME OF CONCENTRATION(MINUTES) = 1S.86 RAINFALL INTENSITY (INCH. /HOUR) +R ie.2 TOTAL STREAM AREA (ACRES) +a 5.30 TOTAL STREAM RUNOFF (CFSY AT CONFLUENCE a 9.96 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CPS) (MIN.Y (INCH /HOUR) 1 199.97 19.6E $.253 2 9.96 19. 86 ie. E RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SRC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARe AS FOLLOWS.- 289. 81 288.49 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) - e69.81 TIME (MINUTES) a 19.6e5 TOTAL AREA(ACRES) = 114.60 �exx�r�e•xaexitxxxr. xxxxxxar�ex xx«• xxxxxxxxxxir�rxxxx• xxx�e+ e+ e+ e+ e•+ exx�rir«• x�rxx •x�c•xxx•,e•xar�e«•xxxxx�e•x FLOW PROCESS FROM NODS 196.50 TO NODE SO." ZS COKE = 3 ---------------------------------------------------------------------- - - - - -- >)> ))COMPUTE PIPEFLOW TRAVELTIME THRU 8UFAREA < < < << Y > ))) USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)< <<<< as aaasssassssaaaas=araaasasssaaa as :a s+sa ssaaaasasaasaaaar a•saaasaa was DEPTH OF FLOW IN 63.0 INCH PIPE IS 47.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 1:?.0 UPSTREAM NODS ELEVATION •w 1296. S0 DOWNSTREAM NODE ELEW''ITION = 125d,, 00 FLOWLENGTH(FEETY - 400. MANNINGS N a .013 ESTIMATED PIPE i►. ZAMETER{ INCH) = 63.00 NUMDEP OF PIPES a 1 PIFEFLOW THRU SUBAREA <CFS) _ ;309.81 TRAVEL TIME (MIN.) a .56 TC (MIN.) a E-0. �t•xx�c xxxxxr. irxx• xxxxxxxx�t•xxx�t•xxxxxxxiexxxx• ire• xxxxx+ tx• xitxxx• ieie •xxxxxxxxxx+re•x+exx�txx•ie•x•x FLOW PROCESS FROM NODE 8+b.10 TO NODE 80.80 IS CODE 8 ------------------------------------------- --------------------------------- ))))) J kDDITION OF SU&PIREA TO MAINLINE PERK FLOW < < < < < aau :sara aaaea: ssaaaaase: a+ aaraenaa: arasaarsarasaaaum: a: sm: a: aamasms ssaraauaraaaa+sx.aaaaaaaaass: �5. 00 YEAR RAINFALL INTENSITY ( INCH /HOUR) t Z!.2115 SOIL CLASSIFICATION IS "A" SINGLE FAMILY /4 ACRE LOT) RUNOFF COEFFICIENT = .708et SUBAREA AREA4ACRESY = 5.50 SUBAREA RUNOF•F<CFS) a 8.63 TOTAL AREA (ACRES) 1L0. 10 TOTAL RUNOFF (CFS) = 2 TC<MINY - .?Y2t. i8 1Filxx xxxxltxitx�l R�lxxxitxlt•xxxiFilxxxxxxxlt•xx xarx�t• xxxa Nxxxxil x• x M x�e xxx�t •xMilx�l�lxllx�I•�lil�Nlillhx FLOW PROCESS FROM N ODE 80.00 TO NODE 90.04a IS CODE = 3 ---------------------------------------------------------------------------- ) >) > >COMPUTE PIPEFLOW TRAVELT THRU SUBAREA < << << >)) >)USING COMPUTER- ESTIMATED PIPESICE (NON - PRESSURE FLOWY< < <<< aaaasasaaaaasaaaeaaaaaraassaaaaaassassmraaaasaaasaaaaaaasas TSaaaaassasaaaaasssrur DEPTH OF FLOW IN 54.8 INCH PIPE IS 39.7 INCHES PIPEFLOW VELOCITY {FEET /SEC.} a 17.4 UPSTREAM NODE ELEVATI - 1E54.80 DOWNSTREAM NODE ELEVATION a 1238. FLOWLENGTH see.80 MANNINGS N - .013 .�� -�_.. w.wr ��.��. .. .. .. �.wr ♦w -w ��.w. .. w. _.. _.. .... ..i]..N.w R� w�n.rh TRAVEL TIME (MZN. ) - .94 TC <MZN. ) - 2-1. le RT.• RRRR«• RRRit• RRRRRRRRRRRRRRRRRRRRRRRRRihRRRRRRRMRRRRRRRRRRRRRRRRRRRRRRRRRRRRR « «• FLOW PROCESS FROM NODE 90.2 TO NODE 90. 00 IS CODE +� S ---------------------------------------------------------------------------- >) >) >ADDZTZ OF SUBAREA TO MAINLINE PEAR FLOW (<t<< aa: a, ��. �a�.. a=. �aaa :a : :a=.. ,..a :aa =aaaaaaaas rases :aaar :aa.�araaraa 63. YEAR RAINFALL INTENSITY < ZNCH /HOUR) SOIL CLASSIFICATION IS "A" SINGE- FAMILY t 2 /4 ACRE LOT) RUNOFF COEFFICIENT +* .7041 SUBAREA AREA (ACRES) a 8.10 SUBAREA RUNOFF <CFS) - ZE. ie9 TOTAL AREA(ACRES) TOTAL RUNOFF (CFS) a 83 TC {MIN) _ Age 1. t,C-* R�@ RRRRRRRRRRRRRRRRRRRRRRRRRRit• RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR «« FLOW PROCESS FROM NODE 90. TO NODE 90. ZS CODE = 8 ---------------------------------------------------------------------------- )))))ADDZTZON OF SUBAREA TO MAINLINE PEAN FLOW<< << sasasssassas :sassaasassaass - - - ssss sears: saes:: ss asrsa ssasssssaasasasasssaasrsssss a5." YEAR RAINFALL ZNTENSZTY {INCH /DOUR) - E.255 SOIL CLASSIFICATION IS "A" SZNGLE FAMZLY /4 ACRE LOT) RUNOFF COEFFICIENT - .7041 SUBAREA AREA {ACRE'S) 2 2.80 SUBAREA RUNOFF <CFS) - 17.91 TOTAL AREA<ACRES) m 2 40. 00 TOTAL RUNOFF4CF8) a e.4d. TC {MIN) - iel. 2:' R• �e• R�sRRRRRRRRRRRRRRRRRRRRRRRRRRRR«• RRRRRRRRRRR« RR�rRRxRRR «•�c• ««•R «RRRR+aRRRR•kRR«•RRR FLOW PROCESS FROM NODE 90. TO NODE 100.00 IS CODE +• 3 ) > >)) COMPUTE PIPEFLO W TRAVELTZME THRU SUBAREA < < < < <------------------------ ) >)>)USING COMPUTER- ESTIMATED PIPESZZE {NON- PRESSURE FLOW) < < < << arasssaasasasssasms mssamamassas •aamsaraa :mmsam� :sss�.uam wtrasa �raaram �saaaaesmss�sar DEPTH OF FLOW IN 54. INCH PIPE IS -4ie. 1 INCHES PIPEFLOW VELOCZTY4PEET /SEC.) - 28.7 UPSTREAM NODE ELEVATION r 1.°38.0Qr DOWWSTREAM NODE ELEVATION a 12 FLOWLENGTH FEET) a 700.00 MANNINGS N a . ESTIMATED PIPE DIAMETER<INCH) - 54. NUMB OF PIPES 2 PIPEFLOW THRU SUBAREA<CFS) +r E46.64 TRAVE TIME (MIN.) - . 6 TC {MIN. ) a E1. 74 ««• «ie• «R «R+► «+r «r. R « « «r. ««« RR«« R« RR«« RRR«« R«• R« R« R« RRR« •IF «R « « R«•RRRRR «R «RRRRRRRRRR « «« FLOW PROCESS FROM NODE 1 00. 1 TO NODE 1 00. 00 I S CODE - es >) >))ADDZTZ OF SUBAREA TO MAINLINE PEAK FLOW<< <<< a+as.ar sssssrsrssasa srsr :ssassaassaassa. Pass assarassassss =asraairasrrs=assarassasaasr e5. YEAR RAINFALL ZNTENSITY { I NCH /!{OUR) - e.216 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY (2 /4 ACRE LOT) RUNOFF COEFFICIENT - .7015 SUBAREA AREA (ACRES) = 1e. 5d+ SUBAREA RUNOFF (CFS) - 15.60 TOTAL AREA {ACRES) - 150.50 TOTAL RUNOFF (CFS) - &64. 4 TC (MIN) a X1. FLOW PROCESS FROM NODE TO NODE 1 IS CODE - a ----------------------------------------------------------------•------------ )))))ADDZTZON OF 3U&AREA TO MA INLINE PEAM FLOW <<< << aaaaa. aw.+ ras aaaaaa.. raaaaaa....". aa= aaaraaaa�. a:.- a�. arraaa. erraaar .�araa..a..as.aaaaaaaa�=. =... MOO YEAR RAINFALL. ZNTENSZTY ( INCH /HOUR) - E. 2 28 SUBAREA AREA(ACRES) 16.ee SUBAREA RUNOFF(CFS) = 15.16 TOTAL AREA (AC RES) = 1".70 TOTAL RUNOFF ( CFS) TCIMINY = E2.74 «• itRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRrt• RR1l RRRRRRRRRRRRRRRRRRRRRRRiIRRRRRRR FLOW PROCESS FROM NODE Ifs. " TO NODE 2 2 0. 00 I S CODE a 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SU&AREA< < < << )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) <(4<< ssssssssasssasssssssssasasasssassssaa aas: sssssass : :sasssassss :asaasssassaasa DEPTH OF FLOW IN 60.5 INCH PIPE IS 46.5 INCHES PIPEFLOW VELOCITY(FEETISEC.) = 17.1 UPSTREAM NODE ELEVATION = I: e5. 60 DOWNSTREAM NODE ELEVATION = 1218.50 FLOWLENGTH(FEET) = 480.00 MANNINGS N = .0I3 ESTIMATE) PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES I PIPEFLOW THRU SURAREA(CFS) _ £79.40 TRAVEL TIME<MIN.) a .47 TC(MIN.) ■► E8.2I R!l RRRRRR�!• RRR RRRR�l RRRRRRRRRRRRRRRRRRRRN• RRRRRRRRRRRRRRRRRRRRRR�t •RRRRRRR�!•RRRRRR FLOW PROCESS FROM NODE 110." TO NODE 1 10.00 IS CODE a I )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < << s sw: ai=asaasrssasss :asass :aamssrsss warms asss as aassss ss : :sara :ssssassssa=s :ssasssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) - RAINFALL INTENSITY (INCH./HOUR) - i.09 TOTAL STREAM AREA (ACRES) = 160.70 TOTAL STREAM RUNOFF(CPS) AT CONFLUENCE a 79.40 �!• iFiIRRRRRil 1l RRRRiIitAlIRRRRRRiIitRlfN• RitRRRR�l RRRRRRRRRRRRiI• itRiPil RRl lR1lRRR1!•iliFR1l FLOW PROCESS FROM NODE 1 10.10 TO NODE 110. a Is CODE +r e ----------------------------------------------------- ))))) RAT I OVAL METHOD INITIAL SUstAREA ANAL < < < < < ASSUMED INITIAL SUDAREA UNIFORM DEVELOI:"ENT IS: SINGLE FAMILY (114 ACRE) TC = X* E (LENaTHRR3)1 (ELEVATION CHANGE) ? RR.:? INITIAL SUPAREA FLOW- LENGTH = 400.00 UPSTREAM ELEVATION m 1L o.70 DOWNSTREAM ELEVATION = 1EE0.00 ELEVATION DIFFERENCE - 6.70 TC = . 393R f. ( 4". 00**3)1 ( S. 70) a - **. E = 9. 77 k i�5.00 YEAR RAINFALL INTENSITY(INCHIHOUR} a 3.4e3 SOIL CLASSIFICAT IS "A`• SINGLE- FAMILY(114 ACRE LOT) RUNOFF COEFFICIENT = .7581 SUBAREA RUNOFF (CFS) = 6.75 TOTAL AREA(ACRES) A E, 60 TOTAL RUNOFF (CFS) = 6. 75 RRRRRRRRRRRRRRRRRRRRRRl t�IRRRRRRRRR1l itRRR�tRRRRRRRRRRRRRRRRRRIIRR� lRRR FLOW PROCESS FROM NODE 1 10. E0 TO NODE 110. 00 is CODE .r 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SU&AREA < < < << )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) < < < << ssssssssssssssssssssssa vsssarsssss sss srwaa..arsssssssarsssarsssa ssssssssssassassss ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 16.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) - 8.3 UPSTREAM NODE ELEVATION = Ii.00 DOWNSTREAM NODE ELEVATION a 1818. PIPEFLOht THRU SUDAREA a 6.75 TRAVEL TIME(MIN. } _ .1-4 TC(MIN.) ���ew�«• ���ieie«• ��esr�ew�► �► �e�r���eu« �����e���«• ��rw�w�e�eseee�e�e��e«• �e+ ��ir��r�«• as�►��r+k«•�eie�t��e�e��r•ie+e �►�r�r FLOW PROCESS FROM NODE 135.20 TO NODE 2 240.910 IS CODE = 6 })) }ADDI TION OF SUBAREA TO MAINLINE PEAK FLOW44 <(< ssss :ss :sss :sssssssaasasasssssssssssss sass: sssasssssaesssssss :sasssss =sssasss ,ES. 6O YEAR RAINFALL INTENSITY < I NGH /HOUR) = 3.393 SOIL CLASSIFICATION IS "A" SINGLE— FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7573 SUBAREA AREA <ACRES) a a. 30 SUBAREA RUNOFF <CFS) a 1 6.19 TOTAL AREA(ACRES) = 6.98 TOTAL RUNOFF<CFS) = ee.94 TC !MIN) = 9.91 R raar�tx« �e�e« �e* �« a�iraeie«•«• �cieie�x��r, ew«-«•«• ��. �ae�r�«•, �+ a, r, e«•+ ex« x. r«•« �r��, ���« «,r��«•.r+r«•+r+e+rar.e,r«•«•u F PROCESS FROM NODt t# 6." TO NODE 110.00 18 CODE a 2 ---------------------------------------------------------------------------- } }}))DESIGNATE INDEPENDENT STREAM FOR CONLLUENCE<<<<< })) }AND COMPUTE VARIOUS CGNFLUENCED STREAM VALUES (<<<< ssss ss::s asaaasassssssssseassms :ssassss: seas: asas :smsssssssssssssssssssasmss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE TIME OF CONCENTRATZON (MINUTES) 9.91 RAINFALL INTENSITY !INCH. /HOUR) _* 3.39 TOTAL STREAM AREA !ACRES) a 6.98 TOTAL STREAK! RUNOFF <CFS) AT CONFLUENCE = 6:. 9.4 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ---- (CFS) <MI N�) < INCH/HOUR) f------ - - - -- -- - -- - -- ------- ---------------------------------------- � # ie E`6.94 9.91 3.393 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA<SRC) USED FOR E' STREAMS. VARIOUS CONFLUENCED Rt1NOFF VALUES ARE AS FOLLOWS; 893. 53 to r. 53 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF<CFS) = 093. 53 TIMF. (MINUTES) _ :,G. E# ie TOTAL ARE44ACRESY a 169.68 �ae+e�r �� ��►��ricK«•ie a�«ar�fr,e�ttr� ��r,tir� K«««♦e�e�t �c�+ r+ r«• �e« •Heir«k�tir�ear«�irx�cirre«+ roc .r�c+kirir,e�e«•ir�r�e«•,r�ur. FLOW PROCESS FROM NONE 110.00 TO NODE IS CODE a 3 } } )COMPUTE PIPEFLOW TRAVELTIME THRU 8U0kAREA < << )) } }USING COMPUTER ESTIMATED PIPESIZE !NON— PRESSURE FLOW)! < < << = ssssamasss: sssssssasmmsssmmsaaesasamassssassa =ssmsassssmmsssasss =smsmssssts DEPTH OF FLOW IN 75.6 INCH PIPE IS 57.9 INCHES PIP€FLOW VELOCITY<FEETfSEC.) m 11.5 UPST REAM NODE ELEVATION DOWNSTREAM NODE ELEVATION m 1215.68 FLOWLENGTH {FEET) — 7E4b. 04a MANNINGS N . i0# 3 ESTIMATED PIPE DIAMETER<INCH) a 75.408 NUMBER OF PIPES I PIPEFLOW THRU SURAREA<CFS) = E93. 5s TRAVEL TIME !MIN. ) = 2. $ -ti TC !MIN.) 61-l' 3. ES 111k�19t111C 1!«' fl 11ItRiFMiF1l �l 1l �il 1l �l KK• R1l �!• �l«• i! i! 1l R�l �l it111111�F�F1F7F�ti liFll�4�F•1!1!1lit�Fir7f lFRil � l4711!«il�lllll�l�lll�l�li�RO! FLOW PROCESS FROM NODE 1 ae. 00 TO NODE # &o. 00 I S CoDe _ # CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I FIRE: TIME OF CONCENTRATION (MI NUTES r ,93. eS RAINFALL INTENSITY (INCH. /HOUR) _ a.63 TOTAL STREAM AREA (ACRES) — 169.66 TOTAL STREAM RUNOFF4CPS) AT CONFLUENCE - E93.53 wieae�u• �rae�c• xirae+ c�taear+ rae�ear+ eK+ aK+ t��rx• x�r�t• �ru• u• re�r�e�e• �r�r�rx• � •+a,ru•+eye•x*•arax•x•+eicrr+e, roc •�r�•�s�air�cir��ra•kK�ta•,rK FLOW PROCESS FROM NODE I"." TO NODE 1 ". 06 18 CODE R 7 ---------------------------------------------------------------------------- )))))UWR SPECIFIED HYDROLOGY INFORMATION AT NODE ({{{( ssaarssssssassssssasssssasss sas :as :sassssassssasaara�sas :.asap =aaasssas -- =sa�raarss USER— SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.76 RAIN INTENSITY 4 INCH/HOUR) — E.79 TOTAL AREA(ACRES) - 34.die TOTAL RUNOFF(CFS) — 58.67 �•�c«•�ft�e x•u+t• ♦r �,e �� �K�r+r ae+e ie+t+�+o�t�� ie•ie Kk�eu �t•K��it•ae•ae ie+e«•,e «•+e+e+e ♦r+t+e�e•��•Kx ie�r �w•� •K•K �e+e�r ie•+e�r��e� ara+tK FLOW PROCESS FROM NODS 1 620. e4b TO NODE 1".60 I S CODE — I ---------------------------------------------------------------------------- )))))DESZGNATE INDEPENDENT STREAM POR CONFLUENCE( { {{{ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM c FIRE: TIME OF CONCENTRATION(MINUTES) — 33.7& RAINFALL INTENSITY (INCH. /HOUR) a 1.79 TOTAL STREAM AREA (ACRES) x 34.46 TOTA STREAM RUNOFF(CPS) AT CONFLUENCE - 58.67 �rat•aae �e�r�eK � K �r+e �e•�r u•+e �e+� u+e•�•+r�e a iex �c •K•+a�e•ar arse sae �w•a• �rKx+tR+a+e•irirKx•�eu•ae•x�e �e•ic•it x•�•�x•x•♦e•�e•r. �x�e•+e+r yew x �r+e � FLOW PROCESS FROM NODS I 1N. TO NODE 12 I8 CODE - :? ))) } }RATIONAL METHOD I N 2 T I AL 8tlE*ARF.A FINAL YS I S { { { { { x +w.=Am sras:ssss :s :ssssassssasa*ssae ASSUMED INITIAL SULRAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC — H*C (LENGTH**3)/ ( ELEVATION INITIAL SUBAREA FLOW— LENGTH — 7°...a6.4010 UPSTREAM ELEVATION — 18. DOWNSTREAM ELEVATION •— 1:' 15.:—^_6 ELEVATION DIFFERENCE — 6.46 TG — . 393* t ( 7e4a. 08** s / ( 6.46) 3 **. 8 a 14. 63.:! 5. 66 YEAR Rai I NPALL INTENSITY (I NCH /! -i0UP) _ a.755 SOIL CLASSIFICATION IS "A" SINGLE— FAMILY41 /4 ACRE LOT) RUNOFF COEPFICIENT - .7358 SUBAREA Rt)NOFF /. CFS) x 1.& TOTAL AREA (ACRES) - . 60 TOTAL PUNOFF (CFS) — 1.:' �+tau•�ca ir�t••ieie �e�rR+su+e K ie•�e•u r. +� �+►�s+rie•�rie �e•�+e•+r�r�r irr. air �ew•�e �r�t,Ri•re•�tu �eie•�•�a�•K•�ie•a ♦e•�eie••�•�e � �r�r�+e �+e•+t•r. rex•+e •re FLOW PROCESS FROM NODE 1 E6, et0 TO NODS 1 121. 612! 18 CODE � 1 )))))DESIONATS INDEPENDENT STREAM FOR CONFLUENCE44 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 14. 10 RAINFALL INTENSITY ( INCH. /HOUR) — 2. 75 TOTAL STREAM AREA (ACRES) _ .60 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE — 1. arm n� aeu �rx ire K u ie•x u n x ar,r+r+e+e+e+r,a + f •e+t•�t•�e•�e•�r w•ie•� � ie ♦r�e•ie+e ir�K��r�e+t�r+eie+�•ie•�riea •ieat�e ♦e arx�u•+tie•ir+a+r•a• �••k ie ire •r P L OW PROCESS FROM NODE 1 cab. 36 TO NODS 1 1216 Is CODE ---------------------------------------------------------------------------- a a a a a la 4a ®!/4�al.a. u.+wa •iR f.a !a_a! Aa li�lRfa /i lt�aRa LIA!£f • I ! J ASSLMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 4144 ACRE) TC - K*C <LENBTH**3)f <ELEVATION CHAt*Se) 2**. E INITIAL SUBAREA FLOW - LENGTH - s". 00 UPSTREAM ELEVATI - 3017. ba DOWNSTREAM ELE VAT I ON - 1 E t 5. Ea ELEVATION DIFFERENCE - 01 TC - . 393+wC ( 600.0 0**3) / < 15.30-4 .'.9. YEAR RAINFALL INTENSITY <INCH�NCklR) - 8.615 SOIL CLASSIFICATIfN! IS µFt" SIDLE - FAMILY < 1 /4 ACRE LOT) AUNOFF COEFF ICI$NT - .7e97 SUBAREA RttNOFF ( CF S) - .95 TOTAL AREA4ACRES) - . 50 TOTAL RUNOFF<CFS) a .95 wee+ ��r��rK�+ r�e+r��e�+r���r�cK�e+a��e�iraaK �r+ e+ c�r�r +��e•+�e+e+rieu���s+e�r+e+e•K+� u��r�uie � �•n•+eie+t�r+t�e K�c��+e+ra�e+�K FLOW PROCESS FROM NODE 1:, TO NODE 1 eo, as IS CODE �* 1 ))))) DESIGNATE INDEPENDENT STREAM FOR CONF < < < << )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES (<<<< - ssssssss =sssssssss -sssss sssssaassassssasssssssasss- ssaasasssaassssssssssssm CONFLUe)4CE VALUES USED FOR INDEPENDENT STREAM 4 ARE: TIME OF COtICENTRAT I ON ( M I NUTES) - 15.30 RAINFALL INTENSITY (INCH./HOUR) - ie.51 TOTAL STREAM AREA <ACRES) - .50 TOTAL STREAM RUNOFF (CPS) AT CONFLUENCE - .95 CONFLUENCE INFORMATION: STREAM RUNO TIME INTENSITY NUMDER <CFS) <MIN.) (INCH/HOUR) ---------------------------------------- 1 ie E93. 53 Se. 6 7 e3. *-15 13. 78 s?. a35 E. 785 3 1. i1 = 14. .755 4 .95 15.340 E. 615 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA ( SE C) USED FOR 4 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS.- 33ts. 03 34. 64 E37. E7 C-50. COMPUTED CONFLUENCE E8TIMATES ARE AS FOLLOWS: Rt eNOFF <CFS) - 338. 03 TIME (MZNUTES) - E3.: 53 TOTAL AREA <ACRES) - 1:05.10 aeae•�ir«•ir«•+ear,e aea ae�e �ae•ie•+e�t+r ar�c•�e ��ra a ieieu•�n�+c+t•+t•rr+e �e+r �it•�e+tu•x�•u•�e•�r �e•�x•�e•it•�t iex+�•+e �� x�r per. �c �r+s+t�t•��e�e�e�r�e FLOW PROCESS FROM NODE 110. TO NODE 140.00 IS CODE - 3 ---------------------------------------------------------------------- - - - - -- ))))) COMP`UTE PI PEPLOW TRAVEL T I ME THRU SUBAREA < < < < < )))) )t1SING COMPUTER- ESTIMATED PIPESISE <NON- PRESSURE FLOWY < < < < < asssaasssasasassaaraa �srrrsa:ts sss sarssss sssssss assssss sassssrsssssssssasassssss = ae• DEPTH OF FLOW IN 63.0 INCH PIPE IS '49-0 INCHES PIPEFLOW VELOCITY <FEETISEC.) - 18.? UPSTREAM NODE ELEVATION - 12 DOWNSTREAM NODE ELEVATION - 1:106.10 FLOWLEN$TH <FEET) - 600.00 MANNI NGS N s . ESTIMATED PIPE DIAMETER <INCH) - 63.00 NUMBER OF PIPES - 1 (e PIPEFLOW THOLE SUBAREA (CFS) - 336.03 TRAVEL TIME (MIN.) - .53 TC <MIN.) - 3. 7a ae� aeie aeae �.rarir,r�,e � ieu�e«•,riraeK,e,e+eu+rKU x•�t�rac•ic•�rirx•re+eK�e+e+e �e u•ie «• «•,e+aae•K x•a•�r�r �e•, e•, r. e• K, e•«• �e,t•,r,r«•,r,rie•�c•x•ie•«•,c P L OW PROCESS FROM NODE 140.00 TO NODE 140.00 IS C ODE - 1 ---------------------------------------------------------------------- - - - - -- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AREs TIME OF CC04CENTRAT I ON (MINUTES) _ k 3. 78 RAINFALL INTENSITY (INCH. /HOUR) _ :.03 TOTAL STREAM AREA (ACRES) = "5.10 TOTAL STREAM RUNOFF<CFS) AT CONFLUENCE = 338.03 1C�Nl K• itic iFK• R7l lkil �l K• i! i! �! K• i!1l 1l R1l Q1l K• K• 1! K• �F1N1 11 1F1FR1l �l K• 1k�FMK• 1t1P�Hl 1l 1t1l �l K• 1t�Nl K• �l �l 1FlF� lilK•K•illlitK•1!i!K•K•Rili! FLOW PROCESS FROM NODE 1 Oet TO NODE 1440t. 00 1 CODE 7 ---------------------------------------------------------------------------- ))))) SPECIFIED HYDROLOGY I NRORMATION AT NODE<<< << aa��easairians�ns :iisaaaaaaaaaa+ra --- aaaaaaa: aaa awsaaaaaAasiaaa�rsaiaaa asaa :aaaaa USER- SPECIFIED VALUES ARE AS FOLLOWSs TC(MIN) = 16.66 RAIN INTENSITY(INCH /HOUR) = E.46 TOTAL AREA<ACRES) : e3.88 TOTAL RUNOFF(CFS) = 44.74 M�k1lK• SINK• i! K• K• K• 1! K• �! K• it�l RK• K• �! K• it ic ieK• K• K• a! �! �! 7! 4! �! K• i!K•K•iF1lK•K•R♦!�!�litlFikK•K• ARK• i! K• 9FK• K• 1! 1!f!i!K•K•K•K•K•K•N�l1l1lK•K•i! FLOW PROCESS FROM NODE 144b. 88 TO NODE 1 08 IS CODE 2 ---------------------------------------------------------------------------- )))))DESZGNAT+E INDEPENDENT STREAM FOR CONFLUENCE<<<<< aiaassaarsssar+ aaataras* sasaa= aaasaaasiaasssesssssaasal sasasasasaaasaarssaasaes +rsaaasffi CONFLUENCE VALUES USED FOR INDEPENDENT STREAM :? AREs TIME OF CONCENTRATION(MINUTES) 16.6a RAINFALL INTENSITY (INCH. /HOUR) n :?. 48 TOTAL STREAM AREA (ACRES) = E^3.80 TOTAL STREAM RUNOt=F(CFS) AT CONFLUENCE 44. INI!•K•i! 7!K•'1! R K• K K' K K••1� 1! K•K• i! �! K•K• K• i! K•K•it'1!' i! �! K•X 1! �! K K• •IP K �! 1! �f 1! �! K•4! K• �!K•K• K•K• 7! K•7! 1! 1!•1! K•R K• 7! 1! i! 1! K• R K•iF i! i! �! K•K•i! i! iF K• FLOW PROCESS FROM NODE 146.00 TO NODE x 48.88 IS CODE ! 7 ---------------------------------------------------------------------------- ))))) USER SPEC HYDROLOGY INFORMATION AT NODE < < < < < ' aassasaeasrsaaasaaasaeaaaaseaaaas��rsssaaaraasaa. saaaiaassasaaaasraaaa :aaaaaaansaaaas =s USER - SPECIFIED VALUES ARE A FOLLOWS: TC(MIN) i 3. ?7 RAIN INTENSITY(INCH /HOUR) _ ie.etl TOTAL AREA < ACRES) - 2 7. ea TOTAL RUNOFF (CFS) = ea. 57 K• K• i! K• K• �!• K• iCK• K�rKicrrrt�sK •K•K•K•arM•�e+rn�r. K• rrK• �K• K•+ tKK• xK •KicK•K•K•K•+�+eK•�icK•+tK•ier. teK•K•K•Katr. K•+rK•+tK•�sar�tK•wK•�rK•aK• F LOW PROCESS FROM NODS 1 40. 00 TO NODE 140.00 I S CODE ! t ---------------------------------------------------------------------------- )))))DESIONATE INDEPENDENT STREAM FOR CONFLUENCE(<<<< )>Y) AND COMPUTE VARIOUS CCNtFLUENC::ED STREAM VALUES < < < < < !ii! !ii!!liailAli ! liTAA!!! AI AY.!!!alaa'S!AlAailRa.'RilAal Tli7'lAAi!!!!i!!!!A!!A!!!!!aa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION4MINUTES) ! : ?3.77 RAINFALL INTENSITY (INCH. /HOUR) _ x.02 TOTAL STREAM AREA (ACRES) = 17.E8 TOTAL STREAM RUNOFF<CFS) AT CONFLUENCE = E6.57 CONFLUENCE INFORMATI STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) ( INCH /HOUR) ------•------------------------.---------------------------------------------- t 338.83 :?3. 78 E. aN87 E 44, 74 146,66 .4114 3 8. S7 e3.77 e. "%S RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SRC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 401.75 382.81 40x. COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: s. a.arirr . r+ta t - T v An ♦ ITICB t - O.'S -vn RIFRRRRiFRihRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR� lRRRRRRRRRRRRRRRRRRRRR FLOW PROCESS FROM NODE 140. TO NODE 606.00 18 CoDe = 3 ---------------------------------------------------------------------------- )))))COMPUTE PZPEFLOW TRAVELTIME THRU SU&AREA {44 » >) YUSING C WtPUTER- ESTIMATED PZPESIZE (NON - PRESSURE FLOW) 4 4 4 4 4 a!l iil a!! ititiAA !llaAAlAllaailisalliil.=tal iii lliaa!!ai=iiatil'7'a7CAa=i!ilil Alria!!' =l =a DEPTH OF FLOW IN 7E. INCH PIPE IS 5 &.0 INCHES PZPEFLOW VELOCITY4FEET /SEC.) = 36.5 UPSTREAM NODE ELEVATION = 3aOb.3@t 0064Ni.3TREAM NODE ELEVATION 3 & fib. 4 0 FLOWLENSTH4FEET) a sao. eta MRNNINGS N = .013 ESTIMATED PIPE DZAMETER4INCH) _ 7&.00 NUMStER OF PIPES = 3 PZPEFLOW THRU SUBAREA4CFS) _ 408. TS TRAVEL TZME4MIN. ) _ .63 TC 4MZN. ) saasasaaraaaa. �al a�ssras= asaaasl asaaaaaa *saaaraaalsllssaoaaaaaasa — — — astaaasasaaaaa END OF RATIONAL METHOD ANALYSIS C MR Xte g po"W"'Wo Rae* CIVN. • LAND PLAN NO • LAND SUFNEYM sv COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINE 8 rol * Q 100 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CAUFORNIA 926263428 • (714) 641.6777 ® sssssssaa s --- sssaaa�sssssass: ssssaraessssssssa�ssssssarssssssssarwsssssss RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM RASED ON SAN BERNARDINO COUNTY ISRC) 1983 HYDROLOGY MANUAL {C) Copyright 198E Advanced Engineering Software [AE$? Especially prepared for: HALL & FOREMAN, INC. %-** *4t* **DE$CRIDTION OF REStiLT$+ +c�ciriear�rie+e rr��ear+ eieic�errici r+ r�r« a�eK +a+c�eew+ew�r+sw+e+a+�+e+rKie w FOOTHILL DRAIN HYDROLOGY, LINE R INCLUDIN LATERALS C, ti H .r +r Q 100 NODE 16m12'. 3 TO NODE 606 +F ec AHMED SHEIKH, J. N. 3366, 1E/7/86 *► eae�r�e �eaee�e�e x ire �� wre K+r«•tr «•�e u•ae+e•+ruu+r+�� «•+c,e+r x�t•w•w•�ra�•�r�� �•w�e+r+e+r •e u•ae �r�r�ear�e � ire �e ie•«•«•�e a+r«•«•«•arK«•a�• -------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -------------------------------------------------------------------------- USER SPECIFIED STORM E VENT { YEAR) +■ 160.80 SPECIFIED MINIMUM FIDE SIZE{IN A 18.00 SPECIFIED PERCENT OF GRADIENTS {DECIMAL) TO USE FOR FRICTION SLOPE +Q .95 10—YEAR. STORM 60— MINUTE INTENSITY (IbWH /HOUR) _ .960 100—YEAR STORM 60—MINUTE INTENSITY {INCH /HOUR) a 1.47@ COMPUTED RAINFALL INTFNBZ TY DATA: STORM EVENT — 12+6tc. 00 1 —HOUR INTEN9ITY { INCH /HOUR) •= 1.4 SLOPE OF INTENSITY DURATION CURVE _ .6@10 99C HYDROLOGY MANUAL "C•'— VALUES USED Advanced Engineering Software [AESI SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 �r+ew•xaic•icarx+e�ex+r�eR�e �cxxie�u+ r+ c�s ar+ eu •�r�r�e�r�e•♦t+tae+e•a+r+e+rir+ eye• �c• ax• �r�e�u+ cl ea+ a •uKn•w�c�ra��x��eieit•u�eR�e+tK F PROCESS FROM NODe i8i. TO NODE 18E.30 IS CODE _ :? ---------------------------------------------------------------------------- >) }}?RATIONAL METHOD INITIAL SUBAREA ANALYSIS < < { {{ C: ASSUMED INITIAL St &AREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K* E {LEN8TH**3} / <ELEVATION CHANGE) 3 **- E INITIAL SUBAREA FLOW—LENGTH = 950-00 UPSTREAM ELEVATION = 1304.70 DOWNSTREAM ELEVATION = 1 E93. Set ELEVATION DIFFERENCE = 11.2%6 210�Id�.lNd YtKfY f+fKtfYf �L tNftfYL32 f Y S tPft.:Pt /KiltllCT = .S. M/Ri:' SOIL CLASSIFICATION 18 "A" SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT .7576 SUBAREA RUNOFF (CFS} ! 10.57 TOTAL AREA(ACRES) or 4.10 TOTAL RUWWF(CFS) = 16.57 ® �r�c�e�e+ ���e�e�r�ac •a���x��r�r�K�r+�aeu��r�eu+ tie+ arc• �eaaie+ ca��e�e�e�e�+ ��+ �ieirairi eie�♦ exaea��ir�r�e ,r+r�+e•+�•�rie�rx+r+rieicirir FLOW PROCESS FROM NODE TO NODE 182'. @tat 13 CODE = 3 ---------------------------------------------------------------------------- ))))) C0MFt1TE PZPEFLOW TRAVELTZME THRU SU&PREA (( ( )))) )1182ND COMPUTER- ESTIMATED PIPESZZE 4NON- PRESSt1RE FLOW) ((< ( ( !!!R!Rlii!li salsa! iaiiiARRir RRAAaaiaAiiaiRRRiaAAA iiiaAliRAARAiaaiaiiRa Raga Ras IyEPT14 OF FLOW I N C-1.0 INCH PIPE IS 23.2 I NCHES PZPEFLOW VELOCITY(FEEI* /SEC.) = 6.7 UPSTREAM NODE ELEVATION = 1%1 D WNISTREAM NODE ELEVATION = 1E91.00 FLOWLENGTH ( FEET) a 2170. 88 MANNI NGS N a .013 ESTIMATED PIPE DZAMETER<INCH) = E1.00 NUMBER OF PIPES 1 PZPEFLOW THRU SUBAREA(CFS) A 140.57 TRAVEL TZME (MI i .67 TC (MZN.) = 15. Kies +��+r�ar+tSS�+tie+aSC+r,eSSx acwKir. r, e�+ c+ e+ r�• �+ ���•+ �+ r��u�r�r�tir+ ea •�e�r,r�e+�+�SeK�K�r�e���r�e�r. aieKSe�rx��K+�+eicic FLOW PROCESS FROM NODE 1 ae. eke TO NODS 1 Sa. @tat IS CODE a 3 --.-------------------------------------------------------------------- - - - - -- )))) }DESZQNATF_ INDEPENDENT STREAM FOR CONFLUENCE<<fl< arasaaasaaa: aaaaaaa: aaaaasaaaaaaaaaaA .s+aaaaaaa :.�saaaaaaass - - - aaasaaaaaa:aasaaaaaa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTRATION(MINUTES) = 15.49 RAINFALL INTENSITY <INCH. /HOUR) = 3.31 TOTAL STREAM AREA (ACRES) a .4.28 TOTAL STREAM RUNOFF AT CONFLUENCE - 1 *t*tutt *e*t *r*e*r*►*t*e*t *e *t*e *r *c r. *t *e *t *t *e*e+e *r aeu -�e+r r. it �t+t+t�titaeitae rt �t �t�eititrt w+e+t�e+t�tu a ♦e it �r it re �trtr. +ta�euu eta �t�e�t+e it FLOW PROCESS FROM NODE 2 6 . 2 O TO NODE 2 hie. atat 18 CODE i )))))RATZANAL METHOD INITIAL SU$AREA ANALYSZS<< < << aaaaasesaiaaaaaaaaaaaa s: aaaaaaseaaaaasaaaaaaaaasAASaaas ava:uaaaaaaaaaaa saaaaa ASSUMED INITIAL SUBAREA UNIFORM DEVELOf:"ENT IS.- SINGLE F#-YMI LY (1/4 ACRE) TC ! X*C <LENGTH*e*e3) / <ELEVATZON CHAN8E) I*o-* . is INITIAL SUBAREA FLOW- LENGTH - 900.00 00 UPST REAM ELEVATION - 1: ?99.70 Df2WNS T REAM ELEVATION A 112 00 ELEVATION DIFFERENCE = 8.7ac� TC = . 393*t C < 900. (Z 0*e*t3) / ( Es. rat) I *e*r. ie a 15. 087 100.00 YEAR RAINFALL ZNTENSZTY<ZNCH /HOUP) i 3.366 SOIL CLASSIFICATION IS "Gas SZNSLE- FAMILY (1 /4 ACRE LOT) RUNOPP COEFFICIENT = . 75. 66 SUBAREA RUNOFF(CPS) Es. 91 TOTAL AREA(ACRES) R 3.5.0 TOTAL RUNOFF4CFS) - B.91 FLOW PROCESS FROM NODE 2 6i .400 TO NODE 182-.00 IS CODE A e \ ---------------------------------------------------------------------------- } } }) } ADDI TI C� OF '3URAREs'k TO MAINLINE F•Ef -t4i FLOW < < < < < aaaaASaaaa! -- � aa :si7.RaaaaiTaasa: saaaaa. 79aaAa3S. 4RAa8 faaaaaACaaaiiSSaaaaa /viRaaifeamaaaAeiCas 100-00 YEAR RAINFALL ZNTENSITY(INCH /HOUR) 3. 366 SOIL CLASSIFICATION IS "A" SINGLE-FAMZLY41/4 ACRE LOT) RUNOFF COEFFICIENT = .7566 SLU3AREA AREA(ACRES) = 3. r-aZt SUBAREA RUNOFF (CFS) a 8.15 TOTAL AREA(ACRES) = 6.70 TOTAL RUNOFF40F3) i 17.406 4*%"1lR1lR**4txit1 4te* Fll*****KK•e*** iNfK41-** IFil**.********* RK RiF�IK�I�!1NlMKKKxK�!K FLOW PROCESS FROM NODE t 86-R. " TO NODE 1 8e. 00 IS CODE - t ---------------------------------------------------------------------------- )))))DESZGNATE INDEPENDENT STREAM FOR CWIFLUENCE( ) >) >)AND CE14PUTE VARIOUS CONFLUENCED STREAM VALUES((((( asasrssasssaaaaasrssasa ssassaassssssss sssrsraas :ssrawrsssssrassrssaarssss : :s+r CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE: TI ME OF CONCENT a 25. RAI NFALL INTENSITY (ZNCH. a 3.37 TOTAL STREAM AREA ( ACRES> r 6.75 TOTAL STREAM RUNOFF(CFS> AT CONFLUENCE - 17.06 CONFLUENCE Z NPO4MAT Z ON : STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MZN.) (Z / HOUR) 1 10.57 15.49 3.313 E 17.06 15. 3.366 RA INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SPC) USED FOR E STREAMS. VARIOUS CONFLUENCEtD. RUNOFF VALUES ARE AS FOLLOWS: E7. 36 a'-"7. 35 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: Rt1t OFF(CFS) - ::7.36 TIME ( MI NU TE'S) : 1 5. -487 TOTAL AREA(ACRES) a. 1B. Set 1e•1r1e11•1Nt1rx1ex1rKleK xKKx KxKKKxKKKxKxKxxxxKKKKKKKxKKx• k• KKxKKKKKKI IxKKKxKKxxKKKK1lKKllKih FLOW PROCESS FROM NODE E 1 Etc_. 041 TO NODE 1 60. 00 I S CODE 3 - - - ---__ )) >) >COMPUTE PIPER. Oh, tTRt� : +ELTIMETFtF:Lt$t.E£<AREFi r .; (r, (...___...--•-------___--- )> )> )USING COMPUTER - ESTIMATED PZPESZZ5 (NON PRESSURE F�-E)WY ((( s 7�ra«. ramaa asmAPa raliaiTm m W"" W irer mar rrma: m.Ar ma. wm"-w mlir �.Z T Ssssm:am+a'masuas.ar DEPTH OF FLOW IN INCH PIPE: IS 17.3 I NCHES PZPEFLOW VELOCZTY(FEET /SEC.) m 11.3 UPSTREAM NODE ELEVATION - 1.= : 91.80 DOWNSTREAM NODE ELEVATION A 12 FLOWLENGTH (FEET) - .4-40. Oet MANNI NGS N •= . ESTIMATED PIPE FY. ZAMETER( INCH) - e4.00 NUMB ER OF PIPES :A I PZPEFLOW THRU :?7. Sts TRAVEL TIME (MIN. ) TC(MIN. ) A 16.1-4 1!• 1l 11 1R1N!• i! 1!• 1l x1l Kll itl!' 1l 11xKxxi!• KxK• IFKxKKKxi4KKxiS•• k• ihKKKKxKKKx 4 txxx K KxK iN *KK i t •xKKK•K•itxi t xx•IS•KK•iS• FLOW PROCESS FROM NODE 1 8 1 .00 Tot NODE 160. 00 Z S COLE R 6 ) > >) >ADDZ OF S;. PAREA TO M AI NLINE PEAK ►= LOW ((( ( smsasas•..asesaa.�esaaraQ Sass�rmasaraeaasaa •.rasarmrs+.a..assrr assr_asa.arr..css.: r<_ .f .s= .sssraasasar. saaa.� x= ._ 1".00 YEAR RAINFALL ZNTENSZTY (ZNCH./HOURY ra 3-a-30' SOIL CLASSIFICATION IS ' SZNGLE- FAMILY (1 /4 ACRE LOT) RUNOFF COEFFICIENT = .75a? ? SUBAREA AREA (ACRESY 5. 00 SUBAREfs RUNS. ?F . Cr= S) - :tom. 1 TOTAL AREA ACRES) m 15. 80 TOTAL RUNOP (CFS) TC(MIN) : 16.1-4 U* R• ftKl lilitllxilxitxllKRxxKKxKKKKK #. KKKKx• K• KKxxxx• K• i• xKKxKKKN• KxKKxxxx• 1► KxKK• 1lKit•xxxK•r•KK•k•il.it.•M'..y. FLOW PROCESS FROM NODE 2 80. 00 TO NODE 180.00 IS CODE _ 1 )) >)) DESZ(3NATE INDEPENDENT STREAM FOR CONFLUENCE ((d ( e swss=• �arsssasas:. srsasassessssas +wssassssssseaasiasas vrassmstsrarsaaear si.� .stsyssr_ s�•.s.� .- .:easmas.� .ssr.Y s. =.sx.� f+fi`f t Rf Ki..3- t fY f tf�fLY t f Y S t f�fC:!`f. t !'lRif.fKl or TOTAL STREAM AREA (ACREStY a 15. Ese TOTAL STREAM RUNOFF (CFS Y AT CONFLUENCE 33. S3 �Pil R1l �!• RAR1l RRRRRRRRRRRRRRRRRRRRRRRRN• 1!• �FRRRRRRRRRRRi!• xRRxxR11 •RR•R•RRRRRRI!•ihxiNRxxiFxiFx it• FLOW PROCESS FROM NODE -_ - 181 1 c0 TO NODE -r - - 384 00 IS COL)E______ _______..____. - -- - )))))RATIONAL METHOD INITI SUBAPEA ANALYSIS < < <<< ssssassasassassssssaaraasar.: ssasassa.: saaassm. �. ms rvssaasaea. �ssraxsrassaa�asar .m.=aa :a�.ssass ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY 41/4 AC:RE' TC a K*C 4LENBTH**3) / (ELEVATION CHANGE) I xx. ,=: INITIAL SUBAAEAr FLOW - LENGTH - 400.00 UPSTREAM ELEVATION - 1300.00 DOWNSTREAM ELEVATION - 1:•91.00 ELEVATION DIFFERENCE - 9.042t TC: a .393 *£( 1 400.et0x•R3) /( 9.00 r 9. z t: 1".00 YEAR RAINFALL INTENSITY ( INCH /HOUR) _ di. S 5 SOIL CLASSIFICATION IS "A" SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT - .7805 SUBAREA RUNOFie (CF3) e. l TOTAL AREA ( ACRES) - .60 TOTAL Rt tNOFF (CFS Y - l �F�t�l•�l Rat• l R1r R-w**R 1l R7lRiFRRRRRRRRxitRRRRRx1fR•K•xi *-w******.****V.*xxit.** •K•xitxitilRR�1•RRRRRRR FLOW PROCESS FROM NODE 184. OQ TO NODE 100. 0421 IS CODE •= IS ))))) COMPUTE STREETFLOW TRAVELTIME THRU SLf&AREA< < saaaasaasasaasarsaarssaaa:. �• :aaasaassmaesaa+a-- axs.•msarrsa t.>".r.as.=•.sx- s.�:sa= :a�.� sra= mssaas s.•evmvv UPSTREAM ELEVATION 12 00 DOWNSTREAM ELEVATION I: t'E. CNN STREET LENGTH ( FEET Y *a 970.00 CURB HE I G t H (I NC:HES Y 8. STREET t*lLFWZDTH(FEETY +* :4.00 STREET CROSSFALL 4DECIMA-) •_ . 0893 SPECIFIED NUM.&EP OF HALFSTREETS CARRYING RUN •a= 1 **TRAVELTIME COMPUTED USING MEAN FLCtW <CF3) STREET FLOWDEP; H 4 FEET Y - . 40 0 HALFST REET FLOODWZ DTH ( FEET Y - 9. 0 AVERAGE FLOW VELOCIsY(FEET /SEC.Y - a. Eta PRODUCT OF DEPT VELOC I TV = 1.06 STREETFLOW TRAVEL T I'ME (MIN) - 6. 06 TC i MI NY 15. 879 300.00 YEAR RAINFI - kLL INTENSITY(INC.H/HOU Y =• 3.336 SOI CLASSIFICATION IS "A" SINGLE FAMZLY4 /4 ACRE LOTY RUNOF% COEFFICIENT - .7588' SUBAREA 1. ee SUIRAREA R0t 0rf t CF•9) = 3. 412 3 SLUMMED AREA ( ACRES) 1.60 TOTAL RUNOFe'- 4 CP S) - 5. 15 END OF SUBAREA STREETFLOW HYDRAU LICS: DEPTH(FEET) - .45 HALFSTREET FLOOiJWIDTH(FEET) - 10, 4i PLOW VELOCITY (FEET /SEC:. Y F c_. 9i5� 1.30 R• 1! 1lxx7lRxxRxRRRxxRxxxxx xxxxxr. xxxxxr. r. xxxxxxxr. xr. r. xxr. nxxxxxxxxxrr. x FLOW PROCESS FROM N( :#DE 180. 04LI TO NODE 1,90. 00 IS Ct`rF ►E a 1 ---------------------------.-------------------------------------------- - - - - -- ))))) DESIGNATE INDEPENDENT S s RE4M FOR CONFLUENCE (< ti { { sass':. rarassr sasssars sms. ss. es arasr: ca• e' m.• irassrar. rrasraaserrerer�.• ararsrarsa+ eQS *sa�'rraaszsresaaresaasswasaa� :r CONFLUENCE VALUES USED FOR INDEPENDE -N STREAM iR AR TIME OF CONCENTRATION(MINUTES) - 15.::9 RAINFALL INTENSITY (I NCH. /HOUPy - 3.3-4 TOTAL 'STREAM AREA (ACRES) nr 1.80 TOTAL STR!`AM RUNOFF tC:FSY AT C:ONFLU =NCE - 5.15 1lRRiFRRRRRRRRRRRR Rxxxf. xRxxxxxxRRxxxxxxi lRxRxxllllRRxxxRxltxRxxxxRxi! Ff PROCESS FROM NODE 1 TO NODE 1 63. 00 i s CODE E: l J? Id f4pb 4L assls!lialASSSAS=iSASSSlsas AiiiAAAIl AJRlAAA ARAiAAAARiAA'rAFRAltA..r AA RAAR i@iTi�iATiriSiZR.rat ASSUMED INITIAL. SUBAREA UNIFORM DEVELOPMENT ZSr SINGLE FAMILY 41141 ACRE} TC 9*C 4LENGTH**3} / 4ELEVATION CHANGE} Jxx. e INITIAL SUBAREA FLOW - LE NGTH = 700. UPSTREAM ELEVATION i 1 x°.96. 50 DOWNSTREAM ELEVATION - 12364.50 ELEVATION DIFFERENCE a 14.00 TC ! . 393xC 4 70O. OO_*3} / 4 t h. OrcZ} 3+rar. s* 11.797 # "." YEAR WVZNFALL INTENSZTY(INCH /HOUR} +Q 3.901 SOIL CLASSIFICATION IS "A" £INBLE- FAWLY41 /4 ACRE LOTY RUNOFF COEFFICIENT - .769#4 SUBAREA RUNOFF 4 CF S } = 13. eO TOTAL. AREA (ACRES} i 4.6+2 TOTAL RUNOFF 4CFSY a- 13. Br2+ araxaearaxxakaexxxirarx�rirxxiexxxx •xie�c�e•xxxxxiex�•xxxxr. ie• ie• xxirxxxxx*• x�c• x• r..• xx+ r•frx•�eirxxx•x�e•x•fexirxxxxx FLOW PROCESS FROM NODE la3. TO NODE 1 CIO. Oet 1 CODE = 6 ---------------------------------------------------------------------- - - - - -- > > )>>COMW STREETFLOW TRAVELf THRU SUSAREA44444 !laaiiiiliiilAii Si AARARAAiARAARRSAARAARl i Aii SARAAAR.4 R.TTiliiRilii SiC'RR:=RiaT Ar SiCi. =.YSSR UPSTREAM ELEVATION 1.x.84.50 DOWNSTREAM ELEVATION _ 1218e.00 STREET LENGTH4FEET} = 808. CURE HEZGTH4 1NCHEB} r S. STREET HALFW I D f H 4 FEE? } - 8 ST98ET crias sFALL 4 DF: C I MAL } i . 8 :93 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 1 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) = 14. NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREEYFLOW 9ESULTS AfkE BASED ON THE ASSUMPTION THAT NESLZ FLOW OCCURB OU TSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARkWAY, ETC;., IS NEOs..ECTED. STREET FLOWDEPTH4FEET} A .68 ® HALFST FLOODWIDTH4FEET i 1$. AVERAGE FLOW VELOCZTY(FEET /SEC. ) _ ;.661 PRODUCT OF DEPTH& VELOC I TY = 3. STREETFLOW TRAVELTZME4MZN} = C?. 91 TC(MZN} - 14.71 1@0.08 YEAR RAINFALL INTENSITY /HOU - 3. r SOZL CLASSIFICATION IS "R" SINGLE - FAMILY (1 /4 ACRE LOT) RUNOFF COEFFICIENT - .756401 SUBAREA AREA 4ACRES} _ .6 SUBAREA RUNOFF4CFS 2.55 SUMMED AREA (AC RES } i S. �x'0 TOTAL RUNOFF (CF S Y A 15.36 END OF SUBAREA STREETFLOW HYDRAULICS: DEfiTH(FEETY - . 69 HALF5TREE'T' FLOODWIDTH4FEETY - 16.67 FLOW VELOCITY(FEET,'SEC. ) _ a. DEPTHxVELOCZTY = . ot - N aeaexa cara carxarxxxxxacxacararxxx *ft xxxxx x xxxxxxxa rxxxxxxx xxx xx arxx ar xxxxarxxxxarxarae•xxxxarxxit. FLOW PROCESS FROM NODE 181.30 TO NODE 1 Be. 042 Z 4 CODE - a ) > > > > ADDZ T Z ON OF SUBAREA TO MAINLINE PEAK FLOW 4 4 4 d 4 a�seasaei: isasa. seassisas aaaaasiaaraarariary +rss�.rirsrsrs+aaerri. :.ssvrss: ezz.rasr =ssa= s�.r.asa.- 3+.= :tsrzsr -.r. 100. 00 YEAR RAZNFALL ZNTENSZTY 4 INCH /HOUR} T 3.417 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY (1 / ACRE LOT) RUNOFF COEFFICIENT' - . 756et SUSAREA AREA 4 AC KtEB } i 5.06 SUBAREA RUNOFF (CFS } - l . 95 TOTAL AREA4ACRES} 10.:0 TOTAL RUNOFF4CFS} r e s. 3# TC 4MZN} •= 14.73 a�rarxaexxxxarxxxarxarxxxxxxxarxasa• aexx+ rxxxxxx x xxxxxxxxx xxxx xxxxxxxxxxxxarse • «•«•xxxxxx�" FLOW PROCESS FROM NODE 1 60.00 TO NODE 180. I S CODE +� 3 > > > > >DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( > > > > > AND COMPUTE VARI CONFLUENCE£} STREAM VALUES 4 (4 4 ( �:c.tt+trc.utsvcx. wat_csczs urstt* rux s rvcrcvcrrtJtsv; xs s xe�;tn .s r••irst s TIME OF CONCENTRAT (MINUTES) 1 71 RAINFALL INTENSITY (INCH. /HOUR) 3.4E TOTAL STREAM AREA (ACRES) m #0. TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE a 31 ® CONFLUENCE INFORMATIONs STREAM RUNOFF TIME INTENSITY NUMBER <CFS) (MIN.) <ZNCH /HOUR) 1 39.53 16.14 3. 23& t-" 5.1 15. 6 3. 3 ea. 31 f 4. 7 3. 4 17 RAINFALL ZNTENSZTY AND TIME OF CONCENTRAT RATIO FORMULA489C) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOL 71.:9 70.:-6 69.&9 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) a 71. E9 TIME ( MINUTES) 16.136 TOTAL AREA(ACRES) - .x-7.80 *-wu• ** q I** gt*** ****u•** *.* *4t.**it. •R+tn•ia+t+e** v •a•+ta•+ v*I**it* **4t**4t4tl*A• FLOW PROCESS FROM NODE 180. TO NODE 190.00 IS CODE - 3 )))))COMPUTE PZPEFLOW TRAVELTZME THRU SUBAREA-14 }) }> }USING COMPUTER - ESTIMATED PZPESIZE (NON- PRESSURE FLOW)<<< <( m :asw�rmaaaarsmaaosa a aammaamesam aRaemmarsaaae aarmsarm rrammzraear as saerna•maavm:a :ar a asrsemr r DEPTH OF FLOW IN 36.0 INCH PIPE IS £.r5. 7 INCHE=S PIPEFLOW VELOCITY <FEET /SEC.} a 13.E UPSTREAM! NODE ELEVATION - 1 642 -. 00 DOWNSTREAM NODE ELEVATION a 1. FLOWLENGTH ( FEET) - 630.400 MANNI NSS N . 1&13 ESTIMATES PIPE DZAMEfER(ZNCH) 36.00 NUMBER OF PIPES - 1 PAZPEFLOW THRU 9U&AREA(CFSY _ 71.. TRAVEL TIME <MZN.) a .79 TG <MZN. ) a 16.93 it�t�►+swit �t�ie•atat�t�c•�eu�t •�rie• it•u uie• �e•u Stu• Veit ae�r �t•it ie•Y•�tw•+t itu•�t+titatit �t�t w•at•rtu �e•ie•w•+e x•ie•+r•�t ie•+t x •�•�e••k u•+tu•�t•K•itie•+e�c+tir it FLOW PROCESS FRf?M NODE 190.00 TO N 190. 00 IS CODE a 1 )))))DESZONATE INDEPENDENT STREAM FOR CONFLUENCE•.'< < << auwasra =a�.sa �-- aa arsssaaaar: sasaasaaarss* asssysasasuw. �aassasssrasrss <rsrsessssss :sa.�as - - - .mc CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATZON (MINUTES) 16.93 RAINFALL INTENSITY (INCH. /HOUR) m 3.1 TOTAL. STREAM AREA (ACRES) +Q ac-17. so TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE a 71.Z 421%***.** tae*%*eta %%* *%*%***per..' %%*.' titcart **- **- P**$$l**au****v*•K**** * **** -* FLOW PROCESS FROM NODE 191.00 TO NODE 190, 00 19 CODE - ------------------------------------------------ •----------------------- - - - - -- )))))RATIONAL METHOD INITIAL SUBAREA ANAL YSIS( <<<< ssr r"" Arss aWMLMWWamsrm: easaaeasssr_. mssrrs .aem+s..smraassaaaaaasaa :aaasr ASSUMED INITIAL SUBAREA UN IFOR M DEVELOPMENT IS; SZNGLE FAMILY (1/4 ACRE) TC - K*C <LENGTH**3) / (ELEVATION CHANGE)? * +. C: INITIAL SUBAREA FLOW -- LENGTH a 450.00 UPSTREAM ELEVATION - le78.70 DOWNSTREAM ELE VATION - 1 c` 71. 7 0 ELEVATION DIFFERENCE - TC : . 393+ E < 45@. e0 / ( 7. 00)1 *,*. 10.396 1 YEAR RAINFALL INTENSITY <ZNCH /HOUR) m 1i.:"a LiifVGiLG'- tN1Rti.1' I1y M;Kt Lull lRtwwil -r• - . t em.S SUBAREA RUNOFF (CFS) +p 9.46 TOTAL AREA (ACRES) - 6.90 TOT AL RUNOFF( = 9. 46 RRRRRRRRRR�lRRR RRRRRMRRR1FRRi lRIFiIR�IRRRR1!•RR1lRR1lRR�f RRRil Ri lit�!•R�!•RR11411►i1RR1lRllRil ill!•M••K•1!•iFiR• F PROCESS FROM NODE 190.01 TO NODE 190.00 IS CODE a # -------------------------------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(((<( )))))AND COMPUTE VARIOUS CONFLL09NC15D STREAM VALUES((((( rs�rasrssarsrw+ sssaaaraaes�ssarRaw. aswsass�ass sssrseassan•erasser eras eraarars�ssaa :sassasa s CONFLUENCE VALUES USED FOR I NDEPENDENT STREAM E ARE: TIME OF CONCENTRATION(MINUTES) R 1 RAINFALL INTENSITY (INCH. /HOUR) a 14.6.1 TOTAL STREAM AREA (ACRES) - .?.90 TOTAL S TREAM Rt1NOFF (CFS) AT CONFLUENC15 a 9. 4#6 CONFLUENCE I NFORMAT IONt STREAM RL4410Ft= TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) # 7 1.eS 16.93 3. # e 9.46 16. rb0 - 4..C:06 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA ( SRC) USED FOR a STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS; 7a.35 53.E3 COMPUTED CONFLUENCE EST I MA'fES ARE AS FOLLOWS RUNOFF (CFS) - 76.35 TIME (MI NUTES) 16.9 TOTAL AREA(ACRES) - 30.75 RRRRRRRRRR1tRRRRRRRRRRRRRN• RAN• 1l•• 11 �t11 1!• K• 1l 1l iFltR�l iNl RRil 11lhM• k• iFrN• it1l R�[• it7l iFRip •1lil�PilltililililltiFititllM. FLOW! PROCESS FROM NODE 190.00 TO NODE 1 95. " I S CODE 3 --------------------•-------------------------------------------------------- ))))) COMPUTE PIF`EFLOWt TRAVELTIME THRU SUBAREA (((( ( ))) ) )(.!SING COMPUTER- ESTIMATED PIPESIZE (NON-PRESSURE FLOW) ( ( ( ( ( arswsrasw •�•aaa.eassssaaraaaaaaaaa eraaaeras acarswsssasrraarsa masaraaaara arr ar sa•saraars eaaa sssa DEPTH OF FLOW! IN 39. INCH P IPE IS 30. di I NC Ht: s PZPEFLOWt VELOCITY (FEET /SEC.) er 11.3 UPSTREAM NODE ELE VATION •_ lie7l.70 DOWNSTREAM NODE ELEVATION - 1&63.00 FLOWLENGTH ( FEET) - 83et. 00 MANNING s N _ .013 ESTIMATED PIPE DIAMETER(INCH) ,r 39.00 NUMBER OF PIPES _ # P1 PEFLOW THRts SUBAREA ( CPS) 78.35 TRAVEL_ TIME4MIN. ) - #. :a TC(MIN. ) - 18.15 RRRRRRiNFRRRR1tRRRRRRRRRRRRRRRNRRRRRRI! •iR•RRRRN•iFilRR•KRRN•RiIRRN••R RRIFRRN•ilR1kRN•it�IRRR•1lRirR FLOW PROCESS FROM NODE 195. 00 TO NODE # 95. 00 I C ODE # )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(•:((( : ssaa�aaaeaaaswesaa: asaraaaeasa: aessaesaaaeaaaesaa*: amassassasararssaassssasaasaarsaaess :aaau :s z CONFLUENCE VALUES USED FOR INDEPENDENT :STREAM f ARE: TIME OF CONCENTRATION(MINUTES) - 18.15 RAINFALL INTENSITY ( INCH. 1#40UR) a 3.03 TOTAL STREAM AREA (ACRES) - 36.7 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE - 78.35 RRRRRRRRRRRRRRRRRRRRRRRititRR• 1lAilRRRN• itAilRR1 !•RRiIAiIRRRRRRiI�IRN•RR N•RRR•YIRRRRN•RRRR1l�F1!•1► FLOW! PROCESS FROM NODE 19C-.00 TO NODE 195.00 I S CODE a :? asustUMe i N E r r KL suomFTER UN Z F e"m DEVELOPMENT 18s SINGLE FAMILY 41/4 ACRE) TC - A* t 4LENGTKw-w3) / {ELEVATION GHANtdE) ?+►+t..'. INITIAL SUBAREA F LOW- LENGTH - lee. UPSTREAM ELEVATION - 1e74. DOWNST ELEVATION ! 1E63.60 ELEVATION DIFFERENCE - 11.00 TC . 393* C { 7 ei2e. ate• *3) / { 11. @eat) 3 ,e• *. E - 1:?. 380 100.a1aNZe YEAR RAINFALL ZNTENSZTV{ZNCH /HOUR) - 3.789 SOI CLASSIFICATION IS "A" SINGLE-FAMZLY4 ACRE LOT) RUNOFF COEFFZCZENT ar .76 SUBAREA Rt1NOFF {CFS) - 13.08 TOTAL AREA t ACRES) - 4. Set TOTAL RUNOFF {CFS) - 13.0a * �r* �**** ac***** ac***+ c +r *�e *�r * * * * * * * * * * * * * * * * * * *K * ** *«• *•K, rye* �. rrere,c *+r+e+e+e+c * * *«•.c••u• «• FLOW PROCESS FROM NODE 195.00 0 TO NODE 195.00 IS CODE - 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<4444 !l Nl aNl iYf!!!!!!!!!l1 .7�.�i.�.T'lilit!!l1.�.7taAR!!! R�!l al ii lailaiii.7Olilaiiai!lldR.s7aii CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E AREs TIME OF CONCENTRATION {MINUTES) a 1.36 RAINFALL INTENSITY { ZNCH. /HOUR) - 3.79 TOTAL STREAM AREA (ACRES) a 4. site TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE - 13.08 �F1!**** �!*** 1!************ 1t• �!******* �!*************• IF* 1!* K•***• M* i! �!• 1l iFlFi t•�!i!•1!•iF * *�! *•IN *i!1lilil• FLOW PROCESS FROM NODE 193. TO NODE 195.50 IS CODE - ----------------------------------------------------------------------------- )))))RATIANAL METHOD INITIAL SUBAREA ANALYSZS<<<<< aaaasa :llasaawaaaaaassa rssseisr.�asaaaesa ASSUMED ZNZTZAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1/4 ACRE) TC - X*£ {LENGTH * *3) / (ELEVATION CHANGE) 2**. E INITIAL SUBAREA FLOW- LENGTH - 1006-00 UPSTREAM ELEVATION - l e78. 70 DOWNSTREAM ELEVATION - 166.10 ELEVATION! DIFFERENCE - 1:3.642+ TC - . 393«•[ { 1a4eaZee. Ault * *3) / { - 14. 9:34 108. YEAR RAINFALL ZNTENSITY { ZNCH /HOUR) - 3. 3,98 SOIL CLASSIFICATION IS "A" SZNGLE-FAMZLY { 1 /4 ACRE LOT) RUNOFF COEFFICIENT - .757E' SUBAREA R #%43FF (CFS) - 16.4s:: TOTAL AREA(ACRES) - 6. 4e TOTAL. RUNOFF {CFE) - 16.4a * * *� * * * * * * * * * *a�+en•+e•+r *�e• arm******«• �*** r.+ r+ e***+ e* �w•* x•+ r**«• �e• ie•* ie • *�ie••u•�ex•K�r�ie•ir * * *� *�•r. ac•+�+�«• FLOW PROCESS FROM NODE 195.50 TO NODE 195.00 IS CODE - a -------------------------------------------------------------------- ---- _. -_.... )))))COMPuTE STREETFLOW TRAVELTIME THRU SUBAREA << < << ll aaur+ aaraaasas :la.=!itil.�la!lliaaia.�. eta lileer.�aiairriisrsm•.ssa�.mr a r+.+esaiaaaaaisaiia�sas+.s UPSTREAM ELEVATION - 1 w66. 1 e DOWNSTREAM ELE. VAT Z ON I eS3. feat STREET LENGTH { FEET) 400. CUR& HE I GTH { I NCHES Y - S. STREET HALFWZDTH {FEET) - .2 00 STREET CROSSFALL {DECZMAL.) _ . fR ?O SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 1 * *TRAVELTZME COMPUTED USING MEAN FLOW(CFSY - 16.4•.' -: 10 STREET FLOWMPTH {FEET) _ .65 HALFSTREET FLOODWZDTH {FEET) - 18.59 AVERAGE FLOW VEL0C Z TY {FEET /SE.C.) - 3.39 PRODUCT OF DEPTH& VELf#C Z T Y - a.19 STREETFLOW TWrvELTIME {MIN) - 1.97' TC4MIN) - 16.t39 100. YEAR RAINFALL INTENSITY { INCH /HOUR) = 3.145 tJtlilMKtii fiKCfi t FK:KG237 +� tiubt fm#4 lit oMcf P < t.:P' b ) JW ICS. two SLIMMED RRER{ACRES) - 45. 40 TOTAL RUNOFF{CFS) - 16. 42A END OF SUSARER ST REETFLOiW HYDRAtUL I CS x DEPTH<FEET) - .65 HALFSTREET FLOODWIDTH {FEET) = 1 FLOW VELOCITY<FEETISEC.) - 3.39 DEPTH*VELOCITY a C-.19 �t+ �« w+► ���x+ ��r�e�t��• tr�r�ir�rw�ir�ir��e�r�wx�t• x• ir��• x• sr��• �• ����e�rx�r�rx�r�exee�c��rar�rx «•�ie�r�e•�rer���+ek«•tir�r FLOW PROCESS FROM NODE 1 '93. TO NODE 395.$8 IS CODE m 8 ---------------------------------------------------------------------------- ))))) ADV I T ION OF SUBAREA TO MAI NLINE PERK FLOW < < ( < ( ssssaa srssssasras sssaarssssaassrsrsswsasaaarrsassraaasssasmssas asrrssrasassar 200.00 YEAR RAINFALL INTENSITY 41NCH /HOt.lR) a 3.145 SOIL CLASSIFICATION IS `.A" SINGLE- FAMILY 4114• ACRE LOT) RUNOFF COEFFICIENT m .7500 SUBAREA AREA { ACRES) 4.00 SUBAREA RUNOFF ( CFS) or 9.44 TOTAL ARER<RCRES) 1 40. , 40 TOTAL RUNOFF {CFS) m 2?5. as TC {MIN) - f 6. 439 M1Nl�! Ri!!!i! �N! it1! �! i! 1N! �! i! M'R �t�! R 1! R �! �! 1! 1F i! �!�! 4!•1! 1! i! �t �F �P1! i! 1! iP1! N•i!i! i! iFi! �!�! i! 1t•�t• 1! 1!•1! �! �F it1li! i! �! 1c �! il�t• �! 1! �! �!•�! �! �! FLOW PROCESS FROM NODE 195.00 TO NODE 195.80 IS CODE 2 ---------------------------------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLU NCE < < < << >)))) AND COMPUTE VARIOUS CCi OLUENCED ST REAM VALUES < < < < ( ssssssssaasssasassraamsasaarasasmmsraasasrraarmaasaasa smaassrsssaa.ammassamaar CONFLUENCE VALUES tUSED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION {MINUTES) +_ 145.89 RAINPALL INTENSITY ( I NCH. f HC URt a 3.15 TOTAL STREAM AREA {ACRES) = let. 48 TOTAL STREAM RUNOFF 40FSY AY CONFLUENCE - &5.a5 CONFLUENCE INFORMATION: STREAM RUNO TIME INTENSITY NUMBER (CF8) (MIN.) {INCH /HOUR) ---------------------------------------------------------------------------- 1 719.35 16.15 3. 81 13. 1. 3Ei 3.7a9 3 :5.85 16.89 3.145 RAI NFALL INTENSITY AND TIME OF CONCENT RAT I C-1 FORMULA<SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNtOFF VALU ARE. AS POL LOWS: 113.50 8S. fi6 1 09.460 COMPUTED CONFLUENCE ESTI ARE AS FOLLOWS: RUNOFF (Cps) = 113.50 TIME <MINUTES) a 18. 15rf TOTAL AREA(ACRES) - 45.60 �! i! �l i► it7!' R1l 1!• S• �tit�l �hltX1l 1l itR�Fi!• 1! �l iFil K�!• 1l Rihi► ltih�l lFil i!• R�t1l 4k• 1!• iN41hil ihil i!• 1t• 1l iF it ir it�i lililll�F�►1FN•1Fil�lit�!•�h1! FLOW PROCESS FROM NODE 195, Oet TO NODE 19S.,00 IS CODE = 3 ---------------------------------------------------------------------- - - - - -- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA < < < << )))))USING COMPU TER - ESTIMATED PIPESIZE {NON- PRESSURE FLOW)<< <<< aasssmarrassssmsrsm rrs sraaaasasmasm ssrassaamar srrsas sramrrar sasaeaaaaaamr ss sr rasa: sr DEPTH OF FLOW IN 4, 0 INCH PIPE IS 33.3 INCHES PIPEFLOW VELOCITY<FEETISEC.) = 33.9 UPSTREAM NODE ELE •= 2:63.88 DOWNSTREAM NODE ELEVATION = 1858. tZ0 FLOWLENOTH {FEET) - 358. MANNINGS N .013 ESTIMATED PIPE DIAMETER<INCH) = 4:.88 NUMBER OF PIPES = 3 PIPEFLOW THRU SUSAREA (CFS) 113.50 TRAVEL TIME {MIN.) - .4e TC (MIN.) a 18.57 t C.tiFf !•'fKt.ft.tti2� t' lrtlP! fYLtt� 2 `�. SSIL� f tl fYtltlt ! 7�. Ciid � � tJt•ftiG = 2 ------------------------.------------------------.----------------------------- > > > > >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE4444< ss�wwsressssssssasssrrssaarssssssasarssassssssa�sssssarsas :aawsssssssassssaas =arr. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTOATION { MINUTES) = 18.57 RAINFALL INTENSITY (INCH. /HOUR) A 8.97 TOTAL STREAM AREA (ACRES) = 45.60 TOTAL STREAM RUNOFFSCFS) AT CONFLUENCE 113.50 4! 444 !4!4!4l4NlM4!4!4!4l4R�!�!**4!M W* 4t.* 4t•* 4 t*4t**Ww***R****4l4F4t•4!****44 *******R**4!4t 4!4F4!4t 4l4F4!4!4l4NF4l4l4! FLOW PROCESS FROM NODE 194.10 TO NODE 194.1 IS CODE A 8 ---------------------------------------------------------------------------- > > >))RATIONAL METHOD INITIAL SUBAREA ANAL YSIS{ < < << sawsarwsasssanras sae -- - ssssssssssssssssssasa�asssa w+ ssssssaeaasssssssssassssssssxas ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT 19s CONDOMINIUM TC ; X*C 4LENGTH**3> / (ELEVATION CHANGE) 2**. i?' INITIAL SUBAREA FLOW - LENGTH 730. UPSTREAM ELEVATION A 1RBE. DOWNSTREAM ELEVATI = le7t. 0B E DIFFERENCE = 11. TC : . 359«• L 4 ?30. t%o* •3> / 4 11. 04O.Ir ] **. i = 11 .6 16 1".00 YEAR RAINFALL INTENSITY4INCH /HOURY 3.937 SOI CLASSIFICATION IS "A" CONDONZNIUM DEVELOPMENT RUNOFF COEFFICIENT .794 SUBAREA RUNt1FF <CFS> = 7.50 TOTAL AREA (ACRES) _ e.di8 TOTAL RUNOFF4CF8> A 7.5ts"a 414F414F4146417c •1!1! •1! 4! 4! K i! 4! 4l4F'It• R 4! 7! 464! 4NF 4F4! 4! 4! 4! 4C 4h4t4l4t•4! 4F 4! 4F4h4F41•4! 44.4! 4!4!4!4! 4! 4t••K•1! 7! 4! 4F4t• 1!4! 4! 1F 4! •IP 444E 4! 4! •K•4! 4! 4! it•4F 4! 4! FLOW PROCESS FROM NODE 19+4. 1 ct TO NODE 195.80 IS CODE A 5 ---------------------------------------------------------------------- - - - - -- > > > >> COMPUTE TRAPEZDZDAL- CHANNEL FLOb! < < > > > > > T RAVELT I ME THRU SUBAREA < < 4 < < UPSTREAM NODE ELEVAT - 1i7t.400 DOWNSTREAM NODE ELEVATIOr-i •s 115-56. so CHANNEL LENGTH THRU SUBAREA 4 FEET) - 8 ". BB CHANNEL BASE 4FEET> _ • ". 80t "7" FACTOR = a .000 MANNINf3S FACTOR = .015 MAXIMUM DEPTH {FEET} _ .54a CHANNEL FLOW THRU SUBAREA4CF51 A 7.50 FLOW VELOCITY4FEET /SEC} - 3.39 FLO14 DEPT#44FEETY A .11 TRAVEL TIME4MIN. > = 3.93 TC4MFN. > = 15. 55 N1l4! 4! 4l1R'IN! 4l4F 4R 1! 4! x i! •1! ot• it•iP 414141 1! 4! 4F 4t•'Ih 1t• 1F 4! if •1l1Nk 4! 4! 4F4! 4R •/t 1t' 4!''t! 4t 4! 4! 4! 4R R 4l1t 4!!t 4! 4F 1!'!! 4! 4t 4! 1! 4! ik x 4t 4C 1! 4! 1t 4i! R 4! 1! 1!4! 44 FLOW PROCESS FROM NODE} 194. TO NODE 195.80 19 CODE a* 8 > >> >)ADDI OF :SUBAREA TO MAINLINE PEA( FLOW < < < << = =iSiiiiii.Aia =it= =iiTAiri AAA CAARA =aAAi iTA ORRAR RAAiiil'AJRS =CAJi war"" R w a"RAi Ria Riwwrjw -wmowi 100.00 YEAR RAINFALL ZNTENSITYiINCH /H0URY : 3.306 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT _ .7r"s34 SUBAREA AREA4ACRES) A 3.60 SUBAREA RUNOFF(CFS> R 9. 3;? TOTAL AREA{ACRES) = 6.400 TOTAL At#40FF 4CFS) A 16.493 TC <MIN> = 15.55 4l4R4F4! 4!4! 4!4! 414E •R4! k R 7! 4! 4F4! 4! 4! 4!R iF4! 4!•44 4! 4! 4! 4! 4!4!4! 4h4h4! •IR4t•4! 4F 4! 4t• 44.44• •N• •1! 4!'K' i! 4F 4! 4t•4t4! 4!1!•4! 4F 4t•4F 4! R 4F4t 4! 4Fi! #• 4F1Nt•4F4t• 4! 4! 4! FLOW PROCESS FROM NODE 195.88 TO NODE 195. 4se IS CODE A 1 ---------------------------------------------------------------------- - - - - -- » » >DESIONATE INDEPENDENT STREAM FOR CONFLUENCE < << << > > > >) COMPUTE VARIOUS CONFLUENCED STREAM VALUE$<<< << L;L"w L. uatsrL;r_ vtse_uttS umstu rues l svi s= rtsvtetsv f is f tctat�i H SSt s TIME OF CONCENTRATION(MINUTES) 25.55 RAINFALL INTENSITY (INCH. /HOUR) 3.32 TOTAL STREAM AREA (ACRES) i 6.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 16. 83 CONFLUENCE ZNFORMATZONs STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------- - - - - -- 2 113.50 18.57 :. 971 E 16.493 15.55 3. 366 RAI NFALL INTENSITY AND TIME OF CONCENTRATION RATZO FORMULA(SRC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS; lea. se 111. ac- COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS; RUNOFF(CFS) = 128.6.9 TIME(MINUTES) +R 16.57.4 TOTAL AREA(ACRES) - 51.60 �►�l�lih�lil�!« �t�R �!R«•�! �h�! �! �! iF�R•i! it i! �! 1! �!•i! 1! 1! i! �! �! «•1F �!�! i!«•1! i! �! «•iF 9! �! 1! K•i! �! �! �! N 1! 1! 1! 1F iF iF i! i! 1!R It R «•i! 1! 1! x «•it i! «• �!1! �! FLOW PROCESS FROM NODE 195.80 TO NODE 296.00 IS CORE a 3 ---------------------------------------------------------------------- - - - - -- ))))}COMPUTE PZ PEFLOW TRAVELTZME THRU SUBAREA(((( } } ) ) )USZNH COMPUTER - ESTIMATED PZPESZIE (NON- PRE- FLOW) (( (( ( sraas:: iiiaiaaaisssi: aassasaaaa :saaasi. :aaaaaaaaaaraaaa+�aari sssasaaraaaaasaaa rw•saiss• DEPTH OF FLOW IN 57.0 INCH PIPE I S k 3. 6 INCHES PZPEFLOW VELOCZTY(FEET /SEC.) - 8.8 UPSTREAM NODE ELEVATION - 1C-56.50 DOWNSTREAM NODE ELEVATION - 1 58.00 FLOWLENSTH( - 2 30.00 WINNINGS N .013 ESTIMATED PIPE DIAMETER(ZNCH) i 57.00 NUMBER OF PIPES i 1 PIPEFLOW THRU SUBAREA4C 1le`s.6 TRAVEL TIME (MIN.) - . & 5 TC (MIN.) i 18. BE w��arw�w�rw« �a«•, r«• ���r�ex«• ��e��r+ e«•«•«• x «•,r«•K.c�rr.uu+�K•K«• «••K«•r. «• «• irk. c. r�«• �c, e�► ir« •+� «•u«•�s«•,rir«•«•«•«•�ea«•+� FLOW PROCESS FROM NODE 196.00 TO NODE 196.00 IS CODE 1 ---------------------------------------------------.---------------------_.--- )))) }DESrGNATE ZNDEPENDENT STREAM FOR CONFLUENCE((({( CONFLUENCE VALUES USE('. FOR ZNDF- PENDENT STREAM 1 ARE.- TIME OF CONCENTRATION(MINUTESI a* 29.82 RAINFALL INTENSITY (INCH. /HOUR) a 2.95 TOTAL STREAM AREA 4ACRES) i $1.60 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE - 1ea. 6:: �e+ e�« , ex+ �K, e+ e�raxK�errar+ e+ e+ euic«• ir+ eae«• �eK« •«•ie«•«•«•�ir�e+tt++e «�r+�+�ux «•+ c«•««•«• ie«• ie« �a «• «•�•K��,e«•.e«rr•r�r«•ir+r.e FLOW PROCESS FROM NODE 2 9di. i0 TO NODE 194. 242t I CODE a e )} }}}RATIONAL. METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS.- CONDOMINIUM TC a AitC (LENGTH -**3) / (ELEVATION CHANGE) 3**. INITIAL SUBAREA FLOW- LENGTH i Cleo.0el UPSTREAM ELEVATION - 1E8 .Oet DOWNSTREAM ELEVATION - 1 73.00 ELE VAT Z ON DIFFERENCE - 9. RISC'; TC = . 359+ [ ( 8". 00**3) / ( 9. le. 77.4 1"." YEAR RAINFALL ZNTENSZTY(ZNCH /HOUR) 3.719 LlLt!!/�litit KL WE3tl= Wri ls) = b. 1!3 TOTAL AREA(ACRES) = a.10 TOTAL RUNOFF(CFS) +w 6.18 teK�ae�re�r+�ae�e�e *u%ir* +r+r** %*4t*%wgr+ta x**% FLOW PROCESS FROM MODE 194. ee TO NODE 196.00 IS CODE = 6 ---------------------------------------------------------------------------- ) ))))COMPUTE STREETFLOW TRAVELTIME THRU SUSAREA<<<<< UPSTREAM ELEVATION = IZ73.00 DOWNSTREAM ELEVATION 1 58.00 STREET LENGTH ( FEET) = 9". IMF CUR& HE 1 OTH (INCHES) = 8. STREET HALFWZDTH(FEET) = 3E.00 STREET CROSSFALL(DECZMAL) _ .0 43 SPECIFIED NttMBER OF HALFSTREETS CAR*YZNG RUNOFF = 2 - **TRAVELTIME COMPUTED USING MEAN FLOW4CFS) 8.42 STREET FLOWDEPTH(FEET) _ .4? HALFSTREET FLOGDWZDTH - 13.0 AVERAGE FLOW VELOCITY ( FEET / SEC.) = 3.76 PRODUCT OF DEPTHAVELOCZTY = 1.75 STREETFLOW TRAVELTZME A S.99 TC (MZ N) = 16.77 100.0Qt YEAR RAINFALL ZNTENSZTY (INCHIHOUR) 3.159 SOIL CLASSIFICATION 19 "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT +_ .7"3 SUBAREA <(REA(ACRES) = 1. B0 sus4REA RUNOFF (CF's) = 4.44 SUMMED AREA(ACRES) 3.90 TOTAL RUNOFF(CFS) = 10.61 END OF SUBAREA STREETFLOW HYDRAULICS DEPTH(FEETY _ .49 HALFSTREET FLOODWZDTH(FEET) = 13.95 FLOW VELOCITY ( FEET! SEC.) - 4. 17 DEPTH* VELOC Z TY = E'. 0 �ew��R��tr�etee► trsc�is�ex�r��eir�c�eir��r�eie�e�iexx�e�ee, e�x�r�e�cxir�icie��rxer�rir�rir�rr. �rx♦e�xicsr�r�r�r��eiew�+��ex� FLOW PROCESS FROM NODE 296.00 TO HOVE 196.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<< << )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES44 4 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i ARE TIME OF CONCENTRATION<MINUTES) = 16.77 RAINFALL INTENSITY (INCH. /HOUR) = 3.16 TOTAL STREAM AREA (ACRES) .. 3.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 10.6 WNFLUENCE INFORMATION; STREAM RUNOFF TZME ZNTENEZTV NumatER (CFf3:) (MIN. ) (INCH /HOUR) ---------------------------------------------------------------------------- 1 2 t?8. 6ie 1 6. 8e :. 94 7 10.61 16.77 3.159 RAINFALL INTENSITY AND TIME OF CON015NTRATION RAT IO FORMULA MEW-) USED FOR a STREAMS. VARI OUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS. 138. 541- 1.M lc 1 COMPUTED CONFLUENCE ESTIMATES AkE AS FOLLOWS; RUNOFF (CFS) - 138.5a TZME (MINUTES) = 18. & TOTAL AREA(ACRES) = 5:3. so �l 1tRiF1l lt�l �l it�l 111P1t1til Ril llit�l ltit�t�l itR�l lt�11111�141�l iFitll iRil iF4Fil 1l 11�h�l itit11it4l �l K�l ititIFQ�l �l itlFlC� 11l�F�liFiflll►iFil�llli! FLOW PROCESS FROM NODE 296. 00 TO NODE 19a.00 IS CODE •* 3 )))))COMPUTE PZPEFLOW TRAVELTIME THRU SUBAREA( < < << )))))USING COMPUTER- ESTIMATED PIPESIZ9 (NON - PRESSURE FLOW) <<<<< DEPTH OF FLOW IN 60.0 INCH PIPE 18 46.5 INCHES Is Loot t M04M rp-mitt tLtvw f t LPN i 2 grow. WW DOWNSTREAM NODE ELEVATION — le57.59t FLOWLENOTH(FEET) = 350.4" MANNINGS N = .013 ESTIMATED PIPE DZAMETER(INCH) = 60.4M NUMBER OF PIPES 2 PZPEFLOW THRU SUSAREA(CFS) i 238. TRAVEL TIME(MIN.) _ .es TC(MZN.) = 29.22 �l�I RNA!' i! �!• �! 4 !�l�lR�l�l�Fil�!•i!i!1!1!�!�lif �! i! �l �P�l iF1l �l �1 1F1!• 1F�F�l• �l 1l iF�F�Fil it�l 7l lt' 1! 1l �h�F1F�l �l iFiF�l ih1l i►. •K•i!•1F1lilil�kM•il�hNiliF7l�! FLOW PROCESS FROM NODE 198.09t TO NODE 198.00 I S CODE +R 2 ----------------------------------------------------•------------------------ )))))DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE <(< {( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TI ME OF CONCENTRAT 2 9.22 RA INFALL INTENSITY (INCH. /HOUR) = E. 9.a. TOTAL STREAM AREA (ACRES) = 55.50 TOTAL STREAM RUNOFF(CPS) AT CONFLUENCE 238.5a �Nl�F'1!�!'IR�N!' �!�! 1N! �! �! �!i! 1l4hiF1! RQ 1F1! 1!•i! �! 1!Q 1! •! R4!•�!•�t•1! i! R1! 1! 1! �! �! �t•'R�! �!•1!'R�F �! 7f 1!1! �! 1! �! �! 1F �! N•'1! 1! 7! �! i!'1! �! iF 9!•1! 7N! i! 1t1! FLOW PROCESS FROM NODE 198.00 TO NODE 198. 400 Z S CODE 7 ---------------------------------------------------------------------------- )))))USER SPECIFIED HYDROLOGY INFORMAT AT NODE< < < < l aaeaa�aarsassaassr sswr�ass= assAassasasasasiasaaeasae :aaeaa. =sssssaaaem =.alar --- aa=sues.er+ USER- SPECZFIED VALUES ARE AS FOLLOWS: TCIMIN) i 25.99 RAIN INTENSITY(INCH /HOUR) = 3.2'5 TOTAL AREA(ACRES) 53.80 TOTAL RUNOFF (CFS) R 139.346 R�l�!'1!•�!�!•i!K• 1! t!1! 1! 1!�! 1!i! M 1! R•R 1!�! iF 1! �!•�N1li! i! K �t'�R•�!' 1! it 1! 1F iF1! 1F 7!•1!1! 1! 1!1! 1! �! �hR 1Fih iF1li! 1h1{•�!' itlhiFl!• t!' �!• 1! i! R M•1! ♦F'K' i! R•i!1! ih FLOW PROCESS FROM NODE 298.00 TO NODE 298.00 ZS CODE 2 ------------------------------------------------------------•---------------- )))))DE8ZGNATE INDEPENDENT STREAM FOR CONFLUENCE << < << )))))AND COMPUTE VARIOUS CONF STREA" VALUES < <<<< lsssssissssssssssssassa: s�sssssssssarssssssssss :ss ssa.arssasss srasiaa ssssssss sas CONFLUENCE VALUES USED FOR INDEPENDENT STREAM .4. ARE: TIME OF CONCENTRATZON s 25.99 RAINFALL INTENSITY (I NCH. !HOUR) s* 3. E:5 TOTAL STREAM AREA (ACRES) - 53.80 TOTAL STREAM RUNOFF (C AT CONFLUENCE = 139.36 CONFLUENCE ZNFORMATZON: STREAM/ RUNOFF T I ME INTENSI NUMBER (CFS) (MIN.) (INCHIHOUR) 2 13a. NEE' 19.11 el gee e 139. 2 5. 99 3. &so RAINFALL INTENSZTY AND TIME OF CONCENT RATZO FORMULA USED FOR a STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: E63. 75 e55. E7 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS. - RUNOFF = e63.75 TIMElMINUTES) = 29.225 TOTAL AREA (ACRES) s 289. k wae+ Ne• �t�w• �rieR��tre�r�e�ere��euu+ �+ tw�r�u• w• �rreia+ e•+ r�r�w- w+ �ir��e• �r+ ric• �caeirw• irx+ R•+ �+ c• ar��t+ e' ie•+ exirw •ie•�e+e•�ie•+r�e•rr�x�tisx FLOW PROCESS FROM NODE 19a. TO NODE 198.50 I S CODE 3 ----------------------------------------------=--------------------------- )))))COMPUTE PZPEFLOW TRAVELTZME THRU SUBAREA < < <<< ))))USING COmpuTER— ESTIMATED PZPESZZE (NON— PRESSURE FLOW) <<<<< lii sasssssssssssssssASississsssss rsssarssssssssssssses seas wsssisars e.sASSass sssaa DEPTH OF FLOW IN 65.0 INCH PIPE 19 53.3 INCHES LWO s flt"" N/Lam GLG f 1 0.nv AN 2 km t . me DOWNSTREAM NODE ELEVATION = tE56.50L� FLOWLEN®TH(FEET) a 1340.00 MANNI ESTIMATED RIPE DIAMETERSINCH) = 66.00 PIPEFLOW THAU St18AREA(CFS) a 2163.75 TRAVEL TIME (MIN.) _ .19 TC(MIN.) v N a . NUMBER OF PIPES = a 19. 31 1 Mrl�l�!•�N{•flM�lQ�N!!�!�!�!1!R �F�! �l�t f!•iFQN• 1l• R1l t l�lfFifl�Nl1l�!•i!�!�liFM•�!•1! R• iti !•a •1!�lR ilil llN�l�N�!• it 1l�! 4! �lM�eR•�44l�l FLOW PR(3C6SS FROM NODE 198.50 TO NODE 198. 540 IS CODE s 1 } } } } }DESZ&#ATE INDEPENDENT STREAM FOR CONFLUENCE E( E(( ��waaaasasae :a s: Maas:= aaaaass Maraew a aaaaaaaaaaaws :aaaa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTRATION(MINUTES) a 19.31 RAINFALL INTENSITY (INCH. /HOUR) - 2.90 TOTAL STREAM AREA (ACRES) = 1409.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE _ X63.75 !�♦!� �!�'!l��N! K �! 1! �! �! 1! M 7!•R �l• •1! 1!1!1!x! 7!•1! 1! �!�! 1! �l�41!•1! 1! i!1! i!�!•�! 1! R•�F1! 1F �! �!• �! •R R �! �! 1!•1t•�! �! �! iF �! RR1! i! i! �! � 1! �! �! 1! �!• 4!1! � i!• FLOW PROCESS FROM NODE 198.140 TO NODE 198.10 I3 CODE E ---------------------------------------------------------------------------- }))})Rf'4T METHOD INITIAL SUBAREA ANALYSIS((( arasaaaaasssmaaaaaa ar aaasaaaaasaaas sraawaraatsaasaaaaaraaaasaaaaaraasaaamaaasraaaasaaaaaa ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS.- CONDOMINIUM TC = X*C (LEN8TH**3) / ( ELEVATZON CHAN8E) 2*-*,,t INITIAL SUBAREA FLOW - LENGTH = 7408.00 UPSTREAM ELEVATION 00 DOWNSTREAM ELEVATION - 1E6B.00 ELEVATION DIFFERENCE _ di.eet TC ar .359+1C4 70ca.0Ac**3> /( 4.oey3 a 13.86 10e. YEAR RAINFALL INTENSITY(INCH/HOUR) 3.5940 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT - .7871:0 SUBAREA RLW4OrF (CFS> a 6.41 TOTAL AREAEAC _ ► ?.38 TOTAL RUNOFFECFS) a 1e•1c 1r 1l1:• i! 1e 1! •�• ie it 1r it 1t r. r. 141t 1! •R 1t �• 1! 1! 1h 1e i! 1! 1! 1l1t 1! 1t 1! 1e 1!• 1k 1r 1t 1t1h 1f 1t 1k ih 1F1t• 1c 1�• 1t• 1! i! 1! •M i! 1F 1! iP 1!•it•1t• 1! 1h 1t•1e 1h1! 1e1e1! 1! 1! iF ie•N• F L OW PROCESS FROM NODE 196.10 TO NODE 196.8+a I3 CODE = S >) >> > COMPf_kTE TRAPEZ01 DAL - CHANNEL FLOW { 4 d d d ) >) >) T RAVEL T I t4E THRU SUBAREA (((C f aasfrasaaasassasarsmaaarss.aaa srs++. nssarxrasr+. aaaamsa. a. �aaaaraaasaasssm. tuear .sfsss.•rssaa�sas=ssassaau: UPSTREAM NODE ELEVATION •= I arse, 00a DOWNSTREAM NODE ELEVAT a 1:°_'57. 5D CHANNEL LENGTH THRU SUBAREA/FEET) - 84". 00 C HANNEL BASE (FEET> s ae. 00 "Z" FACTOR = 060c� MANN I N6S FACTOR ar . 02015 MAXIMUM L" aPTH ( FEET) +* .50 CHANNEL FLOW THRU SUPARFA4CFS> a: 6.41 FLOW VELOCITY(FEET / SEC) = E. 9B P L OW DEPTH (tEET) _ .11 TRAVEL TIME (MIN. > m 4.60 TC (MIN. > +r 18.46 0 • k�irlr�xx+ rte1�1r1r�rx• 1�1r1t1r1r1r1r1e1e• 1S• ��1k1r• �x• 1R1l 1r11 1t�1r1r1e 1t• 1r1l 1e14 1t1r• k1r 1e• 1t1r ••f! FLOW PROCESS - FROM NODE - -- 1983020 - TO NODE - -- 198 5020 - IS - CODE _ $ - - l - - -- --------------------- ) > > ), > ADDi T ION OF SUBAREA TO MAINLINE PEAK FLOW (((( ( s sarassssassssarrrss arssss �+• area :as s ussssrsss.rssssa esssss ssa sasssir ssarsssrssassssar as a 14040.4040 YEAR RAINFALL INTENSITY 4INCF•1 /HOUR> •s SOIL CLASSIFICATION I9 "A" CCN D004I NI UM DEVELOPMENT RUNOFF COEFFICIENT a r 76c_ SUBAREA AREA ( ACRES) = 3.40020 SUBAREA RUNOFF ( CFS) a- 6.94 fi.:SfRdf %l s Att. wftm aeac al aeaeae R1r�! �! i! �l ae ar at aeacae seat ae a acae ae** .*%*%d** cacat aeae** FLOW PROCESS FROM NODE 198.59t TO NODE 198.54'6 i CODE = I ---------------------------------------------------------------------------- ))) >)DESZONATE INDEPENDENT STREAM FOR CONFLUENCE( Y))) YAND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ssssssssassssssssass ssss: ass- a= ss+ e= aassssssss ssssssssssssssssasssssssanrsssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E AREs TIME OF CONCENTRATION(MINUTES) - 18.46 RAINFALL INTENSITY ( INCH. 1HOURY - &.9a TOTAL STREAM AREA (ACRES) a 5.30 TOTAL STREAM RUNOFF (CFS) AT CCiNFLUENCE 13.36 CONFLUENCE INFORMAT s STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) t INCH /HOUR) 1 E63. 75 13. 31 2 se E' 13.36 18.46 E. 981 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA498C) USED FOR - STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: e76.75 e65.55 COMPUTED CONFLUENCE: ESTIMATES ARE AS FOLLOWS: RUNOFF SCFS) - X76. 75 T IME (MINUTES) - 19. 3le TOTAL AREAtACRES) - 114. aeae ae�►+e+s+e•u*+e****- 4p. a•**ar x••kw•**** star***** ***pair*+rieKat•****it• *w•******arx•***** *K*• *u• FLOW PROCESS FROM NODE 138. Sat TO NODE '80. 00 IS COVE - 3 ---------------------------------------------------------------------- - - - - -- ))))> COMPUTE PIPEFLOW TRAVELTZMe THRU SUBAREA((( {( Y))!USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOWY <{{ff sssaasss trssss=s s.�s sass ssssasss ss ssss ssssrsssa ssss s sasassasss sss rsa :ass wr DEPTH OF FLOW IN 459.0 INCH PIPE IS 53.7 INCHES PIPEFLOW VELOCITY(FEETISEC.) - le.8 UPSTREAM NODE ELEVATION - 1E56.50 DOWNSTREAM NODE ELEVATION t 54. atec`t FLOWLENGTH (FEET) - 4ete. eka MANNINGS N .01:3 ESTIMATED PIPE DIAMETERSINCH) - 65. NUMBER OF PIPES - 3 PIPE-FLOW THRU SUEzAREA4CFSY "76.75 TRAVEL TIME(MIN. Y - . 5E TC /MIN.) - 19.83 4ea t*4rscarart.arseaeacal**aer. arc at ar* .*******aeaeae**ieaxu•+taexaa•*-***-kl* r+ ti ea4e- e- en+t*******%**4t-e+eit•*xw•u FLOW PROCESS FROM NODE 68. 10 TO NODE 80.00 I CODE - 8 >) >>)ADDI OF SUBAREA TO MAINLINE PERK FLOW 4{444 stmsasssaiesaesarssssmarasamasrssas- anssssa :a wear. =s+aeaassa.•oaaarssata.MA& ae. sasses- as :asaasaa 100. YEAR RAINFALL INTEN8ZTY4INCHIHOURY - E. SOIL CLASSIFICATION IS % A " SINGLE- FAMILY (114 ACRE LOT) RUNOFF COEFFICIENT >s .7399 SUBAREA AREA ( ACRES Y - 5.5 SUBAREA RUNOFF { CFS) - 11. 6a TOTAL AREA(ACRES) 1L0.1 TOTAL RUNOFF(CFS) - Ee38.37 TC (MI NY 19.83 araraeae scat star ar start! sear ar ae ac x ataeae•ararararae ae aeae at•�aracatacararatarae acacatacacatar+tacat araearr. acaeaeaeat+e star seat star ar arar+t acacaca►aeac• FLOW PROCESS FROM NODE Bat. Oat TO NODE 90.04a Is CODE - 3 ----------------------------------------------------------------------- - - - -•- ))>)) COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(((({ ) > ) >Y USING COMPUTER- ESTIMATED PIF•ESIZE (NON PRESSURE FLOWY {(( {( PIPEFLOW VELOCITY(FEET /SEC.) = 18.7 UPSTREAM NODE ELEVATION s 1C-5-4.00 DOWNSTREAM NODE ELEVATION - #e38.88 FLOWLENGTH a sEle.00 MANNINGS N a .013 ESTIMATED PIPE DIAMETER(INCH) m 60.80 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) a 888.37 TRAVEL TIME (MIN. } _ .88 TC (MIN. } _ iE0. ?# �ric•ux•�t�r•ts�t �eieaaex+r ae�ear x•atx•x•x••ttx•x•�x•ie�ex•� �e�ie+ tir�eK�ie• �t• wx •K�e+e•�r�r+e�ex•+rx•�����ae•r� �e+�x•+�arx•�e�e�+r��eR�rx•x• FLOW PROCESS FROM NODE 90.10 TO NODE 98. GR 18 CODE 8 ---------------------------------------------------------------------------- >) > > > ADDI TI Oit OF SUBAREA TO MAINLINE PERK FLOW < < ( < < - ass aasa :saasssaaasaas:aas :aaa:asaaaaa sass-: as :assaaaa arsaa :sassaasaaaaasa 28O." YEAR RAINFALL INTENSI ( INCH /HOUR) _ &.783 SOIL CLASSIFICATION IS "A" SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7374b SUBAREA AREA(ACRES) Es. le SUBAREA RUNOFF(CF9) - 15.51 TOTAL AREA(ACRES} ar leiR.EQt TOTAL RUNOP (CFS) m 384.99 TG (MIN) - E0.71 �hx!i!1!•�Nl it�! a! 1! x• * * .*** * * * ***RR x• Q ** *** x•x 4t.** R x•x•x•x•x•x•a ** *x•x•x• FLOW PROCESS FROM NODE 98. EG TO NODE 90. 00 IS CODE = 8 ---------------------------------------------------------------------------- >) >) >ADDITION OF SUPAREA TO MAINLINE PEAK FLOW < < << saaaeasssssasasssaysmssrasaassssaaaeeasasasssasassaasssasssss --- ssaas :ssssass=ssa 1". YEAR RAINFALL INTENSITY ( INCH /HOUR) •*r &.783 SOIL CLASSIFICATION IS "A" SINGLE - FAMILY (1 ✓4 ACRE LOT) RUNOFF COEFFICIENT - . 737er SUBAREA AREA(ACRE -S) = 1 #. ee SUBAREA RtJNOFF (CFS) a a 4. ae TOTAL AREA(ACRES) = 140.00 TOTAL RUNOFF(CFS) = 36 -19.19 TC (MIN) - iE0, 7 1 x• itR �tl F�kll x• K• x• x• x• i!• 1!• 1! i! i! f! ititxiF�l x• x• x• �l iFitx• itxiFitx• 1t�l 7l lFx• �! x• i! x• i! i! x• �! x• x• i! i! i! x• itil ititx• x •i!x•1!1!1!•K•iRx•i!i!i!x•Rx•i! FLOW PROCESS FROM NODE 90.00 TO NODE # oet. 8G I $ CODE s 3 >))>)COMPUTE PIPEFLOW TRAVELTIME THRU SURAREA< <<<< >))) >USIN& COMPUTER- ESTIMATED PIPESItE (NON- PRESSURE FLOW) < <( <( s =s :sssss : :sassssssssrasus asssarsssrsss sss Ara sarsssssssasssss ams ssssss ss : Wars nr ss=ss s DEPTH OF FLOW IN 60. INCH PIPE IS 45.8 INCHES PIPEPI - VELOCITY (FEE t /SEC.) UPSTREAM NODE ELEVATION s 1E 38.8t2t DOWNSTREAM NODE ELEVATION = 1. x _'-':5.00 FLOWLENOTH(FEET) - 700.80 MANNINGS N .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA <CFS) 3E.9.19 TRAVEL TIME<MIN.) s .56 TC(MIN.) _ 1.�S Kx•uat x•aex•+rat+e�t+ex•x•at•x•ie •r K x•x• �!• x•x• ae Kx•+e iex•�t x•x•rex•x•�r frx•+e ax•�r �t+e+tie xiex••a+r+r x•+e x•x•x• x•x•+tx•x• � u K�rx•x•�K♦exx•+e x FLOW PROCESS FROM NODE 100.10 TO NODE 1". 00 IS CODE = 8 ----------------------------------------------•------------------------------ )) > >) ADDI TI ON OF SU&PREA TO MAINLINE PE!#( FLOW < < < < < aaraassssssssaaassas. �sssaassssassssssxs :asaaaaaassssasasass srasssssasssaassasass 100." YEAR RAINFALL INTENSITY(INCH/HOURY _ ie.737 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7351 SUBAREA AREA4ACRES) 10. SUBAREA RUNOFF(CFS) _ TOTAL AREA (AC'.nReS) - 150.50 TOTAL RUNOP ( CFS) = 350.3a TC (MIN) - ::1.:9 r c.U" rirue:t:%z% r ficum PAJLft 10R0c0.::W o 0.r svuut a ow. 4m : zx c,;ufit = a ---------------------------------------------------------------------------- YYYY OF SUBAREA TO MAINLINE PEAK FLOW 44444 1"." YEAR RAINFALL INTENSITY4INCH /HWRY - e.737 SOIL CLASSIFICATION IS "A" SINGLE FAMILY (# /4 ACRE LOT) RUNOFF COEFFICIENT a .7351 SUBAREA AREA(ACRES - 1 0. b2le SUSAREA RUNtOFF 4CFSY - ".5a TOTAL AREA ( ACRES Y 160.70 TONAL RUNOFF (CFS ) a 370.84 TC 4MINY �l�k Bit iliR iF�l�!•� M•M• 1! �!! �N! �! 1! �! �!•i! i! i! �!'1!•M•i! �! �! �N! �!R i!•i! 1F �!•1Hl�!•iF'K• �!•N•1Fi!•N•�! 1! ilKit fit• it•R �! �!• 1! �! iF iF1li! �!•1! �!•�! �HR N iNliN!• FLOW PROCESS FROM NODE # 0200. 00 TO NODS 11 0.00 I S CODE a 3 ---------------------------------------------------------------------------- ))))) COMPUTE PIPEFLOW TRAVELTIME THRU SUDAREA 4 4 4 4 4 Y Y Y Y Y USINtG COMPUTER- ESTIMATED PIPESI iE 4NON PRESSURE FLOWY 4 4 4 4 4 sss s ss sss s s s s s asasrssswesss s s.�s seas: as sssssasssaa. aarsas sss sa s ss ss ss s aseras s sa sas DEPTH OF FLOW IN 66.0 INCH PIPE IS 5E.6 INCHES PIPEFLOW VELOCITY 4FEET /SEC. Y - 16.3 UPST NODE EL - 1% DOWNSTREAM NODE ELEVATION m # f 63. 50c� FLOWLENOTH(FEETY : 486. MANNINGS N :Q .013 ESTIMATED PIPE DIAMETER4INCHY a 66.00 NUMSER OF PIPES a # PIPEFLOW THRU SUBAREA (CFS) 370.e-4 TRAVEL. TIMe4MIN. Y a .44 TC(MIN. ) 73 �t�e•�ear r. �r x•K �•+raeKn•ie ic•+e *•+r�rw••re•ir re+e u•�r+e•+e �r ar ac•+r rr+eirK�ra•Rae+e•n•ie�e•ie w•ir � ie•♦e•�+t+e•irn+e+ai0• «•� ie �+e•+e•ir•ir�rarr� �eie•+e+e•x•ir FLOW PROCESS FROM NODE # # 0.0200 TO NODE # # 0.00 Is CODE A # -------•------------------------------------------------•--------------------- Y Y Y Y Y DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE 4 4 4 4 4 sara�rasssssassmss:+ rsa�araa- rsssssmas�s:�ssasarasasssos assesses: arsaessmssasm�esssaeaaursssaaaa CONFLUENCE VALUES USED FOR I NDEPENDENT ST REAM # ARE: TIME OF CONCENTRnTION(MINUTE9Y - . =_#.73 RAINFALL INTENSITY ( INCH. /HOURY a e.70 TOTAL STREAM AREA 4ACRESY - 16(tc.70 TOTAL :STREAM RUNOFF 4CFS ) AT CONFLUENCE 370<t. 8d', i!�!i!i!9lilfF ♦. i!7lR1!ilT. iF1Fi!• R•• R• R11 11 11 it1` 1! i! i!• i! it11iFl► R1l 11 1!• 1! �! i! 1l itRlki!• k•• 1l �Fil It• 1! 7!• 1!• IFll iil llitR• 1l ilikihRil�!•R�l�!•R�tiFK••1!i!• PLOW PROCESS FROM NODE # # 0. # 0 TO NODE # # 020. c_0 I S CODE E ------------------------------------------------ .----------------------- - - - - -- Y Y Y Y Y RAT 10NJlL ME THOD I N P T I AL StsDA EA ANFtL YS I S e 4 4 4 ar.+ss+ssss: sss s: aassasaaaaaasaesasesvwaaammaaasaassres :ssaasraarssas+ sss saaasssaaassaaa:es ASSUMED INITIAL StYDAREA UN I FORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE Y TC a K*C ( LENGTH-* 3) / 4ELEVATION CHANGE) 3**. E INITIAL SUPAREA FLOW- LENGTH - 40I0020. UPSTREAM ELEVATION - # E6. 70 DOWNSTREAM ELEVAT - # hElao. 00 ELEVATION DIFFERENCE - 6.70 TC - . 393* t ( .46000. 00 -w*3Y / ( S. 7etY a **. a a 9. 7 7 100." YEAR RAINFALL INTENSITY4ZNCH /HDURY - 4.367 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY (# /4 ACRE LOT) RUNOFF COEFFICIENT a .7780 SU&AREA Rt#40FF 4CFSY R 6.8 s 10 TOTAL AREA4ACRESY - &.60 TONAL RUNOFs• (CPS) - 8.83 �e •K•arit ♦e�e�t•k r x •kie �tw ir�•K•��t is x�eie k •re+tK�t�e+0 x �+tK il+e+e+�+e�t�r �r+tirne•+a•oe+r itirie ie•�s��e•rex •k •R � x r. •oe�►�t•��e•�e•rri! FLOW PROCESS FROM NODE TO NODE 110. 0210 18 CODE 4 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUitAREA 4 4 4 4 4 1 y s b 1p! !4I l P I PP A I t F [ tdnNt- P*ES9fJ C z% f t fqm f Gt! 0- 0-4 fJt **n= I= rc S t rqutf) Ili I ts. w4ftq q DEPTH OF FLOW IN l6.0 INCH PIPE IS 9.9 I NCHE S PIPEFLOW VELOCITY(FEETJSEC.) = 6.6 UPSTREAM MODE ELEVATION i 1x.00 DOWNSTREAM NODE ELEVATION = #E16.50 FLOWLENGTH 4 FEET Y = 70. 00 MANNI N6$ N .013 ESTIMATED PIPE DIAMETER41NCHY +R 16.00 NUMBER OF PIPES = # PIPEFLOW THOU SubAREA4CF8) 8.63 TRAVEL TIME (MIN. > .13 TC4MIN.) = 9. ����ir�r���e�rxwtt�e�te����rir�r�e��ris�e�e�e�ew • earir�c• �e�r���efetexae�r��feieic• �rw�• �c��r�rxie�e��e •�rrc������ewie�r+e�r� FLOW PROCESS FROM NODE 135. TO NODE 110-00 IS CODE 6 ----------------------------------------------------------------------------- ) )>) ADDITION OF SUBAREA TO MAINLINE PEAK FLOW444 {< isssii saisa ASi aiassAaiaaaiiaaaaaiaA iiiaaaiiiiAiiissiaaiisafTaiasi 1 00.00 YEAR RAINFALL INTENSITY4I /H0UR) +R 4.33E' SOIL CLASSIFICATION IS "A" SINGLE FAMILY41 /4 ACRE LOTY RUNOFF COEFFICIENT - .7774 SUBAREA AREA 4ACRES) A 6.30 SUBAREA RUNOFF 40FSY s TOTAL AREA(ACRE-S) a 6.90 TOTAL RUNOFF 4CFS) 30.05 TC (MIN! = 9.90 �c,e,e,rae�s.rx,e x �+c x � .r•s~ �eae�ae �.cK �r«•�,e «•�t�r�e �u,e+� arKiex•�s �+e•ie,aat•at �t+r r. +� at n,e�t+e�,air,r+e •rx ieKx �e+r.ciru,e,r+�.e•�e•x FLOW PROCESS FROM NONE 110.00 T O NODE 1 #0.00 I CODE _ # ---------------------------------------------------------------------- - - - - -- ) > >) > DESIGNATE INDEPENDENT 'STREAM FOR CONFLUENCE < 4 < < < Y ! ! ! > ANIY COMPUTE VARIOUS CONFLUENCED STREAM VALUES 4 < 4 ( < iii iaiaaiiaA= AaAiARiiiiiAiaAiCLf' AP1t A71' i. 4iiia►= aAaaiiAiaiii lAAii7<AiJ4R.4AAAAAiaAaA.4a A1' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM ARE: TIME OP CONCENTRATION (MINUTES) = S.90 RAINFALL INTENSITY 4INCH. 4.33 TOTAL. STREAM ARE (ACRES) S.30 TOTAL. STREAM RUNOFF 4CFSY AT CONFLUENCE - 30.05 CONFLUENCE INFORMATION; STREAM RUNOFF TIME INTENSITY NUMBER (CPS) 4MIN.) 4INCH /HOUR) ------------------------------------------------------------------------ 1 37+x.64 E1. 73 L .704 ,c.. 30.05 9.90 4.33:. RAINFALL I NTENS 2 T Y AND TIME OF CONCENTRATION RIFT 1 O FORMULA (SErCY USED FOR e STREAMS. VARIOUS CONPLUENCEf3 RUNOFF V ALUES ARE AS FOLLOWS; 369.50 199.10 COMPUTED CONFLUENCE ESTIMATES ARe AS FOLLOWS; RUNOFF(CFSY - 369.60 TIME(MINUTES) = e#.7E7 TOTAL- ARE04ACReSY = 169.60 Ri! 1F1! i! 1! i!K' 1!•R Ri! i! �! 4! 1! �! iF i! iF �! i! �! �! 4Pi! i! 1! 1! �t•�!•1! R•IF 1l•�P �!'�!'1t �!•1P i! 1! 1! 1!•R 1! N �! �f K 1Fi! iP i►M' iF 1! 1! 1P 1!'1! iR i! 1t �! 1R �! 1!'IF �!•1!�!•1! 1F 1! FLOW PROCESS FROM NODS 110.0& TO NODE # a0. 00 IS CODE = 3 ------------------------------------------------- •---------------------- - - - - -- Y } !))COMPUTE PIPEFLOW TRAVELTIME THRU SU&AREA <4 < << !Y!!)USING COMPUTER - ESTIMATED PIPESIZE 4NON- PRESSURE FLOW) 44444 saasAasasssassisasa�siarsssaarssaaansasiASS. 4s asasisiasaraasassRaramissASeasssaiaeisrr DEPTH OF FLOW IN 64.0 I NCH PIPE 19 53.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) _ l .4 UPSTREAM NODE ELEVATION = 1E 16.50 DOWNSTREAM NODE ELEVATION = tts15. i0 FLOWLENGTH (FEETY = 7 00 MANNINGS N .013 ESTIMATED PIPE s" ZAMETER4INCH) = 84.00 NUMBER OF PIPES - # PIPEFLOW THRU SUE+AREA4CFS) = 369.60 �!• RR1�it• �t• RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR�1l Ri4RRRRRRi IRRR�IRRRil1FRRRRRRRRRRRRRRRRRR FLOW PROCESS FROM NODE 1". 0e TO NODE I eo. ee i CODE � 1 ---------------------------------------------------------------------------- )))))DESZGNATE INDEPENDENT STREAM FOR CONPLUENCE4 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE s TIME OF CONCENTRAT (MI NUTEW - E:=. 69 RAINFALL INTENSITY 4INCH. +► e3.63 TOTAL STREAM AREA 4ACRES) - 169.60 TOTAL STREAM RtNtt7OFF 4CFS) AT CONFLUENCE - 3as. 60 MRRRRRRRRRRRRRRRRRRRRRRRR R1!• RRRRRRRRRRR1t• RRRRRRRRRRI IRRRR�!•RRRRRRRR�IRR�hRRRRRRRRR F L OW PROCESS FROM NODE 1 ,20. 0Z00 TO NODE l".00 I S CODE - 7 ---------------------------------------------------------------------------- )))))USER SPECIFIEb HYDROLOGY INFORMATION AT NOtDE4(444 �ss�saaasssssaaaa: s: asaaassarsssasaaaaa. �aeasaassasassa sssassassssssssssa :assess USER SPECIFIED VALUES ARE AS FOLLOWS TC:4MIN) - 23.7°' RAIN INTENSITY4INCtilt•OUR) - 3.56 TOTAL AREA(ACRES) a 34. 40 TOTAL RUNOFF 4 CFS) - 77.37 RR• RRRRR• RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR�• RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR F L OW PROCESS FROM NODE 1".00 TO NODE I iE 0It0 13 COD - 1 )))) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE 4 4 4 4 4 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE: TI ME OF CONCENTRAT 4 MI NUTES Y - 13. 7,= RAINFALL INTENSITY (INCH. /HOUR) - 3.56 TOTA STREAM AREA (ACRES) - 34.40 TOTAL STREAM RUNOFF 4CFS) AT CONFLUENCE - 77.3'7 RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR�FRRRRRRRRRRI IRRRRRRRRRRRRRRRRRRRRRR FLOW PROCESS FROM NODE 1&0.40 TO NODE ZS CODE - ;- ---------------------------------------------------------------------------- ))))) RATIONAL METHOD INITIAL SUDAREA ANALY8I9 4 4 4 4 4 asssssara+: saeassessyamasssssssaeass .�saaaaaaasears — -- vsssasasassa + ss— aasassmssasa— :ass ASSUMED INITIAL SUBAREA UNI DEVELOPMENT IS: SINGLE FAMILY 4114 ACRE) TC - K* C 4LEN8T1- % / <ELEVA't'ION CNRNfxEi ? Rx. ;? INITIAL SUBAREA FLOW - LENGTH 7 O.00 UPSTREAM ELEVATION - I eel. 6O DOWNSTREAM ELEVATION •+F 1 %Ce 1 S. &c. ELEVATION D I FFEIvENCE R 6. 4421 TC - . 393R E 4 Tae. oetRR3) / 4 S. 40) s RR. E — f fs. IZ►s: 100." YEAR RAINFALL INTENSZTY4INCH /HOURi - 3.515 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT - .7605 SUBAREA RLX%IOFF(CFS) - 1.60 TOTA AREA(ACRES) - .60 TOTAL RUNOFF4CF - 1.60c� RRRRRRRRRRRRRRRRRRRRRRRRRRRRRiFRRRRRRRRRRRRRRRRRRRRRRRi IRRRRRiIRRRRRRRRRRRRRRRR 0 FLOW PROCESS FROM NODE 0 ek TO NODE lie o.eo IS CODE - 1 ------------------------------------------------------•---------------------- ) ))) ) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE 4 4 4 4 4 sassaassarssssasa :sa ease asas: sassesas: araassr�ass assasasssyssaasasaaasaaaasasaasea CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE TIME OF CONCENTRAT 14.03 RAINFALL INTENSITY (INCH. /HOUR) - 3.5.x. TOTAL STREAM AREA (ACRES) - .601 *1e*VW*41Fw r ye * *.*** r gt.***% * FLOW PROCESS FROM NODE 12!0. 30 TO NODE 1 216. 88 Z a CODE ---------------------------------------------------------------------------- ) )) ) ) RAT I ONAAL METHOD INITIAL St SAREA ANALYSIS 4 < 4 < < ------------------- ---- .- _•---- -•--•� -•--•-•----s- �:+.. aaaaaw aasasrss :asaausaaaa=aaa ASSUMED INITIAL SUDAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1/4 ACRE) TC = X*t 4LEN8TH **3) f 4E LEVATI ON CHANGE 3**. e INITIAL SUBAREA FLOW - LENGTH = 688.80 UPSTREAM ELEVATION = 1817.60 DOWNSTREAM ELEVATION = 1or15.E18 ELEVATION DIFFERENCE E.40 TC : . 393* E ( 64:0. 00**3) f 4 5. 384 1"-" 88 YEAR RAINFALL I NTENS Z T Y 4 Z NCHIHOUR) = 3.337 SOIL CLASSIFICATION I9 "A" SINGLE-FANZLY41/4 ACRE LOT) RUNOFF COEFFICIENT - .7557 SUBAREA RLNNOFF (CFS) 1..ea TOTAL AREA 4 ACRES) +* . 58 TOTAL RUNOFF ( CPS) ��uxa+t•u•aa•+e�e�rar+r �e+ e�c •+t•+e•u•it•+ea•�e•+e+r�+e•�e ie•+e•+t•«•+e+t' at•�r+t•u�c+e•re•+e•k+e K �r«•K+�+e••te•1e�rK•trar�rir+r ae �eK��r,e�e.t•,eariearu•+e«•,r F PROCESS FROM NODE 12*. 88 TO NODE l..8. IS CODE a 1 ---------------------------------------------------------------------------- )))))DE329NATE INDEPENDENT STREAM FOR CONFLUENCE<<<4< } } } }) ANf) COMPUTE VARIOUS CONFLUENCED STREAM VALUES 4 4 4 4 4 asaasasassaaaasa v aasssaas asesas asasassaarsss :aasssrsaaasssassass sassaas :aas s :xr CONFLUENCE VALUES USED FOR INDEPENDENT ST REAM 4 ARE.- TIME OF CONCENTRATION 4 M I NLNTES) _ 15.340t RAINFALL INTENSITY 4INCH. /HOUR) 3.3-4 TOTAL STREAM AREA < ACRES) - .50 TOTAL STREAM RLNNOFF 4CFS) AT CONFLUENCE = CONFLUENCE INFORMAT STREAM RUNOFF TIME INTENSITY NLNMRER 4CF8) 4MIN.) 4 ZNCH/HOUR) --------------------------------------------------------- •--------- - - - - -- RAINFALL INTENSITY AND T Z ME fit CONCEN T RRT I ON RAT 140 FORMt3LA ( SRC) USED FOR 4 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS.- 449.00 315.59 32-'8. oet 337.99 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS; RUNOFF 4CFi3) = 4.49. 08 T ZME 4MZNUTES) _ .9. 69.? TOTAL ARE44ACRES) 8.05. 10 a••te �e� ire at•a• �e��t•� ��eie�t•ne••K it• ♦e•+t•+e•�e+e �rxKU• x+eu �ea•ie•ie+t•� it �t+r+e•�t it••teit•K u•+e+t•+r+t•irar x �c+t•+e �+t•r. �t�e•�e �eu••rc�e fr+t+e•u•+e �ear�t�t• F LOW PROCESS FROM NODE 1 Oet TO NODE 1 fi4b. 88 IS CODE a 3 ------------------------------------------------------------------------------ ))))) COMPUTE PI PEFLOW TRAVELTZMe THRU SUERAREA < < 4 < 4 ) ) )) )USING COMF--LNTER ESTIMATED PIPESIZE 4NON- PRESSURE FLOW) 4 4 4 4 4 s :aaaas sasssasaasaaasasssass us: ssasaraer .rastsssssaasaasmssssaasss sssssa ars sssrar i DEPTH OF FLOW IN 69.0 INCH PIPE IS 55.9 INCHES PIPEFLOW VELOCITY4FEET /$EC.) = 19.9 UPSTREAM NODE ELEVAT a 1. 19. i8 DOWNSTREAM NODe ELEVATION = 1806.18 FLOWLENGTH 4 FEET) a 58124. 88 MANN I NGS N = .013 ESTIMATED PIPE DIAMETER4ZNCH) a 69.08 NUMBER OF PIPES a 3 PIPEFLOW THRU SLNBSAREA4CFS) = 449.4218 77.3 13. 7e 3.563 3 1.60 1 4 i. 4h3 3.515 4 1. 216 15.30 3.337 RAINFALL INTENSITY AND T Z ME fit CONCEN T RRT I ON RAT 140 FORMt3LA ( SRC) USED FOR 4 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS.- 449.00 315.59 32-'8. oet 337.99 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS; RUNOFF 4CFi3) = 4.49. 08 T ZME 4MZNUTES) _ .9. 69.? TOTAL ARE44ACRES) 8.05. 10 a••te �e� ire at•a• �e��t•� ��eie�t•ne••K it• ♦e•+t•+e•�e+e �rxKU• x+eu �ea•ie•ie+t•� it �t+r+e•�t it••teit•K u•+e+t•+r+t•irar x �c+t•+e �+t•r. �t�e•�e �eu••rc�e fr+t+e•u•+e �ear�t�t• F LOW PROCESS FROM NODE 1 Oet TO NODE 1 fi4b. 88 IS CODE a 3 ------------------------------------------------------------------------------ ))))) COMPUTE PI PEFLOW TRAVELTZMe THRU SUERAREA < < 4 < 4 ) ) )) )USING COMF--LNTER ESTIMATED PIPESIZE 4NON- PRESSURE FLOW) 4 4 4 4 4 s :aaaas sasssasaasaaasasssass us: ssasaraer .rastsssssaasaasmssssaasss sssssa ars sssrar i DEPTH OF FLOW IN 69.0 INCH PIPE IS 55.9 INCHES PIPEFLOW VELOCITY4FEET /$EC.) = 19.9 UPSTREAM NODE ELEVAT a 1. 19. i8 DOWNSTREAM NODe ELEVATION = 1806.18 FLOWLENGTH 4 FEET) a 58124. 88 MANN I NGS N = .013 ESTIMATED PIPE DIAMETER4ZNCH) a 69.08 NUMBER OF PIPES a 3 PIPEFLOW THRU SLNBSAREA4CFS) = 449.4218 �! i! RJR �l7F 7! �! iF K �F i! iliF1F�! R1l1F�F 1! �! R iF �! 7!•1! 7!'7!•7!' i! �F1! i! 1!•N 1! �!1!r!'1! 1tN•1!•R1l1F�!•i! iF�! i!�! �!•i!�! 1F9! i! 1! �!•�! 1f i! 1! �!�! K•1l1Fi! �!•R ih1F 1!• FLOW PROCESS FROM NODE 1408.00 TO NODE 3 40.00 Z S CODE 3 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE44 :a�aae�. sirs= sa== ara� :nrarataasto = =saaraara�rars = == ==s=aes == =Jars== = = = = =: - - - =a= =.eras = = =aa =a�aasr= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 FIRE: TIME OF CONCENTRATION(MINUTEB) RAI NFALL INTENSITY 4 INCH. /YOUR) +p £. 60 TOTAL STREAM AREA 4ACRE8) _ e65.30 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE 449.00 7l7t 7l7k 7l7F7l7! 1! 7! 7! 1t 7! 7!7! 7! 7! 7!7! 7! t 1!7! 7! iF7l�! i! it 7! �l7R 7F7! 7! i!7!•7h 7! It7litill! 7! i!7! 7!7! ♦! 7! 7F 7! 1! 7!7l1hi! 7!•7! 7l7FR 7F7! 7! 7!7!7! it 7h71.1! i! 7! X FLOW PROCESS FROM NODE 140.00 TO NODE 3 40.00 I S CODE +r 7 ---------------------------------------------------------------------------- )))))USER SPECIFIED HYDROLOGY INFORMATION AT NODE 444 sr= s= as= ssaa=:= ssaasasswaraa= aasaasssaa= :aaaaaaaaaaasaaas+ar =aa:a USER - SPECIFIED VALUES ARE AS FOLLOWS.- TC (MIN) = 36.47 RAIN INTENSZ TY 4 ZNC!•t /HOUR) 3.19 TOTAL AREA 4ACRES) a £3.ao TOTAL RUNOFF4CFS) = 58.95 7►7e•7r7k7P7r iR7! ie it7l7! 7! itn 7! 7liF7k7lil7l7! 7! 7l7F7r7l7F 7h xa��t�c •irir+r+r�r+a�+e�e+ruir�r� �r�r xr. K+r+e+e �c•+t �c�r�s ie�e a+eie+� a+e+e•Kar�c•+t+��r FLOW PROCESS FROM NODE 144&. 60 TO NODE 140.00 I S CODE 3 ---------------------------------------------------------------------- - - - - -- )))))DESZGNATE INDEPENDENT STREAM FOR CONFLUENCE44444 acsaur..ars =a =a =arr = = = =AW.W aaa =a = =a aaa =as sn sa.=a a+ =a =a = = ='srs = ==. assay = =as saa =s =ass :.szarta =a = = ='s' CONFLUENCE VALU USED POP INDEPEN STREAM a ARE: TIME OF CONC 36.47 RAINFALL INTENSITY 4ZNCH./HOUR) = 3.39 TOTAL ST REAM AREA 4 AC: RE S) a 3. SO TOTAL STREAM PUNf3FF 4CFS) AT CONFLUENCE = 58.95 7Q 7►. 7e 7e Ter. 7r7! 7h 7►. 7F 7! 7r 7t 7! 7! 7! 7! « 7! 7F R 7! ik 7t 7t 7e 767! � 7! 7!• iF iF7t7! 7e 7! 7F 7e 7! 7F 7F 7! 7! 7e 7t•7! 7! it 7h7! 7! iC iF i! 7! 7! 7t 7e 7h 7! 7! 7C 7e• 7r7! 7! 7f 7! 7!•7! 7e 7! 7h7! FLOW PROCESS FROM NODE 1-40. 80 T O NODE 3 40. 00 ZS CODE 7 ))))) USER SPECIFIED HYDROLOGY INFORMATION AT NODE 4 4 4 4 4 syssas=aa= aaa = ==mss= =a= sear=== a= a = =a == =aa = =aaas= USER- SPECIFIED VALUES ARE AS FOLLOWS: TC4MIN) RAIN INTENSITY4INCH/HOURY - ie.57 TOTAL AREA 4 ACRES) : 17. eet TOTAL RUNOFF4CFS) - 37.7& 7c •k 7474.7er. 7t7! 7t i! 7►. 7! 7! � �:•+�+� 7F 7! 7k 7! 7! 7! 7! 7! 7! ih i! 7! 7! 7t74 7! 7! 7t �► 7t 7! 7r x 7F7! 7! 7h7h7! iF i! 7t 7!•iF 7! 7! 7! 7! � 7! 747! 7t•7! 7! 7FiP 7k 7! 7! 7!i! 7h7l7t7! 7! 7! 7! FLOW PROCESS FROM NODE 3 40. 4200 TO NODE 140.00 I S CODE = 3 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE44444 )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES 4 44 44 s = :se=a =s =ar :a = =:rlrra =aye sraasrs•aa.e =aamarataaa s arawr =aer+vsar.r isasrem sraa mews araa aa+n =ar =aaas+rerat: CONFLUENCE VALUES USED FOR INDEPENDENT STRE 3 ARE: TIME OF CONCENTRATZOWMZNUTES) 7e .r!3.60 RAINFALL INTENSITY 4INCH. /HOUP) e.57 TOTAL STREAM AREA 4ACRES) = 3 ;'. i�!o TOTAL STREAM RUt AT CONFLUENCE = 37. 7e l® CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER 4CFS) 4MZN.) 4 ZNCH/HOUR) 3 449.04a E3. 19 i?. see E $Es. 95 16.-47 3. 3 93 1 37_ 7 i�-- --% 3. 66 a. 573 tK" A Pfr#iL.t_ t N f ftNbb A t V t-MLY t t M ilt' t.;UNt.;Wq t IV" t t LWq ft*" t t i! FORMULA <SDC> USED FOR 3 STREAMS. VARIOUS CONFLUENCED RtJNOFF VALUES ARE AS FOLLOWS s 534.06 404.15 5E9. 5di COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWSs RUNOFF <CPS> — 534.Od TIME <MZNUTES> a ?3. 19.4 TOTAL AREA 4ACRES> — E4s. 30 1! i(*** 4t 1N! 1t****4 t*.' R ****4 t4t1N Q1!* 1t***** 4t- **1N!1P1!1!1!1!�!�!1l1Nl1!1Rih FLOW PROCESS F140M NODE 140.06 TO NOME 606.00 IS COD a 3 ---------------------------------------------------------------------------- > >> >>COMPUTE PZPEFLOW TRAVELTIME THRU SUDAREA < < <<< >>> > >USING COMPUTER — EST IMATED PI PESTZE <NON— PRESSURE FLOW> < << << assess: assasssassaaanrasa: aaaaaaasss: aaaasssaaasaasaaaasasassaassasaasassasas DEPTH OF FLOW IN 61.8 INCH PIPE IS 53.E INCHES PIPEFLOW VELOr -ZTY <FEET/SEC. > - 17.8 UPSTREAM NODE ELEVATION m te06.10 DOWNSTREAM NODE ELEVAY Z ON - f i ?+N8. 00 FLOWLENOTH ! FEET > — 5: `icy. Ooh MANNI NESS N a .013 ESTIMATED PIPE DZAMETER <ZN -0 a 61.00 NUMBER OF PIPES +� t PIPEFLOW THRU SULW4REA(CF9> a 534.08 TRAVEL TIME <MZN. > _ . TC <MZN. ) a &3.77 sa.. — — — aas MCAWsra ssamaa :saaa :mssssaa ass. = :aasa END OF RAT Z ONAL METHOD ANALYSIS C7 LINE 'D' F: Ll he g I Rm CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SY DATE lOB NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS OCT. 1986 3366 1 1 FOOTHILL DRAIN LINE 'D' STREET CAPACITIES FOR 1. 25 -YEAR CAPACITY TO TOP OF CURB 2. 100 -YEAR CAPACITY TO R/W LINE El 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641.8777 R_J iv hGe� CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY M ar. JOB NO. S OF /?Oo& 33 to a l R � - -... - • .. Raw { EYE[ L/ALF � y LINCOLN LOOPROAD N.T.J. 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3428 • (714) 641 -8777 MH wax g po"W40.00 gmet CML ENGINEERING • LAND PLANNING • LAND SURVEY NG ArPovelT /E ev 6 s BAS /S OF DES /GN 7Z= 0.o /.5 C O IV VE YA n/C E 0 Me = lk /. 48G = 99.0 7 7"L v Z INCOL N 1-00,4P e 0Ao = A- s '/z • HAS F J'reEE r 4 7 w P = I • ?5 r6 AR C4PM:17Tw� A= A 74'� wP = 4/.34 v3 = 0.4.n Kr. SOZ. 45 ?O TO ca, -e, P Or C • /DO YEAR Cvpvclry 70 R /w c. ,vc ; A= Z/.74' wP- 61-34 R!. 0.50/ K= /079. o¢ OAST HF—P-ITAG- S PAr—KWAY • Hive.F ,f'r.PEF-r : 9 3.1004 WP= /9. 25 YEAe CAp9C 171 sAM E AS A60 ✓E C.-/ E 49 G N TO TOp OF caZe ' S /OE OF THE .Sreser • /00 YE Ae CAAAC 1 TY To Rlao -eIme : R= 341/9 �✓P= 9/, 39 � R /3 _ 0.5. 0 K= /93S.SS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3428 • (714) 641.8777 n ice•. Y R wig im . CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING S us C7 BY CATS m NO. OHM or ✓o�yN R /u1 Wo 4NAG Rlpt 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92628 -3428 • (714) 841-8777 EAST HER /TAGE.PARKWQY N.T.S. 101 0 20V,000� CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SM)ECT SV GATE 108 NO. i►IEET OF SM-ce i cdFkUr .4FA/ W • J -1� -BL �3G 3 •_ g u 0.2 s - .�16 QkEd J. I W P s /.J • 17 Q 2 !' ? • } 9 f d• 3.6 X ff.07X- .ja = a7. S : 0. 0090 .. S 14=0 - 00 "7 )( //7.34 - //• 1 -3 CF$ AFRI A (5,E PAkAIAIA Y a Ad[ ,' S7: D too Wo m lf 4 /B 94 .F r C 5 /• 1 / <<S Q�Y3 = . S40 ' 0 1.0 !ld[.F $T. S = o. of 00 :. s % A73 cAr . / K 94778 CFI' s= = o. o/G O •'. $ = , / ?f:S X //�7, �jd . Id. Ucr-r • 1.2Gr 1C YG7.78 /Z2.,/1 Cc dt A X 117.Jd : /4 .o3 c-0cJ .134 b X x79: dJ.'so Crj' oi3o .'. `Sd _ , /lo4O X 11,7,W '- 13.00Ar . 114 3j LFJ oo.4 .'• SA, , o l7fx Y l' J.2e a 7.X 4 cf . P47fZ X - 4, ' 6S. LJ CrJ ,vo,ei2 : /'_ 'V .SCdLE rae T / I s I I 3186 -L AIRWAY AVENUE • COSTA MESH CALIFORNIA 92626 -4675 • (714) 641 -8777 C7 Vil CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING MlEtt p ` SUBJECT nn WE 10• NO. , iNE .D fT ,e EET ..0"iOV .4 — • - EAST. INDEPENDENCE WAY EASr*CONSTITUTION WAY -' mommommomm N.TS .. �w I Q G� rl 0 se' sa' , YAR /Ed B' 24' •, t4' a' 2 LEYEL LINE • i 6 GRAND AVE M. T 1. .. Iw 1 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 02628.3129 • 1714) 641.8777 0 i t 9 9c o CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING \ SHEET OF By DATE m O. a AdLF air' o' r1 �� .• e� - ¢� F ST JE' .:EZ: = a. s /• k . /lo / .2o •� /09� s.PJXyy.o7X . �— /° �o l A /NDFP�'iVD�NGE . WA V RALC r. Q /00 C wsm - unom l�f��4}� Q . W: 7 a 2/ j = . Sly ST k .F� ��•s /k 9�.o >t If — /s7 • SO cfs :ivis•x IM? - /zr. 71 4cr : 07W40' y i /J1i Fs: 90 c-e 3186 -L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626.4575 • (714) 641 -8777 t [K *M l a we g ; 9 sc o _. CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT By OAT! m No. SHEET of S SET Ga�EC.�TIEI BEN Ki, /o /f/j(; 33GG { a 6D E 3186 -L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626.4675 • (714) 641 -8777 12 Ad i (9100 o.o,77' p. ZO O.o7 , f • 201 2Y Z% A • . AUL Jr s 0.2t = Wo = /S. /7 WP .J G7 Q = . /Jt Q = ...1/4 Q / = .32 43/3 _ . 357 S = 0.0 0,80 S = 089.4 S= 0.003,s •'• s %z= .09 /�s his Hd�.F 57 / WK o x. !1= � x n s x ,',�2 / ?•7C r 99-1 _ gFj77 Qr y , o8- �.A Drop ?z2.0/ Ar , of-W-' 20.7t c S P7.77 X .o9 /GS 13.2 r .o9 /GS= J/• 2G 4 WAY E 3186 -L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626.4675 • (714) 641 -8777 C ®- CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SE CT oY DATE im No. SO Of so 0 85 Q�S LEI/!�L L /NF IVE 1% ` c - t1QEA s S 7S SF QQ1�d = 21 . 7-:1 WP s ,23. 17 NAP = SCI is of • n. oiS QsS S.7Sx 9f �7ar.�y� z2�. �� IQ 11 Q r oc = - .� l•79X 9�.oJX . S/S 7 S= /.06% • . Si= .�03 f,t }l v�•�¢ _ .1'3.�� «S Q 2S' 7 mr GajVD QYSIV 1.6 Scd LE NoQ/z . I _ so' VE4T /' ".!2 3166 -L AIRWAY AVENUE • COSTA MESA, CALIFORNIA 92626.4675 • (714) 641 -8777 COMPUTF.It METHODS IN URBAN HYDROLOGY ,; UP 92 io lu s HWIDTH CURB (6" OR E XFALL e. .0 t11 CURB / HIKE .l� • .i GUTTER ASSUMED VALUES: 6" CURB E" CURB Curb 6.0" 3.0" Gutter 1.3' 2.0' Hike 0.123' 0.167' Lip .03123' .03123' Manning's n .013 .013 I STREET FLOW MODEL GEOMETRY VARIABLE DEFINITION Fig. P7.1 I � . .r NOTE After consultation with Williamson b Schmid, the following data was put into the computer, in order to simulate the 41 Loop koAo cross sections Curb - 6.0" Crossfall - .027 Gutter - 1.5' 1 Since there is actually an 8" curb, the top of curb will not overflow until a flow depth of 0.67' is exceeded. xce • j_ 1 i - - WE.MMIIIIIIM4.11111.14 INOMOMMIMIIMIMOSSLar•O.■•■•••••■•••■••••••• • ••• • - • ' . Z . < . Z 0 C ....... , < 117: r • a-- ' 1-- CC. 0 ....J CI: ., LU • '. < 7 ! Z a 0 a_ < cc . . 0 . ..1 0 )-- /a cc 0 -J . 0 -_i >- co D H Eli= CO 0 ) • • :. •-....... 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SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS OCT.,1986 3366 1 1 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 841 -8777 TRIBUTARY AREA TO FOOTHILL DRAIN LINE D DRAINAGE AREA ACRES HIGH ELEVATION LOW ELEVATION DRAINAGE LENGTH 385 9.0 1237 1228 900' 390.1 8.4 1241 1227 900' 390.2 2.5 1226 1225.2 850' 395 3.0 1236 1227 800' 396.1 5.6 1241 1225 1200' 401.1 5.5 1266.5 1250 980' 401.2 5.4 1268 1254 930' 401.3 6.4 1272.6 1258 850' 408 6.5 1265 1245.8 1100' 408.1 5.8 1250 1241.6 900' 409 7.2 1254 1241.6 1130' 409.1 7.3 1258 1248 1000' 417.1 8.6 1258 1227.5 1520' 418 5.3 1244 1232.4 800' 418.1 4.7 1258 1244 1000' 419.1 5.5 1258 1229.1 1000' 428 4.4 1232 1220.4 800' 429 2.6 1232 1218.6 630' 430 0.4 1224 1218 300' 605 14.6 1225 1209 1000' 118.7 (TOTAL) 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 841 -8777 U-- wag g po"W".00 gmeo �- CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE JOB NO. BMW OF MASTER HYDROLOGY STUDY JOHN SIMS OCT..1986 3366 1 1 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3428 • (714) 641 -8777 TRIBUTARY AREA TO LATERAL H (LINE D) DRAINAGE AREA ACRES HIGH ELEVATION LOS ELEVATION DRAINAGE LENGTH 385 9.0 1237 1228 900' 390.1 8.4 1241 1227 900' 390.2 2.5 1226 1225.5 850' 395 3.0 1236 1227 800' 396.1 5.6 1241 1225 1200' 28.5 TOTAL 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3428 • (714) 641 -8777 IE _. CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUIUECT By DATE ws NO. 8HM OF UARTF.R RYDROLOr.V STUDY JOHN SIPS 9/26/96 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LATERAL H ( LINE D) * Q 10 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (71.4) 641 -6777 E sass xsssssxsxssssxass» sssssss» aa= s» sasasrssasssrasssrsassssssssrasrssx »xx= RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL sass= aarsxsxsxss» ssssa» s= aaasssass» sasssrsasasrsssasxsssssssxssss »s =sssssrss <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<(<>>))>>> ))) > >) >)) > > >)>)> > > > >)) >))) > > >)) (C) Copyright 1982 Advanced Engineering Software CAES3 Especially prepared fors HALL & FOREMAN, INC. <<<<<<<<<<<<<<<<<<<<<<<(<<<<<<<<<<<<(<))>>>)> > > >) >) > >) > > >) >) > > > > > > > > > >)) >))> ** * * * * * ** *DESCRIPTION OF * FOOTHILL DR44IN HYDROLOGY LATERAL H (LINE D) * Ole FROM NODE 3S5 TO NODE 397 _ * JOHN SI MS 10/11/86 9 :00 A.M. J.N. 3366 ---------------------------------------------------------------------- - - - - -- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) = 10.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 16.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10-YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 10.00 1 -HOUR INTENSITY(INCH /HOUR) _ .9698 SLOPE OF INTENSITY DURATION CURVE _ .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED <<<<<<<<<<<<<<<<<<<<<<<<<(<<<<<<<<<<<<>)>)>>> > >))) > >))) > > > > > > > > >))) > >) > >) > >) Advanced Engineering Software EAES7 SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 385.00 TO NODE 385.10 IS CODE 2 ---------------------------------------------------------------------------- ) >) ))RATIONAL METHOD INITIAL SUBAREA ANALYSIS( < <(( r; s» xsasxsss» ssssssssa» ssssssasssssssss:r rsrrsss »sszsassassssssxsssxssssss ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 900.00 UPSTREAM ELEVATION = 1237.00 DOWNSTREAM ELEVATION = 128.00 ELEVATION DIFFERENCE = 9.00 TC = . 393 *1 ( 900. 00 * *3) / ( 9.00) ] * *. 2 = 14.985 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.275 SOIL CLASSIFICATION IS "A" rn. w.n+ r r^%A V • %' j. • ... ^^ mrr f n'+'. e» +.+nrr- rnrr^r -+ r"r n :r t 414taLC -t "Pi S L t % t! '# "L.rtc `u s i rev+vur r I.ucr r a A, s c+v I- i t AM SUBAREA RUNOFF(CFS) = 14.58 TOTAL AREA(ACRES) 9.00 TOTAL RUNOFF(CFS) 14.58 ® FLOW PROCESS FROM NODE 385_ -- 10 TO NODE 385_00 IS CODE = 3 - )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA < <((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( ssassrssrs: s= ssr= s= asssxssasxsssaasssxs::= sas: sa =sassassssssssssxssssassssssax DEPTH OF FLOW IN 21.0 INCH PIPE IS 14.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 8.3 UPSTREAM NODE ELEVATION - 1228.00 DOWNSTREAM NODE ELEVATION - 1226.00 FLOWLENGTH(FEET) - 150.00 MANNINGS N .013 ESTIMATED PIPE DIAMETER(INCH) - 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.56 TRAVEL TIME(MIN. ) = .30 TC(MIN. ) 15.29 FLOW PROCESS FROM NODE 385.00 TO NODE 390.00 IS CODE 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESI ?E (NON - PRESSURE FLOW)((((( ss: sscaxx= asaacsaxasaas =sassaxsassssax=sssss arse :a= = :xmms=srsxsxssssssasassssa DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 4.7 UPSTREAM NODE ELEVATION - 1226.00 DOWNSTREAM NODE ELEVATION - 1225.20 FLOWLENGTH(FEET) = 270.00 MANNINGS N = .013 ® ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.58 TRAVEL TIME(MIN.) _ .96 TC(MIN.) = 16.25 FLOW PROCESS FROM NODE 390.00 TO NODE 390.00 IS CODE 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( cssa sx:ss sea= axxsaasasxxsasxaxs= xsaaas=: asss xsssxxxxssssssssssssass sssssssas CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) 16.25 RAINFALL INTENSITY (INCH. /HOUR) _ Z.17 TOTAL STREAM AREA (ACRES) = 9.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 14.58 FLOW PROCESS FROM NODE 390.10 TO NODE 390.20 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( = x s c xsasssxaxaxxaassssxxssssssxrsssasssssssassxssssassssxsxsassssxs =as=xxxsc ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1 /4 ACRE) TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW- LENGTH - 900.00 UPSTREAM ELEVATION = 1241.00 DOWNSTREAM ELEVATION = 1227.00 ELEVATION DIFFERENCE = 14.00 TC = . 393 *E ( 92+0. 00 * *3) / t 14.00) 7 * *. 2 = 1:3.717 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.399 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7189 SUBAREA RUNOFF(CFS) 14.49 .v •r1- A.1f..r11r.V.��V• �' J. _s . - • rvr .,V. w. . .y. ...I - ♦ '7 FLOW PROCESS FROM NODE 390.20 TO NODE 390.30 IS CODE 3 ---------------------------------------------------------------------------- > >> ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(( (<< >> )))USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( aasaessasasasassassasassxsssssasxsssssa: sssssssaasssxsssass sssssssassssaassas DEPTH OF FLOW IN 18.0 INCH PIPE IS 14. INCHES PIPEFLOW VELOCITY (FEET /SEC.) - 9.7 UPSTREAM NODE ELEVATION - 1227.00 DOWNSTREAM NODE ELEVATION - 1225.50 FLOWLENGTH(FEET) - 70.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.49 TRAVEL TIME (MIN. ) _ .12 TC (MIN. ) = 13.84 FLOW PROCESS FROM NODE 390.28 TO NODE 390.30 IS CODE 8 ---------------------------------------------------------------------------- > > > > >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW( (((( = -. s sasassssxzssssssasasssasssssszssxssmsasasssassos =s »;zzssssszzs = 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.387 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7182 SUBAREA AREA(ACRES) 2.50 SUBAREA RUNOFF(CFS) = 4.29 TOTAL AREA(ACRES) = 10.90 TOTAL RUNOFF(CFS) = 18.77 TC (MIN) = 13.64 FLOW PROCESS FROM NODE 390.30 TO NODE 390.00 IS CODE _ -- ---- - - - - -- 3 -- ----------------------------------------------------------- ) > > >> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( > > >) )USING COMPUTER- ESTIMATED PIPESIZE INON- PRESSURE FLOW)((((( sxsassssxxs= ar» ssxsaxssssssssssaasssaasssssasssssass »ssasxzaaessssssxssx == DEPTH OF FLOW IN 24.0 INCH PIPE IS 19.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.9 UPSTREAM NODE ELEVATION - 1225.50 DOWNSTREAM NODE ELEVATION = 1225.20 FLOWLENGTH(FEET) = 40.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 24.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) 18.77 TRAVEL TIME(MIN. ) = .10 TC(MiN. ) = 13.93 FLOW PROCESS FROM NODE 390.00 TO NODE 390.00 IS CODE 1 > >> ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < <(( ) )> >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES(((<< = assax ssaaatsxaassassxsaxassmsssasasxsssaxsssmsssas =asse =ssssssassssssr.. - = � CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) a 13.93 RAINFALL INTENSITY ( I NCH. / HOUR) = 2.3s TOTAL STREAM AREA (ACRES) a 10.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 16.77 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUM BER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 14.58 16.25 2.167 2 16.77 1 2.377 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 31.70 31.27 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNDFF<CFS) - 31.70 TIME(MINUTES) = 16.251 TOTAL AREA (ACRES) 19.90 FLOW PROCESS FROM NODE 390.00 TO NODE 396.00 IS CODE 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( ssasaeasa =s seers= rarsasssaasxsss =ss sees assess ass ssrsssxsrssssxsssrssasrssrsr =ss DEPTH OF FLOW IN 39.0 INCH PIPE IS 26.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 5.2 UPSTREAM NODE ELEVATION - 1225.20 DOWNSTREAM NODE ELEVATION = 1224.00 FLOWLENGTH(FEET) = 520.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 31.70 TRAVEL TIME (MIN. ) = 1.67 TC(MIN. ) 17.92 FLOW PROCESS FROM NODE 396.00 TO NODE "396.00 IS CODE 1 ---------------------------------------------------------------------------- >>)> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE( < < <( srrsasa=== xsxs= asxssrsssassssssrssssxssears: asrasesssssasssss =rxssaxssssssssrsc CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) - 17.92 RAINFALL INTENSITY (INCH. /HOUR) - 2.04 TOTAL STREAM AREA (ACRES) - 19.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 31.70 FLOW PROCESS FROM NODE 395.00 TO NODE 395.00 IS CODE 2 ---------------------------------------------------------------------------- ))) >)RATIONAL METHOD INITIAL SUBAREA ANALYSIS < < < << = srxss= rs= sxoxxsxssxsasrsssasrrssrsr= sssssssssassrassssssssrrs ==sassssasxssa ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K* E (LENGTH+E*3) / (ELEVATION CHANGE) 3 **. 2 INITIAL SUBAREA FLOW- LENGTH = 800.00 UPSTREAM ELEVATION = 1236.00 DOWNSTREAM E_EVATION = 1227.00 ELEVATION DIFFERENCE = 9.00 TC = . 393* r ( 800.00**3) / ( 9.00) 3 **. 2 = 13.962 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.374 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - . 7175 SUBAREA RUNOFF(CFS) _ 5.11 TOTAL AREA(ACRES) = 3.00 TOTAL RUNOFF(CFS) = 5.11 FLOW PROCESS FROM NODE 395.00 TO NODE 396.20 IS CODE = 3 ---------------------------------------------------------------------- - - - - -- > > >) )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA( < (<( ) >) >)USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( =s=ssssssrss=ssasssss=s=ssssssss=arssassxs=ar=ssrsssasssrs=as=srsssssss=s==.-- ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 16.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.7 INCHES W! P=r L UW V ="UL, t i f t r == I/ btL.. ! = Co. at UPSTREAM NODE ELEVATIDN 1227.00 DOWNSTREAM NODE ELEVATION = 1225.00 FLOWLENGTH ( FEET ) = i260.00 MANN I NGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF FIDES = 1 PIPEFLOW THRU SUBAREA(CFS) = 5.11 TRAVEL TIME(MIN.) = .83 TC(MIN.) 14.79 FLOW PROCESS FROM NODE 396.10 TO NODE 396.20 IS CODE 8 ---------------------------------------------------------------------------- ) ))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<((( sa=ss :sxsssxs :ssssaxx azsxas= sassaasss :ssaxsxra =sssasxsassassx xxxxax =somas =xac =xx. 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.293 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7129 SUBAREA AREA(ACRES) 5.60 SUBAREA RUNOFF(CFS) - 9.16 TOTAL AREA(ACRES) = 6.60 TOTAL RUNOFF(CFS) 14.27 TC (MIN) - 14.79 �EiE�E�r iE� x- �������������� �iE�F�E�E�E�F�E* i��F+ E�FIF�EiE�E +F�E�E,1F�EiEiF *�E�EiEiF IF+IE �F�F�E* �F�E�E *�EiF *+E+E�E �EiFiF+EiF�E IE�F IE FLOW PROCESS FROM NODE 396.20 TO NODE 396.00 IS CODE 3 ---------------------------------------------------------------------------- ) >)))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) >)))USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)( <<(< = aaasassaaaxss===== ssxxasasxsxsasxssas =�ss�s = =ss =sssaxs =xsaxsx =s =cscx DEPTH OF FLOW IN 21.0 INCH PIPE IS 14.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 8.0 UPSTREAM NODE ELEVATION = 12:5.00 DOWNSTREAM NODE ELEVATION = 1224.00 FLOWLENGTH(FEET) = 80.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 21.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) 14.27 TRAVEL TIME(MIN.) = .17 TC(MIN.) = 14.95 FLOW PROCESS FROM NODE 396.00 TO NODE 396.00 IS CODE a 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < << )))))AND COMPUTE VARIOUS CDNFLUENCED STREAM VALUES( < < << ass== ssssassaass = =a =ssaxasa =aaxxaxs = = =ssaacssas =a=ssn =aaassaxxasxxss� =ss =sc CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) 14.95 RAINFALL INTENSITY (INCH. /HOUR) = 2.26 TOTAL STREAM AREA (ACRES) = 8.60 TO ST RUNDFF(CFS) AT CONFLUENCE = 14.27 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ------------------------------------------------------------------------ 1 31.70 17.92 2.044 2 14.27 14.95 2.278 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 44.49 40.7 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 44.49 TIME(MINUTES) 17. 916 TOTAL AREA(ACRES) = 28.50 RRRRRRRRRRRRRRRRRRRR RR R RRRRRRRRRRRRRRRRRRR RRRRRRR RRRRRR RRRRR RR RRRRRRRRRRR R RIr FLOW PROCESS FROM NODE 396.00 TO NODE 397.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA( < <(( >>))) USING COMPUTER— ESTIMATED PIPESIZE (NON— PRESSURE FLOW)((((( :: taws: srrrssarrr srasr= rsaaaaarrr= rr= erasers zrsssssaaaasrasssrasaraa =raasrr=rs_ DEATH OF FLOW IN 27.0 INCH PIPE IS 21.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.3 UPSTREAM NODE ELEVATION = 1224.00 DOWNSTREAM NODE ELEVATION 1217.80 FLOWLENGTH(FEET) = 260.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) r 27. 00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 44.49 TRAVEL TIME(MIN.) _ .32 TC(MIN.) 18.24 FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE = 1 ---------------------------------------------------------------------------- )>)))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(((( >) )>)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( r= a= r= rrrr= rrarrrarraa= =rrmstrsrrc=rr =rszsrrrrmrrrrar =sassy =ssrraraarrarrrrrrc_ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTRATION(MINUTES) = 18.24 RAINFALL INTENSITY (INCH. /HOUR) = 2.02 TOTAL STREAM AREA (ACRES) = 28.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 44.49 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 44.49 18.2 4 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 44.49 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 44.49 TIME(MINUTES) = 18.243 TOTAL AREA(ACRES) 28.50 rarrars= rmrms: r=aarssrrsscrr == =s =rrar r s ars tsrrsass =assmzsrs =artsasrra =rarsa r=srr =a END OF RATIONAL METHOD ANALYSIS v C7 w4e l er po"W".0,0 99co CIVIL ENGINEERING LAND PLANNING • LAND SURVEYING sueffCT By DATE J06 NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS 9/26/86 3366 1 1 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LATERAL H (LINE D) * @ 25 *REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641.8777 • ssasasxsssssxxxxxsssxasssssrasxaarrsss sssssxsxsssss :assssssssss := saxsssssxxs. -- RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL : sasssaasasaassssssssxsasssssasassss: seas =ss :aasssssssassasmmsss= ssrxssss :sass (C) Copyright 1981 Advanced Engineering Software CAES7 Especially prepared fare HALL & FOREMAN, INC. ((<<<<<(<<<<<<<<<<((<( <<<<<(<<<<{((<(<))>>>)) ))))))) >) >)) > >) >)) >)) >)) > > >) > >> * * * * * * * ** *DESCRIPTION OF * FOOTHILL DRAIN HYDROLOGY LATERAL H (LINE 8) +� * X-5 FROM NODE 385 TO NODE 397 * JOHN SI MS 10/11/as 9 : eei A. M. J.N. 3366 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ---------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATIONS ---------------------------------------------------------------------------- USER SPECIFIED STDRM EVENT(YEAR) 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) a 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 102 -YEAR STORM 60- MINUTE INTENSITY(INCH /HDUR) 2.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HDUR INTENSITY(INCH /HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE _ .6000 BBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software SAES] SERIAL No. A05SOP REV. 3.1 RELEASE DATE: 5/01/65 <((<<(<<<((<<<(<<<<<<(<{<<<<<<<[<<<<(() >>)>>) >) > >) >))) >) > > >) >)))) >) >)) >) >) >) ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 385.02 TO NODE 385.10 IS CODE a ---------------------------------------------------------------------------- >) >> )RATIONAL METHOD INITIAL SUBAREA ANALYSIS<< <(( = r== sx===== as= smxxxx= x==== s=== mc= x= x== rsssxxxssasrxx= sxxxrrr== rs== == =s= = = = ==s �® ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1 /4 ACRE) TC = K *- * *3) /(ELEVATION CHANGE)) * *.E INITIAL SUBAREA FLDW- LENGTH = 900.00 UPSTREAM ELEVATION = 1237.00 DOWNSTREAM ELEVATION = 1226.00 ELEVATION DIFt=ERENCE = 9.00 TC = .393 *1 ( 900.00 * *3) / ( 9.00) 7 * *. 2 14.965 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = E.648 SOIL.CLASSaFICATION IS "A" SINGLE- FAMILY(1 / 4 ACRE LOT) RUNOFF COEFFICIENT - .731: SUBAREA RUNOFF(CFS) = 17.43 TOTAL AREA(ACRES) - 9.00 TOTAL RUNOFF(CFS) = 17.43 FLOW PROCESS FROM NODE 385.10 TO NODE 385.00 IS CODE 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<((< )) > >)USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( a: sassssass aasssasasss ssaassasssssssassasssassas :asss : :s :sassssxssssasas :rra DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.S INCHES PIPEFLOW VELOCITY(FEET / SEC.) - 8.5 UPSTREAM NODE ELEVATION - 122S.00 DOWNSTREAM NODE ELEVATION - 1226.00 FLOWLENGTH(FEET) = 150.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 21.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 17.43 TRAVEL TIME(MIN. ) = .30 TC(MIN. ) = 15.28 FLOW PROCESS FROM NODE 385.00 TO NODE 390.00 IS CODE = 3 ---------------------------------------------------------------------------- >))> )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((( (< ))) > >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( = sas=- sa= a- s.aeaxcssssraaaa sax= asa= sasaaarassasxss =aasassxxxr== xxsssss :ssxs »» DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 4.9 UPSTREAM NODE ELEVATION = 1226.00 DOWNSTREAM NODE ELEVATION - 1225.20 FLOWLENGTH(FEET) = 270.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = i PIPEFLOW THRU SUBAREA(CFS) = 17.43 TRAVEL TIME (MIN. ) = .91 TC (MIN. ) = 16.19 FLOW PROCESS FROM NODE 390.00 TO NODE 390.00 IS CODE 1 ---------------------------------------------------------------------------- ))) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <(<<< saseasassxssasmmxssssssasxsssxaxs: xs: sxssaaaxsaxxs :xssssssssxasxasxssssssssxxc CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) 16.19 RAINFALL INTENSITY (INCH. /HOUR) = 2.53 TOTAL STREAM AREA (ACRES) = 9.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 17.43 FLOW PROCESS FROM NODE 390.10 TO NODE 390.0 IS CODE 2 ---------------------------------------------------------------------------- >))> )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( = o== ssssssrsasxssxssrrrssssaxs= srrassassssarxssassss =xxasssssssssssssasaasxs= ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1 /4 ACRE) TC = K *t(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW- LENGTH = 900.00 "PSTRERAI ELEVATION = 1241.00 DOWNSTREAM ELEVATION = 1227.00 ELEVATION DIFFERENCE = 14.00 TC = .393*[( 900.00* *3) / ( 14.00) 3 **. 2 = 13.717 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.792 SOIL CLASSIFICATION IS "A" blNtiLt- I-f4MlLY (1/4 WLNL LUI ) KUNUFf 1.UU1= f 1Ull-_1Vf - .14t4 SUBAREA RUNOFF(CFS) = 17.30 TOTAL AREA(ACRES) 6.40 TOTAL RUNOFF(CFS) ! 17.30 ® FLOW PROCESS FROM NODE 3921.20 TO NODE 390.30 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(( m )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( seal= xssaassssssssssssssssssrssaraa = asse= sasassssssaa :sassssaaa= assess :ssr -ss DEPTH OF FLOW IN 21. INCH PIPE IS 13.S INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.4 UPSTREAM NODE ELEVATION = 1227.00 DOWNSTREAM NODE ELEVATION = 1225.50 FLOWLENGTH(FEET) = 70.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 17.30 TRAVEL TIME (MIN. ) = . 1 1 TC (MIN. ) = 13.S3 FLOW PROCESS FROM NODE 390.221 TO NODE 390.30 IS CODE = 6 ---------------------------------------------------------------------------- >) >))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( axis assess= assssssasssxssxxassxssxxaasxaxxss= eras= sasxsss=xxrsssaacxsssxxxss= 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.779 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7368 SUBAREA AREA(ACRES) = 2.50 SUBAREA RUNOFF(CFS) = 5.12 TOTAL AREA(ACRES) = 10.90 TOTAL RUNOFF(CFS) 22.42 TC (MIN) = 13.83 FLOW PROCESS FROM NODE 390.30 TO NODE 390.00 IS CODE = 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE INON- PRESSURE FLOW)((((( a= ssssssss�xx =xxaaasssssraasasssslsl sassl sssl assrssss !!= !!lassass :s :sssssss�as DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.4 UPSTREAM NODE ELEVATION = 1225.50 DOWNSTREAM NODE ELEVATION = 1225.20 F= OWLENGTH(FEET) = 40.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUPAREA(CFS) = 22.42 TRAVEL TIME(MIN. ) = .09 TC(MIN. ) = 13.92 FLOW PROCESS FROM NODE 390.00 TO !NODE 390.00 IS CODE = i ---------------------------------------------------------------------------- ))) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( acsas= xass :: ass= ss= sxas= a== xsaxxxrsssssrassasaaxsssaaasssssaasalsaaxs= lsr=sas CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) - 13.92 RAINFALL INTENSITY (INCH. /HOUR) = 2.77 T O T A_ STREAM AREA (ACRES) = 10.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 22.42 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CPS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------- - - - - -- 1 I lb. iv :.*ieb 2 22.42 13.92 2.768 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 37.90 37.40 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 37.90 TIME(MINUTES) 16.194 TOTAL AREA (ACRES) - 19.90 FLOW PROCESS FROM NODE 390.00 TO NODE 396.00 IS CODE 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )) )))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( lmscr. -•as =r sr= SSSLlrSSSL'CaS =SSTS l SSSS' i!l fil S =SSS!!=lS7CS! =liSSS!!t'=LSSa =! CSl= i�rr'LC. - � DEPTH OF FLOW IN 39.0 INCH PIPE IS 31.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.3 UPSTREAM NODE ELEVATION = 1225.20 DOWNSTREAM NODE ELEVATION - 1224.00 FLOWLENGTH(FEET) = 520.00 MANNINGS ESTIMATED PIPE DIAMETER( INCH) = 39.00 PIPEFLOW THRU SUBAREA(CFS) = 37.90 TRAVEL TIME (MIN. ) = 1.63 TC(MIN. ) N = .013 NUMBER OF PIPES = = 17. 83 �i•*. �����aF��a�• ��• �t• �* �• ��ic• �c•a c• ��+ E+ �����* �t• �t�tat��: t*• �t•*• �������t��• ���t •�a�c•���� *�����*•����•����•� FLOW PROCESS FROM NODE 396.00 TO NODE 396.00 IS CODE = 1 ---------------------------------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < <(< = a ssssrar «szsrse areal= s= sl ral sszsss: zrazs= zzzzzscsxz lszzasslas=zzszrasasss =x=rr CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIMEE OF CONCENTRATION(MINUTES) = 17.63 RAINFALL INTENSITY (INCH. /HOUR) _ 2.39 TOTAL STREA AREA (ACRES) = 19.90 TOTAL. STREAM RUNOFF(CFS) AT CONFLUENCE - 37.90 FLOW PROCESS FROM NODE 395.00 TO NODE 395.00 IS CODE _ 2 ---------------------------------------------------------------------- - - - - -- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS<(( <( sr = a�x= r« xrs= rrx= ra= rr.- xrr= rzzrrzzsassz= sassrsrss =saa «a «c :ac « «rrsc ««sszaocm= ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *t(LENGTH**3) /(ELEVATION CHANGE)3**.2 IfU =TIAL. SUBAREA FLOW- LENGTH = 800.00 UPSTREAM ELEVATION = 1236.00 DOWNSTREAM ELEVATION = 1227.00 ELEVATION DIFFERENCE = 9.00 TC = . 393*1 ( 800. 00**3) / ( 9.00) 3**. 2 = 13. 962 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 2.763 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7362 SUBAREA RUNOFF(CFS) = 6.10 TOTAL AREP(ACRES) = 3.00 TOTAL RUNOFF(CFS) = 6.10 �011 FLOW PROCESS FROM NODE 395.00 TO NODE 396.20 IS CODE = 3 ---------------------------------------------------------------------- - - - - -- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( az= sszsx.- sr= ass=. ss= z= sx==l sx= xszzz= c= zrrx= xsszx= slaz=== lal= zsx= zl=z:xr= sr =rx =a= DEPTH OF FLOW IN 16.0 INCH PIFEE IS 10.9 INCHES PIfiEFLOW VELOCITY (FEET /SEC. ) = 5.5 UPSTREAM NODE ELEVATION - 1227.00 DOWNSTREAM NODE ELEVATION - 1225.00 FLOWLENGTHtFEET) = 260.00 MANNINGS N .013 ESTIMATED L'IF'E DIAMETER(INCH) 18.00 NUMBER OF F'IF'ES 1 PIPEFLOW THRU SUBAREA(CFS) = 6.10 TRAVEL TIME(MIN.) = .79 TC(MIN.) 14.76 FLOW PROCESS FROM NODE 396.10 TO NODE 396.20 IS CODE 8 ---------------------------------------------------------------------------- M ))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( a --- rs ssssss�s= r= rrrsasssssssassr: asxa= ssassme :rssrrsrs:srsssssrs :aassssss=.- 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.673 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7323 SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOFF(CFS) - 10.96 TOTAL AREA(ACRES) = 8.60 TOTAL RUNOFF(CFS) = 17.06 TC(MIN) = 14.76 �e�f•iEi� �F�r aEiF *�f• �iF iF��FiE�E�EiE�Fif•ieif• �� *� *� iF��e• iE�iE *�E �E�FiEIFiE•�EiEi4�E�F iP�FIE�E�E�E 1E�FiEiE•�E�E�F �FiE•iE•�E �F�F itiE iEiE•�F� i�,k FLOW PROCESS FROM NODE 396.0 TO NODE 396.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMfiUTE GIPEFLOW TRAVELTIME THRU SUBAREA <(( << )))))USING; COMPUTER - ESTIMATED PIFEESIZE (NON- PRESSURE FLOW)((((( rsasnrsrsassrrrssrrsssasaaas= arraasararrsrs: ssrasarsa saa :ssrsrrssassasassas=s DEPTH OF FLOW IN 21.0 INCH PIPE IS 17.0 INCHES PI PEFLOW VELOCITY(FEET /SEC.) = 8.2 UPSTREAM NODE ELEVATION = 1225.00 DOWNSTREAM NODE ELEVATION - 1224.00 FLOWLENGTH(FEET) = 80.00 MANNINGS N .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF F'IF'ES 1 PIPEFLOW THRU SUBAREA(CFS) = 17.06 TRAVEL TIME(MIN.) = .16 TC(MIN.) = 14.92 FLOW PROCESS FROM NODE 396.00 TO NODE 396.00 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( sssras= ssas srssrass= rsrs== srss= s= ras= sxssssass =ssrarssxssammsssrsrrssssasass == CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.92 RAINFALL INTENSITY (INCH. /HOUR) 2.66 TOTAL STREAM AREA (ACRES) = 6.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 17.06 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ------------------------------------------------------------------------ 1 37.90 17.83 2.386 2 17.06 14.92 2.655 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULAtSBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 53. 46.78 CO CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 53.23 TIME(MINUTES) 17.625 TOTAL AREA(ACRES) = 28.50 FLOW PROCESS FROM NODE 396.00 TO NODE 397.00 IS CODE = 3 -------------------------------------------- -------------------------- - - - - -- �01 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))) )USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( =W.-== s==s rssasss= seas xss aas= as mcamsaaa= aa=s ssasssaaaassrs = =sssssr=sssaasasmsaa DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.1 UPSTREAM NODE ELEVATION = 1'24.00 DOWNSTREAM NODE ELEVATION - '1217.80 FLOWLENGTH(FEET) - 260.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 30.00 PIPEFLOW THRU SUBAREA (CFS) s 53. TRAVEL TIME(MIN.) _ .31 TC(MIN.) N s .013 NUMBER OF PIPES = = 18. 13 FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE = 1 ---------------------------------------------------------------------------- ) >))) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ) > > > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( s= assn= rxassssassaxxssas =ssssssa sass= sassssssssssasasaaasaasaaassaasa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.13 RAINFALL INTENSITY (INCH. /HOUR) 8.35 TOTAL STREAM AREA (ACRES) - 28.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 53. CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) IINCH /HOUR) 1 53.23 18.13 2.362 RAINFALL INTENSI {TY AND TIME OF CONCENTRATION RATIO FORMULA(S8C) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 53.23 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CPS) - 53.23 TIME(MINUTES) = 18.132 TOTAL AREA (ACRES) = 28.50 aassa aaaaacsss= axs- axas= sssaassasssssssaasssssmsa =sssssassa = =sss =ssaax= END OF RATIONAL METHOD ANALYSIS H wag g po"w4oep pmet CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING summer SY w �Oe No. OHM OF MASTER HYDROLOGY STUDY JOHN SIMS 86 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LATERAL H (LINE D) * Q 100 *REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 9282&3428 • (714) 841 -8777 ® txarasxssassssosssxmssssa =sassmmmsamamssx =ass =mmaassammm =xc RATI'DNAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (BBC) 1983 HYDROLOGY MANUAL r: x: assma: �emmsma sxsxx= saaxas= sxassssssass sasses :mssasxsssss=ssssss :aa =sasas= (C) Copyright 1982 Advanced Engineering Software SAES] Especially prepared fors HALL & FOREMAN, INC. **********DESCRIPTION OF FOOTHILL DRAIN HYDROLOGY LATERAL H {LINE B) +� 0100 FROM NODE 385 TO NODE 397 +� e JOHN SI MS 10/11/as 9:20 A.M. J. N. 3366 +� ---------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------------------------------------------------------------- ® USER SPECIFIED STORM EVENT(YEAR) 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATAs STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HDUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE - .6000 BBC HYDROLOGY MANUAL "C "- VALUES USED <(<<<<<<<<<<<(<<<<(<<<<<({({<(<<<<{(<<>)))>)> >)))))))))) > >))) >) > > >))) > >))) >) Advanced Engineerina Software SAES] SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 FLOW PROCESS FROM NODE 385.00 TO NODE 385.10 IS CODE ---------------------------------------------------------------------------- )>)))RATIONAL METHOD INITIAL SUBAREA ANALYSIS < < <(( =xsssxsssxaaassasasa = =xass same= amssaxmss= sasmmssssssxssssmasassxmsxxassasssa ® ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K* L ( LENGTH+ *3) / (ELEVATION CHANGE) 3 **. 2 INITIAL SUBAREA FLOW - LENGTH = 900.00 UPSTREAM ELEVATION - 1 237.00 DOWNSTREAM ELEVATION = 1226.00 ELEVATION DIFFERENCE = 9.00 TC . 393 *1 ( 900. 00**3) / ( 9.00) 3**. 2 1.4.9S5 tWO. WiLl TC.FIM RHA#MrfiLL 4641GtV =t 1 T %A 4 1 J/7 SOIL CLASSIFICATION IS ' +A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7569 SUBAREA RUNOFF(CFS) = 23.0 TOTAL AREA (ACRES) = 9.00 TOTAL RUNOFF (CFS) = 23.02 FLOW PROCESS FROM NODE 385.10 TO NODE 385.00 IS CODE 3 ---------------------------------------------------------------------------- )))) )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <((<< )))))USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( ss: ass: sssssssassrs srrasssrrsssrsrsarzsssasasrs =asasssarr=rssssssasrss =ss ==c DEPTH OF FLOW IN 54.0 INCH PIPE IS 17.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) a 9.2 UPSTREAM NODE ELEVATION - 1228.00 DOWNSTREAM NODE ELEVATION - 1226.00 FLOWLENGTH(FEET) = 150.00 MANNINGS ESTIMATED PIPE DIAMETER (INCH) - 24.00 PIPEFLOW THRU SUBAREA(CFS) = 23.02 TRAVEL TIME(MIN.) = .27 TC(MIN.) NUMBER OF PIPES = = 15.2 IE iE�F�F *iF�FiE � iE �EIE *�E►FIF �E �FiF iF iE �F CIF �E �E �E iF * CIE �F ►!�E* CIF dE �E � �E CIF iE sir * �F �E �E �! CIF �F �E �E1( �4 d( �E CIE �F d►lE �E CIE iF aE iE � �E �F iE � iF iF * �F iF * ► ai FLOW PROCESS FROM NODE 385.00 TO NODE 390.00 IS CODE 3 ---------------------------------------------------------------------- - - - - -- > >)) )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(( < <( )> )) )USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 5.3 UPSTREAM NODE ELEVATION = 1226.00 DOWNSTREAM NODE ELEVATION - 1225.20 FLOWLENGTH(FEET) = 270.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 23.02 TRAVEL TIME(MIN.) = .65 TC(MIN.) = 16.11 FLOW PROCESS FROM NODE 390.00 TO NODE 390.00 IS CODE = 1 > > > >)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < <<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.11 RAINFALL INTENSITY (INCH. /HOUR) 3.24 TOTAL STREAM AREA (ACRES) = 9.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE _ 23.02 FLOW PROCESS FROM NODE 390.10 TO NODE 390..=_'0 IS CODE 2 ))) ))RATIONAL METHOD INITIAL SUBAREA ANALYSIS(( < << ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW-LENGTH = 900.0c. 0Q: UPSTREAM ELEVATION = 1241.00 DOWNSTREAM ELEVATION = 1227.00 ELEVATION DIFFERENCE = 14.00 TC = . 393* 1 ( 900. 00 * *3) / ( 14.00) 3 * *. 2 = 1:3.717 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.563 SOIL CLASSIFICATION IS "A" ..� �..... - , . ... nr%r%f' . n'r % n+ +w+�rrr- ^ rtir`r•r- T 1� T 1'O1 Yr �7r 4 51tVtDLC r}4ShLA_ T %L /'1 r+t.r+c J_Lji i muivvrr {rVCrr LC401 +- , !OL f SUBAREA RUNOFF(CFS) _ 22.80 TOTAL AREA(ACRES) = 6.40 TOTAL RUNOFF(CFS) = 22.80 FLOW PROCESS FROM NODE 390.20 TO NODE 390.30 IS CODE 3 -------------------- -------------------------------------------------------- PIPEFLOW TRAVELTIME THRU SUBAREA(( (<< )) >) )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( asseaaass= sasses =asscsaasssaaaasaz sass:: ssamssaza saaaaasssazas= ssaaassassazss =mac DEPTH OF FLOW IN 24.0 INCH PIPE IS 14.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.1 UPSTREAM NODE ELEVATION - 1227.00 DOWNSTREAM NODE ELEVATION - 1225.50 FLOWLENGTH(FEET) = 70.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 24.00 NUMBER OF PIPES = i PIPEFLOW THRU SUBAREA(CFS) 22.b0 TRAVEL TIME(MIN.) = .10 TC(MIN.) 13.62 FLOW PROCESS FROM NODE 390.20 TO NODE 390.30 IS CODE 8 ---------------------------------------------------------------------------- )) >) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< << << = sacs =s= sasasass =zassssssassassssm= sass= szssssaasasasssassassssas =aass�ssss =» 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 3.547 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7613 SUBAREA AREA(ACRES) = 2.50 SUBAREA RUNOFF(CFS) - 6.75 TOTAL AREA(ACRES) 10.90 TOTAL RUNOFF(CFS) 29.55 TC(MIN) = 13.62 x FLOW PROCESS FROM NODE 390.30 TO NODE 390.00 IS CODE 3 ---------------------------------------------------------------------------- ) >) >) COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA < < <(< )>) ))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.9 UPSTREAM NODE ELEVATION - 1::25.50 DOWNSTREAM NODE ELEVATION 1225.2,0 FLOWLENGTH(FEET) = 40.00+ MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 29.55 TRAVEL TIME(MIN.) = .06 TC(MIN.) = 13.91 FLOW PROCESS FROM NODE 390.00 TO NODE 390.00 IS CODE 1 ---------------------------------------------------------------------------- > >)) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE( < < << > )) >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( sssasssasssazs= aasssaaassssss: aasssssarsaaaaaaazsssssssaas =aaasssaaasassars.- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.91 RAINFALL INTENSITY (INCH. /HOUR) = 3.53 TOTAL STREAM AREA (ACRES) = 10.90 TOTAL STREAM, RUNOFF(CFS) AT CONFLUENCE _ 29.55 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) i vv. t•` aV. ♦ ♦ J. `J�• 2 ?9.55 13.92 3.534 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 50.07 49.42 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) - 50.07 TIME(MINUTES) = 16.111 TOTAL AREA(ACRES) = 19.90 FLOW PROCESS FROM NODE 390.00 TO NODE 396.00 IS CODE a 3 ---------------------------------------------------------------------------- )>>>)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <((<( )))> )USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)<<< <( aa sasasssaasr =as< seas= saa= sae= ma= rsasaarrasaas= a :saasaraaaasasaaasaarsa=a ==s= DEPTH OF FLOW IN 45.0 INCH PIPE IS 32.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.> - 5.6 UPSTREAM NODE ELEVATION = 1225.20 DOWNSTREAM NODE ELEVATION - 1224.00 FLOWLENGTH(FEET) = 520.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) 45.00 NUMBER OF PIPES 1 PIP•EFLOW THRU SUBAREA(CFS) = 50.07 TRAVEL TIME(MIN. ) = 1.50 TC(MIN. ) = 17.61 FLOW PROCESS FROM NODE 396.00+ TO NODE 396.00 IS CODE i ---------------------------------------------------------------------------- )) >) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( sa a= smrsl s= sa= ssm: rssas= assaasssa= as= seas=== ss: sa= ass=asssa= rsss=rs s= = =sss= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.61 RAINFALL INTENSITY (INCH. /HOUR) = 3.07 TOTA:. STREAM AREA ( ACRES) = 19.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 50.07 FLOW PROCESS FROM NODE 395.00 TO NODE 395.00 IS CODE _ 2 ---------------------------------------------------------------------------- ) ))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS < < < (< ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW- LENGTH = 600.00 UPSTREAM ELEVATION = 1236.00 DOWNSTREAM ELEVATION = 1227.00 ELEVATION DIFFERENCE = 9.00 TC = . 393* E ( 600.00 * *3) / ( 9.00) 3 * *. 2 = 13.962 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.526 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7608 SUBAREA RUNOFF(CFS) = 6.05 TOTAL AREA(ACRES) = 3.00 TOTAL RUNOFF(CFS) 6.05 FLOW PROCESS FROM NODE 395.00 TO NODE 396.EO IS CODE = 3 ---------------------------------------------------------------------------- > >)> )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA( < < << > >)> )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( E U any.- • .. v. . w.. r .. a v. �• a .. u.. r . v r r PIPEFLOW VELOCITY(FEET /SEC.) = 5.7 UPSTREAM NODE ELEVATION = 1227.00 DOWNSTREAM NODE ELEVATION = 1225.00 FLOWLENGTH(FEET) = 260.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 18.00 PIPEFLOW THRU SUBAREA(CFS) = 8.05 TRAVEL TIME (MIN.) -_ .75 TC (MIN. ) N = .013 NUMBER OF PIPES = = 14. 72 1 FLOW PROCESS FROM NODE 396.10 TO NODE 396.20 IS CODE 8 ---------------------------------------------------------------------------- ) >>) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( as�aas :aes ss =assssaa=a=assa= =asses=ses =asmasassssssa=sss�s= asses =m=s:ssa =ss 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) a 3.416 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7579 SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOFF(CFS) = 14.50 TOTAL AREA(ACRES) = 6.60 TOTAL RUNOFF(CFS) _ 22.55 TC (MIN) - 14.72 FLOW PROCESS FROM NODE 396.20 TO NODE 396.00 IS CODE = 3 ---------------------------------------------------------------------------- > >> ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((( << )>))) USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( eassx= ssassrssasxssas�ssss== sssss= s== sssess aaax xesesesea S = e a ssaesssesas = =� DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.9 UPSTREAM NODE ELEVATION = 1225.00 DOWNSTREAM NODE ELEVATION 1224.00 FLOWLENGTH(FEET) = 80.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) 22.55 TRAVEL TIME(MIN.) = .15 TC(MIN.) 14.87 FLOW PROCESS FROM NODE 396.00 TO NODE 396.00 IS CODE = 1 > >>) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( > >)))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( asaaaxaaasxxsxxssxassreexxxxsaxxxeexss azmaamsaessssssssc xxexsssesssss=axsssxc CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AREs TIME OF CONCENTRATION(MINUTES) - 14.87 RAINFALL INTENSITY (INCH. /HOUR) = 3.40 TOTAL STREAM AREA (ACRES) = 8.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 22. CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 50.07 17.61 3.067 2 Z2.55 14.87 3.395 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 70.44 64.82 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 70.44 TIME(MINUTES) 17.606 TOTAL AREA(ACRES) = 28.50 FLOW PROCESS FROM NODE 396.00 TO NODE 397.00 IS CODE 3 ---------------------------------------------------------------------------- ) >) >)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) ))>) USING CDMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( saxsrssasarr= rssxxs= x: ssasasxs= a= xaasaaaxs= mr =xaaassasr=asxxsasrxss =saoaxssc DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.1 INCHES PIPEFLDW VELOCITY(FEET /SEC.) = 15.1 UPSTREAM NODE ELEVATION = 1224.00 DOWNSTREAM NODE ELEVATION = 1217.82! FLOWLENGTH(FEET) = 260.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) 70.44 TRAVEL TIME(MIN. ) = .29 TC(MIN. ) = 17.89 FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.89 RAINFALL INTENSITY (INCH. /HOUR) = 3.04 TOTAL STREAM AREA (ACRES) - 28.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 70.44 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ® 1 70.44 17.89 .1.038 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR I STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 70.44 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 70.44 TIME(MINUTES) 17.894 TOTAL AREA (ACRES) = 26.50 = xsxxaraxxxrrrrrr= xa= rrrrrrrrrrsrrrrsxsrrsrrx= axssrs =sasssrrrsrrrrrrrr =rrrrc END OF RATIONAL METHOD ANALYSIS E h(?e 9 po"WAO'sop 9 9co -. CIWL lNONrEEIMIG • LAND PL N WO • LAND StJ11VOM COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINE D 101 * Q10 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 02628.3428 • (714) 641.8777 sasssssssassssss asssssss sasssssssassssssasssssssssssssacs :sarsaassssasssssssas RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (89C) 1983 HYDROLOGY MANUAL sa sssaasssssa : : ssssassss :ssssss :ass : :sssssssssssssss: sssssssa :sans :sasaassss l((<<<((<( <( <((((t(( < < < < < <t( <t( < < <(((( ))» ) )>)))) >)» )))) M >)>» ))) > >)»> 4C) Copyright 199E Advanced Engineering Software EAES3 Especially prepared fore HALL i FOREMAN, INC. (<(< l((( l <( < < <<( <(( (< <((( <(( <t <l < <l <((» >> >> > } > >> >) >) >)> >> >) >> >> >)) > >> >) }) >> **********DESCRIPTION OF RESULTS:* aa*+ f+ faa* x+ E+ f+ E+ Fa*+ ra+ Ea *�r+Ea+f+►a *ea�ra *as+fa+E+a+E *ate a FOOTHILL DRAIN HYDROLOGY LINE D INCLUDING LATERAL H e * 010 FROM NODE 401.3 TO NODE 604.5 +� a JOHN SIMS 10/13/86 9s36 A.M. J.N. 3366 *+ gee+ ���sxxea�aaeaa+ ��aass��xaaasaae+ �* eeaea* ae* a** *aeaeeaasrst *eeaa *a+�a+�+�+�a�* USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) - 10.00 SPECIFIED MINIMUM PIPE SIZE(INCH) - 18.90 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE - .95 10 -YEAR STORM 60- MINUTE INTENSITYIINCH /HOUR) - .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) - 1.470 COMPUTED RAINFALL INTENSITY DATAt STORM EVENT a 10.00 1 -HOUR INTENSITY(INCH /HOUR) - .9898 SLOPE OF INTENSITY DURATION CURVE - .6000 BBC HYDROLOGY MANUAL "C "- VALUES USED <(<((4(<(<<< l<<<<<<<<((<<<((l<((( l(<(< } >) » >) » > >)) >) » >3 > » » > » >) » >)))))) Advanced Engineering Software EAES3 SERIAL No. A0580A REV. 3.1 RELEASE DATEs 5/01/85 axaaE*** e�astaeaaxxa+ E* e�staaa* asr* e* asraessr *�►s�eaxaa�t�ta * *a *st *aa *air *e * *staa+Eeeax*+E FLOW PROCESS FROM NODE 401.30 TO NODE 401.30 IS CODE - 2 ---------------------------------------------------------------------------- ) )}))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( sssa :sssssssa a -s-- :sssa s - :a :sssa:: ssssssssass s- :ssassassssss :ss :sssssssa mm= ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISt SINGLE FAMILY 41/4 ACRE) TC - K* E (LENGTH**3) / (ELEVATION CHANGE) 3 **. 2 INITIAL SUBAREA FLOW- LENGTH - 850.00 UPSTREAM ELEVATION . = 1278.60 DOWNSTREAM ELEVATION - . 1,2 ELEVATION DIFFERENCE - 14.60 TC - . 393+ E ( 850.00**3) / 4 14.60) 3**. 2 - 13.144 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.462 SOIL CLASSIFICATION IS "A" %ilNULt- tHM1LY Q/4 ACRE LU0 RUNOFF C JEFF ICIENT s .7282 SUBAREA RUNOFF(CFS) _ 11.38 TOTAL AREA(ACRES) - 6.40 TOTAL RUNOFF(CFS) - 11.38 FLOW PROCESS FROM NODE - 401_30 TO NODE 401.20 IS CODE = 6 ))) >) COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( ss: assess: ussss::asssss:ssssssasssssssss: sass :ssssss :ssssssssssssssssssssss UPSTREAM ELEVATION - 1258.00 DOWNSTREAM ELEVATION - 1254.00 STREET LENGTH(FEET) - 250.00 CURB HEIGTH(INCHES) - 6. STREET HALFWIDTH(FEET) - 20.00 STREET CROSSFALL(DECIMAL) - .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - i * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) 11.38 STREET FLOWDEPTH(FEET) _ .49 HALFSTREET FLOODWIDTH(FEET) - 13.93 AVERAGE FLOW VELOCITY(FEET /SEC.) - 4.17 PRODUCT OF DEPTHEVELOCITY = 2.05 STREETFLOW TRAVELTIME(MIN) - 1.00 TC (MIN) - 14.14 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.356 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7165 SUBAREA AREA(ACRES) = 0.00 SUBAREA RUNOFF(CFS) - 0.00 SUMMED AREA(ACRES) 6.40 TOTAL RUNOFF(CFS) - 11.38 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) - .49 HALFSTREET FLOODWIDTH(FEET) - 13.93 FLOW VELOCITY(FEET /SEC.) - 4.17 DEPTH *VELOCITY - 2.05 - FLOW PROCESS FROM NODE 401.20 TO NODE 401.20 IS CODE - 8 )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ss�ss:: sssssssa: sssasssassssssssssssssssssssssssssssssssssssssssssssssssssae 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.356 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7165 SUBAREA AREA(ACRES) 5.40 SUBAREA RUNOFF(CFS) - 9.11 TOTAL AREA(ACRES) 11.80 TOTAL RUNOFF(CFS) 20.49 TC (MIN) - 14.14 FLOW PROCESS FROM NODE 401.20 TO NODE 401.40 IS CODE - 6 ------------------------ ----------------------- ) ))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION - 1254.00 DOWNSTREAM ELEVATION - 1248.00 STREET LENGTH(FEET) 300.00 CURB HEIGTH(INCHES) - S. STREET HALFWIDTH(FEET) - 20.00 STREET CROSSFALL(DECIMAL) - .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) - 20.49 NOTES STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) - .57 HALFSTREET FLOODWIDTH(FEET) - 16.82 AVERAGE FLOW VELOCITY(FEET /SEC.) - 5.21 PRODUCT OF DEPTHSVELOCITY - 2.97 STREETFLOW TRAVELTIME(MIN) _ .96 TC(MIN) - 15.10 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.265 SOIL CLASSIFICATION IS "A" SINGLE-- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT s .7111 SUBAREA AREA(ACRES) = 0.00 SUBAREA RUNOFF(CFS) = 0.00 SUMMED AREA(ACRES) = 11.60 TOTAL RUNOFF(CFS) = 20.49 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .57 HALFSTREET FLOODWIDTH(FEET) = 16.62 FLOW VELOCITY(FEET /SEC.) = 5.21 DEPTH *VELOCITY s 2.97 L-01 FLOW PROCESS FROM NODE 401.10 TO NODE 401.40 IS CODE s 6 )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ssss : : :s:: : ::t : : ::: : :.�::s sss :s :sss :ssssssssss::s::ssssssss: :sssss :s:: :sss= 16.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.965 SOIL CLASSIFICATION IS " A " SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7111 SUBAREA AREA(ACRES) = 5.50 SUBAREA RUNOFF(CFS) = 6.66 TOTAL AREA(ACRES) = 17.30 TOTAL RUNOFF(CFS) = 29.35 TC (MIN) = 15.10 FLOW PROCESS FROM NODE 401.40 TO NODE 409.30 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( : ssss: sss sss sssssss: asssssss s�sssssssssssasssssssssssssssssasssssssssasssss DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.6 UPSTREAM NODE ELEVATION = 1246.00 DOWNSTREAM NODE ELEVATION = 1247.50 FLOWLENGTH(FEET) = 40.00 MANNINGS N = .013 ® ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 29.35 TRAVEL TIME (MIN.) _ .97 TC (MIN.) = 15.17 FLOW PROCESS FROM NODE 409.30 TO NODE 409.30 IS CODE = 1 -------------- - - - - -- ----------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( :: s:s s:: ss=:=ss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTRATION(MINUTES) = 15.17 RAINFALL INTENSITY (INCH. /HOUR) = 2.26 TOTAL STREAM AREA (ACRES) = 17.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 29.35 �+ E* �+ �����������x* x�+ ��xx�x���aF�af���* ���+ E** �* �w�* ���� *s► *s►af *�� *+F *��x�+E�� *�� *��� FLOW PROCESS FROM NODE 409.10 TO NODE 409.20 IS CODE = 2 )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( s=ssss s.ssssssss::::ssssss= ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1/4 ACRE) TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)) * *.2 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1256.00 DOWNSTREAM ELEVATION = 1248.00 ELEVATION DIFFERENCE = 10.00 TC = . 393* t ( 1000.00 * *3) / ( 10.00) 3 * *. 2 s 15.630 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.219 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7062 SUBAREA RUNOFF(CFS) = 11.47 1 u 4 NL. NRtN l N1..KCO / _ f. - 1 u i NL Kufrul' f- %L.P a / = a a . at / ��* �+ HEi► x�* at* �t���x�t�� *�t *�it� *��t���x*���t�* *��t *�t�� *�t�� * * *� * *���+trt��� �t��t�t� *+t�t� * *� FLOW PROCESS FROM NODE 409.20 TO NODE 409.30 IS CODE = 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( : as= s= s.: ss= s:=== DEPTH OF FLOW IN 21.0 INCH PIPE IS 12.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.7 UPSTREAM NODE ELEVATION - 1248.00 DOWNSTREAM NODE ELEVATION = 1247.50 FLOWLENGTH(FEET) = 40.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 21.00 PIPEFLOW THRU SUBAREA(CFS) = 11.47 TRAVEL TIME (MIN.) -� .09 TC (MIN. ) x N = .013 NUMBER OF PIPES = = 15.72 FLOW PROCESS FROM NODE 409.30 TO NODE 409.30 IS CODE = i TIME OF CONCENTRATION(MINUTES) = 15.72 RAINFALL INTENSITY (INCH. /HOUR) = 2.21 TOTAL STREAM AREA (ACRES) = 7.30 TOTAL STREAM RUNOFFICFS) AT CONFLUENCE _ ))) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ) >)))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFO) (MIN.) (INCH /HOUR) 11.47 1 29.35 15.17 2.258 2 11.47 15.72 2.211 E RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(89C) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWSs 40.42 40.21 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 40.42 TIME(MINUTES) = 15.172 TOTAL AREA (ACRES) s 24.60 FLOW PROCESS FROM NODE 409.30 TO NODE 410.00 IS CODE = 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) >))> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( ss sssss ss ssssssssssssssss ssssssssss s: ssss ssssssss ssassssssssssssssssssssssss DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.5 UPSTREAM NODE ELEVATION = 1247.50 DOWNSTREAM NODE ELEVATION 1241.60 FLOWLENGTH(FEET) = 780.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 33.00 PIPEFLOW THRU SUBAREA(CFS) = 40.42 TRAVEL TIME (MIN.) = 1.52 TC (MIN. ) NUMBER OF PIPES = = 16.69 FLOW PROCESS FROM NODE 410.00 TO NODE 410.00 IS CODE 1 ------------------------------ ---------- ---------------------------------- A ! ! ! ) utaatsm" 1 C awtrCVCrvarGry r a r rKCNPr rurq %AAvrLUGrvL.t t % % % % liiiiiiiiiii iiia t=! si!! iil= sl=l iis!!!!=l=l siiiiii lss=ipiil =!! =iiiiliiliiiiii CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTRATION(MINUTES) - 16.69 RAINFALL INTENSITY (INCH. /HOUR) - 2.13 TOTAL STREAM AREA (ACRES) - 24.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 40.42 * �+ t���s�w�a F* ���* �a tof��r�a ES r* �ww** ��r���t�af ���sr�r�** sr�*** �+ t *�+E+�st+t *� *�st *�����sr��► * *�� FLOW PROCESS FROM NODE 408.00 TO NODE 408.20 IS CODE = 2 -----. NN---- N----------------------------------------- N--- N -N - -- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( m ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT I8s SINGLE FAMILY (1 /4 ACRE) TC - K *E(LENGTH * *3) /(ELEVATION CHANGE)) * *.2 INITIAL SUBAREA FLOW - LENGTH - 1000.00 UPSTREAM ELEVATION - 1265.00 DOWNSTREAM ELEVATION - 1245.80 ELEVATION DIFFERENCE - 19.20 TC - . 393 *E ( 1000.00 * *3) / ( 19.20) ] * *. 2 - 13.718 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.399 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7189 SUBAREA RUNOFF(CFS) = 11.21 TOTAL AREA(ACRES) - 6.50 TOTAL RUNOFF(CFE) - 11.21 FLOW PROCESS FROM NODE 408.20 TO NODE 410.00 18 CODE = 6 ® )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( l ssiiiss! ssss is i s sss sssss i its liissis i s liissii assl:siisiss UPSTREAM ELEVATION 1245.80 DOWNSTREAM ELEVATION 1241.60 STREET LENGTH(FEET) 500.00 CURS HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) - 20.00 STREET CROSSFALL(DECIMAL) - .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 11.21 NOTES STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) - .54 HALFSTREET FLOODWIDTH(FEET) - 15.66 AVERAGE FLOW VELOCITY(FEET /SEC.) - 3.28 PRODUCT OF DEPTN4VELOCITY - 1.76 STREETFLOW TRAVELTIME(MIN) - 2.54 TC(MIN) - 16.26 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.166 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7048 SUBAREA AREA(ACRES) - 0.00 SUBAREA RUNOFF(CFS) = 0.00 SUMMED AREA(ACRES) 6.50 TOTAL RUNOFF(CFS) = 11.21 END OF SUBAREA STREETFLOW HYDRAULICSs DEPTH(FEET) - .54 HALFSTREET FLOODWIDTH(FEET) - 15.66 FLOW VELOCITY(FEET /SEC.) - 3.28 DEPTH*VELOCITY - 1.76 FLOW PROCESS FROM NODE 408.10 TO NODE 410.00 IS CODE 8 )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( sssssssssssssssssasssal assess ssssi sssssssssss ssssssssisssasssss asss lssssa 10.00 YEAR RAINFALL INTENSITY 4 INCH/HOUR) 2.166 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7048 SUBAREA AREA(ACRES) = 5.80 SUBAREA RUNOFF(CFS) - 6.86 TOTAL AREA(ACRES) 12.30 TOTAL RUNOFF(CFS) 20.07 TC (MIN) - 16.26 FLOW PROCESS FROM NODE 410.00 TO NODE 410.00 IS CODE )> )))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( !!m!!!!!! sill is==l a!! s= iisi!!!=!! i- sssi= ii ii! !!!!!!!i!!!!ii!!!s!s!!!lliii!!i CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AREs TIME OF CONCENTRATION(MINUTES) ! 16.26 RAINFALL INTENSITY (INCH. /HOUR) 2.17 TOTAL STREAM AREA (ACRES) - 12.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 20.07 FLOW PROCESS FROM NODE 409.00 TO NODE 410.00 IS CODE 2 ----------------------------------------------------------------------- - - - - -- >>) >> RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ss�assssssssasassssssssssssssss sssssssassssssssssssssss mss- ssssssmsssssmsssa ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1/4 ACRE) TC - K *C(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW - LENGTH = 1130.00 UPSTREAM ELEVATION - 12:54.00 DOWNSTREAM ELEVATION - 1241.60 ELEVATION DIFFERENCE - 12.40 TC - . 393 *C ( 1130.00 * *3) / ( 12.40) 3 * *. 2 - 16.111 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.179 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT - .7086 SUBAREA RUNOFF(CFS) = 11.07 TOTAL AREA(ACRES) - 7.20 TOTAL RUNOFF(CFS) - 11.07 FLOW PROCESS FROM NODE 410.00 TO NODE 410.00 IS CODE - i >)) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ))) >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( sssssssss ssssssssssssssssssssss: sssss: ssssssssssssssssssssssssssssssssssssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 AREs TIME OF CONCENTRATION(MINUTES) - 16.11 RAINFALL INTENSITY (INCH. /HOUR) - 2.18 TOTAL STREAM AREA (ACRES) - 7.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 11.07 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) i , 40.42 16.69 2.133 2 20.07 16.26 2.166 3 11.07 16.11 2.179 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA48BC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 71.01 70.45 69.96 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) - 71.01 TIME (MINUTES) 16.694 TOTAL AREA(ACRES) = 44.10 D� *� *xs►* * * ** * �a F���* ���* �* �t��t�+ t�t*s t�t�►+ f** �t�► ��** � *st�+t����t+f�+fst *�t� * *���t��� FLOW PROCESS FROM NODE 410.00 TO NODE 420.00 IS CODE = 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( = sssssss= as ssss sssss= sss ssssssassssss= sssssssssssasssssssssssssssss =sssssssr DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.5 INCHES PIPEFLOW VELOCITV(FEET /SEC.) - 12.2 UPSTREAM NODE ELEVATION - 1241.60 DOWNSTREAM NODE ELEVATION 1232.40 FLOWLENGTH(FEET) - 670.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) - 36.00 PIPEFLOW THRU SUBAREA(CFS) = 71.01 TRAVEL TIME(MIN.) - .91 TC(MIN.) NUMBER OF PIPES = Or 17.61 FLOW PROCESS FROM NODE 420.00 TO NODE 420.00 IS CODE = 1 ------------------------------ ----------- ---------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ss ssss== ssss as: ss sssa::ss sas sssasss a:sssss= as sas==sssssssss:assssssssaassssc TIME OF CONCENTRATION(MINUTES) - 17.61 RAINFALL INTENSITY (INCH. /HOUR) - 2.07 TOTAL STREAM AREA (ACRES) - 44.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 71.01 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i AREs FLOW PROCESS FROM NODE 418.10 TO NODE 418.10 IS CODE = 2 -------------- ---------------- ---------------------------------------- - -- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ss: assssas==s= sa:ss s=ss==sssssssss a==ss ssssss ssas :ss==aa=aasasas=s :s=assssas ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT 18s CONDOMINIUM TC - K *t(LEN8TH * *3) /(ELEVATI0N CHANGE)3 * *.2 INITIAL SUBAREA FLOW - LENGTH - 1000.00 UPSTREAM ELEVATION = 1263.00 DOWNSTREAM ELEVATION - 1244.00 ELEVATION DIFFERENCE - 19.00 TC - . 359*E ( 1000.00 * *3) / ( 19.00) 3 * *.2 All 12.577 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.327 SOIL CLASSIFICATION 18 "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT - .7629 SUBAREA RUNOFF(CFS) = 9.06 TOTAL AREA(ACRES) - 4.70 TOTAL RUNOFF(CFS) - 9.06 FLOW PROCESS FROM NODE 418.10 TO NODE 420.00 IS CODE = 6 )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( sassssas= :sssssssssssss sasss sssssssssssassssssssssssasssssssssssssssssssassr UPSTREAM ELEVATION = 1244.00 DOWNSTREAM ELEVATION = 1232.40 STREET LENGTH(FEET) = 800.00 CURB HEIGTH(INCHES) - 8. STREET HALFWIDTH(FEET) - 32.00 STREET CROSSFALL(DECIMAL) - .0230 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 1 ® * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 9.06 STREET FLOWDEPTH(FEET) _ .49 HALFSTREET FLOODWIDTH(FEET) - 13.48 AVERAGE FLOW VELOCITY(FEET /SEC.) - 3.70 PRODUCT OF DEPTH&VELOCITY - 1.79 STREETFLOW TRAVELTIMEIMIN) - 3.61 TC(MIN) - 16.19 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.173 OUAI- LA_M00lrAL."1AUN 1O "M" SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT - .7052 SUBAREA AREA (ACRES) • 0.00 SUBAREA RUNOFF(CFS) - 0.00 SUMMED AREA(ACRES) - 4.70 TOTAL RUNOFF(CFS) - 9.06 END OF SUBAREA STREETFLOW HYDRAULICS• DEPTH(FEET) - .49 HALFSTREET FLOODWIDTH(FEET) - 13.48 FLOW VELOCITY(FEET /SEC.) - 3.70 DEPTH*VELOCITY - 1.79 FLOW PROCESS FROM NODE 418.00 TO NODE 420.00 IS CODE = 8 )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( :sssss sssss: ss ssssssss sssssss aassssss ssssaass sssssssssssssssassassssssssssss 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.173 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT = . 7487 SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 8.62 TOTAL AREA(ACRES) - 10.00 TOTAL RUNOFF(CFS) = 17.68 TC(MIN) - 16.19 FLOW PROCESS FROM NODE 420.00 TO NODE 420.00 IS CODE = i --------------------------- ------------- ------------------------------------ ) ))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( > >)))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) - 16.19 RAINFALL INTENSITY (INCH. /HOUR) - 2.17 TOTAL STREAM AREA (ACRES) - 10.00 ® TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 17.68 CONFLUENCE INFORMATIONS STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 71.01 17.61 2.066 2 17.68 16.19 2.173 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 87.82 - 82.96 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) - 87.82 TIME(MINUTES) = 17.606 TOTAL AREA(ACRES) - 54.10 FLOW PROCESS FROM NODE 420.00 TO NODE 419.30 IS CODE = 3 -------------------------------------------------------------- - - - - -- )))) )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))) )USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( sassssa :ssssssssssssss- sssasasssss sass:: s:s sss ssssssssssssss- ssssssssssssss :s DEPTH OF FLOW IN 27.0 INCH PIPE IS 20.5 INCHES DIPEFLOW VELOCITY(FEET / SEC.) - 27.1 ® UPSTREAM NODE ELEVATION - 1232.40 DOWNSTREAM NODE ELEVATION - 1225.50 FLOWLENGTH(FEET) - 70.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 27.00 NUMBER OF PIPES - i PIPEFLOW THRU SUBAREA(CFS) - 87.82 TRAVEL TIME(MIN.) - .04 TC(MIN.) - 17.65 �'RRRRRRRRRRRRRRRRR RRN'RR1rR� «RRR7rRRRRRR7rRRR RRRRRRlRRRRRRRI�RRR1rR'RRl7rR FLOW.PROCESS FROM MODE 419.30 TO NODE 419.30 IS CODE s i .__ ��.-_----------------M ��------------- - ------ ------------- - - -- ))) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( mm :mm . ::_:::: ::::::= :::s ::: : ::::: _:: sssss=ssssssassssssssas : :_::_ =s CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i ARE ® TI ME OF CONCENTRATION(MINUTES) = 17.65 RAINFALL INTENSITY (INCH. /HOUR) = 2.06 TOTAL STREAM AREA (ACRES) = 54.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 87.82 ��x���+t� *�+ Fit+ t��x���r��+ t�sw�w��* ��* �����** �** �r** at* � *�t� *��� *�+t�t���t� *� *� *�►�� *�� FLOW PROCESS FROM NODE 419.18 TO NODE 419.10 IS CODE 2 -- -------- - - -- )))) >RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ss rises rises sssssssssss ssss ss= sssssss sss= ss sssssss ssssssasssssssssss:ss::sss ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1/4 ACRE) TC - K *t(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1258.00 DOWNSTREAM ELEVATION = 1229.10 ELEVATION DIFFERENCE = 28.90 TC = . 393* t ( 1000.00 * *3) / ( 28. 90) 3 * *. 2 = 12.641 10.90 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.520 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7252 SUBAREA RUNOFF(CFS) 10.05 TOTAL AREA(ACRES) = 5.50 TOTAL RUNOFF(CFS) = 10.05 FLOW PROCESS FROM NODE 419.10 TO NODE 419.20 IS CODE = 3 ------------------------------------------------------------------------ )) )))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( : ss:s:::s eas sassssssssssssssssssassssssssasssssssssssssssssassssss : =ssssssaa DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.1 UPSTREAM NODE ELEVATION = 1229.10 DOWNSTREAM NODE ELEVATION = 1227.50 FLOWLENGTH(FEET) = 330.00 14ANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) a 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.05 TRAVEL TIME(MIN. ) = 1.08 TC(MIN. ) = 13.72 FLOW PROCESS FROM NODE 417.10 TO NODE 419.20 IS CODE = 8 )))) >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.399 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT = .7582 SUBAREA AREA(ACRES) = 8.60 SUBAREA RUNOFF(CFS) = 15.64 TOTAL AREA(ACRES) a 14.10 TOTAL RUNOFF(CFS) = 25.69 TC (MIN) = 13.72 FLOW PROCESS FROM NODE 419.20 TO NODE 419.30 IS CODE 3 ---------------------------------------------------------------------------- ))))) COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) >)) )USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( sssssassssssssssssssss ss ssssssasssssssssssasssssssssssssssssssssssss7esssssrr DEPTH OF FLOW IN 21.0 INCH PIPE IS 14.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 14.4 UPSTREAM NODE ELEVATION - 1227.50 DOWNSTREAM NODE ELEVATION - 1225.50 FLOWLENGTH(FEET) - 50.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 21.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 25.69 TRAVEL TIME(MIN. ) - .06 TC(MIN. ) = 13.78 FLOW PROCESS FROM NODE 419.30 TO NODE 419.30 IS CODE = i )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.78 RAINFALL INTENSITY (INCH. /HOUR) a 2.39 TOTAL STREAM AREA (ACRES) - 14.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 25.69 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) --------------------------------------- 1 87.82 17.65 2.063 2 25.69 13.7& 2.393 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. ® VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 109.97 94.27 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 109.97 TIME(MINUTES) a 17.649 TOTAL AREA (ACRES) - 68.20 FLOW PROCESS FROM NODE 419.30 TO NODE 430.00 IS CODE = 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ))) >)USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( ssssssassssssasassssssxss sass: ssssss srsxssss ssssssssssssssxsssssassssssxra DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.4 UPSTREAM NODE ELEVATION = 1225.50 DOWNSTREAM NODE ELEVATION = 1218.00 FLOWLENGTH(FEET) - 850.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) 45.00 PIPEFLOW THRU SUBAREA(CFS) = 109.97 TRAVEL TIME (MIN. ) - 1.24 TC (MIN. ) N = .013 NUMBER OF PIPES r = 18.89 FLOW PROCESS FROM NODE 430.00 TO NODE 430.00 IS CODE = 1 ---------------------------------------------------------------------------- ) )M )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( s= ae-: assssxxsssxssxassxssssassssxxxxsssxasxx asssxsxss =xsxxssxxxrxrxsx =sxxrs= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) 18.69 RAINFALL INTENSITY (INCH. /HOUR) r 1.98 TOTAL STREAM AREA (ACRES) r 68.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 109.97 FLOW PROCESS FROM NODE 428.00 TO NODE 428.10 IS CODE 2 ))) >) RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( sssssssas: sssasssssssssssssss :sssaaassss :s: ass sass :sss:=ssss :: :sass :: :asses = ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs CONDOMINIUM TC - K *t(LENGTH * *3) /(ELEVATION CHANGE)( * *.2 INITIAL SUBAREA FLOW- LENGTH - 880.00 UPSTREAM ELEVATION - 1235.50 DOWNSTREAM ELEVATION - 1220.40 ELEVATION DIFFERENCE - 15.10 TC - . 359 *t ( 880.80 * *3) / ( 15.10) ] * *.2 - 11.518 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.664 SOIL CLASSIFICATION IS " A " CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT - .7674 SUBAREA RUNOFF(CFS) 9.00 TOTAL AREA(ACRES) - 4.40 TOTAL RUNOFF(CFS) - 9.00 FLOW PROCESS FROM NODE 428.10 TO NODE 430.00 IS CODE = 3 ---------------------------------------------------------------------- - - - - -- ) >) ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( ssssssssss�ssssasssssrsssssssssrssasssssss asses :a :ssasassessasssss :ssesrsma ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.8 INCH PIPE IS 7.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 12.0 UPSTREAM NODE ELEVATION - 1220.40 DOWNSTREAM NODE ELEVATION - 1218.00 FLOWLENGTH(FEET) - 50.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 18.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 9.00 TRAVEL TIME(MIN.) _ .07 TC(MIN.) - 11.59 FLOW PROCESS FROM NODE 430.00 TO NODE 430.00 IS CODE 1 ---------------------------------------------------------------------- - - - - -- ))) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ssasssssssassrssssssssassaasssssssssssss: ss: sssssssssss rressesssesssesassasr CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) - 11.59 RAINFALL INTENSITY (INCH. /HOUR) - 2.65 TOTAL STREAM AREA (ACRES) = 4.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 9.00 FLOW PROCESS FROM NODE 429.00 TO NODE 429.10 IS CODE 2 -------- ---------------------------- ------------------------------------- )> )))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( s= ssasssssaaasasassassaassssasssassssssass saris asses :assssasssssassssrsass == ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT 1S: SINGLE FAMILY (1/4 ACRE) TC - K *t(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 ® INITIAL SUBAREA FLOW- LENGTH - 150.00 UPSTREAM ELEVATION 1232.00 DOWNSTREAM ELEVATION r 1218.60 ELEVATION DIFFERENCE = 13.40 TC = . 393* t ( 150.00 * *3) / ( 13.40) ] * *. 2 - 4. 723 COMPUTED TIME OF CONCENTRATION INCREASED TO 5 MIN. 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 4.396 SOIL CLASSIFICATION IS "A" a&4WlXLM-- r f-MaUr P. 1i Kt,tct L.UI i MUNUrr t,Utrr tc.st +v r = . r 1 00 n N SUSIAREA RUNOFF(CFS) = 6.90 TOTAL. AREA(ACRES) = 2.60 TOTAL RUNOFF(CFS) FLOW PROCESS FROM NODE 429.10 TO NODE 430.00 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) ))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( ssssssssssssssss sass: ssssss ssss ssss: ssss sss ss ssssssssssssssssssssssasssssa=a DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 4.2 UPSTREAM NODE ELEVATION - 1218.60 DOWNSTREAM NODE ELEVATION = 1218.00 FLOWLENGTH(FEET) = 200.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) - 24.00 PIPEFLOW THRU SUBAREA(CFS) = 6.90 TRAVEL TIME (MIN. ) _ .79 TC (MIN. ) N .013 NUMBER OF PIPES = = 5.79 FLOW PROCESS FROM NODE 430.00 TO NODE 430.00 IS CODE = 8 ---------------------------------------------------------------------- - - - - -- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( sssssssssssssssssssssss sass:: sssssss: ssasssssssssasssssmms :ssssasssssssxssasea 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 4.024 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8344 SUBAREA AREA(ACRES) _ .40 SUBAREA RUNOFF(CFS) = 1.34 TOTAL AREA(ACRES) = 3.00 TOTAL RUNOFF(CFS) = 10.24 TC (MIN) = 5.79 FLOW PROCESS FROM NODE 430.00 TO NODE 430.00 IS CODE = 1 ---------------------------------------------------------------------- - - - - -- ) >) >)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ) >)))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ass sass:: ssssssssasssssssssssssss ssssssssssssssssssssss :sss:sssss:sassasa TIME OF CONCENTRATION(MINUTES) = 5.79 RAINFALL INTENSITY (INCH. /HOUR) = 4.02 TOTAL STREAM AREA (ACRES) = 3.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 10.24 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 109.97 18.89 1.980 2 9.00 11.59 2.655 3 10.24 5.79 4.024 n RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 121.72 83.22 48.46 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 121.72 TIME (MINUTES) = 18.889 TOTAL AREA (ACRES) = 75.60 FLOW PROCESS FROM NODE 430.00 TO NODE 397.00 IS CODE = 3 --- ------------------------------------------------------------------------ ......�..�.w.. -r. w w.�•r. MI , r, om , t t t I t L#ur 'u 1 = w4 r' cf `Lpw s nr+vaL- + i f•ic i nnu OtJONft \ \ \ \ \ ))) ))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( ssssss=ssssss amass:: ssss ssssssssssas= sssssss ssassss==s=s=ssssaasssasss::s�c DEPTH OF FLOW IN 48.0 INCH PIPE IS 38.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 11.4 UPSTREAM NODE ELEVATION - 1218.00 DOWNSTREAM NODE ELEVATION - 1216.00 FLOWLENGTH(FEET) = 250.00 MANNINGS N - .013 ESTIMATED PIPE DIAMETER(INCH) - 48.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA(CFS) - 121.72 TRAVEL TIME (MIN. ) - .37 TC (MIN. ) - 19.26 + E�+ Fx* ��r���+ s+♦ �+ E�a E���+ ��a E+ f�x�*+ F����* �* �** �* ���+ ����* x* *� *� *�x��xxx�x*� *�� * *��� FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE = i ) ») >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ss :ssssssas asss: ssasssss sssssssssssssssss ssssassssas :ssssssasssssssssssasssc CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) - 19.26 RAINFALL INTENSITY (INCH. /HOUR) - 1.96 TOTAL STREAM AREA (ACRES) - 75.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 121.72 FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE = 7 > > > >)USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((( sssss :sssss --- ssss :saassss :ssssasssssssssssss ::seas- sssssssssssassssssxsss == USER - SPECIFIED VALUES ARE AS FOLLOWSs TC(MIN) - 18.13 RAIN INTENSITY(INCH /HDUR) - 2.03 TOTAL AREA(ACRES) - 28.50 TOTAL RUNOFF(CFS) - 53.23 FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE = 1 > >) > >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ssssssssasssssssssssasssssssssssssssssssssssssssss sssss :ssa :ssss:ssasassssrss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AREs TIME OF CONCENTRATION(MINUTES) - 18.13 RAINFALL INTENSITY (INCH. /HOUR) = 2.03 TOTAL STREAM AREA (ACRES) - 26.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 53.23 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 121.72 19.26 1.958 2 53.23 18.13 2.030 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 173.06 167.84 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) - 173.06 TIME(MINUTES) 19.256 TOTAL AREA(ACRES) - 104.10 FLOW PROCESS FROM NODE 397.00 TO NODE 604.50 IS CODE 3 ---------------------------------------------------------------------- - - - - -- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(<((( ) ))))USING COMPUTER— ESTIMATED PIPESIZE (NON— PRESSURE FLOW)(( <(( DEPTH OF FLOW IN 54.0 INCH PIPE IS 42.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 13.0 UPSTREAM NODE ELEVATION - 1216.00 ® DOWNSTREAM NODE ELEVATION - 1209.00 FLOWLENGTH(FEET) = 780.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 54.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) - 173.06 TRAVEL TIME(MIN.) - 1.00 TC(MIN.) - 20.26 FLOW PROCESS FROM NODE 605.00 TO NODE 604.50 IS CODE - 8 ---------------------------------------------------------------------- - - - - -- )))) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( sssss:: sass ssasassas sassssssass:: sasssasssasssassasssasssssssssss ss :sassssss 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 1.899 SOIL CLASSIFICATION IS "A" SINGLE— FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT - .6844 SUBAREA AREA(ACRES) 14.60 SUBAREA RUNOFF(CFS) = 18.97 TOTAL AREA(ACRES) - 118.70 TOTAL RUNOFF(CFS) - 192.0k TC(MIN) s 20.26 FLOW PROCESS FROM NODE 604.50 TO NODE 604.50 IS CODE - i --- --- --- --- ------------------------------------------------------------- - -- )))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ) >)))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( sass: sass :ssss:sssssss: ssssssssssssssssss :ssasssssssss :sss :ssssssssssssssss ® CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTRATION(MINUTES) - 20.26 RAINFALL INTENSITY (INCH./HOUR) s 1.90 TOTAL STREAM AREA (ACRES) - 118.70 TOTAL STREAM RUNOFFICFS) AT CONFLUENCE - 192.04 CONFLUENCE INFORMATION! STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 192.04 20.26 1.899 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR i STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWSs 192.04 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) - 192.04 TIME(MINUTES) - 20.256 TOTAL AREA(ACRES) = 118.70 sssassaasas sss :ssssssssssssssssss:: sssssss :sssssssssssssssssssssssss :sssssss END OF RATIONAL METHOD ANALYSIS o � he 9 po"W44L vowtoo DATZ COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINE D C l J * Q25 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMM CALIFORNIA 62626.3426 • (714) $41.6777 s a=a=a=aasasas ass== sss= sa= sa= s = sassssssasssssassssss =sasssssssMac RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (BBC) 1983 HYDROLOGY MANUAL aes= as a= s==: asae: ssss: a:a: saaa: sa:: s: ssss= ss= sssa s ass=ssas=ssats=assa :ss=smasa== (C) Copyright 1982 Advanced Engineering Software EAES] Especially prepared fors HALL i FOREMAN, INC. (( t(<<( t(<<< l( t<( c<( t(<((< l<<<<<( c((((» )}» }) )>)) > >») )) > >> }) >)))) >)>) >) >>) ** * * * * * ** *DESCRIPTION OF * FOOTHILL DRAIN HYDROLOGY LINE D INCLUDING LATERAL H * 025 FROM NODE 40 TO NODE 604.5 +� * JOHN S I MS 10/13/86 9109 A. M. J.N. 3366 +� USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10-YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE _ .6000 BBC HYDROLOGY MANUAL "C VALUES USED Advanced Engineering Software SAES] SERIAL No. A0586A REV. 3.1 RELEASE DATES 5/01 /85 4 ((((((( (( <((( <(< <(((( <((((<(<((l((((O1 >) >)) > >>) > >)) > > > > >) >) > >> » >)) > » > >> FLOW PROCESS FROM NODE 401.30 TO NODE 401.30 IS CODE 2 ---------------------------------------------------------------------------- )) >)) RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( = s== sss= ssassss= s= ss=sa = s= s=s ss ssa =ss==s+e�sa=ss=s==aaassss :=a =s ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1/4 ACRE) TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)I * *.2 INITIAL SUBAREA FLOW— LENGTH = 850.00 UPSTREAM ELEVATION = 1272.60 DOWNSTREAM ELEVATION = 1256.00 ELEVATION DIFFERENCE = 14.60 TC = . 393* E ( 850.00 * *3) / ( 14.60) ] * *. 2 = 13.144 25.90 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.865 SOIL CLASSIFICATION IS "A" GINGLE—FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7402 SUBAREA RUNOFF(CFS) = 13.57 TOTAL AREAtACRES) - 6.40 TOTAL RUNOFFtCFS) - 13.57 FLOW PROCESS FROM NODE 401.30 TO NODE 401.20 IS CODE 6 ---------------------------------------------------------------------------- ) ))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( ssss� ssssssssssssssss s= ssssssssssssssss sss sssssssasssssssss=sssssssssssas UPSTREAM ELEVATION 1256.80 DOWNSTREAM ELEVATION = 1254.00 STREET LENGTH(FEET) = 250.00 CURET HEIGTH(INCHES) 6. STREET HALFWIDTH(FEET) - 20.00 STREET CROSSFALL(DECIMAL) - .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 13.57 NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .52 HALFSTREET FLOODWIDTH(FEET) - 15.09 AVERAGE FLOW VELOCITY(FEET /SEC.) - 4.26 PRODUCT OF DEPTH&VELOCITY - 2.23 STREETFLOW TRAVELTIME(MIN) _ .98 TCtMIN) - 14.12 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.744 SOIL CLASSIFICATION IS " A " SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7354 SUBAREA AREA (ACRE = S. 00 SUBAREA RUNOFF ( CFS) = 0.00 SUMMED AREA(ACRES) = 6.40 TOTAL RUNOFF(CFS) - 13.57 END OF SUBAREA STREETFLOW HYDRAULICS3 DEPTH(FEET) - .52 HALFSTREET FLOODWIDTH(FEET) - 15.09 FLOW VELOCITY(FEET /SEC.) - 4.26 DEPTH *VELOCITY - 2.23 FLOW PROCESS FROM NODE 401.20 TO NODE 401.20 IS CODE = 8 ---------------------------------------------------------------------- - - - - -- )))) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( asses= sssssssssssssss sssssssssss= sssssssssssssssasssssass =ssassssassssasasss 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.744 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7354 SUBAREA AREA(ACRES) = 5.40 SUBAREA RUNOFF(CFS) in 10.90 TOTAL AREA(ACRES) = 11.80 TOTAL RUNOFF(CFS) = 24.47 TC(MIN) - 14.12 FLOW PROCESS FROM NODE 401.20 TO NODE 401.40 IS CODE - 6 ) >) >) COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( sssssass=s: sees= ssssssssasss=: s:s ssss ss sssssasss :ss : : :ssasssssssssssss- =s : :s= UPSTREAM ELEVATION 1254.00 DOWNSTREAM ELEVATION s 1248.00 STREET LENGTH(FEET) = 300.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) - 20.00 STREET CROSSFALL(DECIMAL) - .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 24.47 NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .60 HALFSTREET FLOODWIDTH(FEET) - 17.98 AVERAGE FLOW VELOCITY(FEET /SEC.) - 5.47 PRODUCT OF DEPTH&VELOCITY = 3.29 STREETFLOW TRAVELTIME(MIN) - .91 TC(MIN) - 15.04 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) SOIL CLASSIFICATION IS "A" SINGLE- FAMZLY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7310 SUBAREA AREA(ACRES) = 0.00 SUBAREA RUNOFF(CFS) = 0.00 SUMMED AREA(ACRES) = 11.80 TOTAL RUNOFF(CFS) = 24.47 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .60 HALFSTREET FLOODWIDTH(FEET) = 17.98 FLOW VELOCITYtFEET /SEC.) = 5.47 DEPTH *VELOCITY 3.29 FLOW PROCESS FROM NODE 401.10 TO NODE 401.40 IS CODE 8 )))) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( = sssssssasssssssssssssssssssssssassssss�ssssssssasssssssssssassssssssassass 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.643 SOIL CLASSIFICATION IS " A " SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7310 SUBAREA AREA(ACRES) = 5.50 SUBAREA RUNOFF(CFS) = 10.63 TOTAL AREA(ACRES) = 17.30 TOTAL RUNOFF(CFS) = 35.10 TC (MIN) s 15.04 FLOW PROCESS FROM NODE 401.40 TO NODE 409.30 IS CODE = 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( sssssssssasssssssssssssssssss sass: sassssssssssssssassssssssssssssssssssssss= DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.1 ® UPSTREAM NODE ELEVATION = 1246.00 DOWNSTREAM NODE ELEVATION = 1247.50 FLOWLENGTH(FEET) = 40.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 35.10 TRAVEL TIME(MIN.) _ .07 TC(MIN.) = 15.10 FLOW PROCESS FROM NODE 409.30 TO NODE 409.30 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( sssassssssssasssass:: ssssasssssssssssssssssassssssssssasssassssasssssssssas� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.10 RAINFALL INTENSITY (INCH. /HOUR) = 2.64 TOTAL STREAM AREA (ACRES) = 17.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 35.10 FLOW PROCESS FROM NODE 409.10 TO NODE 409.20 IS CODE = 2 ) >)))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((t(( sssssssassssssssassssssss sass:: sass:: sassssssssssssssassssssssassass :ssasss= A03UNED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1 /4 ACRE) TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW- LENGTH = 1600.00 UPSTREAM ELEVATION = 1258.00 DOWNSTREAM ELEVATION = 1248.00 ELEVATION DIFFERENCE = 10.00 TC - . 393* E ( 1000.00 * *3) / ( 10.00) ] * *. 2 = 15.630 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.582 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY41/4 ACRE LOT) RUNOFF COEFFICIENT - .7262 SUBAREA RAF (CFS) = 13.73 TOTAL AREA (ACRES) - 7.30 TOTAL RUNOFF (CFS) - 13.73 FLOW PROCESS FROM NODE 409.20 TO NODE 409.30 IS CODE = 3 )) )))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))) )USING COMPUTER-ESTIMATED PIPE61ZE (NON- PRESSURE FLOW)((((( sssssss sssssrsssssssssssssssssssssas ssssssassssssssssss =sssss� DEPTH OF FLOW IN 21.0 INCH PIPE IS 14.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 8.0 UPSTREAM NODE ELEVATION s 1248.00 DOWNSTREAM NODE ELEVATION = 1247.50 FLOWLENGTH(FEET) - 40.00 MANNINGS N - .013 ESTIMATED PIPE DIAMETER (INCH) - 21.00 NUMBER OF PIPES = i PIPEFLOW THRU SUBAREA(CFS) ¢ 13.73 TRAVEL TIME(MIN.) - .08 TC(MIN.) = 15.71 FLOW PROCESS FROM NODE 409.30 TO NODE 409.30 IS CODE = 1 ---------------------------------------------------------------------- - - - - -- ))) >)DESIG'NATE INDEPENDENT STREAM FOR CONFLUENCE( <((( ) >) >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) - 15.71 RAINFALL INTENSITY (INCH. /HOUR) - 2.57 TOTAL STREAM AREA (ACRES) - 7.30 ® TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 13.73 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 35.10 15.10 2.636 2 13.73 15.71 2.574 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 46.29 48.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) - 48.29 TIME(MINUTES) = 15.101 TOTAL AREA(ACRES) - 24.60 FLOW PROCESS FROM NODE 409.30 TO NODE 410.00 IS CODE = 3 -- ��---------------- --------------------------------------------- ) )) ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(( (<( )> )))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 36.0 INCH PIPE ZS 25.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 9.0 UPSTREAM NODE ELEVATION - 1247.50 DOWNSTREAM NODE ELEVATION - 1241.60 FLOWLENGTH(FEET) - 780.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) 36.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA(CFS) - 48.29 TRAVEL TIME (MIN.) - 1.45 TC(MIN.) - 16.55 FLOW PROCESS FROM) MODE 410.00 TO NODE 410.00 IS CODE = 1 -- - - - - -- - -- ------------------------------------------------ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ssssssssss ssssaesssssss= sssssasssasas ssssssssss ssssssasssass CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.55 RAINFALL INTENSITY (INCH. /HOUR) = 2.50 TOTAL STREAM! AREA (ACRES) = 24.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 48.29 FLOW PROCESS FROM NODE 408.00 TO NODE 408.20 IS CODE = 2 )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( sssss ssssss :sssssss asss ss sassesss:ss�sssssssassssss=sss ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1/4 ACRE) TC s K *L(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1265.00 DOWNSTREAM ELEVATION = 1245.80 ELEVATION DIFFERENCE = 19.20 TC = .393 *E ( 1000.00 * *3) / ( 19.20) 3 * *. 2 = 13.718 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.792 SOIL CLASSIFICATION IS •'A•' SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7374 SUBAREA RUNOFF(CFS) 13.38 TOTAL AREA(ACRES) = 6.50 TOTAL RUNOFF(CFS) = 13.3$ FLOW PROCESS FROM NODE 408.20 TO NODE 410.00 IS CODE = 6 ~ )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA( <( << swsss= UPSTREAM ELEVATION = 1245.80 DOWNSTREAM ELEVATION = 1241.60 STREET LENGTH(FEET) = 500.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DECIMAL) _ .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 13.38 NOTES STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FL061WPTH(FEET) _ .57 HALFSTREET FLOODWIDTH(FEET) = 16.82 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.41 PRODUCT OF DEPTH&VELOCITY = 1.94 STREETFLOW TRAVELTIME(MIN) - 2.45 TC(MIN) = 16.16 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.531 SOIL CLASSIFICATION IS " A " SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7257 SUBAREA AREA(ACRES) = 0.40 SUBAREA RUNOFF(CFS) 0.00 SUMMED AREA(ACRES) = 6.50 TOTAL RUNOFF(CFS) = 13.38 END OF SUBAREA STREETFLOW HYDRAULICSs DEPTH(FEET) _ .57 HALFSTREET FLOODWIDTH<FEET) = 16.82 FLOW VELOCITY(FEET /SEC.) : 3.41 DEPTH *VELOCITY = 1.94 FLOW PROCESS FROM NODE 408.10 TO NODE 410.00 IS CODES 6 ---------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( aesa ssssss assssssss sssss:s ssss sssssssss ssssssssssssssssssssssssssssssssssss�r 25.50 YEAR RAINFALL INTENSITYIINCH /HOUR) a 2.531 SOIL CLASSIFICATION 18 "A" SINGLE- FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT - .7257 SUBAREA AREA (ACRES) = 5.60 SUBAREA RLW40FF (CFS) - 10.65 TOTAL AREA(ACRES) = 12.30 TOTAL RUNOFF(CFS) - 24.03 TC (MIN) - 16. i6 � *� *�► * *���t+ tea+ Hwt��x��a* �s�+[ ��tx* �* �t* ��* ��tx* �t�* ���t�+ ��► �r *� * *���t�t� *�t+t *� *+t��at�at�� FLOW PROCESS FROM NODE 410.00 TO NODE 410.80 18 CODE - 1 )))))DESIGiNATE INDEPENDENT STREAM FOR CONFLUENCE((((( an = =ass:�s::� ssssss ssasasssss ssssssss ssssaasss assssssassssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AREs TIME OF CONCENTRATION(MINUTES) - 16.16 RAINFALL INTENSITY (INCH. /HOUR) a 2.53 TOTAL STREAM AREA (ACRES) - 12.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 24.03 FLOW PROCESS FROM NODE 409.00 TO NODE 410.00 IS CODE = 2 )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ssssss sssss ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1 /4 ACRE) TC - K *[(LENGTH* *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW - LENGTH - 1130.00 UPSTREAM ELEVATION - 1254.00 DOWNSTREAM ELEVATION - 1241.60 ELEVATION DIFFERENCE - 12.40 TC - . 393 *t ( 1138.00 * *3) / ( 12.40) 3 * *. 2 - 16.111 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.536 SOIL CLASSIFICATION IS "A" SINGLE - FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT a .7260 SUBAREA RUNOFF(CFS) 13.25 TOTAL AREA(ACRES) - 7.20 TOTAL RUNOFF(CFS) - 13.25 FLOW PROCESS FROM NODE 410.00 TO NODE 410.00 IS CODE = i )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ssas sssss ssassss a:s sssa: asssssssasssasss ss ssssss ssssssossssssssssssasaasa -a CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 AREs TIME OF CONCENTRATION(MINUTES) - 16.11 RAINFALL INTENSITY (INCH. /HOUR) - 2.54 TOTAL STREAM AREA (ACRES) - 7.28 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 13.25 CONFLUENCE INFORMATIONS STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) MMN------- 1 ----------------------------------------------------------- 48.29 16.55 2.495 ® 2 24.83 16.16 2.531 3 13.25 16.11 2.536 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 85.03 84.43 84.22 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) - 85.03 TIME (MINUTES) 16.548 TOTAL AREA (ACRES) : 44.10 FLOW PROCESS FROM NODE 410.00 TO NODE 420.00 18 CODE = 3 ))) ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( : sssssssssssssss=s s: ssssssssssssssssssssssssssssssss =ssssssssssssssssssssas: DEPTH OF FLOW IN 39.0 INCH PIPE IS 29.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.9 UPSTREAM NODE ELEVATION - 1241.60 DOWNSTREAM NODE ELEVATION = 1232.40 FLOWLENGTH ( FEET) • 670.00 MANN I NGS ESTIMATED PIPE DIAMETER(INCH) = 39.00 PIPEFLOW THRU SUBAREA(CFS) = 85.03 TRAVEL TIME(MIN.) _ .87 TC(MIN.) N = .013 NUMBER OF PIPES = = 17.42 FLOW PROCESS FROM NODE 420.00 TO NODE 420.00 18 CODE = 1 ))) >)HESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < << :sssss: sssss:: sssss: sssssmm: sss ssssass sssssssssasssssssssssssssssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREe TIME OF CONCENTRATION (MINUTES) = 17.42 RAINFALL INTENSITY (INCH. /HOUR) = 2.42 TOTAL STREAM AREA (ACRES) = 44.10 TOTAL STREAM RUNOFFtCFS) AT CONFLUENCE = 85.03 FLOW PROCESS FROM NODE 418.10 TO NODE 418.10 IS CODE = 2 )))) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISt CONDOMINIUM TC = K*t(LENGTH * *3) /(ELEVATION CHANGE)2 * *.2 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1263.00 DOWNSTREAM ELEVATION = 1244.00 ELEVATION DIFFERENCE = 19.00 TC - .359*C t 1000.00* *3) / ( 19.00) 7* *. 2 = 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) _ SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT = SUBAREA RUNOFF(CFS) a 10.72 12.577 2.942 .7752 TOTAL AREA(ACRES) = 4.70 TOTAL RUNOFF(CFS) = 10.72 FLOW PROCESS FROM NODE 418.10 TO NODE 420.00 IS CODE = 6 )> )))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( sss: sssss sssss: sssss:: sssssssssssssssssssssssssssss :ssssssssassssass :sss:arss UPSTREAM ELEVATION 1244.00 DOWNSTREAM ELEVATION = 1232.40 STREET LENGTH(FEET) 800.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) a 32.00 STREET CROSSFALL(DECIMAL) _ .0250 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF a 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 10.7E STREET FLOWDEPTH(FEET) _ .51 HALFSTREET FLOODWIDTH(FEET) = 14.42 AVERAGE FLOW VELOCITY(FEET /SEC.) a 3.86 PRODUCT OF DEPTH&VELOCITY = 1.96 STREETFLOW TRAVELTIME(MIN) = 3.46 TC(MIN) = 16.04 25.50 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.543 SOIL CLASSIFICATION IS " A " SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT a .7263 SUBAREA AREA(ACRES) = 0.00 SUBAREA RUNOFF ( CFS) = 0.00 SUMMED AREA(ACRES) = 4.70 TOTAL RUNOFF(CFS) = 10.72 END OF SUBAREA STREETFLOW HYDRAULICSs DEPTH(FEET) _ .51 HALFSTREET FLOODWIDTH(FEET) • 14.42 FLOW VELOCITY(FEET /SEC.) = 3.86 DEPTH*VELOCITY = 1.96 s+► * st+r+ Est** �►*+ �r+ Hr���t�*** x•* ���* sta F**** �* w�***a t�** x* * * *� * *� *� * *� * * *sr * * * * * *�� * *�� FLOW PROCESS FROM NODE 418.00 TO NODE 420.00 IS CODE = 8 Nl-N--------- --------- l--------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ssssasssssssssssssssssssssssssssssssssss sssssssssssssssasssssssssasssssssasa 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.543 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT = .7634 SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 10.29 TOTAL AREA(ACRES) = 10.00 TOTAL RUNOFF(CFS) = 21.01 TC (MIN) = 16.04 FLOW PROCESS FROM NODE 420.00 TO NODE 420.00 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ssassssssssssssssssss: ssssss ssssssssssssssssssssssssssssssssssssssss : :sasss� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AREs TIME OF CONCENTRATION(MINUTES) = 16.04 RAINFALL INTENSITY (INCH. /HOUR) = 2.54 TOTAL STREAM AREA (ACRES) = 10.00 TOTAL STREAM RUNOFF(CFS) AT.CONFLUENCE = 21.01 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 85.03 17.42 2.420 2 21.01 16.04 2.543 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA (SPCC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 105.02 99.29 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWSs RUNOFF(CFS) = 105.02 TIME(MINUTES) = 17.416 TOTAL AREA(ACRES) = 54.10 �r+ t�aF*** ��► ���xx�aEa f�a F*a E+ E��* �+ E���r* �* �* �+ a�x�* �* ���x• x�� *x*t *x• * * * * *�+� * *��� *��t *� *� FLOW PROCESS FROM NODE 420.00 TO NODE 419.30 IS CODE = 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( ssssssass :: ssssss:: ssasssssssassssssssssssssasssssssasssassssss ssssss :ssssss DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 28.6 UPSTREAM NODE ELEVATION = 1232.40 DOWNSTREAM NODE ELEVATION = 1225.50 FLOWLENGTH(FEET) = 70.00 MANNINGS N s .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = i PIPEFLOW THRU SUBAREA(CFS) 195.02 TRAVEL TIME(MIN.) _ .04 TC(MIN.) _ 17.46 FLOW PROCESS FROM NODE 419.30 TO NODE 419.30 18 CODE = 1 ® )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( sssssssssss sss: s: sssssa: sssssssasasss= ssssssssssssssssssssssssss =ssssss=ssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREe TIME OF CONCE NTRATION(MINUTES) • 17.46 RAINFALL INTENSITY (INCH. /HOUR) = 2.42 TOTAL STREAM AREA (ACRES) = 54.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 103.02 FLOW PROCESS FROM NODE 419.10 TO NODE 419.10 IS CODE = 2 ))) ))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( sssae ssssss�sssssssasassssssssss: sass: ssssssssssssssssasssssss :sssasssss ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISe SINGLE FAMILY (1/4 ACRE) TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)2* *.2 INITIAL - SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1258.00 DOWNSTREAM ELEVATION = 1229.10 ELEVATION DIFFERENCE = 28.90 TC = .393 *E ( 1000.00 **3) / ( 28.90) 3 * *.2 a 12.641 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.933 SOIL CLASSIFICATION IS "A" SIDLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7426 SUBAREA RUNOFF(CFS) a 11.98 TOTAL AREA(ACRES) = 5.30 TOTAL RUNOFF(CFS) = 11.98 FLOW PROCESS FROM NODE 419.10 TO NODE 419.20 IS CODE = 3 ))) ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( assssssss sssssssaesssssssssassss assasassassassssasssasssss :ass: ::ass :ssssssssssss DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.4 UPSTREAM NODE ELEVATION a 1229.10 DOWNSTREAM NODE ELEVATION = 1227.50 FLOWLENGTH(FEET) a 330.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 24.00 PIPEFLOW THRU SUBAREA(CFS) = 11.98 TRAVEL TIME (MIN.) = 1.02 TC(MIN.) NUMBER OF PIPES = = 13.66 FLOW PROCESS FROM NODE 417.10 TO NODE 419.20 IS CODE 8 ))>) >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ssssa ssss sass::: : := 25.00 YEAR RAINFALL INTENSITY (INC:H /HOUR) = 2.800 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT = .7714 SUBAREA AREA(ACRES) 6.60 SUBAREA RUNOFF(CFS) or 18.57 TOTAL AREA(ACRES) 14.10 TOTAL RUNOFF(CFS) or 30.55 TC(MIN) = 13.66 FLOW PROCESS FROM NODE 419.20 _ TO NODE 419.30 16. CODE. = 3 )) )))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)( (((( sss ssssssssss: s=s asssssssssss sssss ssassssssssssasssasas :aa :ssss.ssas :sasssaas DEPTH OF FLOW IN 21.9 INCH PIPE 18 17.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.6 UPSTREAM NODE ELEVATION = 1227.50 DOWNSTREAM NODE ELEVATION = 1225.50 FLOWLENGTH(FEET) : 50.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = i PIPEFLOW THRU SUBAREA(CFS) = 30.55 TRAVEL TIME(MIN.) _ .06 TC(MIN.) = 13.72 FLOW PROCESS FROM NODE 419.30 TO NODE 419.30 IS CODE = i �N�MNNww� NN ��w -------------------------------------- -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES sssssssasssssss :ssssasssssss :ssssssss ssssssssssssssssssssssssssssssssssas :as CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) 13.72 RAINFALL INTENSITY (INCH. /HOUR) = 2.79 TOTAL STREAM AREA (ACRES) = 14.10 TOTAL STREAM RUNOFFtCFS) AT CONFLUENCE = 30.55 CONFLUENCE INFORMATION# STREAM RUNOFF TIME INTENSITY NUMBER tCFS) (MIN.) (INCH /HOUR) 1 105.02 17.46 2.416 2 30.55 13.72 2.793 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWSt 131.46 113.06 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFFtCFS) = 131.46 TIME(MINUTES) = 17.457 TOTAL AREA(ACRES) = 66.20 FLOW PROCESS FROM NODE 419.30 TO NODE 430.00 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((< ) >) >)USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( sssassssssssaasassssassssssss ssssssssss::::::: ssss :sssssassssssssssssassaassa DEPTH OF FLOW IN 48.0 INCH PIPE 16 39.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.9 UPSTREAM NODE ELEVATION = 1225.50 DOWNSTREAM NODE ELEVATION = 1218.00 FLOWLENGTH(FEET) : 850.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 131.46 TRAVEL TIME(MIN.) = 1.19 ' TC(MIN.) = 18.64 FLOW PROCESS FROM NODE 430.00 TO NODE 430.00 IS CODE 1 )) )))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ss+s sass: fnsssssssssssssssssssssssssssssssassssssssssssssssssssassssassssssasss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE# TIME OF CONCENTRATION(MINUTES) = 18.64 RAINFALL INTENSITY (INCH. /HOUR) = 2.32 TOTAL STREAM AREA (ACRES) = 68.20 TOTAL STREAM RUNOFFICFS) AT CONFLUENCE = 131.46 FLOW PROCESS FROM NODE 428.00 TO NODE 428.10 IS CODE = 2 ���------------------------ ----------------------- - - -- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( sssaess :: ssssaesssssssssssas sssssssssssssssssss ADD INITIAL SUBAREA UNIFORM DEVELQiW4ENT 1St CONDOMINIUM TC = K *t (LENSTH"3) / (ELEVATION CHANGE) 3 * *. 2 INITIAL SUBAREA FLOW - LENGTH = 800.00 UPSTREAM ELEVATION = 1235.30 DOWNSTREAM ELEVATION = 1220.40 ELEVATION DIFFERENCE = 15.10 TC - . 359* C ( 800.00+ *3) / ( 15.10) 3 **. 2 = 11.518 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.101 SOIL CLASSIFICATION IS " A " CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT s .7790 SUBAREA RUNOFF(CFS) = 10.63 TOTAL AREA(ACRES) s 4.40 TOTAL RUNOFF(CFS) 10.63 FLOW PROCESS FROM NODE 428.10 TO NODE 430.00 IS CODE 3 )))))COMPliTE PIPEFLOW TRAVELTIME THRU SUBAREA<(((( ) >)))USING COPPUTER- ESTIMATED PIPESIZE (KON- PRESSURE FLOW)((((( sssssssse:: aesss= ssss sssssssssasassssssssssssssssasssss :ssssssassssa=s ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE 16 8.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.5 ® UPSTREAM NODE ELEVATION = 1220.40 DOWNSTREAM NODE ELEVATION = 1218.00 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) 18.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 10.63 TRAVEL TIME (MIN.) _ .07 TC (MIN.) = 11.59 FLOW PROCESS FROM NODE 430.00 TO NODE 430.00 IS CODE _ ! )))))DESI6MATE INDEPENDENT STREAM FOR CONFLUENCE((((( sssssss ssss: ssss: sarsssssssssssssssssssssssssasssssassss ssss :sssssssssssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) 11.59 RAINFALL INTENSITY (INCH. /HOUR) = 3.09 TOTAL STREAM AREA (ACRES) = 4.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 10.63 * �i�tlt* �k1Nt�F�F* �F�F�F�t�F�F�F* �t�F1E�t1t�FiF** IF�EIF * * *�F *�F *�EIF *IE1F * *1F�t * ** �F *�►�F * *IE *�FiE * * *�iF *fit * *�t#E * *iF FLOW PROCESS FROM NODE 429.00 TO NODE 429.10 IS CODE = 2 )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( : ss::: sssa�s::: s s :ss :ss : : : : :ss :s :s :s :ss : :=ss : =� ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K* t (LENGTH**3) / (ELEVATION CHANGE) 3**. 2 INITIAL SUBAREA FLOW - LENGTH = 150.00 UPSTREAM ELEVATION = 1232.00 DOWNSTREAM ELEVATION = !218.60 ELEVATION DIFFERENCE = 13.40 TC = . 393* r ( 150. eS* *3) / ( 13.40) 2 **. 2 = 4.723 COMPUTED TIME OF CONCENTRATION INCREASED TO 5 MIN 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) s 5. lira SOIL CLASSIFICATION IS "A" 8I NGL.E- FAMILY (1 /rt► ACRE LOT) RUNOFF COEFF I C I ENT = .7885 SUBAREA RUNOFF(CF8) s 10.49 TOTAL. AREA (ACRES) i 2.60 TOTAL RUNOFF (CFS) - 10.49 FLOW PROCESS FROM NODE 429.10 TO NODE 430.00 IS CODE = 3 - - - - - -- - NN-- ---------------N--------------- )))))COMDUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))) ) USIms COMPUTER- ESTIMATED PIPESI ZE (NON - PRESSURE FLOW)(((( ssssssssssssss sassssssssassssssss sssssasssssssssssasssssssssssssssaasssssass DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.3 INCHES PIPEFLOW VELOCITY(FEET /SEC. = 4.3 UPSTREAM NODE ELEVATION = 1218.60 DOWNSTREAM NODE ELEVATION - 1218.00 s .013 FLOWLENGTH(FEET) - 200.00 MANNI N ESTIMATED PIPE DIAMETER(INCH = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) s TCt = 5.77 TRAVEL TIME(MIN•) _ • � �x• 4�+ �M�TO* NODE430�@ O�IS�GODE• FLOW PROCESS FROM NO --N -_ M -- ------------ )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( � =s��s sssssssss = =s =s = �� : � :s s 4.695 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) SOIL CLASSIFICATION 18 "A" 8366 NT RUNOFF COIF I C I ENT = COMMERCIAL DEVELOPMENT 40 SUBAREA RUNOFF(CFS) s 1.57 SUBAREA AREA(ACRES) s 12.06 TOTAL AREA(ACRES) +� 3.00 TOTAL RUNOFF <CFS) TC(MIN) s 5.77 r► �* �• x�. �r��x�* ��+ ��* � x �� IS CODE FLOW PROCESS FROM NODE --- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ::=sass=: :asassssssss :ss = STREAM 3 ARE =ss sss:s :�ssss : :ss := CONFLUENCE VALUES USED FOR INDEPENDENT TIME OF CONCENTRATION(MINUTES) s 4.7@ RAINFALL INTENSITY (INCH. /HOUR TOTAL STREAM AREA (ACRES) TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 12.06 �pEN �ii' ??TRATION RATIO ECk4s t EL � VARIOUS COhFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 145.41 100.25 58.04 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS{ RUNOFF (CFS) = 145.41 TIME (MINUTES) 18.644 TOTAL AREA (ACRES) = 75.60 FLOW PROCESS FROM NODE 430.00 TO NODE 397.00 IS CODE = 3 --------------------------------------------------------------------------- > » ))C.OMPUTE DIPEFLOW TRAVELTIME THRU SUBAREA((((( >> >> >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( := a:=s=s== ssss= sss ssssss= ss sss sss ssss sssssssssasssss sssssssssss=sss=sssasr =: DEPTH OF FLOW IN 51.0 INCH PIPE IS 41.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.8 UPSTREAM NODE ELEVATION = 1218.00 DOWNSTREAM NODE ELEVATION = 1216.00 .•. PM t. - .. - ri_UWLtNW'J H (FtE'I ) = 250.00 MANNINGS ' N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = i PIPEFLOW THRU SUBAREA(CFS) 145.41 TRAVEL TIME(MIN. ) _ .35 TC(MIN. ) = 19.00 FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE = i --------------------------------------------------------------------------- )))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( sassssssass sass sssss s asssssss --- sassassessssssssssssssssssssssssssssssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i AREs TIME OF CONCENTRATION(MINUTES) a 19.00 RAINFALL INTENSITY (INCH. /HOUR) = 2.30 TOTAL STREAM AREA (ACRES) = 75.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 145.41 FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE 7 ------------------------ ---------------------------------- )>> ))USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((( ssssasasssssssassssasassssss: s: s ssassssa: sssssssssssasssssssassasss = � USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) a 18.13 RAIN INTENSITY(INCH /HOUR) = 2.36 TOTAL AREA (ACRES) = 28.50 TOTAL RUNOFF (CFS) = 53.23 FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE )) )))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ) > >))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( searsa== saasaaa=== ss+« a======= ssssa ssesssss: sssssssssssssssssssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 18.13 RAINFALL INTENSITY (INCH. /HOUR) = 2.36 TOTAL STREAM AREA (ACRES) = 28.30 TOTAL STREAM RUNOFFICFS) AT CONFLUENCE = 53.23 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------- 1 145.41 19.00 2.297 2 53.23 18.13 2.362 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 197.17 192.01 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS ) = 197.17 TIME (MINUTES) = 18.996 TOTAL AREA(ACRES) = 104.10 FLOW PROCESS FROM NODE 397.00 TO NODE 604.50 IS CODE = 3 ----- -- ------------- ------- --------- -- ----------------- >) > >) COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )) )>) USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( sa = =smsas asses eras: ssasssssasas ss�sssssassssssssssssssssssss :ass DEPTH OF FLOW IN 57.0 INCH PIPE Is 43.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.5 UPSTREAM NODE ELEVATION = 1216.00 DOWNSTREAM NODE ELEVATION a 1209.00 FLOWLENGTH(FEET) = 780.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 197.17 TRAVEL TIME (MIN. ) _ .97 TC(MIN. ) = 19.96 FLOW PROCESS FROM NODE 605.00 TO NODE 604.50 IS CODE = e ------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( = ass =sss = ==s = = = � e :sssss :ass :sss� : : : :sssssas: sass ::assess:: :assess: :ss:ssas 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) SOIL CLASSIFICATION IS " A " SINGLE— FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7089 SUBAREA AREA(ACRES) 14.60 SUBAREA RUNOFF(CFS) = 23.08 TOTAL AREA(ACRES) = 118.70 TOTAL RUNOFF(CFS) = 220,25 TC (MIN) = 19.96 FLOW PROCESS FROM NODE 604.50 TO NODE 604.50 IS CODE = i -------------------------------------------------------- )))))DESIMATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ssssasasssssssasss :assesses::sssssss :sass :ssssssssss:sssss ::sasses CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTRATION(MINUTES) = 19.96 RAINFALL INTENSITY (INCH. /HOUR) = 2.23 TOTAL STREAM AREA (ACRES) = 118.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 220.25 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 220.25 19.96 2.230 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: ® 220.25 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 220.25 TIME (MINUTES) = 19.962 TOTAL AREA(ACRES) = 118.70 sasssossssssssssssass saes sssssss�ss�ss�s s�sssssssssssssssssssssssss :ssss END OF RATIONAL METHOD ANALYSIS H v n out= sr DAU ios n0. al+ccr CF MASTER HYDR OLOGY STUDY JO I S 6 1 3366 l COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINE D * Q 100 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92828.3428 • (714) 841.8777 0 2 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL saws+ ssa= ssssssaasssss= s: ssaasssessass srss.- eassasasassasas= msasmas� ax�szsss=sseaassssasa « « < « < << << « <<<<<<(<{<<<( <<<<4<<<{<<))))))> ))))))))))))) >)))) >)) >))))))))) (C) Copyright 1998 Advanced Engineering Software [AES3 Especially prepared for: HALL B FOREMAN, INC. « << <<< « <<<<<<<<<<<<<<<<<<<<<<<<<<<<(>>>)>>>) > >)) > > > > > > > > > >) > > >)))) > > > >)))> *** * * * ** **DESCRIPTION OF RESULTS• x+ a��+ t* at�rrx *+��x�r *xx�x+�xK�aeac�r�x * FOOTHILL DRAIN HYDROLOGY LINE D INCLUDING LATERAL H * also FROM NODE 401.3 TO NODE 604.5 * JOHN SIMS 11/13/SS 8:47 A. M. J. N. 3366 ---------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------------------------------------------------------------- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .960 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT - 100. 9* 1-HOUR INTENSITY (1 NCH / HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE _ .6000 SRC HYDROLOGY MANUAL "C "- VALUES USED << <4<<<(<<<<<<<{<<<<<<<<{<<<<<{<<<<<<<>>)))) ) >>> > >) > > > > > > > >))) >)))))) >) >) >)) Advanced Engineering Software tAES3 SERIAL No. A0520A REV. 3.1 RELEASS DATE: 5/01/85 *******************• x*********** �l•• it• �•• �•• x•* �t• at* �•**** it• at• r!•• x•* x•• x• �•** * * * * * *�t *�•�t * * * *�t• *�•*at•�t�• FLOW PROCESS FROM NODE 40 1.30 TO NODE 401.30 IS CODE _ 2 ---------------------------------------------------------------------------- ))))>RATIONAL METHOD INITIAL SUBAREA ANALYSIS <<<<< sasisarss= sassarasssssasssamsssaeaarsssas: rrsas ssassassrsssrsarssscssssassrasaassaas _--= _ =a ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 41 ACRE) TC - K *t (LENGTH* *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW- LENGTH - 850.08 UPSTREAM ELEVATION - 1272.60 nnLWa-rD=rkm c, ruOT t nu - I QMc n a TC - . 393* [ ( 850. ews **3) / ( 14.60) 3 **. 2 - 13.144 1@0.55 YEAR RAINFALL INTENSITY(INCH /HOUR) - 3.656 SOIL CLASSIFICATION IS "A" SINGLE- FAMILV41 /4 ACRE LOT) RUNOFF COEFFICIENT - .7640 SUBAREA RUNOFF (CFS) - 17.87 TOTAL AREA(ACRES) - 6.40 TOTAL RUNOFF(CFS) - 17.87 + s+ twst+ t�t�+t+t+a+t+t•+ait�+t�tu•�sc•� �• �t+ i• �• �* �+ ��+ N+ �•+ s��r+<• sl�x •s���+s�•s:��•�+�+Ex•x•x•�••s• �� ��* �• �• � •s•'x•ic•�•+�*•x•�•u•s�x•x•ac• FLOW PROCESS FROM NODE 401.30 TO NODE 401.20 IS CODE 6 )))))COMPUTE STREETFLOW TRAVELTIME THRU SU &AREA <<< << = a= sss= sssasssasssssasasa:=- =a :assssaas+aaaaaa+asaaessaasa es �a :a -a :me �saaaass�rsasas� UPSTREAM ELEVATION - 1258.00 DOWNSTREAM ELEVATION m 1254.00 STREET LENBTH(FEET) = 250.00 CURB HEIGTH<INCHES) = 5. STREET HALFWIDTH(FEET) - 20.00 STREET CROSSFALL (DECIMAL) _ .027fi SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 17.87 NOTEs STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGL.IBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT I9, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .57 HALFSTREET FLOODWIDTH(FEET) - 16.8: AVERAGE FLOW VELOCITY(FEET /SEC.) - 4.55 PRODUCT OF DEPTH4 VELOC I TY - 2.59 STREETFLOW TRAVELTIME(MIN) _ .9i TC(MIN) - 14.06 150.0@ YEAR RAINFALL INTENSITY 4 INCH/HOUR) 3.511 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7604 SUBAREA AREA(ACRES) = 0. 00 SUBAREA RUNOFF (CFS) = 0.00 SUMMED AREA(ACRES) - 6.40 TOTAL RUNOFF<CFS) = 17.87 END OF SUBAREA STREETFLOW HYDRAULICSs DEPTH(FEET) _ .57 HALFSTREET FLOODWIDTH(FEET) = 16.8:: FLOW VELOCITY (FEET /SEC.) = 4. 55 DEPTH*VELOCITY 2.59 FLOW PROCESS FROM NODE 401.20 TO NODE 401.20 IS CODE = 8 ---------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<(<(< sassss=mssaaesssssaemars : sra:ass=sssrassrrmar sssssr: srsssss==a ssaraaass r:zer srsaa carrrr.as =a:cr_assss errs = = a� � sssv 100.00 YEAR RAINFALL INTENSITY ( INCH /HOUR) = 3.511 SOIL CLASSIFICATION IS " A " SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7604 SUBAREA AREA(ACRES) a 5.40 SUBAREA RUNOFF<CFS) - 14.42 TOTAL AREA(ACRES) 11.80 TOTAL RUNOFF(CFS) _ 32.29 TC(MIN) - 14.06 sa+ t�+ E�t�c •x•�t��x•�t�t�[•se•�t•at��c• x•� •� �•�x•��t•� ��•x•u•a�•�•�x• *u• x• �t• *•�• ��e•� � it••x•ie•� �•�••��•x•�• •� * it•+e••s• �• mat• ac•�• �t � �+t•+E * at* *x• FLOW PROCESS FROM NODE 401.20 TO NODE 401.40 IS CODE = 6 ----------------------------------------------------------------•------------- )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA(<<<< asssaaessss- ssssssaesa =sssasFaaasaauaas ffias=sm sa- m:amasac =ars:a=a essas z= =se =su=es= .ssrasassam:ararr:a>« =. UPSTREAM ELEVATION = 1254.80 DOWNSTREAM ELEVATION = 1248.00 STREET LENGTH(FEET) 300.00 CURB HEIGTH(INCHES) S. STREET HALFWIDTH(FEET) - 20.88 STREET CROSSFALL(DECIMAL) _ .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) 3i. 29 NOTES STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. -• •w7• � A A • .• Ai i w• A�A X11•• - .LA.i• A♦ MlI1 t 1'1 �!~h f'f.1•r t'ti HALFSTREET FLOODWIDTH(FEET) a 19.71 AVERAGE FLOW VELOCITY(FEET /SEC.) s 6.03 PRODUCT OF DEPTH&VELOCITY a 3.91 STREETFLOW TRAVELTIME(MIN) _ .83 TC(MIN) = 14.89 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) r 3.392 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7573 SUBAREA AREA(ACRES) a 0.00 SUBAREA RUNOFF(CFS) = 0.00 SUMMED AREA(ACRES) 13.80 TOTAL RUNOFF(CFS) = 32.29 END OF SUBAREA STREETFLOW HYDRAULICSs DEPTH(FEET) = .65 HALFSTREET FLOODWIDTH(FEET) : 19.71 FLOW VELOCITY(FEET /SEC.) a 6.03 DEPTH *VELOCITY 3.91 FLOW PROCESS FROM NODE 401.1 TO NODE 401. 18 CODE a 8 ----------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW(( <<( ssssssssssssssssssaasssssssssss ssssssssssssasssaaassss sssssasssssasasssssssa 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 3.392 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT a .7573 SUBAREA AR €A<ACRES) a 5.50 SUBAREA RUNOFF(CFS) : 14.13 TOTAL AREA(ACRES) a 17.30 TOTAL RUNOFF(CFS) a 46.42 TC(MIN) = 14.89 �t��t�t�t+ t+ t��* a►+ t������x�+ ��t��+ F��t��a����at�t���tx+ ���x�t��x�+ ���+ t��t* +t�x�t�x���- ��t+E��t+��+t+tx PLOW PROCESS FROM NODE 401.40 TO NODE 409.30 IS CODE 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA < < < << )))))USING COMPUTER- ESTIMATED PIPESI7E (NON- PRESSURE FLOW) << < << sssssasssssssssssssssss ssasssassassssssssssssa ssssmssssarr. s:sssassssssssassas s DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.4 INCHES PIP €FLOW VELOCITY (FEET /SEC.) = 10.8 UPSTREAM NODE ELEVATION - 1248.00_ DOWNSTREAM NODE ELEVATION a 1247.50 FLOWLENGTH ( FEET) = 40.00 MANN I NCiS N a .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUSAREA(CFS) s 46.42 TRAVEL TIME(MIN.) a .06 TC(MIN.) r 14.95 FLOW PROCESS FROM NODE 409.30 TO NODE 409.30 ZS CODE a 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<<< sssssssss massassssss: assssssssssa: ssssasssssrass ssssassssssssrsasssssass :ssrass CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTRATION(MINUTES) 14.95 RAINFALL INTENSITY (INCH. /HOUR) a 3.38 TOTAL STREAM AREA (ACRES) r 17.30 TOTAL STREAM RUNOFF<CFS) AT CONFLUENCE - 46.42 o FLOW PROCESS FROM NODE 409.10 TO NODE 409.20 IS CODE := 2 ------------------------------------------------------------------------------ )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS( < < (< sssasassrsssassassssasassssas ss: s: aasssssssaasaarsssrsasasssssssasassaassssssa- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1 /4 ACRE) TC K *t4LENGTH * *3) /(ELEVATION CHANGE)2* *.2 9 &1t T 1 Afi !4l 24 ^9%lef1 CI f%Lg C'Ufl -Pl.1 - 4 AAA AA DOWNSTREAM ELEVATION - 1248.00 ELEVATION DIFFERENCE - l0." TC - 393*E ( 1000.00**3) / ( 10.00) 2**. 2 - 15.630 100.09 YEAR RAINFALL INTENSITY(INCH /HOUR) - 3.295 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT - .7545 SUSAAREA RUNOFF l CFS) = 16.15 TOTAL AREA(ACRES) - 7.30 TOTAL RUNOFF(CFS) - 18.15 �t�tu• ���sratit+ tst�r +►�t�t�+t+t+t+t+r�•+tatitar sFSt�� +t�a�•st�t�•�•�tsa+E+Far�+t•+ tsar*• �• �* �• ��•, �+ E�•* � •�t•>F�•x•aaa����• *�it�t• *�+tx• FLOW PROCESS FROM NODE 409.2-8 TO NODE 409. 38 IS CODE ■* 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(<<(< )))))USING COMPUTER- ,ESTIMATED PIPESIZE 1NON- PRESSURE FLOW)<<<<< ! J! S!l itit i!ll iiiisiii7 t =ailii[rJ�ai =ilaiiRiiiiiaiiii rJRilirtfiisiraiifr riJRS=Oiliiiriiri0 DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 8.6 UPSTREAM NODE ELEVATION - 1248.00 DOWNSTREAM NODE ELEVATION - 1247.50 FLOWLENGTH ( FEET) - 40.00 MANN I NGS N - .013 ESTIMATED PIPE DIAMETER(INCH) - 24.00 NUMBER OF PIPES 1 PIPEFLOW THOU SUBAREA(CFS) - 16.15 TRAVEL TIME (MIN. ) - .08 TC (MIN.) - 15.71 +r at � � +♦ �r st at �t at +r+t st+r+t �r � � �t it at +<• �t at �r �r � •� it at �t �r �r �r +t +t• �t +r+r+r �r +t � �r �• x• +t +t x• �r �r � x• +t +�• at •� � � •� �t at it +t �r x• x• at it •� at � � x• �t �• FLOW PROCESS FROM NODE 409.30 TO NODE 409.38 IS CODE - 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<<< )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES << < (< ssswsssasss- ssssssssssssssssss- isss- Sass sassssssaasass :assrass :rr :srsrasssarsss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AREs TIME OF CONCENTRATION(MINUTES) - 15.71 RAINFALL INTENSITY [INCH. /HOUR) - 3.29 TOTAL STREAM AREA [ACRES) r 7.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE s 18.15 CONFLUENCE INFORMATIONS STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) [INCH /HOUR) ------------------------------------------------------------------- - - - - -- 1 46.42 14.95 3.384 2 18.15 15.71 3.285 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO 'FORMULA(SRC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWSs 63.69 63.21 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWSs RUNOFF(CFS) - 63.69 TIME(MINUTES) - 14.951 TOTAL AREA(ACRES) - 24.60 �r�r�r�t+r�r�t�r� tit *�r�r *�t�t�t+ rant+ r�t�r+ t�t�tarat�t+ t�rrtar�t�t +t+t+r�t+tx•�•�r+t�r�•�r+t �t+ r +t�•+tx••at+t�c•+r�r�r+r�•�r *�r �••�t�t�r�at+r�r+tx•+t FLOW PROCESS FROM NODE 489.30 TO NODE 410.00 IS CODE - 3 ---------------------------------------------------------------------------- >)))> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA < <( << �. ))) >)USINGi COMPUTER- ESTIMATED PIPESIZE [NON- PRESSURE FLOW) < < <(( =: iasssssssiisiaaisis- alissassiisassiasisssmsissr rssssas ss :rssearmssass aracss:�aaar DEPTH OF FLOW IN 39.0 INCH PIPE IS 29.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) r 9.6 UPSTREAM NODE ELEVATION - 1247.50 DOWNSTREAM NODE ELEVATION - 1241.60 PIPEFLOW THRU SUBAREA(CFS) = 63.69 TRAVEL. TIME (MIN. ) - 1.36 TC (MIN. ) 16.31 + tae• **• * * *** u•• ��tx• ��• �• at• �a�• ��•: a�• �t• it•: t• �• ����•+ t�+ t• ���*• a• �u• �a :a * *�t�a•���it•it•�t•�•it•+e•� x•+ �• ��a• �• �: ax•�t•�e•�+c•:t••��c• *x•ic•aa� FLOW PROCESS FROM NODE 4101.00 TO NODE 410.00 IS CODE 1 ---------------------------------------------------------------------------- )) >))DEfiIGNATE INDEPENDENT fiTREAM FOR CONFLUENCE<<<<< sassaasssss aseasssas : :ssasasaxsaxs assess: assssaasss ssmsss'sasssssssssss:s CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTRATION(MINUTES) 16.31 RAINFALL INTENSITY (INCH. /HOUR) 3.21 TOTAL STREAM AREA (ACRES) = 24.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 63.69 ik4!•1E�!• iF * iF i!• �t 1!• •i! iF iE ik •iF iL• •1!• i4 il•i!•ik i!• �!• iF i!•it i!•i!• It �iF iF � iE •lE iF�I• iF iF iF1F•ik iF i!• iE IF *iF iF�l• iF iF iF if il• i! ik iki! it iF ik iF it•�1!• il• i!• �I•iE ii• iF ik ik iF iF i!• il• FLOW PROCESS FROM NODE 408. TO NODE 4 IS CODE 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS <<< << :sssxacasssarar sssssmsas =aa: =ssasssasmamaasssasa rxasasssarcr ..ssarasxrssassarsasaaxs : :s ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY 41/4 ACRE) TC = K *t(LENGTH * *3) /4ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW- LENGTH = 30+00. UPSTREAM ELEVATION = 1265. DOWNSTREAM ELEVATION = 1245. ELEVATION DIFFERENCE = 19. i0 TC = . 393 *t ( 1 000. 00 * *3) / ( 19.20) 3 * *. 2 = 1:3.718 100. YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.563 SOIL CLASSIFICATION IS " A " SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7617 SUBAREA RUNOFF = 17.64 TOTAL AREA (ACRES) _+ 6.50 TOTAL RUNOFF(CFS) = 17.64 st•• n•**• �• �e•*• �* �c•** ae• �•****• x• x•*+e• x•• �•******• x•+ c****• x•*+ t•***• �•** u•**+ �•*+ a*• x•• �* ac•*• is •�• * * *•x• * * * *ic•x•�• *�• * *•�e•* FLOW PROCESS FROM NODE 408.20 TO NODE 41 IS CODE = 6 ----------------------------------------------------•------------------------ )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA <<<<< sssssaarssaasssssana sees= xss :ar..asasssssssaassa. -sxaax = sassasaxssss =aarasasmssxss =x UPSTREAM ELEVATION = 1245.80 DOWNSTREAM ELEVATION = 1c ^41.60 STREET LENGTH(FEET) 500. CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DECIMAL) a .0272+ SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 1 * *TRAVELTIME COMPUTED USING MEAN FLOWICFS) = 17.64 NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) - .62 HALFSTREET FLOODWIDTH(FEET) = 18.55 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.71 PRODUCT OF DEPTHRVELOCITY = c.29 STREETFLOW TRAVELTIME(MIN) = 2. 25 TC(MIN) = 15.97 100.00 YEAR RAINFALL INTENSITY(INC /HOUR) = 3.::53 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7533 SUBAREA AREA(ACRES) 0. ee0 SUBAREA RUNOFF(CFS) = 0.00 SUMMED AREA(ACRES) 6.50 TOTAL RUNOFF(CFS) 17.64 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .62 HALFSTREET FLOODWIDTH(FEET) 18.55 FLOW VELOCITY(FEET /SEC.) - 3.71 DEPTH *VELOCITY = 2.29 +t+a+�•+��t+E*•* *�•* * * ** *** �►* at** �t+ t+ E+ �•* i► at**** s► �• �►* �► �t�+ t* ��► �ti► ��t�t* �t+E�trt�t�t *�r� * *+E��t• *�►i►�t * *a►� � FLOW PROCESS FROM NODE 408.10 TO NODE 410.00 IS CODE +n e ---------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((( << ssas assaes +sessassssss :ssssassaassaas sss :sssssssssssssssss=sssss sss =s sssssasaaaa 100.00 YEAR RAINFALL INTENSITY4INCH /HOUR) = 3.253 SOIL CLASSIFICATION IS " A " SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT - .7533 SUBAREA AREA 5.80 SUBAREA RUNOFF - 14.21 TOTAL AREA a 12.30 TOTAL RUNOFF 31.96 TC (MIN) - 15.97 ����+ t• +t+s+t+t+t• *+ait+r�t•r *st•�t *it **st * * *�►�•ic•+�+t•�t•�at�•���• ate* �at+t+t+t•�tat�t��•���•�x•�• *� �+a+N�•it•� x•�t�at•�t•� at+t•�t•+i• FLOW PROCESS FROM NODE 410. TO NODE 410.00 IS CODE 2 ---------------------------------------------------------------------------- ))) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE << < << do= sassaasaaaassssaassasssas asasaaaassaassssa saaaasasa :aassaaass : s+asassssa : :s CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AREs TIME OF CONCENTRATION(MINUTES) - 15.97 RAINFALL INTENSITY (INCH. /HOUR) - 3.25 TOTAL STREAM AREA (ACRES) : 12.30 TOTAL STREAM RUNOFF4CFS) AT CONFLUENCE - 31.86 **• ��a+ � +t•+t+ait�itx•��tit•+tit��it•�• pit •��at�t•��•u•�•it�•it•st•it•st• �•+tx•+t•+t+E�• wit• �t• x•+ t• x• �a�* itx• �t• itit+ f�• �. � •+tx•+t•�t•�itat��tit�t•itat•�• FLOW PROCESS FROM NODE 409.00 TO NODE 410.00 IS CODE = 2 ---------------------------------------------------------------------------- )) )))RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<(< s: sarssasaas :sr sssacasamssxasesassasss aassssx :aa : :assasss =ssaaasasas x.•�saasassssssssas ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY 41/4 ACRE) TC = K *t(LENGTH * *3) /{ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW- LENGTH = 1130.00 UPSTREAM ELEVATION = 1254.00 DOWNSTREAM ELEVATION •= 1241.60 ELEVATION DIFF=ERENCE = 1::.40 TC - . 393 *E ( 12. 40) 3 * *. ^• = 16.111 1". YEAR RAINFALL INTENSITY ( INCH. /.40UR) = 3.23S SOIL CLASSIFICATION IS "A" SINGLE - FAMILY (1 /4 ACRE LOT) RUNOFF COEFFICIENT - . 7SC-6 SUBAREA RUNOFF4CFS> - 17. TOTAL AREA (ACRES) = 7.20 TOTAL RiJNOFF (C FE) 17. 54 �t•• aE*** �t-******* �•**** ia****+ �*********** �•+ �•* �• �•** � ••�•� *a� *�• * *�a�a�••x••x• *�•a� * * *•��•�r•x• *.� *,�. *.s. *.x.ae• FLOW PROCESS FROM NODE 410.00 TO NODE 410.00 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE (< < <( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES( <(< axsssassrsasssaasas: sarrsssssssas ssaxm•aasaaersaaraaaxasxa = == r_srxsxssaxxxxs.= axssx.- r_�c_•: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 AREs TIME OF CONCENTRATION(MINUTES) - 16.11 RAINFALL INTENSITY (INCH. /HOUR) = 3.::4 TOTAL STREAM AREA 4ACRES> - 7.20 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE •= 17.54 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) 4INCH /HOUR) 1 63.69 16.31 3. 21: C. . 31. S6 15.97 3.253 3 17.54 16.11 3.235 FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 112.55 111.58 112.13 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) - 112.55 TIME (MINUTES) a 16. 31 1 TOTAL AREA(ACRES) - 44.10 *•�•� a�• *at• *�tit•�t at•+t•aa�t* �t** *x•�c•ac•* � �,� x•*•u••x•x• *�• �•�• * � �• * ** * �• •� * ** •x••�t• ae•aa *u•x••r.•* �• * •K• �• at• *ac• * •� *at•+a *+t•*• *+�• ** * FLOW PROCESS FROM NODE 410.00 TO NODE 410.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW.TRAVELTIME THRU SUBAREA( < (<< )))))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLDW)(( <<< as+ sssaarssaaaaasues: asrascaasaaasassFaassasra :tassaasaaaszs-= »asrsa= = asrr » »rs- ssassaa- DEPTH OF FLOW IN 42.6 INCH PIPE IS 33.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 13.6 UPSTREAM NODE ELEVATIDN = 1241.60 DOWNSTREAM NODE ELEVATION - 1232.40 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CPS) 312.55 TRAVEL TIME (MIN. ) » .82 TC (MIN. ) z 17.1 *• vita t• u• �a*+ t• �t•• �•**•*** at•* at• x•****• �• �•**• �* �•** �• ��•**• �• �• �*************• �+ �•*** x• ie•* �• re• *at•�at••k• *•r.• *at••x•at•** FLOW PROCESS FROM NODE 420.00 TO NODE 4.'_'0. 00 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < << seas: arraaesarassa aasassssasssas»s szxssr s-. rarrsssxss: csssas.- v_sasa=ass= srssss:s =a= .- r_a=a= s.=r= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) » 17.13 RAINFALL INTENSITY (INCH. /HOUR) = 3.1E TOTAL STREAM AREA (ACRES) = 44.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11.'3.55 �• �*: t•*• x• at• �t• �t• �• ic• at•• x•*** �• x•** �• �• �*** �e•*• �***• �!•**• �•• ��•+ �•• � •� * * *�•��••�•x• * *+c •u•x• *�•• gat• •� * * * *�e•at• * *�•a!•at••x••x• * ** FLOW PROCESS FROM NODE 41S.10 TO NODE 418.10 IS CODE = 2 )))))RATIONAL METHOD INITIAL SUBAREA ANALVSIS<<< << ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: CONDOMINIUM TC - K *t (LENGTH* *3) / (ELEVATION CHANGE) ]**.2 INITIAL SUBAREA FLOW- LENGTH - 1000.00 UPSTREAM ELEVATION = 1263.00 DOWNSTREAM ELEVATION = 1244.00 ELEVATION DIFFERENCE = 19.0421 TC = . 359* r ( 1000. 00*• *3) / ( 19.0+2) .I * *. 2 = 12. 577 100.00 YEAR RAINFALL INTENSITY ( INCH /HOUP) = 3.754 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT = .793.4 SUBAREA RUNOFF(CFS) = 13.96 TOTAL AREA(ACRES) - 4.70 TOTAL RUNOFF(CFS) 13.96 �** �a**•** �*•* �•*+ t* �•***• �•* �** is�•*** �• �• *�• *�•ac• * *+�• *+tac• *x•x•�• *• s ac•* • �* x• at• �•• ��•* � •�• *•x• *�• **• *•��•�•�•�••�•x• ** FLOW PROCESS FROM NODE 416.10 TO NUDE 420.00 IS CLYDE = 6 ___-------------------------------- ____---- _--- •----------------------- • - -._._ _____._ _ )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA << < << a: Qassasassaaas:» a:. sasassassssss; cssisa= a.= ssaxssa= raas�rs.:•a.= :._:ssz:•rr_ =s =r= = .rc._a. -. -__ UPSTREAM ELEVATION ae 1244.00 DOWNSTREAM ELEVATION = 1232.40 STREET LENOTH(FEET) 800.00 CURB HEIGTH(INCHES) _ S. STREET HALFWIDTH(FEET) - 3.00 STREET CROSSFALL(DECIMAL) _ .0250 cftcrrT=T=n wulmsbg:o rW "Cal =calm lro r_Z032V7AM !?!lA1t1;:fi s 2 STREET FLOWDEPTH(FEET) _ .54 HALFSTREET FLOODWIDTH(FEET) a 15.83 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.22 PRODUCT OF DEPTH&VELOCITY - 2.29 STREETFLOW TRAV£LTIME<MIN) a 3.16 TC(MIN) = 15.74 jft 100.00 YEAR RAINFALL INTENSITY (INCH /HOUR) - 3.2e1 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7541 SUBAREA AREA(ACRES) = 0.00 SUBAREA RUNOFF(CFS) - 0.00 SUMMED AREA(ACRES) = 4.70 TOTAL RUNOFF (CFS) a 2 3. 9f1 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTHIFEET) _ .54 HALFSTREET FLOODWIDTH(FEET) 15.83 FLOW VELOCITY(FEET /SEC.) - 4.22 DEPTH*VELOCITY = 2.29 FLOW PROCESS FROM NODE 418,00 TO NODE 425.00 19 CODE = 8 --------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW(((<< sssssssssssarsssassssssss ss asss: s:s sssssssasssaaaaass :a ssrrasssasssaa 100.00 YEAR RAINFALL INTENSITYIINCH /HOUR) = 3.281 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT - .7829 SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF<CFS) = 13.61 TOTAL AREA(ACRES) 10.00 TOTAL RUNOFF (CFS) 27.5s TC(MIN) - 25.74 w+ t+►+ hit�t�t+ t+ t�t��* ��t�t• ��t��+►+ t+ t+ E+ t�• �t•+ a�tu• x• �• �rx• �• ��• �• ������� +f�c•it•�•,��•x•it•at•��� ���� ��t�+e��•ia� * x•+t+a*•� as FLOW PROCESS FROM NODE 420." TO NODE 420.00 IS CODE - 1 )))))DESIGNATE INDEPENDENT - STREAM FOR CONFLUENCE <( < (< --------------- - - - - -- ) >)))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<(<( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) 15.74 RAINFALL INTENSITY (INCH. /HOUR) = 3.2a TOTAL STREAM AREA (ACRES) = 10.00 TOTAL STREAM RUNOFF<CFS) AT CONFLUENCE - 27.58 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ------------------------------------------------------- 1 112.55 17.13 3.118 P 27. 58 15.74 3. c ^ 81 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 138.76 130.9a COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWSs RUNOFF(CFS) - 138.76 TIME(MINUTES) = 17.131 TOTAL AREA(ACRES) = 54.10 FLOW PROCESS FROM NODE 420.00 TO NODE 419.30 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <( <(< )))))USING COMPUTER - ESTIMATED PIPESIZC (NON- PRESSURE FLOW)( (((( sssssss: ssssssss ssssssssssssssaass: ssssssssssssassssasss ssasss =- sassaaaasa DEPTH OF FLOW 1N 33.0 INCH PIPE IS 23.5 INCHES DOWNSTREAM NODE ELEVATION a 1225.50 FLOWLENOTH(FEET) = 70.00 MANNINGS N .013 ESTIMATED PIPE DIAMETERIINCH) 33.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREAICFS) 138.76 TRAVEL TIME(MIN.) _ .04 TC(MIN.) 17.17 �t�t+ E���+ t+ a+ Faf ��t�* �• t��+ t��sr�st�t +f��at�aE��t�+E�+t�t•+Ex stu• at�u• ��it• �x• ��x+ t*• x• �• x�t •�+r+t�x•��it•��st• *�it•it•+f *� FLOW PROCESS FROM NODE 419.30 TO NODE 419.30 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( �sasasasa�sasssaRSSSSSSaaaassasssssssssassasasaaasam :a :sassssssaasssssass :saga CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTRATION(MINUTES) a 17.17 RAINFALL INTENSITY (INCH. /HOUR) a 3.11 TOTAL STREAM AREA IACRES) a 54.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE a 138.7E st �t•* �sat��t +tst�tstat•tt� *�������sr��►* mat***• �* �* * *�� * * * *st *� *�� * *�����► *� *� *� ** *wit * *�t * * * ** FLOW PROCESS FROM NODE 419.140 TO NODE 419.10 IS CODE _ 2 r------------------------------------------------------------------------ )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( sssssssa sasassssasraaaraaa sssaassaes s saasrsrssasssssa scaarassaaaass arsssasaasassasas ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT ISs SINGLE FAMILY (1/4 ACRE) TC = A*C(LENGTH * *3) /4ELEVATION CHANGE)3 **.2 INITIAL SUBAREA FLOW -- LENGTH a 1000.00 UPSTREAM ELEVATION = 1258.00 DOWNSTREAM ELEVATION =� 1229.10 ELEVATION DIFFERENCE = 28.90 ® TC = . 393 *t ( 20NtZ+. 00 * *3) / ( 28. 90) 7 * *. 2 - 1.^-_. 641 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.74 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT a .7660 SUBAREA RUNOFF(CFS) 25.77 TOTAL AREA (ACRES) = 5.50 TOTAL RUNOFF (CFS) = 15.77 + a• tt•* st•* �•*** x•*«•************ x•**** �c•***** x•**• �**•* at•* at•• x�e•* �•* + t• �• x**• t�ac• it•*+ c* •�t•�• *ie• * *�c•�t * *u•�t••x• *at• FLOW PROCESS FROM NODE 419.10 TO NODE 419.:?O 19 CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(( ) >) >)USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( sasasa sssassassasssrss s sous :assotsssaassssa eases :asraas DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.s UPSTREAM NODE ELEVATION a 1229.20 DOWNSTREAM NODE ELEVATION - 1227.50 FLOWLENGTH ( FEET) = 33 0.00 MANN I NGS ESTIMATED PIPE DIAMETER(INCH) = 27.00 PIPEFLOW THRU SUBAREA(CFS) 15.77 TRAVEL TIME (MIN.) _ .95 TC (MIN. ) N s .013 NUMBER OF PIPES r = 13. 59 1 sass * �t�t• at•* ic•+ t• �t•* tE• �a*+ t• �t• is •�t••tttt *ac• *�t• * *+t•x• *it* x• * * * *•�t it•+t+tit••t� * *•x• * *•x•�t* it• ac• x* �•*• r•**• tt•*** x•*+ �• *•tt••tE+t•at•+t+t�t• *�t• *it• FLOW PROCESS FROM NODE 417.10 TO NODE -- 419.29k IS CODE 8 - = -- ----- - - - - -- - - )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ssess�s :ssssssas ssassass =ssssaasssssra :sears :as�saaasassaesass assess s :a :ssssasaas a 1040.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.583 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT = .7886 SUBAREA AREA(ACRES) 8.60 SUBAREA RUNOFF(CF5) a 24.30 ,rnrcu 9108:01 Mt^_ars) a 14 - t a TOTAL atJNtt1FP [ f-'PS) s ADL &7 ���+ E��t���tx�������x��+ F����t�����at�t�t�+ f�����+ t�+ t��xat��+ t+ a��► �atx�tx� ►�+►�rt�itit+r+���t *��r��x FLOW PROCESS FROM NODE 419.20 TO NODE 419.30 IS CODE = 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA < < < (( )))))USING COMPUTER - ESTIMATED PIPES12E (NON- PRESSURE FLOW)<(((< aassssssss ssssssassssssssss: sss sssaassaas: s: sasssssaassassssasasssssassssa sa DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 15.9 UPSTREAM NODE ELEVATION - 1227.50 DOWNSTREAM NODE ELEVATION - 1225.30 FLOWLENGTH(FEET) - 50.00 MANNINGS N - .013 ESTIMATED PIPE DIAMETER(INCH) - 24.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREA(CFS) a 40.07 TRAVEL TIME (MIN.) - .05 TC (MIN.) - 13.64 FLOW PROCESS FROM NODE 419.30 TO NODE 419.30 IS CODE - 1 ---------------------------------------------------------------------------- )))))DESZaNATE INDEPENDENT STREAM FOR CONFLUENCE(( < <( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( = assssassssasssssassasssaasssssmaas sss: srs- assssssaeasass :sssasssssssaassssssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AREs TIME OF CONCENTRATION(MINUTES) - 13.64 RAINFALL INTENSITY (INCH. /HOUR) - 3.58 TOTAL STREAM AREA (ACRES) - 14.10 TOTAL STREAM RUNOFF<CFS) AT CONFLUENCE - 40.07 CONFLUENCE INFORMATIONS STREAM RUNOFF TIME INTENSITY NUMBER ---------------------------------------------------------------------------- (CFS) (MIN.) (INCH /HOUR) 1 136.76 17.17 3.114 E 40.07 13.64 3.=175 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWSs 173.66 150.31 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWSS RUNOFF(CFS) - 173.66 TIME(MINUTES) - 17.169 TOTAL AREA(ACRES) - 68.20 ��+ F�+ F+E+t+�ta+t�t����+�x- �����+t+� �t��+ tit+ t�+ t�at�����tx��i►* xx��t��* �+ ��uxx� +��+c�x�St�����t������ FLOW PROCESS FROM NODE 419.30 TO NODE 430.00 IS CODE 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <( < << )))))USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)(( <(( rsasssss:ssasssaa sssarsamsay: sassassasass s :sassssssassseasssassy saasssassssss at DEPTH OF FLOW IN 54.0 INCH PIPE IS 42.6 INCHES PIPEFLOW VELOCITY(FEET /SEA.) - 1, UPSTREAM NODE ELEVATION - 1225.50 DOWNSTREAM NODE ELEVATION - 1218.00 FLOWLENGTH(FEET) - 850.00 . MANNINGS N - .013 ESTIMATED PIPE DIAMETER(INCH) 54.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREAICFS) - 173.66 TRAVEL TIME (MIN.) - 1.10 TC (MIN.) Q 18.27 FLOW PROCESS FROM NODE 43 TO NODE 430.00 IS CODE - 1 ssssssssssaassa sssssssssssasssssssssasssassssssssssssssasss =ssssssssssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) 18.27 RAINFALL INTENSITY (INCH. /HOUR) 3.00 TOTAL STREAM AREA (ACRES) - 68.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 173.66 n �t�it• it• �t• at** �t • * * *at• * *+t• *ia�tu•at�it•x•at *** �t•* ��x• �•* a•* a****** �t•+ �**+ E+ E* * at* it • *,x• *ar * * * * *it•�t•�t * *+f * * *�•� FLOW PROCESS FROM NODE 428. TO NODE 428.10 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS <<< sasasssssssssssassssa :ass sass: sass: ease: sssasr ssaassssssasssssasassss =ssssssmm ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: CONDOMINIUM TC - K *t(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW - LENGTH - 800. UPSTREAM ELEVATION - 1235.50 DOWNSTREAM ELEVATION - 1220.40 ELEVATION DIFFERENCE - 15.10 TC - . 359 *t ( 800. * *3) / ( 15. 3* *. 2 - 11.518 1 0x+. 0 0 YEAR RAINFALL INTENSITY /HOUR) - 3.957 SOIL CLASSIFICATION IS " A " CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT - .7944 SUBAREA RUNOFF(CFS) - 13.83 TOTAL AREA(ACRES) - 4.40 TOTAL RUNOFF(CFS) - 13.83 FLOW PROCESS FROM NODE 428. ! A TO NODE 430.89+ IS CODE - 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<(<< ) >) > >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)<< < << sasssssssssasasssssa :s -sa s s ass sssssssaxrasssas :s s: ass :s s ssssssasaassasatscasaxas :ssca: DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 13.4 UPSTREAM NODE ELEVATION - 1220.40 DOWNSTREAM NODE ELEVATION - 1218.00 FLOWLENGTH (FEET) - 50.00 MANNINGS N .013 ESTIMATED PIPE DIAMETER(INCH) _ !8.00 NUMBER OF PIPES A+ 1 PIPEFLOW THRU SUBAREA(CFS) - 13.83 TRAVEL TIME (MIN. ) - .06 TC (MIN. ) as 11.58 FLOW PROCESS FROM NODE 430. 09+ TO NODE 430.00 IS CODE 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < << sa: ssssssasssssxrasasss scssassaaaessr :ca:saesasaa =sssasssrscssssr csazrrassssssssssssacsas CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AREs TIME OF CONCENTRATION(MINUTES) - 11.56 RAINFALL INTENSITY (INCH. /HOUR) - 3.94 TOTAL STREAM AREA (ACRES) - 4.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 13.83 * * *at• �� �t•�t• * *ia * * *+t � -�•�e• � ic••�� � x• �•x•� * x• �•* �•� at•�•�•�• •�r� •x•� �e•�•�•�•� x• *+�•�t• � at••��� �••�t•�••�� a�•+a�•�t •x•�•it•�� *�t•��x•��a�• FLOW PROCESS FROM NODE 429.00 TO NODE 429.10 IS CODE a: 2 )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS << < << scsxsassssrasxxxasxsaxr .- sx:ssaxsasx = zcasec =a:_ r_acr. ».s » »s..__ ._.�.= a: ».=» z:.�x.�.- =.- _.cs_�. ~axes. =_. ASSUMED INITIAL SUBAREA UNIFDPM DEVELOPMENT IS: SINGLE FAMILY 41/4 ACRE) TC - A *t(LEN0TH* *3) /(ELEVATION CHANGE)9 * *.2 DOWNSTREAM ELEVATION a 1216.60 ELEVATION DIFFERENCE = 13.40 TC - 393* I ( 150. 00**3) / ( 13.40) 3 **. 2 COMPUTED TIME OF CONCENTRATION INCREASED TO 5 MIN. 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) SOIL CLASSIFICATION IS " A " SINGILE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT .8016 SUBAREA RUNOFF(CFS) 13.61 TOTAL AREA(ACRES) = 2.60 TOTAL RUNOFF(CFS) = 13.61 ������►* ���** at* ���* � �* ��r• �r��r�c•+ t* �•• �����• �• ���•* ���• ac• ��c• ac• �a• ����• ��• �• x• �c• �•• �• as •�r•�ac•�•�•�ras•�+a*•���aa•��• FLOW PROCESS FROM NODE 429.10 TO NODE 430.00 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA( <l<< )))))USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW)<<<<< sears: assssaiassasarrsssasasssssrams• assssssssss= sass= sssmrasaaassassaser�sasas� :sas. -sss.= saga DEPT OF FLOW IN 27.0 INCH PIPE IS 18.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 4.6 UPSTREAM NODE ELEVATION = 1218.60 DOWNSTREAM NODE ELEVATION s 1216.00 FLOWLENGTH ( FEET) a. 200. MANN I NGS N ar .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SURAREA(CFS) = 13.61 TRAVEL TIME(MIN.) s .72 TC(MIN.) = 5.72 FLOW PROCESS FROM NODE 430.00 TO NODE 430.024 IS CODE s 8 ---------------------------------------------------------------------------- ))) > >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW < <(<< ssssssa =ss =sssrrsssesasxas: mssw srsssssserer��astessasassaarseaasmsaaaseassa- x- .a�•xaa == cass. -r= 100.00 YEAR RAINFALL INTENSITY(INCH /HDUR) 6.024 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT a .8396 SUBAREA AREA(ACRES) _ .40 SUBAREA RUNOFF(CFS) = TOTAL AREA (ACRES) 3.00 TOTAL RUNDFF (CFS) s= 15.63 TC (MIN) a 5.72 w• ��• �• �+ t• �x• �x• �* �• ���x•• �• �• �• �*•+ ���• ��• ic• ae• x•• �+ �• ae•• �• �• �* ��•• �• �• �•• ��• �• �x•* ac•**• ���• �• �•+ tat�� •�•�•x•x••�•�•�ia * *•x•�at�••��• FLOW PROCESS FROM NODE 430.00 TO NODE 430.00 IS LODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<l<< )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES( <l << aassassssaae: rarrsesssses�scasxra• ssrsssesessssrasrrs�sssr :mss:rs,:srsarssa�ssr_ra�� rzassrss:vs= ssrs := _«: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) - 5.7 RAINFALL INTENSITY (I NCH. /!-LOUR) a 6.02 TOTAL STREAM AREA (ACRES) - 3.00 TOTAL STREAM RUNDFF(CFS) AT CONFLUENCE = 15.63 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 173.6E 18.27 3,001 l 2 13.63 11.56 3.944 3 15.63 S. 7ie 6.W4 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SRC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS; 191.97 134.16 76.82 n�bdr%l %.rrr. rrA1Cl 12tllu+r Cf3Ir Ir &A lrG n nnc nom+ r ho n_c+ _ TOTAL AREA(ACRES) m 75.60 ��+ t+ t��tat�t���• �t�+ a�r��* �• x• x• ����r���x• �• ���• x• +��• *�+ter*•�•+t�•�•����•ire•x• wit• ���t• �• �� •���t��••�•�•�a�•�x+�+:�•r•�• FLOW PROCESS FROM NODE 430.00 TO NODE 397.00 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(({(( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) < < (<< mssssassmssssssssassssassssmmss :s smsmasamar ers :rsam:eassasss am a arrs. ssmssmamamam+asa =:n DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 12.7 UPSTREAM NODE ELEVATION - 121S.00 DOWNSTREAM NODE ELEVATION - 1216.00 FLOWLENGTH(FEET) - 250.00 MANNING! N - .013 ESTIMATED PIPE DIAMETER(INCH) :< 57.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBnREA(CFS) - 191.97 TRAVEL TIME (MIN.) _ .33 TC (MIN.) - 18.60 �a��t�t +t�+t���+sat•�•ire•x•it•+a• pie• �x•• ��•• ���a!• at•• x•�•x••�•�+t�•+t•�•+t�•�•�•�ae• x•+t�•�r•�•�r•�a�+i• x•ac•�•+� �•�•x•*•�r�x•��+i•+c•ar ���r�•�� FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE re 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE{{({{ smassmsass: sasses: m s-- ssasmmsassssssmras== ssaasss- sera_s c ss .•ms= scea+�casassa sasssrsssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) - 18.60 RAINFALL INTENSITY (INCH. /HOUR) _ ?.97 TOTAL STREAM AREA (ACRES) - 75.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 191.97 : a�a��+ �• �t��t• �* �• at�a�a��+ t+ E+ t• �• �• x• x•• ��• �• �• �t• �• �• x• ��x•• ��• �• x• x• it• �x• x•+ ta•• �• u•• �• �x•• �• ��•• �*+ r�• �t• �t•+ fia+ �• a��• �tat•�e•�•�c•x��• *+�•+t�a�••r.• FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE = 7 )) )))USER SPECIFIED HYDROLOGY INFORMATION AT NODE < < <<< ssssmssmsssaseserarassssssss :sees :mxasassxsarxx : rsxxsrs » == ss == src =ssa USER- SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) - 17.89 RAIN INTENSITY(INCH /HOUR) = 3.04 TOTAL AREA(ACRES) - 28.50 TOTAL RUNOFFICFS) = 70.44 �a�+t•�t��+t•�t• �+t *•�t•x•:r *•�t•u• it• * itit ac• x• •� �e•aE�t+E itx•� �•ia at• ae• x•+t• at•*• at•ac•+a+t i!•iu �t•it �• at• �• at •x•ae• at• �• *•� ie•x• � at ie•u•it• •r• it•+t•� �• � �t+�+a�t• ac•+t• FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE = 3 >) >>)DESIaNATE I NDEPENDENT STREAM FOR CONFLUENCE<<<<< ) >) >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES{ << << ssassssm srasmae :sasssacrsa:sscs a sees sass ssssass :assrsasxsr. see= =sees m=ar rar. aessrsexssrs sasr:: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) 17.89 RAINFALL INTENSITY (INCH. /HOUR) = 3.04 TOTAL STREAM AREA (ACRES) _ 28.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 70.44 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ----------------------------------------•-------------------------------- 1 191.97 18. 60 2.969 P 2 70.44 17.89 3.038 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 260.90 255.13 awf�f M -r wwifl.• f f.r�fwn ..f�T 14A7..�w A.1n AM P•!1 AI 1A TOTAL AREA(ACRES) - 104.10 w�w���rx• �•+ ��•+ f+ E����+ t* �•+ �x• �•• �x•+ E�•+ �•* �x• �• �• �•• w• ��x• �• �• x••K•, �arx•+h•��•K••�+�•x•� *�•x•�•�x• max• �• +�•�•x••�•�••��ac•� *�c•�•�•x•�• FLOW PROCESS FROM MODE 397. TO NODE 694.50 IS CODE = 3 ------------•---------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(<(<( )))))USING COMPUTER- ESTIMATED PIPESIZE INON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 63.0 INCH PIPE IS 49.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 14.4 UPSTREAM NODE ELEVATION - 1216.00 DOWNSTREAM NODE ELEVATION 1209.00 FLOWLENGTH ( FEET) - 780. 00 MANN I NGS ESTIMATED PIPE DIAMETER<ZNCH) - 63.00 PIPEFLOW THRU SUBAREA(CFS) = 260.80 TRAVEL TIME(MIN.) _ .90 TC(MIN.) N = .013 NUMBER OF PIPES = = 19. 50 1 +t••�t+E•k•at�t tit• ate• � at•�•+t+t•at•�•� �t• mat •� as it•�t•�t• �•at •� •� � a� � •� •x• •� at•� •� ae•+tat•it• � at•ia+t•� •aa � at �t *at�t �t•aa at•at+t ae•it•� at• sa�•at•�ae•�•at• •� •� •� ac• at• FLOW PROCESS FROM NODE 605. 00 TO NODE 604.50 IS CODE r 8 )))))ADDITION OF SUBAREA TO MAINLINE PEAM FLOW<<< (( =a = r-- a =a:a= » saxassrsssasrsrrrrssaaasaaraaas= ssasas»r= assssasss= rasssasss == saxrr 100.00 YEAR RAINFALL INTENSITY ( INCH /HOUR) _ 2.885 SOIL CLASSIFICATION IS " A " SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICZENT = .7410 SUBAREA AREA(ACRES) 14.60 SUBAREA RUNOFF(CFS) = 31.22 TOTAL AREA(ACRES) = 118.70 TOTAL RUNOFF(CFS) - 292.01 TC (MIN) = 19.50 at• ae• x• a!• �•• �• ic•• �•• �•k• �• it•* x• x• �• �• �• ��• �•• �x•• �� •�• pie• at•• �• �x• ac• x• �c•• �x• ia+ �• ae• x• x• x•• ��• x•• �a�• �• x•+ t••�•r�x• *at••�ac••��•ae••k•a�• FLOW PROCESS FROM NODE 604. TO NODE 604.50 IS CODE 3 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<<<< )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES < <<(< srararraraasasxs:s : asssas= sasar =._ s. zaac= asxz.- zxass -�• axes •sssasrsssas= mz•assaam•tsasaa.� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTRATIDN(MINUTES) = 19.50 RAINFALL INTENSITY (INCH. /HOUR) _ 2.89 TOTAL STREAM AREA (ACRES) = 116.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE •= 292.01 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 292.01 19.50 2.885 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SAC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 292.01 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) - 292.01 TIME(MINUTES) _- 19.498 TOTAL AREA (ACRES) = 116.70 ___ __....as.- = »s = °'� __ __ _._ » °res =.a__ .zzx -.=. -_ __•_ _ __=.- s. . as= a-__ '.= a= .= s.::. °__ == r= s....szsca_� t. END OF RATIONAL METHOD ANALYSIS LINES V & W C n a w4e g po"W"'o-0 pmet CML ENGINEERING • LAND PLANNING • LAND WRVEYING sulacT BY DATE JOS HO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS OCT. 1986 3366 1 1 FOOTHILL DRAIN LINES J & 8 STREET CAPACITIES FOR Dol .o 1. 25- YEAR CAPACITY TO TOP OF CURB 2. 100- YEAR CAPACITY TO R/W LINE 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641.8777 c k CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING suesc ^^ !Y /► DATE 7jj SHUT OF ' V Tie E E T C �9o19C / T/� S JOHN V /M$ oar. IM 1 ! If/W 1 1 TYPICAL SECTION - LEVE L REDWOOD AVENUE & HEMLOCK. AVENUE BAS / OF 0E5 1G 1q1# %'L = O. O /S COn/✓E yam'^ /CE Fi9C 7T0� o y8 1 ,, e 2/3 = /• y8� = 9 9• 2 s /S F JrweET ; A s Z. 64 w�°= / 83. 96 • 25 ewgie CAP/1G /Ty 'rogAvE AS Roo ✓� 0^/ �/DGh' To ToP GG GvOe 6 : ' 's"06 Of rwC fr a c r � /00 YEA.0 no ,e� wvT- of - c�.v ; h1. / e8 � �v S /.3� � R D• 532 � K- /D �7. 7� 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92828.3428 • (714) 841.8777 (C) Copyright 1952 Advanced Engineering Software EAESJ Especially prepared for: HALL & FOREMAN, INC. (<<((<(((<<<<<<<<<<<<<<(<(<<<<<<<<<<<<>>))>>) > >) >) >))))) >)) >) >) >))) >) >) > > }. Advanced Engineering Software SAES] SERIAL No. A0479A REV. 2.0 RELEASE DATE: 12/30/S2 } FODTI-�ILL DRAIN HYDROLOGY LINES J & K * REDWOOD & H=-K -M'*K AVE. STR =E" CAPACITY SLOPE =1. 4% * JOHN Sim 9/30/S6 10:15 A.M. J. N. 3366 fir *i��1F #fiEi. # i�!# �IEfiFl F# l F## l FIF#### l E### 1' r## l F�FIF### iF# �FIE1F# IF�EIEIFIE #'IF # # # # #fiEfiFIF #�E # # # ## #CIE # # # # # #i: } >) >S�REETFLOW MODEL INPUT INFORMATION(((( ---------------------------------------------------------------------------- CONSTANT STREET GRADE(FEET /FEET) = .014000 CONSTANT STREET FLOW(CFS) = 12.90 AVERAGE STREETFLOW FRICTION FACTOR(MANNING) _ .015000 CONSTANT SYMMETRICAL STREET HALF- WIDTH(FEET) = 15.00 CONSTANT SYMMETRICAL STREET CROSSFALL(DECIMAL) _ .027900 CONSTANT SYMMETRICAL CURB HEIGTH(FEET) = .50 CONSTANT SYMMETRICAL GUTTER- WIDTH(FEET) = 1.50 CONSTA SYMMETRICAL GUTTER- LIP(FEET) = .0 CONSTANT SYMMETRICAL GUTTER- HIKE(FEET) = .12000 FLOW ASSUMED TO FILL STREET ON ONE SIDE, AND THEN SPLITS =c:xcxa=== acc= .- nccsx= xsosos= sass= ox= osossxssxs= s== xxxxxxssx= asmassxxs= s= a =xc:. STREETFLOW MODEL RESULTS: ---------------------------------------------------------------------- - - - - -. STREET FLOWDEPTH(FEET) = .50 H FLOODWIDTH(FEET) = 14.65 AVERAGE FLOW VELOCITY (FEET /SEC. ) = 4.21 PRODUCT OF DEPTH &VELOCITY = 2.09 * * * * * * * * * *DESCRIPTIDN OF * FOOTHILL DRAIN HYDROLOGY LINE A * REDWOOD A HEMLOCK AVE. STREET CAPACITY SLOPE =1.2% * JOHN SI MS 9/30/86 5 :56 A.M. J.N. 3366 1 F�l E�+ E�EIEIi** ��F* IFIEIF*** iEI E* IF** iE* iE�E* iE* iEIE* IF�E*** �EiF1 F�F * * *lE * * * * * * *�E9E * * *it * * * * *dE *CIF *IEiFiE�i ) > > > ST REETF? .OW MODEL INPUT INFORMATION(((( --------------------------------------------------------------------------- CO`3STANT, STREET GRADE(FEET /FEET) = .012000 CONSTANT STREET FLOW (CFS) = 11.90 AVERAGE STREETFLOW FRICTION FACTDR(MANNING) _ .015000 CONSTANT SYMMETRICAL STREET HALF- WIDTH(FEET) = 18.00 CONSTANT SYMMETRICAL STREET CROSSFALL(DECIMAL) _ .027900 CONSTANT SYMMETRICAL CURB HEIGTH(FEET) = .50 CONSTANT SYMMETRICAL GUTTER- WIDTH(FEET) = 1.50 CONSTANT SYMMETRICAL GUTTER- LIP(FEET) _ .01000 CONSTANT SYMMETRICAL GUTTER- HIKE(FEET) = .12000 FLOW ASSUMED TO FILL STREET ON ONE SIDE, AND THEN SPLITS scx.- s. ss= xxxsaxssxsesaaasa== mxxxxaxaaxaxax= sa = === x == s== ax=== se= xxxcx= xxxscs. 4 STREETFLOW MODEL RESULTS: -------------------------------------------------------------------- - - - - -- STREET FLOWDEPTH(FEET) = .50 HA_FSTREET FLOODWIDTH(FEET) = 14.65 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.86 PRODUCT OF DEPTH&VELOCITY = 1.93 1H hGe� fa CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING sus m By a►TE = No. ow" cw . r._e r r_ ��.� , j:..,s no. r 3310 (0 I / A/ Ar N 4 ./' 4' I (� 105 - Val ry +; EX /.sr AWYEMENT L j .�foYN glor P.4N" r .4r l4b' Af,64 ' PO /NT -t 779 .%WX rV AIMAV "Wrv4CE TYPICAL SECTION n FOOTHILL BOULEVARD N.T.S. OF 0ESi ti/ y� = o. o i 5 CONVE yAN�E Ff+'a roje = k s Y A n a s yEAoe CA.oAr sArpE .CIS o v X- INCIW X1,04 - To TOP OF ca" - pF art E E 7 0/00 A Nk cAPAc i 7r vq,e /E S To Z14 n'T• OF- 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 841 -8777 IE fft X?e g po"w"'op Rac CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING 8t16JECT 6Y DATE 106 NO. 9"m OF MASTER HYDROLOGY STUDY JOHN SIMS OCT.1986 3366 1 1 TRIBUTARY AREA TO FOOTHILL DRAIN - LINE 'J' E w E DRAINAGE AREA ACRES 872 873 874 994.1 994.2 993.1 993.2 987.1 7.3 7.8 9.8 8.3 4.0 9.7 9.5 1.2 57.6 TOTAL HIGH ELEVATION LOW ELEVATION FLOW LENGTH 1302.0 1291.5 670 1303.0 1291.0 960 1304.0 1291.0 1000 1292.0 1283.5 1000 1291.3 1282.0 600 1284.0 1277.0 1000 1284.0 1273.0 1040 1282.0 1258.0 1400 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3428 • (714) 841.8777 B7 pov000w� Rmco CIVIL ENGINEERING • LAND PLANNING • LAND SURVEY= sumacT BY DATE J04 NO. 8MEET OF MASTER HYDROLOGY STUDY JOHN SIMS OCT. 1986 3366 1 1 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3426 • (714) 641 -6777 TRIBUTARY AREA TO FOOTHILL DRAIN - LINE 'K' , DRAINAGE AREA ACRES HIGH ELEVATION LOW ELEVATION FLOW LENGTH 992 6.6 1273 1260 980 992.1 0.6 1265 1260 930 991.1 7.7 1270 1258 1000 991.2 6.3 1270 1254 1050 991.3 0.6 1260 1254 1000 990 9.8 1263 1250 920 983 2.9 1254 1242 1200 974 0.7 1258 1242 1270 35 .2 TOTAL 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626.3426 • (714) 641 -6777 /� f � 872 .873 7- -f AC ,PES 7 It • Af,rE S LINES J & K TRIBUTARY AREA 374 TO _ s e AcES FOOTHILL DRAIN 994.1 f 99a.a' � j s .O AC tLS (j 993.1 f.7.v_.rES _ ,r♦ 993.2 - - 1 991.1 990 7.7 AC. so _ 99 - -" - -•�;, 99 996 99 7 s. • .ot ES W o ( /Z70J Ji o /, / 9.6 i 991.2 92 ACRES ,._ rES .cC,4Es 1 G.3 AG . i • �. c rISC /lf _ •FfS , /Nc K • f/ ME r (11 fJ C.•rwr rCV x �iTG3/ /: if: /,l 7.6) ' 983 991.3 ,r 992.1 N 1 T f An 0.4 .c D' A:. 1 I. ` 984 S 985 986 987 '; �L ,NE 1 1 998 7. !ACRES e•! ACRES D. O AC DES e 1 i ES 4 1h K ' W 1 1 i 777- 1 i it Soi 998.5 998.4 998.3 \ 998.2 1 I •, W CITY OF FONTANA PUBLIC WORKS HYDROLOGY , l oww4jt, 9 04 MASTER PLAN ••p- •- •-«- •• ---• ,•- »•• DATE SCALE D R W • N O. 10/86 N.T.S. [A m In h. e g Povwm gme. CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY DATE JOB NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIDS 9/26/8 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINES J & K * Q 10 *REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641.8777 t sax:= ax= s= aa= msxsxssa:== sa=: s= x= =m == sss= x= s= xms =sssrs=x= sxm =x= =a=s =ssxa =axsa= RATIONAL METHOD HYDROLOGY COMPUTER GROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL (C) Copyright 1988 Advanced Engineering Software EAES3 Especially prepared fors HALL & FOREMAN, INC. **********DESCRIPTION OF e FOOTHILL DRAIN HYDROLOGY LINE J +� e 010 FROM NODE 672 TO NODE 95 +� * JOHN SIMS 10/9/86 10 :30 A.M. J. N. 3366 ---------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------------------------------------------------------------- USER SPECIFIED STORM EVENT(YEAR) = 10.00 SPECIFIED MINIMUM PIPE SIZE(INCH) 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 10.00 1 -HOUR INTENSITY(INCH /HOUR) _ .9896 SLOPE OF INTENSITY DURATION CURVE _ .6000+ SBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software SAES] SERIAL No. A0579A REV. 3.1 RELEASE DATES 5/01/65 <<<<<<<<<<{<<{<<<<<<<<<<<<<<<<<<<<<<<<>>>)>>> a)>)))>)>>)))>>)))>> >)))))))))) FLOW PROCESS FROM NODE 872.00 TO NODE 48.00 IS CODE 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( =sxas = =axsx : == = =x==sxxaxsss: ass= = :sexamx=xs : = :xssxs=s :=as==sess = = = == =sss== =c ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K* E ( LENGTH**3) / (ELEVATION CHANGE) 3 **. 2 INITIAL SUBAREA FLOW - LENGTH = 670.00 UPSTREAM ELEVATION = 1302.00 DOWNSTREAM ELEVATION = 1291.50 ELEVATION DIFFERENCE = 10.50 TC = . 393+ 1 ( 670.00 **3) / ( 10.50) 3 **. 2 = 12.172 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.578 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT - .7280 SUBAREA RUNOFF(CFS) 13.70 TOTAL AREA(ACRES) - 7.30 TOTAL RUNOFF(CFS) = 13.70 FLOW PROCESS FROM NODE 4S.00 TO NODE - -- 51 00 - _ -- IS CODE 3 - -- - ------ - - - - -- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( rsaaasars saasssraazasasssssasszssssszszt= szzssarrassrszsasass : =ssasassasszs- DEPTH OF FLOW IN 30.0 INCH PIPE IS 23.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 3.3 UPSTREAM NODE ELEVATION s 1291.50 DOWNSTREAM NODE ELEVATION - 1291.00 FLOWLENGTH(FEET) - 400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 13.70 TRAVEL TIME (MIN. ) - 2.03 TC (MIN. ) = 14.20 FLOW PROCESS FROM NODE 873.00 TO NODE 51.00 IS CODE - 8 ---------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( sasssscs sssaasasaxrsxssxssssrsssstssasassssssassssasssssxsxxsxsxsszssssxsa 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.350 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7161 SUBAREA AREA(ACRES) - 7.80 SUBAREA RUNOFF(CFS) - 13.12 TOTAL AREA(ACRES) - 15.10 TOTAL RUNOFF(CFS) - 26.82 TC(MIN) = 14.20 FLOW PROCESS FROM NODE 51.00 TO NODE 51.00 IS CODE _ ! ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( rasasssss= sxaas= sssxssassasasssasassssxcaasaaar ssssssxsssxsssssasasssssasss= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) - 14.20 RAINFALL INTENSITY (INCH. /HOUR) - 2.35 TOTAL STREAM AREA (ACRES) - 15.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 26.82 FLOW PROCESS FROM NODE 874.00 TO NODE 51.00 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC - K*E(LENGTH **3) /(ELEVATION CHANGE)3**.2 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1304.00 DOWNSTREAM ELEVATION = 1291.00 ELEVATION DIFFERENCE - 13.00 ® TC = . 393** ( 1000. oo**3) / ( 13.00) 3**. 2 = 14.831 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.290 SOIL CLASSIFICATION IS "A" SINGLE - FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7126 SUBAREA RUNOFF(CFS) = 15.99 TOTAL AREA(ACRES) = 9.80 TOTAL RUNOFF(CFS) - 15.99 FLOW PROCESS FROM NODE 51.00 TO NODE 51. @0 IS CODE = 1 ) ))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE (< < << )))))AND COMMUTE VARIOUS CONFLUENCED STREAM VALUES((((( assts: asaaasss= ssssassrsss= s== szz sssasss: asasssrs raassssssssxsssrasassss=sss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM S AREs TIME OF CONCENTRATION(MINUTES) = 14.83 RAINFALL INTENSITY (INCH. /HOUR) r 2.29 TOTAL STREAM AREA (ACRES) a 9.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 15.99 CONFLUENCE INFORMATIONS STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 26.82 14.20 2.350 2 15.99 14.83 2.290 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 42.14 42.13 COMMUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 42.14 TIME(MINUTES) = 14.204 TOTAL AREA(ACRES) = 24.90 FLOW PROCESS FROM NODE 51. TO NODE 79.00 IS CODE = 3 ---------------------------------------------------------------------------- ) ))))COMMUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))) )USING COMMUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( mmssssssarssssmarsz= rsssrrsarssssz r: sasrrassssssssass =ssas :rxrssasasssssrs=ss= DEPTH OF FLOW IN 27.0 INCH PIPE IS 21.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) r 12.E UPSTREAM NODE ELEVATION - 1291.00 DOWNSTREAM NODE ELEVATION = 1282.00 FLOWLENGTH(FEET) = 450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 42.14 TRAVEL TIME(MIN.) _ .61 TC(MIN.) 14.82 FLOW PROCESS FROM NODE 79.00 TO NODE 79.00 IS CODE = 1 ---------------------------------------------------------------------------- )) )))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < << ss r x rasxssssrasxss=== sssrx= srsssrxsss= sssssas sssassas :r==sasss= ssrsassssss == CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) - 14.82 RAINFALL INTENSITY (INCH. /HOUR) r 2.29 TOTAL STREAM AREA (ACRES) = 24.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 42.14 z ® - FLOW PROCESS FROM NODE - -- 994_10 - TO NODE - -- 80.00 - - IS CODE - = -- 2------ - - - - -- )))> )RATIONAL METHOD INITIAL SUBAREA ANALYSIS <(((< sxrscx= s= = zmsssasassxss= sx= ssrz sxssas.. �ssss= mxsrxsaxasssssssssssssssxssssc = ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K * E(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW - LENGTH = 1000.00 I li`lem AM c, runTTnni = i P4P_ AOk DOWNSTREAM ELEVATION = 1283.50 ELEVATION DIFFERENCE - 8.50 TC - . 303* C ( 1000.00 * *3) / ( 8.50) 7 * *. 2 = 12.465 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.541 SOIL CLASSIFICATION IS "A" ® COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8252 SUBAREA RUNOFF(CFS) = 17.41 TOTAL AREA(ACRES) - 8.30 TOTAL RUNOFF(CFS) = 17.41 FLOW PROCESS FROM NODE 80.00 TO NODE 79.00 IS CODE = 3 ---------------------------------------------------------------------------- )) )))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) >)))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( ass: sssssss: ss ssasassssssassa: a: as rssssrasasssssss sss�ssssssssssaa :ssssss == DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 5.0 UPSTREAM NODE ELEVATION - 1283.50 DOWNSTREAM NODE ELEVATION - 1282.00 FLOWLENGTH(FEET) - 500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 30.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREA(CFS) 17.41 TRAVEL TIME(MIN.) = 1.68 TC(MIN.) = 14.15 FLOW PROCESS FROM NODE 994.20 TO NODE 79.00 IS CODE a 8 ---------------------------------------------------------------------------- ) > >> )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( s :s =saasass asses = :a=xssassssasssWass= sasasrsssssasssssssssssassassrssssssss= 1 @.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.355 ® SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8233 SUBAREA AREA(ACRES) = 4.00 SUBAREA RUNOFF(CFS) = 7.76 TOTAL AREA(ACRES) = 12.30 TOTAL RUNOFF(CFS) _ 25.16 TC(MIN) = 14.15 FLOW PROCESS FROM NODE 79.00 TO NODE 79.00 IS CODE = 1 ---------------------------------------------------------------------------- ) > > > >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ) > > >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ssssssasassaassassss -as =asses vsas=aaasaaasrssasss =assnssasars- =rssasssss :s == CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.15 RAINFALL INTENSITY (INCH./HOUR) 2.36 TOTAL STREAM AREA (ACRES) a 12.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 25.16 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 42.14 14.82 2. 2 25.16 14.15 2.355 ® RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULAS &C) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 66.61 65.40 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) s 66.61 TIME(MINUTES) = 14.616 TOTAL AREA(ACRES) = 37.20 FLOW PROCESS FROM NODE 79.00 TO NODE 87.00 IS CODE 3 ---------------------------------------------------------------------------- ))) ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( » >>) USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( ® ass sssasssssssssssssssasssssssasss sass: s: ssssas :s :ssssssasasasaassaasssass = DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 13.9 UPSTREAM NODE ELEVATION - 1282.00 DOWNSTREAM NODE ELEVATION - 1273.00 FLOWLENGTH(FEET) - 450.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 33.00 PIPEFLOW THRU SUBAREA(CFS) = 66.61 TRAVEL TIME(MIN.) _ .54 TC(MIN.) N = .013 NUMBER OF PIPES = = 15.36 FLOW PROCESS FROM NODE 87.00 TO NODE 87.00 IS CODE 1 ---------------------------------------------------------------------------- )>>))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE( < < << sssxssssssacsxsss :xassassssassssss =sssss :s sass : :ssssssssassssssssssss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME•OF CONCENTRATION(MINUTES) - 15.36 RAINFALL INTENSITY (INCH. /HOUR) - 2.24 TOTAL STREAM AREA (ACRES) = 37.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 66.61 FLOW PROCESS FROM NODE 993.10 TO NODE 124.00 IS CODE = 2 ---------------------------------------------------------------------------- )) )))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ss zssasssssss: sssss: scrsssassssssseasssssssssasssssssssssas ::sssss :ssxssssss =r ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *C(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1284.00 DOWNSTREAM ELEVATION - 1277.00 ELEVATION DIFFERENCE = 7.00 TC = . 303* 1 ( 1000.00 * *3> / ( 7.00) 3 * *. 2 - 12.959 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.483 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8247 SUBAREA RUNOFF(CFS) 19.86 TOTAL AREA(ACRES) - 9.70 TOTAL RUNOFF(CFS) 19.86 FLOW PROCESS FROM NODE 124.00 TO NODE 87.00 IS CODE 3 ---------------------------------------------------------------------------- )>)) )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( > )) ))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( ssssss ss sasassssasraraassaasasssxassaaassssasasa ssassasssssassssssssssasssss = DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 6.5 UPSTREAM NODE ELEVATION = 1277.00 DOWNSTREAM NODE ELEVATION = 1273.00 FLOWLENGTH(FEET) s 700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES PIPEFLOW THRU SUBAREA(CFS) = 19.86 TRAVEL TIME (MIN. ) = 1.80 TC (MIN. ) = 14.76 - _ .ALALALJLJLJi.Y.Y Y. FLOW PROCESS FROM NODE 993.20 TO NODE 87.00 IS CODE - 8 ---------------------------------------------------------------------------- >) >) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( == zas axxszsazsss= xzmxszsxxzxzxsssxxzzssssaaszz =xscsxsazxzsx 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 2.296 SOIL CLASSIFICATION IS "A" PON COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8226 SUBAREA AREA(ACRES) 9.50 SUBAREA RUNOFF(CFS) = 17.94 TOTAL AREA(ACRES) 19.20 TOTAL RUNOFF(CFS) = 37.80 TC(MIN) - 14.76 FLOW PROCESS FROM NODE 87.00 TO NODE 87.00 IS CODE = i )M )DESIGNATE )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ) )>))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( asax esssxszz =zzzzsrszazssszaasxexazs sass sxxzs zsx zsrz=ssxsrasssszzssseaxxs = CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) - 14.76 RAINFALL INTENSITY (INCH. /HOUR) = 2.30 TOTAL STREAM AREA (ACRES) = 19.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 37.80 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 66.61 15.36 2.242 37.80 14.76 2.296 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 103.53 101.64 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 103.53 TIME (MINUTES) = 15.355 TOTAL AREA(ACRES) = 56.40 FLOW PROCESS FROM NODE ' 87.00 TO NODE 95.00 IS CODE 3 > >> >) COMF , UTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ))) >)USING COMPUTER ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( rssssssassssss srss msr cxaaxsssssrss- S S ==�. ss =SS=T. x = =xsffiS= a a = xsx SxxS ssar.- DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.3 UPSTREAM NODE ELEVATION = 1273.00 DOWNSTREAM NODE ELEVATION = 1258.00 FLOWLENGTH(FEET) = 950.00 MANNINGS N - .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 103.53 TRAVEL TIME (MIN. ) = 1.10 TC (MIN. ) 16.46 FLOW PROCESS FROM NODE 987.10 TO NODE 95.00 IS CODE 8 --------------------------------------------------- >))> )ADDITION - OF - SUBAREA 70 MAINLINE PEAK FLOW< << << ----------------------- _----- rscsss_.-_. r------ raa= sarssxrcr= sssczzrxssas azazs= rzsszxarzxxzzz= = = = =o= 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 2.251 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT SUBAREA AREA(ACRES) = 1.20 SUBAREA RUNOFF(CFS) = 2.12 - - X17 _ r_A TATAW Ai:HaFF(CFS) = 105.65 TC(MIN) = 16.46 FLOW PROCESS FROM NODE 95.00 TO NODE 95.00 IS CODE = 1 ---------------------------------------------------------------------------- )) )))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( > >)))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( srxrassassssaxssssss :ssssax= sass: sasrsasaesssssssasssssssassssasa sssssassssxx CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) r 16.46 RAINFALL INTENSITY (INCH./HOUR) E. 15 TOTAL STREAM AREA (ACRES) - 57.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 105.65 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 105.65 16.46 2.151 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FDRMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 105.65 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWSs RUNOFF(CFS) - 105.65 TIME(MINUTES) r 16.459 TOTAL AREA (ACRES) = 57.60 r =ssasaxs =acsxarsssssmsasss asss sssssssoQS SSSS SSSSSSSSrsasss=ssasrsssssssssxa END OF RATIONAL METHOD ANALYSIS 1401 • sasar= ss= ssmraa== srsrrr= a= s= sssrssssss= sssrss= sr=asssssrsrsaassssr=s :sasse=s RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM EASED ON SAN BERNARDINO COUNTY (SBC) 1963 HYDROLOGY MANUAL sasasassssrsrsssas= s= sssrssssssrsrrrsasr: asssr =rsaa =rrssssrsassssrrssss :sr == (C) Copyright 1982 Advanced Engineering Software SAES] Especially prepared fors HALL & FOREMAN, INC. * * * * * * * ** *DESCRIPTION OF * FOOTHILL DRAIN HYDROLOGY LINE K * 010 FROM NODE 992 TO NODE 91 * JOHN SIMS 10/9/86 4:05 P.M. J. N. 3366 ---------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATIONs ---------------------------------------------------------------------------- USER SPECIFIED STORM EVENT(YEAR) = 10.00 SPECIFIED MINIMUM PIPE SIZE(INCH) 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 10.00 1 -HOUR INTENSITY(INCH /HOUR) _ .9898 SLOPE OF INTENSITY DURATION CURVE _ .6000 BBC HYDROLOGY MANUAL "C "- VALUES USED <<(<(<<<<<<<<(<<<<<<(<<<<<<<(<<<<<( < l<>)))>>) >)))) > > >)))) >) >)>>>>)))) >) >>>)) Advanced Engineering Software EAES7 SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/65 <<<<<<<<<<<<<<<<<((<<<<<<<<<(<(< <<< < <<) > > >) > > > >) > > >) > > > > > >) >)>) m >)) > >)))> FLOW PROCESS FROM NODE 992.00 TO NODE 84.00 IS CODE = 2 ---------------------------------------------------------------------------- >))> )RATIONAL METHOD INITIAL SUBAREA ANALYSIS( < <<( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *EILENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW - LENGTH = 980.00 UPSTREAM ELEVATION = 1273.00 DOWNSTREAM ELEVATION = 1260.00 ELEVATION DIFFERENCE = 13.00 TC = . 30s *E ( 980. 00 * *3) / ( 13.00) 3 * *. 2 = 11.312 a y. rr V r Cr. $'%"Airf r1LL. ♦1% 1 =640. % t % 1 WL•f7/ r7LJLl -• c. o�'+ SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8266 SUBAREA RUNOFF 14.70 TOTAL AREA(ACRES) = 6.60 TOTAL RUNOFFICFSI = 14.70 AWN FLOW PROCESS FROM NODE 84.00 TO NODE 82.00 IS CODE 3 ---------------------------------------------------------------------------- ) ))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) >) >)USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( sera: seas: a: asasassssssassssrssssssxssassssssasss ::seas :arsrrsas =raarssssssr� DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 6.1 UPSTREAM NODE ELEVATION = 1260.00 DOWNSTREAM NODE ELEVATION - 1254.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 24.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) 14.70 TRAVEL TIME(MIN. ) = 2.73 TC(MIN. ) = 14.04 FLOW PROCESS FROM NODE 991.20 TO NODE 82.00 IS CODE 8 ---------------------------------------------------------------------------- )>)>)ADDITION OF SUBAREA TO MAINLINE PEAK FLOW(( <(( sass= sssssssss = seas rsss rsssssss rss= ssxsrsasxxrsrsssxsssxsxmsssrs= sxssas =xssa 10.00 YEAR RAINFALL INTENSITYIINCH /HDUR) a 2.366 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8234 SUBAREA AREA(ACRES) = 6.30 SUBAREA RUNOFF(CFS) - 12.27 TOTAL AREA(ACRES) 12.90 TOTAL RUNOFF(CFS) = 26.97 y TC(MIN) = 14.04 FLOW PROCESS FROM NODE 82.00 TO NODE 82.00 IS CODE = 1 ---------------------------------------------------------------------------- >)> > >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ( <(< sarxxsmssa= seas= sees= sssrssssssss: assxasssxssrrr =axssr= rsrxsass=ssxsxssssas= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CDNCENTRATION(MINUTES) = 14.04 RAINFALL INTENSITY (INCH. /HOUR) = 2.37 TOTAL STREAM AREA (ACRES) - 12.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE _ 26.97 aF�* aE+ ��• ��xaE��• ��• ���• �a��• ���•*• ��• �xa t• ��t��x�c• ��t�������������t���t• ����t •�•����•it•������t•+� *�•����• FLOW PROCESS FROM NODE 991.10 TO NODE 991.10 IS CODE = 2 ---------------------------------------------------------------------------- ))) >)RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( rs ssxa = --- asssxsassssssxrrxss arse xxras= xrssrss= arsx =xs=xrrsssaxsxxxsxsssssa ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC - K *[(LENGTH **3) /(ELEVATION CHANGE)3**.2 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1270.00 DOWNSTREAM ELEVATION = 1256.00 ELEVATION DIFFERENCE = 12.00 TC = . 303* L ( 1050. 00**3) / ( 1 3 **. 2 = 11.635 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 2.646 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8263 SUBAREA RUNOFF(CFS) 16.85 TOTAL AREA(ACRES) = 7.70 TOTAL RUNOFF(CFS) 16.85 FLOW PROCESS FROM NODE 991.10 TO NODE 82.00 IS CODE 3 ---------------------------------------------------------------------------- )))>)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ))) >) USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( aaasaa=a: sear == =rrrsssasarrsaassasa sear :s :ssaasarsasassa =seas : == = === = erases= DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) 8.2 UPSTREAM NODE ELEVATION 1258.00 DOWNSTREAM NODE ELEVATION - 1254.00 FLOWLENGTH(FEET) - 320.00 MANNINGS N = .0+13 ESTIMATED PIPE DIAMETER(INCH) - 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) 16.85 TRAVEL TIME (MIN. ) = .65 TC(MIN. ) le. 29 FLOW PROCESS FROM NODE 82. TO NODE 82.00 IS CODE = 1 ---------------------------------------------------------------------------- ) ))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>)) >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( = s= asarrasrs= seas = serer = ass= aasaaarrrsrassa= srsarrs = == =_____ = = === rr === =____� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) - 12.29 RAINFALL INTENSITY (INCH. /HOUR) 2.56 TOTAL STREAM AREA (ACRES) = 7.70+ TOTAL STREAM RUNOFF(CFS) AT CDNFLUENCE 16.85 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN) (INCH /HOUR) ----------------- --------.---------------------------------------- 1 26.97 14.04 2.366 2 16.8 5 12. 2.563 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 42.52 40+.45 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 42.52 TIME(MINUTES) 14.036 TOTAL AREA (ACRES) = 2 0.60 FLOW PROCESS FROM NODE 82.00 TO NODE 81.00 IS CODE = 3 ---------------------------------------------------------------------------- >) >) )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))> )USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( srrrssrrrrrarasrarraaassasasrrassasr: ar= rsa= ssararsasasrasa =sasarrsaaasrrrc_ DEPTH OF FLOW IN 36.0 INCH PIPE IS 25.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.0 UPSTREAM NODE ELEVATION = 1254.010 DOWNSTREAM NODE ELEVATION - 1250.00 FLOWLENGTH(FEET) = 660+.0 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) 36.0+0 NUMBER OF PIPES = 1 PIGEFLOW THRU SUBAREA(CFS) = 42.52 TRAVEL TIME(MIN.) = 1.37 TC(MIN.) = 15.41 FLOW PROCESS FROM NODE 990.00 TO NODE 61.00 IS CODE = 8 ---------------------------------------------------------------------- - - - - -- >) >) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ss: s= sassssssssa: sssssassssxssassxsasasssss= aassssssssssxxssssrxs =:assssssc= 10.00 YEAR RAINFALL SOIL CLASSIFICATION IS COMMERCIAL DEVELOPMENT SUBAREA AREA(ACRES) _ TOTAL AREA(ACRES) Apmk TC (MIN) 15.41 INTENSITY(INCH /HOUR) - 2.236 A RUNOFF COEFFICIENT - .8219 9.80+ SUBAREA RUNOFF(CFS) - 16.02 30.40 TOTAL RUNOFF(CFS) = 60.55 FLOW PROCESS FROM NODE 81.00 TO NODE 91.00 IS CODE = 3 ---------------------------------------------------------------------- - - - - -- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((< )> )))USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( asassssaa =srssasxss :sassasaasse :s asses s: saassassssr :sssss :assasss :ssssasrsaar = DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) a 27.6 UPSTREAM NODE ELEVATION = 1250.00 DOWNSTREAM NODE ELEVATION 1242.00 FLOWLENGTH(FEET) = 62.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) - 24.00 PIPEFLOW THRU SUBAREA(CFS) 60.55 TRAVEL TIME(MIN.) = .04 TC(MIN.) N a .013 NUMBER OF PIPES = = 15. 45 FLOW PROCESS FROM NODE 974.00 TO NODE 91.00 IS CODE = e ---------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ssssssssasxsxsaxxsassrssssssss= sasxsssasasaassmssxssassrxsssxssxxxrxsxssraxc 10.00 YEAR RAINFALL .INTENSITY (I NCH /HOUR) = 2.234 SOIL CLASSIFICATION 1S "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8218 fir+ SUBAREA AREA(ACRES) _ .70 SUBAREA RUNOFF(CFS) a 1.29 TOTAL AREAIACRES) = 31.10 TOTAL RUNOFF(CFS) = 61.83 TC(MIN) = 15.45 FLOW PROCESS FROM NODE 91.00 TO NODE 91.00 IS CODE = 1 ---------------------------------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( = asassassas- sssrs= sssssssrxsssxrzsxsssssassssssssssssssssssssxasssssrssas CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.45 RAINFALL INTENSITY (INCH. /HOUR) = 2.23 TOTAL STREAM AREA (ACRES) = 31.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 61.83 FLOW PROCESS FROM NODE 992.10 TO NODE 84.00 IS CODE = 2 ---------------------------------------------------------------------- - - - - -- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( sr = s ssssssamsssxxssssssrsasssssssrssrrssxrrsssssxsssxsssassxxsrsxxxsssssrs =s ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)3**. : INITIAL SUBAREA FLOW - LENGTH = 930.00 �✓ UPSTREAM ELEVATION = 11265.00 DOWNSTREAM ELEVATION = 1260.00 ELEVATION DIFFERENCE = 5.00 TC = . 303+ E I 930. 00 * *3) / ( 5.00) 3 * *. 2 13.270 10.00 YEAR RAINFALL INTENSITY(INCH /HDUR) 2.447 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8243 auar++KCri f%unurr- 4 t.r a 1 A. ,: i TOTAL AREA(ACRES) = .60 TOTAL RUNOFF(CFS) FLOW PROCESS FROM NODE 84.00 TO NODE 82.00 IS CODE 6 ---------------------------------------------------------------------------- ))) >> COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((< rs= ssxx =a= sax:: sesexx = eras seeseaaee= ex= e=ee= exaseea :rasa =aesassxxsexeesee UPSTREAM ELEVATION = 1260.00 DOWNSTREAM ELEVATION = 1254.00 STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) - 18.00 STREET CROSSFALL(DECIMAL) _ .0279 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.65 STREET FLOWDEPTHIFEET) _ .32 HALFSTREET FLOODWIDTH(FEET) - 7.43 AVERAGE FLOW VELOCITY(FEET /SEC.) - 1.87 PRODUCT OF DEPTH &VELOCITY - .60 STREETFLOW TRAVELTIME(MIN) - 8.69 TC(MIN) = 22.16 10.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.799 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8150 SUBAREA AREA(ACRES) _ .60 SUBAREA RUNDFF(CFS) _ .86 SUMMED AREA(ACRES) 1.20 TOTAL RUNOFF(CFS) = 2.09 END OF SUBAREA STREETFLDW HYDRAULICS: DEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 8.46 FLOW VELOCITY(FEET /SEC.) - 1.89 DEPTH*VELOCITY .66 FLOW PROCESS FROM NODE 82.00 TO NODE 91.00 IS CODE 6 ---------------------------------------------------------------------------- >) >) COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( xsxxxsxsxsxxxar xas= s== xsrssssasa =as = =serer= a=a =ssxx= :=asse=s = =ass =xs =xs =s =was UPSTREAM ELEVATION 1254.00 DOWNSTREAM ELEVATION = 1242.00 STREET LENGTH(FEET) 1270.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 16.00 STREET CROSSFALL(DECIMAL) = .0279 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3.86 STREET FLOWDEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 10.01 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.56 PRODUCT OF DEPTH &VELOCITY = 1.01 STREETFLOW TRAVELTIME(MIN) = 6.27 TC(MIN) = 30.43 10.00 YEAR RAINFALL INTENSITYIINCH /HOUR) 1.466 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8077 SUBAREA AREAIACRES) 2.90 SUBAREA RUNOFF(CFS) - 3.46 SUMMED AREA(ACRES) = 4.10 TOTAL RUNOFF(CFS) = 5.57 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .44 HALFSTREET FLOODWIDTH(FEET) - 11.55 FLOW VELOCITY(FEET /SEC.) = 2.83 DEPTH *VELOCITY 1.23 FLOW PROCESS FROM NODE 91.00 TO NODE 91.00 IS CODE = 1 ---------------------------------------------------------------------- - - - - -- )) >) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE( < < (< ))) >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATIONIMINUTES) - 30.43 RAINFALL INTENSITY (INCH. /HOUR) - 1.49 TOTAL STREAM AREA (ACRES) - 4.10 , rn-rni a rornM D1 won=r ! rCC t n"r rrrkmri i i=svrrc . - _ . W. _'7 .V.r - J� J. . %V, - J/ "f VY.W f�Yf� {VVV - J.J! CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 61.83 15.45 2.234 :-: 5.57 30.43 1.488 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 64.66 46.74 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 64.66 TIME(MINUTES) r 15.447 TOTAL AREA ( ACRES) 35.20 rarrsaasacr> sr ss sss= srasas= srrsrsrrsrarrsrsssrs saaas :ssrrrsrassrsssssssssmssssac END OF RATIONAL METHOD ANALYSIS A A W�zg g po"WAO-op gme CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUSZCT BY DATE JOB NO. SHEET OF MASTER HYDROLOGY STUDY JOHN SIMS 9/26/86 1 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINES J & K * Q 25 * REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 =sr = � =ss =a =srssxsasa: er a: r: ssxssssssssrsas: ssaasssa :smrssrsss :sssaassas RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL assssrsss :asses assess: sasss saassrssssass: ssaaasssssssaas :sssssassssasssaa (C) Copyright 1982 Advanced Engineering Software SAES] Especially prepared fors HALL & FOREMAN, INC. <<<<(<<<(<<<(((<(<(<((<<<<<<(((<< (( < <( > > >> }> )>) })> > >)) >)>> > > > >)) M > > >)) > >) * * ** * * * ** *DESCRIPTION OF * FOOTHILL DRAIN HYDROLOGY LINE J * 0 * JOHN SIMS 10/9/86 lls30 A.M. J.N. 3366 --------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) - 85.00 SPECIFIED MINIMUM PIPE SIZE(INCH) - 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ ..980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.0+ 1 -HOUR INTENSITY(INCH /HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE _ .6000 BBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software EAES7 SERIAL No. A0580A REV. 3.1 RELEASE DATES 5/01/85 FLOW PROCESS FROM NODE 872.00 TO NODE 48.00 IS CODE 2 ---------------------------------------------------------------------------- )))) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( = cxasrassassasasxrsx= aasxsssrrssssssrsssarssaxarss :ss =samara = =rsss sasassrxxc ASSUMED INITIAL SUBAREA UNIFORM �. DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *E4LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 670.00 UPSTREAM ELEVATION = 1302.00 DOWNSTREAM ELEVATION - 1291.50 ELEVATION DIFFERENCE - 10.50 TC - . 393 *E ( 670.00 * *3) / ( 10.50) 3 * *. 2 12.172 •SC MIN VCl1C rb^T\IE I TA/9'1"b2rl - r T'%♦ / 1 ►s.\" It ■A1 f.1♦ _ 1 /!AA v_.r. sire s =Psn no" a wr rss-L a m s C#vO a I T/ a ivt.nl Atl{Jlt I c .�. Y/ILNC SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .745E SUBAREA RUNOFF(CFS) 16.32 TOTAL AREA(ACRES) = 7.30 TOTAL RUNOFF(CFS) = 16.3E FLOW PROCESS FROM NODE 48.00 TO NODE 51.00 IS CODE s 3 ---------------------------------------------------------------------------- ))) ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )> )))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( sssassss :ass asses :s : :sssssasssssssss: sasses: sss :ssssssssssssssssssss :::eases DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 3.5 UPSTREAM NODE ELEVATION - 1291.50 DOWNSTREAM NODE ELEVATION - 1291.00 FLOWLENGTH(FEET) - 400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) 33.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 16.32 TRAVEL TIME(MIN.) = 1.92 TC(MIN.) = 14.09 FLOW PROCESS FROM NODE 873.00 TO NODE 51.00 IS CODE = e ---------------------------------------------------------------------------- )))) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( sssssssssasssasssassss sass: ssssssssassssss - -- assess s= � sssssssssssssassssssa 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.748 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT a .7355 SUBAREA AREA(ACRES) = 7.80 SUBAREA RUNOFF(CFS) a 15.76 TOTAL AREA(ACRES) 15.10 TOTAL RUNOFF(CFS) s 32.08 TC(MIN) = 14.09 FLOW PROCESS FROM NODE 51.00 TO NODE 51.00 IS CODE = 1 ---------------------------------------------------------------------------- )) >> ?DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(( <(< s=ssasss: sss=ssssss= asses :�ss�ssassssssssssssssss :sss :sass :sssasssssassssssa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) - 14.09 RAINFALL INTENSITY (INCH. /HOUR) - 2.75 TOTAL STREAM AREA (ACRES) = 15.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 32.08 FLOW PROCESS FROM NODE 874.00 TO NODE 51.00 IS CODE 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( sss=: sss= asassssasss :ss:sssssssssssssssssssss:asss :sss: :sssssssasssassssssac ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC - K*E4LENGTH **3) /(ELEVATION CHANGE)]**.E INITIAL SUBAREA FLOW - LENGTH - 1000.00 UPSTREAM ELEVATION = 1304.00 DOWNSTREAM ELEVATION = 1291.00 ELEVATION DIFFERENCE = 13.00 TC = . 393*[( 1000. 00**3) / ( 13.00) ] **. E = 14.631 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.665 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7320 SUBAREA RUNOFF(CFS) = 19.1E TOTAL AREA(ACRES) - 9.80 TOTAL RUNOFF(CFS) = 19.12 FLOW PROCESS FROM NODE 51.00 TO NODE 51.00 IS CODE 1 ))) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE( <<<( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ssss ass: ssssss as«: as�srs sass ass s: sass ssr rs: rrss =ssrssssr=rssssss:rrs=rr:ssrs CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AREs TIME OF CONCENTRATION(MINUTES) = 14.83 RAINFALL INTENSITY (INCH. /HOUR) = 2.66 TOTAL STREAM AREA (ACRES) = 9.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 19.12 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 32.08 14.09 2.748 2 19.12 14.83 2.665 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 50.25 50.23 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 50.25 TIME(MINUTES) 14.093 TOTAL AREA(ACRES) = 24.90 FLOW PROCESS FROM NODE 51.00 TO NODE 79.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )) > >)USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( seas assess= ssssssssaassrsrs sssasssssssssssasassssssss ssssssssasssssessssrass = DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.0 UPSTREAM NODE ELEVATION = 1291.00 DOWNSTREAM NODE ELEVATION 1282.00 FLOWLENGTH(FEET) = 450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) 50.25 TRAVEL TIME(MIN.) = .56 TC(MIN.) 14.67 FLOW PROCESS FROM NODE 79.00 TO NODE 79.00 19 CODE 1 ---------------------------------------------------------------------------- ))) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < <( rss« smsrrssa« srssa« sssssssssassssssassssssassssassssssasassassssssssssass =sc CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i AREs TIME OF CONCENTRATION(MINUTES) = 14.67 RAINFALL INTENSITY (INCH. /HOUR) = 2.68 TOTAL STREAM AREA (ACRES) = 24.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 50.25 ® - FLOW PROCESS FROM NODE 994.10 TO NODE 80.00 IS CODE 2 ---------------------------------------------------------------------- > > >) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS <( < << sass =sa «a «marss=amass«aasa�sss sears sssss= maser «ssssasssssssssssss « «sssa «s =mac ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*E(LENGTH**3) /(ELEVATION CHANGE)] **.2 I N i T i A! _ S! 18A RFA F1 nii -1 FNC+TW s 10000-9401 UPSTREAM ELEVATION = 1292.00 DOWNSTREAM ELEVATION - 1263.50 ELEVATION DIFFERENCE - 6.50 TC = .303* t ( 1000.00**3) / ( 8.50) 3 **. 2 - 12.465 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 2.958 SOIL CLASSIFICATION IS " A " COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8287 SUBAREA RUNOFF(CFS) 20.314 TOTAL AREA(ACRES) - 8.30 TOTAL RUNOFF(CFS) s 20.34 FLOW PROCESS FROM NODE 80.00 TO NODE 79.00 IS CODE 3 ---------------------------------------------------------------------------- ) >) ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <(((( )))> )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( rsssa�sssssaraaasrssassrsrssss: s: sr= s¢ a= rrsarrsssa =srsss=r :sxsssssrss :saassar DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 5.1 UPSTREAM NODE ELEVATION = 1283.50 DOWNSTREAM NODE ELEVATION 1282.00 FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) 30.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) _ :0.34 TRAVEL TIME(MIN. ) = 1.64 TC(MIN. ) 14.11 FLOW PROCESS FROM NODE 994.20 TO NODE 79.00 IS CODE 8 ---------------------------------------------------------------------------- > >)> )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW( << << 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 2.746 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8271 SUBAREA AREA(ACRES) = 4.00 SUBAREA RUNOFF(CFS) - 9.08 TOTAL AREA(ACRES) = 12.30 TOTAL RUNOFF(CFS) _ 29.43 TC(MIN) = 14.11 FLOW PROCESS FROM NODE 79.00 TO NODE 79.00 IS CODE = 1 -----------------------------------=---------------------------------------- > >) > >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( > > )> >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( �= rassss= rsz mcss= rsssasrcasssmsrsrrssaasssa= sas =rs =asa :sasss�ssaarrs =�acssa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) 14.11 RAINFALL INTENSITY (INCH. /HOUR) = 2.75 TOTAL STREAM AREA (ACRES) - 12.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 29.43 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 50.25 14.67 2.681 2 29.43 14.11 2.746 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 79.00 77.76 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 79.00 TIME(MINUTES) 14.669 TATzll nmwn ! nr o=C t - "7 PPA FLOW PROCESS FROM NODE 79.00 TO NODE 87.00 IS CODE 3 ---------------------------------------------------------------------------- > >) ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ))))> USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( saazsass rsararssaasassassasssssssmrsasssax: assszassxsssaasssssaz =srrrssssas= DEPTH OF FLOW IN 36.0 INCH PIPE IS 25.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 14.6 UPSTREAM NODE ELEVATION - 128,9.00 DOWNSTREAM NODE ELEVATION - 1273.00 FLOWLENGTH(FEET) - 450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 36.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 79.00 TRAVEL TIME(MIN.) _ .51 TC(MIN.) 15.18 FLOW PROCESS FROM NODE 87.00 TO NODE 87.00 IS CODE = 1 ---------------------------------------------------------------------------- ))>))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < <( << sassssa= sssssaasassassssaassarssssssaaasazsaas :ssazsrasxssssssxssssasssss =z= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) - 15.18 RAINFALL INTENSITY (INCH. /HOUR) - 2.63 TOTAL STREAM AREA (ACRES) - 37.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 79.00 FLOW PROCESS FROM NODE -- 993_10 TO NODE ---------124.00 -IS - - 124 00 - IS CODE _---2------------ )) >) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS( < < << = sassssssssssasssssssssssassasarasassaaazs aaarrsssssaaaaasaa== assnsssssa =s == ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)] * *.E INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1284.00 DOWNSTREAM ELEVATION - 1277.00 ELEVATION DIFFERENCE = 7.00 TC = . 303* E ( 1000.(b0 * *3) / ( 7.00) 7 * *. 2 - 12.959 15.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = E.689 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .828 SUBAREA RUNOFF(CFS) 23.21 TOTAL AREA (ACRES) = 9.70 TOTAL RUNOFF(CFS) = 23.21 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.00 TO NODE 87.00 IS CODE = 3 ---------------------------------------------------------------------------- > ))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<(< << > > >>) USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) <<((< sssszsssa sass: rsrssassassasssrsasssssrssmmsssasarsassssszxsszssssassazssssassz = DEPTH OF FLOW IN 30.0 INCH PIPE IS 19.7 INCHES PIPEFLOW VELDCITY(FEET /SEC.) = 6.8 UPSTREAM NODE ELEVATION = 1277.00 DOWNSTREAM NODE ELEVATION = 1273.0+ FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 23.21 TRAVEL TIME(MIN. ) = 1.72 TC(MIN. ) = 14.68 FLOW PROCESS FROM NODE 993.20 TO NODE 87.00 IS CODE 8 ---------------------------------------------------------------------------- > ))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((< sasassrssssasrsrsssssassnssrsssssaasa: eases: sssssassssssssssasasasssssrsssac 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 2.681 Awl SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8265 SUBAREA AREA(ACRES) 9.50 SUBAREA RUNOFF(CFS) = 21.05 TOTAL AREA(ACRES) = 19.20 TOTAL RUNOFF(CFS) = 44.27 TC(MIN) a 14.66 FLOW PROCESS FROM NODE 87.00 TO NODE 87.00 IS CODE - 1 ---------------------------------------------------------------------------- )))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( > > >))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((< asasssaaaaassseasssssssmssrssssrrsssas��s :s :srsssssrrssasssss =ar=e =srssssa = == CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) 14.66 RAINFALL INTENSITY (INCH. /HOUR) 2.66 TOTAL STREAM AREA (ACRES) = 19.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 44.27 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 79.00 15.18 2.62a 44.27 14.66 2. 681 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 122.37 120.64 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 122.37 TIME(MINUTES) = 1 5. 162 TOTAL AREA(ACRES) = 56.40 FLOW PROCESS FROM NODE 87.00 TO NODE 95.00 IS CODE = 3 ---------------------------------------------------------------------------- >) >> )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<<<< ) >)> )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)(<((( sasssr asses= srrrrssasssar= srararssrsssssssssssssssssssrsasasaassssaas= asasc= DEPTH OF FLOW IN 42.0 INCH PIPE IS 34.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.6 UPSTREAM NODE ELEVATION - 1273.00 DOWNSTREAM NODE ELEVATION - 1258.00 FLOWLENGTH(FEET) = 950.00 MANNINGS N .013 ESTIMATED PIPE DIAMETER(INCH) 42.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) 122.37 TRAVEL TIME (MIN. ) = 1.06 TC (MIN. ) 16.27 FLOW PROCESS FROM NODE 967.10 TO NODE 95.00 IS CODE 6 ) >))> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY (I NCH /HOUR) = 2.521 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8250 • .-.n. - _ wek IV�'IIIV I'l ♦lllvrl /14nrlvvl .. �W f %ws" —, I -.y1 Id1 — lam. ELI TOTAL AREA(ACRES) 57.60 TOTAL RUNOFF(CFS) 124.87 TC(MIN) a 16.:7 FLOW PROCESS FROM NODE 95.00 TO NODE 95.00 IS CODE = i --------------------=------------------------------------------------------- } } }> }DESIGNATE INDEDENDENT STREAM FOR CONFLUENCE < <( << >) » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( = ssssxsssssssasssas :sasssssssssss asses: asas: sssassrssssasssaassas =sssasa=sa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTRATION(MINUTES) = 16.27 RAINFALL INTENSITY (INCH./HOUR) = 2.5E TOTAL STREAM AREA (ACRES) = 57.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 124.87 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HDUR) ------------------------------------------------------------------------ 1 124.87 16.27 2.521 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 124.87 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNDFF(CFS) = 124.67 TIME(MINUTES) = 16.267 TOTAL AREA (ACRES) 57.60 saexx=xsass =xsxss asas =ssssssaxm =sxx =s =s.=saxssssssss s =xssxaxxsssssxax xssssc cc END OF RATIONAL METHOD ANALYSIS m s :ssxsasasasaas saran= ssssaas =ss =as:saasassssssa == RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO'COUNTY (SBC) 1983 HYDROLOGY MANUAL ss a s saa= asssasa= aaasss�ssaaasass: ssssassaasasaasassssasassssaa :xssssasx :ease (C) Copyright 1982 Advanced Engineering Software EAES3 Especially prepared for: HALL & FOREMAN, INC. ** ***** ***DESCRIPTION OF * FOOTHILL DRAIN HYDROLOGY LINE K * 025 * JOHN SIMS 10/9/86 5tOO P.M. J.N. 3366 +� ---------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------------------------------------------------------------- USER SPECIFIED STORM EVENT(YEAR) 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED <CCCCCCCCC<<CCCC(<C<<(<CC(CC(C<<<CC<C<))))))) ) ) ) )))))))))))))))))))))))))))) Advanced Engineering Software EAES3 SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 <(<(<((((<((<(<(((<<(<<(<<<(<(((((((<<>)>)>>) >) >) >))) >))) >)) > >) >)))) > > >) > > >) FLOW PROCESS FROM NODE 992.00 TO NODE 84.00 IS CODE 2 ------------------------------------------------------------------------- ))))>RATIONAL METHOD INITIAL SUBAREA ANALYSIS(( <(( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)3**.2 INITIAL SUBAREA FLOW- LENGTH = 980.00 UPSTREAM ELEVATION = 1273.00 DOWNSTREAM ELEVATION = 1260.00 ELEVATION DIFFERENCE - 13.00 ^rr+ - , .•Y r i Q Am 13. 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.135 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8299 SUBAREA RUNOFF(CFS) 17.17 TOTAL AREA(ACRES) = 6.60 TOTAL RUNOFF(CFS) 17.17 FLOW PROCESS FROM NODE 84.00 TO NODE 88.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) >>> )USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( = ssssssssa= ssassxs= asa=: s= sssssssssa: ssa: sssassssa= msaasssasrsasaasssssssraa= DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.2 INCHES PIPEFLOW VELOCITY (FEET /SEC.) - 6.4 UPSTREAM NODE ELEVATION - 1260.00 DOWNSTREAM NODE ELEVATION 1254.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) _ :7.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) 17.17 TRAVEL TIME (MIN. ) = 2.59 TC (MIN. ) = 13.91 FLOW PROCESS FROM NODE 991.0 TO NODE 8000 IS CODE = e ---------------------------------------------------------------------------- ) > > >)ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( aa = ocs= s= ssssssassxssassssaa= sxasssaassssmsassssaass =sssaasasss =sass= aassxx= 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 8.770 SOIL CLASSIFICATION IS "A'' COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8273 SUBAREA AREA(ACRES) 6.30 SUBAREA RUNOFF(CFS) = 14.44 TOTAL AREA(ACRES) _ 12.90 TOTAL RUNOFF(CFS) = 31.61 TC (MIN) = 1:3.91 FLOW PROCESS FROM NODE 82.00 TO NODE 82.00 IS CODE = 1 >))>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE( <(<( ss s s = a= ssas= s= M. ssassxsssasssssssssssasasxsssaasss= ssss=sasss=sssasssssssss= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.91 RAINFALL INTENSITY (INCH. /HOUR) _ 2.77 TOTAL STREAM AREA (ACRES) = 12.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 31.61 FLOW PROCESS FROM NODE 991.10 TO NODE 991.10 IS CODE = 2 ---------------------------------------------------------------------------- ))> > >RATIONAL METHOD INITIAL SUBAREA ANALYSIS <((<< ___ ===== sx = s aa ___==== xssassaa= aax= sssasasssssssssassssssxasssaacasasss =as =__ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC - K *E4LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1270.00 DOWNSTREAM ELEVATION = 1258.00 ELEVATION DIFFERENCE = 12.00 C = . 303** ( 1000. 00 * * 3) / ( 12.00) 7 * *. 2 = 11.635 25.00 YEAR RAINFALL INTENSITY ( INCH /HOUR) 3.062 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = . 8296 SUBAREA RUNOFF(CFS) = 19.69 TOTAL AREA(ACRES) = 7.70 TOTAL RUNOFF(CFS) = 19.69 FLOW PROCESS FROM NODE 991.10 TO NODE 82.00 IS CODE 3 ---------------------------------------------------------------------------- ) ))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA( <( (< ))))> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( �✓ sss= ssxsxssxssasarxxssssxsssxssxssassssa ssxsssaxr =x =sr=s= ssaxxxrsxxxsxxsas..a DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.7 UPSTREAM NODE ELEVATION = 1258.00 DOWNSTREAM NODE ELEVATION 1254.00 FLOWLENGTH(FEET) = 320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 24.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) 19.69 TRAVEL TIME (MIN. ) = .61 TC (MIN. ) = 12.25 FLOW PROCESS FROM NODE 82.00 TO NODE 82.00 IS CODE 1 ---------------------------------------------------------------------------- )))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <(<<( ) >)))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( as sans= sssassssssssaass= ssssssssssssssxssxsxsrxsrassss= a=sso= =sssssssssssac.- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.25 RAINFALL INTENSITY (INCH. /HOUR) = 2.99 TOTAL STREAM AREA (ACRES) = 7.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 19.69 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY 4INC H/HOUR) ----- -- - - -- --- - -- 31.51 - (MIN 13.91 2.770 2 19.69 12.25 2.969 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 49.85 47.53 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS ) = 49.85 TIME(MINUTES) = 13.905 TOTAL AREA(ACRES) = 20.60 FLOW PROCESS FROM NODE 82.00 TO NODE 81.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )>) ))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( sxxassssxcssssssssssssxsasssasarxxrssr= sxxrrxxxsxrr =x xsrrrssassssasxrss =xs == DEPTH OF FLOW IN 36.0 INCH PIPE IS 29.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.2 UPSTREAM NODE ELEVATION = 1254.00 DOWNSTREAM NODE ELEVATION = 1250.00 FLOWLENGTH(FEET) = 660.00 MANNINGS N .013 ESTIMATED WIPE DIAMETER (INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUPAREA(CFS) = 49.65 TRAVEL TIME (MIN. ) = 1.35 TC (MIN. ) = 15.25 FLOW PROCESS FROM NODE 990.00 TO NODE 81.00 IS CODE = 8 ---------------------------------------------------------------------------- ))))>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((< arsssss= s= asrsassas= aarrarssa= ssa== sss= ssaxassrssrrssss :sss= ssrsssaxxsrrss =c 2 5. 00+ YEAR RAINFALL INTENSITY(INCH /HOUR) 2.620+ SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8260 SUBAREA AREA(ACRES) 9.80 SUBAREA RUNOFF - 21.21 TOTAL AREA(ACRES) = 30.40 TOTAL RUNOFF(CFS) = 71.06 TC(MIN) 25.:5 ® FLOW PROCESS FROM NODE 81.00 TO NODE 91.00 IS CODE = 3 ) >> ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( > >) ))USING CDMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( sass r= ssssssssrssasxsxrss s=s=x=a =s=s=ss=xs: seas =x ==xsss=== ===aa :sssaexs=sxassr DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 28.5 UPSTREAM NODE ELEVATION = 1250.00 DOWNSTREAM NODE ELEVATION = 1242.00 FLOWLENGTH(FEET) = 62.0e: MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) 71.06 TRAVEL TIME(MIN. ) = .04 TC(MIN. ) = 15.29 FLOW PROCESS FROM NODE 974.00 TO NODE 91.00 IS CODE = 8 ---------------------------------------------------------------------------- )> )))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((< scsrsr= rrr =xrxr =sssss sssss= s= sssssr= ssssxr =x= =sssss = ssssx=samsxaassssassss == 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) s 2.616 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8260 SUBAREA AREA(ACRES) _ .70 SUBAREA RUNOFF(CFS) = 1.51 TOTAL AREA(ACRES) = 31.10 TOTAL RUNOFF(CFS) 72.58 TC(MIN) = 15.29 FLOW PROCESS FROM NODE 91.00 TO NODE 91.00 IS CODE 1 ))>) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<(((< s= scar= sccsrssrsrrssrrssrssssasssrr= sss====== s =s ==sssssssasasasssxxraess =asax CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREs TIME OF CONCENTRATION(MINUTES) 15.29 RAINFALL INTENSITY (INCH. /HOUR) 2.62 TOTAL STREAM AREA (ACRES) = 31.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 72.56 FLOW PROCESS FROM NODE 992.10 TO NODE 64.00 IS CODE 2 ---------------------------------------------------------------------------- ))> ))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((<(< = ao- sr == scssssscssrrsssssss= sssssa== ssrsssssssrrsrrsssssrsss= xscsrr�:rsxs = sr= ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *t (LENGTH **3) / (ELEVATION CHANGE) ] * *. 2 INITIAL SUBAREA FLOW - LENGTH = 930.00 UPSTREAM ELEVATION = 1 265.00 DOWNSTREAM ELEVATION = 1260.00 ELEVATION DIFFERENCE = 5.00 TC = . 303+ 1 ( 930. 00 * *3) / ( 5.00) ] * *. 2 = 13,270 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.849 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8279 bum"4KtH Kull4ur t- % I-t- b ) = 1. 4& TOTAL AREA(ACRES) = .60 TOTAL RUNOFF(CFS) = 1.42 FLOW PROCESS FROM NODE 84.00 TO NODE 82.00 IS CODE 6 ---------------------------------------------------------------------------- > >)> )COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( sassssxsccassassssssxssscsx =ssssssasssssssssas :s :sacs =x =sss =sx =sssscssasssc= UPSTREAM ELEVATION 1260.00 DOWNSTREAM ELEVATION = 1254.00 STREET LENGTH(FEET) 1000.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) - 18.00 STREET CROSSFALL(DECIMAL) = .0279 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.93 STREET FLOWDEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) - 7.95 AVERAGE FLOW VELOCITY(FEET / SEC.) - 1.95 PRODUCT OF DEPTHRVELOCITY - .66 STREETFLOW TRAVELTIME(MIN) - 8.54 TC(MIN) = 21.61 25.00 YEAR RAINFALL INTENSITY(INCH /HDUR) 2.115 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8203 _SUBAREA AREA(ACRES) _ . 60 SUBAREA RUNOFF(CFS) 1.04 SUMMED AREA(ACRES) = 1.20 TOTAL RUNOFF(CFS) = 2.46 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 8.98 FLOW VELOCITY(FEET /SEC.) = 1.99 DEPTH *VELOCITY = .73 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 82.00 TO NODE 91.00 IS CODE = 6 ---------------------------------------------------------------------- - - - - -- ® - - >> >> )COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( - -Ms sass= sssssssassssssssscsssscsssxsssxaaacssstsscxsascssaxasasssca UPSTREAM ELEVATION = 1254.00 DOWNSTREAM ELEVATION 1242.00 STREET LENGTH(FEET) 1270.00 CURB HEIGTH(INCHES) S. STREET HALFWIDTH(FEET) = 18.00 STREET CROSSFALL(DECIMAL) = .0279 SPECIFIED NUM &ER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) 4.54 STREET FLOWDEPTH(FEET) _ .41 HALFSTREET FLOODWIDTH(FEET) = 10.52 AVERAGE FLOW VELOCITY(FEET /SEC.) - 2.74 PRODUCT OF DEPTHRVELOCITY = 1.12 STREETFLOW TRAVELTIME(MIN) = 7.71 TC(MIN) = 29.52 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 1.763 SO;L CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8143 SUBAREA AREA(ACRES) 2.90 SUBAREA RUNOFF(CFS) = 4.16 SUMMED AREA(ACRES) 4.10 TOTAL RUNOFF(CFS) = 6.62 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .45 HALFSTREET FLOODWIDTH(FEET) - 12.07 FLOW VELOCITY(FEET /SEC.) = 3.09 DEPTH *VELOCITY 1.39 FLOW PROCESS FROM NODE 91.00 TO NODE 91.00 IS CODE = 1 ---------------------------------------------------------------------------- .f® ) > > > > DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<(< ) > > > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES( <( << CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE: TIME OF CONCENTRATION(MINUTES) = 29.52 RAINFALL INTENSITY (INCH. /HOUR) 1.76 TOTAL STREAM AREA (ACRES) = 4.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 6.62 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ---------------------------------------------------------------------------- (CPS) (MIN.) (INCH /HOUR) 1 72.58 15. 29 2.616 2 6.62 29.52 1.763 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 76.00 55.52 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) - 76.00 TIME(MINUTES) 15.289 TOTAL AREA (ACRES) 35.20 sasses= srxrasrsssr= sarasssssssassrssxaasssrsssassssrassaasssrssassssrsrasm «ac END OF RATIONAL METHOD ANALYSIS �q Lldl f wag g pw4v� gmet CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING :1 SMECT BY DATE JOS NO. SNEET OF MASTER HYDROLOGY STUDY JOHN SIMS . 9/26/86 3366 COMPUTER HYDROLOGY CALCULATIONS FOR THE FOOTHILL DRAIN LINES J & K * Q 100 *REFER TO MASTER PLAN OF DEVELOPED HYDROLOGY FOR NODE LOCATIONS 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 f asarassasazarxzssrssrs =asxssrrsmzzr =z tarot= sz ss =rrsr = = == ass = = =s = =sszsrzasx= RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SEC) 1983 HYDROLOGY MANUAL sszss assts :ssrsss =sates:rr :assasrssszaz tarts= assts= az=sxzsssassrsszx :assaar ({({((({{{({{(({{((({{({(((((((((((((())>)>)> ))) >)))))))))) >)))) >))))))) > >)) (C) Copyright 1982 Advanced Engineering Software EAES3 Especially prepared far: HALL & FOREMAN, INC. * * * * * * * ** *DESCRIPTION OF RESULTS+ *+Fait *+EZt *e+E+t+txx+E�c* +� FOOTHILL DRAIN HYDROLOGY LINE J +� 0100 � JOHN SIMS 10/9/86 11:45 A.M. J.N. 3366 ---------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------------------------------------------------------------- USER SPECIFIED STORM EVENT(YEAR) 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 Amok S P ECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100+.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software EAES3 SERIAL No. A0580A REV. 3.1 RELEASE DATEz 5/01/85 aaae�a�aaa+ Eeeaeexe���ea��zteea* a** eaxeea* �ztaeea* e�e�t�x*�atx+E * *x���aaeee *eee *�� FLOW PROCESS FROM NODE 872.00 TO NODE 48.00 IS CODE _ 2 ---------------------------------------------------------------------------- )>)))RATIONAL METHOD INITIAL SUBAREA ANALYSIS({( {( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *[ * *3) / CHANGE)3 * *.2 INITIAL SUBAREA FLOW- LENGTH = 670+.00 UPSTREAM ELEVATION - 1302.00 DOWNSTREAM ELEVATION - 1291.50 ELEVATION DIFFERENCE - 10.50 TC = .393*[( 670+. 00 * *3) / ( 10.50) 3 * *. 2 - 12.172 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.828 zs:srszasrsassssa L►V i L VrLr►JJ l r t {rM 1 1 6J1 V l A H SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT .7678 SUBAREA RUNOFF(CFS) = 21.46 TOTAL AREAIACRES) = 7.30 TOTAL RUNOFF(CFS) 21.46 FLOW PROCESS FROM NODE 48.00 TO NODE 51.00 IS CODE 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA (( ((( > >) ))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( saasssssasssssssssssasss :sa :sass :aasssssass sass sssssssssssssasassassssssass = DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 3.7 UPSTREAM NODE ELEVATION - 1291.50 DOWNSTREAM NODE ELEVATION - 1291.00 FLOWLENGTH(FEET) - 400.00 MANNINGS N x .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 21.46 TRAVEL TIME(MIN. ) = 1.80 TC(MIN. ) 13.98 FLOW PROCESS FROM NODE 673.00 TO NODE 51.00 IS CODE 8 ---------------------------------------------------------------------------- > > >) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ssxssasssxxssssssasrssrsarrasa rxassx= sxsssssssssxrsssssxsssasssssaxrrrsrsscm 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 3.523 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT - .7607 SUBAREA AREA(ACRES) = 7.80 SUBAREA RUNOFF(CFS) - 20.91 TOTAL AREA(ACRES) = 15.10 TOTAL RUNOFF(CFS) = 42.37 TC(MIN) - 13.96 FLOW . PROCESS FROM NODE 51.00 TO NODE 51.00+ 18 CODE = 2 ---------------------------------------------------------------------------- >))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < < <( ssrasasssssssss> as ssssssaasasssssasxaxasrsssssaasssaa =smssssssasssssxrsrrra =xc CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) - 13.98 RAINFALL INTENSITY (INCH. /HOUR) - 3.52 TOTAL STREAM AREA (ACRES) - 15.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 42.37 FLOW PROCESS FROM NODE 674.00 TO NODE 51.00 IS CODE = c: ---------------------------------------------------------------------------- ) >)> )RATIONAL METHOD INITIAL SUBAREA ANALYSIS( < < <( sssssrrssxs= sa: sss: ssxrrrsssssasssarrsasssxxsssssssssssssssssxxssr= ssrsams.c ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY 41/4 ACRE) TC - K *t(LENGTH * *3) /(ELEVATION CHANGE)( * *.2 INITIAL SUBAREA FLOW- LENGTH - 1000.00 UPSTREAM ELEVATION = 1304.00 DOWNSTREAM ELEVATION = 1291.010 ELEVATION DIFFERENCE = 13.00 TC = . 393* E ( 10 00. 00 * *3) / ( 13. 00) 3 * *. 2 = 14.631 100.00 YEAR RAINFALL INTENSITY ( INCH /HOUR) = 3.400 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY41 /4 ACRE LOT) RUNOFF COEFFICIENT = .7575 SUBAREA RUNOFF(CFS) = 25.24 TOTAL AREA(ACRES) = 9.80 TOTAL RUNOFF(CFS) - 25.24 FLOW PROCESS FROM NODE 51.00 TO NODE 51.00 IS CODE 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( rssasssaasssa :ss :ss :sssassassssaasssass: seas :s :saaasssssasassss : :ssaaas :sass= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) - 14.83 RAINFALL INTENSITY (INCH. /HOUR) a 3.40 TOTAL STREAM AREA (ACRES) - 9.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 25.24 CONFLUENCE INFORMATIONS STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 42.37 13.98 3.523 2 25.24 14.63 3.400 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 66.15 66 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 66.15 TIME(MINUTES) = 13.976 TOTAL AREA(ACRES) = 24.90 FLOW PROCESS FROM NODE 51.00 TO NODE 79.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )> )) )USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( sassaaass= aaaasssaasssssaassssaassr: ssssssssssassssssss =ssssassssasasssss =sa DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 13.9 UPSTREAM NODE ELEVATION - 1291.00 DOWNSTREAM NODE'ELEVATION 1282.00 FLOWLENGTH(FEET) - 450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) 66.15 TRAVEL TIME(MIN.) = .54 TC(MIN.) 14.52 FLOW PROCESS FROM NODE 79.00 TO NODE 79.00 IS CODE = i ---------------------------------------------------------------------------- )) >) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( access= sassasaasaaassa= s= sasaasasssaaasaasssasa =a ffisssssassaasasssaasasaaaca =c CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.52 RAINFALL INTENSITY (INCH. /HOUR) 3.44 TOTAL STREAM AREA (ACRES) = 24.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 66.15 FLOW PROCESS FROM NODE 994.10 TO NODE 80.00 IS CODE 2 ---------------------------------------------------------------------------- )) )))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( =aaasaa�a= sass= aassasssosaaasaasaasasssossssasss =saasaass=sas=asaassssssa =c= ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC - K *t(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW - LENGTH - 1000.00 1lDQTRJ =GM 971 =UMTTMI = 1PQP_ pigs DOWNSTREAM ELEVATION = - 1283.50 ELEVATION DIFFERENCE = 8.50 TC - . 303* E ( 1000. 00**3) / ( 8.50) 3 **. 2 = 12.465 100.00 YEAR RAINFALL INTENSITYIINCH /HOUR) - 3.774 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT a .8333 SUBAREA RUNOFF(CFS) 26.10 TOTAL AREA(ACRES) - 8.30 TOTAL RUNOFF(CFS) a 26.10 FLOW PROCESS FROM NODE 80.00 TO NODE 79.00 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) )) >)USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( assarasrasaasraar :: sass= r= rssass rrrrasr: a= ssssasr =rrrar=a=sr=rassasaarrrrr=. -- DEPTH OF FLOW IN 33.0 INCH PIPE IS 25.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.4 UPSTREAM NODE ELEVATION - 1283.50 DOWNSTREAM NODE ELEVATION - 1282.00 FLOWLENGTH(FEET) = 500.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 33.00 PIPEFLOW THRU SUBAREA(CFS) 26.10 TRAVEL TIME(MIN.) = 1.54 TC(MIN.) N = .013 NUMBER OF PIPES.= = 14.01 FLOW PROCESS FROM NODE 994.20 TO NODE 79.00 IS CODE = 8 ---------------------------------------------------------------------- - - - - -- ) >> )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW(< < <( 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.518 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT a .8321 SUBAREA AREA(ACRES) 4.00 SUBAREA RUNOFF(CFS) - 11.71 TOTAL AREA(ACRES) 12.30 TOTAL RUNOFF(CFS) = 37.81 TC(MIN) = 14.01 FLOW PROCESS FROM NODE 79.00 TO NODE 79.00 IS CODE = 1 > > >) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(( <<( ) >)> >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES( < < <( sasas» sae » » »» sea» armsrsrsraararsrsssarsssraasassrarrra »r =srsrs = = =sc = =aa : =r =c CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) - 14.01 RAINFALL INTENSITY (INCH. /HOUR) 3.52 TOTAL STREAM AREA (ACRES) - 12.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 37.81 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ICFS) (MIN.) (INCH /HOUR) 1 66.15 14.52 3.444 2 37.81 14.01 3.518 AWk RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO i FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 103.17 101.66 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) - 103.17 TIME (MINUTES) 14.516 TOTAL AREA(ACRES) = 37.20 FLOW PROCESS FROM NODE 79.00 TO NODE 87.00 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( raarrrssa =sassrzzazass«zzs:rz sass:: ara :azaszassrasrssaaazasasassssz «tsar_ DEPTH F FLOW IN 39.0 INCH PIPE IS 29.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 15.5 UPSTREAM NODE ELEVATION - 1282.00 DOWNSTREAM NODE ELEVATION - 1273.00 FLOWLENGTH(FEET) - 450.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) a 39.00 PIPEFLOW THRU SUBAREA(CFS) 103.17 TRAVEL TIME(MIN.) _ .46 TC(MIN.) N = .013 NUMBER OF PIPES = = 15.00 FLOW PROCESS FROM NODE 87.00 TO NODE 87.00 IS CODE 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( sa = as ssaasa= sasaass== ssasaaassassssssszsrrsas z : = =r =ra = =rarrsss =resssss =c CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) - 15.00 RAINFALL INTENSITY (INCH. /HOUR) - 3.38 TOTAL STREAM AREA (ACRES) = 37.20 TOTAL STREAM RUNDFF(CFS) AT CONFLUENCE 103.17 FLOW PROCESS FROM NODE 993.10 TO NODE 124.00 IS CODE 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( sasss« sa= a== sssa= s= sss= assraas= ssssssrrsasarsrr = =azszsrr =sazszssss =errs =ssrr ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1284.00 DOWNSTREAM ELEVATION = 1277.00 ELEVATION DIFFERENCE = 7.00 TC = . 303* E ( 1000.00 * *3) / ( 7.00) ] * *. E - 12.959 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 3.687 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT . 8329 SUBAREA RUNOFF(CFS) = 29.79 TOTAL AREA(ACRES) - 9.70 TOTAL RUNSFF(CFS) 29.79 FLOW PROCESS FROM NODE 124.00 TO NODE 87.00 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( sas « «sssassrsasaaassssrsssrsz start= rrzrsaarsassrrrr z =aasrsssssssssarzsrs «as DEPTH OF FLOW IN 30.0 INCH PIPE IS 24.E INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.0 UPSTREAM NODE ELEVATION = 1277.00 DOWNSTREAM NODE ELEVATION = 1273.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N .013 ESTIMATED PIPE DIAMETER(INCH) _ 30.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) 29.79 TRAVEL TIME(MIN.) = 1.66 TC(MIN.) 14.62 w w w w w w v. I*-w'R kww w'R.R'.0 1C C IPRRRRR7PR1CR 7lRRRRR R'R' 1lRRRrlRRR�!'R �yl'R �'#'R kRRRRRIl y! FLOW PROCESS FROM NODE 993.20 TO NODE 87.00 IS CODE e ---------------------------------------------------------------------------- > > >) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW(((<( sasrsrasssaaasasssass:: asasrssasssarsassiesasa= aasaaasssasra :srssrasas 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 3.429 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8317 SUBAREA AREA(ACRES) 9.50 SUBAREA RUNOFF(CFS) - 27.09 TOTAL AREA(ACRES) = 19.20 TOTAL RUNOFF(CFS) = 56.88 TC(MIN) - 14.62 FLOW PROCESS FROM NODE 87.00 TO NODE 87.00 IS CODE = 1 ---------------------------------------------------------------------------- )) >> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ))) >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( sssaa= r= a= asaasr== L= rl=== Srarr�=== 1. rlr rrSr�ir�rr =irA'SSLarraSaraarr= =a s -- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) - 14.62 RAINFALL INTENSITY (INCH. /HOUR) = 3.43 TOTAL STREAM AREA (ACRES) - 19.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE _ 56.86 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------- 1 103.17 15.00 3.377 2 56.88 14.62 3.429 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 159.19 157.46 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 159.19 TIME (MINUTES) = 14.996 TOTAL AREA(ACRES) = 56.40 FLOW PROCESS FROM NODE 87.00 TO NODE 95.00 IS CODE 3 ---------------------------------------------------------------------------- ) > > >> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((<<( )>)) >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)(( < << s: srs== ssasaaaasassams= raascarasasaaaa =rsrassrsasssarc= :ssacsa= :sass== === =sa =.- DEPTH OF FLOW IN 46.0 INCH PIPE IS 35.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.9 UPSTREAM NODE ELEVATION = 1273.00 DOWNSTREAM NODE ELEVATION - 1258.00 FLOWLENGTH(FEET) = 950.00 MANNINGS N .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 159.19 TRAVEL TIME(MIN. ) = 1.00 TC(MIN. ) = 16.00 FLOW PROCESS FROM NODE 987.10 TO NODE 95.00 IS CODE 8 ---------------------------------------------------------------------------- )) >> )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <(<(< 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.249 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8306 SUBAREA AREA(ACRES) 1.20 SUBAREA RUNOFF(CFS) 3.24 TnTQ1 bRRG f QPRCR 1 s 57. AA TnTD1 R) lkfnc7= f P`CC % = t G 4 ? • � •..- ... .�... •..r.. -v. V. • Vv • V . • It. t ♦VI�V. I \VI VI - �L.1•�. 1V TC (MIN) FLOW PROCESS FROM NODE 95.00 TO NODE 95.00 IS CODE = 1 ---------------------------------------------------------------------------- )))> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < <(( ) >) >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((( << asses =� =� =sssa=ssassss=asssass =�= =am=asses= =sssssas ==sas=s =� salsas =ssasa=saa CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.00 RAINFALL INTENSITY (INCH. /HOUR) s 3.25 TOTAL STREAM AREA (ACRES) = 57.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 162.43 CONFLUENCE•INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 162.43 16.01+ 3. 249 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 162.43 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 162.43 TIME(MINUTES) 15.997 TOTAL AREA(ACRES) = 57.60 END OF RATIONAL METHOD ANALYSIS "G a ; s s s sssass= asssas ass= as= asaxsmaass rsssssssaaaaaaaaxsxsssas =sasr =assess : ss;r RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL ass. rsssxrrass asssr; ssssasxsssasrsxasxassssaats asraarasasaszxsaarxa == (C) Copyright 192 Advanced Engineering Software EAES3 Especially prepared fora HALL & FOREMAN INC. <<<<<{(<<<<(<<<<<<(<<<<<<<<<<<<<<<(<<(>>>>)>> > >) > >))) > > > > > > > >)) > > > > > > > > >) > >> * * * * * * * ** *DESCRIPTION OF RESULTS * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FOOTHILL DRAIN HYDROLOGY LINE K * JOHN SIMS 10/9/86 5:10 P.M. J. N. 3366 --------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) - 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) - 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 - YEAR STORM 60 MINUTE INTENSITY(INCH /HOUR) t .980 100 -YEAR STORM 60- MINUTE INTENSITYIINCH /HDUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HDUR INTENSITY ( INCH /HOUR) - 1.4700 SLOPE OF INTENSITY DURATION CURVE _ .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software SAES] SERIAL No. A0580A REV. 3.1 RELEASE DATE 5 /01/6 5 <(<<<<<(<<<<<<<<<<<<<<<(<<(<<(<<<<<<<<>_>))))) )) >)) > >))) >))))) >) >)))))))))))) FLOW PROCESS FROM NODE 99.00 TO NODE 84.00 I5 CDDE ---------------------------------------------------------------------------- )) >> )RATIONAL METHOD INITIAL SUBAREA ANALYSIS( < < <( = ss= zaa= zrs =�szsac= sszszzssxssszasnssszzs= sass= ssssssasxa =sszsrrsrss= s�s ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL ter+ TC = K*E (LENGTH * *3) / (ELEVATION CHANGE) 3* *. c INITIAL SUBAREA FLOW = 980.00 UPSTREAM ELEVATION = 1673.00 DOWNSTREAM ELEVATION = 160.00 ELEVATION DIFFERENCE - 13.00 TC = . 303 *E ( 980.00* *3) / ( 13.00) 7* *. 6 = 11.312 1 ww. xIX L GMK KH 1 lmr MLL i /V 1 t1YD 1 f C 11V{rr1! fyUL/K I = y. (L11GiLA SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8343 SUBAREA RUNOFF(CFS) 22. TOTAL AREA(ACRES) a 6.60 TOTAL RUNOFF(CFS) - 22.03 FLOW PROCESS FROM NODE 84.00 TO NODE 82.00 IS CODE 3 ---------------------------------------------------------------------------- > > > > >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >)) > >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( eeaaasa e: aaaaaasass= sees: ssasaeeasassessesaaaaaaaassasaasaaeeassaeafmaaa =s DEPTH OF FLOW IN 27.0 INCH PIPE IS 20.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) - 6.7 UPSTREAM NODE ELEVATION = 1260.00 DOWNSTREAM NODE ELEVATION 1254.00 FLOWLENGTH(FEET) - 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 27.00 NUMBER OF PIPES i PIPEFLOW THRU SUBAREA(CFS) 22.03 TRAVEL TIME(MIN.) = 2.49 TC(MIN.) = 13.80 FLOW PROCESS FROM NDDE 991.20 TO NODE 82.00 IS CODE 8 ---------------------------------------------------------------------------- )) > >)ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( acasssssaassaassssass ssssssssssessssaass ;sssaaasaeaa :ee :esaasasss =asses=sassss= 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.550 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8323 SUBAREA AREA(ACRES) 6.30 SUBAREA RUNOFF(CFS) - 18.61 ® TOTAL AREA(ACRES) 12.90 TOTAL RUNOFF(CFS) = 40.64 TC(MIN) - 13.80 FLOW PROCESS FROM NODE 82.00 TO NODE 82.00 IS CODE = 1 ---------------------------------------------------------------------------- >)) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( asses= saaaacaassaas assscs cs= saasassasassassaaam= sosssasaaas =asass =ssssssassassss CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) - 13.80 RAINFALL INTENSITY (INCH. /HOUR) - 3.55 TOTAL STREAM AREA (ACRES) - 12.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 40.64 FLOW PROCESS FROM NODE 991.10 TO NODE 991.10 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( aass ass= assesmassass a= saaaaaa =ss =aasaassassaasaaa = : :a�s�ss�s =seas =ssa =aua = =sm ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)3* *.e INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1270.00 DOWNSTREAM ELEVATION = 1258.00 ELEVATION DIFFERENCE = 12.0O TC = .303*[( 1000. 00 * *3) / ( 12. 00) 3 * *. 2 = 11.635 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.933 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8340 SUBAREA RUNOFF(CFS) = 25.26 TOTAL AREA(ACRES) = 7.70 TOTAL RUNOFF(CFS) 25. FLOW PROCESS FROM NODE 991.10 TO NODE 62.00 IS CODE 3 ---------------------------------------------------------------------------- ))> ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA << < (( ) >) >) USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( ssa= sass= a= rzs= sasaaaasssaarssassrssaaasrrsssssmssassssass =aassrss =sr =a =sans DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.4 INCHES PIPEFLOW VELOCITY(FEET / SEC.) - 9.3 UPSTREAM NODE ELEVATION - 1256.00 DOWNSTREAM NODE ELEVATION - 2254.00 FLOWLENGTH(FEET) - 320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 27.00 NUMBER OF PIPES 2 PIPEFLOW THRU SUBAREA(CFS) = 25.26 TRAVEL TIME (MIN. ) _ .57 TC(MIN. ) = 12.21 FLOW PROCESS FROM NODE 62.00 TO NODE 6x.00 IS CODE 1 ---------------------------------------------------------------------------- ))) >)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ))) >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES < <<(< sass=== sm==== o= csrssss= sa= sasss= ss= sass= sassssss =asrssssasrsms =ssa =a =aa = =sc. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) _ le.21 RAINFALL INTENSITY (INCH. /HOUR) = 3.62 TOTAL STREAM AREA (ACRES) - 7.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 25.26 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ----------------------------------------------------------------------- (CFS) (MIN.) (INCH /HOUR) 1 40.64 13.60 3.550 2 25.26 12.21 3.822 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 64.10 61.20 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 64.10 TIME (MINUTES) 13.604 TOTAL AREA(ACRES) = 20.60 FLOW PROCESS FROM NODE 62.00 TO NODE 81.00 IS CODE 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<(((( ))) ))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( ara= a= ssrssar= sssssrsssssssssssssssssssss: samasasss =ssssssaa :assasr =ssmssasc_ DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.9 UPSTREAM NODE ELEVATION = 1254.00 DOWNSTREAM NODE ELEVATION = 1250.00 FLOWLENGTH(FEET) = 660.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 42.00 NUMBER OF PIPES 1 0 PIPEFLOW THRU SUBAREA(CFS) = 64.10 t TRAVEL TIME (MIN. ) = 1.24 TC (MIN. ) 15.04 FLOW PROCESS FROM NODE 990.00 TO NODE 61.00 IS CODE = 6 ---------------------------------------------------------------------------- ) ))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( -- a= sss =x =asmsaasssss:ssass = =sssss= seas= a= mmssasass =asaass =sss =ssassaxsxasac 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 3.372 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8313 SUBAREA AREA(ACRES) 9.80 SUBAREA RUNOFF(CFS) - 27.47 TOTAL AREA(ACRES) 30.40 TOTAL RUNOFF(CFS) = 91.57 TC(MIN) - 15.04 FLOW PROCESS FROM NODE 81.00 TO NODE 91.00 IS CODE = 3 ---------------------------------------------------------------------------- ))) ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( = amaarrsassrsasa= s== sss�rsss= xasasasssss== sasrsssasrssssaer =tarmasssssrsar :=amc DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 30.6 UPSTREAM NODE ELEVATION = 1250.00 DOWNSTREAM NODE ELEVATION 1242.00 FLOWLENGTH(FEET) = 6.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) 91.57 TRAVEL TIME (MIN. ) = .03 TC (MIN. ) 15.06 FLOW PROCESS FROM NODE 974.00 TO NODE 91.00 IS CODE = 8 ---------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ssssaxsx= xxsssxsssasssssssssa: sassssssssssssassssaes =sasssssss :ss === msssssxc= 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.367 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8313 SUBAREA AREA(ACRES) _ .70 SUBAREA RUNOFF(CFS) - 1.96 TOTAL AREA(ACRES) 31.10 TOTAL RUNOFFtCFS) 93.53 TC (MIN) = 15.06 FLOW PROCESS FROM NODE 91.00 TO NODE 91.00 IS CODE = 1 ---------------------------------------------------------------------------- )))) >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) 15.OS RAINFALL INTENSITY (INCH. /HOUR) 3.37 TOTAL STREAM AREA (ACRES) - 31.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 93.53 FLOW PROCESS FROM NODE 992.10 TO NODE 84.00 IS CODE 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS( < <<< a= rssaascaasassl s= sassass= as== sss�s= asxssx= s =sa=axxssso= xsa =a =s :sssoss=xcc= ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLDW- LENGTH = 930.00 UPSTREAM ELEVATION = 1265.00 DOWNSTREAM ELEVATION = 1260.00 ELEVATION DIFFERENCE = 5.00 TC = . 303*E ( 930.00* *3) / ( 5.00) 7 * *. 2 = 13.270 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) - 3.635 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT .8327 bUVHKtH NUNUI'F' ((.:i = 1. !iC TOTAL AREAIACRES) = .60 TOTAL RUNOFF(CFS) 1.82 FLOW PROCESS FROM NODE 84.00 TO NODE 82.00 IS CODE = 6 ---------------------------------------------------------------------------- ' ) > >> )COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( aaasaxsxsassax: ssssssa= xsssxxxsaa rssxax=xsx xx sasaasrssaa=saasa =ssxxsxxaasass UPSTREAM ELEVATION 1260.00 DOWNSTREAM ELEVATION - 1254.00 STREET LENGTH ( FEET) = 1000.00 CURB HE I GTH ( I NCHES) = S. STREET HALFWIDTH(FEET) a 18.00 STREET CROSSFALL(DECIMAL) _ .0279 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 2.49 STREET FLOWDEPTH(FEET) _ .36 HALFSTREET FLOODWIDTH(FEET) - 8.98 AVERAGE FLOW VELOCITY(FEET /SEC.) - 2.02 PRODUCT OF DEPTH &VELOCITY - .74 STREETFLOW TRAVELTIME(MIN) = 6.26 TC(MIN) = 21.53 102+.00 YEAR RAINFALL INTENSITYIINCH /HOUR) = 2.719 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8269 SUBAREA AREAIACRES) _ .60 SUBAREA RUNOFF(CFS) = 1.35 SUMMED AREA(ACRES) = 1.20 TOTAL RUNOFF(CFS) = 3.16 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 10.01 FLOW VELOCITY(FEET /SEC.) = 2.10 DEPTH *VELOCITY = .83 FLOW PROCESS FROM NODE 82.00 TO NODE 91.00 IS CODE 6 ---------------------------------------------------------------------------- )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( ssxssrssassssrmssssrssssrrassssrrsssasssr= ss: ssrxssraassrrssassaassssa=asss= UPSTREAM ELEVATION = 1254.00 DOWNSTREAM ELEVATION 1242.00 STREET LENGTH(FEET) 1270.00 CURES HEIGTH(INCHES) 6. STREET HALFWIDTH(FEET) = 18.00 STREET CROSSFALL(DECIMAL) _ .0279 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF - 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 5.90 STREET FLOWDEPTH(FEET) _ .44 HALFSTREET FLOODWIDTH(FEET) = 1.1.55 AVERAGE FLOW VELOCITY(FEET /SEC.) - 2.99 PRODUCT OF DEPTH &VELOCITY - 1.31 STREETFLOW TRAVELTIME(MIN) - 7.07 TC(MIN) - 26.60 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.293 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8226 SUBAREA AREA(ACRES) = 2.90 SUBAREA RUNOFF(CFS) - 5.47 SUMMED AREA(ACRES) = 4.10 TOTAL RUNOFF(CFS) - 6.63 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .49 HALFSTREET FLOODWIDTH(FEET) x 13.62 FLOW VELOCITY(FEET /SEC.) - 3.20 DEPTH *VELOCITY 1.58 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 91.00 TO NODE 91.00 IS CODE 3 ---------------------------------------------------------------------- - - - - -- ) >)) >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( a= cas=»» arrssaass= asssaasssrssssassssrassrsss =xarssassrrrssr= ss=ssssssrs�ac= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) - 28.60 RAINFALL INTENSITY ( I NCH. / HOUR) - 2.29 TOTAL STREAM AREA (ACRES) 4.10 TAT.tt r•T I7r .1.. t1t •. t/\rr I.Vr PV• AT �S Rt.• -• • .lT� !'.. rte, IQ 1 HL 5 t K=HM KLNVUrr 4 L.r b! #41 L.U1Vr 1_Ut1VL == f. b 5 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CPS) (MIN.) (INCHIHOUR) ---------------------------------------------------------------------------- 1 2 93.53 8.63 15.00 26.60 3.367 2.293 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 98.08 72.33 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) : 98.08 TIME (MINUTES) 15.075 TOTAL AREA (ACRES) x 35.2¢ aMxss. xsaxxszs szxassszas= axxszsxzssxsxxssxzs: ssssaszxsxassssssssasasssassaxc END OF RATIONAL METHOD ANALYSIS N 1101