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Home My WebLink AboutTract 13332 South Park Offsite Studyi' CITY OF FONTANA �Q EESS /O f � o ql OCTOBER, 1988 ;�� ,�oMg F y EXPllt�.s y 2 RL.V JUDY =o No. 15795 a " 6 30 - 89/� CIVIL 9TF OF CA �F�� P SOMAS OOU F -SSO4G HVDIR OOLOWY STUDY QGvJD HVDG°3AULD0 CALCULATOOMS FOR TRACT b SIM2 SOM4N1 PARK I (4M ET0104) �r i' CITY OF FONTANA �Q EESS /O f � o ql OCTOBER, 1988 ;�� ,�oMg F y EXPllt�.s y 2 RL.V JUDY =o No. 15795 a " 6 30 - 89/� CIVIL 9TF OF CA �F�� 1 P SOMAS �lrQ ° l5� oO�' � oOI�4G�G�J4� E TI N i 1 DESIGN CHARTS AND MAPS 2 HYDROLOGIC CALCULATIONS 100 -YEAR FREQUENCY 3 STREET FLOW CAPACITY 4 CATCH BASINS 5 HYDRAULIC CALCULATIONS (v r=x H /B/ TS a a a a a 1 � _ 1 •I . ..'� - ---- :_ :. -.- � — _- - =-_'• ' q *ark °ti' / 11 'well r - _ ': ,y�� u, •; vAGAHf(>LNINEG�\ D Y vrEYEA►IAUSER ,• �IKJi1ALRESI AL� •••� _ .LA!!P4 E •� YA�.ANT�. _ - _ INOl16TRIAL PARCEL C RILL EI1 M INMXTRIAL r —� • • ' '�'' .'i2 ::• - �,� :I • AWetLE MAP #4902 i _ .. &tom .. HR1[1E . .•...• • . v„ '' � 1 .II W . ( . N :•:p:...... •:ci:::;i CKEN FARO i •: 1 ■ i r V 11C/l}1T I' ti ... 1 W W tJr W 1060 Q NEW orw :.0 FARM —[ , ...., :�i: = ti :•::•:::;•:;::. , , lJIR7�! T RES I, VA .. RESS. FARMS • • II t .. RESIDENTIAL .: r -- ... AREA ` :S . B►oomin n• . . . . . . . . . . . . . .. ..... . ........ ........... .. 6� I Is •i .JrP -- �•,, I.0 1 2 - Hi s • i. ch e A t ............. ............... kk, • I" ..::.x: ".�>u' �. :ii: Zimmerm • ul �hq �.` • f: • i' w ! �:P,l ? y;• ' : — • � I� I � ;. �C2 � Th L0T 9ESIOEHYIAL t4 .F T 'v_ : �' �';•::�.x xar - - t • J fAAIY■ � ": o •. �N . Y ACANf (� -- 4 y� O . ` J I.• .. = � " •-••,� • �= Xac,'? Q» a',�•.�.Eoc«;x;=�aiieiz;r3;:;�: — -- = " ! . ;1 �: , • .IURUPA AVE?EJE �.: YSk�• i ; ' , it i`?a" : QU414j.iyP • Park �F~ 001/TI.iY00E YItLAGE _ /' \ � p l I l � + i •;: - is � ! \ _ _ • • / : fLAt++EG RESIDENTIA �� •'a:++.!a!!!! � ± u + . • _ _ . - - ' - � � - •'i .➢.1t�.� • -_ __ _ _ _ Q i e l l - •% ; J • ^�- — � � i • •• • . J � : J —. • lt•� / N I , f i r m • • • ,N • S VOW ( , VIP ..,.� _ ,ti. .� �,k•: .,�.• ..a - _ � �� ; 'r% +�•��="`��'' • •- - - �_* ;�' ., ' .i ' � _ ': �; �a ' t�9 %�i.r .< ; .i' . v-- �1 �� , 'C uar 1r...,�.: •�ti '1i� -�;� p, ;'` I:: 'w . 'U•.- ai� s'• /7 _ �L'< t �s�6 yj' . . /... -'_ `i •% t , '�/ I '��. ` .� ` r •: �:.,,. - _ - � \, -� `. '!�� Y ; �• 'J!i % '',i Iflr li�i; � •. ;'`1 ii �:i -^�. rJ , t ' I% . /•' - - 1f J; l : { -J' e M: : rY • t,ti: •,:, Y i a . ut .l _�� - •: �� ., - `, • �� „ ..._.�y �' - , : , SAS ft IT 'i�;`;,,,,- .2, �.. .. ,11 -. - � �. �t __ '' i �._ - ::ti l : �•Z ^'_ �� '',�' .1 '�� `' i.:1 - .1' {P. .Ili .' .1,. ,'i:, _ _ _ n l `'� - -. i „ J ,5 ,. ( r / 11 R ;11 ; •I (• O' f i' J tll u ;'. 1, a)) ' sue: •• p / 3 r ! !I Ct /� 1 t :•�� '�,,� J I V' t E� _ _ , i� i - rte :.• � :'� _ a :: % /�', ; ,' !, - rr .� • r`�,, " 1, - X1.1.' �• == :.:%•: 1'{ •l �. 'a•�': -- - _ I _ .,,�; `:�- ,l '� '�•.. it :'j,'sri`'� l +n "r _ . n ), ` 1 FIGLIFiE 3 EXISTING CONDITIONS SOUTH PARK FIRST CITY PROPERTIES, INC. - CITY OF FONTANA 1 INI MllNWNUp ffUfllllKlHMKW un . . ...... UNNIN low ■ eggs MKIIIII "In mean moose In" 11214 I AND -� — J. R 6W R5� 1 I 4W R2W - _ _ L �� RIW R2E - i 4- 1 w _ _ I .f T . - . - - - . - -- - — — -- — — - - I _ — - —� Li I - — I4N I I - - s. { 'k ' I -4 6 I 5 I • MY °•t 2, � I 1. 1 I I I a '� i �'. T' r 4 e I p� I 1 1 �, i. I y-- - y - t ' \ s f .o t .z l/ � ' r R- + �a _ I•�• fy _ _ i _ _ _ • , i '! i I I I. i ' xo c.« r K S�- _- L.9L - y .{ `/ l/ I ' Si f" 4 1 ( { l I .f I z �L, I 22 I• I I�'` 1 M!•+C: � � I/ - • {� i Iv I 1 r �r if - 4. -I - i �,• r f ; ft ., - - s ir H. ± - - t' -1 - - i 2.S' T1r 1 I NO s. N r:a ' , I • e,.. - � ' - •1-- : �..>�� i - j I It BE : rj ; • .~ - I- '< --r .1.. ;_._ �-1� r l �- �. ' _ • p. L • • • • • , MIDI.« f -� - -� �.• t _ - - - - . 1.{ •: `ysR2c7. - -- -- - - - - - �. \ �i - - fo f- `" s- - - (' �� a � Y• _ I.t -r.- ,ylly y��ly� >I� - - N -134%ST?N _r -�'�• \ \ �. �_ �1 _, ' _ `! •• , u 'ate'«. u '. ~ I. }j cw. /I y :i F • — c. TIN (( , LT I `�- �' - •/ - _ _ 14 _ �... : Fa :�.. •s. t wi _ _ r ".- - 1,1�..,i /l!T{ - .._ -I- 1 Ytc• �•• - t -- -- r - - -- o- I 1. { \ - •T • ..;k,� '1 f , V E LYI, •- _ — — _' . - - - - i-- - �L y, ri' ' •��pr '� - I I w1' - - - -� - t .. . I Iy t •'`�< < g -� - s R � _ 1 � 1 i y • N �• • i•.i \ Z- " .7 I IMF Al CLAmmom ;� I _ P L � - 4 . t ••• • 1 _ R- •. � 3/ �„ /_ «r `. i.•' j' -� I sw mano.lo I i � \; ` i I I TA ,� 't - `2 • _ ; - • - S �'`'- -�- F. — J _ ON TA (0 a:• COLT N• i a i — i. REDLANOS a•c. «' 1 1. '— — T•fS •!••• •• .1.2 , C •• " fT11011t .� I I • ��• nt .a i r . w.. at. - _- .- .._ � ( L {- ,\ -� '� - t•<, s , °, I i . .d •, �M °tw re.�ce 1.2 a.. �ue�lrr °•�c t� :� 1 I 1.{ t a I :. Ivt fac R I - eou , S 7 — - - � - 16 ' ' \� - ( I 11.1 - ~ - - - I -- - - - - - s - • - ' , 1-3.•00 11[ {IOM 't •: <' __ . PaP - -'_ , _ _ _ t _ __. -- _ _ _ {1011•{ R4W R3 b_ «.,...t •` -�� R2W \ RI • r Z4' SAN 8"NARom COUNTY 5 :I CONTROL T3S - — " -- REDUCED DRAWING VALLEY AREA �•�• •• i _ L8-1f '•"�. -' - - - - - -- - '• A ; _ j, - SAN 6ERNARDINO COUNTY SCALE 1" = 4 MILES OOHWETALs Y� —� YEAR I HOUR 11A{ED ON b-{pG, ppAA tW t lwi _ 8 W •'• W '•'• HYDROLOGY MANUAL -` •••••••••••••••• ......•.•..•'• ISOLINES PRECIPITATION (INCHES) C Wt WAWA in � 1Q MIX ton r•{IR wee IM12 a 4 RATIONAL METHOD HYDROLOGY PER EXHIBITS A & B 1 1 1 1 �.l **************************************************************************** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE �� _--'----'_-- J1�I/�]^�_11�DEl[%.��Y_[:FO�TERION1_--_- -'-__ _ -- (c) Copyright 1983-88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # DE1711 m� Especially prepared for: ************************** DESCRIPTION OF STUDY ************************** _t_O NU * TRIBUTARY AREAS : AREAS "A" TO "J" * * 100 - YEAR STORM N.B.T. * U� FILE NAME: SPABKOFF.DAT __---]� -' ============================================================================ USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL*-- -u� / -_� _____-- SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = 0.95 ±MUR-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE `=.�0`�` |�� ------- |-- ` FLOW PROCESS FROM NODE 36.00 TO NODE 25.00 IS CODE = 7 - -- — -------------'---- >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< | ============================================================================ _ _JJ _ - N� TC(MIN. ) = 32.53 RAINFALL INTENS%TY(INCH/HR) = 1.95 n� EFFECTIVE AREA(ACRES) = 416.39 - TOTAL -AREA .=_-_ -__-929"78__-__- AVERAGED LOSS RATE, Fm(INCH/HR) = 0.044 NOTE: EFFECTIVE AREA IS USED AS THE TOTAL CONTRIBUTING AREA FOR ALL CONFLUENCE ANALYSES. FLOW PROCESS FROM NODE 25.00 TO NODE 25.00 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM <<<- TOTAL NUMBER OF STREAMS = 3 _CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 TIME OF CONCENTRATION(MIN.) = 32.53 RAINFALL INTENSITY(INCH/HR) = 1.95 -AV - EFFECTIVE STREAM AREA(ACRES) = 416.39 TOTAL STREAM AREA(ACRES) = 534.00 � -�'7 I PEAK FLOW RATE(CFS) AT CONFLUENCE = 929.78 ' w� FLOW PROCESS FROM NODE 4.00 TO NODE 25.00 IS CODE = 7 ____________________________________________________________________________ l>>>>USEB-SPECIF-I IOU- ----'-------- USER-SPECIFIED VALUES ARE AS FOLLOWS: T]C(MIN"') _ ----------'— -- -- EFFECTIVE AREA(ACRES) = 248.17 — TOTAL AREA(ACRES) = 302.40 PEAK FLOW RATE(CFS) = 581.39 -_'--. - --_--_- W� NOTE: EFFECTIVE AREA IS USED AS THE TOTAL CONTRIBUTING AREA FOR ALL �� °� CONFLUENCE ANALYSES. ---- _--_____-_- * >}>}>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: RAINFALL INTENSITY(INCH/HR) = 3.04 AVERAGED Fm(INCH/HR) = o.*/ EFFECTIVE TOTAL STREAM AREA(ACRES) = 302^ 40 L PEAK FLOW RATE(CFS) AT CONFLUENCE = 581.39 FLOW P __�-��`^- ------------------------------------ ___----------------------------------- i_ >>)>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS{<<{< ============================================================================ �Q -------------'------------'--- --------------------------'-- - ' ---- NATURAL AVERAGE COVER |~~ TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]**0.20 / ___� INI��TIAL �� SUBAREA FLOW-LENGTH(FEET) = 750.00 �� N� UPSTREAM ELEVATION(FEET) = 2040.00 DOWNSTREAM ELEVATION(FEET) = 1800.00 _ ELEVATIQN_DIFFERENCE(FEET) =240.00 TC(MIN.) = 0.706*[( 750.00** 3.00)/( 240.00)]**0.20 = 12.526 100 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 3.456 | SOIL _CLASSIFICATION 'B^ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 0.5600 SUBAREA RUNOFF(CFS) = 26.04 TOTAL AREA (ACRES) 9.99 26, **************************************************************************** | ---------------'----'-------'------------------------------------- '-�-- ` FLOW PROCESS FROM NODE 52.00 TO NODE 53.00 IS CODE = 5 ------------------------------------- ______________---------------- >>>>>COMPUT TRAPEZO D FLOW<<<<<_ 7 ~ -'--'--� | >>>>>TRAVEL TIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM NODE ELEVATION(FEET) = 1800.00 - DOWNSTREAM NODE ELEVATION(FEET) = 1420.00 ' CHANNEL LENGTH THRU SUBAREA(FEET) = 900.08 CHANNEL BASE(FEET) = 10.00 "Z" MANNING'S FACTOR = 0.020 MAXIMUM CHANNEL FLOW THRU SUBAREA(CFS) = - -FLOW-\/EL n� TRAVEL TIME(MIN.) = 1.02 TC(MI! FACTOR = 2.000 DEPTH(FEET) = 5.00 26.04 FLOW -DEPTH (FEET) =__ 0~17 \1.) = 13.55 **************************************************************************** FLOW PROCESS FROM NODE 52.00`TO NODE 53.00 IS CODE = 8 >>}>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 3.297 -_---_-___'_- N� SOIL CLASSIFICATION IS "B" ~~ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 0.5600 SUBAREA EL89 L___-_'_'_ EFFECTIVE AREA(ACRES) = 29.84 RAGE N�� R� Q AVERAGED �mmx� �� = .560 | ��, PEAK FLOW RATE(CFS) = 73.50 U� TC(MIN) = 13.55 **************************************************************************** | FLOW PROCESS FROM NODE 53.00 TO NODE 54.00 IS CODE = 8 ------ -------- ----- ----- --------- ---- ---- --------- ---- ---- ------------------ ' _>>>>>ADDITION OF SUBAREA -Tl]1 MAIN ' 1PEAK -FLI)W{<<<<-_.---.. ============================================================================ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.083 `- jSOIL. "B ---------' -' --- NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 0.5600 SUBAREA AREA(ACRES) = 50.31 SUBAREA RUNOFF(CFS) = 114.24 EFFECTIVE AREA(ACRES) _�_-_.80�1��-__--_._---__-_--_- -----_--_ _ -- AVERAGED Fm(INCH/HR) = 0.560 ' TOTAL AREA(ACRES) = 80.15 PEAK FLOW Q�� =1�2�00 |� ------ --- ----'-------'- ---- -- - - TC(MIN) = 15.15 **************************************************************************** cr/nu pnnrr7czq r7onw wnnp7 s4 uo rn wnnF 7'S'00 7q [ODE = 5 ______________ _____________________ _-_-_-- >>>>>COMPUTE TRAPEZ{]IDAL-CHANNEL FLOW<<<<< >>)>>TRAVEL TIME THRU SUBAREA<<<<< �- ` ******* *** ***** / -F -_ --___- PRO CESS FROM N ODE _-__-------'__--__--_-_'_- 54.00 I �CODE 5 �� - _______________________________________________________________________ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< TIME THRU SUBAREA<<<<< UPSTREAM NODE EL . DON(FEET =''�"-�`420.'00' ' -- CHANNEL LENGTH THRU SUBAREA(FEET) = 1600.00 CHANNEL BASE(FEET) = 10.00 °Z" FACTOR = 2.000 |w� CHANNEL FLOW THRU SUBAREA(CFS) = 73.50 � FLOW VELOCITY(FEET/SEC.) = 16.65 FLOW DEPTH(FEET) = 0.41 '- TRAVELTI MIN.>-- -_1.60__-TC =15..1 **************************************************************************** | FLOW PROCESS FROM NODE 53.00 TO NODE 54.00 IS CODE = 8 ------ -------- ----- ----- --------- ---- ---- --------- ---- ---- ------------------ ' _>>>>>ADDITION OF SUBAREA -Tl]1 MAIN ' 1PEAK -FLI)W{<<<<-_.---.. ============================================================================ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.083 `- jSOIL. "B ---------' -' --- NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 0.5600 SUBAREA AREA(ACRES) = 50.31 SUBAREA RUNOFF(CFS) = 114.24 EFFECTIVE AREA(ACRES) _�_-_.80�1��-__--_._---__-_--_- -----_--_ _ -- AVERAGED Fm(INCH/HR) = 0.560 ' TOTAL AREA(ACRES) = 80.15 PEAK FLOW Q�� =1�2�00 |� ------ --- ----'-------'- ---- -- - - TC(MIN) = 15.15 **************************************************************************** cr/nu pnnrr7czq r7onw wnnp7 s4 uo rn wnnF 7'S'00 7q [ODE = 5 ______________ _____________________ _-_-_-- >>>>>COMPUTE TRAPEZ{]IDAL-CHANNEL FLOW<<<<< >>)>>TRAVEL TIME THRU SUBAREA<<<<< �- ` �ii ============================================================================ UPSTREAM NODE ELEVATION(FEET) = 1110.00 DOWNSTREAM NODE ELEVATION(FEET) = 1056.00 CHAN (EEF-I)L = ' ' -- CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 2.000 MANNING'S FACTOR = 0.020 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL-F-LOW_IHRU_SUBA REA-CGFS) = - _- FLOW VELOCITY(FEET/SEC.) = 12.89 FLOW DEPTH(FEET) = 1.15 TRAVEL TIME(MIN.) = 2.13 TC(MIN.) = 17.28 --FL[&W- ____________________________________________________________________________ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ============================================================================ 100 YEAR RAINFALL%NTENS%TY(INCH/HOUR) = 2.849 N� SOIL CLASSIFICATION IS °B° [_ --'-TURAL---AVERAGE-MVER-tBRASS" SUBAREA I OSS RATE, Fm_clNCliZHRl__=_(l_560_0_____�� SUBAREA AREA(ACRES) = 28.86 SUBAREA RUNOFF(CFS) = 59.45 EFFECTIVE AREA(ACRES) = 109.01 [ -AVERAGED TOTAL AREA(ACRES) = 189.01 PEAK FLOW RATE(CFS) = 224.54 TCjMI�� - FLOW PROCESS FROM NODE 25.00 T8 NODE 25"00 IS CODE = X --__>>>>>DESIQNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>}>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< -' ============================================================================ _ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: Z TIME OF CONCENTRATION(MIN.) = 17.28 RAIWFALL_I hJCH/HRY_-=_-_��f}5i_-_-___'_____-________ AVERAGED Fm(INCH/HR) = 0.56 / EFFECTIVE STREAM AREA(ACRES) = 109.01 TOTAL. ------ PEAK FLOW RATE(CFS) AT CONFLUENCE = 224.54 _ RAINFALL - INTENSITY ._AND L.TIME _{]F- CONCENTRATION T]I�_____-____'_---_. CONFLUENCE FORMULA USED FOR 3 STREAMS. PEAK FLOW --'-----'-- Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 1496.39 15.49 0.331 544.14 _1400.41 3[2.53'--__--_-{).253[ 773.57 __-__--__-------------- 3 1489.41 17.28 0.324 578.42 COMPUTED CONFLUENCE ESTIMATES LOl��- PEAK FLOW RATE(CFS) = 1496.39 Tc(MIN.) = 15.490 EFFECTIVE AREA(ACRES) = 544.14 AVERAGED Fm(INCH/HR) = 0.33 N� TOTAL AREA(ACRES) = `��41 --_-_--------__--- --_-_-'_-_- - __. FLOW PROCESS FROM NODE 25.00 TO NODE 46.00 IS CODE = 3 ____________________________________________________________________________ N� >>>>>COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ DEPTH_O ^l)_J NC PIPE-FLOW VEL8CITY(FEET/SEC.) = 16.6 UPSTREAM NODE ELEVATION(FEET) = 1029.00 DOWN FLOW LENGTH(FEET) = 1300.00 MANNING'S N = 0.013 ESTIMATED PIPE DIAMETER(INCH) = 138.00 NUMBER OF PIPES = 1 -PI -- -- FLOW PROCESS FROM NODE 46.00 TO NODE 46.00 IS CODE = 1 --------~------------------------------------------------------------------- --'----------- )>>>>DES%GNATE INDEPENDENT STREAM FOR CONFk-UEWCE<<<<< TOTAL NUMBER OF STREAMS 3 � CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN. ) = 16.79 [ ' - RAINFALL AVERAGED Fm(INCH/HR) = 0.33 EFFECTIVE STREAM AREA(ACRES) = 544.14 ---TOTAL STREAM AREA(ACRES) = 945.41 PEAK FLOW RATE(CFS) AT CONFLUENCE 1496.39 * * FLOW �� PROCESS-FROM�N8DE`� TO.�NODE',,� `58.002| |'CODK� = ` ' -' (r- >>>>}RATIONAL METHOD INITIAL SUBAREA ANALYSIS{<<<< ========== ======================================================= -'----' 2# �� = ��C��** � ��E�E��TI8� CR�NGE��**0 yw� ^ ^ ^- INITIAL SUBAREA FLOW-LENGTH(FEET) = 900.00 UPSTREAM ELEVATION(FEET) 1063 ____ DOWNSTREAM ELEVATION(FEET) = 1054.00 '- ELEVATION DIFFERENCE(FEET) = 9.00 TC(MIN.� = 0.438*[� 900.00** 3.00>/( 9.00>]**0.20 = 16.717 � 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.906 |N� SOIL CLASSIFICATION IS "B" RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA INCR/}iR 1 - SUBAREA RUNOFF(CFS) = 20.79 TOTAL AREA(ACRES) = 9.70 PEAK FLOW RATE(CFS) = 20.79 **************************************************************************** FLOW PROCESS FROM NODE 56.00 TO NODE 57.00 IS CODE 5 ____________________________________________________________________________ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVEL TIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM NODE ELEVATIONWEET) = 1054.00 DOWNSTREAM T �~~ _ _-'-' CHANNEL LENGTH THRU SUBAREA(FEET) = 1550.00 CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 99.990 N� __MANNING" T _ w� CHANNEL FLOW THRU SUBAREA(CFS) = 20.79 FLOW VELOCITY(FEET/SEC.) 1.48 FLOW DEPTH(FEET) = 0.38 1 ' TRAVEL TIME(MIN.) = 17.72 TC(MIN.) = 34.44 FLOW PROCESS FROM NODE 56.00 TO NODE 57.00 IS CODE = 8 ____________________________________________________________________________ >>>>->A�D-IZICN-_OE'-SUBMBEA_]JD-'MAINL-LNE_2EAK_ELOW - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.884 _-'SOIL _CLASSIFICATION L-JjS_�J�.�-__- RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.5250 SUBAREA AREA(ACRES) = 31.71 SUBAREA RUN8FF(CFS) = 38.77 .0W AVERAGED Fm(INCH/HR) = 0.525 J� -~ TOTAL AREA(ACRES) = 41.41 63_-_-___ TC(MIN) = 34.44 **************************************************************************** FLOW PROCESS FROM NODE 57.00 TO NODE 46.00 IS CODE = 3 _________--- >>>>>COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA<<<<< >>)>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW){<<<< ,- DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.4 INCHES PIPE-FLOW VELQCITY(FEET/SEC.) = 10.8 |��----- ------ `- DOWNSTREAM NODE ELEVATION(FEET) = 1025.00 FLOW LENGT8KFEG3I = 750.00 MANP43N6D»S N = 0.013 -- NUMBER OF PIPES 1 -------- 63 P%PE FLQW{CFS� = 50 |_~ - ^ TRAVEL TIME(MIM.) = 1.16 TC(MIN.) = 35.60 -__- _-- ' FLOW _PROCESS - FROM -NODE 57,{)0LTO 1 NODE 46.00_IS CODE= |N� --------------- ---- ------- ---- -------- ----- ---------- ----------------------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ============================================================================ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.846 CLASSIFICATION IS "B`^ -__RES_I DWELLINGS/ACRE H/HR)_='0. SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 54.71 EFFECTIVE AREA(ACRES) = 87.41 _ _ TOTAL AREA(ACRES) = 87.41 PEAK FLOW RATE(CFS) = 103.96 TC(MIN) 35.60 FLOW PROCESS FROM NODE 45.00 TO NODE 46.00 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUT .TRAVEL' TIME THRU SUBAREA<<<<< ` >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ m �------- D EPTH OF FLOW PIPE-FLOW VELOCITY(FEET/SE[.) = 7.5 UPSTREAM NODE ELEVATION(FEET) = 1042.00 Ell DOWNSTREAM NODE ELEVATION(FEET) = 1040.00 FLOW LENGTH(FEET) = 700.00 MANNING"S N = 0.013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 -PIPE7.FLOW_([ESl_ = - ____ _____ - TRAVEL TIME(M%N.) = 1.55 TC(MIN.) = 37.15 **************************************************************************** FLOW PROCESS FROM NODE 46.00TO NODE 46.00 IS CODE = 1 ___________________________ _____ ____________________________________________ --_ __- _ >>}>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ============================================================================ -_-]]J _--' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 37.15 l.eo AVERAGED Fm(INCH/HR) = 0.52 EFFECTIVE STREAM AREA(ACRES) = 87.41 _'--IQTAL PEAK FLOW RATE(CFS) AT CONFLUENCE = 103.96 **************ae************************e*********************************** FLOW PROCESS FROM NODE 140.00 T0 NODE 141.00 IS CODE = 2 ____________________________________________________ >}}>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< NATURAL AVERAGE COVER UPSTREAM ELEVATION(FEET): DOWNSTREAM ELEVATION(FEET) = 1130.00 ELEVATION DIFFERENCE(FEET) = 370.00 100 YEAR RAINFALL INTENS%TY(INCH/HQUR) = 3.282 SOIL CLASSIFICATION IS °B^" NATURAL _AVERAGE �-COVER ,^GRASS.,. SUBAREA -|RATE�]FmllINCH/HR1=-0"'5600 SUBAREA RUMOFF(CFS) = 18.54 TOTAL AREA(ACRES) = 7.57 PEAK FLOW RATE(CFS) = 18.54 ` *********** ***************************************************** _____FLOWPROCESS FROM NODE 141.00 TO NODE 142.00 IS CODE 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< -- TIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION(FEET) = 1130.00 DOWNS TREAM NODE EL EVATION(FEET) 1070.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 2.000 -MANNIN CHANNEL FLOW THRU SUBAREA(CFS) = 18.54 FLOW VELOCITY(FEET/SEC.) = 8.82 FLOW DEPTH(FEET) = 0.20 **************************************************************************** FLOW PROCESS FROM NODE 141.00 TO NODE 142.00 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ============================================================================ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.140 � SOIL-CLASS-IFCATION-1-S "S" __ --------------- -~ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 0.5600 SUBAREA AREA(ACRES) = 13.63 SUBAREA RUNOFF(CFS) = 31.65 EFFECTIVE-ABEA-( -------------'----- -- N� AVERAGED Fm(INCH/HR) = 0.560 TOTAL AREA(ACRES) = 21.20 -PEAK-FL --- ----'------- NM TC(MIN) = 14.69 **************************************************************************** N� FLOW PROCESS FROM NODE 142.00 TO NODE 46.00 IS CODE = 5 � --------------------------------------------- ___ ----- _---------------------- '-' >>>>)COMPDTE TRAPEZOIDAL-CHANNEL FL8W<<<{< >>>>>TRAVEL TIME THRU SUBAREA<<<{< UPSTREAM NODE ELEVATION(FEET) = 1070.00 DOWNSTREAM NODE ELEVATION(FEET) = 1040.00 -CHANNEL ----- CHANNEL BASE(FEET) = 10.00 °Z" FACTOR = 2.000 MANNING»S FACTOR = 0.020 MAXIMUM DEPTH(FEET) = 5.00 r~ --------- CHANNE -------- FLOW VELOC%TY(FEET/SEC.) = 11.86 FLOW DEPTH(FEET) = 0.39 TRAVEL TIME(MIy4.) = 0.42 TC(MIN.) = 15.11 . IS CODE 8 FLOW PROCESS FROM NODE'. 142'.'0Qj0..'N0DE: ____ ___- >>>>>ADDITION OF SUBAREA TO MAINLINE LOW<<<{< 100 YEAR RAINFALL INTENSITY (INCH/HOO�T 3.088 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS`` SUBAREA LOSS RATE. Fm(INCH/H =0.5600 �� `��`� R> �� SUBAREA AREA(ACRES) = 17.41 SUBAREA RUNOFF(CFS) = 39.61 EFFECTIVE AREA(ACRES) = 38.61 AVERAGED F (INCH/HR> 560 TOTAL AREA(ACRES) = 38.61 PEAK FLOW RATE(CFS) = 87.83 **************************************************************************** FLOW PROCESS FROM NODE 46.00 T8 NODE 46.00 1S CODE = x _____________-______________________________________________________________ ' >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS COMFLUENCEQ STREAM vALuES<<<<< ============================================================================ TOTAL NUMBER STREAMS ---'--------��- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MIN.) = 15.11 - RAINFALL r AVERAGED Fm(INCH/HR) = 0.56 EFFECTIVE STREAM AREA(ACRES) = 38.61 - --- PEAK FLOW RATE(CFS) AT CONFLUENCE = 87.83 ---------- ~~ COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK EFFECTIVE AREA(ACRES) = 622.27 AVERAGED Fm(INCH/HR) = 0.36 N� TOTAL AREA(ACRES) = 1071.43 **************************************************************************** r _-FLOW >>}>}CQMPUTE PIPE-FLOW TRAVEL TIME THRB SUBAREA<<<<< - ============================================================================ DEPTH OF FLOW IN 132.0 INCH PIPE IS 97.1 INCHES P% ' UPSTREAM NODE ELEVATION(FEET) = 1023.56 DOWNSTREAM NODE ELEVATION(FEET) = 1012.89 Y- ESTIMATED PIPE DIAMETER(INCH) = 132.00 NUMBER OF PIPES = 1 PIPE-FLOWKCFB�� = 1685.12 U�- ---- FLOW PROCESS FROM NODE �5 ~ 00 TO NODE 6�� IS . 00 � CODE = 2 ' ____________________________________________________________________________ - >>>>>DESIGNATE INDEPENDENT _STREAM i-FOR _{3ONF`UENCE<<<<<- ============================================================================ TOTAL NUMBER OF STREAMS = 3 - -_-_- -_- -'--'_ TIME OF CONCENTRATION(MIN.) = 17.78 RAINFALL INTENSITY(INCH/HR) = 2.80 - _AVERAGED_Fm0NC EFFECTIVE STREAM AREA(ACRES) = 622.27 D� TOTAL STREAM AREA(ACRES) = 1071.43 PEAK FLOW RATE(CFS) AT CONFLUENCE 1665.12 o� FLOW PROCESS FROM NODE 27.00 TO NODE 28.00 IS CODE = 2 ______________________________ >>>�>>R ----------�� -' ============================================================================ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 2 DWELLINGS/ACRE -TC ' =_k*E(L, 3.00)/(ELEVATION ,20__--__-_.__-__----__-_-' - INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION(FEET) = 1057.50 DOWNSTREAM -- ELEVATION DIFFERENCE(FEET) = 10.50 TC(MIM.) = 0.438*[( 1000.00** 3.00)/( 10.50)]**0.20 = 17.268 ]� :z.10 RAINFALL INTENSITY A AND TIME OF C CONCENTRATION RATIO - C CONFLUENCE FORMULA U USED FOR 3 S STREAMS. . ._---___------'_- -- --__'--- m� Q Q(CFS) Tc(MIN.) F Fm(INCH/HR) A Ae(ACRES) 1 1 1665.12 1 16.79 0 0.357 6 622.27 '2--__1 4 4 18.59 0 0. 7351 3 1 1549.49 3 33.84 0 0.291 8 891.80 4 1 1459.45 3 37.15 0 0.293 8 899.59 -5 --_ 1 15,.11-_ 0 0.359 5 563 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK EFFECTIVE AREA(ACRES) = 622.27 AVERAGED Fm(INCH/HR) = 0.36 N� TOTAL AREA(ACRES) = 1071.43 **************************************************************************** r _-FLOW >>}>}CQMPUTE PIPE-FLOW TRAVEL TIME THRB SUBAREA<<<<< - ============================================================================ DEPTH OF FLOW IN 132.0 INCH PIPE IS 97.1 INCHES P% ' UPSTREAM NODE ELEVATION(FEET) = 1023.56 DOWNSTREAM NODE ELEVATION(FEET) = 1012.89 Y- ESTIMATED PIPE DIAMETER(INCH) = 132.00 NUMBER OF PIPES = 1 PIPE-FLOWKCFB�� = 1685.12 U�- ---- FLOW PROCESS FROM NODE �5 ~ 00 TO NODE 6�� IS . 00 � CODE = 2 ' ____________________________________________________________________________ - >>>>>DESIGNATE INDEPENDENT _STREAM i-FOR _{3ONF`UENCE<<<<<- ============================================================================ TOTAL NUMBER OF STREAMS = 3 - -_-_- -_- -'--'_ TIME OF CONCENTRATION(MIN.) = 17.78 RAINFALL INTENSITY(INCH/HR) = 2.80 - _AVERAGED_Fm0NC EFFECTIVE STREAM AREA(ACRES) = 622.27 D� TOTAL STREAM AREA(ACRES) = 1071.43 PEAK FLOW RATE(CFS) AT CONFLUENCE 1665.12 o� FLOW PROCESS FROM NODE 27.00 TO NODE 28.00 IS CODE = 2 ______________________________ >>>�>>R ----------�� -' ============================================================================ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 2 DWELLINGS/ACRE -TC ' =_k*E(L, 3.00)/(ELEVATION ,20__--__-_.__-__----__-_-' - INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION(FEET) = 1057.50 DOWNSTREAM -- ELEVATION DIFFERENCE(FEET) = 10.50 TC(MIM.) = 0.438*[( 1000.00** 3.00)/( 10.50)]**0.20 = 17.268 ]� :z.10 ' 8� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.850 SOIL CLASSIFICATION IS "A" RESIDENTIAL-.; 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.6790 SUBAREA -8UNOFE10ESL_=_ _18 -_-_-- -- -_- _- __------_ _ TOTAL AREA(ACRES) = 9.70 PEAK FLOW RATE(CFS) = 18.96 FLOW PROCESS FROM NODE 28-00 TO NODE 29.00 IS CODE 5 N0 - ---- - '--- >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< - >>>>>TRAVEL TIME THRU SUBABEA<<<<< ============================================================================ UPSTREAM NODE ELEVATION(FEET) = 1047.00 DOWNSTREAM NODE ELEVATION(FEET) = 1032.00 ��CHAN THRU SURAREA(FEET) 1700.00'�� CHANNEL BASE(FEET) = 0.00 ' FACTOR = 99.990 ) N� MANNING'S FACTOR = 0.830 MAXIMUM DEPTH(FEET) = 1.0() | -~ -_CHANNE _-___- �_---- FLOW VELOCITY(FEET/SEC.) = 1.51 FLOW DEPTH(FEET) = 0.35 E TRAVEL TIME(MIN ) = 18 81 TC(MIN ) = 36 08 ..-.'__ . -._...-.'' ' -_'_- .~'..-.- ' ~~..~ -FLOW , PRO --- ___________________________ ________________________________ >>>}>ADDITION OF SUBAREA T8 MAINLINE PEAK FLOW<<<<< � 0� -- -========================================================================= �-- 100 YEAR RAINFALL INTENSITY(IWCH/HOUR) 1.832 . .� SOIL CLASSIFICATION IS "A" SUBAREA AREA(ACRES) = 48.82 SUBAREA RONOFF(CFS) = 50.65 EFFECTIVE AREA(ACRES) = 58.52 - | -'- TOTAL �REA�A�BES� = 58 �� ^ 5 PEAK FLOW RA7FE(CFS) = 60.71 TC(MIN - ___- � **************************************************************************** � D� FLOW PROCESS FROM NODE 29.08 T8 NODE 65.00 IS CODE = 3 =� ____________________________________________________________________________ >>>>>COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF ============================================================================ -_-'--___-_ FLOW IN 36.0 INCH PIPE IS 26.5 INCHES PIPE-FLOW VELOCITY(FEET/BEC.) = 1{).9 UPSTREAM NODE ELEVATION(FEET) = 1020.00 DOWNSTREAM-_-_----___--___--__----- ' ''-- FLOWLENGTH(FEET) = 500.00 MANNING'S N = 0.013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE TRAVEL TIME(M%N.) = 0.76 TC(MIN.) = 36.84 **************************************************************************** FLOW PROCESS FROM NODE 29.00 TO NODE 65.00 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FL8W<<<<< ======================================================== � I - --- - ;z I / rl 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.809 SOIL CLASSIFICATION IS "A° RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.6790 '-SUBAREA L ARE�(AC��S-= E8-R ��__30"20- EFFECTIVE AREA(ACRES) = 88.22 AVERAGED Fm(INCH/HR) = 0.679 T{lTAL- AREA �/�CB�Ey ___-___----------'' - PEAK FLOW RATE(CFS) = 89.71 TC(MIN) = 36.84 **************************************************************************** >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE!\<\\ ============================================================================ TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: ----- RAINFALL INTENS%TY(INCH/HR) = 1.81 AVERAGED Fm(INCH/HR) = 0.68 -EFFECTIVE-----' TOTAL STREAM AREA(ACRES) = 88.22 PEAK FLOW RATE(CFS) AT CONFLUENCE = 89.71 ******************************************* ********************* FLOW PROCESS FROM NODE 10.00 TO NODE 11.00 IS CODE 2 ''NATURAL AVERAGE COVER TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]**0.20 INITIAL FLOW-LENGTH(FEET) � UPSTREAM ELEVATION(FEET) = 1800.00 DOWNSTREAM ELEVATION(FEET) = 1480.00 _ELEVATION_ DIFFERENCE(FEET) = TC(MIN.) = 0.706*[( 1000.00** 3.00)/( 320.00)]**0.20 = 14.053 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.225 - SOIL"B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 0.5600 SUBAREA RUNQFF(CFS) = 21.32 TOTAL AREA(ACRES) 8.89 PEAK FLOW RATE (CFS)_ 21.32 - FLOW - PROC ESS -------- 11.00 TO NODE 12.00 IS CODE = 5 ____________________________________________________________________________ ,--_ __ CO TRAPEZOIDAL-CHANNEL FLOW<<<<< ============================================================================ UPSTREAM NODE ELEVATION(FEET) = 1480.00 r - - --- '-------------------------- ---'-------��- DOWNSTREAM NODE ELEVATION(FEET) = 1140.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 CHANNEL _FACTOR 2 .000 7~ MANNING'S FACTOR = 0.020 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 21.32 VEL 59 FLOW DEPTH(FEET) U� �,��L .� ~ **************************************************************************** FLOW PROCESS FROM NODE 11.00 TO NODE 12.00 IS CODE = 8 _----_____--------------------------------_----�___--________________________ w� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ============================================================================ 100 YEAR RAINFALL INTENSIZY1INCH/ HOUR) -=_3.088 ' SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 0.5600 SUBAREAAREA (ACRESl_=_'_ IT, 78-_' SUBAREA 'R L UNOFF(CFS��_ 40.45 _ EFFECTIVE AREA(ACRES) = 26.67 AVERAGED Fm(INCH/HR) = 0.560 - TOTAL AREA(A[]RES)-'=--_-26e67,-____-________-_---__-------- -----' ---__-_' - - PEAK FLOW RATE(CFS) = 60.67 TC(MIN) = 15.11 \~� -_--FLOW ' -PROCESS _FROM 1NODE -___-12.00_ ____________________________________________________________________________ CHANNEL FLOW<<<<< >>)>>COMPUTE TRAPEZOIDAL ! - / --->> ---------- - - - =========================================================== UPSTREAM NODE ELEVATION(FEET) = 1140.00 DD�1STREAy�N{� ��>_ � __ CHANNEL LENGTH THRU SUBAREA(FEET) = 1600.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 2.000 M�NNINE�� {rZ(� ___-_-_--- pm� -- ---------'---' ` CHANNEL FLOW THRU SUBAREA(CFS) = 60.67 FLOW VELQC%TY(FEET/SEC.) = 11.04 FLOW DEPTH(FEET) = 0.50 TR�A ------------------- ************************************e*************************************** FLOW PROCESS FROM NODE 12.00 TO NODE 85.00 IS CODE = 8 _____-____________________________________________________________________-_ >}>>>ADDITIO» T8-MAINLINE PEAK - FLOW<<<<< ' 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.825 ' SOIL -CLAE;SIFICATI[)N_IS_"]}"-__'-__-_'___-__-'---_--_--'_----_ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 0.5600 SUBAREA AREA(ACRES) = 32.02 SUBAREA RUNOFF(CFS) = 65.27 EFFECTIVE AREAL(ACRES)-=_58.69___-- -_-_ - --- - AVERAGED Fm(INCH/HR) = 0.560 8� TOTAL AREA(ACRES) = 58.69 «� PEAK FLOW RATE{CFS) = .-119�63'_--___ TC(MIN) = 17.53 **************************************************************************** FLOW PROCESS FROM NODE 65.00 TO NODE 65.00 IS CODE = 1 ---------------------------- — -------------------------------------------------------- ` >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< |�� ' -'---- - ----'---- -- ---'------' - ------- - -- - ' TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: _--TIY1E 1]F__ w� RAINFALL INTENSITY(INCH/HR) = 2.82 AVERAGED Fm(INCH/HR) = 0.56 -- COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: \ - - PEAK.- - |0� EFFECTIVE STREAM AREA(ACRES) = 58.69 0.39 TOTAL STREAM AREA(ACRES) = 58.69 | Q� F FLOW CODE 3 PEAK FLOW RATE(CFS) AT CONFLUENCE = 119.63 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO U� - CONFLUENCE FORMULA USED FOR 3 STREAMS. ---- - ------- -------------'--------- - FLOW DOWNSTREAM NODE ELEVATION(FEET) = 1006.44 --------- --- ��----- - --- � m� ** PEAK RATE TABLE Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) N� 2 1864.76 17.78 0.393 723.54 3 1847.48 19.58 0.367 766.33 4- -'_1J� 5 1651.21 36.84 0.340 _--_-----'----'---'--'- 1043.38 ~~ 6 1610.09 38.17 0.340 1046.50 - -- COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: \ - - PEAK.- - --------- EFFECTIVE AREA(ACRES) = 723.54 AVERAGED Fm(INCH/HR) = 0 0.39 | Q� F FLOW CODE 3 3_ \U� � >>>>>COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA<<<<< U� - DEPTH OF FLOW IN 114.0 INCH PIPE IS 88.6 INCHES ---- - ------- DOWNSTREAM NODE ELEVATION(FEET) = 1006.44 _FL FLOW PROCESS FROM NODE 31.00 TO NODE 32.00 IS CODE = 2 ____________________________________________________________________________ >>>>>RAT METHOD _-_-___----'_ SU BAREA ANALYS DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 2 DWELLINGS/ACRE ' U� TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]**0.20 INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION(FEET) = 1049.00 U� DOWNSTREAM-ELEVAZION(EEETl_�___104D.�0____-_-.__-__ --_--- -- - ----------' w� ELEVATION DIFFERENCE(FEET) = 9.00 TC(MIN.) = 0.438*[( 1000.00** 3.00)/( 9.00)3**0.20 = 17.808 100 YEAR -BAINEALL_INIENSIZY--CIbJCH/H[IJRl_-=-'_2.Z-9B ------ -_-__- -------- --- - N� SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.6790 �UBAR�A RUNOFE(�FS> _= _ ____-___ TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.07 **************************************************************************** N� FLOW PROCESS FROM NODE 32.00 TO NODE 33.00 IS CODE = 5 _________ ___________________________________________________________________ _-____---_-_- >}}>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVEL TIME THRU SDBAREA<<<<< UPSTREAM NODE ELEVATION(FEET) = 1048.00 DOWNSTREAM NODE ELEVATION(FEET) = 1024.00 CHANNEL CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 99.990 MANNING'S FACTOR = 0.030 MAXIMUM DEPTH(FEET) = 1.00 0� CHANNEL�F�[� THR� _ �~ --_'__-_-_-_- FLOW VELOCITY(FEET/SEC.) = 1.52 FLOW DEPTH(FEET) = 0.35 TRAVEL TIME(MIN.) = 18.70 TC(MIN.) = 36.51 FLO PROCESS FROM NODE 32.00 TO NODE.. 33.00 IS CODE a 8� '-��_____ ------------------------------------------------------------------- -- `' . >>>>>ADD%T%ON OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ============================================================================ U� 100 YEAR RAINFALL IWTENS%TY(%NCH/HOMR) = 1.819 SOIL CLASSIFICATION IS '"A° RESIDENTIAL�-> 2 DWELLINGS/ACRE SUBAREA l=[SS RATE, Fm<INCH/HR>-=,-0 U� SUBAREA AREA(ACRES) = 77.32 SUBAREA RUNOFF(CFS) = 79.32 EFFECTIVE AREA(ACRES) = 87.32 AVERAGED Fm(I]NCH/HR) o.679 TOTAL AREA(ACRES) = 87.32 N� PEAK FLOW RATE(CFS) = 89.58 TC(MIN) 36.51 FLOW PROCESS FROM NODE 33.00 TO NODE 74.00 IS CODE = 3 _____________________________ >>>>>COMPUTE PIPE-FLOW TRAVEL TIME THRU SU <<___ >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ DEPTH _OF_ FLOW _IN 39.0 INCH PIPE IS 31.2 _ INCHES PIPE-FLOW VELOCITY(FEET/SEC.) = 12.6 UPSTREAM NODE ELEVATIQN(FEET),= 1012.00 U� DOWNSTREAM NODE C�____ -_ _ _'_--- --__--_-_'----'''--'- FLOW LENGTH(FEET) = 400.00 MANNING'S N = 0.013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 _pIPE7LOW(CFS) = 89.58 N� TRAVEL TIME(MIN.) = 0.53 TC(MIN.) = 37.03 **************************************************************************** FLOW PROCESS FROM NODE 74.00 TO NODE 74.00 IS CODE = 1 U� ------------------------------- --------------------------------- - -------- - N� >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ============================================================================ 0� ---------------------------------'-----------'--------- -� ----- '- ' N� TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF-CO (i]]V.)--=� U� RAINFALL INTENSITY(INCH/HR) = 1.80 AVERAGED Fm(INCH/HR) = 0.68 !�FF >_ TOTAL STREAM AREA(ACRES) = 87.32 N� PEAK FLOW RATE(CFS) AT CONFLUENCE = 89.58 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO Q� CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 1896.20� 2 1940.85 18.92 0.410 758.53 3 1947.17 19.18 0.410 768.76 4 - _'_-_1` __'--_-- _- -'-_- 5 1797.64 36.05 0.363 1118.95 6 1738.49 38.04 0.366 1130.70 --- r 8 1769.63 37.83 0.365 1125.92 PEAK FLOW RATE(CFS) = 194� 1�r Tc�MIN 179 ) = 1� . . . EFFECTIVE AREA(ACRES) = 768.76 AVERAGED Fm(INCH/HR) = 0.41 � Q **************************************************************************** FLOW PROCESS FROM NODE 41.00 TO NODE 42.00 IS CODE = 2 r ------ --------------------------------------------------------------------- >>>>>RATIONA, METHOD INITIAL ============================================================================ Q� DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 2 DWELLINGS/ACRE TC = K*[<LENGTH**--3� GE] __-_'_' INITIAL SUBAREA FLOW-LENGTH(FEET) = 850.00 UPSTREAM ELEVATION(FEET) = 1105.00 DOWNS T REAM '1E LE3/AT]I)N'(FEET _-'1/ ELEVATION DIFFERENCE(FEET) = 10.00 TC(MIN.) = 0.438*[( 850.00** 3.00)/( 10.00)]**0.20 = 15.817 YEAR FWA INFA L1 .-I �3,004- SOIL CLASSIFICATION IS "A° RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.6790 &� SUBAREA R S) = 74 T ~ ~`�~^^--~^-----------'--'-------'----'-------------- - - � - - - ' TOTAL AREA(ACRES) = 9.43 PEAK FLOW RATE(CFS) = 19.74 FLOW PROCESS FROM NODE 42.00 TO NODE 43.00 IS CODE = 6 ---- �------- _---- _---- ____----- ____ ---- __----- ____ ---- _-________________ _ N� >>>> COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<< ============================================================================ HALFSTREET FLOOD WIDTH(FEET) = 22.50 N� AVERAGE FLOW VELOCITY<FEET/SEC. > = 4.11 _ DEPTH&VELO 2.25 STREET FLOW TRAVEL TIME(MIy4. ) = 2.84 TC(MIN. ) = 18.66 SOIL CLASSIFICATION IS "A" NW RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.6790 ~~ -SUBA EA--- EFFECTIVE AREA(ACRES) = 28.21 AVERAGED Fm(INCH/HR) = 0.68 TOTAL AREA(ACRES) = 28.21 PEAK FLOW RATE(CFS) = 51.84 END -OF .' S --_-___- DEPTH(FEET) = 0.61 HALFSTREET FLOOD WIDTH(FEET) = 26.50 FLOW VELOCITY(FEET/SEC.) = 4.20 DEPTH*VELOCITY = 2.58 44.00 IS CODE 6 ----------- ' ��----------- >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<< UPSTREAM ELEVATION(FEET) =1085.00:':IDOWNSTREAM ELEVATION(FEET) 1070.00 STREET LENGTH(FEET) 1650 1 .00 CURB HEIGTH(INCHES) S. STREET HALFWIDTH(FEET) = 32.00 ============================================================================ DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 16.00 -INTERIOR OUTSIDE STREET CROSSFALL(DECIMAL) = 0.017 SPECIFIED_2___ j **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 94.57 ***STREET'-- STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW _ 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. HALFSTREET FLOOD WIDTH(FEET) = 32.00 AVERAGE FLOW VELOCITY(FEETySEC.) = 4.52 - -_PRODUCT .{}F_DEF,T}H&VELO[�I7.Y_ 3.42-_-__--_-_-_-__-_-_-_' STREET FLOW TRAVEL TIME(MIN.) = 6.08 TC(MlN.) = 24.74 _1 SOIL CLASSIFICATION IS "B° RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.5250 '' UPSTREAM ELEVATION(FEET) = 1095.00 DOWNSTREAM ELEVATION(FEET) = 1085.00 - S STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = = S. STREET HALFWIDTH(FEET) = 32.00 w� D DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 1 16.00 INTERIOR STREET CROSSFALL(DECIMAL) = 0.017 OUTSIDE- STREET --- CBOGSFALLLIECIMAL SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 0� * **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 3 36.95 STREET FLOW MODEL RESULTS: --_------ 44.00 IS CODE 6 ----------- ' ��----------- >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<< UPSTREAM ELEVATION(FEET) =1085.00:':IDOWNSTREAM ELEVATION(FEET) 1070.00 STREET LENGTH(FEET) 1650 1 .00 CURB HEIGTH(INCHES) S. STREET HALFWIDTH(FEET) = 32.00 ============================================================================ DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 16.00 -INTERIOR OUTSIDE STREET CROSSFALL(DECIMAL) = 0.017 SPECIFIED_2___ j **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 94.57 ***STREET'-- STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW _ 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. HALFSTREET FLOOD WIDTH(FEET) = 32.00 AVERAGE FLOW VELOCITY(FEETySEC.) = 4.52 - -_PRODUCT .{}F_DEF,T}H&VELO[�I7.Y_ 3.42-_-__--_-_-_-__-_-_-_' STREET FLOW TRAVEL TIME(MIN.) = 6.08 TC(MlN.) = 24.74 _1 SOIL CLASSIFICATION IS "B° RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.5250 '' ' SUBAREA AREA(ACRES) = 53.51 SUBAREA RUNOFF(CFS) = 85.34 EFFECTIVE AREA(ACRES) = 81.72 AVERAGED Fm(INCH/HR) = 0.58 TOTAL AREA(ACRES) = 81.72 PEAK FLOW RATE(CFS> = 126.42 END OF SUBAREASTREET-FLOW HYDRAULICSx____-_--_- N� DEPTH(FEET) = 0.82 HALFSTREET FLOOD WIDTH(FEET) = 32.00 FLOW VELOCITY(FEET/SEC.) = 5.12 DEPTH*VELOCITY = 4.18 LE **************************************************************************** FLOW ' PROCESS _FROM ' 1NODE __-_-44�.V{) NODE ___ jSo. {x}_IS-CO[VE __-6__'_'_--- ____________________________________________________________________________ >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION(FEET) = 1070.00 DOWNSTREAM ELEVATION(FEET) = 1057.50 STREET LENGTH(FEET) = 1300.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CRDSSFALL GRADEBREAK(FEET) = 16.00 INTER%OR_ OUTSIDE STREET CROSSFALL(DECIMAL) = 0.017 **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 156.28 ***STREET' STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. FOLLOWING STREET FLOW RESULTS ARE BASED ON _ THE ASSUMPTION -_-_' THAT NE8LIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT %S, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. F �.87 HALFSTREET FLOOD WIDTH(FEET) = 32.00 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.50 PRODUCT OF DEPTH&VELOCITY = 4.81 STREET FLOW TRAVEL TIME(MIN.) = 3.94 TC(MIN.) = 28.68 100 1 - YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.102 � �� _ � _ �� SOIL CLASSIFICATION IS "B" RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = SUBAREA AREA(ACRES) = 42.00 SUBAREA RUNOFF(CFS) = 59.61 � � � � EFFECTIVE AREA{ACRES) = 123~72 AVERAGED Fm(INCH/HR) = 0.56 TOTAL AREA(ACRES) = 123.72 PEAK FLOW RATE(CFS) = 171.70 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = 0.89 HALFSTREET FLOOD WIDTH(FEET) = 32.00 FLOW VELOCITY(FEET/SEC.) = 5.79 DEPTH*VELOCITY = 5.17 0.5250 ****************w*********************************************************** N� FLOW PROCESS FROM NODE B0�)0 TO NODE 81.00 IS C ODE � � ��'�� ___________________________________________________________________ >>>>>COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA-C'<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW _ -~ --'--'__-__'-----__-�-_'-� � ============================================================================ DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.6 INCHES U� PIPE-FLOW VELOCITY<FEET/SEC.> = 11.3 UPSTREAM NODE ELEVATION(FEET) = 1057.50 DOWNSTREAM NODE ELEVATION(FEET) = 1049.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = 0.013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE-FLOW(CFS) = 171.70 TRAVEL TIME(MIN.) = 1.99 TC(MIN.) = 30.67 FLOW PROCESS FROM NODE 81.00 TO NODE 81.00 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE lNDEPENDENT-STREAM_F[-RCONB-UENCE<<<<< ============================================================================ TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT _SIBEAML' 1'-ARE: ' TIME OF CONCENTRATION(MIN.) = 30.67 RAINFALL INTENSITY(INCH/HR) = 2.02 AVERAGEI)-Fm�Ib8�H/}��)_�__��^56_--___-_____-_-_--__ __-_----'----- ----'- EFFECTIVE STREAM AREA(ACRES) = 123.72 TOTAL STREAM AREA(ACRES) = 123.72 PEAK FLOW RATE(CFS) AT CONFLUENCE 171.70 FLOW PROCESS FROM NODE 61.00 TO NODE 62.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< _-_____-_----- - ============================================================================ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 2 DWELLINGS/ACRE TC '��K*[(L]ENG[H**-3.P /(ELEVATION E)-]**0l,20�'_--_-_-----__-_____ INITIAL SUBAREA FLOW-LENGTH(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1100.00 DOWNSTREAMELEVATION(FEET)- _- _-_---___-_-- ELEVATION DIFFERENCE(FEET) = 10.00 TC(MIN.) = 0.438*[( 900.08** 3.00)/( 10.00)3**0.20 = 16.389 --__-100 2 .94- 1 . ------------'-- ' SOIL CLASSIFICATION IS '`A" RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(%NCH/HR) = 0.6790 -- SUBAREA--------------' TOTAL AREA(ACRES) = 9.20 PEAK FLOW RATE(CFS) = 18.75 N **************************************************************************** ~~ FLOW PROCESS FROM NODE 62.00 TO NODE 63.00 IS CODE = 6 ________ -------- _____ ------- ____ ---------------- ________________________ ____ �� - � � >>>>>C8MPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<< UPSTREAM ELEVATION<FEET)-=-1090"00_ DOWMSTREAM-ELEVATION(FEET) = 1082.00 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 8. N� STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 16.00 N� INTERIOR STREET CROSSFALL(DECIMAL) = 0.017 OUTSIDE STREET _CROSSFALL. - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 T ' EL E c STREET FLOW MODEL RESULTS: STREET FLOW QEPTH(FEET)_�./}.56_ HALFSTREET FLOOD WIDTH(FEET) = 23.50 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.59 ---_- PRODU OF DEP STREET FLOW TRAVEL TIME(MIN.) = 3.25 TC(MIN.) = 19.62 , 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.640 SOIL CLASSIFICATION IS "A" RESIDENTIAL-'.* 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.6790 SUBAREA AREA(ACRES) = - 18.37 SUBAREA_RUNOFF(CFS)'= 32.42 EFFECTIVE AREA(ACRES) = 27.57 AVERAGED Fm(INCH/HR) = 0.68 TOTAL AREA(ACRES) = 27.57 PEAK FLOW RATE(CFG) = 48.66 END OF SUBAREA-STREET FLOW-HYDRAULICS:_-_'_-__-___-_'- DEPTH(FEET) = 0.61 HALFSTREET FLOOD WIDTH(FEET) = 26.50 FLOW VELOCITY(FEET/SEC.) = 3.95 DEPTH*VELOCITY = 2.43 **************************************************************************** FLOW PROCESS ____________________________________________________________________________ >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION(FEET) = 1082.00 DOWNSTREAM ELEVATION(FEET) = 1065.00 STREET LENGTH(FEET) = 1700.00 CURB HEIGTH(INCHES) = S. STREET HAL��I�I�{ ---------'------ DISTANCE FROM CROWN TO CROSSFALL GRADE8REAK(FEET) = 16.00 INTERIOR STREET -- OUTSIDE STREET CROSSFALL(DECIMAL) = 0.017 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF 2 **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 84.63 ***STREET FLOWING FULL*** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. T HE FOLLOWIN S TREET FLOW RESULTS ARE BASED ON THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. -----' --------- HALFSTREET FLOOD WIDTH(FEET) = 32.00 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.30 PRODUCT OF QEPTH&VELOCITY_=__--_3� 17-_- STREET FLOW TRAVEL TIME(MIN.) = 6.59 TC(MIN.) = 26.21 100 YEAR - RAINFALL =_INT -�-- --' SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) � SUBAREA AREA(ACRES)- =51r42-_--SU BARE A_ RUNOFF (CFSi= 71^27 EFFECTIVE AREA(ACRES) = 78.99 AVERAGED Fm(INCH/HR) = 0.68 TOTAL AREA(ACRES) = 78.99 PEAK FLOW RATE(CFS) = 109.49 END OF SUBAREA STREET FLOW ffYDRAULI{%S:_____-___'-___�'__--- --' DEPTH(FEET) = 0.78 HALFSTREET FLOOD WIDTH(FEET) = 32.00 FLOW VELOCITY(FEET/SEC.) = 4.94 DEPTH*VELOCITY = 3.83 0.6790 **************************************************************************** FLOW PROCESS FROM NODE �64.00.T�_NDD�81,00_IS-CODE = - 6 -- ____________________________________________________________________________ >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<< ~~ UPSTREAM ELEVATION(FEET) = 1065.00 DOWNSTREAM ELEVATION(FEET) = 1049.00 STREET LENGTH<FEET) = 1300.00 CURB HEIGTH(INCHES) = 8. N� STREET HALF�}I ----'-----------'---' - DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 16.00 Ej '�� --------- ---�� FLOW PROCES�FROM�NODE �64.00.T�_NDD�81,00_IS-CODE = - 6 -- ____________________________________________________________________________ >>>>>COMPUTE STREET FLOW TRAVE� TIME THRU SUBAREA<<<<< ~~ UPSTREAM ELEVATION(FEET) = 1065.00 DOWNSTREAM ELEVATION(�EET) = 1049.00 N� STREET LENGTH<FEET) = 1300.00 STREET HALF�}I CURB HEIGTH(INCHES) = 8. ----'-----------'---' - Ej '�� --------- ---�� INTERIOR STREET CROSSFALL(DECIMAL) = 0.017 -- OUTSIDE STREET CROSSFALL(DECIMAL) = 0.017 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 H11 **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 135.28 ***STREET FLOWING FULL*** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING SZRE-E3_FLOW 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_FLOWL- DEPTH HALFSTREET FLOOD WIDTH(FEET) = 32.00 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.78 PRODUCT-J]F. DEPTtt&YELO�Il�/ STREET FLOW TRAVEL TIME(MIN.) = 3.75 TC(MIN.) = 29.96 100 YEAR RAINFALL INTE�NSI]Y1INCH/HOUBL-=__2°<)4Ei-_ SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm<INCH/HR> = 0.6790 SUBAREA AREA(ACRES) _-_42.{>0 -- SUBAREA )�� EFFECTIVE AREA(ACRES) = 120.99 AVERAGED Fm(INCH/HR) = 0.68 TOTAL AREA(ACRES) = 120.99 PEAK FLOW RATE(CFS) = 149.07 END OF SUBAREA STREET _FLOW HyDRAULIC _______ _ _ DEPTH(FEET) = 0.84 HALFSTREET FLOOD WIDTH(FEET) = 32.00 FLOW VELOCITY(FEET/SEC.) = 5.75 DEPTH*VELOCITY = 4.80 **************************************************************************** FLOW PROCESS FROM NODE O_ NODE 81,00--DS [%}DE=-__1___- _ m� ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< _>>>>>AND_COMPUTE VARIOUS CONFLUENCED VALUES<<<<<__________. *� TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: ' - - 0l TIME OF CONCENTRATION(MIN. ) = 29.96 ~~ RAINFALL INTENSITY(INCH/HR) = 2.05 AVERAGED Fm<INCH/HR> =__V. __ EFFECTIVE STREAM AREA(ACRES) = 120.99 TOTAL STREAM AREA(ACRES) = 120.99 PEAK FLOW RATE(CFS) AT CONFLUENCE = 149.o7 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USEDFOR 2 STREAMS,_ _ ** PEAK FLOW RATE TABLE ** Q(CFS) Tc Fm �Ae(ACRES 1 317.62 30.67 0.619 244.71 2 320.07 29.96 0.620 241.82 ~~ - COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 320.07 Tc(MIN.) = 29.958 EFFECTIVE AREA(ACRES) =_ AVERAGE D Fm(INCH/HR) = 0.62 TOTAL AREA(ACRES) = 244.71 FLOW PROCESS FROM NODE 81.00 TO NODE 82.00 IS CODE = 3 ' N� ---------------------------------------------------------------------------- PIPE-FLOW TRAVEL TIME THRU SUBAREA-`... ........ COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)-....:... 0� =================�=�======��============�===================================== DEPTH OF FLOW IN 84.0 INCH PIPE IS 65.0 INCHES PIPE-FLOW VELOCITY(FEET/SEC.) = 10.0 UPSTREAM NODE ELEVATION(FEET) = 1049-,00 N� DOWNSTREAM NODE ELEVATION(FEET) = 1045.00 ~� FLOW LENGTH(FEET) = 1350.00 MANNING'S N = 0.013 ESTIMATED pIpE_DIAMETER(INCH)_.= 84~00 NUMBER OF PIPES = 1 �Q PIPE-FLOW(CFS) = 320.07 TRAVEL TIME(MIN.) = 2.25 TC(MIN.) = 32.20 FLOW PROCESS FROM NODE_- 82.0o TO lNODE --__1]2.00 IS CODE _=- -1 - U� >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< m� ============================================================================ TOTAL NUMBER OF STREAMS = 2 N� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: ~~ TIME OF CDNCENTRATIDN' MIN. i RAINFALL INTENSITY(INCH/HR) = 1.96 AVERAGED Fm(INCH/HR) = 0.62 N� EFFECTIVE STREAM - 241.82__-____-_ TOTAL STREAM AREA(ACRES) = 244.71 PEAK FLOW RATE(CFS) AT CONFLUENCE = 320.07 FLOW___PROCESSFROM NODE70.00 TO NODE _ 7 1. 00 1 S CODE =_ 2_--_ w� ---------------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ============================================================================ � ---------------'--' ------------------------'- -- - - ' DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL `-> 2 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]**0.20 INITIAL SUBAREA FLOW-LENGTH(FEET) = 875.00 M� UPSTREAM ELEVATION(FEET) = 1100.00 DOWNSTREAM ELEVATION(FEET) = 1089. 00 ELEVATION D I FFERENCE (FEET) - -11.00- - TC(MIN.) = 0.438*[( 875.00** 3.00)/( 11.00>]**0.20 = 15.791 N� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) 3.007 SOIL CLASSIFICATION IS "A" '-- - RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.6790 SUBAREA RUNOFF(CFS) = 20.52 TOTAL AREA(ACRES) = 9.79 PEAK FLOW RATE(CFS) = 20.52 � '� **************************************************************************** ' FLOW PROCESS FROM NODE 71.00 TO NODE 72.00 IS CODE = 6 ______-------------------- N� >>>>>COMPUTE STREET FLOWTRAVB_ TIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION(FEET) = 1089.00 DOWNSTREAM ELEVATION(FEET) = 1078.00 N� STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM _GRAC�E��AK(FEET) = 16^ 00 _---_'-- -- ~� INTERIOR STREET CROSSFALL (DEC IMAL) = 0. 017 OUTSIDE STREET CROSSFALL(DECIMAL) = 0.017 **************************************************************************** FLOW PROCESS FROM NODE 72.00 TO NODE 73.00 IS CODE = 6 N � ---------- -------- --------- ---------------------------�------- >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<< ============================================================================ �� UPSTREAM 9,{)0' ~~ STREET LENGTH(FEET) = 1800.00 CURB HEIGTH(INCHES) = 8. _ STREET HALFWIDTH(FEET) = 32.00 |�� - - ---- '------------ - /w� DISTANCE - - - FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 16.00 INTERIOR STREET CROSSFALL(DECIMAL) = 0.017 - '{DJTSIDE- T SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 NW **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 113.10 ~~ ***STREET FLOWING FULL*** STREET FLOW MODEL _-RESULTS_;__'-__' _--_----- - - ---- NOTE: STREET FLOW EXCEEDS TOP OF CURB. L THE FOLi-OWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW '-DCCURS_DUTSIDE'[�.'THE_STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLEC[ED. N� STREET FLOW DEPTH(FEET) = 0.78 �m HALF�STR]EET! FLOOD WIDTH(FEET[- -__ -- - - -- -- AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.10 N� PRODUCT OF DEPTH&VELOCITY = 3.96 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.321 SOIL CLASSI;FICATDN IS "A" RESIDENTIAL-.' 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.6790 SUBAREA AREA(ACRES) = 56.78 SUBAREA RUNOFF(CFS) = 83.93 N� EFFECTIVE AREA(ACRES = q4.q AVERAGED Fm�INCH/HR) = 0^68 - � � - TOTAL AREA(ACRES) = 94.96 PEAK FLOW RATE(CFS) = 140.36 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = 0.84 LFST EET FLOOD WIDTH(FEET) = 32.00 FLOW VELOCITY(FEET/SEC.) = 5.41 DEPTH*VELOClTY = 4.52 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 N� **TRAVEL TIME COMPUTED USING,-MEAN B-OW(CFS)-=- 46.84 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = 0.58 HALFSTREET FLOOD WIDTH<FEET)__=_ 24.50- -- -- AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.42 PRODUCT OF DEPTH&VELOCITY = 2.57 STREET FLOW-TRAVEL -TIME(MIN")-=- _ 'TClMIN,.)_=._18.43 ~~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.741 SOIL CL AS SI F ICATIO N IS £i�-_-___- -----_-----'--- _--____- RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.6790 N� SUBAREA AREA(ACRES) = 28.39 SUBAREA RUNOFF(CFS) = 52.69 EFFECTIVE G /HF)-- _--- V"�8-__ TOTAL AREA(ACRES) = 38.18 PEAK FLOW RATE(CFS) = 70.86 N� END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET)_'_�_0"6-5__HAL-ESTRE -28.50---_-''_-_- ~� FLOW VELOCITY(FEET/SEC.) = 4.99 DEPTH*VELOCITY = 3.24 **************************************************************************** FLOW PROCESS FROM NODE 72.00 TO NODE 73.00 IS CODE = 6 N � ---------- -------- --------- ---------------------------�------- >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<< ============================================================================ �� UPSTREAM 9,{)0' ~~ STREET LENGTH(FEET) = 1800.00 CURB HEIGTH(INCHES) = 8. _ STREET HALFWIDTH(FEET) = 32.00 |�� - - ---- '------------ - /w� DISTANCE - - - FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 16.00 INTERIOR STREET CROSSFALL(DECIMAL) = 0.017 - '{DJTSIDE- T SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 NW **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 113.10 ~~ ***STREET FLOWING FULL*** STREET FLOW MODEL _-RESULTS_;__'-__' _--_----- - - ---- NOTE: STREET FLOW EXCEEDS TOP OF CURB. L THE FOLi-OWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW '-DCCURS_DUTSIDE'[�.'THE_STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLEC[ED. N� STREET FLOW DEPTH(FEET) = 0.78 �m HALF�STR]EET! FLOOD WIDTH(FEET[- -__ -- - - -- -- AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.10 N� PRODUCT OF DEPTH&VELOCITY = 3.96 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.321 SOIL CLASSI;FICATDN IS "A" RESIDENTIAL-.' 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.6790 SUBAREA AREA(ACRES) = 56.78 SUBAREA RUNOFF(CFS) = 83.93 N� EFFECTIVE AREA(ACRES = q4.q AVERAGED Fm�INCH/HR) = 0^68 - � � - TOTAL AREA(ACRES) = 94.96 PEAK FLOW RATE(CFS) = 140.36 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = 0.84 LFST EET FLOOD WIDTH(FEET) = 32.00 FLOW VELOCITY(FEET/SEC.) = 5.41 DEPTH*VELOClTY = 4.52 **************************************************************************** FLOW PROCESS FROM NODE 73.00 TO NODE 82.00 IS CODE = 6 N� ---------------- -------------------- � -----'---------------------------- N� >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION(FEET)_=_1_059.0o_ DQWNSTREAM1ELEVATION(FEET) = 1045.00 N� STREET LENGTH(FEET) = 1300.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 QH DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 16.00 INTERIOR STREET CROSSFALL(DECIMAL) = 0.017 OUTSIDE STREET CROSSFALL(DECIMAL) = 0.017 ho SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 po **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 167.92 ***STREET FLOWING FULL*** �� STREET - FLOW _MODE 1RESULTS: __-_---_-____-_____-'___-____.--__---_____--_-_ - - NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION ~~ THAT -NEGLIBLE- FLOW S OUTSIDE OF THE STREET -CHANNEL._-__ THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOW DEPTH(FEET) = 0.87 L HALF AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.91 PRODUCT OF DEPTH&VELOCITY = 5.16 El STREET FLOW RAV TIM I��> = 27-98 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.134 SOIL CLASSIFICATION " All � --��-------------------'------------------------------- |m� RESIDENTIAL-> 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.6790 SUBAREA AREA(ACRES) = 42.00 SUBAREA RUNOFF(CFS) = 54.99 EFFECTIVE AREA(ACRES)_ 136.96 AVERAGED Fm(INCH/HR N@ TOTAL AREA(ACRES) = 136.96 PEAK FLOW RATE(CFS) = 179.31 m� END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = 0.89 HALFSTREET FLOOD WIDTH(FEET) = 32.00 �] - ' � �- - - FLOW VELOCITY(FEET/SEC ) = 6.04 DEPTH*VELOCITY = 5.4o **************************************************************************** FLOW PROCESS FROM NODE 82.00 TO NODE 62.00 IS CODE 1 >>>>'DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE- >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ============================================================================ TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN,) _= 27.98 RAINFALL INTENSITY(INCH/HR) = 2.13 AVERAGED Fm(INCH/HR) = 0.68 EFFECTIVE STREAM AREA(ACRES) = 13696 . TOTAL STREAM AREA(ACRES) = 136.96 PEAK FLOW RATE(CFS) AT CONFLUENCE = 179.31 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** 1 478.09 32.20 0.641 378.78 � 2 472.47 32.92 0.64O 381.67 3 493.17 27.98 0.643 347.05 - � -�� ~~ COMPUTED CONFLUENCE - ESTIMATES - ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 493.17 Tc(MlN.) = 27.979 EFFECTIVE AREA (ACRES) = 347.05 AVERAGED Fm(INCH/HR) = 0.64 TOTAL AREA(ACRES) = 381.67 NH **************************************************************************** FLOW PROCESS FROM NODE 82.00 TO NODE 83.00 IS CODE = 3 ____________________________________________________________________________ � � >>>>>COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA<<<<< N� >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ DEPTH OF FLOW IN 75.0 INCH PIPE IS 58.3 INCHES N� PIPE-FLOW VBLOCITY(FEET/SEC. ) = 19.3 UPSTREAM - '-ELE\AzTIONi<F�EET> =_1045.O{L___-__'_ DOWNSTREAM NODE ELEVATION(FEET) = 1010.00 FLOW LENGTH(FEET) = 2750.00 MANNING'S N = 0.013 ESTIMATED PIPE DIAMETER(INCH) _ 75.00 NUMBER _OF PIPES -= _1 PIPE-FLOW(CFS) = 493.17 TRAVEL TIME(MIN.) = 2.38 TC(MIN.) = 30.36 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 381.67 TC(MIN.) = 30.36 EFFECTIVE AREA(ACRES) = 347. /HR 64 - ' _-_-_-_---_ -_-_-_-__----_�� PEAK FLOW RATE(CFS) = 493.17 *** PEAK FLOW RATE TABLE *** _ Tc(MIN_) FmO�NCH/HR> Ae 1 478.09 34.59 0.641 378.78 2 472.47 35.31 0.640 381.67 � 3 _ 493.17 30,36 o.643 347.o5 ============================================================================ END OF RATIONAL METHOD ANALYSIS � � PER EXHIBIT_ _C e FOR REFERENCE 2, 2 G RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) N� Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Esoecially prepared for: HALL & FOREMAN ************************** DESCRIPTION OF STUDY ************************** N� * 0-100 * �� * * IN THE CITY OF FONTANA * * COUNTY OF SAN BERNARDINO ' FILE NAME: CYPRESS.DAT TIME/DATE OF STUDY: 15:55 8/30/1988 w� USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ============================================================================ --*TIME-OF-CONCENTRATION MODEL*-- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.001 0� SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .6000 USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.3500 **************************************************************************** FLOW PROCESS FROM NODE 1.00 TO NODE 1.00 IS CODE = 7 N� ---------------------------------------------------------------------------- - )>>>}USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<(( ============================================================================ QN USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.00 RAIN INTENSITY(INCH/HOUR) = 2.78 EFFECTIVE AREA(ACRES) = 220.00 TOTAL AREA(ACRES) = 236.00 PEAK FLOW RATE(CFS) = 500'00 N� AVERAGED LOSS RATE, Fm(IN/HR) **************************************************************************** ~~ FLOW PROCESS FROM NODE 1.00 TO NODE 25.00 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.00 N� RAINFALL INTENSITY (INCH./HOUR) = 2.78 EFFECTIVE STREAM AREA(ACRES) = 220.00 TOTAL STREAM AREA(ACRES) = 236.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 500.00 0� **************************************************************************** W� FLOW PROCESS FROM NODE 2.00 TO NODE 2.00 IS CODE = 7 ____________________________________________________________________________ >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<({<< ' w� USER-SPECIFIED VALUES ARE AS FOLLOWS: 1,1-? TOTAL AREA(ACRES) = 534.00 PEAK FLOW RATE(CFS) = 929.78 AVERAGED LOSS RATE, Fm(IN/HR) = .044 FLOW PROCESS FROM NODE 2.00 TO NODE 25.00 IS CODE = 1 ____________________________________________________________________________ >)>}>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<(< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 32.53 0N RAINFALL INTENSITY (INCH./HOUR) = 1.95 ~~ EFFECTIVE STREAM AREA(ACRES) = 416.39 TOTAL STREAM AREA(ACRES) = 534.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 929.78 FLOW PROCESS FROM NODE 51.00 TO NODE 52.00 IS CODE = 2 ____________________________________________________________________________ >>)>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<<<< � NATURAL AVERAGE COVER , TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 N� INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 2040.00 DOWNSTREAM ELEVATION = 1800.00 ELEVATION DIFFERENCE = 240.00 ' TC = .706*[( 1000.00** 3.00)/( 240.00)]** .20 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.116 SOIL CLASSIFICATION IS "B" |N� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, SUBAREA RUNOFF(CFS) = 22.98 = 14.885 Fm(INCH/HR) = .5600 E -4 TOTAL AREA(ACRES) = 9.99 PEAK FLOW RATE(CFS) = **************************************************************************** HQ FLOW PROCESS FROM NODE 52.00 TO NODE 53.00 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<(( )}>}>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 1800.00 DOWNSTREAM NODE ELEVATION = 1420.00 N� CHANNEL LENGTH THRU SUBAREA(FEET) = 900.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .020 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 22.98 N� FLOW VELOCITY(FEET/SEC) = 12.63 FLOW DEPTH(FEET) = .18 TRAVEL TIME(MIN.) = 1.19 TC(MIN.) **************************************************************************** FLOW PROCESS FROM NODE 52.00 TO NODE 53.00 IS CODE = 8 N� ---------------------------------------------------------------------------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((<<< ============================================================================ N� 100 YEAR RAINFALL INTENSITY(INCH/HOUR> = 2.976 w� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE" Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 19.85 SUBAREA RUNOFF(CFS) = 43.15 N� EFFECTIVE AREA(ACRES) = 29.84 AVERAGED Fm(INCH/HR) = '560 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: - 1986 SAN BERNARD INO - C(7: - HYDROLOGY - - -- (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # DE1711 Especially prepared for: - - - - - - -- -- -- - - - - -- - PSOMAS - - t� - ASSOC- I- A-TES- -- - ---------------------------------------------------------------------------- E _ FILE NAME - EMPIRE: DAT-- �jt?� /RE C�!"T�1� /�Y C 0 G `� TIME /DATE OF STUDY: 11:47 31- MAY -89 - - -- USER - SPEE I �IEfr HYDROLOGY AND - HYDRAULIC Mt3DE�I NP ©RMATI6 E -- *TIME -OF- CONCENTRATION MODEL*-- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 - - - -- SPECIFIED PE^"EN 1 O F- GRAD -IEM-TS-tDEC1MAL) TO USE FGR - T — ON- SLOPE 95 -- E *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* -- - - -- SLOPE- OF- INTENS IT DUR N CUR VE USER SPECIFIED 1 -HOUR INTENSITY(INCH /HOUR) = 1.3500 1 ---FLOW--PROC-E-SS-f:ROM-NODE ---- .3 E30 -IOD N D 31. is E 2 - -- ---------------------------------------------------------------------------- »>> »RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< ai=lm" SmmMiVMMO ______ �O��mi O DEVELOPMENT IS COMMERCIAL TC = K *E(LENGTH ** 3.00) /(ELEV4TION CH4NGE)]* *0.20 INITIAL -- SUBAREA- FLOW - LENGTH (FEET) - - - -- UPSTREAM ELEVATION(FEET) = 1100.00 DOWNSTREAM ELEVATION(FEET) = 1095.00 - El- _EVAT-ION-- D-IFFERENCEEFEE - � - = s 00 - -- - - -- -- - -- TC(MIN.) = 0.304 *E( 900.00 ** 3.00)/( 5.00)]* *0.20 = 13.050 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.372 - -- SOIL CLASS IFICAT -ION-- IS- "8"-- - - - - -- - - - -- - -- - - -- COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = 0.0750 SUBAREA RUNOFF(CFS) = 26.11 -- -TOTAL -AREA (ACRES } - = -- - -- 5.80----- -PEAK- FLOW - FLOW PROCESS FROM NODE 31.00 TO NODE 32.00 IS CODE = 5 ---------------------------------------------------------------------------- >> >>>>COMPUTE TRAPEZOIDAL- CHANNEL- FLOW < < <:tom:----------- - - - - -- — -- - -- - » > > > >> TRAVEL TIME THRU SUBAREA «.: < <. UPSTREAM--NODE- DOWNSTREAM NODE ELEVATION(FEET) = 1090.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 900.00 - -- CHANNEL BASE- (-FEE -; - Ow - -- "Z FAGTO 99. MANNING'S FACTOR = 0.030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 26.11 � .29 ' N� FLOW VELOCITY(FEET/SEC.) = 1.36 FLOW DEPTH(FEET) = 0.44 TRAVEL TIME(MIN.) = 11.05 TC(MIN.) = 24.11 **************************************************************************** FLOW PROCESS FROM NODE 31.00 TO NODE 32.00 IS CODE = 8 --------------------------- __ -------------------- _- ----- __-__-_______-______'_- w� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ============================================================================ 100-YEAR --- RAINFALL INTENSITY`(-INGH/H88R�-=--2�3 --------' SOIL CLASSIFICATION IS "B" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = 0.0750 '-S8BAREA AREp/fAERES�-= 8BAREA'-RUN8FFF -=---5 f��> E EFFECTIVE AREA(ACRES) = 35.80 AVERAGED Fm(INCH/HR) = 0.075 ---T8TAE-fAREA�fAGRES>'------3 ---- PEAK FLOW RATE(CFS) = 72.76 ]� ~~ TC(MIN) = 24.11 **************************************************************************** 0� >}>>>COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA<<<<< ============================================================================ DEPTH OF FLOW IN 45.0 INCH PIPE IS 32.6 INCHES UPSTREAM NODE ELEVATION(FEET) = 1086.00 DOWNSTREAM NODE ELEVATION(FEET) = 8079.00 00--F�W ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE-FLOW(CFS) = 72.76 y� --TFAVEL-T�ME4MI ----TG � FLOW PROCESS FROM NODE 32.00 TO NODE 33.00IS CODE = 8 ____________________________________________________________________________ IQN-8F-- I w� 100 YEAR RAINFALL INTENSITY(INCH/HOyR) = 2.187 SOIL- CLASS IFICATIBN-IS-'`B^^------ --------'----------------'-----'-----------� COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = 0.0750 N� SUBAREA AREA(ACRES) = 35.80 SUBAREA RUNOFF(CFS) = 68.05 -- EFFECT-I-VE-AREA-(-ACRES) ''=--71^60---- -----------------------'------ AVERAGED Fm(%NCH/HR) = 0.075 TOTAL AREA(ACRES) = 71.60 �= PEAK-- FLOW RATE(CFS) ='-136~10--------------- -'----- TC(MIN) = 26.85 **************************************************************************** FLOW PROCESS FROM NODE 33.00 TO NODE 34.00 IS CODE = 3 *� ------------- __- ------- _____________-___-_____________________________--____ >>>>>COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLQW)<<<<< I -======= DEPTH OF FLOW IN 51.0 INCH PIPE IS 36.4 INCHES PIPE-FLOW VELOCITY(FEET/SEC.) = 12.6 UPSTREAM NODE ELEVATION(FEET) = 1079.00 DOWNSTREAM NODE ELEVATION(FEET) = 1066.50 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = 0.013 N� TER (INCM> dM S-'=---t----- PIPE-FLOW(CFS) = 136.10 TRAVEL TIME(M%N.) = 1.79 TC(MIN.) = 28.64 0U -----------'----'---------�---------'-------- -------- **************************************************************************** X� OE --- FR3M E -- ___________________________________________________________-________________ >>}>}0ESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< 0� -- TOTAL - NUMBER - OF - STREAMS - = -- 2 ~� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: RAINFALL INTENSITY(INCH/HR) 2.10 AVERAGED Fm(INCH/HR) = 0.08 TOTAL STREAM AREA(ACRES) = 71.60 E PEAK FLOW RATE(CFS) AT CONFLUENCE = 136.10 --FLOW-PROCESS FROM NE) E 20.00 TO NODE 21.00 1S EeDE 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< DEVELOPMENT IS COMMERCIAL 3.00) /(ELEVATION CHANGE)]w'*0.20 ' UPSTREAM ELEVATION(FEET) = 1093.08 DOWNSTREAM ELEVATION(FEET) = 1082.60 100 YEAR RAINFALL IMTEMSITY(INCH/HOUR) = 3.610 L ----S8%L�-�|�AGE�EF`%E�T�{�N-IS-^`B�`------- ' COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = 0.0750 SUBAREA RUNOFF(CFS) = 35.00 E l ---- TOTAL EAK-FL8W-FftTEACF��-=--- --'----' � FLOW PROCESS FROM NODE 21.00 TO NODE 22.OoIS CODE = 5 ---- _------- _---- _---- ____----- ____ ---- ____----- ____ ---- __________________ IDALr-CHA --�-- >>}>>TRAVEL TIME THRU SQBAREA<<<<{ '- '- UPSTREAt4-NODE-ELEVATION(FE --'--- DOWNSTREAM NODE ELEVATION(FEET) = 1078.00 0� CHANNEL LENGTH THRU SUBAREA(FEET) = 950.00 - CHANNEL--BASE-+FEET>-=-----0�0(Y --'"Z"-FAE-TBR-=--99-.99t3------------------- - MANN%NG'S FACTOR = 0.030 MAXIMUM DEPTHWEET) = 2.80 t CHANNEL FLOW THRU SUBAREA(CFS) = 35.00 FLOW -VELOC%TYtFEET /SEC J -DEPTHfFEET>- TRAVEL TIME<MIN.> = 11.64 TC(MIN.) = 23.29 N�-- -- **************************************************************************** FLOW PROCESS FROM NODE 21.00 T0 NODE 22.00 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ============================================================================ 100 NFALL INTENSITY(-INCH/HOUR)- ----'-------------- - SOIL CLASSIFICATION IS "B° COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = 0.0750 8� S[1BAREA AREA 1#CRES)-'=---'29-.50---SUBARE#-RtINOFF<CFS-r--=-'--61.I-5-----''--------- - EFFECTIVE AREA(ACRES) = 40.50 AVERAGED Fm(INCH/HR) = 0.075 L - TOTAL - AREA (ACRE8)-=---40i.50--'---------- -- -- - ----- PEAK FLOW RATE(CFS) = 84.09 TC(M%N) = 23.29 E ____________________________________________________ }>>>>COMP0TE PIPE-FLOW TRAVEL TIME THRQ SUBAREA<<<<< - f.>�USI - NG - C(3MPLITE ED PRESSU EFLOWY- ============================================================================ L DEPTH OF FLOW IN 48.0 INCH PIPE IS 36.7 INCHES - PIPE-FL8 ETfB ---------- UPSTREAM NODE ELEVATION(FEET) = 1072.10 EA D0WNSTREAM WQDE ELEVATI8N(FEET) = 1066.50 '--FL8W-LEM(3TIf�FEET�-=--1-7-,5{-.00 ---M -------------'---'- E ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 P3PE-F�O��CFS� 84.09 --TRAVEL--��MEfMfN.) ----- ---- ' FLOW PROCESS FROM NODE 22.00 T0 NODE 34.00 IS CODE = 8 ____________________________________________________________________________ E �� ============================================================================ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.227 SOIL CX-ASSIFICAT-ION IS ''B° ' ------'- ----------- ------ --- -- --'- E COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = 0.0750 SUBAREA AREA(ACRES) = 40.60 SUBAREA RUN8FF(CFS) = 78.64 ---EFFEE�FIVE-ARE4{ACRES-)` ='---81-.40-' ------'-------' ---------------'-----'---- ' M� AVERAGED Fm(INCM/HR) = 0.075 TOTAL AREA(ACRES) = 8%.10 -PEAK FLOW- RATE (CFSl'=- '157.09- �--------------'----------��----'------' - TC(MIN) = 26.05 ****** ************************************************************ FLOW PROCESS FROM NODE 34.00 TO NODE 34.00 IS CODE = 1 -------- __________ ------------- _________ ------ __ --- __ -------- ______________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< U� )>>>>AWD COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< |� ============================================================================ TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: w� TIME OF CONCENTRATION (MIN-. )-"--26^05--- -'-------'---------- -------- ------ RAINFALL INTENSITY(INCH/HR) = 2.23 t AVERAGED Fm(Iy4CH/HR) = 0.08 --EFFEGT-IVE-ST (AERES 1-. - TOTAL STREAM AREA(ACRES) = 81.10 PEAK FLOW RATE(CFS) AT CONFLUENCE = 157.09 E -ESTIMATES-ARE-AS-F PEAK FLOW R#TE(CFS) = 288.39 Tc(MIN.) = 26.047 EFFECTIVE AREA(ACRES) = 146.21 AVERAGED Fm(INCH/HR) = 0.08 --T8TAL-AREA-tASRES)-=-' E FLOW PROCESS FROM NODE 34.00 TO NODE 35.00 IS CODE 3 }>>>>USING COMPUTER-ESTIMATED F'IPESIZE (NON-PRESSURE FLOW)<<<<< --BEPTFf-8F-FLE��-I NGFf-P%P E PIPE-FLOW VELOCITY(FEElF/SEC.) = 18.5 UPSTREAM NODE ELEVATION(FEET) = 1066.50 -B8WN&TREAM-NODE--ELEVAT'I8WFEEF -- FLOW LENGTH(FEET) = 1350.00 MANNING N = 0.013 1 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 �--P3PE-FL-OW'(CFS) --2B8 TRAVEL T%MEMDN.) = 1.22 TC(MIN.) = 27.27 FLOW PROCESS FROM NODE 35.00 TO NODE 35.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ============================================================================ E _-TOTAL- NUMBER-8F'-STREA��S-=--��-----------'------------------'---'--'----------'------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 27.27 --RA3NFALL-4 WENS�4-INCH/HRl-=-2 - AVERAGED Fm(INCH/HR) = 0.08 EFFECTIVE STREAM AREA(ACRES) = 146.21 -TOTAL-STREAM 'AREA(ACRES)-"=--152.78--------'---'-------- PEAK FLOW RATE(CFS) AT CONFLUENCE = 288.39 ~~ - � U� FLOW PROCESS FROM NODE 20.00 TO NODE 23.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< - DEVELOPMENT-I-S-CBMMER2I -----------------' --------- TC = K*[(LENGTH** 3.00MELEVATION CHANGE)]**0.20 INITIAL SUBAREA FLOW-LENGTH(FEET) = 900.00 N� UPSTREAM ELEVATI8N{FEET�--="---1893�0f� -------- DOWNSTREAM ELEVATION(FEET) = 1082.00 1 ELEVATION DIFFERENCE(FEET) = 11.00 y'-TG(M ( 11. 100 YEAR RAINFALL INTENSITY(INCH/H8UR) = 3.706 SOIL CLASSIFICATION IS "B" 8� -�------------------' RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1' --284.19 - --- 28.64 - 0 �0��-------152��'0 '-----------''----'-------- ~~ 2 288.39 26.05 0.075 146.21 E -ESTIMATES-ARE-AS-F PEAK FLOW R#TE(CFS) = 288.39 Tc(MIN.) = 26.047 EFFECTIVE AREA(ACRES) = 146.21 AVERAGED Fm(INCH/HR) = 0.08 --T8TAL-AREA-tASRES)-=-' E FLOW PROCESS FROM NODE 34.00 TO NODE 35.00 IS CODE 3 }>>>>USING COMPUTER-ESTIMATED F'IPESIZE (NON-PRESSURE FLOW)<<<<< --BEPTFf-8F-FLE��-I NGFf-P%P E PIPE-FLOW VELOCITY(FEElF/SEC.) = 18.5 UPSTREAM NODE ELEVATION(FEET) = 1066.50 -B8WN&TREAM-NODE--ELEVAT'I8WFEEF -- FLOW LENGTH(FEET) = 1350.00 MANNING N = 0.013 1 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 �--P3PE-FL-OW'(CFS) --2B8 TRAVEL T%MEMDN.) = 1.22 TC(MIN.) = 27.27 FLOW PROCESS FROM NODE 35.00 TO NODE 35.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ============================================================================ E _-TOTAL- NUMBER-8F'-STREA��S-=--��-----------'------------------'---'--'----------'------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 27.27 --RA3NFALL-4 WENS�4-INCH/HRl-=-2 - AVERAGED Fm(INCH/HR) = 0.08 EFFECTIVE STREAM AREA(ACRES) = 146.21 -TOTAL-STREAM 'AREA(ACRES)-"=--152.78--------'---'-------- PEAK FLOW RATE(CFS) AT CONFLUENCE = 288.39 ~~ - � U� FLOW PROCESS FROM NODE 20.00 TO NODE 23.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< - DEVELOPMENT-I-S-CBMMER2I -----------------' --------- TC = K*[(LENGTH** 3.00MELEVATION CHANGE)]**0.20 INITIAL SUBAREA FLOW-LENGTH(FEET) = 900.00 N� UPSTREAM ELEVATI8N{FEET�--="---1893�0f� -------- DOWNSTREAM ELEVATION(FEET) = 1082.00 1 ELEVATION DIFFERENCE(FEET) = 11.00 y'-TG(M ( 11. 100 YEAR RAINFALL INTENSITY(INCH/H8UR) = 3.706 SOIL CLASSIFICATION IS "B" 8� -�------------------' ' N� COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = 0.0750 SUBAREA RUNOFF(CFS) = 26.15 TOTAL AREA(ACRES) = 8.00 PEAK FLOW RATE(CFS) = 26.15 **************************************************************************** FLOW >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< - Rtt- UPSTREAM NODE ELEVATION(FEET) = 1082.00 @� CHANNEL LENGTH THR8 SUBAREA(FEET) = 730.00 CHANNEL BASE(FEET) = 0.00 °Z° FACTOR = 99.990 CHANNEL FLOW THRU SUBAREA(CFS) 26.15 FLOW VELOCITY(FEET/SEC.) = 1.36 FLOW DEPTH(FEET) 0.44 'u`n^m./ - 20.10 FLOW PROCESS FROM NODE 23.00 TO NODE 24.00 IS CODE = B L ----------------------------------------------------------------------- ."A leN OF SU AREA TO MAINLINE PEAK FLOW<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) 2.602 SOIL CLASSIFleATION IS "B" ============================================================================ COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = 0°0750 SUBAREA AREA(ACRES) 9.00 SUBAREA RUNOFF(CFS) 20.47 "AREA(ACRES) i7.00 AVERAGED Fm(INCH/HR) 0.075 TOTAL AREA(ACRES) = 17.00 E--P EAK-- TC(MIN) = 20^10 **************************************************************************** FLOW PROCESS FROM NODE 24.00 TO NODE 25.00 IS CODE = 6 >>>>>C8MPUTE STREET FLOW TRAVEL TIME TNRU SUBAREA<<<<< --8PSTR ()------ STREET LENGTH(FEET) = 1350.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN T8 CROSSFALL (FEET) = 18.00 U� INTERIOR STREET CROSSFALL(0ECIMAL) = 0.017 ---8UTSIDE-S-TREE-T 1 11 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 59.24 STREET FLOW MODEL RESULTS: -----STREET ------ ----------- --' HALFSTREET FLOOD WIDTH(FEET) = 29.50 AVERAGE FLOW FEET/SEC > 90 STREET FLOW TRAVEL TIME(MIN.) = 5.77 TC(MIN.) 25.87 100 YEAR RAINFALLINTENSITY(INCH/HOUR) = 2.236 SOIL CLASSIFICATION IS "B" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = 0.0750 U� ACRES) F<CFS� - � --- �{�85 -------- � ------- EFFECTIVE AREA(ACRES) = 38.00 AVERAGED Fm(INCH/HR) = 0.08 TOTAL AREA(ACRES) = 38.00 PEAK FLOW RATE(CFS) = 73.92 U� - END - OF SUBARE#-STREET-FLOW-HYDRALLI ----------------- ------ DEPTH(FEET) = 0.70 HALFSTREET FLOOD WIDTH(FEET) = 31.50 FLOW VELOCITY(FEET/SEC.) = 4.28 DEPTH*VELOCITY = 3.00 -1FLOW-pFDOC ----------- L ---------------------------------------------------------------------------- >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<< - U� UPSTREAM ELEVATION(FEET) = 1084.00 DOWNSTREAM ELEVATIOM(FEET) = 1061.00 �� ~~ STREET LENGTH(FEET) = 650.00 CURB HE%GTH(INCHES) = 8. --'ST-REE3--HALFWIIYT-+ftFEE�)--=-",*��*� ---'- DISTANCE FROM CROWN TO CROSSFALL GRAQEBREAK(FEET) = 16.00 -- 3NTERI OR STREET CROSSFALLA 0.017 go OUTSIDE STREET CROSSFALL(DECIMAL) = 0.017 **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) 73.92 **STREET FLOWING FULLN** STREET FLOW MODEL RESULTS: NOTE: STREET FK-OV0 EXCEEDS TOP OF CURB. 0�- �f� --------' �� FOLLOW! E;T� THAT WEGL%BLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT %S ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. E ST EET FL H(FEET) - 0.78 HALFSTREET FLOOD WIDTH(FEET) = 32.00 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.33 ---�--'--f»R8BUB�-8F�-IBEPTH8,\/E|-8[�IT�y-=-----��5��----- -----'-- '-------'--- - L STREET FLOW TRAVEL TIME(MIW.) = 3.25 TC(MIN.) = 29.12 '--1�0--YEAR-RAINFALL-1NTENSITY1 H8UR)-=--2-1{0�---------------------'-- '- U� CLASSIFICATION IS "B° m� COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = 0.0750 ---8UBAREA--AREA4AGRES>-= 00 --S8BAREA-R8N8F��GFS>-�---{).08 U� EFFECTIVE AREA(ACRES) = 38.00 AVERAGED Fm(INCH/HR) = 0.08 TOTAL AREA(ACRES) = 38.00 PEAK FLOW RATE(CFS) = 73.92 - -END-8F-S8BAREA-STREET FLOW-HYDRAJL-IC ------ ---'---- DEPTH(FEET) = 0.78 HALFSTREET FLOOD WIDTH(FEET) = 32.00 D� FLOW VELOCITY(FEET/SEC. ) = 3.33 DEPTH*VELOCITY = 2.59 **************************************************************************** ~ �--FL8WPRQCESS-FROM- NQDE- --26^ 0{�T8-NBBE-----2�"0{��S-G8DE-=-- - ---------------------------------------------------------------------------- >>>y>C8MPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA<<<<< N� >>}�>8SING- COMPUTER-EST IMATEB-PIPESI-ZE-(NON-PRESS8RE-FL8W><f+�f'-------- --- ============================================================================ DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.5 INCHES UPSTREAM NODE ELEVATION(FEET) = 1061.00 DOWNSTREAM NODE ELEVATION(FEET) = 1055.80 FLOW LENGTH(FEET) = 1300. MANNING' S N = 0.013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = PIPE- FLOW(CFS) = 73.92 - -- -TRAVEL TIME(-MIN-w-> _----- 2.82 -- FLOW PROCESS FROM NODE 26.00 TO NODE 27. IS CODE = 8 ---------------------------------------------------------------------------- -;> r >= iADD I - T - ION -OF --- SUBAREA T-G MAINLINE - PEAK -FtBW f. < -- 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.971 - SOIL- - CLASS IF- I- EAT-I-ON - -I -S B-" - COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = 0.0750 SUBAREA AREA(ACRES) = 37.00 SUBAREA RUNOFF(CFS) = 63.13 -- EFFEC- T3 VE -AREPc AERES ) - 75.00 AVERAGED Fm(INCH /HR) = 0.075 TOTAL AREA(ACRES) = 75.00 - PEAK- FLOW RATEECFS )-= - - 127. - 9 - 7 -- - TC(MIN) = 31.93 FLOW PROCESS FROM NODE 27.00 TO NODE 28.00 IS CODE = 3 > > >>>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA<<.!<<. > >;>>USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)<< <.•< -_ - - - -- -- a - -- - -- -- - -- - - - - -- masmas :seams - DEPTH OF FLOW IN 57.0 INCH PIPE IS 42.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.0 -- tIPS- TREAM -- NODE- EL-EVAT -ION (FEET -=-- 1 055.80 -- -- - DOWNSTREAM NODE ELEVATION(FEET) = 1050.40 FLOW LENGTH(FEET) = 1350.00 MANNIN6 N = 0.013 ESTIMATED - -P- --D I AME-TER -(4NCH) --- _7.00 N U MHER -OF- PIPES PIPE-FLOW(CFS) = 127.97 TRAVEL TIME(MIN.) = 2.51 TC(MIN.) = 34.45 - FLOW -- PROCESS-- FROM-WODE 27- X30 -T -O -- -NODE 28.00 1 EODE-m - -------------------------------------------------------------------- » » >ADD I T I ON OF SUBAREA TO MAINLINE PEAK FLOW': < < < < - mmmmmmmmmsmmmmssmosmmmmmmsmm® mmmmsmmsmsmmaommmsmssaassmaax- aessmmamaa � =m=== - - ---- 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.883 SOIL CLASSIFICATION IS "B" --- COMMERC I AL- SUBAREA-LOSS - RATE � - -Fm-( -INCH/ HR-)--- -0-w 075 SUBAREA AREA(ACRES) = 40.70 SUBAREA RUNOFF(CFS) = 66.24 EFFECTIVE AREA(ACRES) = 115.70 -AVERAGED---Fm ( INCH- /HR)- - -m - -- 0.075 - - - -- - - - - TOTAL AREA(ACRES) = 115.70 PEAK FLOW RATE(CFS) = 188.31 -TC (MIN) - m - 34:45 -- - -- - -- - - - - -- - - - -- -- -- - -- FLOW PROCESS FROM NODE 28.00 TO NODE 35.00 IS CODE = 3 ----------------------------------------------------------------------- - >£9MPU' � E PIPE -FLOW - TRAVEL -T-IM >> >>> USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) <<< << DEPTH OF FLOW IN 66.0 INCH PIPE IS 49.4 INCHES PIPE-FLOW VELOCITY(FEET/SEC.) = 9.9 UPSTREAM NODE ELEVATION(FEET) = 1050.40 �N-'DOWNS 45�0 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = 0.013 ESTIMATED PIPE DIAMETER(INCH) = 68.00 NUMBER OF PIPES = TRAVEL TIME(MIN.) = 2.28 TC(MIN.) = 36.72 - FLOW PROCESS FROM NODE 28.00 TO NODE 35.00IS CODE = 8 E - 7>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 Lt IN ENSITY(INCHtHOUR) t.012 L SOIL CLASSIFICATION IS "B" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = 0.0750 ============================================================================ A AREA(ACRES) ~ 40.70 SUBAREA nunurr`r-ro' - "".64 E EFFECTIVE AREA(ACRES) = 156.40 AVERAGED Fxm(3MCH/HR) = 0.075 --- ,OnaL AREA(ACRES) ~ 156.40 UR PEAK FLOW RATE(CFS) = 244.55 0H TC(MXN) = 36.72 ****************************************************** ************* ~~~~-~- -~~� __ >>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< [_ TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR 1NDEP NDENT STREAM 2 ARE6 TIME OF CONCENTRATION(MIN.) = 36.72 RAINFALL %NTENS%TY(INCH/HR) = 1.81 �-�VER�GE�� --- �� EFFECTIVE STREAM AREA(ACRES) = 156.40 TOTAL STREAM AREA(ACRES) = 156.40 ~~ RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO --- uONrcoEmuE ron,."Lr, "S=D ,"" 2 S."=A".'. m� ** PEAK FLOW RATE TABLE ** MI 1 507.01 27.27 0.075 262.33 U� 2 510.48 29.86 0.075 279.87 ------3'-------49 3 0`�07 U� COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: -- PEAK-FLEWfMTE-(8FS}- EFFECTIVE AREA(ACRES) = 279.87 AVERAGED Fm(%NCH/NR) = 8.08 U� TOTAL AREA(ACRES) = 309.10 FLOW FR NODE 35.00 TO N6DE 36. 00 1 ********************************************************************* E- ---- .2 .3 1 >)>}>COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA<<<<< ' U DEPTH OF FLOW IN 84.0 INCH PIPE IS 66.5 INCHES -PIPE-FLDW-VELOCITY(FEET/SEC�)='- ��15�6-------�-----UPSTREAM NODE ELEVATION(FEET) = 1045.00 DOWNSTREAM NODE ELEVATION(FEET) = 1031.00 FLOW = ---- ^?50�00 I/N8�� ESTIMATED PIPE DIAMETER(INCH) = 84.00 NUMBER OF PIPES = PIPE-FLOW(CFS) = 510.46 -- TRA\/EL -- TIME(MIW.') - = -- 2�08 -- (MIW�) �D FLOW PROCESS FROM NODE 36.00 TO NODE 36.00 IS CODE = 1 �� ____________________________________________________________________________ PR ,~..� ^~ - comr - ooco - - FOR -- zrvoErcmoEm'r -- SrnRcArr - z - ,*Rcx TIME OF COp4CEMTRATION(MIN.) = 31.94 8� RAINFALL INTENSITY(INCH/HR) = 1.97 --AVERAGED-Fafit4C-H-/H��O-�- - ��-��--��--- EFFECTIVE STREAM AREA(ACRES) = 279.87 U� TOTAL STREAM AREA(ACRES) = 309.10 -PEAK-FLOW-RA-TE(CF-S)--AT-G8NFL8E-NG 46- ---- - FLOW PROCESS FROM NODE 28.00 T0 NODE 29.00 IS CODE = 2 | . I --- M DEVELOPMENT IS COMMERCIAL E A T-38N-GHA N GE-Y-] w� INITIAL SUBAREA FLOW-LENGTH(FEET) = 950.00 UPSTREAM ELEVATION(FEET) = 1062.00 --DC>WMSTREAM- ELEVATION (FEET>-= 1056.A0- -- -�--------- -- -----'-- -- L ELEVATION DIFFERENCE(FEET) = 6.00 TC(MIN.) = 0.304*[( 950.00** 3.00)/( 6.00)]**0.20 = 12.998 E --'----------'- SOIL CLASSIFICATION IS "B° COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = 0.0750 -'SUB"4REA- RUNOFF (CFS)- - -29.74' -- ----'-- ------- ----- --' ---------- -- TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 29.74 FLOW PROCESS FROM NODE 29.00 TO NODE 30.08 IS CODE = 6 >>>>>COMPUTE STREET FLOW TRAVEL --UPSTREAM ELEVATI8N<FEET�- =1056 STREET LENGTH(FEET) = 1250.00 STREET HALFWIDTH(FEET) = 32.0O TIME THRU SUBAREA<<<<< ========================================= .00--DOWNSTREAM- B=EVATI ON (FEET)- --=-1050.00 CURB HEIGTH(INCHES) = 8. DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 16.00 NTERIOR STREET CROSSFALL(DECIMAL) = 0.017 - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ��'�� **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) STREET FLOW MODEL RESULTS: N� --- -- STREET'FL8W DEPTH(FEET> 0�60-''------'--' HALFSTREET FLOOD WIDTH(FEET) = 25.50 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.60 0W - PRODUCT OF DEPTH&VEL8CITY = ---1.55' ----��- 0� ~~ STREET FLOW TRAVEL TIME(MIN. ) = 8.02 TC(MIN. ) = = 29.74 21.01 1-00 -YEAR RA3NFALL INTENSITY(INCH/H8UR> N� SOIL CLASSIFICATION IS "B° COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = 0.0750 -S8BAREA-AREA+ACRES) = -'0i00-'--SUBAREArRUN8FF�fE�S)- --------'-- 8M EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = 0.08 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 29.74 ---END - 8F-'S8BAREA-STREET - FL8W - HYBRA8E - I GS --------- L DEPTH(FEET) = 0.60 HALFSTREET FLOOD WIDTH(FEET) = 25.50 FLOW VEL�CITY�FEET/SEC. ) = 2.6� I�EPTH*�EL8CIT� = 1.55 **************************************************************************** FLOW- -PROCESS-FROM-NODE --30-w00--TG-NODE- ____________________________________________________________________________ K'� >>>>}COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA<<<<< 16 >->f >->USfNG-'G8MPUTER-ESTIMATE[-F-I PESIZE-k NON-PR - ============================================================================ DEPTH OF F1-OW IN 33.0 INCH PIPE IS 24.4 INCHES ��---PI PE-FLOW-HELBC-IT UPSTREAM NODE ELEVATION(FEET) = 1048.40 E DOWNSTREAM NODE ELEVATION(FEET) = 1043.00 --FL8W- LENGTHIFEETf-= 1308,�00-�-MANNIp��'S'��-=-��{��'--------- ----- ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 E PIPE-FLOW(CFS) = 29.74 ---TRAVEL-'TIME-TRAVEL->-= --3i43---T-G(MIN-w}-=--27 -- ***************************** NB FLOW PROCESS FROM NODE 30.00 TO NODE 31.00 IS CODE = 8 ____________________________________________________________________________ 'X'.:>�)-ADD ITI8N-QF-S8BAREA-T8-MAINL-I-NE--PEAK--FL-8Wf - 100 YEAR RAINFALL %NTENSITY<INCH/HOUR> = 2.314 -S8IL- CLASS IFIGATI8N'IS "B" ------------------- '------------ --- ' COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = 0.0750 Q� SUBAREA AREA(ACRES) = 72.00 SUBAREA RUNOFF(CFS) = 145.09 'EFFECTIVE-AREA (ACRES) =- 82.00-'----'-'--- ---------'---�--------- ------- AVERAGED Fm(%NCH/HR) = 0.075 U� TOTAL AREA(ACRES) = 82.00 -PEAK-- FLOW- RATE<CFS> = -165i-24- ----�-------'--'------------------'----- ---- TC(MIN) = 24.44 **************************************************************************** FLOW PROCESS FROM NODE 31.00 TO NODE 32.00 IS CODE = �� N�------------------------------ -- ------ ----- ------- >>>>>COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IM 60.0 INCH PIPE IS 47.9 INCHES PIPE-FLOW VELOCITY(FEET/SEC.) = 9.8 UPSTREAM NODE ELEVATION(FEET) = 1043.00 DOWNSTREAM NODE ELEVATION(FEET) = 1037.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = 0.013 � EST I MATED PIPE NCH) t:Yt)- P PIPE-FLOW(CFS) = 165.24 TRAVEL TIME(M%N.) = 2.29 TC(MIN.) = 26.73 **************************************************************************** FLOW PROCESS 00r NODE 32.00 fSCODE E3 ______-____________________________________-_______________________________ >>>)>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ========== = 1 7 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.193 SOIL CLASSIFICATION IS "B" - COMME SUBAREA AREA(ACRES) = 82.00 SUBAREA RUNOFF(CFS) = 156.30 N� EFFECTIVE AREA(ACRES) = 164.00 -- AVERAGED - E l TOTAL AREA(ACRES) = 164.00 0 PEAK FLOW RATE(CFS) = 312.60 FLOW PROCESS FROM NODE 32.00 TO NODE 36.00 IS CODE = 3 ~^~ ... `. . _~_ ^.- '~._ ^.`... . ^. � ^`' �~.~ ~� PIPE-FLOW VELOCIT�(FEET�SEC.> = 11.6 UPSTREAM NODE ELEVATION(FEET) = 1037.00 D8WNSTREAE-LEVA 1013i.010 FLOW LENGTH(FEET) = 1350.00 MAMNING'S N = 0.013 ESTIMATED PIPE DIAMETER(INCH) = 78.00 NUMBER OF PIPES = 1 1 PIPE-FL8W(CFS}-=---'-312.-60----'--------- --------- -----' 1- TRAVEL TIME(MIN.) = 1.93 TC(MIN.) = 28.66 ---- FLOW PROCESS FROM NODE 32.00 TO NODE 36.00 IS CODE a >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100- YEAR-RAI-NF-ALL-INTENSI-TY'(-INCH/+i --' SOIL CLASSIFICATION IS "B" U� COMMERCIAL SUBAREA LOSS RATE, Fm(IMCH/HR) = 0.0750 SUBAREA-AREAfACRES) -8;I�00--'-S8BAREA-R8NBFFICFS}-=--149.67-- --- EFFECTIVE AREA(ACRES) = 246.00 Q� AVERAGED Fm(INCH/HR) = 0.075 ~� TOTAL AREA (-AGRES-Y-=--246�00-------'---------------'- --- PEAK FLOW RATE(CFS) = 449.00 TC(MIN) = 28.66 *************************************************************************** I ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR COWFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< �F TOTAL NUMBER OF STREAMS = 2 'CONFLUENCE TIME OF C8NCENTRATI8N(MIN.) = 28.66 RAINFALL INTENSITY(INCH/HR) = 2.10 AVERAGED Fm hCR/ ( S' EFFECTIVE STREAM AREA(ACRES) = 246.00 TOTAL STREAM AREA(ACRES) = 246.00 - PEAK - FLOW - R#TE 11CF8> E RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO - C8MFLUENCE - FDRMUL - Ar - ** PEAK FLOW RATE TABLE ** --- ^mCn/nn/ Ae (A�p��/ B� 1 949.46 29.35 0.075 508.33 ~~ 2 930.14 31.94 0.075 525.87 --��------- 1�1 ---------O�(Y75-------555 --------------- 4 951.51 28.66 0.075 582.21 - COMPUTED ,- C ESTIMAFEB PEAK FLOW RATE(CFS) = 951.51 Tc(M%N. ) = 28.662 N� EFFECTIVE AREA(ACRES) = 502.21 AVERAGED Fm(INCH/HR) = 0.08 --�8TA�-AREA(-ASRBS)-=^--' - ---------------'-- FLOW PROCESS FROM NODE 36.00 TO NODE 25.00 IS CODE = 3 >>{�OMPUTE�'P^ ME-T}�R8 1_----X", >>>>}US%NG COMPUTER-ESTIMATED PIPESIZE (WON-PRESSURE FLOW)<<<<< ============================================================================ ��---IE-PTFf-GF FLOW --lN--f44'-.{ -e6-.-7-MG - PIPE-FLOW VELOC%l[Y(FEET/SEC.) = 16.4 UPSTREAM NODE ELEVATION(FEET) = 1031.00 ---DOWNSTREAM- N8BE�-ELEVAT%ON(FEET)-=--'1027�0{�'------------ --'' ----- --- ---- FLOW LENGTH(FEET) = 750.00 MANNING'S N = 0.013 ESTIMATED PIPE DIAMETER(INCH) = 114.00 NUMBER OF PIPES = 1 � P3PE-FLBW-(CFE)-=----951"5�------------- ------------' '---- N0 TRAVEL TIME(MIN.) = 0.76 TC(MIN.) = 29.42 --END-8F STUDY-SUMMARY:�-------� -------------'--------- -�--------�------ N� TOTAL AREA(ACRES) = 555.10 TC(MIN.) = 29.42 EFFECTIVE AREA(ACRES) = 502.21 AVERAGED Fm(INCH/HR)= 0.08 PEAK-- FLOW- RATEfGFS>--- =----951"51- ---- ------'----'-- *** PEAK FLOW RATE TABLE *** N� [3(CFS) Tc(MIN. ) Fm(INCH/HR) Ae(ACRES) --1 ----'949.46---'----��0.11-- ------0.07�}' ------508.33-- --- - --�-'-----------'-------'-- 2 930.14 32.71 0.075 525.87 U� 3 865.89 39.60 A.075 555.10 4 ----951.��1-------�29.42'-----'-().(>7{��- ----5O2"21------�------------ - ============================================================================ END OF RATIONAL- METHOD ANALYSIEi -- ��-'---' '--------�------------------------------- - ��.'_-_--_---_--_-_--_ - nL,,j-/ n - fR PSOMAS 11A4.F STREE7' CAPACITY' /00' AIW Job No. 4AIETO 103 Sheet of ❑ Santa Monica 213/4501217 Project Name TA, - /3332 ❑_ Costa Mesa 714/751 -7373 Prepared By N' B •T Date 7.L 68 / L✓J Riverside 714/787 -8421 Reviewed By Date Cl Sacramento 916/929-7100 Revised By Date 11A4.F STREE7' CAPACITY' /00' AIW 50 /4 36' .5' 2 8� A s' lo C, 28' — — — — — -- 0,C7' � 47. 2% ( 0.67 0.56' SECT /O// /00 RIW n = 0 -0/5 72' STREE 7 D�PTf/ a? /S i2 14a - ,4 FT.) CScQ, F o, // GuTreR 1.1300 0 .083 0.2 0 S. X137 O. 319 0.25 //. 0424 0,558 0.30 20-2447 O. _ 0.35 34.651 1 0.40 35.3370 2 . D20 0.45 83.0757 758 0.,50 //8, 7C V8 3, c20 . 0.55 ICO -2303 4.0 L3 o. GO 2!7.25 CS 5'• 7Zo 0, C7 TOP OF OURS 3/0.3591 7, 0. 75 4 010/6 0.&0 5 4C.55C9 !/ I GOG 0.90 853.2436 0.�5 R/W 94l. Co44 !7. 4/8 1401587 CP98940 0 **************************************************************************** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE - (Referelce;_1g8b6' SAN -BERNARD (c) Copyright 1983-88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7y08/88 Serial # DE1711 Especially prepared for: ************************** DESCRIPTION OF STUDY ************************** TRACT NO. 13332 - OFF-SITE C.R. HY My * ULTIMATE CONDITION * [ATC!ff BMW HYP�0LOC'y * 100 - YEAR STORM * L� FILE NAME: SPPQFF.DAT ============================================================================ USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ============================================================================ --*TIME-OF-CONCENTRATION MODEL*-- 2 FLOW PROCESS FROM NODE 10.00 TO NODE 11.00 IS CODE = 2 _______ ------- ____________________________ _____________ __ ___________________ � >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ============================================================================ --'- TC = K*C(LENGTH** 3.00)/(ELEVATr[]N CHANGE)]**0.20 INITIAL SUBAREA FLOW-LENGTH(FEET) = 200.00 'UPS7[REAMEI'EVATI(]N DOWNSTREAM ELEVATION(FEET) = 1051.50 ELEVATION DIFFERENCE(FEET) = 1.40 100 YEAR RAINFALL INTENSITY(IMCH/HOUR) = 4.131 SOIL CLASSIFICATION IS ',B" RES�DENTIAL D E CL____ � SUBAREA RUNOFF(CFS) = 0.68 TOTAL AREA(ACRES) = 0.20 PEAK FLOW RATE(CFS) = 0.68 *****************************e*****************e*+p************************** 1� FLOW ` ____________________________________________________________________________ >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA <<<<< Z(6 J1 ============================================================================ N� ELEVATION(FEET) = 1051.50 DOWNSTREAM ELEVATION(FEET) —1049.40 STREET LENGTH(FEET) = 300.00 CURB HEIGTH(INCHES) = S. DISTANCE FROM CROWN TO OROSSFALL GRADEBREAK(FEET) = 34.50 0� INTERIOR STREET -[ROSE��ALL.(DEC%-MkAL)_'=�--0��2Z--___-� m� OUTSIDE-STREET [RU]SSFALL(DECIMAL) = A.087 SPECIFIED-NUMBER **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 1.38 0� STREET FLOW DEPTH(FEET) = 0.2? .�� HALFSTREET FLOOD WIDTH(FEET) = 6.62 -_--_ PRODUCT OF DEPTH&VEL0CITY = 0.57 iE STREET FLOW TRAVEL TIME(MIN.) = 2.58 TC(MIN.) = 11.32 100 YEAR RAINFALL INTENS%TY(INCHMQUR) = 3.536 El SOIL CLASSIF%CATIOM IS "B° 50 �____-_' ---RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) SUBAREA AREA(ACRES) = 0.50 SUBAREA RUNOFF(CFS) = 1.42 EFFECTIVE AREMACRES) = 0.70 AVERAGED Fm(INCH/HR) = 0.38 TOTAL ARE END OF SUBAREA STREET FLOW HYDRAULICS: I E DEPTH(FEET) = 0.34 HALFSTREET FLOOD WIDTH(FEET) = 8.24 FLOW V OC FLOW PROCESS FROM NODE 55.00 TO NODE 56.00 IS CODE = 6 _ ___________________________________________________________________________ --_'_--_-_ _ ----_'_ _ __--- >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU GUBAREA<<<<< "J�7 ============================================================================ UPSTREAM_ELEVATION(FEET) = 1052.00 DOWNSTREAM_ELEVATION(FEET) _= 1048,40 _ STREET LENGTH(FEET) = 620.00 CURB HEIGTH(INCHES) = S. - '- DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 34.50 INTERIOR STREET CROSSFALL(DECIMAL) = 0.027 OUTSIDE STREET CROSSFALL(DECIMAL) = 0.087 A SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 JOW FROM NODE 54. 00 TO NODE 55. 00 1 S CODE 2 - ============================================================================ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TO _ INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION(FEET) = 1055.00 DOWNSTREAM_ELEVATION(FEET) _ 1052*00_ ELEVATION DIFFERENCE(FEET) = 3.00 TC(MIN.) = 0.389*[( 500.00** 3.00)/( 3.00)3**0.20 = 12.999 100 YEAR RAINFALL INTENSITY(I]VCH/HOUR) = 3.255 � SOIL '� ION I . RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.3750 ^ SUBAREA RUNOFF(CFS) 1 . 81 ______________________ _ FLOW PROCESS FROM NODE 55.00 TO NODE 56.00 IS CODE = 6 _ ___________________________________________________________________________ --_'_--_-_ _ ----_'_ _ __--- >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU GUBAREA<<<<< "J�7 ============================================================================ UPSTREAM_ELEVATION(FEET) = 1052.00 DOWNSTREAM_ELEVATION(FEET) _= 1048,40 _ STREET LENGTH(FEET) = 620.00 CURB HEIGTH(INCHES) = S. - '- DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 34.50 INTERIOR STREET CROSSFALL(DECIMAL) = 0.027 OUTSIDE STREET CROSSFALL(DECIMAL) = 0.087 A SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 DEPTH(FEET) = 0.38 HALFSTREET FLOOD WIDTH(FEET) = 9.86 U� FLOW VELOCITY(FEET/SEC. ) = 2.16 0EPl[H*VELQC%TY = 0.82 FLOW PROCESS FROM NODE 13.00 TO NODE 14.00 IS CODE 2 2 >}>>>RAT%ONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< w-r ============================================================================ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -} 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CRANGE)]**0.20 -_-_--- INIT IAL _ . UPSTREAM ELEVATION(FEET) = 8055"0�� DOWNSTREAM ELEVATION(��EETY!' " ELEVATION DIFFERENCE(FEET) 100 YEAR RAINFALL INTENSITY(INCH/HOUR)'= 4.485 SOIL CLASSIFICATION IS "B"^ - FG RATE, Fm(INCH/HR) = 0.3750 SUBAREA RUNOFF(CFS) = 1.11 TQTALAREA(ACRES) = 0.30 PEAK FLOW RATE (CFS) = **************************************************************************** FLOW PROCESS FROM NODE 15.00 TO NODE 16.00 IS CODE = 2 ------------------------------------------------------------- - >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYS%S<<<<{ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = --K -'-= �=== '' ' ~~`-------------��1�� -- INITIAL SUBAREA FLOW-LENGTH(FEET) = 274.00 UPSTREAM ELEVATION(FEET) = 1055.00 DOWNSTREAM ELEVAT%OM(FEET ) = 1053.70 ELEVATION DIFFERENCE(FEET) = 1.30 TC(MIN.) = 0.389*[( 274.00** 3.00)/( 1.30)3**0.20 = 10.710 100 YEA RRAINFALL INTENSITY(INCH/HOUR) = 3.656 SOIL CLASSIFICATION IS "B° RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.3750 SUBAREA_R (CFS_ 1 .48 -____-_' ----------- TOTAL AREA(ACRES) = 0.50 PEAK FLOW RATE(CFS) = 1.48 **************************************************************************** FLOW PROCESS FROM NODE 18.00 TO NODE 19.00 IS CODE 2 - ---- ' - * **TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 2 2.64 STREET FLOW MODEL RESULTS: REEI ---__ ' '---�------------' - -- HALFSTREET FLOOD WIDTH(FEET) = 9.32 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.04 _-Pf{ODUCT�-OF_I>EPI U� S STREET FLOW TRAVEL TIME(MIN.) = 5.07 TC(MIN.) = 1 18.07 N� S 100 YEAR RAINFALL -IN[[ENHS 1�___-_-'__--_--_-_____--_--__-__ ' '- -_- RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, F Fm(INCH/HR) = 0.3750 GUBAREA\ )-_ 1 1.65-________-____--' - rR E EFFECTIVE AREA(ACRES) = 1.50 AVERAGED Fm(INCH/HR) = 0.38 ,61 T TOTAL AREA(ACRES) = 1.50 PEAK FLOW RATE(CFS) = 3 3.10 END- 2 >}>>>RAT%ONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< w-r ============================================================================ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -} 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CRANGE)]**0.20 -_-_--- INIT IAL _ . UPSTREAM ELEVATION(FEET) = 8055"0�� DOWNSTREAM ELEVATION(��EETY!' " ELEVATION DIFFERENCE(FEET) 100 YEAR RAINFALL INTENSITY(INCH/HOUR)'= 4.485 SOIL CLASSIFICATION IS "B"^ - FG RATE, Fm(INCH/HR) = 0.3750 SUBAREA RUNOFF(CFS) = 1.11 TQTALAREA(ACRES) = 0.30 PEAK FLOW RATE (CFS) = **************************************************************************** FLOW PROCESS FROM NODE 15.00 TO NODE 16.00 IS CODE = 2 ------------------------------------------------------------- - >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYS%S<<<<{ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = --K -'-= �=== '' ' ~~`-------------��1�� -- INITIAL SUBAREA FLOW-LENGTH(FEET) = 274.00 UPSTREAM ELEVATION(FEET) = 1055.00 DOWNSTREAM ELEVAT%OM(FEET ) = 1053.70 ELEVATION DIFFERENCE(FEET) = 1.30 TC(MIN.) = 0.389*[( 274.00** 3.00)/( 1.30)3**0.20 = 10.710 100 YEA RRAINFALL INTENSITY(INCH/HOUR) = 3.656 SOIL CLASSIFICATION IS "B° RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 0.3750 SUBAREA_R (CFS_ 1 .48 -____-_' ----------- TOTAL AREA(ACRES) = 0.50 PEAK FLOW RATE(CFS) = 1.48 **************************************************************************** FLOW PROCESS FROM NODE 18.00 TO NODE 19.00 IS CODE 2 - ---- ____________________________________________________________________________ - >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ^TG ============================================================================ DEVELOPMENT _IS SINGLE -FAMILY .RESID TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]**0.20 INITIAL SUBAREA FLOW-LENGTH(FEET) = 170.00 UPSTREAM ELEVA TIO�1��E -_-_-------_'____-__ DOWNSTREAM ELEVATION(FEET) = 1054.00 ELEVATION DIFFERENCE(FEET) = i.00 TC-(1JN^')- U� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.208 SOIL CLASSIFICATION IS "B" 'REG SUBAREA RUNOFF(CFS) = 0.69 N� TOTAL AREA(ACRES) = 0.20 PEAK FLOW RATE(CFS) = 0.69 ============================================================================ END OF STUDY SUMMARY: U� TOTAL AREA(ACRES) = 0.20 TC(MIN. ) = 8.48 ) PEAK FLOW RATE(CFS) = 0.69 U0 ============================================================================ --_ -__- - END OF RATIONAL METHOD ANALYSIS _ _ _ -------' ______ -- FLOW - PROCESS FROM NODE :::4.00 TO NODE 35.00 IS CODE = 2 -------------------------------------------------- - - - - -- >> >>> RATIONAL METHOD INITIAL SUBAREA ANALYSIS << _______________ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE TC_ - =_K *E (LENGTH * * -- •1.00) / (ELEVAT- ION, .CHANGE) 3* *0. 20 INITIAL SUBAREA FLOW- LENGTH = 650.00 UPSTREAM ELEVATION = 117.3.50 E DOWNSTREAM_ELEVATION 1135.00__ - ELEVATION DIFFERENCE = 38.50 TC = 0.389 *1( 650.00 ** 1.00)/( 38.50)]* *0.20 = 9.133 100 YEAR RAINFALL•INTENSITY(INCH /HOUR) = 4.022 SOIL CLASSIFICATION IS "B" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = 0.3750 SUBAREA- RUNOFF (CF S ) -- = - - - -- x -- - - - -- - - - - -- - - -- - - - - TOTAL AREA(ACRES) = 0.70 PEAK FLOW RATE(CFS) = 2.30 FLOW PROCESS FROM NODE 35.00 TO NODE 36.00 IS CODE = 6 _----------_- _- --- - ---------- - -- -- __- - - - - -- ___ ------------------------ >> >>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<< <<< ----------------------------------------------------------------------- ----- - - - - - - - -- -- ------------------ - - -- ---- - - - - -- - - -- - - - - - -- - -- - -- -- --- - - - - -- - _ _UPSTREAM - ELEVATION__ _1 DOWNSTREAM ELEVATION _ 1081.80 STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) = 8. RTREET HALFWIDTH(FEET) = 42.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK _ INTERIOR STREET CROSSFALL(DECIMAL) = 0.025 OUTSIDE STREET CROSSFALL(DECIMAL) .. ........ .... ...._. .. _.. .... . 40.50 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = -- * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -- STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = 0.30 HALFSTREET FLOODWIDTH(FEET) = 7.51 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.88 PRODUCT__ OF ___ DEPT H&VELOC I TY = 1.49 STREETFLOW TRAVELTIME(MIN) = 3.42 TC(MIN) _ 1 = 4.05 12.55 100 YEAR RAINFALL INTENSITY ( INCH /HOUR) - _ = - _ _3.32 SOIL CLASSIFICATION IS "B" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = 0.3750 SUBAREA AREA(ACRES) = 1.30 SUBAREA RUNOFF(CFS) _ :x.45 EFFECTIVE AREA(ACRES) = 2.00 AVERAGED Fm(INCH /HR) = 0.375 TOTAL_ AREA(ACRES) _ 2.00 PEAK FLOW RATE (CFS ) _ - __. - 5.31 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.32 HALFSTREET FLOODWIDTH(FEET) = 8.14 FLOW VELOCITY(FEET /SEC.) _ 5.56 DEPTH *VELOCITY = 1.79 FLOW PROCESS FROM NODE 36.00 TO NODE 57.00 IS CODE = 6 ---------------------------------------------------------------------------- >'>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA <: «< - UPSTREAM ELEVATION = 1081.80 DOWNSTREAM ELEVATION = 1056.20 STREET LENGTH(FEET) = 850.00 CURB HEIGTH(INCHES) = 8. N� STREET HALFWIDTH(FEET) = 42.00 I STANCE _FM� ROCROW��_TO_ _GRADEBREAK=- 40.50 �� U� INTERIOR STREET �DECIM��> = 0.025 OUTS% ('DECIMAL) = C'"OB7 U� SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 '__'___**TRAVELTIME_COMpUTED_USING MEAN FLOW(CFS) =_ _6.46 _ STREETFL[>W MODEL RESULTS: f STREET FLOWDEPTH(FEET) = 0.37 -__'--._-__-'_HAL-ESTREEI_FLOODVOIDTH(FEE7�]L_��'__- _ AVERAGE FLOW VEL8CITf(FEET/SEC.) = 4.66 �UM PRODUCT OF DEPTH&VELOCITY = 1.72 �� -___-STREETFLQW-TRAVB_TIM .�4 100 YEAR RAINFALL INTENSITY(%NCH/HOUR) = 2.918 {��__SOIL-_CLASS.IFICAT�Ohy_IS " RESIDENTIAL-} 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, SUBAREA AREA(ACRES) = 1.00 SUBAREA RUNOFF(CFS) EFFECTIVE A�E��ES�_�3. - ~�' ------ AVERAGED Fm(INCH/HR) = 0.375 TOTAL AREA(ACRES) = 3.00 PEAK FLOW RATE(CFS) = - END OF S��E�� ST�EET�� RA��-I�S: / ��--- '-- - - - -''-'�'~- ' ---- ` DEPTH(FEET) = 0.38 HAi-FSTREET FL00%}WIDTH(FEET) = FLOW VELOCITY(FEET/SEC.) = 4.43 DEPTH*VELOC%TY = |�----------------- ----- --- Fm(INCH/HR) = ().3750 = 2.29 '-- ---' - - -- --'--- '- 10.68 ` 1.70 FLOW _PROCESS _FROM NODE 37. 00 TO NODE� 27, 00_IS_ CODE =_-�4_____-____--__ ------------ --------------------------------------------------------------- >>>>>COMPUTE PIPEFL8W TRAVELTIME THRU SUBAREA<<<<< � .PES%_Z]�<<,<,<.</�EPTH OF F.�� I� ��.0 %N�H PIPE I� 4.5 INCHES - ^- /Ka J' _PIPE LOC%TY (FEET/SEC.) 9 ,7_____ / UPSTREAM NODE ELEVATION = 1052.94 !&� DOWNSTREAM NODE ELEVATION = 1033.23 _ _FLOWLENGTH(FEET ) 8{}.00MANNINGS_N_ 0. GIVEN PIPE OIAMG7ER(INCH) = 18.00 NUMBER OF PIPES = 1 P%PEFLOW THRU SUBAREA(CFS) = 6.137 FLOW PROCESS FROM NODE 27.00'TO NODE 27.00 IS CODE = 1 -------------- _----------- _------ _--- _--------------- _____________________ _.}>}}>DESIGNATE_ImQEPENDENT STREAM FORCONFLUENCE<<<<< `- >>>}>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES{<{<{ |U� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: 1��--- - -- -- '- INDEPENDENT - ' TIME OF �ONC�NTRATION(MI- NOTES) = 15.66 RAINFALL INTENSITY (INCH./HOUR) = 2.91 / __EFFECT I- ESTREAM_AREA(ACRES)_=__ 3. _ TOTAL STREAM AREA(ACRES) = 3.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 6.87 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE L L t IE IL I� '6 E 1 7 '1 1 1 1 Curb opening : INTERCEPTION Discharge : Q :." . _ . . 0 0 . .. CFS Curb type : ... B ..... a r0 O Street slope s ......... Half street width s .. 4z .. ft J7 4- JD 01 too Catch basin Ho. 1 .0. ( :;I , = T -I` = 0 r33' Depth of rater s y = . ?A g. ft From chart : Q / L = .d L = �:�� z .. ft (for TOTAL interception) Lp ... ft , Lp / L = .'.Z... , a / y = 0 '8 7 .. 0 , Op / O ........ Qp = 0 6C x CFS = .. S ... CFS (INTERCEPTED) Qcc = ..� �... - • ;�: • • . _ • • : ¢• • • CFS (CARRYOVER) Use : L = .. / 0.... ft- 4,-7 PSOMIAS Job No. 41yc7-0104- Sheet of ❑ Santa Monica 213/4501217 Project Name 7' • 13 3,3 2 Off- S /TE eS• D. ❑ Costa Mesa 714/751-7373 Prepared By Date 3 Riverside 714/787 -8421 Reviewed By Date ❑ Sacramento 916/929 -7100 Revised By Date L L t IE IL I� '6 E 1 7 '1 1 1 1 Curb opening : INTERCEPTION Discharge : Q :." . _ . . 0 0 . .. CFS Curb type : ... B ..... a r0 O Street slope s ......... Half street width s .. 4z .. ft J7 4- JD 01 too Catch basin Ho. 1 .0. ( :;I , = T -I` = 0 r33' Depth of rater s y = . ?A g. ft From chart : Q / L = .d L = �:�� z .. ft (for TOTAL interception) Lp ... ft , Lp / L = .'.Z... , a / y = 0 '8 7 .. 0 , Op / O ........ Qp = 0 6C x CFS = .. S ... CFS (INTERCEPTED) Qcc = ..� �... - • ;�: • • . _ • • : ¢• • • CFS (CARRYOVER) Use : L = .. / 0.... ft- 4,-7 e E c E , e !E L 1 1 ,1 1 1 1 P SOMAS job No. Sheet of Cl Santa Monica 213/450 -1217 Project Name NR Costa Mesa 714/751 -7373 Prepared By Date —❑ L2" Riverside 714/787 -8421 Reviewed By Date ❑ Sacramento 916/929-7100 Revised By Date e E c E , e !E L 1 1 ,1 1 1 1 C PSOMAS C ,,8, 14T 14VEMIE T,e/BuT - r SR S : 5 S74. .23.73 �$f JS = l,2fo,7= l� 9 c•f�S. Ll 1 1 0 J� 3 Curb opening s SUMP Catch basin No.: ..... Discharge t O ! °. °. _ .. .... CFS Curb type t ...8..... H (depth Q opening) _ . . as . inches h (height Q opening) _ inches i H/ h .. ... From chart t O L - as. . . ... Lreq = ........ ft Use : L .. ¢ .... ft. Hm Job No. f ME T O /O Sheet of ❑ Santa Monica 213/450 -1217 Project Name 0 Costa Mesa 714/751 -7373 Prepared By Date L`s Riverside 714/787 -8421 Reviewed By Date ❑ Sacramento 9161929 -7100 Revised By Date C ,,8, 14T 14VEMIE T,e/BuT - r SR S : 5 S74. .23.73 �$f JS = l,2fo,7= l� 9 c•f�S. Ll 1 1 0 J� 3 Curb opening s SUMP Catch basin No.: ..... Discharge t O ! °. °. _ .. .... CFS Curb type t ...8..... H (depth Q opening) _ . . as . inches h (height Q opening) _ inches i H/ h .. ... From chart t O L - as. . . ... Lreq = ........ ft Use : L .. ¢ .... ft. Hm I PSOMAS n job No. 4A 457-0 /c f - Sheet Project Name Prepared By Date Reviewed By Date Revised By Date ❑ Santa Monica 213/450 -1217 ❑1 Costa Mesa 714/751 -7373 V Riverside 714/787 -8421 ❑ Sacramento 916/929 -7100 C-6. AT 7iVAUP19 fl VENUE' ST. STA. /Ct�5 Curb opening : INTERCEPTION Discharge : 0 BOO. _ .. �: ... CFS N Curb type : .......... Street slope t .. Half street width : ft Catch basin No.: q ) - Depth of rater : y = . 03 ft From chart : 0 / L = 2 -- 7. L 3... ft (for TOTAL interception) Lp = .. 4 ft , Lp / L = ........ , a / y = . � OG .. 1 1 1 1 Op / 0 = .......0 Op= ........ x ........ CFS = ........ CFS (INTERCEPTED) Oco = ........ . ........ = CFS (CARRYOVER) Use : L ...4:... ft. TorAL 1NT� 1 F LOW 01AG&4M JURUP.4 AVE. 4 �iro= 4. /^ of C G C Curb opening s SUMP Catch basin No.: ..... Discharge i O l a:. �'.7... CFS Curb type t ...g..... H (depth Q opening) _ inches h (height Q opening) _ . ... inches From chart s Use s L = ... ft. L req = ... .. ft 4,/f PSOMAS Job No. 4ME TO O 4- Sheet of ❑ Santa Monica 213/4504217 Project Name El Costa Mesa 714/751 -7373 Prepared By Date Lid Riverside 714/787 -8421 Reviewed By Date ❑ Sacramento 916/929 -7100 Revised By Date C G C Curb opening s SUMP Catch basin No.: ..... Discharge i O l a:. �'.7... CFS Curb type t ...g..... H (depth Q opening) _ inches h (height Q opening) _ . ... inches From chart s Use s L = ... ft. L req = ... .. ft 4,/f � PSOMAS G C C C ILI -0 G 1 A A 1 1 E 4 /2 Job No. 4 MST o l O 4L Sheet of Cl Santa Monica 213/450 -1217 Project Name 0 Cg Costa Mesa 714/751 -7373 Riverside 714/787 -8421 Prepared By Reviewed By Date Date ❑ Sacramento 9161929 -7100 Revised By Date G C C C ILI -0 G 1 A A 1 1 E 4 /2 • , , • .. Z • DEPTH OF FLOW-y • FEET • • • • .. ,0t • • .CL .03 ..04 .03 .0 .08 .10 .2 , .3 4 .51 .G '4 tO • •• • ' •• • '(Q) DISCHARGE •PER .FOOT CF 1 1, i�i ' / /� , 6 • i • • __-_ .- LENGTH OF CURB OPENING - t-1 + 'ji1 % j ' s • • • I INLETS WHEN INTERCEPTING _ " i �� ' //' ' • 100 % OF GUTTER FLOW --F -- � - • 1 �� r' ... . - • • —.1 — 7.,, . ,'• . t i 411 111 • • - s• .' • • • I 1 1 I j 1 1 & ei" ' I ' - • 11111111111111, . �ME�� u ti �� ° Ma n �i/ . 06 • .1= -- I WAS-rwir . . . -- � 7 , i 4164 NM N . 03 . • • r . • 1 i ll .02 •". ; : • pr, � ►'VIII - _1 L .•: /: / /; ' i l• —r- I n ••• • i • I • • - : ... i , l• . I Hit .., .01,• ..4 : • ••" • • • • •i t • •: • • . M1 � , , ice � 1 • • •'... • a /.Y A J i .6 � ,. • (b} .• • • 211= __.0 : Ly, , ` 1 , i . • PARTIA•L INTER : 1 11 i . 1 1 - � 4 • • • • • CEPTION RATIO. • FOR INLETS OF I 4 ° .a Q• •; LENGTH LESS ; ; .o " /e � ; I 1 j � • . • • THAN L • (' • /� / • I I ' ;I t: 1----. - • • , t i — ( 4 , _ • /' i • I ( , I , IL L ■ • .05 .06 .00 . 10 .2 I .J ' 4 I .5 .6 .8 1.0 • • • • T _.. __„____ . - -4..I. - .. : c%. APAr.ITY nr CURB OPENING INLETS. • e c ,c i� is i6 e c i �_ ___ - �.i¢ ■■ on ■. t■ ttt�.....■. t.■ t..■■■ I�% II/ ��; %� ■ ■ ■ ■ / ■ ■ ■ / ■rISOMEONE MEN ■ ■ / ■ / ■ ■ ■ /e ■ ■ ■ ■ / / / / ■ / ■ ■ ■ ■ ■. 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P■■e■■■/ ul 1■■ mum ■■.■ 1.■.a I ■■ t.. ■ ■t■I■ll ■i ■. ■... ■ ■�......... ■.■■ ■ tt■ I/%/ lt■ I■■■■ t■■■ ,t ■.■ll■■■■t■■:TT71i7ccilr'riG7 a1��1��rA'A..■■■ ■.■ ■■■■■ e■■■I I/ 1■ 11■ �L■■ eif■. 1■■.■ ll ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■H■ ■ ■ /.. ■ ■ ■ ■' III ■Il ■il ■ ■t /' ■ ■ ■I ■ ■.. 111.... ■. ■. ■. ■e ■ ■..lIY ■ ■ ■�. ■ ■�n..e■ ■■. ■ ■ ■.�� /.1■ ■L.11. ■. /' ■..1.■ l. ll ■ ■... ■►�E3Mf: ■.: ■I'J�9 ■. :■.0 a�1N7 ■. ■■ ■. ■. ■ ■■ .11 ■ ■ ■■ ■Ill ■t ■. ■l ■ t.■■ 11■ ... ■ ■ ■ ■. ■ ■. ■ ■ ■tU�l ■ ■ / ■. ■. ■ ■ ■ ■ ■■ I PSOMAS A 11 a N u II f�YOXV1. /C G "a L /N� Cif / C4 ?" -ION fOR Off-3 /1 *HMAM BRA /N 79.4cr Ao. /3332 job No. 41YE T d 107 Sheet 1 of ❑ Santa Monica 213/450 -1217 Project Name Q�F" 5 /72f S, U, 7R . l,3 33 Z ❑ Costa Mesa 714/751 -7373 Prepared By N „ 8 . T Date 4 -2 1 -45 - 0) Riverside 714/787 -8421 Reviewed By `J T 0 . Date ❑ Sacramento 916/929 -7100 Revised By Date A 11 a N u II f�YOXV1. /C G "a L /N� Cif / C4 ?" -ION fOR Off-3 /1 *HMAM BRA /N 79.4cr Ao. /3332 n M i M Sf- O �o Nd- 0 v r k t o o 0 Z Q 2 U N `O Z F- W V U S OCO O Q Q O A4 o7---J irr hr 7 .-/ 3'rnss��d ✓ �� - c UT 7 CO CD = 5w LL N _. I N � "tom oo 0 rl cn 00 I m C C .0 Z _ U Q u p `� n m ri1 d t, 4 i CD 1 tD 4 r� = N t O I� E J J J .� �l .( .1 J J J �► t'_ v o U a m `4 . } o 4 o o Q o y, o o y o o E t Z .-- I p r Q L , r m o r• � V 6�1 ' r- Its L4 1 Q . _ T T FF:l n M i M Sf- O �o Nd- 0 v r k t o o 0 Z Q 2 U N `O Z F- W V U S OCO O Q Q O A4 o7---J irr hr 7 .-/ 3'rnss��d ✓ �� - c UT 7 CO I N � "tom oo 0 rl cn I m n M i M Sf- O �o Nd- 0 v r k t o o 0 Z Q 2 U N `O Z F- W V U S OCO O Q Q O A4 o7---J irr hr 7 .-/ 3'rnss��d ✓ �� - c UT 7 7 t9 � "tom nh n M i M Sf- O �o Nd- 0 v r k t o o 0 Z Q 2 U N `O Z F- W V U S OCO O Q Q O A4 o7---J irr hr 7 .-/ 3'rnss��d ✓ �� - c UT 7 c . I I Mo-?=i '1r --�- -- 7 - 7na - A -7J--Y-41d 13tfT 3 U :r.2 W u v .►_ (� LL M C C �a� p .00 c ZV U J = ai Q C 1 6 ; c N 'g ° c u m � v u U o J L Z O L Q L a .c U u: tr w _ O �` o *Zr " } c n I ' I L9 C9 k l) I I oo r4 I _ v 63 cy C m (D U J p U QG c . I I Mo-?=i '1r --�- -- 7 - 7na - A -7J--Y-41d 13tfT 3 ,D,��ULIC Cr4LcULfFT /O/�(S NY IoM 57A 70 too, o5 7 8/ 7 a• C, " � �r Q = l /g `X �•C �C) f�= /2G �T. 2 �J= 0,0 /3 S = J = 0 = 28 /97 _ ( G :-'/,< Z /9(72 Z - ) _ ( � 8 /97J - o. 0 0477 0. - � _ Q1,4 _ 472//26 = /5.5 - pPS•- - yv - O ) - - = 0 20(3.73) = c3 P-o �Tf4 . 81 43.7 To 8� f3 0, 0 8 D IE Q - - 1 5117. 2 C.f (¢ Y o , C8 L= 18G • 3 4t ' =-c h - 28(; • 3q- Co. oo47 = A37 ' ,�/ZOht 29 • 4. 3 • 06 (n 85 f 37, Z4 4Lf _ /8C¢ 8 crs 14'x9' R ,.C,e. 2 L= Io7. �� ' = c) 0050 = �o sic ir 2 2- / '72) h� = C� CO ¢37 CI D7. lC) = o. ¢7 /IV 340 �i - ca • 2tJ 3 � c�, �8 ' =Rom __.s.TA , 8s .3 ¢ - E'.C. f 7�. z S L = 1-2 3C.01' So = o, 005 0 00¢37 12 3C ,p/ t 5Hr. -5- IoM sr� . ) 7 -f 73.25 To 57 Q = �711S• 2 CF.S /¢' xl::� c C3 . /G = 2 8/07 ©. Oo50 o • CO-383 - y= 13 9 Ff' L 0-1003R3 17, G g) - L it I' To /d 7 .- 00. Oct `7 Q= /G Gs. / S / 4' X 0' l?.G �3. = 2 8 /97 L = X05, ll So = G- 00 Z_ O.OV3g.� CS = 2 • f S. 52 = 7.6 o Yn S# 7 6 SHT 7 AD /// 4-08, oc-) oa 0o 733 d•C. 7 i/ t c; 1�PS ciL = 7� RoM S I /// f 0 S. o o 7 60 in = l¢�(; •4 CFS lc- 7 Go ' f-Oo. ov 7'o /a-o 4 )-o . 00 0 Q - l¢ 2!. Crf 31 vk SHT 7 �►� = 4• c¢ V 5#T. S �in �rA, /Zo f moo, o� 7`c� srh i2 � f X3.39 dp g o c1 = G. ytn = lS BPS dc - c c0` Zc� 07A /2q- -A Z 3, 3� ro L = 73, /c ' So = o. Oo q-,Z:N un Jc = 3- 78, 38 S O OO �Zd �►� = 4• c¢ V 5#T. S iZom S rA / 2S t 9�7 -7-3 ?o l Z 139.9 3 C = 9 ,29.8 r---�r /g ' x �S ' q - C "8 . �-_ /co, ao� S' p,vv�o E l err 5Hr v = to &C — /0/3,45 -9.00 = 3. so x f P ' = f' x -f- 0.00 7tl X 0. GI = p, 0004 f 2,81 f o. o04g/ x = 3.20 X = 72-5. G2' )6 ¢3 f 72S • CZ 10-5188.05 5 195 /0 AT AEAcH O So > S{ ,WD fitATML_ )C7LOW W /c-L- OCC s0 vta v / ,p Ej - v 7 /• 5�' X X f 7/. S¢ = 7 97• /G F Iccs - C83-3 7 - 1 5W 5STi 7ZI T ^j �3 6W� /4-(:) 32.2 L 2/3.29 - ( /ZG,II - 5C7) -- aZ/3.29 /29J t 567 = — d3o. 82 ... - /2 G 2 /3.29 z. z = to &C — /0/3,45 -9.00 = 3. so x f P ' = f' x -f- 0.00 7tl X 0. GI = p, 0004 f 2,81 f o. o04g/ x = 3.20 X = 72-5. G2' )6 ¢3 f 72S • CZ 10-5188.05 5 195 /0 aft M �.-~] ! ' Q2*V2 - Q1*V1 - Q3*V3*COS(THETA3) �a Y— ----------------------------------- .5 * g * (Al + A2) (1864.8)(14.8)-(1745.2)(13.851) = ------------------------------------------------------- _ __ 16.1(126 + 126) '| | (1745.2)(13.851)-(1665.1)(13.215)-(80.1) (3.371) cos (45) = _________________________-______________ --------------- 16.1(126 + 126) _ 1977.538 - = __________ -- = .487' Delta H = Delta Y + V1*V1/29 - V2*V2/2q �------- = .487 + 2.714 - 2.982 Juction Loss from Station 84+30 to Station -------'- Q2*V2 - Q1*V1 - Q3*V 3 * COS(THETA3) nelta = ---------------------------------- -- - .5 -x. g * (A1 + A2) (1947.2)(15.454)-(1864.8)( ------------------------------------------------------ 16.1(126 + 126) --__- 2247.087 = __________ 4057.2 ~~ = .554' Delta Y + V1*V1/29 - V2*V2/29 = .554 + 3.404 - 3.712 _ ' ' = .246 , ' *************************************************************************** '--Juction Loss from Station 97+73 to Station ' 2374.901 = ---------- 4057.2 = .585' -- Delta H - = Delta Y + V1*V1/29 - V2*V2/29 R = .585 + 2.982 - 3.404 �� = .163' ./ ctzon Loss from Station 97+90 to Station / ---'' Q2*V2 - Q1*V1 - Q3*V3*COS(THETA3) / | Delta Y = ---------------------------------- � N�1 (Al + A2) '| | (1745.2)(13.851)-(1665.1)(13.215)-(80.1) (3.371) cos (45) = _________________________-______________ --------------- 16.1(126 + 126) _ 1977.538 - = __________ -- = .487' Delta H = Delta Y + V1*V1/29 - V2*V2/2q �------- = .487 + 2.714 - 2.982 Juction Loss from Station 84+30 to Station -------'- Q2*V2 - Q1*V1 - Q3*V 3 * COS(THETA3) nelta = ---------------------------------- -- - .5 -x. g * (A1 + A2) (1947.2)(15.454)-(1864.8)( ------------------------------------------------------ 16.1(126 + 126) --__- 2247.087 = __________ 4057.2 ~~ = .554' Delta Y + V1*V1/29 - V2*V2/29 = .554 + 3.404 - 3.712 _ ' ' = .246 , ' *************************************************************************** '--Juction Loss from Station 97+73 to Station 3 ~ U N LL • A r p . X o. • N �.. LL .. W E > CL 1 J n pq U. c , .. N it O Z O U G LL Z J A LL Q U' 3 z U .. J w A r Q ~ A } Q LL w 2 W U U Z W H W U Z 0 -+ W �+ A J Cc O m I F m ui Z I CL Q I I I I E ! A 1 11 V \ p 11 W I OD W Lo 1- U to n ati ALL to I -{ I N Z I CD I N ICI I U �- I I r) �o m a O N I y�� c`( V N I- W ~�cLJlu AL` O I A Ic+ M 1Z, I U7 11 I U') -7- .. 1 O 11 If I ALL: I I� u U II i i i ! 0.1 �' n C.ti ! NJ CD I M 2 U I LO LO J .. I I r;v., I I ��c• U I iv =c is f7 U) I ti U ,� it Y 10 J n ! 41 Q J U7 A ! Q -i W Z LL. 7 ( Z It ILl �aa ¢ 1!1 0 N O I [t ` I d I-- Q IM i I ! . M E 1••+ � •W h) E I J l� N? G O I O I j l I I n ti �1 GUL' N� N i �N Nt LL I .+ UI ll; OD O .r N I ! d I Z) LL.I U7 I ••? II I U W C. 11 rj h-\ 1'i ^.. I LL i LL LL2 G cn � 11 X I ! I cn i I I xO I I I OM O IiLr? i OCU JY O CL X Qra I JY F I¢In , I ¢0 LL I- I ! LL Z ! O 0 O " U j -• I U r ' • I I U I- ALL�l a LL, I ALL W II i J OZ 1 J j 0Z_ d. I ~x I AI M x 4 W A i A nX ! Q Ip ! O W- I 3 i C ; W 3Z ' 00 F j N U I" U 1 J U CL A N Q U CC 1 A Z 7 OD O W O W i II U1 C q II U) UI I- Q p. Q J - Y n I Q J p x a CLI 0 LL =' x AY.. O U I I- W U i F- W UI U Z U7 U Z', N O O N Z O -+ N O O N Z O T cL W •• Z I U) tL W J U- CL A J I �I I I U- LL A ® dW dW ^ K ® .... Df NP _„ DA qMk -J LIM PROJECT LATERAL "D" PAGE 1 e DESIGNER ' V LINE Q D W DN DC FLOW SF -FULL 'l V 2 FL � 1 FL 2 HG 1 HG 2` D 1 D 2` TW TW NO (CFS) (IN) (IN) (FT) (FT) TYPE (FT /FT) (FPS) <FPS) (FT) (FT) CAL C (FT) (FT) CAL CK_REMARhS- (11SJ'UAlft P IE Stiff 1 HYDRAULIC GRADE LINE CONTROL = 1041.87 2 1.1 18 O 0.17' 0.39 PART 0.00011 0.6 3.0 1040.37 1051.08 1041.87 1051.47 1.50 0.39 1051.64 1053.58 HYD JUMP X = 0.00 X(N) = 24.65 X(J) = 4.94 F(J) = 0.35 D(BJ) = 0.17 D(AJ) = 0.76 • i f{- �4`r c $ . _ /► 2 3 ` ° � f /•S t IBS /, 08 = - AV PSOMAS & ASSOCIATES STORM DRAIN ANALYSIS D ATE 4-JUN-B? Ar' PROJECT LATERAL "F" PAGE 1 I GNE R - -- - -- - - -- - -- -- - - -- - - - - - -- - - -- -- - - - - - -- - IV - --DES -- - - -- - LINE Q D W DN DC FLOW SF -FULL V 1 V 2 FL 1 FL 2 HG 1 HG 2 D 1 D 2 TW TW _ NO .SCF5J__(IN)._.(. AFT)_. ETL ___TYF'E__(FT /FT_)__._(FF•SI - ( FPS (ET_) ___(F.T)_ ---- CALC..___ -- CALC--- ._(FSL ____(FT)--- _.CALC Ck'� REMARtS__ 1 HYDRAULIC GRADE LINE CONTROL = 1042.07, C A5_fv/ltc pIPF_ Svff 2 3.1 24 0 0.31 Q.61 FART 0.00019 1.0 3.8 1040.03 1043.36 1042.03 1043.97 2.00 0.61 1044.24 1047.64 HYD JUMP X = 0.00 X(N) = 45.77 X(J) = 12.50 F(J) = 0.99 D(BJ) = 0.32 D(AJ) = 1.08 3 ff O 1... -AT C. 6 . _ /, Z .� + !2. o 4- /o f-3, 3 c _ /oSt G3 PSOMAS 84 ASSOCIATES STORM DRAIN ANALYSIS DATE 4- JUN -89 PROJECT LATERAL "G" PAGE 1 -- D E SI GNE R ------------- - - - - -- - - - -- - - ---- ----------- - - - - -- - - - - - - -- - -- - -- - - - - -- ' LINE Q D W DN DC FLOW SF -FULL V 1 V 2 FL i FL 2 HG 1 HG 2 D 1 D 2 TW TW NO (CFS) <I N) (-I N.)- _(FT)- (FT)___ TYPE.-_ (FT /FT) ___.(FPS).(FPS - )___ (ET)_ - (ET) - CALC _ _. CALC_ (FT)_ . ___(FTL.____.- CALC_ CY,_ __REMARK;S__ 1 HYDRAULIC GRADE LINE CONTROL = 1044.27 C ?J 2 2.0 18 0 0.33 0.53 PART 0.00036 1.1 3.6 1042.77 1044.82 1044.27 1045.35 1.50 0.53 1045.59 1048.82 HYD JUMP ' X = 0.00 X(N) = 51.69 X(J) = 19.38 F(J) = 0.47 D(BJ) = 0.33 D(AJ) = 0.81 - --- - - - - - - -- 3 h�G L 4 T c. = A.2- ,� /. S f- b Ac. &2 ., /a 4�c•SG