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HomeMy WebLinkAboutSan Sevaine Basin #3 Watershed HYDROLOGIC MODELING OF SAN SEVAINE BASIN No.3 WATERSHED AND HYDRAULIC DESIGN OF RICH BASIN & HAWKER CRAWFORD CHANNEL /0 , / ///, /, to / 50 70 b MODEL FLOW CHART m \ 40 c/1 60 70 A t0 20 30 AO 60 60 70 70-A 70-B \ RICH T BASIN © �� � CHANNEL Q \ e 4> i 80 CD 90 • 0 SAN SEVAINE BASIN No. 3 m O ao 0 4 PREPARED FOR J.P.KAPP & ASSOCIATES R1VERTECH INC 1 APPENDICES ' . SUPPORTING CALCULATIONS AND 1 INPUT /OUTPUT DATA FOR THE MODELS 1 1 1 1 1 1 i LIST OF APPENDICES SUPPORTING MORMONS AND INPUT/OUTPUT DATA FOR 'I Nf3DELS APPENDIX A . . DEVELOPMENT OF RAINFALL DATA Al A42 APPENDIX B . . DEVELOPMENT OF TAG PARAMETERS B1 -B207 APPENDIX C . . DEVELOPMENT OF LOSS RATE PARAMETERS. C1-C72 APPENDIX D . . DEVETDPMENT OF DATA FOR BASIN ROUTING D1 -D16 APPENDIX E . . INPUT DATA FOR HYDROGRAPHS El INPUT DATA FOR HYDROGRAPHS (EXISTING CONDITION) E2 E10 (INTERIM CONDITION) Ell -E19 (ULTIMATE CONDITIONS) E20 -E30 (0) E31 -E37 APPENDIX F . . MODEL OUTPUT DATA Fl -F183 SAN SEVAINE BASIN NO. 3 MODEL (EXISTING CONDITION) DITION) Fl -F49 (ULTIMATE CONDITION) F50 -F107 (INTERIM CONDITION) F108 -F158 RICH BASIN MODEL (ULTIMATE CONDITION) F159 -F163 (INTERIM CONDITION) F164 -F171 (EXISTING CONDITION) F171.1- F171.6 SAN SEVAINE BASIN NO. 3 MODEL - SINGLE AREA ANALYSIS (ULTIMATE CONDITION F172 -F175 (EXISTING CONDITIO) F176 -F179 (INTERIM CONDITION) F180 -G183 APPENDIX G . . HAWKER -C AWFORD CHANNEL HYDRAULICS Gl-G20 iv • 1 i 1 1 1 APPENDIX A 1 DEVELOPMENT OF RAINFALL DATA 1 1 1 1 1 1 1 I 1 1 1 1 1 Al 1: PROCEDURE TO DEVELOP RAINFALL DATA OVER THE MATEESBEDs DRAINING TO SAN SEVAINE BASINS #3 FOR E: STING, INTERIM AND ULTIMATE CONDITIONS. 1. Using the San Bernardino County Hydrology Manual, isohyetal maps were Prepared. (See Ekhibits E, D and F.) 2. For each watershed, using the method of area - averaged point precipitation determination, described on page E41 of the manual, point precipitation values have been computed for each watershed. (See pages A3 through A42.) These calculations provided the following data for each watershed: • 100 -year 1, 6 and 24-hour point rainfall. • 10 -year 1 -hour point rainfall. • 2-year 6 and 24 -hour point rainfall. 3. The above data was plotted on log -log graph paper. (See pages A3 through A42 . ) 11 0 I; A2 4. Using the above graphs, pow precipitation values have been computed for durations of 5-MIN, 30-MM, 1-HR, 3-HR, 6-HR, and 24- BR as follows: • For the frequency under consideration rainfall values for the durations of 1-H2, 6-HR and 24-HR were read directly frcrn graphs. • For durations of 5 -M1N and 30-MIJ the following formula was used: R = R1 (T) mfl R = rainfall in inches R1 = 1-HR rainfall T = duration in hours m = slope of intensity - duration relation = -0.6 for valley areas = -0.7 for m , ntainous areas. • For the 3-HR duration the following formula was used: R3 =R6 (R3/R6) 0.387 Where R1, R3 and R6 are the 1-HR, 3-HR, and 6-HR rainfall values in inches. The results are summarized on pages All and Al2. G A Z A ZS r1 -e_QU 4 �1 -'1' WAT��l� � 4 I o r I 1 Lo u IZ- lack i t-% N.1._-L- I NCINGFIFE+) 21 1-19.a IZAINTALL IN C11441E 6.1 = 2. 0 x o.8 .. 2 •ZP� 0.1 = (0.Zy7x a=i. II D^2- = 2 1 x 2ov •41 dZ = y DIP 7 x'j °3 = I i7. d.3 = 2. 01 62 tai •4 d►3 c o2 x,.S = I 564‘ 1 emf c 2. -lost = ZZ•6¢ 6..i _ -4. 19 x 10.P3 . 49 d c, = 2•( 3 °$P) = S'1 am = -Iou x4 _ 18•Ze6 II 64 = 1.`1X .We 0.5 = 1 •(Q 6.C.{ vg. NZ • 1 °1 1 .03 = r7q . 2 71 2-1.-4 118-le �O I A L 4 ° 34 23.03 2.3. 116.16 /z4•4 4. el 1 W AT.(2-'4I e_a + Zo Z'i' 4•47 t1z- Et_.1.i-te Co iU lz• 124.1N TALL IN(INc,iIEh) 24 141 2-. tagN DAL -1-. tN(It1cl1 ) 1 5.1 = 2 . 4 1 x 7 . . . 1 = Co.0 0.1 = Le .2.c7 X (. _ 9. 6.2 = 2.1 X I °tale 6.2 = p ° - 1 P7 X 1.4 = 42. 6. = Z. Lp X 4.5 = It 00 d., = t ) 2 . ) ( ! ‘ = 11 • 7P1 1 1i.4 = 2•'7X 2°I = 9.83 Al = - .1 .9 = $ • 14.5 = 38.62 14.I 11 ° ii LTA. L = 38 .4 / I4.8 Z.&fl 11.2,/ 19.1 �-�8 WATE.gcv *I ?i 0 21'1 =A 26 rz c_t NG. T . 1 Co 14- • 1 IN FALL, iNO Ncll Y 2.411g... 1?40k T N 1=ALL- tN 04C.0 b) 1 2 IA XO = 1.1z� 6.1 _ ..4.)(1904:99 - 0.441 3 r71 8. = 402�X 0.8 3 '7.4 A r., 2 �1 °� a ° iii b ..- 5 _ Iv95 x0.1 ? I °'155 d.3 a 3 e9 X I° 2 �°� • Z,° 1 (.rz•...i, 2.-9 I o •4I (0.44/ 3• l Z -VE, loo 41 / 2. 1 ! 44.0 1 E 1/.1) RS ■ 4 10 Z1" H2- Ne--r . Ca • 1 1=P1.1, t NLricii ) 24 1-112-. IZ N r LL- I ►-1 o 141.44.) . a.l - 2.. 1 6 •Co d.t _ c,.z�,x 2•L It 2,x4 °4 z 14 ; I L Az. = 4:12x(7.3 = 29.9Z j A3 _ 2 °1 x 2 ° L 2 r704(o 6,3 = 4.2.2x1•'1 = I1 •4 I 64.1 Z 3•Cj xl.o Z '27 -41 11 °1 ZO •1S 12. r go " fi°TAt____.. 2Ce•l80i 2.eto ,,,,•P' i .(o,61 Ai I ; co 4-1 R • 17---AI NPALL . IN U N h) 2.4 4-V-. I2-A1 N ALA in) 6.1 = 2. x I.I _ 2,a1P7 d.t = GJ •IZ,X (02, = Co - I d.Z = 203x3 - - 1 0 Le. a-z = 10 1 307 = ►cv •2 6-3 z 2...11S" x0-7- a 0043 -q . Ce 10.18 -1.-i 21- 3 cv ToTAI_ = . i0.18 /40(p 2.34 2 . 1 - c7 /4-4 4.23 WAT t2 4 Ceo zle i=' -S rIZ- QLo11✓1'-1e--`C • . • (0 K. IZAN rAl- -- INctt- tall ) 241412 -• p.AtN rPrLL- . tt4(114CAl ) &I = Z 2 S 6.2. 2•I \AZ•� _ `t 83 c!)-Z_ c ko1.c7 )' MP iz•& TOTAL. -1.88 t° • cp'b .4 • 9 22-..2 10.63/4.88 oZ•11 2 • 4• c7'-2 W A T ( 4 # 1ro , 1 2 Yr s P---1= czu Nt c---T - E . CQ I1 R-. I t 3rALPL tN Ct-tc -14 0) 2 *14 -• P-,AI Nt AL.(- 'IN(I.44.IB9) . t 014 . 2 ,21 d.z- = Z.( x 1.g - I6•4 Exz- _ Q.2G1 X4.% z 20.4 63 L 1.9C Z•' = 41 �-3 = � •9 x 3 ° ce = 1`t ° oq t1.4 v4, - t1•C -{cl •CA TOTAL z _ z3 -sp a .6q it • (� 4.21 WA 1=b # 80 2T r...A h Piz -emu N(`C Li C e.. at ht. 1=).1,1. IN Lt c 4) zA 41. , 1? AlN 1~A L.L. I NON[ -U ) AI = 7,...25x. o. I z O•ZZPj 4.4 4. rih x o •O I S 2. 0-01 Az= 2.1x 1.12 = L• 436 , act_ z . Q d2Ska.2 = • '( , 1 0 � •3 z 1.9;)xo -9 = 1.1P A.3 z 3.9 x 1. B Z 1®0 - Ti 2.. 1(0 . AIG 1 z•o'1S 5.195 i o 10.1- . /z.... 1 4 z. 6.4 1 es. I9 S / & 0 01 S 1 '5•1S 1 1.--.1r..1 _tom lk 9 D 2 M 2S 1= N-G" ,, to g Iz • 2,i N BALI. IN cii-1 b}1 4) 2,4 R- . 1 2 -AIN TALL IN U wilts) S 0 CASS 6 k1 - .)Co x v• b 2.88 r ' 0 .9 I:1 SS 0 • $ Z0 S% ° /NU • T.1SS/0 1( Ir z °s$l X II -9 , A ;, N 41. * 10 10 'f . .N ta<- F C Et1' 1'. 1 14-1P-- • izArN 5AL -.1- 14crt-►c lr e-..- i eN.1 _ ! 2.G2x1.1 - 2•41zz 6,7_, ; 1.3P, x •2. = 7 • I P ' � 6 = I .ZP7 x 1.1 = e. a b...1* b...1* _ 1•1cI x i.o S•O 2 f b'1 = I . azP7x 2 .e. Z Tap. (-• 2 3 . 41 29 • 4 4 2.9.4/ 23. 1 .2 1- ip.1 i- 1•4 .n if 20 1 o *r.-40.•0- Pe a 1' It 11 -1t2. . 12.Dc I NAP L 1_. 1 ti (1 fi N ) d.1 = 1 .4 z. x o •'15 = 1.04) 13ix S 9 _ 12.01 3 •_ I . z x ' • Z = ,9 1.17SnO•2- 0. 23'. 18 •0b/14•o 1.32- WirE_ ex.4t Wb t 30 1 n 1- t1 . -k'-. • e t`i _ 1N (1t lA f-) cal - 1.1 x0 I.n r,-L__ 1. o2 S ?‹ I .9 = I . 9 41 t , 70TAI- z•s ' Z• °t/5 1 H e- • IzAIN A.LL_ - 'No Nc.11P4) b . Z = 1 1 1 ( P 7 . 1 Le•r-P-, 1 4 ._ I.0 x 0 1 z d •9 /5 1I• 13 - �� oTAL. T 1 3•� v/11.� 1•1P>Ge t7 4 d o I o Q 4 a t 4 1 11-}Iz- . . 7 A r I q r te . - 1 ra 0 146g — I .2 1• ; 1.4 I D,z. 1 .1L, x - 2_1 3.1 QS' a. = 1. o 9 S x 0. 2- 0 .21 ci E . s76TA.L— v -1.7_ A 1- -.14.1'.e..1Z ._t> Leo I b 1''EAes V t ;1` . 1 11- -1•12- • R N d.l _(L 1140:144.11.,) bo = II I Sx • g •°I 6.2 I.D01 x1.2 I.'oee) 1 IA AT 5-- (2 #10 ° - ' - r=R- n.62u0 y. 114V__ • e-a 1`-1- F•L_'I. l N C1 1wwG14 ) a.t = 1 .12x O •c1 - 1 •o12S 1 b.Z. . I . oc( x l o • `$ — 11 - s-2.(0 ToTb.L. i 11 - - I W AT 6 # So 10 1-'. Pe- .1 1 C'• 1 } . ti IS TE>LL ■ - I N 0 r4-A.k 1.1 zc x 0.- -- 0 .. I 017x7- •2-S z 2, ToTA 2`.r.,�. 2 S 2 � • �� 1 ' O `i8 W aT >G24-1 -1• b °t 0 to r p, r E t *-T • 111r2.- . N rou , ir,u N .44 J 6.1z1.0 c -X - c " .23-'1 © s1 Talc.. 0 • 81 / -I••A 0-0 ) , o g,1 1 1 1 I E . . Al C . IAA I CI 4 10 I oD'(' AiZs P lau .144 . 14t 12 I r r uu I N Cl NGIi ) La 441 r2441-4 F gi.- m 0444K) 6.1 _ Z001 •Oa(1 = O• f2,' 24 z 1.2,nI.1 = I'L•24 aa. = (09S x D e 6 1 - I•"tSS a.z_ Z 60 S K6o9 14• %S A z I o$vI X 2 •q _ G!.210S A • 2 CjaSX I. 2 4 l 1 6.4 = 1.'1s x .1 - g a `l1 S 6.4 Z A.' X (I 6 z 2 e = I. c A 12 . r, _ 7,0 • (02,S 1 at,C z. i• c71x2.\ :- 1 2.3 2 09 Z4 -V -41 -10 I 24.2- 1 % :2,1 ToTAI- = -41.401/7-4.1.1 101.4 -' I • / 2,4, 2--- P e � k 4V Zo l o 0 7• PARS t9 - z u t-L . t t - t , 1 2 - 1 2 - 2!kr - FALL- t N 0 N e - t - I ) t o l - 1 P - - P . P . ' N . rpr LL_ 111 (1 Hd d ,i e 7..11A. 0.0 i ,. o • blecv 6,1 _ 1 .4 x 3.4 = 2c•t(o ''•Z, z Z .Or 1 X 0 • $ z I • 42'41 at... _ (p . .- & s • 1- 1 - W •- a.- Z t.gsx t.V1 ? 3•Z5-, 6..% Z . c x I.(, = $• z 1,$s' x6..1 _ 11.12 as -5-- 1.1 S'x4•1 z - 7 .17C 44,2__ 1. 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Z o • 1 1 � 1 S°I xa Z 1•431 4 1 .2_ .1 . 9 Z(o •Sit I ToT.0,L 7.2-M.,4 1•Cie 2 •2A/4.1 3.41 WAT E.12-44-1 . b # Ceo I o o T W2-ii• P a5Zu G'Y . II 11-412 • 'ZAN rte- 114 014c1.1 CQ Hr-- • R.AI t-4 o1..L._ 1 N OH M%) 1 .e>.1 z i f o g nZ.!o = 4•z2S 6. 1 -,.2 X2•,- 1 2>. . S`t ) z 4.2q d. Z. _ 4 • '61 S x 2 - '1 2 14 • 13- r ---$ .Slt � •C 21 -li U T,T,L s•cisis.-- t .(0 2 :7 11 / • C 1.4pje z4N E1: 4 10 too 'rtAias. P.. GzU EN 6-i. I I I-I a- . -aTN rbiLL t t (JI4C 4 ) 6N R- • I?ai t-%•F.aI.LL... 1 N CIS) a.1 _ 1.( 1 x .0.046 -2 o•b`l•oty a,( Z. c, •3Sx3•13 -- 1 (01 1 •S°l x I1•1 2 IS . t 6. 2_ z .1 •1. S x 1'4 ": 3c •IT IN It . 1 b •11 to •> -D3 P;1. tilr - ) LT L t$ _get /11•QS 1•S1 t• `6 /l ? -4 .9 2 _ �Jo.Te 4 t) 4 8a loo ' I P.4t4L �F5zu E. N1• . II 1 {-I IZ • I I P-.a (N Fc. LL- Imo Na rte) 4 4-1 . i2-4 7N N faLL ---- t NO NCles) .6. Z 1.tot xco d•3ZS d.t ' `�•1S -- _ io,: 92) 1 t ' i>. .1- Z 1.S`ls X2'1 3•34ic °,z- Z 2 .--. 3 •(QS Z • 10 11 T0 TAL 3 •G S lz.•• I • Ccz 10 • a 2S /2 • % 4.1 S 1-- IATTr2 - ttc.D 4 e! O loo 'YEAR -4 . LAV_Ne--`1 . 1 1-H P- . 12-4..1 rA Fs. LL._ IN V 04 ts) H 12- • RN1 FALL-- • 1 141-1 ts.) &I _ I.Vic x o. ( .2 Co e.,1 2 -4.4 xa•8 -- 3.4,S r TOTAL 1 1.- k1°• q . 1 S1 _ 3•4, g70•$ 4 .62. A1 1...1.07. R--14..h *10 too'm..AI2. .,61.1.1 . 1'. TA k2... iri Lk, ►r4.CLl44E -) 1 e.■ _ 1.c — 6•lc-2(e a .z IS x 3• — = A-- Z I"S n CQ 2 ` 3 ‘ `i39 •1 D - - A L I l x l o• C7 1 1 la CC - o • "1 S 2S `5 • .1. I t.l cll.g..---44 E 4 ' # 2O 1bo 'MAR .UM.N-1 21 H • I -t — Li__ IN ct4clirs3- a1 11x •c 2. 41•C 6.2_ .. 1S'x G•et z l0 1•t Ill 1>-' = x 3 • CQ Z 4 (o • $ l� D�. Il• c x 0• t q q w l3. 0 & 2-o 2, • 'Z, TvTa� 2-0 •Z /1 •S 14. Co . 1 - - # 30 Ioo Two_ t'E.Tzc w4.c_fi. 2414-V- . ?c r$1 AL:C.. I14~0 r, 4c) - I I d - , 10• �Z•ZS 1 ' . .2,. •2. S` 1 . 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The times of concentration have been multiplied r by the factor 0.8 to obtain the lag parameters. The following steps were the procedures for the Rational Method of canputation. • For a watershed which is generally located in a ncuntainous area the slope of the intensity - duration curve was selected to be 0.7. For a watershed generally located in a valley area the slope was selected to be 0.6. • The 1-HR intensities shown in the summary table of Appendix A were used. For existing conditions a 25 -YR rain was used for the 100 -YR analysis as required by the County's revised criteria for detention basins. 11 • Hydrologic soil classification maps were prepared using the County's Hydrology Manual (see Exhibits G and I). • Land use maps for existing, interim, and ultimate conditions have been prepared based on field visits for existing and the General Land Use Plans developed by the City of Fontana and the CauYty of San Bernardino for the ultimate condition. For interim and ultimate conditions, information produced by J.P. Kapp & Associates for the Hunters Ridge was used to calculate the time of concentration for watershed 30. For ultimate condition, information prepared by Hall & Foreman was used to II calculate the time of concentration for watersheds 70A and 70B. • ToP� 'c data were developed from the USGS Quadrangle Map (see Exhibit J) 1 1 B1.1 • Using the results of the Rational Method shown on page B2 through B207 the lags are computed. The lag values are summarized at the end of this appendix. 1 1 • 1 . ~ ' ******** N� RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I01071 Especially prepared for 0� RIVERTECH INC. �= ***** DESCRIPTION OF STUDY ******* * RATIONAL METHOD (COMPUTE LAG FOR WATERSHED 10 EXISTING CONDITION I * * **************************************************************** FILE NAME: 100HR10. IN TIME/DATE OF STUDY: 15: 5 9/ 8/1987 I USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: == ==== - --*TIME-OF-CONCENTRATION MODEL*-- USER SPECIFIED STORM EVENT(YEAR) = 100.00 �� SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .7000 USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.4500 ************************************************************************ FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 >>>>> RATIONAL METHOD INITIAL SUBAREA ANALYSIS C ^ _ NATURAL AVERAGE COVER __====== TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 N� INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 5165.00 it DOWNSTREAM ELEVATION = 4840.00 ELEVATION DIFFERENCE = 325.00 TC = .706*[( 1000.00** 3.00)/( 325.00)]** .20 = 14.010 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.014 SOIL CLASSIFICATION IS "D" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA RUNOFF(CFS) = 38.67 TOTAL AREA(ACRES) = 11.60 PEAK FLOW RATE(CFS) = 38.67 *************************************************************************** FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 ' m� --- ----' 's COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA ------------------- °� UPSTREAM NODE ELEVATION = 4840 . 00 DOWNSTREAM NODE ELEVATION = 4640.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 �� CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 ~ ' M-ANN1Nbb .080 MHXlMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 38.67 ' ~~ FLOW VELOCITY(FEET/SEC) = 7.48 FLOW DEPTH(FEET) = 1 .83 �3 3 TRAVEL TIME(MIN.) = 2.23 TC(MIN.) = 16.24 `_ ************************************************************************ FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 �� w� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.620 N� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 22.20 SUBAREA RUNOFF(CFS) = 61.14 EFFECTIVE AREA(ACRES) = 33.80 �� AVERAGED Fm( INCH/HR) = .474 TOTAL AREA(ACRES) = 33.80 PEAK FLOW RATE(CFS) = 95.69 C TC(MIN) = 16.24 ***************************************************************** FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 5 >>> >>COMPUTE TRAPEZOIDAL-CHANNEL FLOW, <<< C , >>>>>TRAVELTIME THRU SUBAREA'-„ ___________________________= _____=____ _ _____________====________ UPSTREAM NODE ELEVATION = 4640.00 DOWNSTREAM NODE ELEVATION = 4360.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1600.00 CHANNEL BASE(FEET) = 2.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 C CHANNEL FLOW THRU SUBAREA(CFS) = 95.69 FLOW VELOCITY(FEET/SEC) = 8.94 FLOW DEPTH(FEET) = 2.42 TRAVEL TIME(MIN.) = 2.98 TC(MIN.) = 19.22 ************************************)&***** ******************1-#4**** *4-** 34*** k• FLOW PROCESS FROM NODE 1.02 JO NODE 1.03 IS CODE = 8 0� -- - >> ,, 'ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.217 N� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 65.50 SUBAREA RUNOFF(CFS) = 156.61 N� EFFECTIVE AREA(ACRES) = 99.30 AVERAGED Fm(INCH/HR) = .531 TOTAL AREA(ACRES) = 99.30 0� PEAK FLOW RATE(CFS) = 240.04 Y� TC(MIN) = 19.22 **************************************************************************** FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW ' N� >>>>> TRAVELTIME THRU SUBAREA<<< -------------------------------- UPSTREAM NODE ELEVATION = 4360.00 I DOWNSTREAM NODE ELEVATION = 3520.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2100.00 CHANNEL BASE(FEET) = 3.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 U� - CHANNEL FLOW THRU SUBAREA(CFS) = 240.04 FLOW VELOCITY(FEET/SEC) = 15.15 FLOW DEPTH(FEET) = 2.75 TRAVEL _ TIME(MIN.) = 2 31 TC(MIN ) = 21 53 d N� ^ ^ ' ^ T� ` ************************** FLOW PROCESS FROM NODE 1.03 TO NODE 1'04 IS CODE = 8 _ >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< g 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.971 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 79.90 SUBAREA RUNOFF(CFS) = 173.38 EFFECTIVE AREA(ACRES) = 179.20 AVERAGED Fm(INCH/HR) = .544 TOTAL AREA(ACRES) = 179.20 PEAK FLOW RATE(CFS) = 391.46 TC(MIN) = 21.53 ***************************************************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 5 I >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<< >>>>> TRAVELTIME THRU SUBAREA< __ _ _ �� UPSTREAM NODE ELEVATION = 3520.O0 DOWNSTREAM NODE ELEVATION = 2800.00 �� CHANNEL LENGTH THRU SUBAREA(FEET) = 2200.00 �� CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 391.46 FLOW VELOCITY(FEET/SEC) = 15.85 FLOW DEPTH(FEET) = 3.69 TRAVEL TIME(MIN.) = 2.31 TC(MIN.) = 23.85 ******************************************************************* �� FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 } - - - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << 100 YEAR RAINFALL INTENSITY(INCH/HOUR) 2 = 2.766 . SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 79.90 SUBAREA RUNOFF(CFS) = 158.64 EFFECTIVE AREA(ACRES) = 259.10 AVERAGED Fm(INCH/HR) = .549 TOTAL AREA(ACRES) = 259.10 PEAK FLOW RATE(CFS) = 517 ^ 06 { TC(MIN) = 23.85 ***************************************************************************. FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 5 >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<< >>>>> TRAVELTIME THRU SUBAREA'-<- ` 0� ----- - - ---------------==--- -------- --==== UPSTREAM NODE ELEVATION = 2800.00 DOWNSTREAM NODE ELEVATION = 2200.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2800.00 N� CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 ~~ MANNINGS FACTOR = .060 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 517.06 0� FLOW VELOCITY(FEET/SEC) = 18.04 FLOW DEPTH(FEET) = 3.71 U� ~~ TRAVEL TIME(MIN.) = 2.59 TC(MIN.) = 26.43 .E5 w� ************************************* FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 8 N� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW -------------------------------------- -------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.574 SOIL CLASSIFICATION IS "B" N� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 118.70 SUBAREA RUNOFF(CFS) = 215.13 EFFECTIVE AREA(ACRES) = 377.80 AVERAGED Fm( INCH/HR) = .552 TOTAL AREA(ACRES) = 377.80 PEAK FLOW RATE(CFS) = 687.33 TC(MIN) = 26.43 4 ************* 4- **** 4- *## ,- *****************# 4 .****..A****4**-P-***********4-1.-P-4- � N� FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 >>>> -DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE �� ________===_ m� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.43 RAINFALL INTENSITY (INCH./HOUR) = 2.57 C EFFECTIVE STREAM AREA(ACRES) = 377'80 TOTAL STREAM AREA(ACRES) = 377.80 PEAK FLOW RATE(CFS) AT CONFLUENCE = 687.33 *************************************************************************** m: FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 ---- - - >>> >>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<< NATURAL AVERAGE COVER TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 700.00 UPSTREAM ELEVATION = 4680.00 DOWNSTREAM ELEVATION = 4200.00 ELEVATION DIFFERENCE = 480.00 �h TC = .706*[( 700.00** 3.00)/( 480.00)]** .20 = 10.462 �� 100 YEAR RAINFALL INTENSITY<INCH/HOUR) = 4.924 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 N� SUBAREA RUNOFF(CFS) = 27.10 ~^ TOTAL AREA(ACRES) = 6.90 PEAK FLOW RATE(CFS) = 27.10 ***************************************************************************+ FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 5 >>>> .COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>> >TRAVELTIME THRU SUBAREA<< ________ _ _ _ __ _ ------------- _ _= UPSTREAM NODE ELEVATION = 4200.00 DOWNSTREAM NODE ELEVATION = 3600.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 N� MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 27.10 FLOW VELOCITY(FEET/SEC) = 10.22 FLOW DEPTH(FEET) = 1.20 U� �� TRAVEL TIME(MIN. ) = 1.63 TC(MIN. ) = 12.09 - ^ %CO N� ******************************* FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< ==-=======_____=====____________=============== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.450 SOIL CLASSIFICATION IS "B" N� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR, = .5600 o� SUBAREA AREA(ACRES) = 25.30 SUBAREA RUNOFF(CFS) = 88.57 EFFECTIVE AREA(ACRES) = 32.20 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 32.20 PEAK FLOW RATE(CFS) = 112.72 TC(MIN) = 12.09 ~~ *********************************************************** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 5 m� ---- - - ------- ------------------ >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW << >>>>> TRAVELTIME THRU SUBAREA<< --=------ -----------==-- ---------=-----=======� �� UPSTREAM NODE ELEVATION = 3600.00 DOWNSTREAM NODE ELEVATION = 2840.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2200.00 CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 112.72 N� FLOW VELOCITY(FEET/SEC) = 11.91 FLOW DEPTH(FEET) = 2.23 TRAVEL TIME(MIN.) = 3.08 TC(MIN.) = 15.17 ***************************************** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW N� =________= _______ 100 YEAR RAINFALL INTENSITY = 3.797 SOIL CLASSIFICATION IS "B" � NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 66.80 SUBAREA RUNOFF(CFS) = 194.58 �� EFFECTIVE AREA(ACRES) = 99.00 �� AVERAGED Fm( INCH/HR) = .560 TOTAL AREA(ACRES) = 99.00 PEAK FLOW RATE(CFS) = 288.38 TC(MIN) = 15.17 **************************************************************************** FLOW PROCESS FROM NODE 2.03 TO NODE 1.06 IS CODE = 5 | >> TRAPEZOIDAL-CHANNEL FLOW >>>>> TRAVELTIME THRU SUBAREA @� -----------===========--------- ----=-------==================------==== UPSTREAM NODE ELEVATION = 2840.00 DOWNSTREAM NODE ELEVATION = 2200.00 N� CHANNEL LENGTH THRU SUBAREA(FEET) = 3050.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 288.38 N� FLOW VELOCITY(FEET/SEC) = 12.48 FLOW DEPTH(FEET) = 3.54 - TRAVEL TIME(MIN.) 4 07 TC(MIN.) 19 ^ = ^ ^ = 19.24 ^ 11 ********************** ° N/ FLOW PROCESS FROM NODE 2.03 TO NODE 1.uo IS CODE = 8 ��7 -- --- - ------- --------- ----- ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< ========______===____=____==== ====================================== II 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.214 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 39.00 SUBAREA RUNOFF(CFS) = 93.17 L EFFECTIVE AREA(ACRES) = 138.00 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 138.00 I PEAK FLOW RATE(CFS) = 329.68 TC(MIN) = 19.24 I *********************************************************** **** **** ***** *** FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 _ I >> >>>DESIGNATE INDEPENDENT STREAM FOR CONFLUE< >> COMPUTE VARIOUS CONFLUENCED STREAM VALUES ____ --- ___ ___________________=====_________============ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: I TIME OF CONCENTRATION(MINUTES) = 19.24 RAINFALL INTENSITY (INCH./HOUR) = 3.21 EFFECTIVE STREAM AREA(ACRES) = 138.00 I TOTAL STREAM AREA(ACRES> = 138.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 329.68 CONFLUENCE INFORMATION: N� STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE �� NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 687.33 26.43 2.574 .55 377.80 0: 2 329.68 19.24 3.214 .56 138.00 11; RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE II NUMBER Q(CFS) AREA(ACRES� _ 1 937.45 515.80 2 988.59 413.02 N� COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: `� PEAK FLOW RATE(CFS) = 988.59 TIME(MINUTES) = 19.242 EFFECTIVE AREA(ACRES) = 413.02 I TOTAL AREA(ACRES) = 515.80 ************************************************************4************.- I FLOW PROCESS FROM NODE 1 TO NODE 1.07 IS CODE = 5 >>>>> -COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<< >>> >>TRAVELTIME THRU SUBAREA<<<<< II ______ __ ___ _ _____ __====____ _____________ UPSTREAM NODE ELEVATION = 2200.00 II DOWNSTREAM NODE ELEVATION = 1780.00 0I � CHANNEL LENGTH THRU SUBAREA(FEET) = 3600.00 � CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .050 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 988.59 i FLOW VELOCITY(FEET/SEC) = 17.98 FLOW DEPTH(FEET) = 4.14 TRAVEL TIME(MIN.) = 3.34 TC(MIN.) = 22.58 °I **************************************************************************° ° ` FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 r� I >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW , ____ _ _ _ _____===_____===========____ _____=======__ __ _========= ' 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.874 SOIL CLASSIFICATION IS "A^ �� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES> = 98.00 SUBAREA RUNOFF(CFS) = 181.15 EFFECTIVE AREA(ACRES) = 511.02 �� AVERAGED Fm(INCH/HR) = .606 TOTAL AREA(ACRES) = 613.80 PEAK FLOW RATE(CFS) = 1043.17 TC(MIN) = 22.58 �� I ***************************************************************************+ FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 E >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< - -------- - - =----- --=--------- ------- ----= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.874 SOIL CLASSIFICATION IS "B" L NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .5600 SUBAREA AREA(ACRES) = 263.30 SUBAREA RUNOFF(CFS) = 548.32 EFFECTIVE AREA(ACRES) = 774.32 AVERAGED Fm(INCH/HR) = .590 I TOTAL AREA(ACRES) = 877.10 PEAK FLOW RATE(CFS) = 1591.50 TC(MIN) = 22.58 II ***************************************************************************+ ' li FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW >> >>>TRAVELTIME THRU SUBAREA< �� _ _===____________ 0�� UPSTREAM NODE ELEVATION = 1780.00 DOWNSTREAM NODE ELEVATION = 1515.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 6400.00 E CHANNEL BASE(FEET) = 8.00 "2" FACTOR = 5.000 MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1591.50 I FLOW VELOCITY(FEET/SEC) = 13.50 FLOW DEPTH(FEET) = 4.12 TRAVEL TIME(MIN.) = 7.90 TC(MIN.) = 30.48 II ***************************************************************** FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW,'. m� - ----- =--- ------ ---- - -- -= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.329 SOIL CLASSIFICATION IS "A" I NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .8200 SUBAREA AREA(ACRES) = 417.00 SUBAREA RUNOFF(CFS) = 566.50 EFFECTIVE AREA(ACRES) = 1191.32 i AVERAGED Fm(INCH/HR) = .671 I TOTAL AREA(ACRES) = 1294.10 \ PEAK FLOW RATE(CFS) = 1778.59 TC(MIN) = 30.48 **************************************************************************** II FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 __ ______ >//>> *U1)111UN 6U8*HEA [U n*1NLJNE rL*r ILUd 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.329 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .56O0 SUBAREA AREA(ACRES) = 64.30 SUBAREA RUNOFF(CFS) = 102.40 EFFECTIVE AREA(ACRES) = 1255.62 AVERAGED Fm(INCH/HR) = .665 TOTAL AREA(ACRES) = 1358.40 w� PEAK FLOW RATE(CFS) = 1880.99 --- TC(MIN) = 3O. ~-.A- ����\<1 -�-\ c] --==--------- - -------============-------==---- ---- - N� END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 1358.40 EFFECTIVE AREA(ACRES) = 1255.62 N� PEAK FLOW RATE(CFS) = 1880.99 END OF RATIONAL METHOD ANALYSIS 11 � ___________ 0� ***************************************************** N� RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) I Ver. 4.1C Release Date: 5/11/87 Serial # 103071 Especially prepared for: RIVERTECH INC. ********** DESCRIPTION OF STUDY ***************** * RATIONAL METHOD (COMPUTATION OF LAG FOR WATERSHED 20) N� * EXISTING CONDITION * ******************************** N� FILE NAME: 100HR20.IN TIME/DATE OF STUDY: 15: 9 9/ 8/1987 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL*-- N� USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 N� *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .7000 USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.5000 N� ************************************* FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 ::....'RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< N� --- =------- ---=----- -=--- NATURAL AVERAGE COVER TC = K*E(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 900.00 UPSTREAM ELEVATION = 5500.00 DOWNSTREAM ELEVATION = 5280.00 N� ELEVATION DIFFERENCE = 220.00 TC = .706*[( 900.00** 3.00)/( 220.00)]** .20 = 14.219 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.110 N� SOIL CLASSIFICATION IS "D" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA RUNOFF(CFS) = 23.53 TOTAL AREA(ACRES) = 6.88 PEAK FLOW RATE(CFS) = 23.53 *************************** N� FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 :..'.COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>>>TRAVELTIME THRU SUBAREA<<< N� -----= --=======-------- --------========= - -- ---~ UPSTREAM NODE ELEVATION = 5280.00 DOWNSTREAM NODE ELEVATION = 5065.00 N� CHANNEL LENGTH THRU SUBAREA(FEET) = 1200.00 w� CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 ' ~ MANNINGS FHU[OR = .080 MHXlMUM DEPTH(FEET) = 2.oV CHANNEL FLOW THRU SUBAREA(CFS) = 23.53 / CHANNEL ~~ FLOW VELOCITY(FEET/SEC) = 6.38 FLOW DEPTH(FEET) = 1.48 TRAVEL TIME(MIN.) = 3.13 TC(MIN.) = 17.35 II ***************************************************************************° I FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << ======= I 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.575 SOIL CLASSIFICATION IS "D" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA AREA(ACRES) = 33.70 SUBAREA RUNOFF(CFS) = 99.01 I EFFECTIVE AREA(ACRES) = 40.58 AVERAGED Fm(INCH/HR) = .310 TOTAL AREA(ACRES) = 40.58 PEAK FLOW RATE(CFS) = 119.23 I TC(MIN) = 17.35 I ********************************************************* *** ***************- FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<<< I >>> >>TRAVELTIME THRU SUBAREA<<<<< __ ___________________________= UPSTREAM NODE ELEVATION = 5065.00 I DOWNSTREAM NODE ELEVATION = 4420.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1700.00 CHANNEL BASE(FEET) = 2.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 I CHANNEL FLOW THRU SUBAREA(CFS) = 119.23 FLOW VELOCITY(FEET/SEC) = 12.60 FLOW DEPTH(FEET) = 2.23 II TRAVEL TIME(MIN.) = 2.25 TC(MIN.) = 19.60 ***************************************************************************+ ii FLOW PROCESS FROM NODE 1.02 JO NODE 1.03 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< __===_ I! 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.282 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 I SUBAREA AREA(ACRES) = 6.30 EFFECTIVE AREA(ACRES) = 46.88 SUBAREA RUNOFF(CFS) = 15.44 AVERAGED Fm(INCH/HR) = .344 I TOTAL AREA(ACRES) = 46.88 PEAK FLOW RATE(CFS) = 123.99 TC(MIN) = 19.60 II *********************************************************************** * * * * FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 B� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< N� ____ _________ __ ________________________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.282 SOIL CLASSIFICATION IS "D" 1 NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA AREA(ACRES) = 30.60 SUBAREA RUNOFF(CFS) = 81 86 ^ ^ EFFECTIVE AREA(ACRES) = 77.48 I AVERAGED Fm(INCH/HR) = .330 TOTAL AREA(ACRES) = 77.48 ^ ~ 1 PEA FLOW RATE(CFS} = 205. � b N� K 8 TC(MIN) = 19 60 � ~ ' \}~ It ***************************************************************** N� FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 5 >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW N� >>>>> TRAVELTIME THRU SUBAREA ___=____ UPSTREAM NODE ELEVATION = 4420.00 DOWNSTREAM NODE ELEVATION = 3760.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2500.00 CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 5.00 N� CHANNEL FLOW THRU SUBAREA(CFS) = 205.85 �� FLOW VELOCITY(FEET/SEC) = 12.47 FLOW DEPTH(FEET) = 3.18 TRAVEL TIME(MIN.) = 3.34 TC(MIN.) = 22.94 1 *************************************************************************** FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 13 CODE = 8 N� - - ----- >>>> -ADDITION OF SUBAREA TO MAINLINE PEAK FLOW- <<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.940 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 99.80 SUBAREA RUNOFF(CFS) = 213.77 N� EFFECTIVE AREA(ACRES) = 177.28 AVERAGED Fm( INCH/HR) = .460 TOTAL AREA(ACRES) = 177.28 PEAK FLOW RATE(CFS) = 395.75 N� TC(MIN) = 22.94 *************************************************************************** m� FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINi_INE PEAK FLOW m� ---- --- --- - -- - ---= - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.940 SOIL CLASSIFICATION IS "D" N� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .3100 SUBAREA AREA(ACRES) = 33.70 SUBAREA RUNOFF(CFS) = 79.77 EFFECTIVE AREA(ACRES) = 210.98 AVERAGED Fm(INCH/HR) = .436 TOTAL AREA(ACRES) = 210.98 PEAK FLOW RATE(CFS) = 475.52 TC(MIN) = 22.94 ************************************************************************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 5 N� - ---- - --- - >>>> ,COMPUTE TRAPEZOIDAL FLOW <<< >>>>> TRAVELTIME THRU SUBAREA<<<<< N� ---------- -- -==- ----====- -----=======~ UPSTREAM NODE ELEVATION = 3760.00 DOWNSTREAM NODE ELEVATION = 3260.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 I CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) 8 ^ = 8.00 ^ CHANNEL FLOW THRU SUBAREA(CFS) = 475.52 N� FLOW VELOCITY(FEET/SEC) = 15.12 FLOW DEPTH(FEET) = 3.95 � �� TRAVEL TIME(MIN. ) = 2.20 TC(MIN.) = 25.15 . ~ ***************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 N� --- --- ---- - ----- -' N� >>>> 'ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< -======-====== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.757 8� SOIL CLASSIFICATION IS "B" m� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .5600 SUBAREA AREA(ACRES) = 132.60 SUBAREA RUNOFF(CFS) = 262.21 0� EFFECTIVE AREA(ACRES) = 343.58 ~~ AVERAGED Fm( INCH/HR) = .484 TOTAL AREA(ACRES) = 343.58 PEAK FLOW RATE(CFS) = 703.01 TC(MIN) = 25.15 ******** N� FLOW PROCESS FROM NODE 1.05 TO NODE 1.05 IS CODE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<< ==_______======_____ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 25.15 N� RAINFALL INTENSITY (INCH./HOUR) = 2.76 EFFECTIVE STREAM AREA(ACRES) = 343.58 TOTAL STREAM AREA(ACRES) = 343.58 PEAK FLOW RATE(CFS) AT CONFLUENCE = 703.01 *************************************************************************** FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 > >>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< NATURAL AVERAGE COVER TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 700.00 N� UPSTREAM ELEVATION = 5000.00 DOWNSTREAM ELEVATION = 4860.00 ELEVATION DIFFERENCE = 140.00 N� TC = .706*[( 700.00** 3.00)/( 140.00)]** .20 = 13.386 m� 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 4.287 SOIL CLASSIFICATION IS "D" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 B� SUBAREA RUNOFF(CFS) = 32.21 TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 32.21 *************************************************************************** FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 5 N� - ----- >> >>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>>> TRAVELTIME THRU SUBAREA<< ===______ __ _ _ N� UPSTREAM NODE ELEVATION = 4860.00 0� DOWNSTREAM NODE ELEVATION = 4760.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 32.21 FLOW VELOCITY(FEET/SEC) = 6.23 FLOW DEPTH(FEET) = 1.83 N� TRAVEL TIME(MIN.) = 1.87 TC(MIN.) = 15.26 �� N� ******************************************************* �� FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = B I: 14 ________ >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< I ======------- -------====--------====-------=== - ====__===== ^ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.912 SOIL CLASSIFICATION IS "D" I NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA AREA(ACRES) = 19.30 SUBAREA RUNOFF(CFS) = 62.56 EFFECTIVE AREA(ACRES) = 28.30 AVERAGED Fm(INCH/HR) = .310 II TOTAL AREA(ACRES) = 28.30 PEAK FLOW RATE(CFS) = 91.73 II TC(MIN) = 15.26 ************************************************************************ 1 FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 5 - - - - - >>>> , COMPUTE TRAPEZOIDAL-CHANNEL FLOW > >>>>TRAVELTIME THRU SUBAREA<<<<< I ==- ------=-----------= - - ----------- ======= UPSTREAM NODE ELEVATION = 4760.00 DOWNSTREAM NODE ELEVATION = 4200.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1100.00 I CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 91.73 I FLOW VELOClTY(FEET/SEC) = 13.11 FLOW DEPTH(FEET) = 1 .B3 TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 16.66 N� *************************************************************************** 1 2.03 IS CODE = 8 FLOW PROCESS FROM NODE 2 02 TO NODE 2 . . >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< Q� __ _ _ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.679 SOIL CLASSIFICATION IS "B" i N� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .5600 -- SUBAREA AREA(ACRES) = 7.10 SUBAREA RUNOFF(CFS) = 19.93 EFFECTIVE AREA(ACRES) = 35.40 I AVERAGED Fm( INCH/HR) = .360 TOTAL AREA(ACRES) = 35.40 PEAK FLOW RATE(CFS) = 105.73 -- TC(MIN) = 16.66 ***************************************************************************+ I FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 8 >>>>.ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< ----------- = 1 ___ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.679 SOIL CLASSIFICATION IS "D" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA AREA(ACRES) = 26.80 SUBAREA RUNOFF(CFS) = 81.25 I EFFECTIVE AREA(ACRES) = 62.20 AVERAGED Fm(INCH/HR) = .339 TOTAL AREA(ACRES) = 62.20 I PEAK FLOW RATE(CFS) = 186.98 TC(MIN) = 16.66 i 0 ************************************************************************* - ' -- ---_ _ , ~ F.LUW rhUchbb +KUM mUuL |u NUDE e.o+ lb LuuL = � N� - --------------- ---- ------ m� >>>>> CONFUTE TRAPEZOIDAL-CHANNEL FLOW <<<<< >>>>> TRAVELTIME THRU SUBAREA = + N� UPSTREAM NODE ELEVATION = 4200.00 DOWNSTREAM NODE ELEVATION = 3800.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 0� CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 186.98 FLOW VELOCITY(FEET/SEC) = 12.92 FLOW DEPTH(FEET) = 2.59 TRAVEL TIME(MIN.) = 1.68 TC(MIN.) = 18.33 *************************************************************************** FLOW PROCESS FROM NODE 2.03 TO NODE 2.04 IS CODE = 8 )>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< _ -------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.440 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 57.10 SUBAREA RUNOFF(CFS) = 147.98 EFFECTIVE AREA(ACRES) = 119.30 AVERAGED Fm(INCH/HR) = .445 N� TOTAL AREA(ACRES) = 119.30 ~� PEAK FLOW RATE(CFS) = 321.58 TC(MIN) = 18.33 *************************************************************************+ FLOW PROCESS FROM NODE 2.03 TO NODE 2.04 IS CODE = 8 N� ------- - --- - - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.440 SOIL CLASSIFICATION IS "D" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA AREA(ACRES) = 20.10 UBAREA RUNOFF(CFS) = 56.62 EFFECTIVE AREA(ACRES) = 139.40 AVERAGED Fm(INCH/HR) = .425 TOTAL AREA(ACRES) = 139.40 PEAK FLOW RATE(CFS) = 378.20 TC(MIN) = 18.33 N� ************************************************************************ 1.05 IS CODE = 5 FLOW PROCESS FROM NODE 2 04 TO NODE 1 . . , 'COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<< � m� >>>> >TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 3800.00 DOWNSTREAM NODE ELEVATION = 3260.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2500.00 CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 N� MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 ' ~~ CHANNEL FLOW THRU SUBAREA(CFS) = 378.20 FLOW VELOCITY(FEET/SEC) = 13.45 FLOW DEPTH(FEET) = 3.67 TRAVEL TIME(MIN.) = 3.10 TC(MIN.) = 21.43 ***************************************************************************+ N� FLOW PROCESS FROM NODE 2.04 TO NODE 1.05 IS CODE = 8 m� ---- ------- ------------- - ----- / ' - - ~ -----= ADDITION OF SUBAREA TO M*1NLINE PEAK FLOW, <�< I =========------=== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.083 1 � SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 II SUBAREA AREA(ACRES) = 109.80 SUBAREA RUNOFF(CFS) = 249.37 EFFECTIVE AREA(ACRES) = 249.20 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 249.20 ~~ PEAK FLOW RATE(CFS) = 582.88 TC(MIN) = 21.43 11 i **********************************Y-************************m****** II FLOW PROCESS FROM NODE 2.04 TO NODE 1.05 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW, <<<< ===== ___________== _ _ =_____ __ _____ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.083 II SOIL CLASSIFICATION IS "D" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA AREA(ACRES) = 5. SUBAREA RUNOFF(CFS) = 12.48 I EFFECTIVE AREA(ACRES) = 25 AVERAGED Fm(INCH/HR) = .481 ! TOTAL AREA(ACRES) = 254.20 PEAK FLOW RATE(CFS) = 595.36 II TC(MIN) = 21.43 C *************************************************************************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.05 IS CODE = 1 >>> >>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<< C >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<<< ---------------------- = E CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE TIME OF CONCENTRATION(MINUTES) = 21.43 RAINFALL INTENSITY (INCH./HOUR) = 3.08 EFFECTIVE STREAM AREA(ACRES) = 254.20 TOTAL STREAM AREA(ACRES) = 254.80 E PEAK FLOW RATE(CFS) AT CONFLUENCE = 595.36 CONFLUENCE INFORMATION: C STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) . _ 1 703.01 25.15 2.757 .48 343.58 II 2 595.36 21.43 3.083 .48 254.20 I RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE 11 NUMBER Q(CFS) AREA(ACRES) 1 1223.73 597.78 2 1280.56 547.04 N� COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: �� PEAK FLOW RATE(CFS) = 1280.56 TIME(MINUTES) = 21.433 EFFECTIVE AREA(ACRES) = 547.04 11 TOTAL AREA(ACRES) = 597.78 l FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 5 . - uumrU|t: |HH�b.-U1U*L-LHANmEL +Luw >>>>> TRAVELTIME THRU SUBAREA< ��)7 UPSTREAM NODE ELEVATION = 3260.00 DOWNSTREAM NODE ELEVATION = 2400.00 N� CHANNEL LENGTH THRU SUBAREA(FEET) = 3900.00 CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1280.56 FLOW VELOCITY(FEET/SEC) = 18.40 FLOW DEPTH(FEET) = 6.58 TRAVEL TIME(MIN.) = 3.53 TC(MIN.) = 24.96 ************************ ************* ************************************** * FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 8 0� - - - ------- >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.771 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 222.00 SUBAREA RUNOFF(CFS) = 441.79 EFFECTIVE AREA(ACRES) = 769.04 �� AVERAGED Fm(INCH/HR) = .505 TOTAL AREA(ACRES) = 819.78 PEAK FLOW RATE(CFS) = 1568.60 N� TC(MIN) = 24.96 E **************************************************************************** FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 >>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<<< w� ------ ------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION(MINUTES) = 24.96 C RAINFALL INTENSITY (INCH./HOUR) = 2.77 EFFECTIVE STREAM AREA(ACRES) = 769.04 TOTAL STREAM AREA(ACRES) = 819.78 PEAK FLOW RATE(CFS) AT CONFLUENC = 1568.60 **************************************************************************** FLOW PROCESS FROM NODE 3.00 TO NODE 3.01 IS CODE = 2 >> >>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS N� NATURAL AVERAGE COVER TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 N� INITIAL SUBAREA FLOW-LENGTH = 1050.00 1� UPSTREAM ELEVATION = 4520.00 DOWNSTREAM ELEVATION = 4240.00 ELEVATION DIFFERENCE = 280.00 TC = .706*[( 1050.00** 3.00)/( 280.00)]** .20 = 14.862 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.984 SOIL CLASSIFICATION IS "B` . N� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 17.57 TOTAL AREA(ACRES) = 5.70 PEAK FLOW RATE(CFS) = 17.57 **************************************************************************** FLOW PROCESS FROM NODE 3.01 TO NODE 3.02 IS CODE = 5 - - ---- > >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW ~ . >>>>> TRAVELTIME THRU SUBAREA I ===--==== UPSTREAM NODE ELEVATION = 4240.00 ��\ DOWNSTREAM NODE ELEVATION = 3560.00 �~' CHANNEL LENGTH THRU SUBAREA(FEET) = 1200.00 N� CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 2.O0 CHANNEL FLOW THRU SUBAREA(CFS) = 17.57 E FLOW VELOCITY(FEET/SEC) = 8.99 FLOW DEPTH(FEET) = .98 TRAVEL TIME(MIN.) = 2.22 TC(MIN.) = 17.09 **** -_I! *** FLOW PROCESS FROM NODE 3.01 TO NODE 3.02 IS CODE = 8 == _ �� - ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< N� ____=________ _ _ ----------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.614 SOIL CLASSIFICATION IS "B" I NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 14.20 SUBAREA RUNOFF(CFS) = 39.03 EFFECTIVE AREA(ACRES) = 19.90 I AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 19.90 PEAK FLOW RATE(CFS) = 54.69 TC(MIN) = 17.09 �*�� -J ************************ FLOW PROCESS FROM NODE 3.02 TO NODE 3.03 IS CODE = 5 L-,=== >>>> TRAPEZOIDAL-CHANNEL FLOW <<<<< >>>>> TRAVELTIME THRU SUBAREA<<<< II ===---- ---------- ------- - --- - - ------ . UPSTREAM NODE ELEVATION = 3560.00 DOWNSTREAM NODE ELEVATION = 3240.00 E CHANNEL LENGTH THRU SUBAREA(FEET) = 1100.00 CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) =7 54.69 I FLOW VELOCITY(FEET/SEC) = 9.42 FLOW DEPTH(FEET) = 1.61 TRAVEL TIME(MIN.) = 1.95 TC(MIN.) = 19.03 li ************************************************************************** FLOW PROCESS FROM NODE 3.02 TO NODE 3.03 IS CODE = 8 II >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< ===__ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.351 N� SOIL CLASSIFICATION IS "B" ~� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 42.80 SUBAREA RUNOFF(CFS) = 107.50 EFFECTIVE AREA(ACRES) = 62.70 I AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 62.70 II PEAK FLOW RATE(CFS) = 157.48 TC(MIN) = 19.03 x.*********************************************************************).**),.). N� FLOW PROCESS FROM NODE 3.03 TO NODE 1.06 IS CODE = 5 -___ I >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>> TRAVELTIME THRU SUBAREA <<<<< == ___ _______===________========================________________=_________===~ i . , , UPSTREAM NUDE ELEVATION = 32+0.00 N� DOWNSTREAM NODE ELEVATION = 2400'00 b\q �� CHANNEL LENGTH THRU SUBAREA(FEET) = 4200.00 �� ' ` CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 II CHANNEL FLOW THRU SUBAREA(CFS) = 157.48 ' FLOW VELOCITY(FEET/SEC) = 10.46 FLOW DEPTH(FEET) = 2.66 TRAVEL TIME(MIN.) = 6.69 TC(MIN.) = 25.73 4 11: FLOW PROCESS FROM NODE 3.03 TO NODE 1.06 IS CODE = 8 ----- - ---- ------- - ----------- >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << =========_____======= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.714 �� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 240.60 SUBAREA RUNOFF(CFS) = 466.32 j EFFECTIVE AREA(ACRES) = 303.30 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 303.30 I PEAK FLOW RATE(CFS) = 587.84 TC(MIN) = 25.73 Ni ******************************************************** FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 | - - - ---------- - I >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES< _______======_______ _ _ ______ ------- ___ ==== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: C TIME OF CONCENTRATION(MINUTES) = 25.73 RAINFALL INTENSITY ( INCH./HOUR) = 2.71 EFFECTIVE STREAM AREA(ACRES) = 303.30 � U TOTAL STREAM AREA(ACRES) = 303.30 �� ~ PEAK FLOW RATE(CFS) AT CONFLUENCE = 587.84 CONFLUENCE INFORMATION: 11; STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ' --------- II 1 1568.60 24.96 2.771 .50 769.04 2 587.84 25.73 8.714 .56 303.30 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO I CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE N� NUMBER Q(CFS) AREA(ACRES) -- 1 2154.32 1063.36 2 2116.52 1072.34 N� COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: �� PEAK FLOW RATE(CFS) = 2154.32 TIME(MINUTES) = 24 965 ^ ^ EFFECTIVE AREA(ACRES) = 1063.36 N� TOTAL AREA(ACRES) = 1123.08 �� ~~ ******************************************************** I FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 5 | >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW << >>>>>TRAVELTIME THRU SUBAREA<<< �� == ===__ _________=====_______====== | --_ _- _ - _ - - , UPSTREAM NUDE ELEVATION = 2,400.0o I DOWNSTREAM NODE ELEVATION = 1960 00 CHANNEL LENGTH THRU SUBAREA(FEET) ^ 4300.00 I5ZQ | CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .070 MAXIMUM DEPTH(FEET) = 9.00 D��\ CHANNEL FLOW THRU SUBAREA(CFS) = 2154.32 |SAN FLOW VELOCITY(FEET/SEC) = 17.40 FLOW DEPTH(FEET) = 8.53 Ar � TRAVEL TIME(MIN.) = 4.12 TC(MIN.) = 29.08 ^ l e�� ' * �s c ************************************************************************* FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 / m� ___ fr DES >>>>'ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<< YI _= ------ __ = N� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.490 — N� SOIL CLASSIFICATION IS "A" ^ '***. NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 26.80 SUBAREA RUNOFF(CFS) = 40.29 ^ II EFFECTIVE AREA(ACRES) = 1090.16 � ' AVERAGED Fm(INCH/HR) = .528 P TOTAL AREA(ACRES) = 1149.88 � PEAK FLOW RATE(CFS) = 2154.32 TC(MIN) = 29.08 E—OF �_ F * T�� ************************************************************************** E( FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 Z 4 >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< — ON 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.490 T SOIL CLASSIFICATION IS "B" N� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 138.00 SUBAREA RUNOFF(CFS) = 239.73 EFFECTIVE AREA(ACRES) = 1228.16 * AVERAGED Fm(INCH/HR) = .531 f TOTAL AREA(ACRES) = 1287.88 --_- ' PEAK FLOW RATE(CFS) = 2165.43 - T li TC(MIN) = 29.08 _..f-- _..f-- ����\�� 4� ^��� = END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 1287.88 ( T EFFECTIVE AREA(ACRES) = 1228.16 B PEAK FLOW RATE(CFS) = 2165.43 040 1 END OF RATIONAL METHOD ANALYSIS 1 ].0( S *************************************************************************** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.10 Release Date: 5/11/87 Serial # I01071 Especially prepared for: RIVERTECH INC. ************************** DESCRIPTION OF STUDY ************************** * RATIONAL METHOD (COMPUTATION OF LAG FOR WATERSHED 30 EXISTING CONDITION) N� * + ************************************************************************* FILE NAME: 100HR30.IN TIME/DATE OF STUDY: 15:12 9/ 8/1987 _______ __ _ __=_________ USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: __ --*TIME-OF-CONCENTRATION MODEL*-- " USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* } SLOPE OF INTENSITY DURATION CURVE = .7000 ( �� USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.2600 -- ************************************************************************+ FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 � - >>>>>RATIONAL METHOD INITIAL SUB�REA ANALYSIS <<<< __ ° NATURAL AVERAGE COVER TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** 20 �0 ^ ^ INITIAL SUBAREA FLOW-LENGTH = 800.00 } UPSTREAM ELEVATION = 2040.00 DOWNSTREAM ELEVATION = 1920.00 ELEVATION DIFFERENCE = 120.00 TC = .706*[( 800.00** 3.00)/( 120.00)]** .20 = 14.956 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.332 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA RUNOFF(CFS) = 11.76 TOTAL AREA(ACRES) = 5.20 PEAK FLOW RATE(CFS) = 11.76 ***************************************************************************+ FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 } ). TRAPEZOIDAL-CHANNEL FLOW<<<<< >>> >>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 1920 ^ O0 { 00 DOWNSTREAM NODE ELEVATION = 1B00 . CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 �� CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET/ = d.00 N� CHANNEL FLOW THRU SUBAREA(CFS) 11 76 t� = . 4 E, 22, FLOW VELOCITY(F �T/�E�)� �� 7. FLOW |EPTH(FEET) = cc o � = /. uw uc . 83 TRAVEL TIME(MIN.) = 2.15 TC(MIN.) = 17.10 ***************************** FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 N� --------------------- --- --- ---------------- ------ m� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW =======_____============== _____________==============______======__ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.033 N� SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 12.20 SUBAREA RUNOFF(CFS) = 24.30 N� EFFECTIVE AREA(ACRES) = 17.40 AVERAGED Fm(INCH/HR) = .820 TOTAL AREA(ACRES) = 17.40 PEAK FLOW RATE(CFS) = 34.66 TC(MIN) = 17.10 ********************************************* FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<< I >>>>> TRAVELTIME THRU SUBAREA<<<<< ============_ UPSTREAM NODE ELEVATION = 1800.00 DOWNSTREAM NODE ELEVATION = 1640.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 34.66 FLOW VELOCITY(FEET/SEC) = 8.68 FLOW DEPTH = 1.23 TRAVEL TIME(MIN.) = 3.84 TC(MIN.) = 20.94 ***** ****** * * * * ** ************** FLOW PROCESS FROM NODE 1.02i0 02 - O NODE 1.03 IS CODE = 8 >> >>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< ------- ________________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.632 N� SOIL CLASSIFICATION IS ^A^ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 80.80 SUBAREA RUNOFF(CFS) = 131.80 EFFECTIVE AREA(ACRES) = 98 . 20 AVERAGED Fm(INCH/HR) = .820 TOTAL AREA(ACRES) = 98.20 N� PEAK FLOW RATE(CFS) = 160.19 m� TC(MIN) = 20.94 ************ ~~ FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 ' - - - --' 11 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< • 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.632 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 4.85 SUBAREA AREA(ACRES} = 2 60 SUBAREA RUNOFF(CFS) = 4 ^ ^ EFFECTIVE AREA(ACRES) = 100.80 AVERAGED Fm(INCH/HR) = .813 I TOTAL AREA(ACRES) = 100.80 �sto pEHK hLUW K*lL(LI-b) N� 1C(MIN) = 20.94 I ******************************************************************** FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 5 > >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW< I >>>>> TRAVELTIME THRU SUBAREA<< UPSTREAM NODE ELEVATION = 1640.00 DOWNSTREAM NODE ELEVATION = 1510.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 4250.00 CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 6.00 N� CHANNEL FLOW THRU SUBAREA(CFS) = 165.04 FLOW VELOCITY(FEET/SEC) = 8.85 FLOW DEPTH(FEET) = 3.43 TRAVEL TIME(MIN.) = 8.01 TC(MIN.) = 28.95 ********************************************************************** FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 N� ----- - -- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW __________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.099 N� SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 110.00 SUBAREA RUNOFF(CFS) = 126.58 I EFFECTIVE AREA(ACRES) = 210.80 AVERAGED Fm(INCH/HR) = .817 TOTAL AREA(ACRES) = 210.80 PEAK FLOW RATE(CFS) = 243.18 111 TC(MIN) = 28.95 ****************************************** �� FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAIN INE PEAK FLOW<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.099 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 66.00 SUBAREA RUNOFF(CFS) = 91.39 EFFECTIVE AREA(ACRES) = 276.80 AVERAGED Fm(INCH/HR) = .756 N� TOTAL AREA(ACRES) = 276.80 PEAK FLOW RATE(CFS) = 334.58 TC(MIN) = �= END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 276.80 EFFECTIVE AREA(ACRES) = 276.80 N� PEAK FLOW RATE(CFS) = 334.58 END OF RATIONAL METHOD ANALYSIS / . �� �� ****** N� RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) I Copyright 1983,86,87 Advnced Enginrng Softwre (s) Ver. 4.1C Release Date: 5/11/87 Serial # I01071 Especially prepared for RIVERTECH INC. ******* DESCRIPTION OF STUDY ************************** * RATIONAL METHOD (COMPUTATION OF LAG FOR WATERSHED 40 EXISTING CONDITION) ************************************************************************ FILE NAME: 100HR40.IN TIME/DATE OF STUDY: 15:14 9/ 8/1987 IR USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL*-- 0: USER SPECIFIED STORM EVENT(YEAR) = 100.00 ) SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .7000 USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.3500 ~~ *************************************************************************** FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 �� >>>>> RATIONAL METHOD INITIAL SUB�REA ANALYSIS' ~ N� - - --- NATURAL AVERAGE COVER TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 600.00 UPSTREAM ELEVATION = 4080.00 DOWNSTREAM ELEVATION = 3800.00 N� ELEVATION DIFFERENCE = 280.00 TC = .706*[( 600.00** 3.00)/( 280.00)]** .20 = 10.623 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.536 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 19.32 I/ TOTAL AREA(ACRES) = 5.40 PEAK FLOW RATE(CFS) = 19.32 *************************************************************************** 0� FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 >>>> :COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>> >TRAVELTIME THRU SUBAREA< ==-------=-------------=-------------=====------ UPSTREAM NODE ELEVATION = 3800.00 DOWNSTREAM NODE ELEVATION = 3400.00 0� CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 i� � ~~ CHANNEL BASE(FEET) = 1 .00 "Z" FACTOR = 1 .000 ' MHNmiMbb hHLIUM = �.VuV M31nUM �EPIH<FE��[) o . � � .o * �� H CHANNEL FLOW THRU SUBAREA(CFS) = 19.32 � q� FLOW VELOCITY(FEET/SEC) 8.26 FLOW DEPTH(FEET) = 1.11 1 ��`� -- TRAVEL TIME(MIN.) = 2.02 TC(MIN.) = 12.64 =II *************************************************************************** FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 II | r >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.016 N� SOIL CLASSIFICATION IS "B" f NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 18.10 SUBAREA RUNOFF(CFS) = 56.29 EFFECTIVE AREA(ACRES) = 23.50 AVERAGED Fm(INCH/HR) = .560 *+ TOTAL AREA(ACRES) = 23.50 PEAK FLOW RATE(CFS) = 73.09 Ai TC(MIN) = 12.64 ! ` ' ==�U ** ************************************************************ �� FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 5 ,,, -=COMPUTE TRAPEZOIDAL-CHANNEL FLOW< �� >>>>>TRAVELTIME THRU SUBAREA<<<<< | t" ---- - - . UPSTREAM NODE ELEVATION = 3400.00 DOWNSTREAM NODE ELEVATION = 3000.00 | . CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 | CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 *11; MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 73.O9 F FLOW VELOCITY(FEET/SEC) = 11.28 FLOW DEPTH(FEET) = 1.73 L- TRAVEL TIME(MIN.) = 1.48 TC(MIN.) = 14.12 �� := ***************************************************************************- I: FLOW PROCESS FROM NODE 1.02 JO NODE 1.03 IS CODE = 8 S >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< _ __= �� 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.717 �� SOIL CLASSIFICATION IS "B" | P NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 41.30 SUBAREA RUNOFF(CFS) = 117.34 I EFFECTIVE AREA(ACRES) = 64.80 ! AVERAGED Fm(INCH/HR) = .560 i * TOTAL AREA(ACRES) = 64.80 Al PEAK FLOW RATE(CFS) = 184.11 � TC(MIN) = 14.12 > I **************************************************************************** | 0 FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 5 11 )..›-COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< C >>>>>TRAVELTIME THRU SUBAREA<<<<< | M/ UPSTREAM NODE ELEVATION = 3000.00 I DOWNSTREAM NODE ELEVATION = 2720.00 T/ CHANNEL LENGTH THRU SUBAREA(FEET) = 1600 0O { ^ CHANNEL BASE(FEET) = 2.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 | � CHANNEL FLOW THRU SUBAREA(CFS) = 184.11 ' ~ l | +LUW VELULI/v(hEL//bhi...) = lo.++ +Luw uEp|H\+hh|/ = a.� TRAVEL TIME(MIN.) = 2.55 TC(MIN.) = 16.67 �� J6 7l` ****************************** II FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< gi << _====�====_____=�===� �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.309 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 . SUBAREA AREA(ACRES) = 38 SUBAREA RUNOFF(CFS) = 9 74 �� EFFECTIVE AREA(ACRES} = 103.10 103 . AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 103.10 I PEAK FLOW RATE(CFS) = 255.04 TC(MIN) = 16.67 li ************************************************* FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 5 �� �� >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW< > >>>>TRAVELTIME THRU SUBAREA ____ _ ____________ li UPSTREAM NODE ELEVATION = 2720.00 DOWNSTREAM NODE ELEVATION = 2520.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 CHANNEL BASE(FEET) = 3.00 "2" FACTOR = 1.000 II MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 1 CHANNEL FLOW THRU SUBAREA(CFS) = 255.04 FLOW VELOCITY(FEET/SEC) = 10.74 FLOW DEPTH(FEET) = 3.60 E | TRAVEL TIME(MIN.) = 2.02 TC(MIN.) = 18.69 ************** ***** **** **************************************************** I FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 >> >>>ADDITION OF SUBAREA TO MAI PEAK FLOW<<<<< I 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.054 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 I SUBAREA AREA(ACRES) = 27.50 SUBAREA RUNOFF(CFS) = 61.74 } ^ i EFFECTIVE AREA(ACRES) = 130.60 AVERAGED Fm(INCH/HR) = .560 I TOTAL AREA(ACRES) = 130.60 PEAK FLOW RATE(CFS) = 293.20 TC(MIN) = 18.69 ! ~1 *************************************************************************** I FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 5 >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW i >>>>>TRAVELTIME THRU SUBAREA<< 1 UPSTREAM NODE ELEVATION = 2520.00 \ / ^ DOWNSTREAM NODE ELEVATION = 2430 00 CHANNEL LENGTH THRU SUBAREA(FEET) = 600.00 CHANNEL BASE(FEET) = 3.00 "2" FACTOR = 1.000 �� MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6 00 . . CHANNEL FLOW THRU SUBAREA(CFS) = 293.20 FLOW VELOCITY(FEET/SEC) = 11.09 FLOW DEPTH(FEET) = 3.86 I TRAVEL TIME(MIN.) = .90 TC(MIN.) = 19.59 . ` ********************************************************************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = __________ N� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.955 SOIL CLASSIFICATION IS "B" N� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 21.40 SUBAREA RUNOFF(CFS) = 46.13 EFFECTIVE AREA(ACRES) = 152.00 AVERAGED Fm(INCH/HR) = .560 ~� TOTAL AREA(ACRES) = 152.00 PEAK FLOW RATE(CFS) = 327.68 TC(MIN) = 19.59 ****************************************************** FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 >>>> -DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ______________ -------- ______________=___ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION(MINUTES) = 19.59 RAINFALL INTENSITY (INCH./HOUR) = 2.96 �� EFFECTIVE STREAM AREA(ACRES) = 152.00 TOTAL STREAM AREA(ACRES) = 152.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 327.68 *************************************************************************** FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 >>>>> RATIONAL METHOD INITIAL SUBAREA ANALYSIS 11 ; NATURAL AVERAGE COVER TC = K*E(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 �� ~ INITIAL SUBAREA FLOW-LENGTH = �0O.0O UPSTREAM ELEVATION = 393O . 00 �� DOWNSTREAM ELEVATION = 3400.00 ELEVATION DIFFERENCE = 530.00 TC = .706*[( 800.00** 3.00)/( 530.00)]** .20 = 11.112 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.395 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 0� SUBAREA RUNOFF(CFS) = 18.98 TOTAL AREA(ACRES) = 5.50 PEAK FLOW RATE(CFS) = 18.98 11 **************************************************************************** FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 5 >> TRAPEZOIDAL-CHANNEL FLOW >>> >>TRAVELTIME THRU SUBAREA ____===== UPSTREAM NODE ELEVATION = 3400.00 DOWNSTREAM NODE ELEVATION = 3040.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1100.00 CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 18.98 FLOW VELOCITY(FEET/SEC) = 7.46 FLOW DEPTH(FEET) = 1.17 �� �� TRAVEL TIME(MIN.) = 2.46 TC(MIN.) = 13.57 ° ** ***************************************************** ******************** N� FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = B p)I8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.821 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 @� SUBAREA AREA(ACRES) = 19.10 SUBAREA RUNOFF(CFS) = 56.06 EFFECTIVE AREA(ACRES) = 24.60 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 24.60 PEAK FLOW RATE(CFS) = 72.21 TC(MIN) = 13.57 I; ***************************************** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 18 CODE = 5 >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>>> TRAVELTIME THRU SUBAREA <<<<< UPSTREAM NODE ELEVATION = 3040.00 DOWNSTREAM NODE ELEVATION = 2720.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1400.00 C CHANNEL BASE(FEET) = 2.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 72.21 FLOW VELOCITY(FEET/SEC) = 9.13 FLOW DEPTH(FEET) = 1.98 3� ~� TRAVEL TIME(MIN.) = 2.55 TC(MIN.) = 16.13 11 ********************* FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.387 �� SOIL CLASSIFICATION IS "B" ; �� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 47.40 SUBAREA RUNOFF(CFS) = 120.59 EFFECTIVE AREA(ACRES) = 72.00 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 72.00 PEAK FLOW RATE(CFS) = 183.18 TC(MIN) = 16.13 . -- ************************************************************************** FLOW PROCESS FROM NODE 2.03 TO NODE 1.06 IS CODE = 5 >>> >>COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<< >>>>> TRAVELTIME THRU SUBAREA ~� 0O UPSTREAM NODE ELEVATION = 2720 . DOWNSTREAM NODE ELEVATION = 2430.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1900.00 U� CHANNEL BASE(FEET) = 2.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 183.18 I FLOW VELOCITY(FEET/SEC) = 9.87 FLOW DEPTH(FEET) = 3.42 TRAVEL TIME(MIN.) = 3.21 TC(MIN.) = 19.33 . . ********************************************* _ .. � h_U4 pi-,ULLoo hr\uN NUuL c:.0.3 /u nuulz l.00 I. t....117 = a I >>>>> ADDITION OF SUBAREA TO MAINLIHE PEAK FLOW <<<<< t' 2-9 ========_______======_____=================_____ __===========__________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.983 SOIL CLASSIFICATION IS "B" m� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR> = .5600 SUBAREA AREA(ACRES) = 46.90 SUBAREA RUNOFF(CFS) = 102.27 I EFFECTIVE AREA(ACRES) = 118.90 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 118.90 PEAK FLOW RATE(CFS) = 259.27 I TC(MIN) = 19.33 ****** N� FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE N� >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES m� ____ _ __________ _ ___ _ ______________====== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 19.33 11 RAINFALL INTENSITY (INCH./HOUR) = 2.98 EFFECTIVE STREAM AREA(ACRES) = 118.90 TOTAL STREAM AREA(ACRES) = 118.90 I PEAK FLOW RATE(CFS) AT CONFLUENCE = 259.27 CONFLUENCE INFORMATION: I STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) II | ---- - - 1 327.68 19.59 2.955 .56 152.00 2 259.27 19.33 2.983 .56 118.90 �� RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO II CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) I � 1 584.01 270 90 ^ 2 586.36 268.90 I COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 536.36 TIME(MINUTES) = 19.332 EFFECTIVE AREA(ACRES) = 268.90 II TOTAL AREA(ACRES) = 270.90 *************************************************************************** II FLOW PROCESS FROM NODE 1 .06 TO NODE 1.07 IS CODE = 5 i >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW, <<< >>>>>TRAVELTlME THRU SUBAREA„‹., I UPSTREAM NODE ELEVATION = 2430.00 DOWNSTREAM NODE ELEVATION = 2000.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3200.00 0� CHANNEL BASE(FEET) = 4.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 586.36 I FLOW VELOCITY(FEET/SEC) = 12.60 FLOW DEPTH(FEET) = 5.11 TRAVEL TIME(MIN.) = 4.23 TC(MIN.) = 23.57 11 ** _ ' __ _ _ '_ __ ____ _ I FLUW PRULEbo �KuM NUDt z.00 |U wL�� z.o7 1� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.597 �� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 104.30 SUBAREA RUNOFF(CFS) = 191.20 N� EFFECTIVE AREA(ACRES) = 373.20 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 375.20 PEAK FLOW RATE(CFS) = 684.12 �� TC(MIN) = 23.57 *********************************************************** FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 5 > >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW N� >>>> >TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 2000.00 DOWNSTREAM NODE ELEVATION = 1760.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2600.00 CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .060 MAXIMUM DEPTH(FEET) = 8.00 �� CHANNEL FLOW THRU SUBAREA(CFS) = 684.12 FLOW VELOCITY(FEET/SEC) = 14.14 FLOW DEPTH(FEET) = 4.89 TRAVEL TIME(MIN.) = 3.06 TC(MIN.) = 26.63 ************************************************************* FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 w� - --- > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW === _= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.384 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 122.40 ^GUBAREA RUNOFF(CFS) = 200.92 EFFECTIVE AREA(ACRES) = 495.60 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 497.60 0� PEAK FLOW RATE(CFS) = 813.52 i� TC(MIN) = 26.63 N/ ****************************** FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 0� >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.384 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 7.30 SUBAREA RUNOFF(CFS) = 10.27 EFFECTIVE AREA(ACRES) = 502.90 AVERAGED Fm(INCH/HR) = .564 TOTAL AREA(ACRES) = 504.90 PEAK FLOW RATE(CFS) = 823.79 TC(MIN) = 26.63 **************************************** FLOW PROCESS FROM NODE 1.08 TO NODE 1.09 IS CODE = 5 . - -- --'-_---- - '_ _- C0qFU|E TMHHL2U1DAL-LMHmNL.L r-Luw >>>>> TRAVELTIME THRU SUBAREA UPSTREAM NODE ELEVATION = 1760.00 DOWNSTREAM NODE ELEVATION = 1640.00 0� CHANNEL LENGTH THRU SUBAREA(FEET) = 2200.00 CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 1.000 I MANNINGS FACTOR = .O40 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 823.79 FLOW VELOCITY(FEET/SEC) = 16.37 FLOW DEPTH(FEET) = 4.70 TRAVEL TIME(MIN.) = 2.24 TC(MIN.) = 28.87 *************************************************************************+ FLOW PROCESS FROM NODE 1.08 TO NODE 1.09 IS CODE = 8 m� ' OF SUBAREA TO MAINLINE PEAK FLOW„ 11 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.253 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = ^ 5600 SUBAREA AREA(ACRES) = 272.50 SUBAREA RUNOFF(CFS) = 415.16 EFFECTIVE AREA(ACRES) = 775.40 N� AVERAGED Fm( INCH/HR) = .562 TOTAL AREA(ACRES) = 777.40 PEAK FLOW RATE(CFS) = 1179.63 TC(MIN) = 28.87 ** **************************************************************** * ** ******* FLOW PROCESS FROM NODE 1.08 TO NODE 1.09 IS CODE = 8 /- ',ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ==______= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.253 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 66.80 SUBAREA RUNOFF(CFS) = 86.14 EFFECTIVE AREA(ACRES) = 842.20 AVERAGED Fm(INCH/HR) = .583 / TOTAL AREA(ACRES) = 844.20 PEAK FLOW RATE(CFS) = 1265.77 TC(MIN) = 28.87 ************************************************************************ FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 IS CODE = 5 >>>> 'COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>> TRAVELTIME THRU SUBAREA<<<<< I UPSTREAM NODE ELEVATION = 1640.00 DOWNSTREAM NODE ELEVATION = 1600.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1500.00 CHANNEL BASE(FEET) = 6.00 "2" FACTOR = 1.000 ' - MANNINGS FACTOR .040 MAXIMUM DEPTH(FEET) = 10 = . 10.00 . CHANNEL FLOW THRU SUBAREA(CFS) = 1265.77 N� FLOW VELOCITY(FEET/SEC) = 13.99 FLOW DEPTH(FEET) = 6.97 ~� TRAVEL TIME(MIN.) = 1.79 TC(MIN.) = 30.66 N� *************************************************************************** �m FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< ' , � I 10O yEAR R*iNFHLL IN7ENS1fv(iN�H/HuUH) SOIL CLSSIFICATION IS " NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 184.00 SUBAREA RUNOFF(CFS) = 221.92 �� EFFECTIVE AREA(ACRES) = 1026.20 �� ~- AVERAGED Fm(INCH/HR) = .625 TOTAL AREA(ACRES) = 1028.20 PEAK FLOW RATE(CFS) = 1417.41 I TC(MIN) = 30.66 **************.********1.f A- �� FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< I __ __ __ ===. 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 2.160 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 I SUBAREA AREA(ACRES) = 82.90 SUBAREA RUNOFF(CFS) = 119.38 EFFECTIVE AREA(ACRES) = 1109.10 AVERAGED Fm(INCH/HR) = .621 TOTAL AREA(ACRES) = 1111.10 �� PEAK FLOW RATE(CFS) = 1536.79 _TO ( MIN ) = 30.66 ...4- x\... �� , ^& n I END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 1111.10 EFFECTIVE AREA(ACRES) = 1109.10 C PEAK FLOW RATE(CFS) = 1536.79 ===____ _____===_ ___=____ ____ ___==_______ | END OF RATIONAL METHOD ANALYSIS -- 1 1 � x ~~ li �� �� II _ - II II 11 ) ! ~ ~ ! -~ __________ ______________ ___ _ ___ _ I RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE | (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) I Ver. 4. 1C Release Date: 5/11/87 Serial # 101071 ! Especially prepared for: I RIVERTECH INC. ************************** DESCRIPTION OF STUDY ************* * RATIONAL METHOD (COMPUTATION OF LAG FOR WATERSHED 50 EXISTING CONDITION) * I * * * * *** *** ************** * *** * ******* �� m� FILE NAME: 100HR50.IN TIME/DATE OF STUDY: 15:16 9/ 8/1987 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: m� --*TIME-OF-CONCENTRATION MODEL*-- " USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 I *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .7000 II USER SPECIFIED 1-HOUR INTENSITY( INCH/HOUR) = 1 .40O0 **************************************************************************** �� FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 11 >>>>>RATIONAL METHOD INITIAL SUBOREA ANALYSIS<<<<< = __ _ _______________ _ _ NATURAL AVERAGE COVER TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 �� INITIAL SUBAREA FLOW-LENGTH = 850.00 UPSTREAM ELEVATION = 3690.00 DOWNSTREAM ELEVATION = 3200.00 I ELEVATION DIFFERENCE = 490.00 TC = .706*[( 850.00** 3.00)/( 490.00)7** .20 = 11.706 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.395 I SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 23.81 TOTAL AREA(ACRES) = 6.90 PEAK FLOW RATE(CFS) = 23.81 II ************************************************************************.m**-. I FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 ---- ..-'..COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>> >>TRAVELTIME THRU SUBAREA<<< N� =- --- - - -- ------------- UPSTREAM NODE ELEVATION = 3200.00 DOWNSTREAM NODE ELEVATION = 2960.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 900.00 �� CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTM(FEE[) = .00 CHANNEL FLOW THRU SUBAREA(CFS) = 23. �� /1 FLOW VELOCITY(FEET/SEC) = 7.43 FLOW DEPTH(FEET) = 1.36 � t TRAVEL TIME(MIN.) = 2.02 TC(MIN.) = 13.73 1 1: ************************************** FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< _____== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.931 �� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 27.50 SUBAREA RUNOFF(CFS) = 83.44 EFFECTIVE AREA(ACRES) = 34.40 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 34.40 PEAK FLOW RATE(CFS) = 104.38 �� TC(MIN) = 13.73 MR " � *********************************************************** FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 5 >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<< N� >>>> >TRAVELTIME THRU SUBAREA' << = ~ UPSTREAM NODE ELEVATION = 2960.00 DOWNSTREAM NODE ELEVATION = 2440 . 00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2100.00 CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 5.00 �� CHANNEL FLOW THRU SUBAREA(CFS) = 104.38 FLOW VELOCITY(FEET/SEC) = 10.39 FLOW DEPTH(FEET) = 2.32 1; TRAVEL TIME(MIN.) = 3.37 TC(MIN.) = 17.10 *************************** FLOW PROCESS FROM NODE 1.02 / TO NODE 1.03 IS CODE = 8 w: >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW < < <<< ---- _________________ _= � � 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.371 _~ SOIL CLASSIFICATION IS "B" . NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 67.30 SUBAREA RUNOFF(CFS) = 170.28 N� EFFECTIVE AREA(ACRES) = 101.70 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 101.70 0� PEAK FLOW RATE(CFS) = 257.32 m� TC(MIN) = 17.10 1 ******************** FLOW PROCESS FROM NODE 1.03 TO NODE 1.03 IS CODE = 1 N� DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE-„ �� ___ ___ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION(MINUTES) = 17.10 N� RAINFALL INTENSITY (INCH./HOUR) = 3.37 - EFFECTIVE STREAM AREA(ACRES) = 101.70 TOTAL STREAM AREA(ACRES) = 101.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 257.32 ' ^ **************************************************************************+ N� FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 >>>>> RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< _____=_____ NATURAL AVERAGE COVER N� TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 900.00 UPSTREAM ELEVATION = 2880.00 DOWNSTREAM ELEVATION = 2750.0O ELEVATION DIFFERENCE = 130.00 TC = 706*[( 900 00** 3 00>/( 130 O0)]** 20 = 15 797 ^ ^ ^ ^ ^ ^ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.563 0� SOIL CLASSIFICATION IS "B" 1� - NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 22.70 TOTAL AREA(ACRES) = 8.40 PEAK FLOW RATE(CFS) = 22.70 . -- ************************************************************ �� �� FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 5 >>> >>COMPUTE TRAPEZOIDAL-CHANNEL FLOW„' 1: >>>> >TRAVELTIME THRU SUBAREA UPSTREAM NODE ELEVATION = 2750 ^ O0 DOWNSTREAM NODE ELEVATION = 2670.00 L CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 22.70 N� FLOW VELOCITY(FEET/SEC) = 5.41 FLOW DEPTH(FEET) = 1.61 TRAVEL TIME(MIN.) = 2 00 TC(MIN.) = 17 80 . . . . I; ************************ FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 8 '� >> >>>ADDITION OF SUBAREA TO MAIm�INE PEAK FLOW< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.277 0� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 24.50 SUBAREA RUNOFF(CFS) = 59.92 EFFECTIVE AREA(ACRES) = 32.90 I AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 32.90 PEAK FLOW RATE(CFS) = 80.46 N� TC(MIN) = 17.80 ***************************************************************************. FLOW PROCESS FROM NODE 2.02 TO NODE 1.03 IS CODE = 5 >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< N� >>>>> TRAVELTIME THRU SUBAREA; UPSTREAM NODE ELEVATION = 2670.00 DOWNSTREAM NODE ELEVATION = 2440.00 N� CHANNEL LENGTH THRU SUBAREA(FEET) = 1500.00 CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 I CHANNEL FLOW THRU SUBAREA(CFS) = 80.46 FLOW VELOCITY(FEET/SEC) = 7.99 FLOW DEPTH(FEET) = 2.33 _ ` ` II rRAVEL TlNE:N1N.) = a.za |L.MLn./ = eV.-9u ************************** F PROCESS FROM NODE 2.02 TO NODE 1.03 IS CODE = 8 P12 - >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< <<<----- - --- =- 0� ^ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2 926 �� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 5600 SUBAREA AREA(ACRES) = 104.80 SUBAREA RUNOFF(CFS) = 223.17 ^ 0� EFFECTIVE AREA(ACRES) = 137.70 ^ AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 137.70 I PEAK . FLOW RATE(CFS) = 293 22 TC(MIN) = 20.93 NI ******************************************************************** FLOW PROCESS FROM NODE 1.03 TO NODE 1.03 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE m� > COMPUTE VARIOUS CONFLUENCED STREAM VALUES _ __ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE N� TIME OF CONCENTRATION(MINUTES) = 20.93 RAINFALL INTENSITY (INCH./HOUR) = 2.93 EFFECTIVE STREAM AREA(ACRES) = 137.70 TOTAL STREAM AREA(ACRES) = 137.70 II PEAK FLOW RATE(CFS) AT CONFLUENCE = 293.22 CONFLUENCE INFORMATION: I STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 0� 1 257.32 17.10 3.371 .56 101.70 m� 2 293.22 20.93 2.926 .56 137.70 RAINFALL INTENSITY AND TIME OF RATION RATIO �� CONFLUENCE FORMULA USED FOR 2 �TREAMS. - SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE I: NUMBER Q(CFS) AREA(ACRES) 1 541.90 214.17 2 509.79 239.40 I COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 541.90 TIME(MINUTES) = 17.097 EFFECTIVE AREA(ACRES) = 214.17 II TOTAL AREA(ACRES) = 239.40 ************************************************** I FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 5 >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<< II >>>>>TRAVELTIME THRU SUBAREA<< =-------======-------- UPSTREAM NODE ELEVATION = 2440.00 DOWNSTREAM NODE ELEVATION = 2240.00 NI CHANNEL LENGTH THRU SUBAREA(FEET) = 1900.00 ~ CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 541.90 I FLOW VELOCITY(FEET/SEC) = 11.28 FLOW DEPTH(FEET) = 5.21 TRAVEL TIME(MIN.) = = lY.Vo ************************************************ FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 ______- >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< ==============_____ - _======_____=== _____==______===================______=~ N� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.031 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 114.00 SUBAREA RUNOFF(CFS) = 253.51 N� EFFECTIVE AREA(ACRES) = 328.17 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 353.40 N� PEAK FLOW RATE(CFS) = 729.78 TC(MIN) = 19.90 *** * * ********************************************************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>>> TRAVELTIME THRU SUBAREA <<<< =__________ UPSTREAM NODE ELEVATION = 2240.00 DOWNSTREAM NODE ELEVATION = 1940.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2500.00 CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 N� MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 729 ^ 78 FLOW VELOCITY(FEET/SEC) = 12.75 FLOW DEPTH(FEET) = 5.82 TRAVEL TIME(MIN.) = 3.27 TC(MIN.) = 23.17 ************************************* FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< �� N� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.725 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 |� 01 SUBAREA AREA(ACRES) = ;( -: ) ,.77 .6 SUBAREA RUNOFF(CFS) = 13. EFFECTIVE AREA(ACRES) = AVERAGED Fm(INCH/HR) = .566 TOTAL AREA(ACRES) = 361.00 N� PEAK FLOW RATE(CFS) = 729.78 TC(MIN) = 23.17 *************************************************************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 11 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW | - ---===== --- ---------- - - - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.725 SOIL CLASSIFICATION IS "B" m� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 70.40 SUBAREA RUNOFF(CFS) = 137.17 EFFECTIVE AREA(ACRES) = 406.17 I AVERAGED Fm(INCH/HR) = .565 } TOTAL AREA(ACRES) = 431.40 PEAK FLOW RATE(CFS) = 789.65 TC(MIN) = 23.17 . _ _ ` END OF STUDY SUMMARY: I TOTAL AREA(ACRES) = 431.40 EFFECTIVE AREA(ACRES) = 406.17 ������ - - PEAK FLOW RATE(CFS) = 789.65 0I END OF RATIONAL METHOD ANALYSIS II II II II ri II II li 1; E �� �� i 1 ~~ 1 | - ~ � *************************************************** 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 # 101071 Especially prepared for: 11 RIVERTECH INC. ************************** DESCRIPTION OF STUDY *************************. � * RATIONAL METHOD(COMPUTATION OF LAG FOR WATERSHED 60 EXISTING CONDITION) N� * ************************************************************************** FILE NAME: 100HR60.IN ) TIME/DATE OF STUDY: 15:19 9/ 8/1987 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL*-- USER SPECIFIED STORM EVENT(YEAR) = 100.00 -` SPECIFIED MINIMUM PIPE SIZE( INCH) = 24.00 �� SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 N� *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .7000 USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.3100 ******* * * * * *** ** * ** ********** ********************************************** w� FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 >>> >>RATIONAL METHOD INITIAL EA ANALYSIS _=______ ~~ NATURAL AVERAGE COVER TC = K*E(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 2760.00 DOWNSTREAM ELEVATION = 2540.00 �� ELEVATION DIFFERENCE = 220.00 TC = .706*C( 1000.00** 3.O0)/( 220.00)]** .20 = 15.147 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.434 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 15.78 TOTAL AREA(ACRES) = 6.10 PEAK FLOW RATE(CFS) = 15.78 11 *************************************************************************** ! II i �� N� FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 > >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW< 11 >>/>>TRAVELTIME THRU SUBAREA<< __ UPSTREAM NODE ELEVATION = 2540.00 DOWNSTREAM NODE ELEVATION = 2320.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1200.00 CHANNEL BASE(FEET) = 1 00 "Z" F ACTOR = 1 000 . . . - _ -___ - ' ~ MANNINGS FACTOR = .0 MXlMUM OEPIH(FEL|) = e.,,0 N� CHANNEL FLOW THRU SUBAREA(CFS) = 15.78 m� FLOW VELOCITY(FEET/SEC) = 5.72 FLOW DEPTH(FEET) = 1.23 TRAVEL TIME(MIN.) = 3,50 TC(MIN.) = 18.64 P 4 ***************************************************** FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 I >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW- <<< = 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.969 I SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 13.70 SUBAREA RUNOFF(CFS) = 29.70 II EFFECTIVE AREA(ACRES) = 19.80 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 19.80 PEAK FLOW RATE(CFS) = 42.93 I TC(MIN) = 18.64 N� ****************************************************** w� FLOW PROCESS FROM NODE 1.02 TO NODE 1 . 03 IS CODE = 5 | _ -COMPUTE TRAPEZOIDAL-CHANNEL FLOW, << I >>>> >TRAVELTIME THRU SUBAREA<<<< ==============_______=== UPSTREAM NODE ELEVATION = 2320.00 N� DOWNSTREAM NODE ELEVATION = 1920.00 �� CHANNEL LENGTH THRU SUBAREA(FEET) ^ = ^ 1870 00 | CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 I CHANNEL FLOW THRU SUBAREA(CFS) = 42.93 FLOW VELOCITY(FEET/SEC) = 7.86 FLOW DEPTH(FEET) = 1.89 TRAVEL TIME(MIN.) = 3.97 TC(MIN.) = 22.61 �� ~~ ************************************************************* FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 m� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW--',-,- - ____ ______ ____________ _ __ _ - __= I ^ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2 594 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 43.60 SUBAREA RUNOFF(CFS) = 79.81 I EFFECTIVE AREA(ACRES) = 63.40 AVERAGED Fm(INCH/HR) = .560 . TOTAL AREA(ACRES) = 63.40 I PEAK FLOW RATE(CFS) = 116.05 TC(MIN) = 22.61 11 ********************************************************************* FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 5 I >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<FLOW-', >>>>>TRAVELTIME THRU SUBAREA< ---- _________ _______= UPSTREAM NODE ELEVATION = 1920.00 ^ DOWNSTREAM NODE ELEVATION = 1820 00 m� CHANNEL LENGTH THRU SUBAREA(FEET) = 1600.00 CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .060 MAXIMUM DEPTH(FEET) = 4.00 I CHANNEL FLOW THRU SUBAREA(CFS) = 116.05 +LUW YELu-11 = /.uo 1-LuW DLT_p|HkhtlE// = ri.vo N� TRAVEL TIME(MIN.) = 3.42 TC(MIN.} = 26.03 *** FLOW FROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 _______ _______ >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.350 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 R SUBAREA AREA(ACRES) = 22.50 SUBAREA RUNOFF(CFS) = 30.99 EFFECTIVE AREA(ACRES) = 85.90 AVERAGED Fm(INCH/HR) = .628 N� TOTAL AREA(ACRES) = 85.90 m� PEAK FLOW RATE(CFS) = 133.16 TC(MIN) = 26.03 * FLOW FROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 N� -- - ------ ----- m� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW _________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.350 N� SOIL CLASSIFICATION IS "B" ~� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 35.50 SUBAREA RUNOFF(CFS) = 57.21 EFFECTIVE AREA(ACRES) = 121.40 N� AVERAGED Fm(INCH/HR) = .608 TOTAL AREA(ACRES) = 121.40 PEAK FLOW RATE(CFS) = 190.36 @� TC(MIN) = 26.03 ***************** N� FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 5 >>> -‘COMPUTE TRAPEZOIDAL-CHANNEL , FLOW 0� >>>>> TRAVELTIME THRU SUBAREA,„ UPSTREAM NODE ELEVATION = 1820.00 DOWNSTREAM NODE ELEVATION = 1780.00 �� CHANNEL LENGTH THRU SUBAREA(FEET) = 1100.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 190.36 FLOW VELOCITY(FEET/SEC) = 9.85 FLOW DEPTH(FEET) = 3.14 TRAVEL TIME(MIN.) = 1.86 TC(MIN.) = 27.89 ************************************************************************* FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 N� - - ------------ >>> , ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<< N� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.240 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 11.50 SUBAREA RUNOFF(CFS) = 14.69 N� EFFECTIVE AREA(ACRES) = 132.90 AVERAGED Fm(INCH/HR) = .627 TOTAL AREA(ACRES) = 132.90 N� PEAK FLOW RATE(CFS) = 192.94 �� TC(MIN) = 27.89 , ~ *************************************************************************, FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 51}_ ll >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << _____=======________=====___________________== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.240 U� SOIL CLASSIFICATION IS "B^ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 { SUBAREA AREA(ACRES) = 49.60 SUBAREA RUNOFF(CFS) = 74.98 EFFECTIVE AREA(ACRES) = 182.50 N� AVERAGED Fm(INCH/HR) = .608 i - TOTAL AREA(ACRES) = 182.50 PEAK FLOW RATE(CFS) = 267.91 N� TC(MIN) = 27.89 ************************************************************************ FLOW PROCESS FROM NODE 1.05 TO NODE 1.05 IS CODE = 1 i ---- - __ >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<<< I -- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: ------ TIME OF CONCENTRATION(MINUTES) = 27.89 RAINFALL INTENSITY (INCH./HOUR) = 2.24 N� EFFECTIVE STREAM AREA(ACRES) = 182.50 TOTAL STREAM AREA(ACRES) = 182.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 267.91 *************************************************************************** FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 | �� >>>>> RATIONAL METHOD INITIAL SUBAREA ANALYSIS =___ NATURAL AVERAGE COVER TC = K*E(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = p00.00 N� UPSTREAM ELEVATION = 2760.00 - DOWNSTREAM ELEVATION = 2640 ^ 0O ELEVATION DIFFERENCE = 120.00 I ^ .20 ' TC = .706*[( 500.00** 3.00)/( 120 00)]** 20 = 11 281 100 YEAR RAINFALL INTENSITY(INCH/HOU > = 4 20 '' ^� SOIL CLASSIFICATION IS "8" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = �.5600 111 SUBAREA RUNOFF(CFS) = 27.67 TOTAL AREA(ACRES) = 8.40 PEAK FLOW RATE(CFS) = 27.67 **************************************************************************** FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 5 N� ---- - >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW< >>>> >TRAVELTIME THRU SUBAREA UPSTREAM NODE ELEVATION = 2640.00 DOWNSTREAM NODE ELEVATION = 1960.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 N� MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 2.00 - CHANNEL FLOW THRU SUBAREA(CFS) = 27.67 FLOW VELOCITY(FEET/SEC) = 8.32 FLOW DEPTH(FEET) = 1.39 TRAVEL TIME(MIN. ) = 4.00 TC(MIN > = 15 29 . . ° I ***** *** ******* **** ****** ** **** ******** *** ************** *** FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = ************* b . - >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW -- I ====__ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.412 =` SOIL CLASSIFICATION 18 "B" U� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 5600 w� SUBAREA AREA(ACRES) = 33.70 SUBAREA RUNOFF(CFS) = 26.4? ~ EFFECTIVE AREA(ACRES) = 42.10 ^ AVERAGED Fm(INCH/HR) = .560 I TOTAL AREA(ACRES) = 42.10 PEAK FLOW RATE(CFS) = 108.05 TC(MIN) = 15.29 -- ********************* i FLOW PROCESS FROM NODE 2.02 TO NODE 1.05 IS CODE = 5 >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<<< >>> >>TRAVELTIME THRU SUBAREA <<< II - __ UPSTREAM NODE ELEVATION = 1960.00 -------- -- ========= DOWNSTREAM NODE ELEVATION = 1780.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2750.00 I CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .060 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 108.05 FLOW VELOCITY(FEET/SEC) = 7.83 FLOW DEPTH(FEET) = 2'85 n� TRAVEL TIME(MIN.) = 5.86 TC(MIN.) = 21.14 N� ******************** �� * FLOW PROCESS FROM NODE 2.02 TO NODE 1.05 IS CODE = 8 1 � >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW N� _ _____=====__ _ _ =======___ ________=_________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.719 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" S LOSS RATE, Fm( INCH/HR) = 8200 -- SUBAREA AREA(ACRES) = 3.30 SUBAREA RUNOFF(CFS) = 5.64 ^ EFFECTIVE AREA(ACRES) = 45.40 E AVERAGED Fm( INCH/HR) = .579 TOTAL AREA(ACRES) = 45.40 PEAK FLOW RATE(CFS) = 108.05 1 TC(MIN) = 21.14 �� N� FLOW PROCESS FROM NODE 2.02 TO NODE 1.05 IS CODE = 8 1 __ - __ >> >>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< = ___ ______________======= I 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 2.719 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 19.10 SUBAREA RUNOFF(CFS) = 37.11 I EFFECTIVE AREA(ACRES) = 64.50 AVERAGED Fm(INCH/HR) = .573 TOTAL AREA(ACRES) = 64.50 N� PEAK FLOW RATE(CFS) = 124.55 �m TC(MIN) = 21.14 I ************ * ******** ********************** **** ************ * ***************+ - _ ______ ___ _-_ _ _- - - '_ - ---_ . _ / rLUW 1 +HUM NUbE z.oD |u n�DL: z.oZ) 1u Luu17. = z I ------- -------- ------ -----_ >>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<<< -------- >>>>> COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<<<< ����'� 1 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 21.14 RAINFALL INTENSITY (INCH./HOUR) = 2.72 EFFECTIVE STREAM AREA(ACRES, = 64.50 1 TOTAL STREAM AREA(ACRES) = 64.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 124.55 CONFLUENCE INFORMATION: m� STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) N� - - ----- m� 1 267.91 27.89 2.240 .61 182.50 2 124.55 21.14 2.719 .57 64.50 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO - CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: E STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 364.64 247.00 N� 2 387.31 202.84 �� COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEN- FLOW RATE(CFS) = 387.31 TIME(MINUTES) = 21.141 �� EFFECTIVE AREA(ACRES) = ^ 202 84 N� �� TOTAL AREA(ACRES) = 247 0O ^ ************************************************************ *********** II -- FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 5 E > >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLO >>>>>TRAVELTIME THRU SUBAREA ,\-- _ = ==== =======_ =____ ==== UPSTREAM NODE ELEVATION = 178 E DOWNSTREAM NODE ELEVATION = 1/05.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2300.00 CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 0� MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 6. 00 �� ~` CHANNEL F�OW THRU SUBAREA(CFS) = 387.31 1 FLOW VELOCITY(FEET/SEC) = 11.22 FLOW DEPTH(FEET) = 4.21 -- TRAVEL TIME(MIN.) = 3.42 TC(MIN.) = 24.56 *************************************************************************** N� FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 8 1 ! >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<< _= I 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 2.448 SOIL CLASSIFICATION IS "A" ' NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 20.70 SUBAREA RUNOFF(CFS) = 30.33 I EFFECTIVE AREA(ACRES) = 223.54 AVERAGED Fm(INCH/HR) = .618 TOTAL AREA(ACRES) = 267.70 I PEAK . FLOW RATE(CFS) = 387 31 TC(MIN) = 24 56 i ^ I I ************************ | ________ --- --- '- -- --- ' -- ---- - ^ ' - --_ -__ K _ _________-__ I� ____________ ~ >>>>> ADDITION OF SUBAREA TO MAINLINE PEA FLOW ��/��� ==r 1C Y 0 YEAR RAINFALL INTENSIT(INCH/HOUR) = 2.448 ��-- II SOIL CLASSIFICATION 18 "B^ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 68.00 SUBAREA RUNOFF(CFS) = 115.55 C EFFECTIVE AREA(ACRES) = 291.54 AVERAGED Fm(INCH/HR) = .604 TOTAL AREA(ACRES) = 335.70 PEAK FLOW RATE(CFS) = 483.77 0: TC(MIN) = 24.56 �` **************************************** 0� FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE i: ______ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION■MINUTES) = 24.56 ri H RAINFALL INTENSITY (INCH./OUR) = 2 45 EFFECTIVE STREAM AREA(ACRES) = 291.5 TOTAL STREAM AREA(ACRES) = 335.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 483.77 ******************* *********** *********************************************+ E FLOW PROCESS FROM NODE 3.00 TO NODE 3 . 01 IS CODE = 2 >>> >>RATIONAL METHOD INITIAL SUBAREA ANALYSIS <<<<< ======____________ ____=_ _ _________________ = = NATURAL AVERAGE COVER �� TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE}]** .20 C INITIAL SUBAREA FLOW-LENGTH = 600.00 UPSTREAM ELEVATION = 2860.00 DOWNSTREAM ELEVATION = 2600.00 ELEVATION DIFFERENCE = 260.00 C TC = .706*[( 600.00** 3.O0)/( 260.00)]** .20 = 10.782 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.356 SOIL CLASSIFICATION IS "8" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 N� SUBAREA RUNOFF(CFS) = 33.96 TOTAL AREA(ACRES) = 9.94 PEAK FLOW RATE(CFS) = 33.96 II ***** ************************************************************* ********** FLOW PROCESS FROM NODE 3.01 TO NODE 3.02 IS CODE = 5 in �� m� >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<<< >> >>>TRAVELTIME THRU SUBAREA _ _ _ _ _ _ ______== ======= I UPSTREAM NODE ELEVATION = 26O0.00 DOWNSTREAM NODE ELEVATION = 1920.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2250.00 CHANNEL BASE(FEET) = 1.00 "2" FACTOR = 1.000 I MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 33.96 FLOW VELOCITY(FEET/SEC) = 8.35 FLOW DEPTH(FEET) = 1.53 II TRAVEL TIME(MIN.) = 4.49 TC(MIN.) = 15.27 ****************** I FLOW PROCESS FROM NODE 3.01 TO NODE 3.02 IS CODE = 8 ~ ~ -' -- - - '-'--- ------ ---------- - --------------- N� ADDITION OF SU8AREA TO MAI�LlNE PEAK FLOW /�/ wm . ,� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.413 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 39.80 SUBAREA RUNOFF(CFS) = 102.21 EFFECTIVE AREA(ACRES) = 49.74 AVERAGED Fm( INCH/HR) = .560 49.74 TOTAL AREA(ACRES) = 49 . PEAK FLOW RATE(CFS) = 127.74 TC(MIN) = 15.27 ******************************************************* N� FLOW PROCESS FROM NODE 3.02 TO NODE 1.06 IS CODE = 5 >>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>>> TRAVELTIME THRU SUBAREA< __________________ UPSTREAM NODE ELEVATION = 1920.00 DOWNSTREAM NODE ELEVATION = 1705.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3000.00 �� CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .050 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 127.74 FLOW VELOCITY(FEET/SEC) = 9.63 FLOW DEPTH(FEET) = 2.78 TRAVEL TIME(MIN.) = 5.19 TC(MIN.) = 20.47 1: ********************************* FLOW PROCESS FROM NODE 3.02 TO NODE 1.06 IS CODE = 8 0� -------- - ------- >>>>>ADDITION CF SUBAREA TO MAINLINE PEAK FLOW<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.781 0� SOIL CLASSIFICATION IS "A" ~~ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 14.00 SUBAREA RUNOFF(CFS) = 24.71 EFFECTIVE AREA(ACRES) = 63.74 �. AVERAGED Fm(INCH/HR) = . 617 TOTAL AREA(ACRES) = 63.74 PEAK FLOW RATE(CFS) = 127.74 TC(MIN) = 20.47 . -- ************************************************************************* N� FLOW PROCESS FROM NODE 3.02 TO NODE 1.06 IS CODE = 8 > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW-, N� ---- - - - -- --- --== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.781 } SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 N� SUBAREA AREA(ACRES) = 72.00 SUBAREA RUNOFF(CFS) = 143.93 EFFECTIVE AREA(ACRES) = 135.74 AVERAGED Fm(INCH/HR) = .587 TOTAL AREA(ACRES) = 135.74 N� PEAK FLOW RATE(CFS) = 268.07 TC(MIN) = 20.47 ************************************* FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE --- -- - --- ---- - --- ' -- ! ' N� -======------============= -- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: ��)4� � ! TImE CF CONCENTRATION(MINUTES) = 20.47 - - \( RAINFALL INTENSITY (INCH./HOUR) = 2.78 �� EFFECTIVE STREAM AREA(ACRES) = 135.74 TOTAL STREAM AREA(ACRES) ) = 135.74 PEAK FLOW RATE(CFS) AT CONFLUENCE = 268.07 I CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE li NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ---- - ---- -- 1 483.77 24.56 2.448 .60 291.54 2 268.07 20.47 2.781 .59 135.74 11 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: II STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) . _ C 1 711.16 427.28 2 744.09 378.73 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 744.09 TIME(MINUTES) = 20.468 0� EFFECTIVE AREA(ACRES) = 378.73 �� TOTAL AREA(ACRES) 471 44 / _____ = ^ ��w����'��\ �� -�' ���2 __-^ _ I END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 471 ' 44 EFFECTIVE AREA(ACRES) = 378.73 PEAK FLOW RATE(CFS) = 744.09 - --- - -----=- --------- -------=--- - =====' -- END OF RATIONAL METHOD ANALYSIS I I 10 { I I I I I 111 ( ~ ~ \� 4 � ^~ . � *********************************** 3.-A-it*** k********* N� RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) 0� Ver. 4.1C Release Date: 5/11/87 Serial # 101071 Especially prepared for: RIVERTECH INC. ************************** DESCRIPTION OF STUDY ************************* * RATIONAL METHOD (COMPUTATION OF LAG FOR WATERSHED 70 EXISTING CONDITION) *********************************************************************** 1: FILE NAME: 100HR70.IN TIME/DATE OF STUDY: 15:21 9/ 8/1987 E USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: __ _____====== =___ __=== -- *TIME - OF-CONCENTRATION MODEL*-- 1: USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .7000 USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.3000 *****.m******************************************************************** N� FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 >>>> , RATIONAL METHOD INITIAL SUBAREA ANALYSIS << �o ----- _ - � NATURAL AVERAGE COVER _ TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 C INITIAL SUBAREA FLOW-LENGTH = 500.00 UPSTREAM ELEVATION = 3000.00 DOWNSTREAM ELEVATION = 2720.00 N� ELEVATION DIFFERENCE = 280.00 TC = .706*[( 500.00** 3.00)/( 280.00)]** .20 = 9.523 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.715 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 14.96 I/ TOTAL AREA(ACRES) = 4.00 PEAK FLOW RATE(CFS) = 14.96 ********************************** FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 m� >>> >>COMPUTE TRAPEZOIDAL CHANNEL FLOW< - - - \\( >> >>>TRAVELTIME THRU SUBAREA <<<<< I -- UPSTREAM NODE ELEVATION = 2720.0O DOWNSTREAM NODE ELEVATION = 2400.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 0� CHANNEL BASE(FEET) = � 1.00 "Z^ FACTOR = 1.000 . N A CHANEL FLOW THRU SUBARE(CFS) = 14.96 mm FLOW VELOCITY = 6.98 FLOW DEPTH(FEET) = 1.35 15 41 TRAVEL TIME(MIN.) = 2.39 TC(MIN.) = 11.91 I/ �**/ �� FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 ~~ ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< __ =__________________________ =_____ ___ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.032 II SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 �� SUBAREA AREA(ACRES) = 12.60 SUBAREA RUNOFF(CFS) = 39.37 �� EFFECTIVE AREA(ACRES) = 16.60 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 16.60 PEAK FLOW RATE(CFS) = 51.87 I TC(MIN) = 11.91 0� ************************************************************************** �� FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 18 CODE = 5 > >> >> COMPUTE TRAPEZOIDAL-CHANNEL FLOW << C >>>>>TRAVELTIME THRU SUBAREA <<<<< _____= _ UPSTREAM NODE ELEVATION = 2400.00 E DOWNSTREAM NODE ELEVATION = 2200.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1250.00 CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 3.00 E CHANNEL FLOW THRU SUBAREA(CFS) = 51.87 FLOW VELOCITY(FEET/SEC) = 7.34 FLOW DEPTH(FEET) = 1.84 TRAVEL TIME(MIN.) = 2.84 TC(MIN.) = 14.75 II *************************************************************************** C FLOW PROCESS FROM NODE 1.02 �O NODE 1.03 IS CODE = 8 > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< _____ ____________ C 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.472 SOIL CLASSIFICATION IS ^B^ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR} = .5600 SUBAREA AREA(ACRES) = 20.10 SUBAREA RUNOFF(CFS) = 52.67 N� EFFECTIVE AREA(ACRES) = 36.70 �� AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 36.70 PEAK FLOW RATE(CFS) = 96.18 I TC(MIN) = 14.75 1 I **************************************************************************** FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 5 ` - ------ - ------- >>>> , COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< I >>>>>TRAVELTIME THRU SUBAREA< ___ _ _ ___= ========== UPSTREAM NODE ELEVATION = 2200.00 I DOWNSTREAM NODE ELEVATION = 2080.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1800.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 II CHANNEL FLOW THRU SUBAREA(CFS) = 96.18 ' ~ • II T�VEL TIE(�IH.) = 4.89 TC(MIN ) = 19.6-f ^ ���7l | `� /� I ************************ ***************************************** ********* FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< I 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.841 __-==========_____====== SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE Fm(INCH/HR) = 8200 �� SUBAREA AREA(ACRES) = 2.30 SUBAREA RUNOFF(CFS) = 4.18 ' EFFECTIVE AREA(ACRES) 39 00 = . AVERAGED Fm(INCH/HR) = .575 TOTAL AREA(ACRES) = 39.00 �� PEAK FLOW RATE(CFS) = 96.18 TC(MIN) = 19.64 II ************************************************ **************************+ FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 II >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< _____ ==================______ ====_____=____ ____==== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.841 II SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .5600 SUBAREA AREA(ACRES) = 15.60 SUBAREA RUNOFF(CFS) = 32.03 I EFFECTIVE AREA(ACRES) = 54.60 AVERAGED Fm(lNCH/HR) = .571 TOTAL AREA(ACRES) = 54.60 PEAK FLOW RATE(CFS) = 111.55 0� TC(MIN) = 19.64 �� I **************************** ******************* * *********************** * *** FLOW PROCESS FROM NODE 1.04 TO NODE 1.04 IS CODE = � - , >> >>>DESIGNATE INDEPENDENT STRE1 FOR CONFLUENCE <<<< ------ �� _ __ ~~ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE } TIME OF CONCENTRATION(MINUTES) = 19.64 RAINFALL INTENSITY (INCH./HOUR) = 2.84 I EFFECTIVE STREAM AREA(ACRES) = 54.60 TOTAL STREAM AREA(ACRES) = 54.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 111.55 II ************************************** II FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 -- ------ - >>>>> RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<< _=====~ �� N� NATURAL AVERAGE COVER TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 750.00 I UPSTREAM ELEVATION = 3000.00 DOWNSTREAM ELEVATION = 2640.00 ELEVATION DIFFERENCE = 360.00 I ^ TC = .706*[( 750.00** 3.00)/( 360 00>]** .20 ^ 20 = 11 550 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.119 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 N� SUBAREA RUNOFF(CFS) = 19.54 _ - - - ` Aft,.4A4tXX*44-*****41.-,0 *** 4- ** -4- * -. ** 4.1 t ,4 ** 1 rA** - ******- 16 -*****.*4*****-X-4-**** *A%r* I 2 . FLOW PROCESS FROM NODE 2.01 TO NODE 02 IS CODE = 5 __ >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<< >>>>> TRAVELTIME THRU SUBAREA C UPSTREAM NODE ELEVATION = 2640.00 DOWNSTREAM NODE ELEVATION = 2400.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.54 FLOW VELOCITY(FEET/SEC) = 7.37 FLOW DEPTH(FEET) = 1.20 . TRAVEL TIME(MIN.) = 1.81 TC(MIN.) = 13.36 N: ************************************************ FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 8 �� �� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ________ 1O0 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.721 SOIL CLASSIFICATION IS "B" C NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 18.40 SUBAREA RUNOFF(CFS) = 52.34 EFFECTIVE AREA(ACRES) = 24.50 C AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 24.50 PEAK FLOW RATE(CFS) = 69.69 1: TC(MIN) = 13.36 **************************** 111 FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 5 >> >>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<< >>>>> TRAVELTIME THRU SUBAREA<<<// - UPSTREAM NODE ELEVATION = 2400.00 DOWNSTREAM NODE ELEVATION = 2200.00 �� �� CHANNEL LENGTH THRU SUBAREA(FEET) = 1250.00 .� CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 69.69 N� FLOW VELOCITY(FEET/SEC) = 7.86 FLOW DEPTH(FEET) = 2 14 m� ^ TRAVEL TIME(MIN.) = 2.65 TC(MIN.) = 16.01 ************************** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 8 N� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.278 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .5600 SUBAREA AREA(ACRES) = 39.00 SUBAREA RUNOFF(CFS) = 95.40 EFFECTIVE AREA(ACRES) = 63.50 0� AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 63.50 PEAK FLOW RATE(CFS) = 155.33 IC(MIN) = 16.01 4 ° I *.****** FLOW PROCESS FROM NODE 2.03 TO NODE 1.04 IS CCDE = 5 657. _�___ >>>>> CONFUTE TRAPEZOIDAL-CHANNEL FLOW I >>>>>TRAVELTIME THRU SUBAREA <<< =================______==__________======________==_____=______ ____==== UPSTREAM NODE ELEVATION = 2200.00 I'd DOWNSTREAM NODE ELEVATION = 2080.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1200.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .060 MAXIMUM DEPTH(FEET) = 4.00 �� CHANNEL FLOW THRU SUBAREA(CFS) = 155.33 FLOW VELOCITY(FEET/SEC) = 10.08 FLOW DEPTH(FEET) = 2.70 II TRAVEL TIME(MIN.) = 1.98 TC(MIN.) = 17.99 *************** FLOW PROCESS FROM NODE 2.03 TO NODE 1.04 IS CODE = 8 li >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLW<<<<< - ----- -------- _ ___________ __===___ _ ___====__ ______== II . 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3 020 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 35.90 SUBAREA RUNOFF(CFS) = 79.50 �� EFFECTIVE AREA(ACRES) = 99.40 � AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 99.40 11; PEAK FLOW RATE(CFS) = 220.11 TC(MIN) = 17.99 ****************************************************************** -- FLOW PROCESS FROM NODE 1.04 TO NODE 1.04 IS CODE = 1 I ,> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<< CONFLUENCE VALUES USED FOR INDEPVNDENT STREAM 2 ARE I TIME OF CONCENTRATION(MINUTES) = 17 . 99 RAINFALL INTENSITY (INCH./HOUR) = 3.02 EFFECTIVE STREAM AREA(ACRES) = 99.40 TOTAL STREAM AREA(ACRES) = 99.40 I PEAK FLOW RATE(CFS) AT CONFLUENCE = 220.11 CONFLUENCE INFORMATION: 0� STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE =~ NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 111.55 19.64 2.841 .57 54.60 II 2 220.11 17.99 3.020 .56 99.40 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO I CONFLUENCE FORMULA USED FOR 2 STREAMS SUMMARY RESULTS: ^ STREAM CONFLUENCE EFFECTIVE II NUMBER Q(CFS) AREA(ACRES) 1 315.61 154.00 2 330.40 149.43 I COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 330.40 TIME(MINUTES) = 17.993 EFFECTIVE AREA(ACRES) = 149.43 II TOTAL AREA(ACRES) = 154.00 ' I ******************************-*� ** *****�*** *****,**********+********+ FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 18 CODE = 5 __________________________________ >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW II >>>>> TRAVELTIME THRU SUBAREA <<<< ====______=______-_____==========_______==_____=========== UPSTREAM NODE ELEVATION = 2080.00 DOWNSTREAM NODE ELEVATION = 2000.00 Y� CHANNEL LENGTH THRU SUBAREA(FEET) = 2250.00 CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .060 MA DEPTH(FEET) = 6.00 1; CHANNEL FLOW THRU SUBAREA(CFS) = 330.40 FLOW VELOCITY(FEET/SEC) = 8.21 FLOW DEPTH(FEET) = 4.65 II TRAVEL TIME(MIN.) = 4.57 TC(MIN.) = 22.56 ******************* li FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 ---- --- ----- -------- >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< _ ___===__ __====____ __===== � � 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.578 �� ~~ SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 36.80 SUBAREA RUNOFF(CFS) = 58.23 EFFECTIVE AREA(ACRES) = 186.23 °� AVERAGED Fm(INCH/HR) = .614 TOTAL AREA(ACRES) = 190.80 , PEAK FLOW RATE(CFS) = 330.40 TC(MIN) = 22.56 C *********************** FLOW PROCESS FROM NODE 1.0 TO NODE 1.05 IS CODE = 8 �� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<< 0� _____________ _ _______===______===== _= __======== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.578 SOIL CLASSIFICATION IS "B" C .� NATURAL AVERAGE COVER "GRASS" Su�AREA LOSS RATE, Fm(INCH/HR) = .56O0 SUBAREA AREA(ACRES) = 86.40 SUBAREA RUNOFF(CFS) = 156.92 EFFECTIVE AREA(ACRES) = 272.63 AVERAGED Fm(INCH/HR) = .597 1: TOTAL AREA(ACRES) = 277.20 PEAK FLOW RATE(CFS) = 486.04 TC(MIN) = 22.56 ************************************************************* 11 FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 5 - ----- >>>> :COMPUTE TRAPEZOIDAL-CHANNEL FLOW << >>>>>TRAVELTIME THRU SUBAREA <<<<< II UPSTREAM NODE ELEVATION = 2000.00 DOWNSTREAM NODE ELEVATION = 1900.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 4000.00 CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 �� MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 486.04 FLOW VELOCITY(FEET/SEC) = 10.79 FLOW DEPTH(FEET) = 5.00 �� TRAVEL TIME(MIN.) = 6.18 TC(MIN.) = 28.74 I **********************************+�**+******, - _- - - - ~ ` - m� />>>> ADDITION OF SUBAFEA TO MAINLINE PEAK FLOW<<<<< $4 ---- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.176 SOIL CLASSIFICATION IS "A^ ( NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE. Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 110.90 SUBAREA RUNOFF(CFS) = 135.36 EFFECTIVE AREA(ACRES) = 383.53 �� AVERAGED Fm(INCH/HR) = .662 TOTAL AREA(ACRES) = 388.10 PEAK FLOW RATE(CFS) = 522.80 �� TC(MIN) = 28.74 �� **************************************************************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<< N� --------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.176 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 I SUBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 37.82 EFFECTIVE AREA(ACRES) = 409.53 AVERAGED Fm(INCH/HR) = .655 TOTAL AREA(ACRES) = 414.10 PEAK FLOW RATE(CFS) = 560.62 TC(MIN) = 28.74 *********************** FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 N� - - - - - ~� >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ====_____ _ _______ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 28.74 RAINFALL INTENSITY (INCH./HOUR) = 2.18 EFFECTIVE STREAM AREA(ACRES) = �O9.53 TOTAL STREAM AREA(ACRES) = 414.10 � - PEAK FLOW RATE(CFS) AT CONFLUENCE = 560.62 *** **********************************************************************� FLOW PROCESS FROM NODE 3.00 TO NODE 3.01 IS CODE = 2 > >>>> RATIONAL METHOD INITIAL SUBAREA ANALYSIS< i --------- --=-------=------==== NATURAL AVERAGE COVER N� TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 750.00 UPSTREAM ELEVATION = 3080.00 I DOWNSTREAM ELEVATION = 2760.00 ELEVATION DIFFERENCE = 320.00 TC = .706*[( 750.00** 3.00)/( 320.00)]** .20 = 11.825 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.052 N� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 17.29 TOTAL AREA(ACRES) = 5.50 PEAK FLOW RATE(CFS) = 17 29 . ******************************************************************* FLOW PROCESS FROM NODE 3.01 TO NODE 3.02 IS CODE = 5 -~ >>/>> COMPLTE TRAPEZOIDAL-CHANNEL FLOW �� >>>>> TRAVELTIME THRU SUBAREA -/� UPSTREAM NODE ELEVATION = 2760.00 DOWNSTREAM NODE ELEVATION = 2520.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1250.00 CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 2 00 . CHANNEL FLOW THRU SUBAREA(CFS) = 17.29 FLOW VELOCITY(FEET/SEC) = 6.03 FLOW DEPTH(FEET) = 1.27 TRAVEL TIME(MIN.) = 3.46 TC(MIN.) = 15.28 **************************************************************************+ FLOW PROCESS FROM NODE 3.01 TO NODE 3.02 18 CODE = 8 >>>> -ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< ----- _ ====== 0; 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.386 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 �� �� . SUBAREA AREA(ACRES) = 29.10 SUBAREA RUNOFF(CFS) = 74 02 ~~ EFFECTIVE AREA(ACRES) = 34.60 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 34.60 PEAK FLOW RATE(CFS) = 88.01 TC(MIN) = 15.28 *** FLOW PROCESS FROM NODE 3.02 TO NODE 3.03 18 CODE = 5 C >>>>> COMPUTE TRAPEZOIDALCHANNEL FLDW >>> >>TRAVELTIME THRU SUBAREA <<<< ____________ =========== UPSTREAM NODE ELEVATION = 2520.00 DOWNSTREAM NODE ELEVATION = 2360.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 g CHANNEL BASE(FEET) = 1.00 "FACTOR = 1.000 . ,. . MANNINGS FACTOR = O80 MAXIMU& DEPTH(FEET) = 3 00 CHANNEL FLOW THRU SUBAREA(CFS) = 88.01 FLOW VELOCITY(FEET/SEC) = 8.39 FLOW DEPTH(FEET) = 2.78 TRAVEL TIME(MIN.) = 1.99 TC(MIN.) = 17.27 ******** *****************************************************************v 01 FLOW PROCESS FROM NODE 3.02 TO NODE 3.03 IS CODE = 8 >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< d � __ 0� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.109 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE. Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 19.70 SUBAREA RUNDFF(CFS) = 45.19 EFFECTIVE AREA(ACRES) = 54.30 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 54.30 PEAK FLOW RATE(CFS) = 124.56 TC(MIN) = 17.27 I/ ********************************************************** FLOW PROCESS FROM NODE 3.03 TO NODE 3.04 IS CODE = 5 COMPUTE TRAPEZOIDAL-CHANNEL FLOW - _ - _ - . _ ^ UPSTREAM 40DE ELEVATION = 2960.0) ^ h��J DOWNSTREAM NODE ELEVATION = 2000.00 `� �or I ^ CHANNEL LENGTH THRU SUBAREA(FEET) = 2000 00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR= 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 124.56 FLOW VELOCITY(FEET/SEC) = 9.49 FLOW DEPTH(FEET) = 2.42 ~~ TRAVEL TIME(MIN. ) = 3.51 TC(MIN. ) = 20.78 1: *********************************************************************** FLOW PROCESS FROM NODE 3.03 TO NODE 3.04 IS CODE = >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW- 0� 100 YEAR RAINFALL INTEMSITY(INCH/HOUR) = 2.731 SOIL CLASSIFICATION IS "B" �� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5400 SUBAREA AREA(ACRES) = 46.70 SUBAREA RUNOFF(CFS) = 91.23 EFFECTIVE AREA(ACRES) = 101.00 AVERAGED Fm(INCH/HR) = .560 �� TOTAL AREA(ACRES) = 101.00 PEAK FLOW RATE(CFS) = 197.31 TC(MIN) = 20.78 **************************************************************** 1110 FLOW PROCESS FROM NODE 3.04 TO NODE 1 06 IS CODE = 5 __ . >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>> TRAVELTIME THRU SUBAREA<<< 1: _ ===== UPSTREAM NODE ELEVATION = 2000.00 DOWNSTREAM NODE ELEVATION = 1900.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 . CHANNEL BASE(FEET) = 3.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .060 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 197.31 FLOW VELOCITY(FEET/SEC) = 8.2 FLOW DEPTH(FEET) = 3.61 -- TRAVEL TIME(MIN.) = 4.04 TC(MIN.) = 24.82 *************************************************************************** FLOW PROCESS FROM NODE 3.04 TO NODE 1.06 IS CODE = 8 0� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.412 SOIL CLASSIFICATION IS "A" I NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .8200 SUBAREA AREA(ACRES) = 19.30 SUBAREA RUNOFF(CFS) = 27.65 EFFECTIVE AREA(ACRES) = 120.30 i� �� AVERAGED Fm(INCH/HR) = .602 TOTAL AREA(ACRES) = 120.30 PEAK FLOW RATE(CFS) = 197.31 TC(MIN) = 24.82 **************************************************************************** FLOW PROCESS FROM NODE 3.04 TO NODE 1.06 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<< ========__________ _ ____=== =====�=====_ - ____=�=====�=== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.412 --- - ---- - - '-' ^ ^ -- - - _ . - _ I NTURL AVEGE COVER "GRAS" SUBAREA LOSS RTE. Fn(INCH/HR) SUBAREA AREA(ACRES) = 36.70 SUBAREA RUNOFF(CFS) = 61.16 EFFECTIVE AREA(ACRES) = J57.00 b '1 . ./'� � AVERAGED Fm(INCH/HR) = .592 II TOTAL AREA(ACRES) = 157.00 PEAK FLOW RATE(CFS) = 257.11 TC(MIN) = 24.82 ********** C FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 _ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE << >>>>> COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< C _ = � CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 24.82 RAINFALL INTENSITY (INCH./HOUR) = 2.41 11140 EFFECTIVE STREAM AREA(ACRES) = 157.00 TOTAL STREAM AREA(ACRES) = 157.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 257.11 11; CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) m: 1 560.62 28.74 2.176 .66 409.53 2 257.11 24.82 2.412 .59 157.00 i: RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: �� STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) �� 1 784.47 566.53 �� �� 2 816.15 510.63 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 816.15 TIME(MINUTES) = 24.819 �� EFFECTIVE AREA(ACRES) = 510 .�� � � �� TOTAL AREA(ACRES) = 571.10 1: ************************************************************** FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 5 I >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW., >>>>>TRAVELTIME THRU SUBAREA..„; __ UPSTREAM NODE ELEVATION = 1900.00 I DOWNSTREAM NODE ELEVATION = 1760.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 4250.00 CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 1.000 �� �� . MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 8 00 CHANNEL FLOW THRU SUBAREA(CFS) = 816.15 FLOW VELOCITY(FEET/SEC) = 13.64 FLOW DEPTH(FEET) = 5.30 II TRAVEL TIME(MIN.) = 5.19 TC(MIN.) = 30.01 li **************************************************************************** �� �� . FLOW PROCESS FROM NODE 1.06 TO NODE 1 O7 IS CODE = 8 __ >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< 11 _======_____ ___=====_____==________-____=_================_____== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.111 - ^ �� NATU�AL AVERAGE COVER "GRASS" SU8AREA LOSS RATE, Fm(INCH/HR) = 8200 ~~ SUBAREA AREA = 118.30 SUBAREA RUHOFF(CFS) \x = 137.48 ^ EFFECTIVE AREA(ACRES) = 628.93 ^ �� AVERAGED Fm(INCH/HR = 7C2 �� TOTAL AREA(ACRES) = 689.40 PEAK FLOW RATE(CFS) = 816.15 TC(MIN) = 30.01 ************************ FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 ` �� _ > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2 ^ 111 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 5600 SUBAREA AREA(ACRES) = 53.70 SUBAREA RUNOFF(CFS) = 74. ^ EFFECTIVE AREA(ACRES) = 682.63 AVERAGED Fm(INCH/HR) = .662 TOTAL AREA(ACRES) = 743.10 PEAK FLOW RATE(CFS) = 890 . 58 _~ TC(MIN) = 30.01 ******************************************************************* FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 5 U� �� >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<<< °� >>>>>TRAVELTIME THRU SUBAREA _ __ UPSTREAM NODE ELEVATION = 1760.00 DOWNSTREAM NODE ELEVATION = 1530.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 8850 00 . CHANNEL BASE(FEET) = 7.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 8.00 N� CHANNEL FLOW THRU SUBAREA(CFS) = 890.58 FLOW VELOCITY(FEET/SEC) = 12.69 FLOW DEPTH(FEET) = 5.58 TRAVEL TIME(MIN.) = 11.62 TC(MIN.) = 41.63 ******************** FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << �� . 100 YEAR RAINFALL INTENSITY(INCH/HOUR> = 1 679 �� SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 314.00 SUBAREA RUNOFF(CFS) = 242.75 �� EFFECTIVE AREA(ACRES) = 996.63 AVERAGED Fm(INCH/HR) = .712 TOTAL AREA(ACRES) = 1057.10 0� PEAK FLOW RATE(CFS) = 890.58 TC(MIN) = 41.63 ************************************************************************** FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << ________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.679 SOIL CLASSIFICATION IS "B" �� NATURAL AVERAGE COVER "GRAS'S" SUBAREA LOSS RATE, Fm(INCH/HF) = .5600 ~ ` EFFECTIVE AREA(ACRES) = 1049.13 AVERAGED Fm(INCH/HR) = .704 bA TOTAL AREA(ACRES) = 1109.60 PEAK FLOW RATE(CFS) = 920.62 TC(MIN) = 41.63 -Ex\.5 44. ~7o C END OF STUDY SUMMARY TOTAL AREA(ACRES) = 1109.60 EFFECTIVE AREA(ACRES) = 1049.13 PEAK FLOW RATE(CFS) = 920.62 =_________=_ __ ______ END OF RATIONAL METHOD ANALYSIS =' 1: Og �! ~_ 11 60 **************************************************************************+ RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # 101071 Especially prepared for: RIVERTECH INC. ************************** DESCRIPTION OF STUDY ************************** * RATIONAL METHOD (COMPUTATION OF LAG FOR WATERSHED 80 EXISTING CONDITION) * ************************************************************************** FILE NAME: 100HR80.IN TIME/DATE OF STUDY: 15:23 9/ 8/1987 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL*-- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* • SLOPE OF INTENSITY DURATION CURVE = .7000 USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.2800 ***************************************************************************- FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBREA ANALYSIS<<<<< NATURAL AVERAGE COVER TC = K*C(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 600.00 UPSTREAM ELEVATION = 2040.00 DOWNSTREAM ELEVATION = 1920.00 ELEVATION DIFFERENCE = 120.00 TC = .706*[( 600.00** 3.00)/( 120.00)3** .20 = 12.585 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.820 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA RUNOFF(CFS) = 8.10 TOTAL AREA(ACRES) = 3.00 PEAK FLOW RATE(CFS) = 8.10 *****:********************************************************************** FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 _ - >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< _=_ UPSTREAM NODE ELEVATION = 1920.00 DOWNSTREAM NODE ELEVATION = 1750.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1500.00 CHANNEL BASE = 1.00 "Z" FACTOR = 1.000 �1 .1411 '6.J ur 1; .r==. CHANNEL FLOW THRU SUBARE�(CFS) = 8 1O i ~~ ^ 6c { ( FLOW VELOCITY(FEET/SEC) = 6.76 FLOW D L DEPTH(FEET) = .70 `�m TRAVEL TIME(MIN.) = 3.70 TC(MIN.) = 16.28 *************************************** FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 (140 ___- >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY(INCH/HOUR> = 3.190 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 11.10 SUBAREA RUNOFF(CFS) = 23.67 �� EFFECTIVE AREA(ACRES) = 14.10 AVERAGED Fm(INCH/HR) = ^ 820 IR TOTAL AREA(ACRES) = 14.10 PEAK FLOW RATE(CFS) = 30.07 w� TC(MIN) = 16.28 1/ ************************************ { FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 18 CODE = 5 ) TRAPEZOIDAL-CHANNEL FLOW<<< �� >TRAVELTIME THRU SUBAREA <<<< UPSTREAM NODE ELEVATION = 1750.00 1 DOWNSTREAM NODE ELEVATION = 1600.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2150 . 00 CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 30.07 FLOW VELOCITY(FEET/SEC) = 7.89 FLOW DEPTH(FEET) = 1.52 TRAVEL TIME(MIN.) = 4.54 TC(MIN.) = 20.83 *****************0-**4-*****-.4-.*****4.*********4****3‘.**o.**4-****)&- I: FLOW PROCESS FROM NODE 1.02 iO NODE 1.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW„,; 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 2.685 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 49.70 SUBAREA RUNOFF(CFS) = 83.41 EFFECTIVE AREA(ACRES) = 63.80 AVERAGED Fm(INCH/HR) = .820 TOTAL AREA(ACRES) = 63.80 PEAK FLOW RATE(CFS) = 107.07 1� TC(MIN) = 20.83 ****-p-**********************4-**o-****.***.********************4.*********4.***** FLOW PROCESS FROM NODE 1.03 TO NODE 1.08 IS CODE = 5 >>>> 'COMPUTE TRAPEZOIDAL-CHANNEL FLOW„,'-, >>>>> TRAVELTIME THRU SUBAREA << ( ----===-------- - -----=========---- - --- -------= UPSTREAM NODE ELEVATION = 1600.00 DOWNSTREAM NODE ELEVATION = 1530.00 °� CHANNEL LENGTH THRU SUBAREA(FEET) = 3250.00 CHANNEL BASE(FEET) = 2.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .040 MA DEPTH(FEET) = 4.00 �� CHANNEL FLOW THRU SUBAREA(CF) = 107.07 ~ ` n,.�� T,.IE�n�N.) = 7 78 TC�MIN ) II ^ ` . = 28.60 � . ��L7 |�" `- ************************************** �� FLOW PROCESS FROM NODE 1.03 TO NODE 1 08 IS ***************** �� . CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FL ------- --- uw ���<< C: 100 YEAR RAINFALL INTENSITY(INC�/HOUR) = 2=-----== SOIL CLASSIFICATION IS "A" '' ^ ��v NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 8200 N � SUBAREA AREA(ACRES) = 58.00 SUBAREA RUNOFF(CFS) = 69.42 ^ � EFFECTIVE AREA(ACRES) = 121.80 ^ AVERAGED Fm(INCH/HR) = .820 TOTAL AREA(ACRES) = 121.80 C. PEAK FLOW RATE(CFS) = 145.78 -- TC(MIN) = 28.60 0: ******************************************************** FLOW PROCESS FROM NODE 1.03 TO NODE 1.08 IS CODE**************** = 8 1: __ OF SUBAREA TO MAINLINE PEAK FLOW, << ____=__ _ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.150 - ------=-----�� SOIL CLASSIFICATION IS "B" C NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 3.20 SUBAREA RUNOFF(CFS) = 4.58 EFFECTIVE AREA(ACRES) = 125.00 ' �� �� .813 AVERAGED Fm(INCH/HR) = TOTAL AREA(ACRES) = 125.00 PEAK FLOW RATE(CFS) = 150.36 I: TC(MIN) = 28.60 ************************************************************* ******** 1: FLOW PROCESS FROM NODE 1.08 TO NODE 1.08 IS CODE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<- --- �, ______ �� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: - -- ==== TIME OF CONCENTRATION(MINUTES) = 28.60 : RAINFALL INTENSITY (INCH./HOUR) = 2.15 C EFFECTIVE STREAM AREA(ACRES) = 125 ' 0o ^ TOTAL STREAM AREA(ACRES) = 125.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 150.36 **************************************************************** ***********- FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 I __>>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<< NATURAL AVERAGE COVER --- 1111 TC = K*[(LENGTH** 3 . 0 0)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 1000.00 ^ UPSTREAM ELEVATION = 1680.00 il DOWNSTREAM ELEVATION = 1650.00 ELEVATION DIFFERENCE = 30.00 li TC = .706*[( 1000.00** 3.00)/( 30.00)]** .20 = 22.562 "� �� 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 2.538 ^ SOIL CLASSIFICATION IS "A" ^� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE Fm(INCH/HR) = II ^ 8200 SuBAREA_RUNOFF(CFS) = 11.13 =°�m�m.mw� -°�..� . � II ************************* FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = **********+ I >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<<< >>>>> TRAVELTIME THRU SUBAREA C: UPSTREAM NODE ELEVATION = 1650.00 DOWNSTREAM NODE ELEVATION = 1625.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000 00 C CHANNEL BASE(FEET) = 1.00 "Z" FACTOR ^ = 1.000 MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) =^ 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 11.13 ^ FLOW VELOCITY(FEET/SEC) = 4.20 FLOW DEPTH(FEET) = 1.20 1: TRAVEL TIME(MIN.) = 3.97 TC(MIN.) = 26.53 ^ ***************************************** �� FLOW PROCESS FROM NODE 2.01 TO NODE 2 . 02 ******** ********* ** **** IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW - -----' Illi _ __ _ _____=__ ====== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.266 -----===== SOIL CLASSIFICATION IS "A" ^ r e NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 8200 SUBAREA AREA(ACRES) = 18.40 SUBAREA RUNOFF(CFS) = 23.95 ^ EFFECTIVE AREA(ACRES) = 25.60 ^ AVERAGED Fm(INCH/HR) = .820 ^ ri TOTAL AREA(ACRES) = 25 6O PEAK FLOW RATE(CFS) = 33.32 TC(MIN) = 26.53 1: *********************************************************************** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 18 CODE = 5 11; - - - --- >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<< --- >>>>> TRAVELTIME THRU SUBAREA <<<< 4 - _____ 1: UPSTREAM NODE ELEVATION = 1625.00 --==== DOWNSTREAM NODE ELEVATION = 1560.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2250.00 C CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1 0ou MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) =' 9.00 CHANNEL FLOW THRU SUBAREA(CFS) = 33.32 ^ FLOW VELOCITY(FEET/SEC) = 5.76 FLOW DEPTH(FEET) = 1.96 I TRAVEL TIME(MIN.) = 6.51 TC(MIN.) = 33.04 ^ I ************** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< --------- �� _______=_ _= _ ____= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.943 ------- -- SOIL CLASSIFICATION IS "A" I NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 43.70 SUBAREA RUNOFF(CFS) = A4.18 ^ EFFECTIVE AREA(ACRES) = 69.30 ^ AVERAGED Fm(INCH/HR) = .820 �� TOTAL AREA(ACRES) = 69.30 - PEAK FLOW RATE(CFS) = 70.07 TC(MIN) = 33.04 1: 0� FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = s 1226J � __ ADDITION OF SUBAREA CO MAINLINE PEAK FLOW << ======= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.943 SOIL CLASSIFICATION IS "8" C NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = ^ 5600 SUBAREA AREA(ACRES) = 21.40 SUBAREA RUNOFF(CFS) = 26.64 EFFECTIVE AREA(ACRES) = 90.70 AVERAGED Fm(INCH/HR) = .759 TOTAL AREA(ACRES) = 90.70 � PEAK FLOW RATE(CFS) = 96.71 TC(MIN) = 33.04 I; ************************************************************************* 1: FLOW PROCESS FROM NODE 2.03 TO NODE 1.08 IS CODE = 5 .COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<< >>> >>TRAVELTIME THRU SUBAREA 1 14 , __ UPSTREAM NODE ELEVATION = 1560.00 DOWNSTREAM NODE ELEVATION = 1530.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1500.00 C CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 96.71 FLOW VELOCITY(FEET/SEC) = 6.61 FLOW DEPTH(FEET) = 2.95 E TRAVEL TIME(MIN.) = 3.78 TC(MIN.) = 36.82 l� �: ********************************** FLOW PROCESS FROM NODE 2.03 TO NODE 1.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<< 1; ========_____ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.801 SOIL CLASSIFICATION IS "A" C NATURAL AVERAGE COVER "GRASS" SgBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 8.50 SUBAREA RUNOFF(CFS) = 7.51 EFFECTIVE AREA(ACRES) = 99.20 AVERAGED Fm(INCH/HR) = .764 117 TOTAL AREA(ACRES) = 99.20 PEAK FLOW RATE(CFS) = 96.71 TC(MIN) = 36.82 ********************************* FLOW PROCESS FROM NODE 2.03 TO NODE 1.08 IS CODE = 8 11; >>>> >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW„' ______ ___ __________==========_____===== �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.801 U� "� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 21.40 SUBAREA RUNOFF(CFS) = 23.91 EFFECTIVE AREA(ACRES) = 120.60 AVERAGED Fm(INCH/HR) = .728 TOTAL AREA(ACRES) = 120.60 PEAK FLOW RATE(CFS) = 116.54 TC(MIN) = 36.82 ********************* I/ ^ ~ _________________________________________ )>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE 5 GI%` >>>>> COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<<<< I ====—______==================---===========_____========================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 36.82 RAINFALL INTENSITY (INCH./HOUR) = 1.80 EFFECTIVE STREAM AREA(ACRES) = 120.60 n� TOTAL STREAM AREA(ACRES) = 120.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 116.54 11; CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) �� m� 1 150.36 28.60 2.150 .81 125.00 2 116.54 36.82 1.801 .73 120.60 1; RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. I SUMMARY RESULTS: ' STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 270.27 218.68 1141 2 227.71 245.60 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 270.27 TIME(MINUTES) = 28'604 EFFECTIVE AREA(ACRES) = 218.68 �� �� TOTAL AREA(ACRES) = 245.60 ����\���t����-�� ________============_________ ======__ _____________________ END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 245.60 �� EFFECTIVE AREA(ACRES) = 218.68 PEAK FLOW RATE(CFS) = 270.27 �� __ ========== =__ _____= �� END OF RATIONAL METHOD ANALYSIS 1: i I: AN li II I ^ 11 �, /�°` I _ **************************************************************************** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) C Ver. 4'10 Release Date: 5/11/87 Serial # 101071 Especially prepared for: I RIVERTECH INC. ************************** DESCRIPTION OF STUDY *************** * RATIONAL METHOD(COMPUTTION OF LAG FOR WATERSHED 90 EXISTING CONDITION) * �� * * * * ***************************************************************** ~~ FILE NAME: 100HR90.IN TIME/DATE OF STUDY: 15:24 9/ 8/1987 ___===_____ II USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: _ _ _ ______===______ __________=____ _ __=_____= --*TIME-OF-CONCENTRATION MODEL*-- i USER SPECIFIED STDRM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 I *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .7000 �� USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.2500 U� ~~ ************************************************-e.*********************** �� FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBOREA ANALYSIS<<<<< �� == ===_ _____ _ _===== NATURAL AVERAGE COVER I TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 750.00 UPSTREAM ELEVATION = 1525.00 �� �� DOWNSTREAM ELEVATION = 1500.00 `� ELEVATION DIFFERENCE = 25.00 TC = .706*[( 750.00** 3.00)/( 25.00)]** .20 = 19.690 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.727 I SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA RUNOFF(CFS) = 12.01 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 12.01 **************************************************************************** I FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 >>> >>COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<< >>>>>TRAVELTIME THRU SUBAREA <<<<< I ____________ � _ ____=========_____=_____ ______=___________= UPSTREAM NODE ELEVATION = 1500.00 li DOWNSTREAM NODE ELEVATION = 1490.00 -' CHANNEL LENGTH THRU SUBAREA(FEET) = 750.00 CHANHEL BASE(FEET) = 1.00 "Z" FACTOR = 1'0 . ° i ` I C|fANNEL FLOW THRU SUBREA(CFS) = 12 01 ^ |� o ' FLOW VELOCITY(FEET/SEC) = 3 . 37 FLOW DEPTH(FEET) = 1.45 II TRAVEL TIME(MIN.) = 3.71 TC(MIN.) = 23.40 *********** *************************************************************. 1: FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 ------- >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< ======== _== ========��==�===�=�=====�~ �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.416 �� SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 7.30 SUBAREA RUNOFF(CFS) = 10.49 I EFFECTIVE AREA(ACRES) = 14.30 AVERAGED Fm(INCH/HR) = .820 TOTAL AREA(ACRES) = 14.30 li U� N � PEAK FLOW RATE(CFS) = 20.55 ~~ TC(MIN) = 23.40 I ��*********‘**�****�*****��****�****�***********�***** FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< Iii ====== ___________=====_ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.416 SOIL CLASSIFICATION IS "B" I NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 8.35 EFFECTIVE AREA(ACRES) = 19.30 AVERAGED Fm(INCH/HR) = .753 C TOTAL AREA(ACRES) = 19.30 PEAK FLOW RATE(CFS) = 28.90 II -- TC(MIN) = 23.40 ***************************************************************************~ 1: FLOW PROCESS FROM NODE 1 .02 @'O NODE 1.03 IS CODE = 5 > >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<< >>>>> TRAVELTIME THRU SUBAREA<<<< C __===== UPSTREAM NODE ELEVATION = 1490.00 DOWNSTREAM NODE ELEVATION = 1470.00 II CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 �� CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 28.90 C FLOW VELOCITY(FEET/SEC) = 4.88 FLOW DEPTH(FEET) = 1.98 TRAVEL TIME(MIN.) = 3.42 TC(MIN.) = 26.82 I FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 N� =___ >> >>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.197 SOIL CLASSIFICATION IS "A" I NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 42.80 SUBAREA RUNOFF(CFS) = 53.03 EFFECTIVE AREA(ACRES) = 62.10 I AVERAGED FmINCH/HR) = .799 TOTAL AREA(ACRES) = ;p2.10 FErIK FLOW F.();1 = 70.11 TC(MIN) = 26.82 kzy0L iJ�� ************************************************************* FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 >>> >>ADDITION OF SUBAREA TO MAINLINE PEA FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.197 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 14.73 EFFECTIVE AREA(ACRES) = 72.10 AVERAGED Fm(INCH/HR) = .766 TOTAL AREA(ACRES) = 72.10 PEAK FLOW RATE(CFS) = 92.84 TC(MIN) = 26.82 E")015 * 1C1 = _ _ END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 72.10 EFFECTIVE AREA(ACRES) = 72.10 PEAK FLOW RATE(CFS) = 92.84 END OF RATIONAL METHOD ANALYSIS . ~ ~ ~ ~ =II END OF RATIONAL METHOD ANALYSlS �� �J \� q / 11 ****************************************** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) C Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # 101071 �� �� Especially prepared for: ' RIVERTECH INC. ****x-********************* DESCRIPTION OF STUDY ************************** ill * RATIONAL METHOD (COMPUTATION OF LAG FOR WATERSHED 10 DEVELOPED COND.) * * 11 ************************************************************* } FILE NAME: 100RD10.IN TIME/DATE OF STUDY: 16: 9 9/ 8/1987 -- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: === _ _____=_ -- *TIME-OF-CONCENTRATION MODEL*-- ii USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 . SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = 90 �� *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* / SLOPE OF INTENSITY DURATION CURVE = .7000 �� USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.7000 II ****** ********************************************************************* , ' FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 11: 1- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ___ ______ NATURAL AVERAGE COVER I/ TC = K*E(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 ^ INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 5165.00 I DOWNSTREAM ELEVATION = 4840.00 ELEVATION DIFFERENCE = 325.00 TC = .706*[( 1000.00** 3.00)/( 325.00)]** .20 = 14.010 li 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.706 SOIL CLASSIFICATION IS "D" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA RUNOFF(CFS) = 45.89 TOTAL AREA(ACRES) = 11.60 PEAK FLOW RATE(CFS) = 45 . 89 �� *************************************************************************** II FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW-e..<,. > THRU SUBAREA<<<<< m� _ _ = UPSTREAM NODE ELEVATION = 4840.00 DOWNSTREAM NODE ELEVATION = 4640.00 1 CHANNEL LENGTH THRU SU = lc- ti.c.,1 ~ ~ - - - - I HA�)4INGS FCTOR = .O80 MAXIMUM DEPTH(FEET) = 2 CHANNEL FLOW THRU SUBAREA(CFS) = 45.89 ' ���l) FLOW VELOCITY(FEET/SEC) = 7.75 FLOW DEPTH(FEET) = 1.98 TRAVEL TIME(MIN.) = 2.15 TC(MIN.) = 16.16 I ******* sr*******1.********1 0- 0 * *-i+.1* 4 ********-X ***if ,. FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 �� __ _- >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW < <<< / =====____________======______ _ _____________== ====~ I 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4 258 . SOIL CLASSIFICATION IS "B" ! NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 22.20 SUBAREA RUNOFF(CFS) = 73.89 I EFFECTIVE AREA(ACRES) = 33.8) AVERAGED Fm(INCH/HR) = .474 TOTAL AREA(ACRES) = 33.80 11 PEAK FLOW RATE(CFS) = 115.11 I / TC(MIN) = 16.16 11 *************************** FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 5 I >>>> >COMPUTE TRAPEZOIDAL-CHANNEL FLOW< > THRU SUBAREA _______ =_______=======____ __ UPSTREAM NODE ELEVATION = 4640.00 II DOWNSTREAM NODE ELEVATION = 4360'0O CHANNEL LENGTH THRU SUBAREA(FEET) = 1600.00 CHANNEL BASE(FEET) = 2.00 "Z" FACTOR = 1.000 N� . MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET} = 4 00 �� ~_ CHANNEL FLOW THRU SUBAREA(CFS) = 115.11 FLOW VELOCITY(FEET/SEC) = 9.22 FLOW DEPTH(FEET) = 2.67 TRAVEL TIME(MIN.) = 2.89 TC(MIN.) = 19.05 II ****************************************************** I FLOW PROCESS FROM NODE 1 .02 ^�O NODE 1 . 03 IS CODE = 8 - - --- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< ___ ____ _ _________ _____ __= ____ I 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.795 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 65.50 SUBAREA RUNOFF(CFS) = 190.70 0 EFFECTIVE AREA(ACRES) = 99.30 AVERAGED Fm(INCH/HR) = .531 TOTAL AREA(ACRES) = 99.30 I PEAK FLOW RATE(CFS) = 291.71 ( TC(MIN) = 19.05 **************************************************************************** FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 5 I >> >>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW< >>>>>TRAVELTIME THRU SUBAREA << _____ ______= UPSTREAM NODE ELEVATION = 4360.00 II DOWNSTREAM NODE ELEVATION = 3520.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2100.00 CHANNEL BASE(FEET) = 4.00 "2" FACTOR = 1.000 1/ MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 5.00 , I r�UW V�Lu�l7/ = 16.0o FLOW DEPTH -- 2 7 1 TRAVEL TIME(MIN.) = 2.19 TC(MIN.) = 21 24 P. h [J �/ 1` I ******************* *** ** ********************************* ***** *** *** *** *** FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 , ___ >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW --- �� ____�__ ___======__________====================_________=_____=============~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.517 SOIL CLASSIFICATION IS "B" I NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 5600 SUBAREA AREA(ACRES) = 79.90 SUBAREA RUNOFF(CF3) = 212.63 ^ EFFECTIVE AREA(ACRES) = 179.20 AVERAGED Fm(INCH/HR) = .544 I TOTAL AREA(ACRES) = 179.20 PEAK FLOW RATE(CFS) = 479.50 li TC(MIN) = 21.24 *************************************************************************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 5 I > >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< > >>>>TRAVELTIME THRU SUBAREA, << _____== ==== ===_ = ====== �� UPSTREAM NODE ELEVATION = 3520.00 DOWNSTREAM NODE ELEVATION = 2800.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2200.00 �� CHANNEL BASE(FEET) = 8.00 "2" FACTOR = 1.000 ~ MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 479.50 L FLOW VELOCITY(FEET/SEC) = 16.19 FLOW DEPTH(FEET) = 2.75 TRAVEL TIME(MIN. ) = 2.26 TC(MIN.) = 23.50 il ************* ******************************************************** *** *** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 1; >> ' , 'ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<< __ _ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.276 SOIL CLASSIFICATION IS "B" I NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .5600 SUBAREA AREA(ACRES) = 79.90 SUBAREA RUNOFF(CFS) = 195.31 EFFECTIVE AREA(ACRES) = 259.10 AVERAGED Fm(INCH/HR) = .549 0i TOTAL AREA(ACRES) = 259.10 PEAK FLOW RATE(CFS) = 635.98 II TC(MIN) = 23.50 *************************************************************************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 5 I >> >>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW, ---< - - ------ >>>>>TRAVELTIME THRU SUBAREA, I -- UPSTREAM NODE ELEVATION = 2800.00 DOWNSTREAM NODE ELEVATION = 2200.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2800.00 I CHANNEL BASE(FEET) = 12.00 "2" FACTOR = 3.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 635.98 �� N� ' FLOW VELOCITY(FEET/SEC) = 25.36 FLOW DEPTH<FEET) = 1 52 - - - _- -_ - , N� h-�7 / � . �~ �.* FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = ---------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< ^ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3 108 �� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 97.80 SUBAREA RUNOFF(CFS) = 224.25 N� EFFECTIVE AREA(ACRES) = 356.9O AVERAGED Fm(INCH/HR) = .552 TOTAL AREA(ACRES) = 356.90 PEAK FLOW RATE(CFS) = 820.96 l� TC(MIN) = 25.34 ******************************************************* �� FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 8 >>>> 'ADDITION OF SUBAREA TO MAINLINE PEAK FLOW _________= ------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.108 SOIL CLASSIFICATION IS "8" N� RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 ~� SUBAREA AREA(ACRES) = 20.90 SUBAREA RUNOFF(CFS) = 45.76 EFFECTIVE AREA(ACRES) = 377.80 AVERAGED Fm(INCH/HR) = .559 11 TOTAL AREA(ACRES) = 377.80 PEAK FLOW RATE(CFS) = 866.72 TC(MIN) = 25.34 ********************* FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 � >> >>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE << Y� �� CONFLUENCE VALUES USED FOR INDEPgNDENT STREAM 1 ARE: -~ TIME OF CONCENTRATION(MINUTES) = 25.34 RAINFALL INTENSITY (INCH./HOUR) = 3.11 EFFECTIVE STREAM AREA(ACRES) = 377.80 0� TOTAL STREAM AREA(ACRES) = 377'80 PEAK FLOW RATE(CFS) AT CONFLUENCE = 966.72 m/ **************************************************************************** FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 >>> >>RATIONAL METHOD INITIAL SUBAREA ANALYSIS< NATURAL AVERAGE COVER TC = K*[ (LENGTH** 3.00)/ (ELEVATION CHANGE) 3** .20 INITIAL SUBAREA FLOW-LENGTH = 700.00 UPSTREAM ELEVATION = 4680.00 N� DOWNSTREAM ELEVATION = 4200.00 ELEVATION DIFFERENCE = 480.00 TC = .706*[( 700.00** 3.00)/( 480.00)]** .20 = 10.462 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.773 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 32.37 TOTAL AREA(ACRES) = 6.90 PEAK FLOW RATE(CFS) = 32.37 It - , I *+**************** *** ** *** **********************44. *** ************ y7 ** *** FLOW PROCESS FRON NODE 2.01 TO NODE 2.02 IS CODE = 5 °* ** >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW< --------- �� >>>>>TRAVELTIME THRU SUBAREA <<<< UPSTREAM NODE ELEVATION = 4200.00 ---------========- �� DOWNSTREAM NODE ELEVATION = 3600.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 1.00 "Z" FACTOR = 1 000 �� MANNINGS FACTOR = .080 MAXIMUM DEPTH =^ 2.00 �� CHANNEL FLOW THRU SUBAREA(CFS) = 32.37 ^ I; FLOW VELOCITY(FEET/SEC) = 10.87 FLOW DEPTH(FEET) = 1.30 TRAVEL TIME(MIN.) = 1.53 TC(MIN') = 12.00 ^ ********************************************************************* �� FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 8 ~~ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW - - _=____ _ _ li 100 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 5.246 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 5600 SUBAREA AREA(ACRES) = 25.30 SUBAREA RUNOFF(CFS) = 106.70 ^ li EFFECTIVE AREA(ACRES) = 32.20 ^ AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 32.20 II PEAK ^ FLOW RATE(CFS) = 135 81 TC(MIN) = 12.00 i iii *********** _ FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 5 I >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW< - - ----- >>> >>TRAVELTIME THRU SUBAREA UPSTREAM NODE ELEVATION = 36007.00 --- ------ g DOWNSTREAM NODE ELEVATION = 2840.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2200.00 CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 0� MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6'00 °= CHANNEL FLOW THRU SUBAREA(CFS) = 135.91 II FLOW VELOCITY(FEET/SEC) = 12.23 FLOW DEPTH(FEET) = 1.89 TRAVEL TIME(MIN.) = 3.00 TC(MIN.) = 14.99 *************************************************************************** N� FLOW PROCESS FROM NODE 2.02 TO NODE 2 03 IS CODE 8 �� __ . . = >>>> 'ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< _____ __ _ ___ V 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.488 _ ========~ SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 I AREA(ACRES) = 66.80 SUBAREA RUNOFF(CFS) = 236 12 ^ � EFFECTIVE AREA(ACRES) = 99.00 ^ AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 99.00 I PEAK FLOW RATE(CFS) = 34994 TC(MIN) = 14.99 1/ 2. 3.3 �OCE 1 06 18 LODE = 5 ;� 1& . _________ - __________° >>>>> CONFUTE TRAFEZOIDAL-CHAHNEL FLOW< >>>>> TRAVELTIME THRU SUBAREA ===__________ UPSTREAM NODE ELEVATION = 2840.0O DOWNSTREAM NODE ELEVATION = 2200.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3050.00 N� CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 3'000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 349.94 FLOW VELOCITY(FEET/SEC) = 22 FLOW DEPTH(FEET) = 1.48 �� TRAVEL TIME(MIN.) = 2.25 TC(MIN.) = 17.25 ****************************** FLOW PROCESS FROM NODE 2.03 TO NODE 1.06 IS CODE = 8 N� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW @� ________=_ _ _=============__ 1O0 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.069 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 20.70 SUBAREA RUNOFF(CFS) = 65.36 EFFECTIVE AREA(ACRES) = 119.70 0� AVERAGED Fm(INCH/HR) = .560 -- TOTAL AREA(ACRES) = 119.70 PEAK FLOW RATE(CFS) = 377.97 TC(MIN) = 17.25 ********************************************************* FLOW PROCESS FROM NODE 2.03 TO NODE 1.06 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW N� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4 . 069 SOIL CLASSIFICATION IS "B^ RESIDENTIAL-, .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 I SUBAREA AREA(ACRES) = 18.30 ��U . BAREA RUNOFF(CFS> = 55 89 EFFECTIVE AREA(ACRES} = 138.00 AVERAGED Fm(INCH/HR) = .575 TOTAL AREA(ACRES) = 138.00 N� PEAK FLOW RATE(CFS) = 433'86 TC(MIN) = 17.25 11 ********************************************************************** FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 0� >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE„„-, �� > >>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<< = ===== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: N� TIME OF CONCENTRATION(MINUTES) = 17.25 RAINFALL INTENSITY (INCH./HOUR) = 4.07 EFFECTIVE STREAM AREA(ACRES) = 138.00 U� TOTAL STREAM AREA(ACRES) = 138.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 433.86 CONFLUENCE INFORMATION: N� STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) �� N� 1 866.72 25.34 ' 3.108 .56 377 ' 80 _ 4Ja.86 17.czb .;:u zau.00 RAINFALL INTENSITY AND TIME OF CONCEHTRATION RATIO 12 � [ 7 � CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: 0� STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 1181.25 515.B0 N� 2 1246.05 395.12 w� COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1246.05 TIME(MINUTES) = 17.248 EFFECTIVE AREA(ACRES) = 395.12 TOTAL AREA(ACRES) = 515.80 ******************************** �� FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 5 ____________ >> >>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW 1/ >>>>> TRAVELTIME THRU SUBAREA UPSTREAM NODE ELEVATION = 2200.00 DOWNSTREAM NODE ELEVATION = 1780.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3600.00 CHANNEL BASE(FEET) = 12.00 "2" FACTOR = 3.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 4.00 ]� ~~ CHANNEL FLOW THRU SUBAREA(CFS) = 1246.05 FLOW VELOCITY(FEET/SEC) = 24.91 FLOW DEPTH(FEET) = 2.55 TRAVEL TIME(MIN.) = 2.41 TC(MIN.) = 19.66 ********************** FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< i t _______=____ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.713 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SpAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 12.00 SUBAREA RUNOFF(CFS) = 34.05 EFFECTIVE AREA(ACRES) = 407.12 AVERAGED Fm(INCH/HR) = .564 TOTAL AREA(ACRES) = 527.80 N� PEAK FLOW RATE(CFS) = 1246.05 w� TC(MIN) = 19.66 **************************************************************** FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 ,,, ,)ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.713 SOIL CLASSIFICATION IS "B" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 SUBAREA AREA(ACRES) = 251.30 SUBAREA RUNOFF(CFS) = 687.05 EFFECTIVE AREA(ACRES) = 658.42 I AVERAGED Fm(INCH/HR) = .607 TOTAL AREA(ACRES) = 779.10 PEAK FLOW RATE(CFS) = 1840.64 TC(MIN) = 19.66 ***** I FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 ° ^ _ __________ II ADDITION OF SUBAREA TO MAINLINE PEAK } � FLOW<<<<< t�~l� � \\� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.713 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .8730 R SUBAREA AREA(ACRES) = 47.70 SUBAREA RUNOFF(CFS) = 121.91 EFFECTIVE AREA(ACRES) = 706.12 AVERAGED Fm(INCH/�R) = .625 N� TOTAL AREA(ACRES) = 826.80 w� PEAK FLOW RATE(CFS) = 1962.55 TC(MIN) = 19.66 li ******************** I FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 ---- - ---- -- >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< _____ ___=________________=_______=_ _=_____=========_____= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.713 I SOIL CLASSIFICATION IS "A" RESIDENTIAL-, 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .7760 SUBAREA AREA(ACRES) = 50.30 SUBAREA RUNOFF(CFS) = 132.95 E EFFECTIVE AREA(ACRES) = 756.42 AVERAGED Fm(INCH/HR) = .635 TOTAL AREA(ACRES) = 877.10 I PEAK FLOW RATE(CFS) = 2095.49 TC(MIN) = 19.66 ************************************************************** ************+ -^ FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 5 >>> >>COMPUTE TRAPEZOIDAL-CHANNEL FLOW< L >>>> THRU SUBAREA<< - _ = ______________ _====___ ====== UPSTREAM NODE ELEVATION = 1780.00 II DOWNSTREAM NODE ELEVATION = 1515.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 6500.00 CHANNEL BASE(FEET) = 12.00 "Z` FACTOR = 1.500 MANNINGS FACTOR = .020 MAXIMU DEPTH(FEET) = 6.00 L CHANNEL FLOW THRU SUBAREA(CFS) = 2095.49 FLOW VELOCITY(FEET/SEC) = 29.14 FLOW DEPTH(FEET) = 4.00 II TRAVEL TIME(MIN.) = 3.72 TC(MIN.) = 23.37 ******************************************************* FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 w� >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW,;,' _ __=====___=______ II 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.289 SOIL CLASSIFICATION IS "B" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 SUBAREA AREA(ACRES) = 42.30 SUBAREA RUNOFF(CFS) = 99.51 I EFFECTIVE AREA(ACRES) = 793.72 AVERAGED Fm(INCH/HR) 3 m = .6 7 TOTAL AREA(ACRES) = 919.40 I PEAK FLOW RATE(CFS) = 2095.49 TC(MIN) = 23.37 ** 0I *************************************************************************. FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 II NI � >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< � ( °� = ------------------------------ -------- _ =����=======�===~= 100 YEAR RAINFALL INTENSITY( IHCH/HOUR) b- 'l'l |� \ ( N� SOIL CLASSIFICATION IS ^B^ RESIDENTIAL- > 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6000 SUBAREA AREA(ACRES) = 15.70 SUBAREA RUNOFF(CFS) = 37.99 I EFFECTIVE AREA(ACRES) = 814.42 AVERAGED Fm(INCH/HR) = .636 TOTAL AREA(ACRES) = 935.10 PEAK FLOW RATE(CFS) = 2095'49 N� TC(MIN) = 23.37 E ********* *** ******************* *** ************************* **** **** *** *** FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 _______ >> >>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< N� =======-----======--------==------============-----------=================- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.289 SOIL CLASSIFICATION IS "A" I RESIDENTIAL-> 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = SUBAREA AREA(ACRES) = 10.90 SUBAREA RUNOFF(CFS) = 24.65 EFFECTIVE AREA(ACRES) = 825.32 AVERAGED Fm(INCH/HR) = .638 TOTAL AREA(ACRES) = 946.00 PEAK FLOW RATE(CFS) = 2095.49 TC(MIN) = 23.37 ******************************** FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 N� ---- -- --- - - >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.289 SOIL CLASSIFICATION IS "B" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 SUBAREA AREA(ACRES) = 6.30 SUBAREA RUNOFF(CFS) = 14.82 U� EFFECTIVE AREA(ACRES) = 931.62 -' AVERAGED Fm(INCH/HR) = .638 TOTAL AREA(ACRES) = 952.30 L PEAK FLOW RATE(CFS) = 2095.49 TC(MIN) = 23.37 11 *******************************************************************- FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW, <<< ___=================== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.289 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .8730 SUBAREA AREA(ACRES) = 60.40 SUBAREA RUNOFF(CFS) = 131,32 EFFECTIVE AREA(ACRES) = 892.02 AVERAGED Fm(INCH/HR) = .654 m� TOTAL AREA(ACRES) = 1012.70 PEAK FLOW RATE(CFS) = 2115.18 TC(MIN) = 23.37 *************************************************************************** FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW N� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.289 �� =, SOIL CLASSlFlCA\lUm 16 ^H^ RESIDENTIAL- > 2 DWELLINGS/ACRE SU8AREA LOSS RATE, Fm(INCH/HR) = .6790 I SUBAREA AREA(ACRES) = 78.50 SUBAREA RUNOFF(CFS) = 184.38 EFFECTIVE AREA(ACRES) = 970.52 b'~l Q AVERAGED Fm(INCH/HR) = .656 \/ | 0� TOTAL AREA(ACRES) = 1091.20 PEAK FLOW RATE(CFS) = 2299.56 TC(MIN) = 23.37 It **************** FLOW PROCESS FROM NODE 1.07 TO MOLE 1.08 IS CODE = 0� - -------- --- m� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< =========_________======= _____=_____=__________=_____ 100 YEAR RAINFALL INTENSITY = 3.289 L SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 267.30 SUBAREA RUNOFF(CFS) = 593.92 I EFFECTIVE AREA(ACRES) = 1237.82 AVERAGED Fm( INCH/HR) = .692 TOTAL AREA(ACRES) = 1358.50 PEAK FLOW RATE(CFS) = 2893.48 TC(MIN) = 23.37 \o END OF STUDY SUMMARY: �� N� TOTAL AREA(ACRES) = 1358.50 EFFECTIVE AREA(ACRES) = 1237.82 PEAK FLOW RATE(CFS) = 2893.48 END OF RATIONAL METHOD ANALYSIS m� � | ` . -- . ` ���� II \� \ � ________ li ************************************************************************** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) E Ver. 4.1C Release Date: 5/11/87 Serial # 101071 Especially prepared for: ~~ RIVERTECH INC. ************************** DESCRIPTION OF STUDY ************************** * RATIONAL METHOD(COMPUTATION OF LAG FOR WATERSHED 20 DEVELOPED COND.) C * * *************************** 1 FILE NAME: 100RD2O.IN \ TIME/DATE OF STUDY: 16:11 9/ 8/1987 I: ==_____ =_______ _ ____ __ _===== =_____==______===============~ USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: =_________=______ --- _______ --- ____ ___ _===_________====~ --*TIME-OF-CONCENTRATION MODEL*-- ii USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 I *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* I SLOPE OF INTENSITY DURATION CURVE = .7000 USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.8300 I *************************************************** ************************ FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 7 � >>>>> RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<< N: ____ _ NATURAL AVERAGE COVER NI TC = K*E(LENGTH** 3.0Q)/(ELEVATION CHANGE)]** . 20 INITIAL SUBAREA FLOW-LENGTH = 700.00 UPSTREAM ELEVATION = 5500.00 N� DOWNSTREAM ELEVATION = 5280.00 �� ELEVATION DIFFERENCE = 220.00 TC = .706*[( 700.00** 3.00)/( 220.00)]** .20 = 12.229 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.572 II SOIL CLASSIFICATION IS "D" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA RUNOFF(CFS) = 33.15 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 33.15 -- **************************************************** I FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 >> >>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<< I >>>>>TRAVELTIME THRU SUBAREA<<<< =______====___________==_____=================-- _________ --=-----= UPSTREAM NODE ELEVATION = 5280.00 DOWNSTREAM NODE ELEVATION = 5065.00 11 CHANNEL LENGTH THRU SUBAREA(FEET) = 1200.00 CHANNEL BASE(FE = 2.o0 ^�^ FHL|U* = 1.,0 I MNNINGS FACTOR = 080 MAXIMUM �EPTH(FEET) = 4 00 , , � 7 CHNNEL FLOW THRU SUBA�EA(CFS) = 33 15 ' . . (} FLOW VELOCITY(FEET/SEC) = 6.81 FLOW DEPTH = 1.42 II TRAVEL TIME(MIN.) = 2.94 TC(MIN.) = 15.16 ********************************************** II FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 ________ >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW =_-___=====_____==================================================-=== II 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 4.793 SOIL CLASSIFICATION IS "D" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 It SUBAREA AREA(ACRES) = 33.70 SUBAREA RUNOFF(CFS) = 135.96 IN EFFECTIVE AREA(ACRES) = 40.70 AVERAGED Fm(INCH/HR) = .310 TOTAL AREA(ACRES) = 40.70 I PEAK FLOW RATE(CFS) = 16420 TC(MIN) = 15.16 li ********************************* *** ***** ****** ************************** FLCW FROCESS FROM NODE 1.02 TO NOCE 1.02 IS CODE = 5 N� >>>> >COMPUTE TRAPEZOIDAL-CHANNEL FLOW m� >>>> >TRAVELTIME THRU SUBAREA<<<< ------=-----=-----==========================-----=================--------= I UPSTREAM NODE ELEVATION = 5065.00 DOWNSTREAM NODE ELEVATION = 4420.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1700.00 CHANNEL BASE(FEET) = 6.60 "Z" FACTOR = 1.000 I MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 164'20 FLOW VELOClTY(FEET/SEC) = 12.80 FLOW DEPTH(FEET) = 1.67 I TRAVEL TIME(MIN.) = 2.21 TC(MIN.) = 17.38 ********** *** **** * ** ****** ** * ** ** * * ** *** ******** E * FLOW PROCESS FROM NODE 1 .02 TO NODE 1.03 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW,- I 100 YEAR RAINFALL INTENSITY( INCH/HOUR> = 4.357 SOIL CLASSIFICATION IS "D" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 I SUBAREA AREA(ACRES) = 30.60 SUBAREA RUNOFF(CFS) = 111.45 EFFECTIVE AREA(ACRES) = 71.30 AVERAGED Fm(INCH/HR) = .310 TOTAL AREA(ACRES) = 71.30 Ni PEAK FLOW RATE(CFS) = 259.68 17.38 TC(MIN) = 17 ^ II ****************************************************** FLOW FROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 I >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< ===__________==================____============______ _______======== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.357 I SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 | SUBAREA AREA(ACRES) = 6.10 SUBAREA RUNOFF(CFS) = 20.84 EFFECTIVE AREA(ACRES) = 77.40 I AVERAGED Fm( INCH/HR) = .330 ~ milmmOMMIIIMMWWWWwww I TOTL HH = 77 PEAK ^ FLOW RATE(CFS) = 280 53 � � 3 ' TC(MIN) = 17.38 '^ .) II ****************** **** ***** ***** **************** *** **** ****** *** ***** **** FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 5 ________ E COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<<< >>>>> TRAVELTIME THRU SUBAREA <<<<< -- -- - - - - -- UPSTREAM NODE ELEVATION = 4420.00 II DOWNSTREAM NODE ELEVATION = 3760.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2500.0O CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.0O0 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 10.00 N� CHANNEL FLOW THRU SUBAREA(CFS) = 280.53 FLOW VELOCITY(FEET/SEC) = 12.73 FLOW DEPTH(FEET) = 2.17 I TRAVEL TIME(MIN.) = 3.27 TC(MIN.) = 20.65 ************************* N FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< _____==__ __==_ _ ____=______=_____________== I 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.861 SOIL CLASSIFICATION IS "D" III I NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 N� SUBAREA AREA(ACRES) = 33.52 SUBAREA RUNOFF(CFS) = 107.12 EFFECTIVE AREA(ACRES) = 110.92 AVERAGED Fm(INCH/HR> = .324 TOTAL AREA(ACRES) = 110.92 I PEAK FLOW RATE(CFS) = 353.11 TC(MIN) = 20.65 Ni ******************** FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 - 01 >>>>' OF SUBAREA 10 MAINLINE PEAK FLOW<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.861 I SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 96.40 SUBAREA RUNOFF(CFS) = 286.39 EFFECTIVE AREA(ACRES) = 207.32 I AVERAGED Fm(INCH/HR) = .434 TOTAL AREA(ACRES) = 207.32 I PEAK FLOW RATE(CFS) = 639.5O TC(MIN) = 20.65 **************************************************************************+ I FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 5 > >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<< I >>>>>TRAVELTIME THRU SUBAREA <<<<< UPSTREAM NODE ELEVATION = 3760.00 DOWNSTREAM NODE ELEVATION = 3260.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 I CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 I CHANNEL FLOW THRU SUBAREA(CFS) = 639.50 FLOW VELOCITY(FEET/SEC) = 15.86 FLOW DEPTH(FEET) = 3.50 ~ ~ I |H*YEL |lnE(niH.` = �.zo |LcMJN./ = de./n � �-/ c6� ~ **************************************************************************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 I >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< E 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.608 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 127.00 SUBAREA RUNOFF(CFS) = 348.36 II EFFECTIVE AREA(ACRES) = 334.32 AVERAGED Fm(INCH/HR) = .482 TOTAL AREA(ACRES) = 334.32 I PEAK FLOW RATE(CFS) = 940.61 TC(MIN) = 22.75 NI *************************************************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.05 18 CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< �� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION(MINUTES) = 22.75 / RAINFALL INTENSITY (INCH./HOUR) = 3.61 EFFECTIVE STREAM AREA(ACRES) = 334.32 II A STREAM AREA(ACRES) = 334 32 TOTAL , PEAK FLOW RATE(CFS) AT CONFLUENCE = 940.61 { **************************************************************************** NI FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 I >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS=-- ------------=====-----------_ NATURAL AVERAGE COVER TC = K*[(LENGTH** 3.00)/(ELEVATI9N CHANGE)]** .20 I INITIAL SUBAREA FLOW-LENGTH = 700.00 UPSTREAM ELEVATION = 5000.00 il DOWNSTREAM ELEVATION = 4860.00 U� ELEVATION DIFFERENCE = 140.00 N� TC = .706*C ( 700.00** 3.00)/( 140.00)]** .20 = 13.366 100 YEAR RAINFALL INTENGITY(INCH/HOUR) = 5.230 SOIL CLASSIFICATION IS "D" I NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .3100 ! SUBAREA RUNOFF(CFS) = 39.85 TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 39.85 II **************************************************************************** FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 5 ----- �� >>>>>COMPUTE TRAPEZOIDAL FLOW <<< I > >>>>TRAVELTIME THRU SUBAREA<SUBAREA- UPSTREAM NODE ELEVATION = 4860.00 DOWNSTREAM NODE ELEVATION = 4760.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 I CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 � CHANNEL FLOW THRU SUBAREA(CFS) = 39.85 FLOW VELOCITY(FEET/SEC) = 6.50 FLOW DEPTH(FEET) = 1.39 NI TRAVEL TIME(MIN.) ) = 1 1.79 TC(MIN. ) = 15. 18 N` � /'/ v � p� *** ************************************************** ********************* FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 18 CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW =====____ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.789 SOIL CLASSIFICATION IS "D" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA AREA(ACRES) = 19.30 SUBAREA RUNOFF(CFS) = 77.81 EFFECTIVE AREA(ACRES) = 28.30 AVERAGED Fm(INCH/HR) = .310 TOTAL AREA(ACRES) = 28.30 PEAK FLOW RATE(CFS) = 114.09 U� TC(MIN) = 15.18 ************** N� FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW N >>>>> TRAVELTIME THRU SUBAREA< N� ==__________==================== _____====================_____====________== UPSTREAM NODE ELEVATION = 4760.00 DOWNSTREAM NODE ELEVATION = 4200.00 �/ � CHANNEL LENGTH THRU SUBAREA(FEET) = 1100.00 CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 N� CHANNEL FLOW THRU SUBAREA(CFS) = 114.09 �0 FLOW VELOCITY(FEET/SEC) = 12.82 FLOW DEPTH(FEET) = 1.23 TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 16.61 **************** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 8 0� - - ------- >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << ===____== 100 YEAR RAINFALL INTENSITY(INCV/HOUR) = 4.497 N� SOIL CLASSIFICATION IS "D" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA AREA(ACRES) = 26.80 SUBAREA RUNOFF(CFS) = 100.99 1 EFFECTIVE AREA(ACRES) = 55.10 AVERAGED Fm(INCH/HR) = .310 TOTAL AREA(ACRES) = 55.10 PEAK FLOW RATE(CFS) = 207.63 N� TC(MIN) = 16.61 N� ******************************************** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW, << N� ----- - - - =---- --========-----======-- -- ----=--------==== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.497 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .5600 SUBAREA AREA(ACRES) = 6.90 SUBAREA RUNOFF(CFS) = 24.45 EFFECTIVE AREA(ACRES) = 62.00 AVERAGED Fm(INCH/HR) = .338 TOTAL AREA(ACRES) = 62.00 PEAK FLOW RATE(CFS) = 232.08 TC(MIN) = 16.61 -- - ' ********** C FLOW PROCESS FROM NODE 2 03 TO NOCE 2 04 IS CODE = 5 � ^ ^ // V^l >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW I >>>>> TRAVELTIME THRU SUBAREA <<<< ====____ _________ ____============ =_____ _=========_______== UPSTREAM NODE ELEVATION = 42 II 3 DOWNSTREAM HODE ELEVATION = 800.00 CHANNEL LENGTH THRU SU8AREA(FEET) = 1300.00 CHANNEL BASE(FEET) = 8.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 N� CHANNEL FLOW THRU SUBAREA(CFS) = 232.08 N� FLOW VELOCITY(FEET/SEC) = 12.82 FLOW DEPTH(FEET) = 1.84 TRAVEL TIME(MIN.) = 1.69 TC(MIN.) = 18.30 ~I *********************************** FLOW PROCESS FROM NODE 2.03 TO NODE 2.04 IS CODE = 2 C >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << =====________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.202 SOIL CLASSIFICATION IS "D" w� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA AREA(ACRES) = 20.10 SUBAREA RUNOFF(CFS) = 70.41 �� N� EFFECTIVE AREA(ACRES) = 82.10 °� AVERAGED Fm(INCH/HR) = .331 TOTAL AREA(ACRES) = 82.10 PEAK FLOW RATE(CFS) = 286.02 N� TC(MIN) = 18.30 NI �m ************ �� FLOW PROCESS FROM NODE 2.03 TO NODE 2.04 IS CODE = 8 >>>> -ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ,e E ------ ----------- ___======--------------=- --- -------= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.202 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SL�AREA LOSS RATE, Fm(INCH/HR) = .5600 IC: SUBAREA AREA(ACRES) = 55.10 SUBAREA RUNOFF(CFS) = 180.60 EFFECTIVE AREA(ACRES) = 137.20 AVERAGED Fm(INCH/HR) = .423 N� TOTAL AREA(ACRES) = 137.20 m� PEAK FLOW RATE(CFS) = 466.63 TC(MIN) = 18.30 II ************************************************************************** I FLOW PROCESS FROM NODE 2.O4 TO NODE 1.05 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<< >>>>>TRAVELTIME THRU SUBAREA <<<< _____ = ___ __ __ ___~ II UPSTREAM NODE ELEVATION = 3800.00 DOWNSTREAM NODE ELEVATION = 3260.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2500.00 N� CHANNEL BASE(FEET) = 10.00 "2" FACTOR = 1.000 N� MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 / CHANNEL FLOW THRU SUBAREA(CFS) = 466.63 FLOW VELOCITY(FEET/SEC) = 13.57 FLOW DEPTH(FEET) = 2.71 II TRAVEL TIME(MIN.) = 3.07 TC(MIN.) = 21.37 II ********* * ***************.-********.************** 1.- ** ************* 1 FLOW ****** FLOW PROCESS FROM NODE 2 . 04 TO NODE 1.05 IS CODE = 8 � ° ` 1 ______________ N� K ADDITION OF SUBAREA TO MAINLI�E PE� FLOW<<<<< 1 « � 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.769 N� SOIL CLASSIFICATION IS "D" N� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .3100 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 15.57 EFFECTIVE AREA(ACRES) = 142.20 AVERAGED Fm(INCH/HR) = .419 �� TOTAL AREA(ACRES) = 142.20 PEAK FLOW RATE(CFS) = 466.63 �� TC(MIN) = 21.37 �� �� **************************************************** FLOW PROCESS FROM NODE 2.04 TO NODE 1.05 IS CODE = 8 0� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< == = ==____===================== r e 100 YEAR RAINFALL INTENSI INCH/ HOUR) 3.76 SOIL CLASSIFICATION IS "B^ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 T SUBAREA AREA(ACRES) = 106.O0 SUBAREA RUNOFF(CFS) = 306.18 EFFECTIVE AREA(ACRES) = 248.20 AVERAGED Fm(INCH/HR) = .479 TOTAL AREA(ACRES) = 248.20 0� PEAK FLOW RATE(CFS) = 734.97 TC(MIN) = 21.37 ~~ *************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.05 IS CODE = 1 Q � - - - ---- -------- �1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE << >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES << ________ = ______ E CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 21.37 RAINFALL INTENSITY (INCH./HOUR) = 3.77 EFFECTIVE STREAM AREA(ACRES) = 48.20 ri ^ �� TOTAL STREAM AREA(ACRES) = 248.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 734.97 C CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CF9) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) I 1 940.61 22.75 3.608 .48 334.32 2 734.97 21.37 3.769 .48 248.20 0� RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO �� CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE I NUMBER Q(CFS) AREA(ACRES) 1 1639.46 582.52 N� 2 1664.18 562.22 1� COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1664.18 TIME(MINUTES) = 21.371 EFFECTIVE AREA(ACRES) = 582.;712 .22 I TOTAL AREA(ACRES) = 582.52 ******************************* 0� FLOW PROCESS FROM NODE 1 ' 05 TO NODE 1.06 IS CODE = 5 / - _ _- -_---� ° _____ ______- I >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< �� Cl/ / / ^ U >>>>>TRAVELTIME THRU SUBAREA <<<<< -------------------------------------------------------------- ===========_ �� UPSTREAM NODE ELEVATION = 3260.00 �� DOWNSTREAM NODE ELEVATION = 2400.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3900.00 CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = 1.060 � MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 - CHANNEL FLOW THRU SUBAREA(CFS) = 1664.18 li FLOW VELOCITY(FEET/SEC) = 19.21 FLOW DEPTH(FEET) = 5.07 TRAVEL TIME(MIN. ) = 3.38 TC(MIN. ) = 24.75 E ************************************* **** *********************************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 8 C >> >>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<< == 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.401 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 �� SUBAREA AREA(ACRES) = 214.20 SUBAREA RUNOFF(CFS) = 547.67 - EFFECTIVE AREA(ACRES) = 776.42 �� AVERAGED Fm(INCH/HR) = .502 �0 TOTAL AREA(ACRES) = 796.72 ~~ PEAK FLOW RATE(CFS) = 2025.35 TC(MIN) = 24.75 �� ~~ ****************************** C FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = > INDEPENDENT STREAM FOR CONFLUENCE _ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: E TlME OF CONCENTRATION(MINUTES) = 24.75 RAINFALL INTENSITY (INCH./HOUR) = 3.40 EFFECTIVE STREAM AREA(ACRES) = 776.42 0� TOTAL STREAM AREA(ACRES) = 7964'72 �� PEAK FLOW RATE(CFS) AT CONFLUENCE = 2025.35 0H *************************************************************************** ~~ FLOW PROCESS FROM NODE 3.00 TO NODE 3.01 IS CODE = 2 )s' RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< II � ----- - --- =====-------------------------- NATURAL AVERAGE COVER N� TC = K*[ (LENGTH** 2.00)/(ELEVATION CHANGE) ]** .20 -- INITIAL SUBAREA FLOW-LENGTH = 1050.00 UPSTREAM ELEVATION = 4520.00 I DOWNSTREAM ELEVATION = 4240.00 ELEVATION DIFFERENCE = 280.00 TC = .706*[( 1050.00** 3.00)/( 280.00)]** .20 = 14.862 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.861 I SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 II II SUBAREA RUNOFF(CFS) = 21.29 TOTAL AREA(ACRES) = 5.50 PEAK FLOW RATE(CFS) = 21.29 I * * ********** ************ F LOW PROCESS FROM NODE 3 O1 TO NODE 3.02 IS CODE = 5 - - >>>>> COMPU[E TRAPEZOIDAL-CHANmEL FLOW N� >>>>> TRAVELTIME THRU SUBAREA <<<<< 1 '6 UPSTREAM NODE ELEVATION = 4240.00 DOWNSTREAM NODE ELEVATION = 3560.00 N� CHANNEL LENGTH THRU SUBAREA(FEET) = 1200.00 CHANNEL BASE(FEET} = 3 00 "Z" FACTOR = 1 000 . . MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 21.2 ~~ FLOW VELOCITY(FEET/SEC) = 8.63 FLOW DEPTH(FEET) = .67 TRAVEL TIME(MIN.) = 2.32 TC(MIN.) = 17.18 I; ************************************************************************ FLOW PROCESS FROM NODE 3.01 TO NODE 3.02 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< =========_____=======================____________========================== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.392 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 13.70 SUBAREA RUNOFF(CFS) = 47.25 EFFECTIVE AREA(ACRES) = 19.20 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 19.20 PEAK FLOW RATE(CFS) = 66.21 TC(MIN) = 17.19 N� ****************** FLOW PROCESS FROM NODE 3.02 TO NODE 3.03 IS CODE = 5 --COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<< 0� == >>>> > TRAVELTIME THRU SUBAREA< <<�====================______________ UPSTREAM NODE ELEVATION = 3560.00 DOWNSTREAM NODE ELEVATION = 3240.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1100.00 CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIM0N DEPTH(FEET) = 4.00 �� CHANNEL FLOW THRU SUBAREA(CFS) = 66.21 FLOW VELOCITY(FEET/SEC) = 9.36 FLOW DEPTH(FEET) = 1.33 TRAVEL TIME(MIN') = 1.96 TC(MIN.) = 19.14 ************************************************ FLOW PROCESS FROM NODE 3.02 TO NODE 3.03 IS CODE = 8 N� - - ------------' >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<< | _ - - - ----=-- --=======-- N� 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 4.072 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 41.30 SUBAREA RUNOFF(CFS) = 130.54 EFFECTIVE AREA(ACRES) = 60.50 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 60.50 0� PEAK FLOW RATE(CFS) = 191.23 TC(MIN) = 19 ^ 14 *********************************** FLOW PROCESS FROM NODE . 3 . 03 TO NODE 1.06 IS CODE = 5 N� > >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<< >>>>> TRAVELTIME THRU SUBAREA<<<< ° ~ -- -------- -������������������������������������������������������������ II UPSTREAM NODE ELEVATION = 3240'00 h�� DOWNSTREAM NODE ELEVATION = 2400.00 ��7 CHANNEL LENGTH THRU SUBAREA(FEET) = 4200.00 I CHANNEL BASE(FEET) = 12'00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 191.23 FLOW VELOCITY(FEET/SEC) = 9.53 FLOW DEPTH(FEET) = 1.49 TRAVEL TIME(MIN.) = 7.35 TC(MIN.) = 26.49 �� ********** �� FLOW PROCESS FROM NODE 3.03 TO NODE 1.06 IS CODE = 8 __ >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ===------=---- -----===============-----==- �� 100 YEAR RAINFALL INTENSITY(INCH/HOLR) = 3.244 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .560 C SUBAREA AREA(ACRES) = 232.20 SUBAREA RUNOFF(CFS) = 560.82 EFFECTIVE AREA(ACRES) = 292.70 AVERAGED Fm(INCH/HR) = .560 rili TOTAL AREA(ACRES) = 292.70 PEAK FLOW RATE(CFS) = 706.94 r i TC(MIN) = 26.49 ************************* li FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ===__ _ __===________=_____==== _= ================_______ ' C CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 26.49 RAINFALL INTENSITY (INCH./HOUR) = 3.24 I EFFECTIVE STREAM AREA(ACRES) = 292.70 TOTAL STREAM AREA(ACRES) = 292.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 706.94 C / CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) N� -- ------ --- m� 1 2025.35 24.75 3.401 .50 776.42 2 706.94 26.49 3.244 .56 292.70 N� RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: " I STREAM CONFLUENCE EFFECTIVE � NUMBER Q(CFS) AREA(ACRES) 1 2724.77 1049.97 II 2 2622.37 1069.12 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2724.77 TIME(MINUTES) = 24.755 I EFFECTIVE AREA(ACRES) = 1049.97 TOTAL AREA(ACRES) = 1089.42 NI *************** FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 5 � � � _ >>>>COMPU7E TRAPEZOIDAL FLOW<<<<< � >>>>>TRAVELTIME THRU SUBAREA << , , � . I UPSTREAM NODE ELEVATION = 2400.00 . DCWHSTREAM NODE ELEVATION = 1960 00 \�V/ CHANNEL LENGTH THRU SUBAREA(FEET) = 4200.00 CHANNEL BASE(FEET) = 16.00 "Z" FACTOR = 3.000 I MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2724.77 FLOW VELOCITY(FEET/SEC) = 28.79 FLOW DEPTH(FEET) = 3.55 TRAVEL TIME(MIN.> = 2.49 TC(MIN.) = 27.24 �� ****** 0� FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 __________--- >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.180 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 �� SUBAREA AREA(ACRES) = 78.70 SUBAREA RUNOFF(CFS) = 185.60 EFFECTIVE AREA(ACRES) = 1128.67 AVERAGED Fm(INCH/HR) = .520 TOTAL AREA(ACRES) = 1168.12 �� PEAK FLOW RATE(CFS) = 2724.77 TC(MIN) = 27.24 li **************************************************************************** FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 I ------ - - -------------- >>> >>- ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< � ===_____ _____ _ _===________====_� ____====__ = 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.180 II SOIL CLASSIFICATION IS "B" RESIDENTIAL-. .4 DWELLING/ACR SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 II SUBAREA AREA(ACRES) = 47.20 SUBAREA RUNOFF(CFS) = 106.42 0� EFFECTIVE AREA(ACRES) = 1175.87 �� AVERAGED Fm(INCH/HR) = .527 TOTAL AREA(ACRES) = 1215.32 PEAK FLOW RATE(CFS) = 2808.32 / �� TC(MIN) = 27.24 ************************************************************************** m� FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 II >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW. <<< ===__ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.180 SOIL CLASSIFICATION IS "A " I NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 4.00 SUBAREA RUNOFF(CFS) = 8.50 EFFECTIVE AREA(ACRES) = 1179.87 AVERAGED Fm(INCH/HR) = .528 I TOTAL AREA(ACRES) = 1219.32 i PEAK FLOW RATE(CFS) = 2816.82 TC(MIN) = 27.24 .=.~-- ��EE~t.�* ���� _ ____====____ _ _____=== _____==== V� END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 1219.32 EFFECTIVE AREA(ACRES) = 1179.87 I PEAK FLOW RATE(CFS) = 2816.82 ___====__=====___-___= _ ~ ! II END OF RATIONAL METHOD ANALYSIS . . | N� �2 � �� \� \�J i | II 4�******************�***** | RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) N� Copyright 1983,86,87 Advanced Engineering Software (aes ~~ Ver. 4.1C Release Date: 5/11/87 Serial # I01071 �� �� Especially prepared for ! �� RIVERTECH INC. li ��� FILE NAME: 1O0HRD30 ~�f �Th����s��[��� 3o TIME/DATE OF STUDY: 20:43 9/ 6/1987 ______ _ ___ _=___ __=======_________ _____==============. USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: I: = _ ______=____ ______= ________ =======, --*TIME-OF-CONCENTRATION MODEL*-- : USER SPECIFIED STORM EVENT(YEAR) = 100.00 - SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 11 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = 1.00 *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 1 | SLOPE OF INTENSITY DURATION CURVE = .7000 -- USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.5900 *******************************°******************************************* L FLOW PROCESS FROM NODE 2.00 TO NODE 3.00 IS CODE = 2 >>>>>RATlONAL METHOD INITIAL SUBAREA ANALYSIS __ ___=________ _= "� NATURAL POOR COVER TC = K*[(LENGTH** 3.00)/(ELEVATD0N CHANGE)]** .20 E INITIAL SUBAREA FLOW-LENGTH = 1850.00 UPSTREAM ELEVATION = 2352.00 DOWNSTREAM ELEVATION = 2160.00 E ELEVATION DIFFERENCE = 192.00 TC = .525*[( 1850'00** 3.00)/( 192.00)]** .20 = 16.742 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.885 SOIL CLASSIFICATION IS "B" 0� NATURAL POOR COVER "BARREN" SUBAREA LOSS RATE, Fm(INCH/HA) = .2700 SUBAREA RUNOFF(CFS) = 47.83 TOTAL AREA(ACRES) = 14.70 PEAK FLOW RATE(CFS) = 47.83 II ************************************************************************** FLOW PROCESS FROM NODE 1.00 TO NODE 2.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS =___________ _ _____ II DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> .4 DWELLING/ACRE ] TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 1100.00 I UPSTREAM ELEVATION = 2680.00 DOWNSTREAM ELEVATION = 2352.00 ELEVATION DIFFERENCE = 328.00 N� T = .487*[( 1100.00** 3.00)1( 328.00)3** .20 = 10.214 m� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.491 I RESIDWELLlN/CRE SUREA LOSS RTE, Fm(INCH/HR) SUBAREA RUNOFF = 46.38 ^ TOTAL AREA(ACRES) = 10.70 PEAK FLOW RATE(CFS) = 46 ���| � *********************************************************************** FLOW PROCESS FROM NODE 2.00 TO NODE 4.00 IS CODE = 4 N� >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA >>> , -USING USER-SPECIFIED PIPESIZE DEPTH OF FLOW IN 21.0 INCH PIPE IS 15.4 INCHES -- PIPEFLOW VELOCITY(FEET/SEC.) = 24.6 UPSTREAM NODE ELEVATION = 2352.00 DOWNSTREAM NODE ELEVATION = 2090.00 0� FLOWLENGTH(FEET) = 2400.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 46.38 E TRAVEL TIME(MIN.) = 1.63 TC(MIN.) = 11.84 ************************************************************* N� FLOW PROCESS FROM NODE 4.00 TO NODE 4.00 IS CODE = 8 >>>> 'ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< ___ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.951 SOIL CLASSIFICATION IS "A" RESIDENTIAL-'- 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .7760 �� SUBAREA AREA(ACRES) = 14.40 SUBAREA RUNOFF(CFS) = 54.11 EFFECTIVE AREA(ACRES) = 25.10 fl AVERAGED Fm(INCH/HR) = .733 TOTAL AREA(ACRES) = 25.10 PEAK FLOW RATE(CFS) = 95.29 TC(MIN) = 11.84 ***************************************************************************+ FLOW PROCESS FROM NODE 4.00 TO NODE 5.00 IS CODE = 4 1 � >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA >>>>>USING USER-SPECIFIED PIPESIZE 11; PIPEFLOW VELOCITY(FEET/SEC.) = 30.3 __ UPSTREAM NODE ELEVATION = 2090.00 DOWNSTREAM NODE ELEVATION = 1948.00 N� FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 . ~ - GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 95.29 TRAVEL TIME(MIN.) = .71 TC(MIN.) = 12.56 **************************************************************************** FLOW PROCESS FROM NODE 5.00 TO NODE 5.00 IS CODE = 8 >>>> -ADDITION OF SUBAREA TO MAINLINE PEAK FLOW _ 0� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.752 SOIL CLASSIFICATION IS "A" RESIDENTIAL- 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6790 SUBAREA AREA(ACRES) = 12.20 SUBAREA RUNOFF(CFS) = 44.73 N� EFFECTIVE AREA(ACRES) = 37.30 AVERAGED Fm(INCH/HR) = .715 TOTAL AREA(ACRES) = 37.30 0� PEAK FLOW RATE(CFS) = 135.53 l� ~ II t� 4 - '~ ****** II FLOW PROCESS FROM NODE 5.00 TO NODE 6.00 IS CODE = 4 -- ------ ___ >> >>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<<< li >>>>> USING USER-SPECIFIED PIPESIZE<<< �� ________ m� PIPEFLOW VELOCITY(FEET/SEC.) = 34.1 -- UPSTREAM NODE ELEVATION = 1948.00 DOWNSTREAM NODE ELEVATION = 1815.00 I FLOWLENGTH(FEET) = 1180.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) 27 0O NUMBER = . OF PIPES = 1 II PIPEFLOW THRU SUBAREA(CFS) = 135.53 �� N� TRAVEL TIME(MIN.) = .58 TC(MIN.) = 13.13 ************** ****************************************************** * 10 . FLOW PROCESS FROM NODE 6.00 TO NODE 6.00 IS CODE = S >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ___ _ �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.605 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 ill SUBAREA AREA(ACRES) = 1.50 SUBAREA RUNOFF(CFS) = 6.09 EFFECTIVE AREA(ACRES) = 38.80 AVERAGED Fm(INCH/HR) = .691 II TOTAL AREA(ACRES) = 38.80 PEAK FLOW RATE(CFS) = 136.67 TC(MIN) = 13.13 ********************************************* FLOW PROCESS FROM NODE 6.00 TO NODE 7.00 IS CODE = 4 I >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA | >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ==========__________________ ______________ ==== li PIPEFLOW VELOCITY(FEET/SEC. ) = i�7.8 - UPSTREAM NODE ELEVATION = 1815.00 - DOWNSTREAM NODE ELEVATION = 1712.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 II GIVEN PIPE DIAMETER( INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 136.67 Il TRAVEL TIME(MIN.) = .78 TC(MIN.) = 13.91 -- *************************************** ill FLOW PROCESS FROM NODE 7.00 TO NODE 7.00 IS CODE = 8 -- , >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< ================== I ^ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4 423 SOIL CLASSIFICATION IS "A" ) MOBILE HOME PARK SUBAREA LOSS RATE, Fm(INCH/HR) = .2425 I SUBAREA AREA(ACRES) = EFFECTIVE AREA(ACRES) = 4 4.00 2 .80 SUBAREA RUNOFF(CFS) = 15.05 AVERAGED Fm(INCH/HR) 649 ' = . TOTAL AREA(ACRES) = 42.80 I K PEA FLOW RATE(CFS) = 145.37 TC(MIN) = 13.91 ( II ********* *** ***** * * **** ** ** ***** ****** ****** ****+* *** ** ***** ************** | ^ ~ _ II >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<<< ---- =_=_==== ___=_____=======-===_____==______=================y=/_ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: -- -- E TIME OF CONCENTRATION(MINUTES) = 13.91 RAINFALL INTENSITY (INCH./HOUR) = 4.42 EFFECTIVE STREAM AREA(ACRES) = 42.80 ^ TOTAL STREAM AREA(ACRES) = 42 80 0� PEAK FLOW RATE(CFS) AT CONFLUENCE = 145.37 I: ************************************************************************** FLOW PROCESS FROM NODE 8.00 TO NODE 9.00 IS CODE = 2 I: >>>>> -RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ---- ___ _ _ __ ____========== NATURAL POOR COVER TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 -- INITIAL SUBAREA FLOW-LENGTH = 1200.00 UPSTREAM ELEVATION = 1950.00 DOWNSTREAM ELEVATION = 1815.00 �� ELEVATION DIFFERENCE = 135.00 TC = .525*[( 1200.00** 3.00)/( 135.00)]** .20 = 13.855 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.436 C SOIL CLASSIFICATION IS "A" NATURAL POOR COVER "BARREN" SUBAREA LOSS RATE, Fm(INCH/HR) = .4100 SUBAREA RUNOFF(CFS) = 16.67 ^ I: TOTAL AREA(ACRES) = 4.60 PEAK FLOW RATE(CFS) = 16.67 ****************************************************************** 0' FLOW PROCESS FROM NODE 9.00 TO NODE 7.00 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<< m: - USING USER-SPECIFIED PIPESIZE<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 9.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.3 11 40 PSTREAM NODE ELEVATION = 1815. 0 DOWNSTREAM NODE ELEVATION = 1712.00 FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 �� PIPEFLOW THRu SUBAR�A(CFS> � �6'67 TRAVEL TIME(MIN.) = 1.53 TC(MIN.) = 15.39 II ****************** ****************************************************** *** - FLOW PROCESS FROM NODE 7.00 TO NODE 7.00 IS CODE = 8 II >>> >> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< _____ _____ _ _ = _______ -------=== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.122 I SOIL CLASSIFICATION IS "A" RESIDENTIAL-' 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE. Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 23.60 SUBAREA RUNOFF(CFS) = 75.19 EFFECTIVE AREA(ACRES) = 28.20 I AVERAGED Fm(INCH/HR) = .554 TOTAL AREA(ACRES) = 28.20 PEAK FLOW RATE(CFS) = 90.55 II TC(MIN) = 15.39 ***************************** 01 FLOW PROCESS FROM NODE 7.00 TO NODE 7.00 IS CODE = 1 ~ " / ' - '--------------------- I DESlGNATE lEEHDENT 5TEM FOR >>>>��AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<<(< 13 I ' ========================================================= IR ~ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: �� TIME OF CONCENTRATION(MINUTES) = 15.39 RAINFALL INTENSITY (INCH./HOUR) = 4.12 EFFECTIVE STREAM AREA(ACRES) = 29.20 TOTAL STREAM AREA(ACRES) = 28.20 �� PEAK FLOW RATE(CFS) AT CONFLUENCE = 90.55 CONFLUENCE INFORMATION: �� STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) _____ I 1 145.37 13.91 4.423 .65 ^ 42 80 2 90.55 15.39 4'122 .55 2820 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. -- SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) _~ 1 234.16 68.29 2 224.31 71.0O C COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 234.16 TIME(MINUTES) = 13.911 EFFECTIVE AREA(ACRES) = 68.29 TOTAL AREA(ACRES) = 71.00 ****************************** FLOW PROCESS FROM NODE 7.00 TO NODE 10.00 18 CODE = 4 �� >>>> -COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<< >>>>>USING USER-SPECIFIED PIPESIZE 0: ====--- ---=== -----------=-------= ==========--- ---= PIPEFLOW VELOCITY(FEET/SEC.) = 24.3 UPSTREAM NODE ELEVATION = 1712.00 r il ° DOWNSTREAM NODE ELEVATION = 17'". 00 " FLOWLENGTH(FEET) = 150.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 234.16 �� TRAVEL TIME(MIN.) = .10 TC(MIN.) = 14.01 �� ************************************************************************ �� FLOW PROCESS FROM NODE 10.00 TO NODE 10.00 IS CODE = 1 ' >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUEN _ E<<< --- I _-_______=_ _ _ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION(MINUTES) = 14.01 �� RAINFALL INTENSITY (INCH./HOUR) = 4.40 U� �� EFFECTIVE STREAM AREA(ACRES) = 68.29 TOTAL STREAM AREA(ACRES) = 71.00 -~ PEAK FLOW RATE(CFS) AT CONFLUENCE = 234.16 ********************* FLOW PROCESS FROM NODE 11.00 TO NODE 12.00 IS CODE = 2 II | >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS << _________________________________________________________________________ 11 NATURAL POOR COVER A _ _ ~ TC = �+[ T * 3.00)/(ELEVAION CHANGE)]** 20 I INITIAL SUBAREA FLOW-LENGTH = 540.00 ^ �z �� ! UPSTREAM ELEVATION = 1955.00 '' ' ' DOWNSTREAM ELEVATION = 1875.00 . ELEVATION DIFFERENCE = G0 00 �� TC = .525*[( 540.00** 3.00)/( 80.00)]** .20 = 9.527 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.765 ^ SOIL CLASSIFICATION IS "A" C NATURAL POOR COVER "BARREN" SUBAREA LOSS RATE, Fm(INCH/HR) = 41 SUBAREA RUNOFF(CFS) = 44.34 ^ TOTAL AREA(ACRES) = 9.20 PEAK FLOW RATE(CFS) = 44.34 , ******************************** FLOW PROCESS FROM NODE 12.00 TO NODE 13.00 IS CODE = 4 ' m� >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA' <<< >> >>>USING USER-SPECIFIED PIPESIZE<<< �� _ i �� DEPTH OF FLOW IN 27.0 INCH PIPE IS 12.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 25.4 UPSTREAM NODE ELEVATION = 1875.00 E DOWNSTREAM NODE ELEVATION = 1810.00 FLOWLENGTH(FEET) = 560.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 E PIPEFLOW THRU SUBAREA(CFS) = .37 44 34 TRAVEL TIME(MIN.) = 37 TC(MI m. ) = 9 , 90 I I: *************************************************************************** FLOW PROCESS FROM NODE 13.00 TO NODE 13.00 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW °� �� ====== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.614 SOIL CLASSIFICATION IS "A" 1: NATURAL POOR COVER "BARREN" SUBAREA LOSS RATE, Fm(INCH/HR) = .4100 SUBAREA AREA(ACRES) = 13.50 SUBAREA RUNOFF(CFS) = 63.23 ^ EFFECTIVE AREA(ACRES) = 22.70 ^ �~ AVERAGED Fm(INCH/HR) = .410 1 �� �� TOTAL AREA(ACRES) = 22.70 PEAK FLOW RATE(CFS) = 106.33 1: TC(MIN) = 9.90 ***************************************************************************- _ FLOW PROCESS FROM NODE 13.00 TO NODE 14.00 IS CODE = 4 i >>> , COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<< >> >- , 'USING USER-SPECIFIED PIPESIZE<<<<< -- PIPEFLOW VELOCITY(FEET/SEC.) = 26.7 ~ UPSTREAM NODE ELEVATION = 1810.00 II DOWNSTREAM NODE ELEVATION = 1716.00 N� FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 | GIVEN PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 106.33 I .81 . . TRAVEL TIME(MIN.) = 81 TC(MIN ) = 1O 71 **** � ***************** *�**************�********************************* ***A II FLOW PROCESS FROM NODE 14.00 TO NODE 14.00 IS CODE = 8 > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< �� �� - ===============_______ - | - �^ - I S C OIL LASSlFICATION IS "A" ~ RESIDENTIAL-> 3-4 D�ELLINGS/ACRE SU8AREA LOSS RATE Fm( \J ' 3 , INCH/HR) = 5820 SUBAREA AREA(ACRES) = 14.00 l4 90 SUBAREA RUNOFF(CFS) = -�-�� ^ o3.45 EFFECTIVE AREA(ACRES) = 37.60 I: AVERAGED Fm(INCH/HR) = .478 TOTAL AREA(ACRES) = 37.60 PEAK FLOW RATE(CFS) = 163.63 E TC(MIN) = 10.71 � ****************** C FLOW PROCESS FROM NODE 13.10 TO NODE 14.00 IS CODE = 8 _ >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW . �u =====-----=-- - ---- - ------- ----- ---- ==_---_�-_ _____�� �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.314 --- SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 C SUBAREA AREA(ACRES) = 32.00 SUBAREA RUNOFF(CFS) = 136.27 EFFECTIVE AREA(ACRES) = 69.60 AVERAGED Fm(INCH/HR) = .526 TOTAL AREA(ACRES) = 69.60 1 PEAK FLOW RATE(CFS) = 299.90 TC(MIN) = 10.71 _- ******************************** ***** FLOW PROCESS FROM NODE 14.00 TO NODE 10.00 IS 1CODE = 4 �r - - - ----- �� COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE _ C PIPEFLOW VELOCITY(FEET/SEC. ) = 23.9 UPSTREAM NODE ELEVATION = 1716.00 DOWNSTREAM NODE ELEVATION = 1706.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 C GIVEN PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 299.90 TRAVEL TIME(MIN.) = .28 TC(MIN.) = 10.98 [I: 7 ***************************** FLOW PROCESS FROM NODE 10.00 TO NODE 10.00 IS CODE = 1 C 1 >>> >>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<< >> >>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES << I _ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 10.98 RAINFALL INTENSITY (INCH./HOUR) = 5.22 I EFFECTIVE STREAM AREA(ACRES) = 69.60 TOTAL STREAM AREA(ACRES) = 69.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 299.90 II CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE I NUMBER RATE(CFS (MIN.) (INCH/HOUR) (IN /HR) AREA( RES) -- 1 234.16 14.01 4.401 .61 68.29 2 299.90 10.98 5.219 .53 69.60 NI RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: I STREAM CONFLUENCE EFFECTIVE __ - - -_- - ~~ l 481.79 137,39 � [i 2 523.09 123.13 11 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 523.09 TIME(MINUTES) = 10.985 EFFECTIVE AREA(ACRES) = 123.13 1: TOTAL AREA(ACRES) = 140.60 ********************** FLOW PROCESS FROM NODE 10.00 TO NODE 15.00 IS CODE = 4 - >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<< >>>>> USING USER-SPECIFIED PIPESIZE �� __= m� PIPEFLOW VELOCITY(FEET/SEC.) = 32.9 UPSTREAM NODE ELEVATION = 1706.00 DOWNSTREAM NODE ELEVATION = 1630.00 [140 FLOWLENGTH(FEET) = 1550.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 523.09 TRAVEL TIME(MIN.) = .79 TC(MIN.) = 11.77 . ************************************************************************* FLOW PROCESS FROM NODE 19.00 TO NODE 15.00 IS CODE = 8 >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW- < <<< 1 4 i ======= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.972 SOIL CLASSIFICATION IS "A" RESIDENTIAL-, 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm = .4850 1140 SUBAREA AREA(ACRES) = 29.7O SUBAREA RUNOFF(CFS) = 119.94 EFFECTIVE AREA(ACRES) = 152.83 AVERAGED Fm(INCH/HR) = .549 TOTAL AREA(ACRES) = 170.30 PEAK FLOW RATE(CFS) = 608.46 TC(MIN) = 11.77 � ' � -_ ******************************************************************* FLOW PROCESS FROM NODE 15.00 TO NODE 16.00 IS CODE = 4 �� m� >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA„ >> >>>USING USER-SPECIFIED PIPESIZE< PIPEFLOW VELOCITY(FEET/SEC.) = 38.3 V� UPSTREAM NODE ELEVATION = 1630.00 DOWNSTREAM NODE ELEVATION = 1590.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 608.46 TRAVEL TIME(MIN.) = .26 TC(MIN.) = 12.03 ***************************************************************************~ FLOW PROCESS FROM NODE 17.00 TO NODE 16.00 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW = =____ - __________==______ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.896 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 39.30 SUBAREA RUNOFF(CFS) = 156.03 EFFECTIVE AREA(ACRES, = 192.13 ° . 11 TUTAL AREA(ACRES) = 209.60 PEA FLOW RATE(CFS) = 759.06 . 2 3 TC(MIN) = 12.03 > �7 t 3 **************************************** �� FLOW PROCESS FROM NODE 18.00 TO NODE 16.00 IS CODE = 8 _ ~� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ======________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.896 �� SOIL CLASSIFICATION IS "A" SCHOOL SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 15.00 SUBAREA RUNOFF(CFS) = 58.24 EFFECTIVE AREA(ACRES) = 207.13 �� AVERAGED Fm(INCH/HR) = .539 TOTAL AREA(ACRES) = 224.60 PEAK FLOW RATE(CFS) = 812.30 TC(MIN) = 12.03 ********************************************* �� FLOW PROCESS FROM NODE 16.00 TO NODE 20.00 IS CODE = 4 >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA C >>>>>USING USER-SPECIFIED PIPESIZE<< ===. PIPEFLOW VELOCITY(FEET/SEC.) = 37.5 11; UPSTREAM NODE ELEVATION = 1590.00 DOWNSTREAM NODE ELEVATION = 1573.00 FLOWLENGTH(FEET) = 430.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 63. NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 81 2.30 TRAVEL TIME(MIN.) = .19 TC(MIN.) = 12.22 *************************************************************************** FLOW PROCESS FROM NODE 17.10 TO NODE 20.00 IS CODE = 8 � >>> -,ADDITION OF SUBAREA TO MAIN�INE PEAK FLOW <<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.843 11; SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE. Fm(INCH/HR) = .0970 SUBAREA AREA(ACRES) = 8.20 SUBAREA RUNOFF(CFS) = 35.02 EFFECTIVE AREA(ACRES) = 215.33 I AVERAGED Fm(INCH/HR) = .522 TOTAL AREA(ACRES) = 232 80 . PEAK FLOW RATE(CFS) = 837.32 TC(MIN) = 12.22 ********************************* FLOW PROCESS FROM NODE 20.00 TO NODE 23.00 IS CODE = 4 �m ! --- - - - - - >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA >>>>> USING USER-SPECIFIED PIPESIZE<<<< �� _________________=______ __ ____===== PIPEFLOW VELOCITY(FEET/SEC.) = 32.2 UPSTREAM NODE ELEVATION = 1573.00 N� DOWNSTREAM NODE ELEVATION = 1545.00 FLOWLENGTH(FEET) = 900.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 837.32 �� TRAVEL TIME(MIN. ) = .47 TC(MIN.) = 12.69 ° ` I ************* FLOW PROCESS FROM NODE 23.00 TO NODE 23.00 IS CODE = 1 13 (]� \ \ 0: >>>> INDEPENDENT STREAM FOR CONFLUENCE, << CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION(MINUTES) = 12.69 �� RAINFALL INTENSITY (INCH./HOUR) = 4.72 EFFECTIVE STREAM AREA(ACRES) = 215.33 TOTAL STREAM AREA(ACRES) = 232.80 �� PEAK FLOW RATE(CFS) AT CONFLUENCE = 837.32 ******************************** 0� FLOW PROCESS FROM NODE 21.00 TO NODE 24.00 IS CODE = 2 >>>>> RATIONAL METHOD INITIAL SUBAREA ANALYSIS I: _ =_____ ______ NATURAL POOR COVER TC = K*E(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 N� INITIAL SUBAREA FLOW-LENGTH = 430.00 UPSTREAM ELEVATION = 1585.00 DOWNSTREAM ELEVATION = 1575.00 ELEVATION DIFFERENCE = 10.00 �� TC = .525*[( 430.00** 3.00)/( 10.00)3** .20 = 12.596 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.742 li SOIL CLASSIFICATION IS "A" NATURAL POOR COVER "BARREN" SUBAREA LOSS RATE, Fm( INCH/HR) = .4100 SUBAREA RUNOFF(CFS) = 37.82 TOTAL AREA(ACRES) = 9.70 PEAK FLOW RATE(CFS) = 37.82 11 ************************************************************* l i FLOW PROCESS FROM NODE 24.00 TO NODE 23.00 IS CODE = 4 >>>> 'COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >> >>>USING USER-SPECIFIED PIPESI�E<<<< 7 _ - _ -- PIPEFLOW VELOCITY(FEET/SEC.) = 12.0 UPSTREAM NODE ELEVATION = 1575.00 DOWNSTREAM NODE ELEVATION = 1545.00 �� FLOwLEwGTH<FEET> = 1400.00 MANNINGS N = .013 { GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF FIFES = 1 PIPEFLOW THRU SUBAREA(CFS) = 37.82 TRAVEL TIME(MIN.) = 1.94 TC(MIN.) = 14.53 �� ************************************************************* �� FLOW PROCESS FROM NODE 23.00 TO NODE 23.00 IS CODE = 8 ,s ADDITION OF SUBAREA TO MAINLINE PEAK FLOW s, �� ___ _ ==== = _____ v� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.290 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 �� SUBAREA AREA(ACRES) = 20.90 SUBAREA RUNOFF(CFS) = 71.57 EFFECTIVE AREA(ACRES) = 30.60 li AVERAGED Fm(INCH/HR) = .461 N TOTAL AREA(ACRES) = 30.60 �� PEAK FLOW RATE(CFS) = 105.43 TC(MIN) = 14.53 � ~ - �� FLOH PROCESS F NODE 2,-).0u TO NODE 23 00 IS CODE = 1 r5 150 m� ^ / �/ )>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<< ----- C CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.53 RAINFALL INTENSITY (INCH./HOUR) = 4.29 C EFFECTIVE STREAM AREA(ACRES) = 30.60 TOTAL STREAM AREA(ACRES) = 30.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 105.43 1: ******* FLOW PROCESS FROM NODE 22.00 TO NODE 25.00 IS CODE = 2 E >>>> -RATIONAL METHOD INITIAL SUBAREA ANALYSIS =======______===____= _____=__ ___======________=================__ I: NATURAL POOR COVER TC = K*E(LENGTH** 3.00>/(ELEVATION CHANGE}]** .20 INITIAL SUBAREA FLOW-LENGTH = 480.00 �� UPSTREAM ELEVATION = 1600.00 �� _- DOWNSTREAM ELEVATION = 1577.00 ELEVATION DIFFERENCE = 23.00 TC = .525*[( 480.00** 3.00)/( 23.00)]** .20 = 11.391 C 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.088 SOIL CLASSIFICATION IS "B" NATURAL POOR COVER "BARREN" SUBAREA LOSS RATE, Fm■INCH/HR) = .2700 11; SUBAREA RUNOFF(CFS) = 26.O1 TOTAL AREA(ACRES) = 6.00 PEAK FLOW RATE(CFS) = 26.01 C ******************************************************* FLOW PROCESS FROM NODE 25.00 TO NODE 23.00 IS CODE = 4 >>> >>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA< ": >>>>>USING USER-SPECIFIED PIPESIZE ==== __=__ ___ ___ ___ ___ ___ PIPEFLOW VELOCITY(FEET/SEC.) = 14.7 C " . UPSTREAM NODE ELEVATION = 1577 0 DOWNSTREAM NODE ELEVATION = 1545.00 FLOWLENGTH(FEET) = 800,00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 1: PIPEFLOW THRU SUBAREA(CFS) = 2b.01 TRAVEL TIME(MIN.) = .91 TC(MIN.) = 12.30 -_ ************************************************************************** FLOW PROCESS FROM NODE 23.00 TO NODE 23.00 IS CODE = 8 II >>> >> -ADDITION OF SUBAREA TO MAINLINE PEAK FLOW„,, ====_ ___ __________ _ ___ _ ____ __= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.822 I I SOIL CLASSIFICATION IS "A" APARTMENTS SUBAREA LOSS RATE, Fm(INCH/HR) = .1940 SUBAREA AREA(ACRES) = 12.60 SUBAREA RUNOFF(CFS) = 52.48 EFFECTIVE AREA(ACRES) = 18.60 AVERAGED Fm(INCH/HR) = .219 �� TOTAL AREA(ACRES) = 18.60 PEAK FLOW RATE(CFS) = 77.07 NI TC(MIN) = 12.30 **************** I FLOW PROCESS FROM NODE 23. TO NODE 23.00 IS CODE = 1 ' ~ -- I �>>>> DESI6N�TE I��DEPENDENT STR FOR CONF LUENCE >>>>> COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<<<< \� |�\ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE I TIME OF CONCENTRATION(MINUTES) = 12.30 RAINFALL INTENSITY (INCH./HOUR) = 4.82 EFFECTIVE STREAM AREA(ACRES) = 18.60 TOTAL STREAM AREA(ACRES) = 18.60 N� PEAK FLOW RATE(CFS) AT CONFLUENCE = 77.07 CONFLUENCE INFORMATION: N� STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 0� � 1 837.32 12.69 4.718 .52 215.33 � -_ 2 105.43 14.53 4.290 .46 30.60 3 77.07 12.30 4.822 .22 18.60 I: RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: �� STREAM CONFLUENCE EFFECTIVE �� �� NUMBER Q(CFS) AREA(ACRES) 1 1014.96 260.65 C 2 925.46 264.53 3 1010.40 253.18 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1014.96 TIME(MINUTES) = 12.688 II EFFECTIVE AREA(ACRES) = 260.65 TOTAL AREA(ACRES) = 282.00 E *************************************** ** ******** * ************************* FLOW PROCESS FROM NODE 23.00 TO NODE 23.10 IS CODE = 4 �� N� >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<< >>>> 'USING USER-SPECIFIED PIPESIZE< . li PIPEFLOW VELOCITY(FEET/SEC > = �. 8 4 = UPSTREAM NODE ELEVATION = 1545.00 ____=____ DOWNSTREAM NODE ELEVATION = 1533.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 li GIVEN PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1014.96 TRAVEL TIME(MIN.) = .41 TC(MIN.) = 13.10 *********************** FLOW PROCESS FROM NODE 27.00 TO NODE 23.10 IS CODE = 8 II >>>> >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW- << _________ _________ _ _______ _ _ _ _______ _______ I 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.614 SOIL CLASSIFICATION IS "B" PUBLIC PARK SUBAREA LOSS RATE, Fm(INCH/HR) = .6375 11 SUBAREA AREA(ACRES) = EFFECTIVE AREA(ACRES) = 266. 5.90 55 SUBAREA RUNOFF(CFS) = 21.11 AVERAGED Fm(INCH/HR) = .497 TOTAL AREA(ACRES) = 287.90 N� PEAK FLOW RATE(CFS) = 1014.96 �� TC(MIN) = 13.10 ************* �� ~ ` II ________ />>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< 1 ' L- _________ _ _______=______ C 100 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 4.614 SOIL CLASSIFICATION IS "B" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0750 SUBAREA AREA(ACRES) = 5.50 SUBAREA RUNOFF(CFS) = 22.47 EFFECTIVE AREA(ACRES) = 272.05 m� AVERAGED Fm(INCH/HR} = .489 TOTAL AREA(ACRES) = 293.40 �� PEAK FLOW RATE(CFS) = 1014.96 �� °� TC(MIN) = 13.10 ************************************ * * * * ******************* * *** �� FLOW PROCESS FROM NODE 23.10 TO NODE 26.00 IS CODE = 4 >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA E >>>>> USING USER-SPECIFIED PIPESIZE<< PIPEFLOW VELOCITY(FEET/SEC.) = 26.4 i m i UPSTREAM NODE ELEVATION = 1533.60 DOWNSTREAM NODE ELEVATION = 1532.00 FLOWLENGTH(FEET) = 100.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 84. NUMBER OF PIPES = 1 �� PIPEFLOW THRU SUBAREA(CFS) = 1 TRAVEL TIME(MIN.) = .06 TC(MIN.) = 13.16 ~; ****************************************************** FLOW PROCESS FROM NODE 26.00 TO NODE 26.00 IS CODE = 1 I: >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE 11; TIME OF CONCENTRATION(MINUTES) = 13.16 RAINFALL INTENSITY (INCH./HOUR) = 4.60 EFFECTIVE STREAM AREA(ACRES) = 272.05 TOTAL STREAM AREA(ACRES) = 293.40 �� �� PEAK = � FLOW RATE(CFS) AT CONFLU N� . = 1O14 96 � *************************** �� FLOW PROCESS FROM NODE 30.00 TO NODE 29.00 IS CODE = 2 > >>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< I _ ___=_ _===______=== ________= DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE I TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .2O INITIAL SUBAREA FLOW-LENGTH = 2100.00 UPSTREAM ELEVATION = 1580.00 DOWNSTREAM ELEVATION = 1539.00 ELEVATION DIFFERENCE = 41.00 v� TC = .389*[( 2100.00** 3.00)/( 41.00)]** .20 = 18.227 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.661 SOIL CLASSIFICATION IS "A" �� RESIDENTIAL- > 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA RUNOFF(CFS) = 39.16 TOTAL AREA(ACRES) = 13.70 PEAK FLOW RATE(CFS) = 39.16 II ************************** *************************************************+ 1/ FLOW PROCESS FROM NODE 29.00 TO NODE 26.00 IS CODE = 4 -- - -- - --- - -- - -- - - - -- -- � . ` . USING USER-SPECIFIED PIPESIZE\<�<< �� ` ]° PIPEFLOW VELOCITY(FEET/SEC.) = 8.0 0� UPSTREAM NODE ELEVATION = 1539.00 m� DOWNSTREAM NODE ELEVATION = 1532.00 FLOWLENGTH(FEET) = 800.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 30.0 NUMBER OF FIFES = 1 N� PIPEFLOW THRU SUBAREA(CFS) = 3 9.16 ~� TRAVEL TIME(MIN.) = 1.67 TC(MIN.) = 19.90 I; *********************************************************************** FLOW PROCESS FROM NODE 26.10 TO NODE 26.00 IS CODE = 8 0� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.443 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA AREA(ACRES) = 3.50 SUBAREA RUNOFF(CFS) = 10.54 EFFECTIVE AREA(ACRES) = 17.20 N� AVERAGED Fm(INCH/HR) = .406 TOTAL AREA(ACRES) = 17.20 PEAK FLOW RATE(CFS) = 47.01 TC(MIN) = 19.90 ******************************* �� FLOW PROCESS FROM NODE 26.00 TO NODE 26.00 IS CODE = 1 N� >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 19.90 RAINFALL INTENSITY (INCH./HOUR) = 3.44 EFFECTIVE STREAM AREA(ACRES) = 17.20 TOTAL STREAM AREA(ACRES) = 17.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 47.01 **************************************************************************^ FLOW PROCESS FROM NODE 14.00 TO NODE 33.00 IS CODE = 2 I >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<< < DEVELOPMENT IS COMMERCIAL TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 1900.00 UPSTREAM ELEVATION = 1716.00 DOWNSTREAM ELEVATION = 1610.00 ELEVATION DIFFERENCE = 106.00 TC = .304*[( 1900.00** 3.00)/( 106.00)7** .20 = 11.093 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.183 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA RUNOFF(CFS) = 12.82 N� TOTAL AREA(ACRES) = 2.80 PEAK FLOW RATE(CFS) = 12.82 0� ************ FLOW PROCESS FROM NODE 31 .00 TO NODE 33.00 IS CODE = 8 ' >�>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<< °~ ~ N� ;OIL CLASSIFI2AT,ON I5 "A" RESIDENTIAL- > 3-4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .582S SUBAREA AREA(ACF-ES) = 33.50 SUGAREA RUNOFF(CFS) = 138.71 EFFECTIVE AREA(ACRES) = 36.30 AVERAGED Fm(INCH/HR) = .545 TOTAL AREA(ACRES) = 36.30 PEAK FLOW RATE(CFS) = 151'53 N� TC(MIN) = 11.09 N� ****************** FLOW PROCESS FROM NODE 33.00 TO NODE 34.00 IS CODE = 4 >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA I >>>>>USING USER-SPECIFIED PIPESIZE<<< PIPEFLOW VELOCITY(FEET/SEC.) = 21.4 UPSTREAM NODE ELEVATION = 1610.00 �� DOWNSTREAM NODE ELEVATION = 1590.00 FLOWLENGTH(FEET) = 430.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = � 36. NUMBER OF PIPES = 1 N� PIPEFLOW THRU SUBAREA(CFS) = 36.1.53 NUMBER TRAVEL TIME(MIN.) = .33 TC(MIN.) = 11.43 ************************************************** FLOW PROCESS FROM NODE 34.00 TO NODE 35.00 IS CODE = 4 0� >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ~� >>>>> USING USER-SPECIFIED PIPESIZE<< ======== __________ PIPEFLOW VELOCITY(FEET/SEC.) = 21.4 UPSTREAM NODE ELEVATION = 1590.00 DOWNSTREAM NODE ELEVATION = 1553.00 FLOWLENGTH(FEET) = 850.00 MANNINGS N = .013 N� GIVEN PIPE DIAMETER(INCH) = 36. NUMBER OF PIPES = 1 N� PIPEFLOW THRU SUBAREA(CFS) = 15 1.53 TRAVEL TIME(MIN.) = .66 TC(MIN.) = 12.09 *************************************************************************** FLOW PROCESS FROM NODE 34.20 TO NODE 35.00 IS CODE = 8 0� ------ - - > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< _ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.880 N� SOIL CLASSIFICATION IS "A" RESIDENTIAL > 11+ DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .1940 ( SUBAREA AREA(ACRES) = 16.20 SUBAREA RUNOFF(CFS) = 68.33 EFFECTIVE AREA(ACRES) = 52.50 AVERAGED Fm(INCH/HR) = .436 TOTAL AREA(ACRES) = 52.50 PEAK FLOW RATE(CFS) = 209.97 TC(MIN) = 12.09 ***************************************************************************_ FLOW PROCESS FROM NODE 35.00 TO NODE 26.00 IS CODE = 4 >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA N� >>>>> USING USER-SPECIFIED PIPESIZE< PIPEFLOW VELOCITY(FEET/SEC.) = 21.8 UPSTREAM NODE ELEVATION = 1553.00 �� DOWNSTREAM NODE ELEVATION = 1532.00 ' ^ � /o� oo l�m��� n = . °,. N� ���w����|�����|/ = ^ ' ` N� GIVEN PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 •"7-7'0 PIPEFLOW THRU SUBAREA(CFS> = 209.97 ' - w= N TRAVEL TIME(MIN.) = .53 TC(MI') = 12.62 **************************************************************************** FLOW PROCESS FROM NODE 35'00 TO NODE 26.00IS CODE =8 ____ II __ >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<=== ____ __=________ ____===___ li 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.735 SOIL CLASSIFICATION IS "A" Ni COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA AREA(ACRES) = 2.7 SUBAREA RUNOFF(CFS) = 11'27 EFFECTIVE AREA(ACRES) = 55 AVERAGED Fm(INCH/HR) = .420 TOTAL AREA(ACRES) = 55.20 E PEAK FLOW RATE(CFS) = 214.36 TC(MIN) = 12.62 ** �� ************************** 26 00 TO NODE 26 00 IS CODE = 1 FLOW PROCESS FROM NODE . . >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE C >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<<< ======== ! _ ----========----- --====--------== --- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: I TIME OF CONCENTRATION(MINUTES) = 12.62 RAINFALL INTENSITY (INCH./HOUR) = 4.73 EFFECTIVE STREAM AREA(ACRES) = 55.20 TOTAL STREAM AREA(ACRES) = 55.20 0� PEAK FLOW RATE(CFS) AT CONFLUENCE = 214.36 CONFLUENCE INFORMATION:ME INTENSITY FM EFFECTIVE N1 STREAM PEAK FLOW (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) NUMBER RATE(CFS) n� . .49 272 05 2 47 1 1014.96 13.16 A.598 . . II ^ 3 443 41 17,20 47.01 19.90 . . ^ 4 735 .42 55.20 214 36 12 62 . . 3 ^ ^ ' '-- � RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO =� CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE I NUMBER Q(CFS) AREA(ACRES) 1 1265.46 338.62 I 2 926.84 344.45 | 3 1262.61 327.01 COMPUTED CONFLUENCE TIME(MINUTES) = 13.162 A 1265 PEAK FLOW RATE(CFS) = 1265.46 I EFFECTIVE AREA(ACRES) = 338.62 ( TOTAL AREA(ACRES) = 365.80 II ********** ****************************** *********************************** FLOW PROCESS FROM NODE 26.00 TO NODE 36.10 IS CODE = 4 I >>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<< >>> USER-SPECIFIED PIPESIZE ===___========= _______========__ PIPEFLOW VELOCITY(FEET/SEC') = 28'6 1 TpE=� mOTE EL E YA TION = 1532.00 N� FLJ�LENGTH = 480.0O dA�NlNGS N = .013 � � ~~ - GIVEN PIPE DIAMETER(INCH) = 90.00 NUMBER OF PIPES = 1 / Y PIPEFLOW THRU SUBAREA(CFS) = 1265.46 TRAVEL TIME(MIN.) = .28 TC(MIN.) = 13.44 �*.4, 1: FLOW PROCESS FROM NODE 37.10 TO NODE 36.10 18 CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW N� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.531 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 16.60 SUBAREA RUNOFF(CFS) = 60.45 EFFECTIVE AREA(ACRES) = 355.22 AVERAGED Fm(INCH/HR) = .475 TOTAL AREA(ACRES) = 382.40 U� ~ - PEAK FLOW RATE(CFS) = 1296.57 TC(MIN) = 13.44 ************ FLOW PROCESS FROM NODE 36.10 TO NODE 36.00 IS CODE = 4 C COMPUTE PIPEFLOW TRA THRU SUBAREA >>>>> USING USER-SPECIFIED PIPESIZE N� PIPEFLOW VELOCITY(FEET/SEC. ) = 31.4 UPSTREAM NODE ELEVATION = 1525.00 DOWNSTREAM NODE ELEVATION = 1506.00 FLOWLENGTH(FEET) = 950.00 MANNINGS N = .013 C GIVEN PIPE DIAMETER( INCH) = 87.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1296.57 TRAVEL TIME(MIN.) = .50 TC(MIN.) = 13.95 ******* FLOW PROCESS FROM NODE 26.00 �O NODE 36.00 IS CODE = 8 . � . >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< N� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.416 i� SOIL CLASSIFICATION IS ^A^ COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA AREA(ACRES) = 3.40 SUBAREA RUNOFF(CFS = 13.22 N� EFFECTIVE AREA(ACRES) = 358.62 AVERAGED Fm(INCH/HR) = .472 TOTAL AREA(ACRES) = 385.80 I PEAK FLOW RATE(CFS) = 1296.57 TC(MIN) = 13.95 N� ************ m� FLOW PROCESS FROM NODE 37.00 To NODE 36.00 IS CODE = 8 N� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< m� ========-------------- - --- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.416 SOIL CLASSIFICATION IS "A" @� RESIDENTIAL- > 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 23.50 SUBAREA RUNOFF(CFS) = 83.13 EFFECTIVE AREA(ACRES) = 382.12 AVERAGED Fm(INCH/HR) = .473 N� TOTAL AREA(ACRES) = 4O9.30 .. _. TC�MIN) = 13 95 + ' ~ } ********************************************* �m FLOW PROCESS FROM NODE 36.00 TO NODE 36.00 IS CODE = 1 >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE N� ============== = CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.95 RAINFALL INTENSITY ( INCH./HOUR) = 4.42 EFFECTIVE STREAM AREA(ACRES) = 382.12 TOTAL STREAM AREA(ACRES) = 409.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1356.07 ************************* �� FLOW PROCESS FROM NODE 40.00 TO NODE 39.00 IS CODE = 2 ~~ __ >>>>> RATIONAL METHOD INITIAL SUBAREA ANALYSIS << = DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = *[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 1600.00 UPSTREAM ELEVATION = 1550.00 DOWNSTREAM ELEVATION = 1518.00 ELEVATION DIFFERENCE = 32.00 TC = .389*[ ( 1600.00** 3.00}/( 32.00)3** .20 = 16.270 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.964 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 �� SUBAREA RUNOFF(CFS) = 72.64 TOTAL AREA(ACRES) = 23.20 PEAK FLOW RATE(CFS) = 72.64 ******************************************* FLOW PROCESS FROM NODE 39.00 TO NODE 36.00 IS CODE = 4 >> >>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<<< >>>>> USING USER-SPECIFIED PIPESIZE ___________===_ = _ _ �� PIPEFLOW VELOCITY(FEET/SEC.) = 12.2 �� UPSTREAM NODE ELEVATION = 1518.00 DOWNSTREAM NODE ELEVATION = 1506.00 FLOWLENGTH(FEET) = 1100.00 MANNINGS N = .013 GIVEN PIPE DIAMETER( INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 72.64 I/ TRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 17.77 ****************************************** FLOW PROCESS FROM NODE 36.00 TO NODE 36.00 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< _____________=====_ ========== 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.727 SOIL CLASSIFICATION IS "B" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .3750 SUBAREA AREA(ACRES) = 23.30 SUBAREA RUNOFF(CFS) = 70.29 EFFECTIVE AREA(ACRES) = 46.50 �� AVERAGED Fm( INCH/HR) = .430 TOTAL AREA(ACRES) = 46.50 N� � PEAK FLOW RATE(CFS) = 137.98 � �� TC(MIN) = 17.77 �- ° I . ' ~ A..t..i,, i-..,4 PROCESS FROM A( )L 36.00 TO NODE 36.00 IS CODE = 1 I -- >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE >>>>> COMPUTE VARIOUS CONFLUENCED STREAM VALUES 11; CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.77 E RINFALL INTENSITY (INCH./HOUR) = 3.73 EFFECTIVE STREAM AREA(ACRES) = 4650 TOTAL STREAM AREA(ACRES) = 46.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 137.98 CONFLUENCE INFORMATION: -- STREAM PEAK FLOW TIME INTENSITY FM EFFECTI NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) C 1 1356.07 13.95 4.416 .47 382.12 2 137.98 17.77 3.727 .43 46.50 I RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE I NUMBER Q(CFS) AREA(ACRES) . _ 1 1486.98 418.62 I 2 1257. 14 428.62 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1486.98 TIME(MINUTES) = 13.946 EFFECTIVE AREA(ACRES) = I TOTAL AREA(ACRES) = 455.80 I FLOW PROCESS FROM NODE 36.00 TO NODE 41.00 IS CODE = 4 >> >>>COMPUTE PIPEFLOW TRAVELTIME, THRU SUBAREA <<<<< II >>>>>USING USER-SPECIFIED PIPES= <<< _______ _________======_____-____=__________=_____=_____�====-___= PIPEFLOW VELOCITY(FEET/SEC.) = 33.7 I UPSTREAM NODE ELEVATION = 1506.00 DOWNSTREAM NODE ELEVATION = 1503.00 FLOWLENGTH(FEET) = 150.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 90.0O NUMBER OF PIPES = 1 0� PIPEFLOW THRU SUBAREA(CFS) = 1486.98 �� TRAVEL TIME(MIN.) = .07 TC(MIN.) = 14'02 �.---- Dry it II * ******************************************************************** ****** ' FLOW PROCESS FROM NOD= 36.00 TO NODE / .00 IS CODE = 3 -- N� >>>>> COMPUTE PIPEFLOW TRA` !TIME THRU S �AREA <<<<< v� >>>>> USING COMPUTER-ESTIMAT^w PIPESIZF (NON-PRESSURE FLOW) <<<<< ______ DEPTH OF FLOW IN 102.0 INCH PIPE ' 81.9 INCHES I PIPEFLOW VELOCITY(FEET/SEC.) = ( 5 UPSTREAM NODE ELEVATION = 15 DOWNSTREAM NODE ELEVATION = 1503.00 N� FLOWLENGTH(FEET) = 150 .0 MANNINGS N - .013 N� ESTIMATED PIPE DIAMETE.' INCH) = 102.00 1\ 'MBER OF PIPES = 1 PIPEFLOW THRU SUBAR '(CFS) = 1486.98 II TRAVEL TIME(MIN.) = .09 TC(MIN.) = 14.10 N� **• ****************+*".**1.• ******0-******* 00 TO NODE 44 00 IS CODE = 2 Jr, FLOW PROCESS FROM NODE 42 . . N� >>>>> RATIONAL METHOD INITIAL SUBAREA AHALYSIS<< N� DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 1850.00 UPSTREAM ELEVATION = 1594.00 N� DOWNSTREAM ELEVATION = 1562.00 N� ELEVATION DIFFERENCE = 32.00 TC = .389*[( 1850.00** 3.00)/( 32.00)]** .20 = 17.751 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.729 N� SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA RUNOFF(CFS) = 82.05 01 TOTAL AREA(ACRES) = 28.10 PEAK FLOW RATE(CFS) = . 82'05 ��*-x****/..****i(*********************1t********4***4******-4-1-********4-**- 0� FLOW PROCESS FROM NODE 45.00 TO NODE 46.00 IS CODE = 2 �� >>>>> RATIONAL METHOD INITIAL SUBAREA ANALYSIS< �� === _==== 0� DEVELQPMENT IS APARTMENTS TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 N� INITIAL SUBAREA FLOW-LENGTH = 1300.00 m� UPSTREAM ELEVATION = 1557.00 DOWNSTREAM ELEVATION = 1529.00 ELEVATION DIFFERENCE = 28.00 TC = .324*[( 1300.00** 3.00)/( 28.00)]** .20 = 12.288 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.825 SOIL CLASSIFICATION IS "A" 0� APARTMENTS SUBAREA LOSS RATE, Fm(INCH/HR) = .1940 SUBAREA RUNOFF(CFS) = 45.01 TOTAL AREA(ACRES) = 10.80 PEAK FLOW RATE(CFS) = 45.01 == =====_ END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 10.80 EFFECTIVE AREA(ACRES) = 10.80 PEAK FLOW RATE(CFS) = 45.01 END OF RATIONAL METHOD ANALYSIS � -- N� °mOmMOMr ` ` ~ 1 �x \:.� �` 1 4 . * ***********_******�**R******************�*x*******��� .,. �� RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PAC (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) -- Ver. 4.1C Release Date: 5/11/87 Serial # 1010 I Especially prepared for: RIVERTECH INC. ************************** DESCRIPTION OF STUDY **** L * RATIONAL METHOD (CONFUTATION OF LAG FOR WATERSHED 40 DEVELOPED COND.) * * *************************** **** *************************** * **** ** ** ***** ** II FILE NAME: 100RD TIME/DATE OF STUDY: 16:14 9/ 8/1987 ==========_____=====______=_ �� USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ===___ -___=_ _______ _ ___=__ =______________======= --*TIME-OF-CONCENTRATION MODEL*-- ~- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FCR FRICTION SLOPE = .90 «� *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .7000 �� USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.6600 II ************** *** **************************** *****************************, FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 I � >>> >>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<< __ ======__ =====__ __________============________=== ____ _ NATURAL AVERAGE COVER I TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 600.00 SP UPSTREAM ELEVATION = 4080.00 I DOWNSTREAM ELEVATION = 3800.00 ELEVATION DIFFERENCE = 280.00 TC = .706*[( 600.00** 3.00)/( 280'00)]** .20 = 10.623 I 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.577 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 24.38 N� TOTAL AREA(ACRES) = 5.40 PEAK FLOW RATE(CFS) = 24.38 __ **************************************************************************^ NI FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 > >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<<< l >> >>>TRAVELTIME THRU SUBAREA<<<<< ========== ==========_ UPSTREAM NODE ELEVATION = 3800.00 DOWNSTREAM NODE ELEVATION = 3400.00 I CHANNEL LENGTH TF.RU SUBAREA(FEET) = 1000.00 ' ~ ( t_,1- -- �,.��.r-c.. = I MNIN�S FCTOR = 080 MAXIMUM �EPTH(FEET) = 4 0� ^ ^ \) .. ! CHANNEL FLOW THRU SUBAREA(CFS) = 24 ^ 38 II FLOW VELOCIFEET/SEC> = 8.06 FLOW DEPTH(FEET) = .80 TRAVEL TIME(MIN.) = 2.07 TC(MIN.) = 12.69 ********** I FLOW PROCESS FROM NODE 1.0L TO NODE 1.02 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW I 100 YEAR RAINFALL INTENSITY( INCH/HOUR/ = 4.924 SOIL CLASSIFICATION 18 "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm = .5600 N�� � SUBAREA AREA(ACRES) = 18.10 SUBAREA RUNOFF(CFS) = 71.10 EFFECTIVE AREA = 23.50 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 23.50 N� PEAK FLOW RATE(CFS) = 92.31 TC(MIN) = 12.69 -_ *************************************** FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 5 N� ----- --- ----- - - --- N� >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>>>TRAVELTIME THRU SUBAREA,- UPSTREAM NODE ELEVATION = 3400.00 �� DOWNSTREAM NODE ELEVATION = 3000.00 ) CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 1.000 I MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 92.31 I FLOW VELOCITY(FEET/SEC) = 1O.98 FLOW DEPTH(FEET) = 1.17 TRAVEL TIME(MIN.) = 1.52 TC(MIN.) = 14.21 ********************************* ************************************** II FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 i - --- ------- >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< I -- 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = �.550 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 I SUBAREA AREA(ACRES) = 41.30 SUBAREA RUNOFF(CFS) = 148.31 EFFECTIVE AREA(ACRES) = 64.80 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 64.80 �� PEAK FLOW RATE(CFS) = 232.70 TC(MIN) = 14.21 ^� I ************************************************************************ FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 5 II >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<< >>>>> TRAVELTIME THRU SUBAREA<<<<< ==___ _=_____________===== �� UPSTREAM NODE ELEVATION = 3000.00 m� DOWNSTREAM NODE ELEVATION = 2720.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1600.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.000 N� MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 ` ~ N� �,'1..,E� r�uw /�Fu zL-A10 .r- . = 1 , -=LOW VELO,-,ITY(FEET/SEC` = 1�.53 FLOW DEPTH,FEET) = 2.17 \)l TRA/EL TIME(MIN.) = 2.53 TC(MIN.) = 16.74 \�/`~' I *************** **** ***************** *** ******** - ***** * ****** *** * ****** ** * ** - FLOW PROCESS FROM NODE 1.03 TO MODE 1.04 IS CODE = 8 ____ I >>>>>ADDITICN OF SUBAREA TO MAINLINE PEAK FLOW <<<<< ----------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.057 I SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 38.30 SUBAREA RUNOFF(CFS) = 120.53 EFFECTIVE AREA(ACRES) = 103.10 II AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 103.10 PEAK FLOW RATE(CFS) = 324.46 N� TC(MIN) = 16.74 0� ************************* I FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 5 COMPUTE 7RAPE FLOW<<< N� >>> >>TRAVELTIME THRU SUBAREA <<<< � N� ==== ---- - _____=----=----------------=- UPSTREAM NODE ELEVATION = 2720.00 DOWNSTREAM NODE ELEVATION = 2520.00 I CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 324.46 I FLOW VELOCITY(FEET/SEC) = 11.05 FLOW DEPTH(FEET) = 2.73 TRAVEL TIME(MIN.) = 1.96 TC(MIN.) = 18.70 1 ***************************************************************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 ---------- - - - 1 >>> >>ADDITION OF SUBAREA TO MAINLINE PEAKFLOW<<<= _____=______=== _ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.754 N� SOIL CLASSIFICATION IS "B" w� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .5600 SUBAREA AREA(ACRES) = 27.50 SUBAREA RUNOFF(CFS) = 79.06 EFFECTIVE AREA(ACRES) = 130.60 I AVERAGED Fm( INCH/HR) = .560 TOTAL AREA(ACRES) = 130.60 PEAK FLOW RATE(CFS) = 375.44 I TC(MIN) = 18.70 I ************************ FLOW PROCESS FROM NODE 1 .05 TO NODE 1 .06 IS CODE = 5 _____ ___________ _______ __ _____ >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW, << I >>>>>TRAVELTIME THRU SUBAREA<<<<< -------=====�===============-------==-- -======-----=- === __ UPSTREAM NODE ELEVATION = 2520.00 DOWNSTREAM NODE ELEVATION = 2430.00 I CHANNEL LENGTH THRU SUBAREA(FEET) = 600.00 CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = 3.000 | MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 375.44 N� FLOW VELOCIT = 1 FLOW DEPTH(FEET) = t.,=,-2 41m■ N� !-�`�� /u/� o1.4 .' = �� � \\^� [J \| � I ********** FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 8 ______ >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< ========= I 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.685 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 I SUBAREA AREA(ACRES) = 12.40 SUBAREA RUNOFF(CFS) = 34.68 EFFECTIVE AREA(ACRES) = 143.00 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 143.00 I PEAK FLOW RATE(CFS) = 402.24 TC(MIN) = 19.20 I ************************************* ***** *********** *** * ******* *** ****** FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 8 N� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< -_ ============================-_______=====~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.685 N� SOIL CLASSIFICATION IS "B" I RESIDENTIAL .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 24.38 EFFECTIVE AREA(ACRES) = 152.00 0� AVERAGED Fm(INCH/HR) = .567 m� TOTAL AREA(ACRES) = 152.00 PEAK FLOW RATE(CFS) = 426.62 II TC(MIN) = 19.20 I FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 >> >>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE << �� __________ ~ 1 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION(MINUTES) = 19.20 I RAINFALL INTENSITY (INCH./HOUR) = 3.69 EFFECTIVE STREAM AREA(ACRES) = 152'00 TOTAL STREAM AREA(ACRES) = 152.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 426.62 li ~~ . ******************* ****************************************************** II FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS <<< | __ =====_____=======_____ ____ _ __============_======= NATURAL AVERAGE COVER TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 800.00 I UPSTREAM ELEVATION = 3930.00 DOWNSTREAM ELEVATION = 3400.00 ELEVATION DIFFERENCE = 530.00 TC = .706*E( 800.O0** 3.00)/( 530.00)]** .20 = 11.112 I 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.404 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 N� SUBAREA RUNOFF(CFS) = 23.98 N� TOTAL AREA(ACRES) = 5.50 PEW. FLOW RATE(CF = 23.98 ~ , II � t \` J i� [7 ` ** * *************************** ************+��* ***********� ***************** - FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 5 I --------------------------------- - --------------- >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>> TRAVELTIME THRU SUBAREA <<< [ UPSTREAM NODE ELEVATION = 3400.00 DOWNSTREAM NODE ELEVATION = 3040.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 11(0.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 1 .000 N� MANNINGS FACTOR = .080 MAXIMLM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 23.98 FLOW VELOCITY(FEET/SEC) = 7.56 FLOW DEPTH(FEET) = .83 E TRAVEL TIME(MIN.) = 2.42 TC(MIN.) = 13.54 . ******************************* ** * ******* ************** 0� FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 8 >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<< E ___ ---- ====-------------=_-----=------===�======_= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.707 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 E SUBAREA AREA(ACRES) = 20.50 SUBAREA RUNOFF(CFS) = 76.52 EFFECTIVE AREA(ACRES) = 26.00 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 26.00 �� PEAK FLOW RATE(CFS) = 97.05 I: TC(MIN) = 13.54 *** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 5 E >> >>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<<< >>>>>TRAVELTIME THRU SUBAREA <<< ___====== 0� == =======------- - �� == 0� UPSTREAM NODE ELEVATION = 3040.00 DOWNSTREAM NODE ELEVATION = 2720.00 r CHANNEL LENGTH THRU SUBAREA(FEET) = 1400.00 � CHANNEL BASE(FEET) = 5.00 "2" FACTOR = 1.000 �� MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 97.05 FLOW VELOCITY(FEET/SEC) = 9.35 FLOW DEPTH(FEET) = 1.58 I TRAVEL TIME(MIN. ) = 2.50 TC(MIN.) = 16.03 *************************************************************************** I FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 8 >>>> >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< II __= --- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.181 ! " " SOIL CLASSIFICATION IS B NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 I SUBAREA AREA(ACRES) = 48.30 SUBAREA RUNOFF(CFS) = 157.42 EFFECTIVE AREA(ACRES) = 74.30 AVERAGED Fm(INCH/HR) = .560 I TOTAL AREA(ACRES) = 74.30 | PEAK FLOW RATE(CFS) = 242.16 TC(MIN) = 16.03 | ^ \ 0� FLOW PRGCESS FROM NODE 2 z 03 TO NODE 1 06 IS CODE = 5 � ^ ^ [J \ ` >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW �� >>>>> TRAVELTIME THRU SUBAREA <<<<< N� ==== UPSTREAM NODE ELEVATION = 2720.00 DOWNSTREAM NODE ELEVATION = 2430.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1900.00 CHANNEL BASE(FEET) = 6.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 242.16 FLOW VELOCITY(FEET/SEC) = 1O.39 FLOW DEPTH(FEET) = 2.68 TRAVEL TIME(MIN.) = 3.05 TC(MIN.) = 19.08 ******************************************************************* FLOW PROCESS FROM NODE 2.03 TO NODE 1.06 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.702 SOIL CLASSIFICATION IS "B" m� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .5600 SUBAREA AREA(ACRES) = 43.90 SUBAREA RUNOFF(CFS) = 124.14 EFFECTIVE AREA(ACRES) = 118.20 AVERAGED Fm( INCH/HR) = .560 TOTAL AREA(ACRES) = 118.20 PEAK FLOW RATE(CFS) = 334.23 N� TC(MIN) = 19.08 *4***********4-*************************4-k****4.*****4*** FLOW PROCESS FROM NODE 2.03 TO NODE 1.06 IS CODE = 8 >>> ''ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << ______ _ =_________=__ ____________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.702 SOIL CLASSIFICATION IS "B" . RESIDENTIAL- > .4 DWELLING/ACRE SVBAREA LOSS RATE, Fm(INCH/HR) = .6750 C SUBAREA AREA(ACRES) = 3.90 SUBAREA RUNOFF(CFS) = 10.62 EFFECTIVE AREA(ACRES) = 122.10 AVERAGED Fm(INCH/HR) = .564 N� TOTAL AREA(ACRES) = 122.10 PEAK FLOW RATE(CFS) = 344 . 86 TC(MIN) = 19.08 ********************************************************** FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 N� ------ ----------------------- ! m� -. ..,-DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES< N� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 19.08 RAINFALL INTENSITY (INCH./HOUR) = 3.70 N� EFFECTIVE STREAM AREA(ACRES) = 122.10 m� TOTAL STREAM AREA(ACRES) = 122.10 PEAK FLOW RATE(CFS) AT CONFLUENCE = 344.86 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 0� ------------------------- ------ -- �� 1 426.62 19.20 3.685 .57 152.00 �� = �-�'�� ^-.�� ��.,� ,: �� \\ L RAI%FA D LL lHTE�SITY AND TIME CF CNCENTRATION RATIO [ ) `\ n • CONFLUENCE FORMULA USED FOR 2 STREAMS. � ' N� SUMMARY RESULTS: �� STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) C ------- 1 769.67 274.10 2 771.01 273.13 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: 1 110 K PEA FLOW RATE(CFS) = 771.01 TIME(MINUTES> = 19.079 EFFECTIVE AREA(ACRES) = 273.13 TOTAL AREA(ACRES) = 274.10 1: ***************************************************************** FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 5 ( >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW > >>>>TRAVELTIME THRU SUBAREA <<<<< E UPSTREAM NODE ELEVATION = 2430.00 DOWNSTREAM NODE ELEVATION = 2000.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3200.00 CHANNEL BASE(FEET} = 9.00 "Z" FACTOR = 3.000 @� MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 771.01 FLOW VELOCITY(FEET/SEC) = 23.29 FLOW DEPTH(FEET) = 2.14 C TRAVEL TIME(MIN.) = 2.29 TC(MIN.) = 21.37 E ************* FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< L 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.420 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUkAREA LOSS RATE, Fm(INCH/HR) = .5600 C SUBAREA AREA(ACRES) = 32.20 SUBAREA RUNOFF(CFS) = 82.87 EFFECTIVE AREA(ACRES) = 305.33 AVERAGED Fm(INCH/HR) = .565 E TOTAL AREA(ACRES) = 306.30 PEAK FLOW RATE(CFS) = 784.48 TC(MIN) = 21.37 II ***************************,r FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 �� m� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW,---- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.420 II SOIL CLASSIFICATION IS "B" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 II SUBAREA AREA(ACRES) = 72.10 SUBAREA RUNOFF(CFS) = 178.09 0 EFFECTIVE AREA(ACRES) = 377.43 �� AVERAGED Fm(INCH/HR) = .586 TOTAL AREA(ACRES) = 378.40 PEA FLOW RATE(CFS) = 962.57 I K TC(MIN) = 21.37 I ************ FLOW FROC FROM NOCE 1.') TO NODE I. IS , = 5 i .^ - - - ---------------------------------------- ---------- ------------------ N� >>>>> COMPUTE TR�PEZOIDAL-CHANNEL FLOW<(<i< h \r1 /�\ >>>>> TRAVELTIME THRU SUBAREA <<< ----------------------------- ======= ==��===�====���====�===========�=====�� II UPSTREAM NODE ELEVATION = 200.00 DOWNSTREAM NODE ELEVATION = 1760.O0 CHANNEL LENGTH THRU SUBAREA(FEET) = 2600.00 CHANNEL BASE(FEET) = 12.00 ''Z" FACTOR = 3.000 �� MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 962.57 FLOW VELOCITY(FEET/SEC) = 21.14 FLOW DEPTH(FEET) = 2.38 �� �6 TRAkiEL TIME(MIN.) = 8.05 TC(MIN.) = 23.42 ** 1: FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< ==_=== _==___________=================== �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.207 SOIL CLASSIFICATION IS "8" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 24.30 SUBAREA RUNOFF(CFS) = 57.89 �w EFFECTIVE AREA(ACRES) = 401.73 AVERAGED Fm(INCH/HR) = .584 E TOTAL AREA(ACRES) = 402.70 PEAK FLOW RATE(CFS) = 962.57 TC(MIN) = 23.42 .- **************** FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 C >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< ___ ===_________=_____ ------------ -==================== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.207 E SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 II SUBAREA AREA(ACRES) = 1.50 SUBAREA RUNOFF(CFS) = 3.22 EFFECTIVE AREA(ACRES) = 403.23/ N� AVERAGED Fm(INCH/HR) = .585 TOTAL AREA(ACRES) = 404.20 PEAK FLOW RATE(CFS) = 962.57 I TC(MIN) = 23.42 I *************************************************************************** FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 >> >>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< I -=__ ___________=_____________ -= ---- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.207 SOIL CLASSIFICATION IS "A" RESIDENTIAL .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = '8730 I SUBAREA AREA(ACRES) = 1.70 SUBAREA RUNOFF(CFS) = 3.57 EFFECTIVE AREA(ACRES) = 404.93 AVERAGED Fm(INCH/HR) = .586 I TOTAL AREA(ACRES) = 405.90 PEAK FLOW RATE(CFS) = 962.57 TC(MIN) = 23.42 ~~ ******************** FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 9 C ADDITION CF SUBAREA TO .AI;.d..IHE PEAK FLOW , ^ ======================= 100 EAR RAI�FALL IHTEHSITY(I�CH/HOuR, 3.E07 b ')�� v = \� �� u SOIL CLASSIFlCATION IS "B' RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = N� SUBAREA AREA(ACRES) = 98.50 SUBAREA RUHOFF(CFS} = 224.48 |� EFFECTIVE AREA(ACRES) = 5O3.43 AVERAGED Fm(INCH/HR) = .604 TOTAL AREA(ACRES) = 504.40 PEAK FLOW RATE(CFS) = 1179.61 TC(MIN) = 23.42 m: ******************** FLOW FROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 N: >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 1C0 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.207 SOIL CLASSIFICATION IS "A" �� RESIDENTIAL-> 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .7760 SUBAREA AREA(ACRES) = 4.30 SUBAREA RUNOFF(CFS) = 9.41 EFFECTIVE AREA(ACRES) = 507.73 AVERAGED Fm(INCH/HR) = .605 TOTAL AREA(ACRES) = 508.70 PEAK FLOW RATE(CFS) = 1189.02 TC(MIN) = 23.42 **********k*rno.*******4-**********Ik***Ikk****** FLOW FROCESS FROM NODE 1.08 TO NODE 1.09 IS CODE = 5 COMPUTE TRAPEZOIDAL-CHANNEL FLOW< >>>>> TRAVELTIME THRU SUBAREA UPSTREAM NODE ELEVATION = 1760.00 DOWNSTREAM NODE ELEVATION = 1640.00 C CHANNEL LENGTH THRU SUBAREA(FEET) = 2200.00 CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1189.02 FLOW VELOCITY(FEET/SEC) = 33.73 FLOW DEPTH(FEET) = 2.29 TRAVEL TIME(MIN.) = 1.09 TC(MIN.) = 24.51 *************************************************************************' FLOW PROCESS FROM NODE 1.08 TO NODE 1.09 IS CODE = 8 N� >>�>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.107 SOIL CLASSIFICATION IS "B" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 SUBAREA AREA(ACRES) = 193.20 SUBAREA RUNOFF(CFS) = 422.87 EFFECTIVE AREA(ACRES) = 700.93 N� AVERAGED Fm(INCH/HR) = .624 TOTAL AREA(ACRES) = 701.90 PEAK FLOW RATE(CFS) = 1566.06 TC(MIN) = 24.51 ******* FLOW PROCESS FROM NODE 1.08 TO NODE 1.09 IS CODE = 8 > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW �� 100 �EAR R1=,I■FALL INTEN ` � I muL� L-*��^ri,�|1un 1.i '� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm = .3200 i SUBAREA AREA(ACRES) = 5.10 SUBAREA RUNOFF(CFS) = 10.50 122 \/Q EFFECTIVE AREA(ACRES) = 706.03 AVERAGED li AVERAGED Fm(INCH/HR) = .626 TOTAL AREA(ACRES) = 707.00 PEAK FLOW RATE(CFS) = 1576.56 C TC(MIN) = 24.51 �� ********************************** �� FLOW PROCESS FROM NODE 1.08 TO NODE 1.09 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW _ ______=======__________======= 0� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.107 SOIL CLASSIFICATION IS "B" U� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 �� SUBAREA AREA(ACRES) = 12.50 SUBAREA RUNOFF(CFS) = 28.65 ~� EFFECTIVE AREA(ACRES) = 718.53 AVERAGED Fm(INCH/HR) = .625 TOTAL AREA(ACRES) = 719.50 �0 PEAK FLOW RATE(CFS) = 1605.21 TC(MIN) = 24.51 I: ****************************** FLOW PROCESS FROM NODE 1.08 TO NODE 1.09 IS COLE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW -- = -- --------= ---- -- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.107 SOIL CLASSIFICATION IS "A" �� RESIDENTIAL-> 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .7760 SUBAREA AREA(ACRES) = 36.80 SUBAREA RUNOFF(CFS) = 77.20 EFFECTIVE AREA(ACRES) = 755.33 AVERAGED Fm(INCH/HR) = .632 �� TOTAL AREA(ACRES) = 756.30 PEAK FLOW RATE(CFS) = 1682.42 I: TC(MIN) = 24.51 / ******************************************* E FLOW PROCESS FROM NODE 1.08 TO NODE 1.O9 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< ___ __ _ ==== _ __ __ II 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 8.107 { SOIL CLASSIFICATION IS "B" II RESIDENTIAL 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .60O0 SUBAREA AREA(ACRES) = 62.00 SUBAREA RUNOFF(CFS) = 139.89 EFFECTIVE AREA(ACRES) = 817.33 AVERAGED Fm(INCH/HR) = .630 TOTAL AREA(ACRES) = 813.30 II PEAK FLOW RATE(CFS) = 1822.30 ! TC(MIN) = 24.51 II ************************************************************ ************** , FLOW PROCESS FROM NODE 1.08 TO NODE 1.09 IS CODE = 8 II >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< ======________ _ _ __=========_______ ___=____________===== | 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.107 SOIL CLASSIFICATION IS "8" �� RES[DENTIAL-> 3 A -4 DWELLINGS/I=4 SUBAREA m( REA LOSS RATE, FINCH/HR) = .45. ' - - � --- -- , { �uL�L� id-�" *L��-/ - N� E FFECTIVE AREA(ACSES) = B22. ' , n -- D `u" AVERAGED Fm(INCH/HR) = .-.. II TOTAL AREA(ACRES) = 823.10 PEAK FLOW RATE(CFS) = 1833'78 TC(MIN) = 24.51 * *************** *** ************************ *** ********** ****** ************** �� FLOW PROCESS FROM NODE 1.08 TO NODE 1.09 IS CODE = 8 __ �� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< �� ========_______________=========_____==============______-__===_____-_-==== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.107 SOIL CLASSIFICATION IS "A^ �� RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 ~� SUBAREA AREA(ACRES) = 24.90 SUBAREA RUNOFF(CFS) = 56.58 U� EFFECTIVE AREA(ACRES) = 847.03 QD AVERAGED Fm(INCH/HR) = .627 °� TOTAL AREA(ACRES) = 848.00 PEAK FLOW RATE(CFS) = 1890.36 I: TC(MIN) = 24.51 ********************************************* 0: FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 IS CODE = 5 -- --- ---- >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<<< E >>>>> TRAVELTIME THRU SUBAREA< ======____________======_________=_______======__ __ _= UPSTREAM NODE ELEVATION = 1640.00 DOWNSTREAM NODE ELEVATION = 1600.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1500.00 �� CHANNEL BASE(FEET) = 12.00 ''Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1890.36 E FLOW VELOCITY(FEET/SEC) = 3O.08 FLOW DEPTH(FEET) = 3.61 TRAVEL TIME(MIN.) = .83 TC(MIN.) = 25.34 �� � N� **************************************************************************** - FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< w� _ _ ___=------ _=_______=----=��== ___ =��=�--- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.035 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 ~- AREA(ACRES) 17 20 SUBAREA RUNOFF(CFS) = 45 SUBAREA = 48 . . EFFECTIVE AREA(ACRES) = 864.23 ^ II �� AVERAGED Fm(INCH/HR) = .617 ~� TOTAL AREA(ACRES) = 865.20 PEAK FLOW RATE(CFS) = 1890.36 II TC(MIN) = 25.34 ****************************************************************** NI FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 IS CODE = 8 - - - - >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< _ _-__ __ __=�= ________ __ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.035 �� SOIL CLASSIFICATION IS "A' . RESIDENTIAL 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5920 SUBAREA AREA(ACRES) = 52.70 SUBAREA RUNOFF(CFS) = 116.36 II EFFECTIVE AREA(ACRES) = 916.93 TOTAL AREA(ACRES) = 9z7.90 PEAK FLOW RATE(CFS) 1997 54 �' '-\ = . �� \� TC(MIN) = 25.34 FLOW PROCESS FROM MODE 1.O9 TO NODE 1.10 IS CODE = 8 ________ �� 0� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY(IHCH/HOGR) = 3.035 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 64.90 SUBAREA RUNOFF(CFS) = 129.39 EFFECTIVE AREA(ACRES) = 981.83 0� AVERAGED Fm(INCH/HR) = .628 TOTAL AREA(ACRES) = 982.80 PEAK FLOW RATE(CFS) = 2126.93 TC(MIN) = 25.34 FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 18 CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.035 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 1: SUBAREA AREA(ACRES) = 24.20 SUBAREA RUNOFF(CFS) = 53.91 EFFECTIVE AREA(ACRES) = 1006.03 AVERAGED Fm(INCH/HR) = .627 TOTAL AREA(ACRES) = 1007.00 PEAK FLOW RATE(CFS) = 2180.84 TC(MIN) = 25.34 ************************************ FLOW PROCESS FROM NODE � 1 . � 09 O NODE 1.10 IS CODE = 8 >> >>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.035 N� SOIL CLASSIFICATION IS "B" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/AR) = .6750 SUBAREA AREA(ACRES) = 52.60 SUBAREA RUNOFF(CFS) = 111.73 �� �� EFFECTIVE AREA(ACRES) = 1058.63 .- AVERAGED Fm(INCH/HR) = .629 TOTAL AREA(ACRES) = 1059.60 PEAK FLOW RATE(CFS) = 2292.57 TC(MIN) = 25.34 *******************).************ FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 IS CODE = 8 > >>>>ADDITICN OF SUBAREA TO MAINLINE PEAK FLOW„ ____=_____=_______ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.035 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .8730 SUBAREA AREA(ACRES) = 10.30 SUBAREA RUNOFF(CFS) = 20.04 EFFECTIVE AREA(ACRES) = 1068.93 AVERAGED Fm(INCH/HR) = .631 �� TOTAL AREA(AC 0 RES> = 169.9O �� - -- TC(MIN) = 25.34 �n ' -- \ *********************** FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 IS CODE = >>>>> ADDITION OF SUBAREA TO MAINLINE FEAK FLOW 100 YEAR RAINFALL INTENSITY(lHCH/HDUR) = 3.035 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 2 DWELLINGS/ACRE SUBAREA LOSS RATE Fm(INCH/HR) = .6790 SUBAREA AREA(ACRES) = 25.20 SUBAREA RUNOFF(CFS) = 53.44 m� EFFECTIVE AREA(ACRES) = 1094.13 AVERAGED Fm(INCH/HR) = .632 E TOTAL AREA(ACRES) = 1095.10 PEAK FLOW RATE(CFS) = 2366.06 TC(MIN) = 25.34 _ **************** FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 13 CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW === -____=====_____=======___ - __==�== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.035 C SDIL CLASSIFICATION IS RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .8730 SUBAREA AREA(ACRES) = 11.50 SUBAREA RUNOFF(CFS) = 22.38 EFFECTIVE AREA(ACRES) = 1105.63 AVERAGED Fm(INCH/HR) = .635 TOTAL AREA(ACRES) = 1106.60 PEAK FLOW RATE(CFS) = 2388.44 TC(MIN) = 25.34 |� ****************** FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 IS CODE = 8 >> >>>ADDITION OF SUBAREA TO MAIN� INE PEAK FLOW<<< 0� --------�= - - =-- --=-------- - ==========-----------== �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.035 SOIL CLASSIFICATION IS "B" RESIDENTIAL-> 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6000 SUBAREA AREA(ACRES) = 3.50 SUBAREA RUNOFF(CFS) = 7'67 EFFECTIVE AREA(ACRES) = 1109.13 AVERAGED Fm(INCH/HR) = .635 TOTAL AREA(ACRES) = 1110.10 PEAK FLOW RATE(CFS) = 2396.11 TC(MIN) = 25.34 . ~~ **************************** FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.035 N� SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 1 DWELLING/ACRE SUBAREA LOSS RATE Fm(INCH/HR) = .7760 , . SUBAREA AREA(ACRES) = 2.20 SUBAREA RUNOFF(CFS) = 4.47 EFFECTIVE AREA(ACRES) = 1111.33 AVERAGED Fm(INCH/HR) = .635 TOTAL AREA(ACRES) = 1112.30 PEAK FLOW RATE(CFS) = 2400.58 = 25.34 V� , ~ | F �' I ******+*+************ *************+*+********+***�******�,******* \] ,=� ** FLOW PROCESS FRCM NODE 1. TO NOCE 1.10 IS CODE = 8 _____ 6 4, >>>>> ADDITICN OF SUBAREA TO MAINL14E PEAK FLOW 100 YEAR RAINFALL INTEMSITY(INCH/HOLR) = 3.035 SOIL CLASSIFICATION IS "B" I: RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4500 SUBAREA AREA(ACRES) = 1.20 SUBAREA RUNOFF(CFS) = 2.79 EFFECTIVE AREA(ACRES) = 1112.53 �� AVERAGED Fm(INCH/HR) = .6 35 m� TOTAL AREA(ACRES) = 1113. PEAK FLOW RATE(CFS) = 2403.37 I: TC(MIN) = 25.34 � �� �� . FLOW PROCESS FROM NODE 1.09 TO NODE 1 10 IS CODE = 8 __- _ >> >>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW -------------------------------------------------------------------------- C 1O0 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.035 SOIL CLASSIFICATION IS "B" RESIDENTIAL-. 2 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5230 �� � SUBAREA AREA(ACRES) = 1.40 SUBAREA RLNOFF(CFS) = 3.16 � �� EFFECTIVE AREA(ACRES) = 1113.93 AVERAGED Fm(INCH/HR) = .635 TOTAL AREA(ACRES) = 1114.90 C PEAK FLOW RATE(CFS) = 2406.54 TC<MI1> 25 34 = , ....6--- ID s* A 0 �� �� END OF STUDY SUMMARY: �� TOTAL AREA(ACRES) = 1114.90 EFFECTIVE AREA(ACRES) = 1113.93 PEAK FLOW RATE(CFS) = 2406.54 �� _____ ___ _____==___________====_�______=_______-_======= ====__ m� END OF RATIONAL METHOD ANALYSIS (: 1: -- II II I ! 11 ` II II | , � mi � � � � � / �� |7 |�� I **************** .. * *************** RATIONAL METHOD HYDROLOGr COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDlNO CO. HYDROLOGY CRITERION) � Copyright 1983,86,87 Advanced Engineering Software (aes) U� m ` Ver. 4.10 Release Date: 5/11/87 Serial # 101071 Especially prepared for: — RIVERTECH INC. ***********+************** DESCRIPTION OF STUDY ***************** -- * RATIONAL METHOD(COMPUTATION OF LAG FOR WATERSHED 50 DEVELOPED COND.) * ************** �� �� FILE NAME: 100RD50.IN TIME/DATE OF STUDY: 16:17 9/ 8/1987 li ===_____==_ _____================_____==================== USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: 1 ____ __========_____ _ =______________ _==============_______=_ -- *TIME - OF-CONCENTRATION MODEL*-- m: USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 11; *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .7000 01 USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.6300 I: ************************************************* FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 7 �g >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS< w� -- ---- =======-_________=__ === NATURAL AVERAGE COVER �0 TC = K*E(LENGTH** 3'00)/(ELEVATION CHANGE))** .20 �� INITIAL SUBAREA FLOW-LENGTH = 600.00 UPSTREAM ELEVATION = 3960.00 I DOWNSTREAM ELEVATION = 3200'00 ELEVATION DIFFERENCE = 760.00 TC = .706*[( 600.00** 3.00)/( 760.00)]** .20 = 8.700 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.298 SOIL CLASSIFICATION IS "B" �� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 35.63 II TOTAL AREA(ACRES) = 6.90 PEAK FLOW RATE(CFS) = 35.63 ***************************************************************************^ I ^ FLOW PROCESS FROM NODE 1.01 TO NODE 1 02 IS CODE = 5 - - >>> /.-COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<<< >>>>>TRAVELTIME THRU SUBAREA<< 0I --- --�==---- - - -------- ============ UPSTREAM NODE ELEVATION = 3200 00 . DOWNSTREAM NODE ELEVATION = 2960.00 CHANNEL LENGTH THRU SUBAREA(FEET) = (" . 0') �0 �� - -- ---- ^ ` � �A�Nl�GS F = .080 nA LEPTH(FEET) = +. 0 �r �?�� I CHANNEL FLOW THRU SU8AREA(CFS} = 35.63 \_� \��� 1 FLCW VELOCITY(FEET)SEC) = 8.06 FLOW DEPTH(FEET) = 1.33 TRAVEL TIME(MlN.) = 1.86 TC(MIN.) = 10.56 I/ ************ FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 �� > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< =====___ 100 YEAR RAINFALL INTENSITY(INCH/HOUR> = 5.499 �� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 27.50 SUBAREA RUNOFF(CFS) = 122.25 0: EFFECTIVE-AREA(ACRES) = 34'40 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 34.40 PEAK FLOW RATE(CFS) = 152.92 V� TC(MIN) = 10.56 I: ********************** FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 5 >>>>>CONFUTE TRAPEZOIDAL-CHANNEL FLOW<<<< �� >>>>>TRAVELTIME THRU SUBAREA __ ---- ---- UPSTREAM NODE ELEVATION = 2960.00 �� DOWNSTREAM NODE ELEVATION = 2440.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2100.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 �� CHANNEL FLOW THRU SUBAREA(CFS) = 152.92 FLOW VELOCITY(FEET/SEC) = 11.30 FLOW DEPTH(FEET) = 2.47 TRAVEL TIME(MIN.) = 3.10 TC(MIN.) = 13.66 li ********************************* * **************** *** ** **** ************ ' II FLOW PROCESS FRDM NODE 1.02. rO NODE 1 03 IS CODE = 8 >>>>> - ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << II =====_ _____=== =______ _ __ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.593 SOIL CLASSIFICATION IS "8" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 II SUBAREA AREA(ACRES) = 67.30 SUBAREA RUNOFF(CFS) = 244.29 EFFECTIVE AREA(ACRES) = 101.70 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 101.70 PEAK FLOW RATE(CFS) = 369.16 m� TC(MIN) = 13 ^ 66 II ******************************************************************** **** **** FLOW PROCESS FROM NODE 1.03 TO NODE 1.03 IS CODE = 1 >>> >>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<< �� _________==_____=======________=_____===_______ ==========_ = -- - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION(MINUTES) = 13.66 I RAINFALL INTENSITY-(INCH./HOUR) = 4.59 EFFECTIVE STREAM AREA(ACRES) = 101.70 TOTAL STREAM AREA(ACRES) = 101.70 �� �� K PEA FLOW RATE(CFS) Al CONFLUENCE = 369.1 , . ' U� � ) L m� **************** \� \ �p , ******** FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 II ----- ------- ------------------- ------ _ _ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<< ^ ====== NATURAL AVERAGE COVER I TC = K*[ (LENGTH** 3.00 CHANGE) 3** .20 INITIAL SUBAREA FLOW-LENGTH = 900.00 II UPSTREAM ELEVATION = 2880.00 DOWNSTREAM ELEVATION = 2750 ' 00 i ELEVATION DIFFERENCE = 130.00 TC = .706*[( 900.00** 3.00)/( 130.00)1** .20 = 15.797 II 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 4.14 9 SOIL CLASSIFICATION IS "B" 1 NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 27.13 �� TOTAL AREA(ACRES) = 8.40 PEAK FLOW RATE(CFS) = 27'13 �� ****************************************************************** �� FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 5 | _ _ COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<<< �� >>>>> TRAVELTIME THRU SUBAREA << __ _____ __===_ UPSTREAM NODE ELEVATION = 2750.00 �� DOWNSTREAM NODE ELEVATION = 2670.00 U� ~~ CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 li CHANNEL FLOW THRU SUBAREA(CFS) = 27.13 FLOW VELOCITY(FEET/SEC) = 5.55 FLOW DEPTH(FEET) 1 17 . = . TRAVEL TIME(MIN.) = 1.95 TC(MIN.) = 17.75 . II *************************************************************************** 11 FLOW PROCESS FROM NODE 2.01 IO NODE 2.02 IS CODE = 8 - - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << __________=________=___ __===================== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.824 II SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, ^ Fm(INCH/HR) = 5600 SUBAREA AREA(ACRES) = 24.50 SUBAREA RUNOFF(FS) = 71.96 II EFFECTIVE AREA(ACRES) = 32.90 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 32.90 PEAK FLOW RATE(CFS) = 96.64 II TC(MIN) = 17.75 ************************************************************************* ;� FLOW PROCESS FROM NODE 2.02 TO NODE 1.03 IS CODE = 5 | -- ----- - ------ ------ >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<< II >>>>>TRAVELTIME THRU SUBAREA<< i --------- = --------- --------===-----==------- - ====--------------======= UPSTREAM NODE ELEVATION = 2670.00 DOWNSTREAM NODE ELEVATION = 2440.00 N� CHANNEL LENGTH THRU SUBAREA(FEET) = 1500.00 CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 96.64 -- - _---_ _-_- --- - - - . _ TRAVEL TIME�MIU./ = 3.02 TC(Ml�i.) = 20 76 -- - �� *********************************************************+****************+ �� FLOW PROCESS FROM NODE 2.03 TO NODE 1.03 IS CODE = 8 _______ >>>>> ADDITION OF •UBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.426 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm = .500 SUBAREA AREA(ACRES) = 104.80 SUBAREA RUNOFF(CFS) = 270.20 EFFECTIVE AREA(ACRES) = 137.70 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 137.70 -- FEAK FLOW RATE(CFS) = 355.16 TC(MIN) = 20.76 *************************** FLOW PROCESS FROM NODE 1.03 TO NODE 1.03 IS CODE = 1 _ ~� >> >>>DESIGNA7E INDEPENDENT STREAM FOR CONFLUENCE< > >>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE TIME OF CONCENTRATION(MINUTES) = 20.76 RAINFALL INTENSITY (INCH./HOUR) = 3.43 r � EFFECTIVE STREAM AREA(ACRES) = 137.70 Y� TOTAL STREAM AREA(ACRES) = 137.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 355.16 1: CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 0� - - - - - ---- 1 369.16 13.66 4.593 .56 101.70 2 355.16 20.76 3.426 .56 137.70 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 697.94 192.27 2 617.47 239.40 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 697.94 TIME(MINUTES) = 13.658 EFFECTIVE AREA(ACRES) = 192.27 TOTAL AREA(ACRES) = 239.4O *********************** FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 5 >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<< >>>>>TRAVELTIME THRU SUBAREA<<< ====_______________=_______=___________=========== ====== UPSTREAM NODE ELEVATION = 2440.00 DOWNSTREAM NODE ELEVATION = 2240.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1900.00 CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 CWNNEL FLOW THRU SUBAREA(CFS) = 69?.94 ^ ` �� N� 7RAVEL TI�E(MIN ) = 2 64 TC(Ml�� / = �� . . . . � \) -� FLOW FROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 ___________ >>>>> ADDITION OF SUBAREA 10 MAINLINE PEAK FLOW %- C 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.059 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 114.00 SUBAREA RUNOFF(CFS) = 359.05 EFFECTIVE AREA(ACRES) = 306.27 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 353.40 -- PEAK FLOW RATE(CFS) = 964.62 TC(MIN) = 16.29 ************************************** FLOW FROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 5 � �= >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>>> TRAVELTIME THRU SUBAREA UPSTREAM NODE ELEVATION = 2240'00 DOWNSTREAM NODE ELEVATION = 1940.00 CHANNEL LENGTH THRU SUBAREA = 2500.0) C CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .08 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 964.62 FLOW VELOCITY(FEET/SEC) = 13.49 FLOW DEPTH(FEET) = 5.08 I; 1RAVEL TIME(MIN.) = 3.09 TC(MIN.) = 19.38 ************ FLOW FROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< 1: _____ __ ====__ _ _ _ __ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.595 SOIL CLASSIFICATION IS "B^ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 �� SUBAREA AREA(ACRES) = 51.40 SUBAREA RUNOFF(CFS) = 140.40 EFFECTIVE AREA(ACRES) = 357.67 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 404.80 PEAK FLOW RATE(CFS) = 977.02 TC(MIN) = 19.88 *************************************************************** FLOW FROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.595 0� SOIL CLASSIFICATION IS "B" RESIDENTIAL > .4 DWELLING/ACRE SUBAREA LOSS RATE Fm(INCH/HR) - . , m = . 6750 SUBAREA AREA(ACRES) = 19.00 SUBAREA RUNOFF(CFS) = 49.93 N� EFFECTIVE AREA(ACRES) = 376.67 ~- AVERAGED Fm(INCH/HR) = .566 TOTAL AREA(ACRES) = 423.30 PEAK FLOW RATE(CFS) = 1026.95 �� TC(MIN) = 19'38 ~ . | �� �2 � �� \l \ �/ �********+********************************************�***************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 _ II >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ============.=====================================================,,, 100 YEAR RAINFALL INTEHSITY(INCH/HOUR) = 3.595 C SOIL CLASSIFICATION IS " RESIDENTIAL-> .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .8730 SUBAREA AREA(ACRES) = 7.60 SUBAREA RUNOFF(CFS) = 18.62 � � EFFECTIVE AREA(ACRES) = 384.27 �� ~, AVERAGED Fm(INCH/HR) = .572 TOTAL AREA(ACRES) = 431.40 PEAK FLOW RATE(CFS) = 1045.57 �� TC(MIN) = 19.38 ~�t-- - T" . \ / �� 5 0 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 431.40 L EFFECTIVE AREA(ACRES) = 384.27 PEAK FLOW RATE(CFS) = 1045.57 ==================______==========_========= END OF RATIONAL METHOD ANALYSIS I: 1: `� / II .7 li �� ,� II . ! , { / il II � ` ii \��l [7 � \ / v li _______ #��**4 0�***- RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) 1: Copyright 1983.86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I01 �� Especially prepared for: |� �� RIVERTECH INC. ************************** DESCRIPTION OF STUDY ******* I * RATIONAL METHOD(CCMPUTATION OF LAG FOR WATERSHED 60 DEVELOPED COND. > + * * * . 1: *************** FILE NAME: 100RD6O.IN TIME/DATE OF STUDY: 16:22 9/ 8/1987 �� ~~ USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL*-- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTICN SLOPE = .90 �� *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .7000 �� USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.6100 ~: ****************************************** FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 @� ---- - � - - �� >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS< NATURAL AVERAGE COVER E TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 2760.00 11 DOWNSTREAM ELEVATION = 2540.00 ELEVATION DIFFERENCE = 220.00 = TC = .706*[( 1000.00** 3.00)/( 220.00)]** .20 = 15.147 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 4.220 w� SOIL CLASSIFICATION IS "B" 1 NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 21.08 II TOTAL AREA(ACRES) = 6.40 PEAK FLOW RATE(CFS) = 21.08 / **************************************************************************** �� FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 >> >>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<< II >>>>TRAVELTIME THRU SUBAREA<<<< / ---- ------ ------ ( UPSTREAM NODE ELEVATION = 2540.00 DOWNSTREAM NODE ELEVATION = 2320.00 �� CHANNEL LENGTH THRU SUBAREA(FEET) = 12 _-1.-+,4,:L_ o���`+�.1 / ~ I MANNthGS FACTOR = .080 MAXIrUM DEPTH(FEET) = 4. �z i CHANNEL FLOW THRU SUBAREA(CFS) = 2 1.63 \7 i FLOW VELOCITY(FEET/SEC) = 5.83 FLOW DEPTH(FEET) = .92 11 TRAVEL TIME(MIN. ) = 3.43 TC(MIN.) = 18.58 **** *********** ************** *************************************** ******* I: FLOW FROCESS FROM NODE 1.0t TO NODE 1.02 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< t 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.658 SOIL CLASSIFICATION IS "B" �� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 �� SUBAREA AREA(ACRES) = 14.00 SUBAREA RUNOFF(CFS) = 39.04 EFFECTIVE AREA(ACRES) = 20.40 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 20.40 �� PEAK FLOW RATE(CFS) = 56.68 TC(MIN} = 18.59 °; ******* FLOW FROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 I: >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<< _____========_____==========________ __==== ======___ _____ ___~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.658 I SOIL CLASSIFICATION IS "8" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm( INCH/HR) = .6750 SUBAREA AREA(ACRES) = .40 SUBAREA RUNOFF(CFS) = 1.07 EFFECTIVE AREA(ACRES) = 20.80 II AVERAGED Fm( INCH/HR) = .562 TOTAL AREA(ACRES) = 20.80 li �� PEAK FLOW RATE(CFS) = 57.95 �� TC(MIN) = 18.58 ********************************* *************************************** I F LOW PROCESS FROM NODE 1.02 TO NODE 1 .03 IS CODE = 5 >>>> 'COMPUTE TRAPEZOIDAL-CHANNEL FLOW< >>>>>TRAVELTIME THRU SUBAREA �� __ _________ _ _ _ _=___ __ ___=____ UPSTREAM NODE ELEVATION = 2320.00 DOWNSTREAM NODE ELEVATION = 1920.00 0� CHANNEL LENGTH THRU SUBAREA(FEET) = 1870.00 '� CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 3.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 57.95 I FLOW VELOCITY(FEET/SEC) = 14.45 FLOW DEPTH(FEET) = .67 TRAVEL TIME(MIN.) = 2.16 TC(MIN.) = 20.73 II I I ************************************************************************** FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 __ II >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< = __======== __ ==________ ____ _ ___ _________ _ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.387 I SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .5600 SUBAREA AREA(ACRES) = 2.50 SUBAREA RUNOFF(CFS) = 6.36 EFFECTIVE AREA(ACRES) = 23.30 I AVERAGED Fm(INCH/ER) = .5 ^ � � " II P EAK FLOW RATECFS) = 59 25 ^ h \ l ' TC(MIN> = 20.73 \/ \ 1 ) 1 ' 11 ************************************** FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 N: > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK _________ FLOW<<<<< ---- ============_____======== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.387 �� M SOIL CLASSIFICATION IS "B" �� RESIDENTIAL-' .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 SUBAREA AREA(ACRES) = 48.40 SUBAREA RUNOFF(CFS) = 118.15 EFFECTIVE AREA(ACRES) = 71.70 AVERAGED Fm(INCH/HR) = .638 �� TOTAL AREA(ACRES) = 71.70 PEAK FLOW RATE(CFS) = 177.40 TC(MIN) = 20.73 I: ******************************************************************** FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 5 �� > >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW << I! >>>>>TRAVELTIME THRU SUBAREA<< _ UPSTREAM NODE ELEVATION = 1920.00 i DOWNSTREAM NODE ELEVATION = 1820.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1600.00 CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 177.40 C FLOW VELOCITY(FEET/SEC) = 21.60 FLOW DEPTH(FEET) = 1.08 TRAVEL TIME(MIN.) = 1.23 TC(MIN.) = 21.97 I: ************************************************************************* FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 _ _ �� C >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.253 SOIL CLASSIFICATION IS "A" 0� RESIDENTIAL-' .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .8730 | SUBAREA AREA(ACRES) = 7.30 SUBAREA RUNOFF(CFS) = 15.64 EFFECTIVE AREA(ACRES) = 79.00 II AVERAGED Fm(INCH/HR) = .660 TOTAL AREA(ACRES) = 79.00 PEAK FLOW RATE(CFS) = 184.36 TC(MIN) = 21.97 -- ****************************************************** I FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW, <<<< I ==========_ ______ __________-___=__ ________==___________=� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.253 SOIL CLASSIFICATION IS "B" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 SUBAREA AREA(ACRES) = 31.20 SUBAREA RUNOFF(CFS) = 72.39 �� EFFECTIVE AREA(ACRES) = 110.20 AVERAGED Fm(INCH/HR) = .664 TOTAL AREA(ACRES) = 110.20 �� PEAK FLOW RATE(CFS) = 256'75 1 �� . �' . �� ~� • �� \i'� |���� **************************************************************************+ FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 �� ______ >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< =========-- ----=====--------==================================_======= �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.253 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR} = .7760 SUBAREA AREA(ACRES) = 16.90 SUBAREA RUNOFF(CFS) = 37.67 �� EFFECTIVE AREA(ACRES) = 127.10 AVERAGED Fm(INCH/HR) = .679 TOTAL AREA(ACRES) = 127.10 PEAK FLOW RATE(CFS) = 294.43 TC(MIN) = 21.97 it li ***************** ** ***************************** ******** **** ** ************+ FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 N� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< =~ _==__________=====_____=_____===______=________============ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.253 SOIL CLASSIFICATION IS "B" N� RESIDENTIAL- > 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6000 SUBAREA AREA(ACRES) = 12.60 SUBAREA RUNOFF(CFS) = 30.08 EFFECTIVE AREA(ACRES) = 139.70 AVERAGED Fm(INCH/HR) = .672 �� TOTAL AREA(ACRES) = 139.70 PEAK FLOW RATE(CFS) = 324.51 li TC(MIN) = 21.97 ******************************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 5 �� >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<< >>>>TRAVELTIME THRU SUBAREA , y , �� __ ____ ____________=_________====_____=======_====== UPSTREAM NODE ELEVATION = 1820.00 DOWNSTREAM NODE ELEVATION = 1780.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1100.00 �� CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 324.51 NI FLOW VELOCITY(FEET/SEC) = 20.84 FLOW DEPTH(FEET) = 1.52 TRAVEL TIME(MIN.) = .88 TC(MIN.) = 22.85 II ************************************************************************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 N� > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< �~ ===== ___________==___ ____= _________===______=====_____============ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.165 SOIL CLASSIFICATION IS "B" m� RESIDENTIAL- > 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6000 SUBAREA AREA(ACRES) = 12.50 SUBAREA RUNOFF(CFS) = 28.85 EFFECTIVE AREA(ACRES) = 152.20 N� AVERAGED Fm(INCH/HR) = .666 Of . TOTAL AREA(ACRES) = 152.20 lii PEAK FLOW RATE(CFS) = 342.28 TC(MIN) = 22.85 II ***** **** ************** *** ** ******** ***+*************************+*4.****** _ ! FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 �\�/ /�` /~ >>>> OF SUBAREA TO MAINLINE PEAK FLOW <<<<< --------- 0� ====________________=======________=======- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.165 SOIL CLASSIFICATION IS "A" N� RESIDENTIAL-> .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(IHCH/HR) = .8730 SUBAREA AREA(ACRES) = 4.00 SUBAREA RUNOFF(CFS) = 8.25 EFFECTIVE AREA(ACRES) = 156.20 li AVERAGED Fm(INCH/HR) = .671 TOTAL AREA(ACRES) = 156.20 PEAK FLOW RATE(CFS) = 350.53 TC(MIN) = 22.85 ****************************************************** t FLOW PROCESS FROM NODE 1.05 TO NODE 1.05 IS CODE = 1 >>> ' , .'DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE << =______ __=== =_______======________=======____== li CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.85 RAINFALL INTENSITY (INCH./HOUR) = 3.16 EFFECTIVE STREAM AREA(ACRES) = 156.20 II TOTAL STREAM AREA(ACRES) = 156.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 350.53 li ************************************************* *** ********************** ^ FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 II >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS =====_____=====__ _=== NATURAL AVERAGE COVER �� TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 500.00 UPSTREAM ELEVATION = 2760.00 / � DOWNSTREAM ELEVATION = 2400.00 - ELEVATION DIFFERENCE = 360.00 TC = .706*[( 500.00** 3.00)/( 360.00)]** .20 = 9.056 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.049 m� SOIL CLASSIFICATION IS "B^ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, F (INCH/HR> , m = . 5600 SUBAREA RUNOFF(CFS) = 46.44 TOTAL AREA(ACRES) = 9.40 PEAK FLOW RATE(CFS) = 46.44 `p II � � � � � ���������������������������������������������������������������������� FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 5 ' --- - - - > >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<< . I >>>>> TRAVELTIME THRU SUBAREA <<<< i ------------- --- - ---- ----------- UPSTREAM NODE ELEVATION = 2400.00 DOWNSTREAM NODE ELEVATION = 1960.00 I CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 3.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 4.00 N� CHANNEL FLOW THRU SUBAREA(CFS) = 46.44 �� FLOW VELOCITY(FEET/SEC) = 13.78 FLOW DEPTH(FEET) = .67 TRAVEL TIME(MIN.) = 2.42 TC(MIN.) = 11.47 II _ _ _ __ . i:' II FLOW PROCES3 FROM 4ODE 2 �i T] NODE 2 02 lS CODE = 8 �2 . . ---------- >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW, li 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.125 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 I SUBAREA AREA(ACRES) = 4.00 SUBAREA RUNOFF(CFS) = 16.43 EFFECTIVE AREA(ACRES) = 13 . 40 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 13.40 II PEAK FLOW RATE(CFS) = 55'06 TC(MIN) = 11.47 II ************* ***** ********************** * ******************* ** ************ * FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 8 I >>>>> ADDITlON OF SUBAREA TO MAINLINE PEAK FLOW<<< ==========_____=______===========_________===________=================-==== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.125 I SOIL CLASSIFICATION IS "B" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 SUBAREA AREA(ACRES) = 31.30 SUBAREA RUNOFF(CFS) = 125.36 EFFECTIVE AREA(ACRES) = 44.70 II AVERAGED Fm(INCH/HR) = .641 TOTAL AREA(ACRES) = 44 . 70 PEAK FLOW RATE(CFS) = 180.42 l i TC(MIN) = 11.47 ****************************************** FLOW PROCESS FROM NODE 2.02 TO NODE 1.05 IS CODE = 5 �� >>> >>COMPUTE TRAPEZOIDAL-CHANNEL FLOW< L >>>>>TRAVELTIME THRU SUBAREA, <<<< __ ______ __= UPSTREAM NODE ELEVATION = 1960.00 DOWNSTREAM NODE ELEVATION = 170.00 �� 0� CHANNEL LENGTH THRU SUBAREA(FEET) = 2750.00 CHANNEL BASE(FEET) = 4.00 "2" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 I CHANNEL FLOW THRU SUBAREA(CFS) = 180.42 FLOW VELOCITY(FEET/SEC) = 23.31 FLOW DEPTH<FEET> = 1.30 TRAVEL TIME(MIN.) = 1.97 TC(MIN.) = 13.44 II *************************************************************************** FLOW PROCESS FROM NODE 2.02 TO NODE 1.05 IS CODE = 8 N� >>>> 'ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< _____=____ _____=____ ___ -------- _____ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.588 I SOIL CLASSIFICATION IS "B" RESIDENTIAL- .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 SUBAREA AREA(ACRES) = 35.60 SUBAREA RUNOFF(CFS) = 125.37 EFFECTIVE AREA(ACRES) = 80.30 I AVERAGED Fm(INCH/HR) = .656 TOTAL AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) = 284.18 N� TC(MIN) = 13.44 �� **************** I FLOW PROCESS FRON �ODE 2.02 TD HOCE 1'�5 IS COCE = , ` ' --------------------------------------------------------------------------- II >>>>/ADDlTION OF SUBAREA TO MAINLI�E PEAK FLOW<<<<< h� \- \./ ' C> 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.588 I SOIL CLASSIFICATION IS "B" RESIDENTIAL-, 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6000 SUBAREA AREA(ACRES) = 3.00 SUBAREA RUNOFF(CFS) = 10.77 EFFECTIVE AREA(ACRES) = 83.30 AVERAGED Fm(INCH/HR) = .654 �� TOTAL AREA(ACRES) = 83.30 IR PEAK FLOW RATE(CFS) = 294.95 TC(MIN) = 13.44 ********************* I FLOW PROCESS FROM NODE 2.02 TO NODE 1.05 IS CODE = 8 - --- - - >> , ) , ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< E -- 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 4.588 | SOIL CLASSIFICATION IS "A^ RESIDENTIAL- > 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .7760 SUBAREA AREA(ACRES) = 9.60 SUBAREA RUNOFF(CFS) = 32.94 �� EFFECTIVE AREA(ACRES) = 92.90 AVERAGED Fm(INCH/HR) = .666 TOTAL AREA(ACRES) = 92.90 �� PEAK FLOW RATE(CFS) = 327.88 , TC(MIN) = 13.44 �� N� ******************************** i FLOW PROCESS FROM NODE 1.05 TO NODE 1.05 IS CODE = 1 II >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<< / >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<< _= _ _ _ l�CONFUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: � TIME OF CONCENTRATION(MINUTES) = 13.44 RAINFALL INTENSITY (INCH./HOUR) = 4.59 EFFECTIVE STREAM AREA(ACRES) = 792.90 E TOTAL STREAM AREA(ACRES) = 92.90 PEAK FLOW RATE(CFS) AT CONFLUENCE = 327.88 N� CONFLUENCE INFORMATION: m� STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) II 1 350.53 22.85 3.165 .67 156.20 2 327.88 13.44 4.588 .67 92.90 I RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE I NUMBER Q(CFG) AREA(ACRES) 1 559.41 249.10 2 651.80 184.79 I COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 651.80 TIME(MINUTES) = 13.441 EFFECTIVE AREA(ACRES) = 184.79 I TOTAL AREA(ACRES) = 249.10 ************** II FLOW PROCESS FROM NODE 1. . 0 5 [O NODE 1 06 IS COrE = 5 \ --__----- ----__--__ - _ - _ - -_ ---_-_-_-_--__--__--_---___---_---_------_ C�MPUTE TRA�E�OI�AL CHAhNEL FLOW<< ' ' %� � � " _ `` ` />>>> TRAVELTIME THRU SUBAREA |/ ' / UPSTREAM NODE ELEVATION = 1780.00 DOWNSTREAM NODE ELEVATION = 1705.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2300.00 CHANNEL 8ASE(FEET) = 12.00 "Z'' FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 �� CHANNEL FLOW THRU SUBAREA(CFS) = 651.80 FLOW VELOCITY(FEET/SEC) = 23.30 FLOW DEPTH(FEET) = 1.89 1: 7RAVEL TIME(MIN.) = 1.65 TC(MIN.) = 15.09 *************************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS COLE = 8 >> >>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.232 SOIL CLASSIFICATION IS "B" RESIDENTIAL- > 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6000 SUBAREA AREA(ACRES) = 20.10 SUBAREA RUNOFF(CFS) = 65.70 �� EFFECTIVE AREA(ACRES) = 204.89 AVERAGED Fm(INCH/HR) = .662 TOTAL AREA(ACRES) = 269.20 PEAK FLOW RATE(CFS) = 658.24 TC(MIN) = 15.09 11; *********************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 8 0� ----- - --- - -----------------------' >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.232 SOIL CLASSIFICATION IS "B" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0750 SUBAREA AREA(ACRES) = 9.40 SUBAREA RUNOFF(CFS) = 35.17 EFFECTIVE AREA(ACRES) = 214.29 . / I; AVERAGED Fm(INCH/HR) = .636 TOTAL AREA(ACRES) = 278.60 PEAK FLOW RATE(CFS) = 693.41 TC(MIN) = 15.09 ************************************************* N� FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 > >>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.09 RAINFALL INTENSITY (MON./HOUR) = 4.23 EFFECTIVE STREAM AREA(ACRES) = 214.29 TOTAL STREAM AREA(ACRES) = 278 ^ 60 } PEAK FLOW RATE(CFS) AT CONFLUENCE = 693.41 ************k .1t-A-*.r***************k **ii***.le**k*-4-***********4.**************x* - FLOW PROCESS FROM NODE 3.00 TO NODE 3.01 IS CODE = 2 w� >>> >>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< II NATURAL AVERAGE COVER - ' ° __ _ ' - ___ .� = .� °' �c..u.� �'k '^ ,.��c°.'.u/ �.�.,� ° ' . 1 INITIAL SUBAREA FLOW-LENGTH = 603.00 2|{� UPSTREAM ELEVATION = 2860.00 |�` ^� DOWNSTREAM ELEVATION = 2600.00 I ELEVATION DIFFERENCE = 260.00 TC = .706*[( 600.00** 3.00)/( 260.00)]** .20 = 10.782 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.354 SOIL CLASSIFICATION IS "8" N� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 �� SUBAREA RUNOFF(CFS) = 17.69 II TOTAL AREA(ACRES) = 4.10 PEAK FLOW RATE(CFS} = 17.69 ************************************ II FLOW PROCESS FROM NODE 3.00 TO NODE 3.01 IS CODE = 2 _ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS <<<<< _====______==========__________=======______====~ I DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> .4 DWELLING/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 600.00 N� UPSTREAM ELEVATION = 2860.00 �� DOWNSTREAM ELEVATION = 2600.00 ELEVATION DIFFERENCE = 260.00 TC = .487*[( 600.00** 3.00)/( 260.00)]** .20 = 7.437 I 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 6.943 SOIL CLASSIFICATION IS "8" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 N� SUBAREA RUNOFF(CFS) = 33.85 �� TOTAL AREA(ACRES) = 6.00 PEAK FLOW RATE(CFS) = 33.85 ******************** *** * I * ** **** ******************************************** FLOW PROCESS FROM NODE 3.01 TO NODE 3.02 IS CODE = 5 E >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW. >>>>>TRAVELTIME THRU SUBAREA,--. ======___ _____ __________=_____==____ __==______=_____=__________= UPSTREAM NODE ELEVATION = 2609.00 DOWNSTREAM NODE ELEVATION = 1920.00 III CHANNEL LENGTH THRU SUBAREA(FEET) = 2250.00 CHANNEL BASE(FEET) = 3.00 "2" FACTOR = 3.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 4.00 N� CHANNEL FLOW THRU SUBAREA(CFS) = 33.85 FLOW VELOCITY(FEET/SEC) = 14.44 FLOW DEPTH(FEET) = .52 II TRAVEL TIME(MIN.) = 2.60 TC(MIN.) = 10.04 ********************************************** II FLOW PROCESS FROM NODE 8.01 TO NODE 3.02 IS CODE = 8 __ __ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<< N� 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 5.629 �� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = .80 SUBAREA RUNOFF(CFS) = 3.65 NI EFFECTIVE AREA(ACRES) = 6.80 AVERAGED Fm(lNCH/HR) = .661 TOTAL AREA(ACRES) = 6.80 I PEAK FLOW RATE(CFS) = 33.85 TC(MIN) = 10.04 II ***+k-+******** * *.*-* � *�** ** **********.*****+******* *�+ ******* * **** +**** *** .. ' ` I -------------------------------------------------------_--_________________ >>/>� ACDITIOH OF S R K SUBAREA -EA TO MAIhLI�E PEA FLOW<<<<< fr� -`� ��> I l00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.629 SOIL CLASSIFICATION IS "B^ RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 SUBAREA AREA(AC = 41.00 SUBAREA RUNCFF(CFS) = 182.82 E EFFECTIVE AREA(ACRES) = 4 C:'.80 AVERAGED Fm(INCH/HR) = .673 TOTAL AREA(ACRES) = 47.80 I PEAK FLOW RTE(CFS) = 213.22 TC(MIN) = 10.04 I * FLOW PROCESS FROM NODE 3.02 TO NODE 1.06 IS CODE = 5 >>>>> COMPUTE 7RAPE2OIDAL-CHANNEL FLOW< II >>>>> TRAVELTIME THRU SUBAREA ========== UPSTREAM NODE ELEVATION = 1920.00 I DOWNSTREAM NODE ELEVATION = 1705.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3000.00 CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 II CHANNEL FLOW THRU SUBAREA(CFS) = 213.22 FLOW VELOCITY(FEET/SEC) = 25.10 FLOW DEPTH(FEET) = 1.39 TRAVEL TIME(MIN.) = 1.99 TC(MIN.) = 12.03 - *****************+********* FLOW PROCESS FROM NODE 3.02 TO NODE 1.06 IS CODE = 8 I >> >>>ADDITION CF SUBAREA TO MAINLINE PEAK FLOW ==========___ _ _______=_____============================ C 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.959 SOIL CLASSIFICATION IS "8" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 SUBAREA AREA(ACRES) = 95.78 /SUBAREA RUNOFF(CFS) = 369.30 EFFECTIVE AREA(ACRES) = 143.58 �� AVERAGED Fm(INCH/HR) = .674 TOTAL AREA(ACRES) = 143.58 I PEAK FLOW RATE(CFS) = 553.69 TC(MIN) = 12.03 NI ************************************* FLOW PROCESS FROM NODE 3.02 TO NODE 1.06 IS CODE = 8 II > >>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW --- -----__ , 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.959 SOIL CLASSIFICATION IS "A" I RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .8730 SUBAREA AREA(ACRES) = 3.90 SUBAREA RUNOFF(CFS) = 14.34 EFFECTIVE AREA(ACRES) = 147.48 NI AVERAGED Fm(INCH/HR) = .680 TOTAL AREA(ACRES) = 147.48 PEAK FLOW RATE(CFS) = 568 04 1 . TC(MIN) = 12.03 ******************* II FLOW PROCESS FROM NODE 3.02 TO NODE 1.06 18 CODE = 8 _____-___________________________________-________________________-________ 1C0 /EAR RAI;;F lCo = +.;59 ' ~ I. . .^ SOIL CLASSlFICATION IS "A" N� RESIDE 1 DWELLING/AC SUBAREA LOSS RATE, Fm(INCH/HR) = ^ 7760 N� SUBAREA 1 5 REA(ACRES) = 37.0 SUBAREA RUNOFF(CFS) = 141.19 EFFECTIVE AREA(ACRES) = 194.98 AvERAGED Fm(INCH/HR) = .699 N� TOTAL AREA(ACRES) = 184.98 PEAK FLOW RATE(CFS) = 709.22 TC = 12.03 FLOW FROCESS FROM NODE 3.02 TO NODE 1.06 13 CODE = 8 > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << 0� 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 4.95 ~� SOIL CLASSIFICATION IS "B" RESIDENTIAL- > 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR> = SUBAREA AREA(ACRES) = 13.40 SUBAREA RUNOFF(CFS) = 52.57 B� EFFECTIVE AREA(ACRES) = 198.38 �a AVERAGED Fm(INCH/HR) = .692 TOTAL AREA(ACRES) = 198.38 PEAK FLOW RATE(CFS) = 761.80 N� TC(MIN) = 12.03 FLOW PROCESS FROM NODE 3.02 TO NODE 1.06 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY<IHCH/HOUR) = 4.959 SOIL CLASSIFICATION IS "8" COMMERCIAL SUBAREA LOSS RATE, Fm( INCH/HR) = .0750 SUBAREA AREA(ACRES) = 8.3O SUBAREA RUNOFF(CFS} = 36.49 EFFECTIVE AREA(ACRES) = 206.68 AVERAGED Fm(INCH/HR) = .668 / 0� TOTAL AREA(ACRES) = 206.68 PEAK FLOW RATE(CFS) = 798.28 TC(MIN) = 12.03 ************4.***********o-**N.**0.*****x.*****.*h.***4-*****k*******. FLOW FROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 N� ---------- -- ----- ------------- ! - >>>>> DESIGNATE INDEPENDENT STREAM FCR CONFLUENCE >>>> .AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES-, N� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.03 RAINFALL INTENSITY (INCH./HOUR) = 4.96 0� EFFECTIVE STREAM AREA(ACRES) = 206.68 m� TOTAL STREAM AREA(ACRES) = 206.68 PEAK FLOW RATE(CFS) AT CONFLUENCE = 798.28 N� CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) @� ------------------- ----- 1 693.41 15.09 4.232 .64 214.29 2 798.28 12.03 4.959 .67 206.68 �� RAI THTENSITY TI;/E ~ ~ 1 SUM�ARY RESLLTS: �� �� � ( STREAM CONFLUENCE EFFECTIVE [7 [1 \ ( HUMBER Q(CFS) AREA(ACRES) NI 1 1356.35 420.97 2 1462.93 377.51 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: I PEAK ' FLOW RATE(CFS) = 14293 TIME(MINUTES) = 12 027 EFFECTIVE AREA(ACRES) = 377 . 51 �� TOTAL AREA(ACRES) = 485.28 --\-- \I 44�� � --______===_____===== _____===================____ II END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 485.28 EFFECTIVE AREA(ACRES) = 377.51 111 PEAK FLOW RATE(CFS) = 1462.93 == === - ________ END OF RATIONAL METHOD ANALYSIS 1 E E I E , �� �� / 1 __ 1 ` -- -- ° � ~ N� ----- ------ ---------------------- ********* RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACK (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.10 Release Date: 5/11/87 Serial # I01071 Especially prepared for: RIVERTECH INC. ************************** DESCRIPTION OF STUDY ********************* * RATIONAL METHOD(COMPUTATION OF LAG FOR WATERSHED 70 DEVELOPED COND.) -- * *****-16-************x-*********-***4.-4-4-**-***o.o.*#***--4-1.....p--***, FILE NAME: 100RD70.IN TIME/DATE OF STUDY: 16:24 9/ 8/1987 ====== ==______==============______ ======= N� USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL*-- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 0� SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 �� ~~ *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .7000 USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.5900 **************************************************** FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 >> >>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS m� NATURAL AVERAGE COVER m� TC = K*[(LENGTH** 3'00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 500.00 UPSTREAM ELEVATION = 3000.00 - N� DOWNSTREAM ELEVATION = 2720.00 ELEVATION DIFFERENCE = 280.00 TC = .706*[( 500.00** 3.00)/( 280.00)]** .20 = 9.523 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.767 N� SOIL CLASSIFICATION IS "B^ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 18.75 N� TOTAL AREA(ACRES) = 4.00 PEAK FLOW RATE(CFS) = 18.75 -- *************************************************************************** N� FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< �� >>>>>TRAVELTIME THRU SUBAREA< UPSTREAM NODE ELEVATION = 2720.00 DOWNSTREAM NODE ELEVATION = 2400.00 N� CHAMEL LENGTH THRU SUBAPEA(FEET■ = 1000. " . ..`".����� �"�c.,c- II M�UIJGS FACTGR = .080 MAXlNUM DEPTH(FEET/ = +.' \\7 CHANHEL FLOW THRU . U SU8AREA(CFS) = 18 75 �� \`�) � FLOW VELOCITY(FEET/SEC) = 6.84 FLOW DEPTH(FEET) = .73 TRAVEL TIME(MIN.) = 2.44 TC(MIN,) = 11.96 I ***************** I FLOW PROCESS FROM NODE 1 .01 TO NODE 1 .02 IS CODE = 8 ------- >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 0O �� 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 4.917 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 �W SUBAREA AREA(ACRES) = 12.60 SUBAREA RUNOFF(CFS) = 49.40 �� EFFECTIVE AREA(ACRES) = 16.60 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 16.60 PEAK FLOW RATE(CFS) = 65.09 �� TC(MIN) = 11.96 I: **************** FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 5 E >>>>> COMPUTE TRAPEOIDAL-CHANNEL FLOW >> >>>TRAVELTIME THRU SUBAREA„„- UPSTREAM NODE ELEVATION = 2400.00 DOWNSTREAM NODE ELEVATION = 2200.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1250.00 CHANNEL BASE(FEET) = 4.00 � "Z" FACTOR = 1.000 E MANNINGS FACTOR = .08O MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 65.09 FLOW VELOCITY(FEET/SEC) = 7.51 FLOW DEPTH(FEET) = 1.56 E TRAVEL TIME(MIN. ) = 2.77 TC(MIN. ) = 14.73 *** * ********************* **** *** **** * ** ** ��******************************* * �� FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 m� >>>>.ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< @� - =====-----==--- --- - ---=-----=-----========= -----====~ �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.249 SOIL CLASSIFICATION IS "B^ NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 20.10 SUBAREA RUNOFF(CFS) = 66.73 �� EFFECTIVE AREA(ACRES) = 36.70 AVERAGED Fm(INCH/HR) m = . 560 TOTAL AREA(ACRES) = 36.70 I PEAK FLOW RATE(CFS) = 121.85 \ TC(MIN) = 14.73 ~I ****** - ( FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 5 NI >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<< >>>>>TRAVELTIME THRU SUBAREA << II UPSTREAM NODE ELEVATION = 2200.00 DOWNSTREAM NODE ELEVATION = 2080.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1800 � 1800.00 . CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = ,080 MAXIMUM DEPTH(FEET) = ;-..1') mm | Lr ;.. ��u.� / u - rz, = FLOW VELOCITI(FEET/SEC) = 6.43 FLOW DEPTH(FEET) = 2.52 �� |^�� TRAVEL TIME(MIN.) = 4.66 TC(MIN.) = 19.40 �'/ il~\ ****** FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS COLE = 8 ____________________ >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< N� ----------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HCLR) = 3.505 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 �� SUBAREA AREA(ACRES) = 15.60 SUBAREA RUNOFF(CFS) = 41 35 . . EFFECTIVE AREA(ACRES) = 52.30 AVERAGED Fm(INCH/HR) = .560 I TOTAL AREA(ACRES) = 52.30 PEAK FLOW RATE(CFS) = 138.61 TC(MIN) = 19.40 ******** FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 1: >>>> -ADDITION OF SUBAREA TO MAINLINE PEAK FLQW<<<<< __________ _ _====_ __=______ �� 0N 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.505 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 2.30 SUBAREA RUNOFF(CFS) = 5.5 EFFECTIVE AREA(ACRES) = 54.60 AVERAGED Fm(INCH/HR) = .571 TOTAL AREA(ACRES) = 54.60 �Q PEAK FLOW RATE(CFS) = 144.17 TC(MIN) = 19.40 0� ********************************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.04 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<<< ___ _______ _____===== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.40 C RAINFALL INTENSITY (INCH./HOUR) = 3.50 EFFECTIVE STREAM AREA(ACRES) = 54.60 TOTAL STREAM AREA(ACRES) = 54.60 �� PEAK FLOW RATE(CFS) AT CONFLUENCE = 144.17 � � �� ********************************************* N� FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 _ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<< NATURAL AVERAGE COVER } TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 N� INITIAL SUBAREA FLOW-LENGTH = 750.00 UPSTREAM ELEVATION = 3000.00 DOWNSTREAM ELEVATION = 2640.00 ELEVATION DIFFERENCE = 360.00 N� TC = .706*[( 750.00** 3'00)/( 360.00)]** .20 = 11.550 1 - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.038 { SOIL CLASSIFICATION IS "B^ 0� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) ' ~ 1 = L ./,,, N� TOTAL AREA(ACRES/ 6 10 PE�k F'OW RATE(CFS) 2‘ �r ~~ = . � = � � � ' �*4.- *****40.**** h******4f -%**4.*.t k*-ft. ***** .4-•-* It* *--i4-* 4 k* 4.4. +t * -P-.4 FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 5 >>>>> COMPUTE TRAPEZOIDAL-CHANHEL FLOW C >>>>> TRAVELTIME THRU SUBAREA ===== UPSTREAM NODE ELEVATION = 2640.00 DOWNSTREAM NODE ELEVATION = 2400.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.C,0 CHANNEL BASE(FEET) = 3.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 0� CHANNEL FLOW THRU SUBAREA(CFS) = 24.59 m� FLOW VELOCITY(FEET/SEC) = 7.41 FLOW DEPTH(FEET) = .86 TRAVEL TIME(MIN.) = 1.B0 TC(MIN.) = 13.35 ****441************** *****.***-...**4 *******-R********'4 ** -P-4-4t . - FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 8 �� N� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.553 SOIL CLASSIFICATION IS "B" m� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 18.40 SUBAREA RUNOFF(CFS) = 66.12 0� EFFECTIVE AREA(ACRES) = 24.50 AVERAGED Fm( INCH/HR) = .560 TOTAL AREA(ACRES) = 24.50 PEAK FLOW RATE(CFS) = 88.05 TC(MIN) = 13.35 ***************** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 5 >>>> >COMPUTE TRAPEZOIDAL-CHANNEL/FLOW >>>>>TRAVELTIME THRU SUBAREA- �� UPSTREAM NODE ELEVATION = 2400.00 DOWNSTREAM NODE ELEVATION = 2200.00 C CHANNEL LENGTH THRU SUBAREA(FEET) = 1250.00 CHANNEL BASE(FEET) = 4.00 "2" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 0� CHANNEL FLOW THRU SUBAREA(CFS) = 88.05 FLOW VELOCITY(FEET/SEC) = 8.19 FLOW DEPTH(FEET) = 1.84 15.89 TRAVEL TIME(MIN ) = 2 54 TC(MIN.) = 15 . . . . *************************************** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 8 >>>> :ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<< _ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.030 N� SOIL CLASSIFICATION IS "B" m� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5800 SUBAREA AREA(ACRES) = 39.00 SUBAREA RUNOFF(CFS) = 121.79 N� EFFECTIVE AREA(ACRES) = 63.50 ~~ AVERAGED Fm( INCH/HR) = .560 TOTAL AREA(ACRES) = 63.50 PEAK FLOW RATE(CFS) = 198.31 M� TC(MIN> = 15.39 , . � � ' II `/ { � D ************************************* ^ ! FLUW FROCESS FROM NODE 2.05 TO NODE 1. lS CODE = 5 -- II >>>>> CONFUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>> TRAVELTIME THRU SUBAREA I UPSTREAM NODE ELEVATION = 2200.00 DOWNSTREAM NODE ELEVATION = 2080.00 { CHANNEL LENGTH THRU SUBAREA(FEET) = 1200.00 CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 II MANNlNGS FACTOR = .08O MAXIMUM DEPTH(FEET) = 6.00 198.31 CHANNEL FLOW THRU SUBAREA(CFS) = 198 . FLOW VELOCITY(FEET/SEC) = 8.61 FLOW DEPTH(FEET) = 3.20 TRAVEL TIME(MIN. ) = 2.32 TC(MIN.) = 18.21 �� ******************* I FLOW FROCESS FROM NODE 2.03 TO NODE 1.04 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW �� ________=====___-_____==___ ========_======================= �� 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.663 SOIL CLASSIFICATION 18 "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .560) E SUBAREA AREA(ACRES) = 35.90 SUBAREA RUNOFF(CFS) = 100.25 EFFECTIVE AREA(ACRES) = 99.40 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 99.40 �� PEAK FLOW RATE(CFS) = 277.58 TC(MIN) = 18.21 li ***************************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.04 IS CODE = 1 �0 ----- - - - - - �� >>> INDEPENDENT STREAM FOR CONFLUENCE, << >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES � _________ I � CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: � TIME OF CONCENTRATION(MINUTES) = 18.21 RAINFALL INTENSITY (INCH./HOUR) = 3.66 EFFECTIVE STREAM AREA(ACRES) = 99.40 �� TOTAL STREAM AREA(ACRES) = 99.40 PEAK FLOW RATE(CFS) AT CONFLUENCE = 277.58 I CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) N� 1 144.17 19.40 3.505 .5 54.60 �� 2 277.58 18.21 3.663 .56 99.40 I RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE I NUMBER Q(CFS) AREA(ACRES) 1 407.61 154.00 2 420.24 150.67 II COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 420.24 TIME(MINUTES) = 18.214 EFFECTIVE AREA(ACRES) = 150.67 I TOTAL AREA(ACRES) = 154.00 �z \�^� �'J / � / II ******************************�*********************+*******+****** FLOW PROCESS FROM NODE 1. TO NOCE 1.05 JS CODE = 5 ------ N� >>>>> CONFUTE TRAPEZOIDAL-CHANNEL FLOW <<<<< m� >�>>> TRAVELTIME THRU SUBAREA C UPSTREAM NODE ELEVATION = 2080.00 DOWNSTREAM NODE ELEVATION = 2000.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2250.00 CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .060 MAXIMUM DEPTH(FEET) = 8.00 |� CHANNEL FLOW THRU SUBAREA(CFS) = 4E0.24 FLOW VELOCITY<FEET/SEC> = 8.68 FLOW DEPTH(FEET) = 4.58 I: [RAVEL TIME(MIN.) = 4.32 TC(MIN.) = 22.54 ********************************************************* 11: FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 ADDITION OF SUBAREA TO MAINLINE PEAK FLOW -------------------------- I: 100 YEAR RAINFALL IN7ENSITY(INCH/HOUR) = 3.156 SOIL CLASSIFICATION IS "B NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 �� �W SUBAREA AREA(ACRES) = 85.40 SUBAREA RUNOFF(CFS) = 199.51 EFFECTIVE AREA(ACRES) = 236.07 AVERAGED Fm(INCH/HR) = .562 TOTAL AREA(ACRES) = 239.40 11 PEAK FLOW RATE(CFS) = 550.98 TC(MIN} = 22.54 11 *********************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 0I >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW =__ __=========______========= 100 YEAR RAINFALL INTENSITY(IN9H/HOUR) = 3.156 L SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 36.80 SUBAREA RUNOFF(CFS) = 77.36 EFFECTIVE AREA(ACRES) = 272.87 I AVERAGED Fm(INCH/HR) = .597 TOTAL AREA(ACRES) = 276.20 PEAK FLOW RATE(CFS) = 628.34 I TC(MIN) = 22.54 ***************************** I FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 5 i >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<< >>>>> TRAVELTIME THRU SUBAREA< II _____= =================================_____============================== - ! UPSTREAM NODE ELEVATION = 2000.00 DOWNSTREAM NODE ELEVATION = 1900.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 4000.00 N� CHANNEL BASE(FEET) = 6.00 "2" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 628.34 N� FLOW VELOCITY(FEET/SEC) = 22.75 FLOW DEPTH(FEET) = 2.73 - TRAVEL TIME(MIN.) = 2.93 TC(MIN.) = 25.47 II FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS COCE = 8 ��\^ y � /' >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW, <,' 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.897 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 32.20 SUBAREA RUNOFF(CFS) = 60.19 EFFECTIVE AREA(ACRES) = 305.07 AVERAGED Fm(INCH/HR) = .621 TOTAL AREA(ACRES) = 308.40 PEAK FLOW RATE(CFS) = 628.34 TC(MIN) = 25.47 ***************************************************************************+ FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW =________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.897 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 27.50 SUBAREA RUNCFF(CFS) = 57.84 EFFECTIVE AREA(ACRES) = 332.57 AVERAGED Fm(INCH/HR) = .616 TOTAL AREA(ACRES) = 335.90 PEAK FLOW RATE(CFS) = 682.80 TC(MIN) = 25.47 ************************************************************************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.897 SOIL CLASSIFICATION IS "A" RESIDENTIAL-' 1 DWELLING/ACRE SUkAREA LOSS RATE, Fm(INCH/HR) = .7760 SUBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFS) = 104.98 EFFECTIVE AREA(ACRES) = 387.57 AVERAGED Fm(INCH/HR) = .638 TOTAL AREA(ACRES) = 390.90 PEAK FLOW RATE(CFS) = 787.79 TC(MIN) = 25.47 **************************************************************************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 8 >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.897 SOIL CLASSIFICATION IS ''B" RESIDENTIAL-' .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6750 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.99 EFFECTIVE AREA(ACRES) = 407.57 AVERAGED Fm(INCH/HR) = .640 TOTAL AREA(ACRES) = 410.90 PEAK FLOW RATE(CFS) = 827.78 TC(MIN) = 25.47 ******** FLOW 1-RDCES3 FROM NODE 1.05 TO ■.00E 1.06 18 COLE = 8 ^ / II ------ - -------------------- I ADDlTION OF SUBAREA TO MAI,1LIHE PEAK FLOW <<<<< _- _ /-Tl 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.997 ======== SOIL CLASSIFICATION IS "A" �� RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 8730 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = ?.11 ^ EFFECTIVE AREA(ACRES) = 412.57 ^ C ^ AVERAGED Fm(INCH/HR) = 43 TOTAL AREA(ACRES) = 415.90 PEAK FLOW RATE(CFS) = 836.89 1: TC(MIN) = 25.47 ************************************************ 16 FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS CODE = 1 + >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE << ------ - ==========__________==_____ == N: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: - ===_ TIME OF CONCENTRATION(MINUTES) = 25.47 RAINFALL INTENSITY (INCH./HOUR) = 2.90 0g EFFECTIVE STREAM AREA(ACRES) = 412.57 �� TOTAL STREAM AREA(ACRES) = 415.90 ^ PEAK FLOW RATE(CFS) AT CONFLUENCE = 836.89 -- ************************.**** FLOW PROCESS FROM NODE 3.00 TO NODE 3.01 IS CODE = 2 li >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ---- - NATURAL AVERAGE COVER -- TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 750.00 UPSTREAM ELEVATION = 3080.00 t DOWNSTREAM ELEVATION = 2760.00 ELEVATION D'IFFERENCE = 320.00 TC = .706*[( 750.00** 3.00)/( 1 320.00)]** .20 = 11.825 �W 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.956 ^ °� SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = 5600 SUBAREA RUNOFF(CFS) = 21.76 ^ li TOTAL AREA(ACRES) = 5.50 PEAK FLOW RATE(CFS) = 21.76 II ***************** * * *******************************************************. FLOW PROCESS FROM NODE 3.01 TO NODE 3.02 IS CODE = 5 i - - >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<< ------ II >>>>>TRAVELTIME THRU SUBAREA, ! ----------- _ -- = ------=====------= = UPSTREAM NODE ELEVATION = 2760.00 ------- II ~ DOWNSTREAM NODE ELEVATION = 2520 00 ^ CHANNEL LENGTH THRU SUBAREA(FEET) ^ 1250 00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 4.00 N� CHANNEL FLOW THRU SUBAREA(CFS) = 21.76 -- FLOW VELOCITY(FEET/SEC) = 6.02 FLOW DEPTH(FEET) = 92 TRAVEL TIME(MIN.) = 3.46 TC(MIN.) = 15.29 ^ -- | *************************************************************** FLOW PROCESS FROM NODE 3'01 TO NODE 3.02 13 CODE = B II - - _ ------------- � � I s === � r�=~=�= 10O YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.141 �� \\O SOIL CLASSIFICATION IS "B" I NATURAL AVEHAGE COVER "GRASS" SUBAREA LOSS RATE, Fm = .5600 SUBAREA AREA(ACRES) = 29.1O SUBAREA RLNOFF(CFS) = 93.78 EFFECTIVE AREA(ACRES) = 34.60 AvERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 34.6O m� PEAK FLOW RATE(CFS) = 111.51 TC(MIN) = 15.29 1: ***************** FLOW PROCESS FROM NODE 3.02 TO NODE 3.03 IS CODE = 5 E -- >>>>> CONFUTE TRAPEZOIDAL-CHANNEL FLOW >>>>>TRAVELTIME THRU SUBAREA <<< N� UPSTREAM NODE ELEVATION = 2520'O0 DOWNSTREAM NODE ELEVATION = 2360 00 . CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 E CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 1.000 MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 111.51 FLOW VELOCITY(FEET/SEC) = 8.72 FLOW DEPTH(FEET) = 2.10 �� TRAVEL TIME(MIN.) = 1.91 TC(MIN.) = 17.20 li *********************** **** *************************** ***************** FLOW PROCESS FROM NODE 3.02 TO NODE 3.03 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< @: =====================____ _ ____============================= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3 ^ 813 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 m� SUBAREA AREA(ACRES) = 19.70 SUBAREA RUNOFF(CFS) = 57.67 EFFECTIVE AREA(ACRES) = 54.30 AVERAGED Fm(INCH/HR) = 560 . 1 11; TOTAL AREA(ACRES) = 54.30 PEAK FLOW RATE(CFS) = 158.97 TC(MIN) = 17.20 I: ********************************** II FLOW PROCESS FROM NODE 3.03 TO NODE 3.04 IS CODE = 5 >>> >>COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<< >> >>>TRAVELTIME THRU SUBAREA<<<<< =__ __ ___ __========�= NI UPSTREAM NODE ELEVATION = 2360.00 DOWNSTREAM NODE ELEVATION = 2000.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 1.000 �� MANNINGS FACTOR = .080 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 158.97 II FLOW VELOCITY(FEET/SEC) = 9.95 FLOW DEPTH(FEET) = 2'21 TRAVEL TIME(MIN.) = 3.35 TC(MIN.) = 20.55 *************************************************************************** l� FLOW PROCESS FROM NODE 3.03 TO NODE 3.04 IS CODE = 8 | -- ------ - - ------------ >>>>> OF SUBAREA TO MAINLINE PEAK FLOW II ===============..=.==.=============..====================== i --' - - - ^ ! SOIL CLAS5IFICATION IS " �/ /-/ �� | '' ) NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR> = .5600 SUBAREA AREA(ACRES) = 46.70 SUBAREA RLNOFF(CFS) = 117.95 EFFECTIVE AREA(ACRES) = 101.00 �� AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 101.00 PEAK FLOW RATE(CFS) = 255.09 TC(MIN) = 20.55 Y� ��**�***�*******�****�***�*�***r*** �� FLOW PROCESS FROM NODE 3.04 TO NODE 1.06 IS CODE = 5 | ---- --- - COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<< I >>>>> TRAVELTIME THRU SUBAREA ======___-___ ___ ==________ UPSTREAM NODE ELEVATION = 2000.00 DOWNSTREAM NODE ELEVATION = 1900.00 I CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) =6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 255.09 �� FLOW VELOCITY(FEET/SEC) = 21.54 FLOW DEPTH(FEET) = 1.21 TRAVEL TIME(MIN.) = 1.55 TC(MIN.) = 22.10 PI li ************************************************ FLOW PROCESS FROM NODE 3.04 TO NODE 1.06 IS CODE = 8 �� m� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << =---- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.199 L SOIL CLASSIFICATION IS "B" } NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 16.80 SUBAREA RUNOFF(CFS) = 39.91 11; EFFECTIVE AREA(ACRES) = 117.80 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 117.80 �� PEAK . FLOW RATE(CFS) = 279 83 / �� TC(MIN) = 22.10 �� ******************************** �� FLOW PROCESS FROM NODE 3.04 TO NODE 1.06 IS CODE = 8 ! - - ---- ------ >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< I 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.199 SOIL CLASSIFICATION IS "A" II RESIDENTIAL-> .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .8730 SUBAREA AREA(ACRES) = 6.10 SUBAREA RUNOFF(CFS) = 12.77 EFFECTIVE AREA(ACRES) = 123.90 AVERAGED Fm(INCH/HR) = .575 I TOTAL AREA(ACRES) = 123.90 PEAK FLOW RATE(CFS) = 292.61 TC(MIN) = 22.10 II ********************************** FLOW PROCESS FROM NODE 3.04 TO NODE 1.06 IS CODE = 8 I >>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<< ��___________________________________________________________________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.199 II SOIL CLASSIFICATION IS "B" ^ ~ / II SU3�REA AREA(*CRES) = l� �0 �UARE� �U��OFF�CFS/ = 4.+.== . ` EFFECTIVE AREA(ACRES) = 143.70 127 \` -� ~ L- ARAGED Fm(INCH/HR) = .589 TOTAL AREA(ACRES) = 143.70 I PEAK FLOW RATE(CFS) = 337.59 TC(MIN) = 22.10 �� �� ************************* * * ** * *** *************** **** * *** ***** *** ***** ' FLOW PROCESS FROM NODE 3.04 TO NODE 1.06 IS CODE = 8 ____________________________- �� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLO__W<<< ( --------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.199 SOIL CLASSIFICATION IS "A" �� RESIDENTIAL- > 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .7760 SUBAREA AREA(ACRES) = 10.20 SUBAREA RUNOFF<CFS) = 22.25 �� EFFECTIVE AREA(ACRES) = 153.90 �� m� AVERAGED Fm(INCH/HR) = .602 TOTAL AREA(ACRES) = 153.90 PEA FLOW RATE(CFS) = 359.84 K TC(MIN) = 22.10 �� **************************** �� FLOW PROCESS FROM NODE 1.06 TO NODE 1.06 IS COLE = 1 ________________ >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES m� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 22.10 L RAINFALL INTENSITY (INCH./HOUR) = 3.20 EFFECTIVE STREAM AREA(ACRES) = 153. TOTAL STREAM AREA(ACRES) = 153.90 �� �� PEAK FLOW RATE(CFS) AT CONFLUENCE = 359.84 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTEVSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOLR) (IN/HR) AREA(ACRES) �� 1 836.89 25.47 2.897 .64 412.57 11 2 359.84 22.10 3.199 .60 153.90 { RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: �� STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) I 1 1154.82 566.47 2 1183.48 511.88 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1183.48 TIME(MINUTES) = 22.097 �� EFFECTIVE AREA(ACRES) = 511.88 TOTAL AREA(ACRES) = 569.80 II ************************************************************ �� FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 5 m� >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>>> TRAVELTIME THRU SUBAREA' << ________================================================== II UPSTREAM NODE ELEVATION = 1900.0 ~ | II CH���EL LENGTH 7HRU SU8AREA(FEET) = 1 00 h- \~'Z CHANNEL BASE(FEET) 8 00 "Z" FACTOR 50 ^ 1 0 |/ �\ ] = ^ = ^ MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6. �� CHA�NEL FLOW THRU SUBAREA(CFS) = 1183.48 �� FLOW VELOCITY(FEET/SEC) = 28.33 FLOW DEPTH(FEET) = 3.25 TRAVEL TIME(MIN.) = .59 TC(MIN.) = 22.68 1: **** FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 C >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<< ===========================================______=============-============ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.141 E SOIL CLASSIFICATION IS "A" RESIDENTIAL-> .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR> = .873O SUBAREA AREA(ACRES) = 3.50 SUBAREA RUNOFF(CFS) = 7.14 E EFFECTIVE AREA(ACRES) = 515.38 AVERAGED Fm(INCH/HR) = .632 TOTAL AREA(ACRES) = 573.30 PEAK FLOW RATE(CFS) = 1183.48 TC(MIN) = 22.68 4� ****************************** I: FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 ! -------------------- - --- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << I _____= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.141 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .7760 Ni SUBAREA AREA(ACRES) = 14.50 SUBAREA RUNOFF<CFS) = 30.87 EFFECTIVE AREA(ACRES) = 529.89 AVERAGED Fm(INCH/HR> = . 636 E TOTAL AREA(ACRES) = 587.80 PEAK FLOW RATE(CFS) = 1194.63 TC(MIN) = 22.69 --a--~ , 1 7\ . /¥=10 == === ==== = == I END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 587.80 = EFFECTIVE AREA(ACRES) = 529.28 PEAK FLOW RATE(CFS) = 1194.63 �� __ _____ , END OF RATIONAL METHOD ANALYSIS II > � | II II I I 1 ~ | / ` �� �� h \r � ^\ \ � �� ' . li ************ **____� 1 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) g Copyright 1983486,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # 101071 C Espcilly prepard RIVERTECH INC. ************************** DESCRIPTION OF STUDY ******************* I * RATIONAL METHOD(COMPUTATION OF LAG FOR WATERSHED 70A DEVELOPED COND.) * * *** II FILE NAME: 100RD70A.IN { II TIME/DATE OF STUDY: 16:27 9/ 8/1987 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: 1 ' --*TIME-OF-CONCENTRATION MODEL*-- 11; \ USER SPECIFIED STORM EVENT(YEAR) = 100.00 I SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 �� SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 �� *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* � SLOPE OF INTENSITY DURATION CURVE = .6000 E USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.5000 �� *************************************************************************** FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 , : 7 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS/ACRE | 11 TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1985.00 DOWNSTREAM ELEVATION = 1955.00 ELEVATION DIFFERENCE = 30.00 \ TC = .412*[( 1000'00** 3.00)/( 30.00)]** .20 = 13.167 II 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.726 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA RUNOFF(CFS) = 28.30 I TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 28.30 *************************************************************************** FLOW PROCESS FROM NODE 1.01 TO NODE 1.O2 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< II >>>>>USING USER-SPECIFIED PIPESIZE<<<<< =_____========_______=====_____===== DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.5 INCHES i PIPEFLOW VELOCITY(FEET/SEC.) = 14.0 II UPSTREAM MOUE ELEVATIGM = 1955.00 = ` | i FLCLENG7H(FEET) = 300 0 ��HlNGS N = 0l3 k� \ ~-' ^ ^ \7 | \rl GIVEN PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 ~ � PIPEFLOW THRU SUBAREA(CFS) = 28.30 I TRAVEL TIME(MIN.) = .36 TC(MIN.) = 13.52 ******.k****4(4.*****4*-x**-44-*0P*1.-.**3‘ , ..t.4 - 4 ..t - 4*- -it- of *14-.&-k .P*.*4-4--t- 7 it**.+.• *A....- �� FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 18 CODE = 8 _- - >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< C === ===_____================================�========��======�=============~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR} = 3.667 SOIL CLASSIFICATION IS "A" RESIDENTIAL- 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 C SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 27.77 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.0O C PEAK FLOW RATE(CFS) = 55.53 TC(MIN) = 13.52 `_ ************** FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 18 CODE = 4 �� �� >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<<< >>>>>USING USER-SPECIFIED PIPESIZE PIPEFLOW VELOCITY(FEET/SEC.) = 14.0 �� UPSTREAM NODE ELEVATION = 1944 . O0 DOWNSTREAM NODE ELEVATION = 1931.00 FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 E GIVEN PIPE DIAMETER(INCH) = 27.00 NUMBER OF FIFES = 1 PIPEFLOW THRU SUBAREA(CFS) = 55.53 I; TRAVEL TIME(MIN.) = .60 TC(MIN.) = 14.12 *4**4(****************************..r**-.****4.*-k4-******0-4R-4.************ tt.4.4.* *4. FLOW PROCESS FROM NODE 1.02 / TO NODE 1.03 IS CODE = 8 i >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< --------- I 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.573 SOIL CLASSIFICATION IS "A" RESIDENTIAL-%. 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 29.64 SUBAREA RUNOFF(CFS) = 79.80 EFFECTIVE AREA(ACRES) = 49.64 m� AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 49.64 I PEAK FLOW RATE(CFS) = 133.64 TC(MIN) = 14.12 II ************************************************************************ FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 4 >>>>.COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<< II >>>>>USING USER-SPECIFIED PIPESIZE<< ====_ _ ___ � _ _______________====== ____________ PIPEFLOW VELOCITY(FEET/SEC.) = 18.9 UPSTREAM NODE ELEVATION = 1931.00 = DOWNSTREAM NODE ELEVATION = 1923.00 FLCWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 I PIPEFLOW THRU SUBAREA(CFS) = 133.64 . . � / ,-� .`.' � �,'�� il ' ~~/ �` \� |� ',�� ************************************************************************** li FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 4 __ ___ _________- >>>>> CONFUTE PIPEFLOW TRAVELTlME THRU SUBAREA, <<< dB >>>>> USING USER-SPECIFIED PIPESIZE<<<<< 0� �� PIPEFLOW VELOCITY(FEET/SEC.) = 18.9 UPSTREAM NODE ELEVATION = 1923.00 DCWNSTREAM NODE ELEVATION = 1900.00 m FLOWLENGTH(FEET) = 750.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 133.64 II "TRAVEL TIME(MIN. ) = 66 TC(MIN > = 15 05 . . . *p..” FLOW FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 -- | --- ---- >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW II =======_____=________ ________= _ ===_======================== 100 YEAR RAINFALL INTENSITY = 3 4 . SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 I SUBAREA AREA(ACRES) = 36.16 SUBAREA RUNOFF(CFS) = 93.00 EFFECTIVE AREA(ACRES) = 85.80 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 85.80 11 PEAK FLOW RATE(CFS) = 220.68 TC(MIN) = 15 ^ 05 ii ************************************************* FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 4 II >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<< > >>>>USING USER-SPECIFIED PIPESIZE ===_____ ========= __ =_______============= 0� PIPEFLOW VELOCITY(FEET/SEC.) = 22.9 -- UPSTREAM NODE ELEVATION = 1900'00 DOWNSTREAM NODE ELEVATION = 1857.00 11; FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 220.68 II TRAVEL TIME(MIN.) = .94 TC(MIN.) = 15.99 *************************************************************************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 8 > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<< ' ________ ________ ----------------------------------------- 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.316 SOIL CLASSIFICATION IS "A" RESIDENTIAL-, 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 49.30 SUBAREA RUNOFF(CFS) = 121.32 II EFFECTIVE AREA(ACRES) = 135.10 AVERAGED Fm(INCH/HR) = .582 | TOTAL AREA(ACRES) = 135.10 II PEAK FLOW RATE(CFS) = 332.47 TC(MIN) = 15.99 II ***************** ! � - ' � �.. .� ..L�� �� � ��������������������������������--------------------------���--- m� ----------- / |/ / >>>>> CONFUTE PIPEFLOW 7RAVELTIME THRU SUBAREA <<<<< L� \ -- � ' >�>>> USING USER-SPECIFIED FIFES= / I PIPEFLOW VELOCITY(FEET/SEC. ) = 23.4 { UPS7REAM NODE ELEVATION = 1857.00 DOWNSTREAM NODE ELEVATION = 1817.00 11; FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .O13 GIVEN PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 332.47 �� TRAVEL TIME(MIN. ) = .94 TC(MIN. ) = 16.93 �� ************************************************************************ FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 8 �� ___- >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< = ���~ �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.2O5 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5B20 C SUBAREA AREA(ACRES) = 9.10 SUBAREA RUNOFF(CFS) = 21.48 EFFECTIVE AREA(ACRES) = 144.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 144.20 �� PEAK FLOW RATE(CFS) = 340.38 TC(MIN) = 16.93 I: ********** FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 4 �� �� >>>>>CONFUTE PIPEFLOW TRAVELTINE THRU SUBAREA >>>>>USING USER-SPECIFIED PIPESIZE<<<< II PIPEFLOW VELOCITY(FEET/SEC.) = 8.2 UPSTREAM NODE ELEVATION = 1817.00 ( DOWNSTREAM NODE ELEVATION = 1815.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 II GIVEN PIPE DIAMETER( INCH) = 87.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 340.38 TRAVEL TIME(MIN.) = 2.63 TC(MIN.) = 19.56 **************** II FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.939 I SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 84.85 EFFECTIVE AREA(ACRES) = 184.20 �� AVERAGED Fm(INCH/HR) = . 582 TOTAL AREA(ACRES) = 184.20 PEAK FLOW RATE(CFS) = 390.74 I TC(MIN) = 19.56 ***************************************** �� FLOW PROCESS FROM NODE 1 08 TO NODE 1 09 IS CODE 4 . . = >> >>>CDMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<< �� />� USER-SPECIFIED PlPESIZE . , II PIFEFL3W VELOCIT�(F�ET/SEC.) = 10 9 �� `r ' . � LPSTREAM NODE ELEVATION = 1815.00 \ / | � DOWNSTREAM NODE ELEVATION = 1811.00 �� . FLOWLENGTH(FEET) = 1200.00 MANNINGS N = 013 �� _- GIVEN PIPE DIAMETER( INCH) = 81.00 NUMBER OF PIPES = 1 PIPEFLOW T1-RU SUBAREA(CFS) = 390.74 TRAVEL TIME = 1.83 TC(MIN.) = 21.39 11 *************************** . FLOW PROCESS FROM NODE 1.O9 TO NODE 1 09 IS CODE = 1 �� __ ____ _ -- >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<< ========____ ___==============_______=====================_============== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: �� TIME OF CONCENTRATION(MINUTES) = 21.39 RAINFALL INTENSITY (INCH./HOUR) = 2.79 EFFECTIVE STREAM AREA(ACRES) = 184.20 �� TOTAL STREAM AREA = 184.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 390.74 �� __ *********************************************************** FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 111; >>>>-RATIONAL METHOD INITIAL SUBAREA ANALYSIS << _==___ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS/ACRE ~� TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1980.00 I DOWNSTREAM ELEVATION = 1950.00 ELEVATION DIFFERENCE = 30.00 TC = .412*[( 1000.00** 3.00)/( 30.00)]** .20 = 13.167 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.726 �� SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA RUNCFF(CFS) = 28.30 li TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 28.30 C FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 4 >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA-, 0� >>>>> USING USER-SPECIFIED PIPESIZE =_____=___ ____===========_________========________==___ _ __=_======~ DEPTH OF FLOW IN 21.0 INCH PIPE IS 15.4 INCHES II PIPEFLOW VELOCITY(FEET/SEC. . > = 15 0 UPSTREAM NODE ELEVATION = 1950.00 DOWNSTREAM NODE ELEVATION = 1920.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 �� PIPEFLOW THRU SUBAREA(CFS) = 28.30 TRAVEL TIME(MIN.) = .78 TC(MIN.) = 13.94 ! | II **************** II FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW | =====----- -- -----=======----------==-----====-------�------=------======. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3'600 II SOIL CLASSIFICATI]N IS "A" ' ^ | ! I SUBAREA �REA = 10 C0 SUBA�EA RUNO = 27 17 . . ^ | EFFECTIVE AREA(ACRES) = 20 00 � \\� ' -( ' AvERAGED Fm(INCH/HR) = .582 ~ 11; � TOTAL AREA(ACRES} = 20.00 PEAK FLOW RATE(CFS) = 54.33 TC(MIN) = 13.94 _ ****************** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 4 �� �� >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA >>>>> USING USER-SPECIFIED PIPESIZE<< ===== _________= I PIPEFLOW VELOCITY(FEET/SEC. ) = 11.1 UPSTREAM NODE ELEVATION = 1920.00 i DOWNSTREAM NODE ELEVATION = 1915.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 �� GIVEN PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 i PIPEFLOW THRU SUBAREA(CFS) = 54.33 TRAVEL TIME(MIN.) = .60 TC(MIN.) = 14.55 ri ******************************************************************** I: FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA 10 MAINLINE PEA4 FLOW, =_ _ __=___ _-===== == = ===~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.510 m� SOIL CLASSIFICATION IS "A" RESIDENTIAL- 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 12.00 SUBAREA RUNOFF(CFS) = 31.62 EFFECTIVE AREA(ACRES) = 32.00 -_ AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 32.00 L PEAK FLOW RATE(CFS) = 84.33 TC(MIN) = 14.55 C � *********************************** FLOW PROCESS FROM NODE 2.03 TO NODE 2.04 IS CODE = 4 C >>>> >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ________ __=_____==__ ___=_ ______====_________ PIPEFLOW VELOCITY(FEET/SEC.) = 17.2 I UPSTREAM NODE ELEVATION = 1915.00 DOWNSTREAM NODE ELEVATION = 1890.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 30.O0 NUMBER OF PIPES = 1 �� PIPEFLOW THRU SUBAREA(CFS) = 84.33 TRAVEL TIME(MIN.) = .68 TC(MIN.) = 15.23 il ***** ********************************************************************** FLOW PROCESS FROM NODE 2.03 TO NODE 2.04 IS CODE = 8 II >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<< ____________ _=====_______ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.415 II SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm( INCH/HR) = .5820 SUBAREA AREA(ACRES) = 57.00 SUBAREA RUNOFF(CFS) = 145.35 II EFFECTIVE AREA(ACRES) = 89'00 AVERAGED Fm(INCH/HR) = .582 | - � ` | la �� PE-K FLOW RA7E(CFS) = 226 ^ 96 ! N� TC(MIN = 15,23 L \ to /\ NI ****).-*** FLOW PROCESS FROM NODE 2.04 TO NODE 2.05 IS CODE = 4 ! ----------- li CONFUTE PIPEFLOW TRAVELTIME THRU SUBAREA >>>>>USING USER-SPECIFIED PIPESIZE<<<<< _________ PIPEFLOW VELOCITY(FEET/SEC.) = 20'5 II UPS7REAM NODE ELEVATION = 1890.00 DOWNSTREAM NODE ELEVATION = 1850.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 I GIVEN PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 226. TRAVEL TIME(MIN.) = 1.05 TC(MIN.) = 16.28 II ***************************** FLOW PROCESS FROM NODE 2.04 TO NODE 2.05 IS CODE = 8 II >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< ==================_________===________=____________======================== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.281 11; SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 97.16 ]� �� EFFECTIVE AREA(ACRES) = 129.00 ~� AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 129.00 ' PEAK FLOW RATE(CFS) = 313.35 �� ^ TC(MIN) = 16.29 �� 1 �****1-********4.*.1.*************.f-*).**1;.****4-w.4-************4- 09 IS CODE = 4 FLOW PROCESS FROM NODE 2.05 TO NODE 1 / -- . >> , -.COMPUTE PIPEFLOW TRAVELTIME SUBAREA E >>>> 'USING USER-SPECIFIED PIPESIZE<<<< ===========_______ _______=__ __ __________=_____================= | PIPEFLOW VELOCITY(FEET/SEC.) = 24.9 ' 0� UPSTREAM NODE ELEVATION = 1850.00 �� DOWNSTREAM NODE ELEVATION = 1811.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 I ^ PIPEFLOW THRU SUBAREA(CFS) = 313 35 TRAVEL TIME(MIN.) = .87 TC(MIN.) = 17.15 1 I *i(*.x******4*** ***********4(*************************************4 4t **.t * X -1*** FLOW PROCESS FROM NODE 2.05 TO NODE 1.09 IS CODE = 8 | >>>>>ADDITION OF SUBAREA TO MAINLJ PEAK FLOW <<<<< i �� ==__ __ _=_ ______ _==== _==========_______=______ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.180 SOIL CLASSIFICATION IS "A" � �� RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 93.53 EFFECTIVE AREA(ACRES) = 169.00 \ AVERAGED Fm(INCH/HR) = .582 I TOTAL AREA(ACRES) = 169.00 PEAK FLOW RATE(CFS) = 395.18 i II TC(MIN) = 17.15 ^ � II ***++�********* ***** *k*�*.*** **** -*+***+ ***** +*************** ** FLOW PROCESS FROM NODE 1.09 TO NODE 1.09 IS CODE = 1 ��\/ 0 |� // __________ I > >/>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<< >> COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<< ====== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE E TIME OF CONCENTRATION(MINUTES) = 17.15 RAINFALL INTENSITY (INCH./HOUR) = 3.18 } EFFECTIVE STREAM AREA(ACRES) = 169.00 TOTAL STREAM AREA(ACRES) = 169.00 1 PEAK FLOW RATE(CFS) AT CONFLUENCE = 395.18 E CONFLUENCE INFORMTION STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 390.74 21.39 2.785 .58 .58 184.20 �� 2 395.18 17.15 3.180 58 169.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. �� SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE li NUMBER Q(CFS) AREA(ACRES) 1 725.86 353.20 2 764.60 316 ^ 68 I COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 764.60 TIME(MINUTES) = 17.148 EFFECTIVE AREA(ACRES) = 316.68 TOTAL AREA(ACRES) = 353.20 II **************************************** �� �� FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 IS CODE = 4 } >>>>>CONFUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<<<< L >>>> >USING USER-SPECIFIED PIPESIZE<<< ° --=== PIPEFLOW VELOCITY(FEET/SEC.) = 27 0 ^ ^ UPSTREAM NODE ELEVATION = 1811.00 DOWNSTREAM NODE ELEVATION = 1795.00 �� FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = ^ ^ 764.60 ^ TRAVEL TIME(MIN } = 92 TC(MIN ) = 19.07 0� | 0� **************************************************************************** �� FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< I i --- -- ============= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.082 SOIL CLASSIFICATION IS "A" RESIDENTIAL-' 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 �� SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 89.98 EFFECTIVE AREA(ACRES) = 356.68 AVERAGED Fm(INCH/HR) = . 582 TOTAL AREA(ACRES) = 393.20 l� PEAK FLOW RATE(CFS) = 802.38 / TC(MIN> = 18.07 | ^ �� � �� | / � ~ i `-----'"�'+-``�--'^''`-~'-'`�-'------'''--^',----'-------'- ` -- '' - ` -- --- ,-- II FLDW PROCESS FROM NODE 1.10 TO NOCE 1.11 IS CODE = 4 ____________ >>>>> CONFUTE \ PIPEFLOW TRAVELTIME THRU SUBAREA >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ==============-------====�=======��=================�=========__ PIPEFLOW VELOCITY(FEET/SEC ) = 22 4 . . UPSTREAM NODE ELEVATION = 1795.00 DOWNSTREAM NODE ELEVATION = 1782.00 | - FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH> = 81.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 802.38 TRAVEL TIME(MIN.) = .74 TC(MIN.) = 18.82 ******************************************************************** FLOW PROCESS FROM NODE 1.10 TO NODE 1.11 IS CODE = 8 | - - ------------ --- 11 >>>> , ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ==�=== ==============-----==-------=============================_______==�=, 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.008 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE Fm(INCH/HR> = 5820 ' . SUBAREA AREA(ACRES) = 94.00 SUBAREA RUNOFF(CFS) = 205.23 EFFECTIVE AREA(ACRES) = 450.62 AVERAGED Fm(INCH/HR) = .582 �� TOTAL AREA(ACRES) = 487.20 PEAK FLOW RATE(CFS) = 983.97 TO(MIN) = 18.82 E ************** FLOW PROCESS FROM NODE 1.11 TO NODE 1.11 IS CODE = 1 m� >>> >>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE i - -------======---- ---=-- - ======= - �----=======-----------= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION(MINUTES) = 18.82 RAINFALL INTENSITY (INCH /HOUR) = 3 01 . . EFFECTIVE STREAM AREA(ACRES) = ,450.68 TOTAL STREAM AREA(ACRES) = 487.20 �� PEAK FLOW RATE(CFS) AT CONFLUENCE = 983.97 I! ****************************** FLOW PROCESS FROM NODE 3.00 TO NODE 3.01 IS CODE = 2 >>> >>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 950.00 UPSTREAM ELEVATION = 1872.00 DOWNSTREAM ELEVATION = 1843.00 ELEVATION DIFFERENCE = 29.00 TC = .412*[( 950.00** 3.00)/( 29.00)]** .20 = 12.854 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.781 �� ^ �� SOIL CLASSIFICATION IS "A" RESIDENTIAL- 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA RUNOFF(CFS) = 28.79 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 28.79 ********************** ****************** *** ******************************* - �� FLOH PROCESS FROM NODE 3.01 TO NODE 3.02 13 CODE = 4 �� MU F >/>/> CO�TE PIPEFLOW TRAVELTIME THRU SU8AREN I/ >>>>/ USING USER-SPECIFIED PIPESIZE PIPEFLOW VELOCITY(FEET/SEC.) = 12.0 N� UPSTREAM NODE ELEVATION = 1843.00 ( DOWNSTREAM NODE ELEVATION = 1830.00 FLOWLENGTH(FEET) = 550.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 28.79 TRAVEL TIME(MIN.) = .77 TC(MIN.) = 13.62 11 ********* FLOW PROCESS FROM NODE 3.01 TO NODE 3.02 IS CODE = 8 �� �� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.651 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 27.63 EFFECTIVE AREA(ACRES) = 20.00 =~ AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 55.25 0� TC(MIN) = 13.62 ***************************** �� FLOW FROCESS FROM NODE 3.02 TO NODE 3.03 IS CODE = 4 >>> >>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA,- 0� >>> >>USING USER-SPECIFIED PIPESIZE<<<<< | ===-- - =============------=====-----------------====-----======-------^ PIPEFLOW VELOCITY(FEET/SEC.) = 13.9 I; UPSTREAM NODE ELEVATION = 1830.00 DOWNSTREAM NODE ELEVATION = 1800 ^ 00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 27.�0 NUMBER OF PIPES = 1 @� PIPEFLOW THRU SUBAREA(CFS) = -55.25 TRAVEL TIME(MIN.) = 1.20 TC(MIN.) = 14.82 �� �� ***************************************4-*** FLOW PROCESS FROM NODE 3.02 TO NODE 3.03 IS CODE = 8 >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW _________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3 . 471 SOIL CLASSIFICATION IS "A" RESIDENTIAL-, 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 52.01 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 104.01 I0 TC(MIN) = 14.82 ******************************************************* FLOW FROCESS FROM NODE 3.03 TO NODE 3 04 IS CODE 4 . . = >>> >>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA- -USING USER-SPECIFIED PIPESIZE == �~ 0 ` i �P7REAM /0DE ELEVATION = l8'�� C0 �� � ~ /� \0'` DOWNSTREAM NODE ELEVATION = 1793.00 ° FLOWLENG7H<FEET> = 400.00 MANNINGS N = .013 I GIVEN PIPE DIAMETER(INCH) = 3. NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 10 4.01 ( TRAVEL TIME(MIN.) = .45 TC(MIN.) = 15.27 li **************************************************** *** *** ****** *-.******- FLOW PROCESS FROM NODE 3.03 TO NODE 3.04 IS CODE = (3 ii >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW II 100 YEAR RAINFALL INTENSITY(INCH/HOUR} = 3.409 SOIL CLASSIFICATION IS "A" RESIDENTIAL- 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .582� SUBAREA AREA(ACRES) = 17.CO SUBAREA RUNOFF(CFS) = 43.25 EFFECTIVE AREA(ACRES) = 57.00 �� AVERAGED Fm(INCH/HR) = '582 TOTAL AREA(ACRES) = 57.00 PEAK FLOW RATE(CFS) = 145.03 C TC(MIN) = 15.27 ****************************** I FLOW PROCESS FROM NODE 3.04 TO NODE 1.11 IS CODE = 4 >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBA ,EA <<< >>>>>USING USER-SPECIFIED PIPESIZE<< �� == ====_____=========______===========_�__��____=================_ PIPEFLOW VELOCITY(FEET/SEC.) = 15.1 li UPSTREAM NODE ELEVATION = 1793.00 DOWNSTREAM NODE ELEVATIO = ' N 1782 00 FLOWLENGTH(FEET) = 6O0 ^ 00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 145.03 II TRAVEL TIME(MIN.) = .66 TC(MIN. ) = 15.94 1 l� **********************************************************************- � FLOW PROCESS FROM NODE 1 . 11 TO NODE 1.11 IS CODE = 1 I >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES _ I C0:FLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.94 RAINFALL INTENSITY (INCH./HOUR) = 3.32 EFFECTIVE STREAM AREA(ACRES) = 57.00 TOTAL STREAM AREA(ACRES) = 57.00 �� PEAK FLOW RATE(CFS) AT CONFLUENCE = 145.03 I CONFLUENCE INFORMATION STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 983.97 18.82 3.008 .58 450.68 �� 2 145.03 15.94 3.323 .58 57.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO I CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE II NUMBER Q(CFS> AREA(ACRES) --------------------------------------------- ^ ~ - _ _ 2 1S8� 70 �3G ^ \ �`- 7O ^ � 7 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: ' PEAK FLOW RATE(CFS) = 1112.32 TIME(MINUTES) = 18.8�6 EFFECTIVE AREA(ACRES) = 507.68 N� TOTAL AREA(ACRES) = 544'20 ******************************************* FLOW PROCESS FROM NOCE 1.11 TO NODE 1.12 IS CODE = 4 ! --- -------- --------- - --------- >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA, >>>�> USING USER-SPECIFIED PIPESIZE PIPEFLOW VELOCITY(FEET/SEC') = 26.9 UPSTREAM NODE ELEVATION = 1782.00 m� DOWNSTREAM NODE ELEVATION = 1755.00 FLOWLENGTH(FEET) = 2400.00 MANNINGS N = .013 �� GIVEN PIPE DIAMETER(INCH) = 87.00 NUMBER OF PIPES = 1 �� PIPEFLOW THRU SUBAREA(CFS) = 1112.32 TRAVEL TIME(MIN.) = 1.48 TC(MIN.) = 2O.30 ************************************** FLOW PROCESS FROM NODE 1.11 TO NODE 1.12 18 CODE = 8 N� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ====____-__=========_______===============-========_____=================== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.874 SOIL CLASSIFICATION IS "A" 0� RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm( INCH/HR) = .5820 SUBAREA AREA(ACRES) = 28.00 SUBAREA RUHOFF(CFS) = 57.76 EFFECTIVE AREA(ACRES) = 535.68 N� AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 572.20 PEAK FLOW RATE(CFS) = 1112.32 TC(MIN) = 20.30 t)«e^� *t..- - l c» /� = ================_____=��==========__ END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 572.2 EFFECTIVE AREA(ACRES) = 555.68 PEAK FLOW RATE(CFS) = 1112.32 ==_ ______==== ______====�======________=======��=_____=__ END OF RATIONAL METHOD ANALYSIS I/ . I II �� \ \ � |V� I ************* * ** *********************** �*** ****************** * � * - *** ] RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) N� Copyright 1983,86,87 Advanced Engineering Software (aes) i n� Ver. 4.1C Release Date: 5/11/87 Serial # 101071 Especially prepared for: li RIVERTECH INC. ****************** DESCRIPTION OF STUDY ************************** I ^ * RATIONAL METHOD(COMPUTATION OF LAG FOR WATERSHED 708 DEVELOPED COND.) * * ***************************************************************** 11 FILE NAME: 100R7083.IN TIME/DATE OF STUDY: 16:32 9/ 8/1987 I -- USER SPEClFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: II -- *TIME-OF-CONCENTRATION MODEL*-- ' USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 �� �� . SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = 95 ~� *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .6000 li USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.5300 II **************************** FLOW PROCESS FROM NODE 3.00 TO NODE 3.01 IS CODE = 2 | - II � >>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< _ ____________ -- � DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS/ACRE �� �� TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1811.00 I . . DOWNSTREAM ELEVATION = 1782 00 ELEVATION DIFFERENCE = 29.00 TC = .412*[( 1000.00** 3.00)/( 29.00)7** 20 = 13 256 | ^ ^ ^ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.786 W� SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE. Fm(INCH/HR) = .5820 42 ` SUBAREA RUNOFF(CFS) = 14.42 11 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.42 ***************************************************************************1- 0� FLOW PROCESS FROM NODE 3.01 TO NODE 3.02 IS CODE = 4 s 'COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA-..-.... 11 >>>>>USING USER-SPECIFIED PIPESIZE == ===========____________=___ _ _ DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.3 INCHES ( PIPEFLOW VELOCITY(FEET/SEC') = 11'2 �� UPSTREAM NODE ELEVATION = 1782 . fl0 1 �� --- � _'_ --- ~ ~ ! N� FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .01 �� \' \ N� GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 �7 ` PIPEFLOW THRU SUBAREA(CFS) = 14.42 II TRAVEL TIME(MIN.) = 1.49 TC(MIN.) = 14.75 ******************************************************* �� �� FLOW PROCESS FROM NODE 3.01 TO NODE 3.02 IS CODE = 8 _ __ ___ _ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ========________=______ == NI 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.551 SOIL CLASSIFICATION IS "A" 1 RESIDENTIAL-, 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.36 1 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .582 11 ' TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.72 II TC(MIN) = 14.75 ' II �m ********************** FLOW PROCESS FROM NODE 3.02 TO NODE 3.03 IS CODE = 4 II >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< 1 , -'--.USING USER-SPECIFIED PIPESIZE<<<< __ - PIPEFLOW VELOCITY(FEET/SEC.) = 8.5 R UPSTREAM NODE ELEVATION = 1752.00 ) DOWNSTREAM NODE ELEVATION = 1750.00 0i FLOWLENGTH(FEET) = 200.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 WM ; PIPEFLOW THRU SUBAREA(CFS) = 26.72 I TRAVEL TIME(MIN.) = .39 TC(MIN.) = 15.14 i 11 � | *************** 1 FLOW PROCESS FROM NODE 3.02 ° �O NODE 3.03 IS CODE = 8 I | - >>-..'ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< , === ______ __==______= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.496 II gOIL CLASSIFICATION IS "A" RESIDENTIAL-/ 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 26.22 EFFECTIVE AREA(ACRES) = 20.00 �N AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 52.45 0/ TC(MIN) = 15.14 = ******************************************************************** �� FLOW PROCESS FROM NODE 3.03 TO NODE 3.04 IS CODE = 4 > PIPEFLOW TRAVELTIME THRU SUBAREA<< II >>>>>USIN8 USER-SPECIFIED PIPESIZE< __ =____ PIPEFLOW VELOCITY(FEET/SEC.) = 10.7 II UPSTREAM NODE ELEVATION = 1750.00 DOWNSTREAM NODE ELEVATION = 1745.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 I PIPEFLOW THRU SUBAREA(CFS) = 52'45 ~ _____� ` _ -. . - 1 �� \L~ �� \ ��`um 44,4,k-t* ** ***,. / ( ** -. ** - ** 44- *********4t*k**-0.* , *4-1.-*.ft-4-A...x.i.4t****A. *A ..- ** � FLOW PROCESS FROM NODE 3.03 TO NODE 3.04 IS CODE = 8 I >>>>>ADDITION OF SUB TO MAINLINE PEAK FLOW << - - ] ------------------ --------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.412 1/ SOIL CLASSIFICATION IS "A" ' RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 li SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 50.94 NI EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 ' N� PEAK FLOW RATE(CFS) = 101.88 } �� TC(MIN) = 15.76 I * FLOW PROCESS FROM NODE 3.04 TO NODE 3.05 IS CODE = 4 I COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA -s USING USER-SPECIFIED PIPESIZE<<<< ' ------------- ! ( II PIPEFLOW VELOCITY(FEET/SEC.) = 10.6 �� N� . UPSTREAM NODE ELEVATION = 1745 00 DOWNSTREAM NODE ELEVATION = 1741.00 FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 42.0 NUMBER OF PIPES = 1 II PIPEFLOW THRU SUBAREA(CFS) = 1 TRAVEL TIME(MIN.) = .79 TC(MIN.) = 16.55 -- ***************************************************************** FLOW PROCESS FROM NODE 3.04 TO NODE 3.05 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< __ _ _ _ ====___________ _____ I 100 YEAR RAINFALL INTENSITY(INCH/HOUR = 3.314 ^ I SOIL CLASSIFICATION IS "A" ° RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) 56 54 ) ^ = ^ EFFECTIVE AREA(ACRES) = 63.00 ' II AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 63.00 PEAK FLOW RATE(CFS) = 154.88 N� ^ TC(MIN) = 16 55 | 1 *********************************************************************** I *** FLOW PROCESS FROM NODE 3.05 TO NODE 3.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA< N� > >>>>USING USER-SPECIFIED PIPESIZE �� ___ _________==_____ _______==============__ ____==== PIPEFLOW VELOCITY(FEET/SEC.) = 14.0 UPSTREAM NODE ELEVATION = 1741.00 DOWNSTREAM NODE ELEVATION = 1725.00 �� FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 > PIPEFLOW THRU SUBAREA(CFS) = 154.88 . I TRAVEL TIME(MIN.) = 1.60 TC(MIN.) = 18.15 �� | �� *************** - ------- - --- - - -- � -- / ^ ` I , -------- - >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< 15\P 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.135 �� SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 . SUBAREA AREA(ACRES) = 82.00 SUBAREA RUNOFF(CFS) = 188.39 EFFECTIVE AREA(ACRES) = 145.00 �� AVERAGED Fm( INCH/HR) = .582 TOTAL AREA(ACRES) = 145.00 PEAK FLOW RATE(CFS) = 333.12 II TC(MIN) = 18.15 ********************************************************************* 0� FLOW PROCESS FROM NODE 3.06 TO NODE 3.07 IS CODE = 4 ______ li CONFUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<< >>>>>USING USER PIPESIZE<<<< _ _ ____== ____�________________��___ PIPEFLOW VELOCITY(FEET/SEC.) = 23.5 UPSTREAM NODE ELEVATION = 1725.00 �� DOWNSTREAM NODE ELEVATION = 1677.00 FLOWLENGTH(FEET) = 2000.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 51. NUMBER OF PIPES = 1 II PIPEFLOW THRU SUBAREA(CFS) = 3 12 . TRAVEL TIME(MIN.) = 1.42 TC(MIN.) = 19.57 II **x*4(***** FLOW PROCESS FROM NODE 3.07 TO NODE 3.07 IS CODE = 1 li >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<<< __ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.57 I RAINFALL INTENSITY ( INCH./HOUR) = 3.00 EFFECTIVE STREAM AREA(ACRES) = 145.00 TOTAL STREAM AREA(ACRES) = 145.90 PEAK FLOW RATE(CFS) AT CONFLUENCE = 333.12 �� I ************************************ FLOW PROCESS FROM NODE 4.00 TO NODE 4.01 IS CODE = 2 >>> .'RATIONAL METHOD INITIAL SUBAREA ANALYSIS <<<<< __ _ _____= _ __- _ == "� DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 II INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1755.00 � DOWNSTREAM ELEVATION = 1720.00 N� ELEVATION DIFFERENCE = 35.00 l� TC = .412*[( 1000.00** 3.00)/( 35.00)]** .20 = 12.767 i 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.872 II SOIL CLASSIFICATION IS "A" III RESIDENTIAL-' 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm( INCH/HR) = .5820 SUBAREA RUNOFF(CFS) = 14.80 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.80 1 II ** ** � * *********************************************************************** ' II FLOW PROCESS FROM NODE 4.01 TO NODE 4.02 IS CODE = 4 --- ---------------------- ------------------------- . ~ ` >>/>� U5IN6 USER- FIFES-.CE t�� 1 ======= ~ DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.6 N� UPSTREAM NODE ELEVATION = 1720.00 `° DOWNSTREAM NODE ELEVATION = 1686.00 FLOWLENGTH(FEET) = 1050.00 MANNINGS N = .013 �� 0 GIVEN PIPE DIAMETER(INCH) = 18.0 NUMBER OF PIPES = 1 �� PIPEFLOW THRU SUBAREA(CFS) = 14.80 TRAVEL TIME(MIN.) = 1.51 TC(MIN.) = 14.28 II i ******************* FLOW PROCESS FROM NODE ^ 4 ' 01 TO NODE 4.02 IS CODE = 8 | i >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< / | / 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.621 l SOIL CLASSIFICATION IS ^A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 ! SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.67 EFFECTIVE AREA(ACRES) = 10.00 I AVERAGED Fm( INCH/HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 27.35 N� TC(MIN) = 14.28 �� II **************************************************************, FLOW PROCESS FROM NODE 4.02 TO NODE 4.03 IS CODE = 4 1 | > >>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<< ' II USING USER-SPECIFIED PIPESIZE<<_ _ ____ ______________= | PIPEFLOW VELOCITY(FEET/SEC.) = 5.6 UPSTREAM NODE ELEVATION = 1686.00 I DOWNSTREAM NODE ELEVATION = 1685.00 FLOWLENGTH(FEET) = 250.00 MANNINGS N = .013 \ GIVEN PIPE DIAMETER(INCH) = 30 � 00 NUMBER OF PIPES = 1 II PIPEFLOW THRU SUBAREA(CFS) = 27.35 TRAVEL TIME(MIN.) = .75 TC(MIN.) = 15.02 E **************************************************************************° FLOW PROCESS FROM NODE 4.02 TO NODE 4.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< -- __ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.512 SOIL CLASSIFICATION IS "A" 01 RESIDENTIAL- 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 26.37 EFFECTIVE AREA(ACRES) = 20.00 N� AVERAGED Fm( INCH/HR) = .582 �� TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 52.73 | TC(MIN) = 15.02 II *************************************************************************** �� FLOW PROCESS FROM NODE 4.03 TO NODE 4.04 IS CODE = 4 N� >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<<< >>>>>USING USER-SPECIFIED PIPESIZE 0I « _ ' / 1 , `l N� UPSTREAM NUDE ELEVATlO� = �6G5.�0 |k�/ \ ' \ ~~ DOWNSTREAM NODE ELEVATION = 1684.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 ' GIVEN PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52.73 i TRAVEL TIME(MIN.) = 1.05 TC(NIN.) = 16.07 ~r ***************** ^ FLOW PROCESS FROM NODE 4.03 TO NODE 4.04 IS CODE = 8 II >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< _____ 1 100 YEAR RAINFALL INTENSITY(INCH/HOUR> = 3.372 N� SOIL CLASSIFICATION IS "A" �� ~- RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm( INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 50.22 EFFECTIVE AREA(ACRES) = 40.00 R AVERAGED Fm( INCH/HR) = .582 | TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 100.45 TC(MIN) = 16.07 1 . ******************************** * ****** **** * ********* ****** * * * * ** * * ** FLOW PROCESS FROM NODE 4.04 TO NODE 4.05 IS CODE = 4 * ** I } >>>>>CDMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<<< / II > >>>>USING USER-SPECIFIED PIPESIZE<<< • _______ _======== _________= _====_____===_____====== t PIPEFLOW VELOCITY(FEET/SEC.) = 9.1 UPSTREAM NODE ELEVATION = 1684.00 N� DOWNSTREAM NODE ELEVATION = 1683.00 �� FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 100.45 N� TRAVEL TIME(MIN.) = .92 TC(MIN.) = 16.99 / I *************************************************************************** I FLOW PROCESS FROM NODE 4.04 TO NODE 4.05 IS CODE = 8 - - 1 >> >>>A�ITION OF SUBAREA TO MAINLINE PE� �� <<<<< + �� ___-__ ______ _ ______������_______ ______��- | 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.262 SOIL CLASSIFICATION IS "A" ^ t RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 . SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 55.47 EFFECTIVE AREA(ACRES) = 63.00 il . AVERAGED Fm(INCH/HR) = .582 N� TOTAL AREA(ACRES) = 63.00 PEAK FLOW RATE(CFS) = 151.95 TC(MIN) = 16.99 1 11 *************************************************************************** I FLOW PROCESS FROM NODE 4.05 TO NODE 3.07 IS CODE = 4 --- - - - i >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< II _______==l PIPEFLOW VELOCITY(FEET/SEC.) = 9.6 ' UPSTREAM NODE ELEVATION = 1683.00 DOWNSTREAM NODE ELEVATION = 1677.00 N� FLOWLEMGTH(FEET) = 1380.00 MANNlNGS . N = )13 �� - - '-- - ' -'-- ` / N� PIPEFLOW THRU SUBHREA(CFS/ = l51.�5 �� \� [_ �� \ �\ TRAVEL TIME(MIN.) = 2.41 TC(MIN.) = 19.40 | ******** ************** ***** ******** *** ********************************* ***~ FLOW PROCESS FROM NODE 4.05 TO NODE 3.07 IS CODE = 8 ! -- - - ----- ---------- N� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW N� =====__ ___======================____________=_____=______===�=________====~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.013 SOIL CLASSIFICATION IS "A" II RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm( INCH/HR) = .5820 SUBAREA AREA(ACRES) = 112.00 SUBAREA RUNOFF(CFS) = 245.01 EFFECTIVE AREA(ACRES) = 175.00 N� AVERAGED Fm( INCH/HR) = .582 m� TOTAL AREA(ACRES) = 175.00 PEAK FLOW RATE(CFS) = 382.82 TC(MIN) = 19.40 ***************************** FLOW PROCESS FROM NODE 3.07 TO NODE 3.07 IS CODE = 1 i >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE I >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<< = = - ------ ---------------==================------======== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE TIME OF CONCENTRATION(MINUTES) = 19.40 I RAINFALL INTENSITY ( INCH./HOUR) = 3.01 EFFECTIVE STREAM AREA(ACRES) = 175.00 TOTAL STREAM AREA(ACRES) = 175.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 382.82 i - CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE 11 NUMBER RATE(CFS) (MIN.) ( INCH/HOUR) ( IN/HR) AREA(ACRES) m� --------- - --- - 1 333.12 19.57 2.996 .58 145.00 . II 2 382.82 19.40 ^ 1 3.013 .58 75.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE TRE CO FLU� CE EFFECTIVE �� NUMBER Q(CFS) AREA(ACRES) N� 1 713.37 320.00 �� 2 715.17 318.69 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 715.17 TIME(MINUTES) = 19.397 N� EFFECTIVE AREA(ACRES) =.49 n� TOTAL AREA(ACRES) = 320.00 m= ************************************************************************* ( FLOW PROCESS FROM NODE 3.07 TO NODE 1.13 IS CODE = 4 II . >>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ______ ________________=====_______=____ i PIPEFLOW VELOCITY(FEET/SEC. ) = 30.1 UPSTREAM NODE ELEVATION = 1677.00 DOWNSTREAM NODE ELEVATION = 1638.00 . FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 I GIVEN PIPE DIAMETER( INCH) = 66.0 - _ NUMBER OF PIPES = 1 -_ - _ - -_ '_ / A TRAVEL TI�E(MlH ) = 73 TC(MIW / = 2� 13 t r r7 ' ' ' ^ -- - -- ' -- -- \\ ^ *************************************************** N� FLOW PROCESS FROM NODE 1.13 TO NODE 1.13 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE I -------- --------=== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION(MINUTES) = 20.13 RAINFALL INTENSITY (INCH./HOUR) = 2.95 m� EFFECTIVE STREAM AREA(ACRES) = 318.69 TOTAL STREAM AREA(ACRES) = 320.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 715.17 N� --------- m� END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 320.00 EFFECTIVE AREA(ACRES) = 318'69 N� PEAK FLOW RATE(CFS) = 715 17 _ ^ _===============_______===================^ END OF RATIONAL METHOD ANALYSIS ( = 0� / �� . 0 ' ' I � �u 'l | \� \ \� II --------- *************************************************************************** 1 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE ! (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software Lae �� Ver. 4.1C Release Date: 5/11/87 Serial # I01071 Especially prepared for: I RIVERTECH INC. ** * *********************** DESCRIPTION OF STUDY ******************* * RATIONAL METHOD(COMPUTATION OF LAG FOR WATERSHED 70B DEVELOPED COND.) ~~ * ' ******************* FILE NAME: 100R70B5.IN TIME/DATE OF STUDY: 16:30 9/ 8/1987 II ------ USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: 1 ----- -------------====-------- -------= --*TIME-OF-CONCENTRATION MODEL*-- II USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 li SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = 95 ^ *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .6000 I USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.5300 NI *********************************************************************** FLOW PROCESS FROM NODE 5.00 TO NODE 5.01 IS CODE = 2 I I >>>>> RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<< ==__ _=___ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS/ACRE II TC = K*C(LENGTH** 3.00)/(ELEWqTION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1782.00 ( N� DOWNSTREAM ELEVATION = 1748.00 n� ELEVATION DIFFERENCE = 34.00 TC = .412*[( 1000.00** 3.00)/( 34.00)]** .20 = 12.841 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.859 N� SOIL CLASSIFICATION IS "A" RESIDENTIAL-.. 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR> = .5820 SUBAREA RUNOFF(CFS) = 29.49 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 29.49 �� ******************************* * *** ***************************************** I FLOW PROCESS FROM NODE 5.01 TO NODE 5.02 IS CODE = 4 i ---- - >> >>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA << I >>>>>USING USER SPEC - IFIED PIPESIZE<<<''''---'`~ ~~�'' ~'�~ PIPEFLOW VELOCITY(FEET/SEC.) = 12.3 UPSTREAM NODE ELEVATION = 1748.00 II DOWNSTREAM NODE ELEVATION = 1733.00 GIlEN = 21.00 NUMBER CF FIFES = 1 �1( PIPEFLOW THRU SUBAREA<CFS) = 29.49 \� \ \ TRAVEL TIME(MIN.) = .82 TC(MIN,) = 13.66 �0 | ~~ ******************* FLOW PROCESS FROM NODE 5.01 TO NODE 5.02 IS CODE = 8 ' N� - - -------- ---- ------------- - m� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.719 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .582O SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 28.23 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm( INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 56.46 TC(MIN) = 13.66 *********************** FLOW PROCESS FROM NODE 5.02 TO NODE 5.03 IS CODE = 4 _ -- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA,„: I >>>> :USING USER-SPECIFIED PIPESIZE PIPEFLOW VELOCITY(FEET/SEC.) = 14.2 UPSTREAM NODE ELEVATION = 1733.00 DOWNSTREAM NODE ELEVATION = 1692'00 FLOWLENGTH(FEET) = 1200.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 27.0 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 5 6.46 TRAVEL TIME(MIN.) = 1.41 TC(MIN.) = 15.07 ************************************************************* FLOW PROCESS FROM NODE 5.02 TO NODE 5.03 IS CODE = 8 >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.506 SOIL CLASSIFICATION IS "A" RESIDENTIAL-, 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm( INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 52.63 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 105.26 TC(MIN) 15 II | = 15.07 ^ *********************************** FLOW PROCESS FROM NODE 5.03 TO NODE 5.04 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<< >>>>> USING USER-SPECIFIED PIPESIZE<<<<< ======= PIPEFLOW VELOCITY(FEET/SEC.) = 14.9 UPSTREAM NODE ELEVATION = 1692.00 DOWNSTREAM NODE ELEVATION = 1675.00 �� FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 / PIPEFLOW THRU SUBAREA(CFS) = 105.26 I TRAVEL TIME(MIN. ) = 1 . 12 TC(MIN.) = 16. 1B ,, � II 1 > / \ \� ************************************************* .*** ii. **** *************�*°' FLOW FROCESS FROM NODE 5.03 TO NODE 5.04 IS CODE = 8 I ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< ==== ==_===== �� 100 YEAR RAINFALL INTENSITY(IHCH/HOUR) = 3.358 0� SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR> = .5820 ] SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 67.46 EFFECTIVE AREA(ACRES) = 67.00 II AVERAGED Fm( INCH/HR) = .582 TOTAL AREA(ACRES) = 67.00 PEAK FLOW RATE(CFS) = 167.41 II TC(MIN) = 16.18 ***��***�****�***�***********�*�*** II FLOW PROCESS FROM NODE 5.04 TO NODE 5.05 IS CODE = 4 >>-..COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA< N� >> >>>USING USER-SPECIFIED PIPESIZE<<<<< �� m� ==== ____========_________=____ ----======_======= PIPEFLOW VELOCITY(FEET/SEC.) = 20.2 UPSTREAM NODE ELEVATION = 1675.00 N� DOWNSTREAM NODE ELEVATION = 1650.00 -- FLOWLENGTH(FEET) = 900.00 MANNINGS N = .013 . . GIVEN PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 E PIPEFLOW THRU SUBAREA(CFS) = 167.41 TRAVEL TIME(MIN.) = .74 TC(MIN.) = 16.93 I ************************** FLOW PROCESS FROM NODE 5.05 TO NODE 5.05 IS CODE = 1 > INDEPENDENT STREAM FOR CONFLUENCE <<<<< II ====== -====------======= = ---- __=_____ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION(MINUTES) =, 16.93 RAINFALL INTENSITY ( INCH./HOUR) = 3.27 �� EFFECTIVE STREAM AREA(ACRES) = 67.00 TOTAL STREAM AREA(ACRES) = 67.00 � PEAK FLOW RATE(CFS) AT CONFLUENCE = 167.41 � } ***************** FLOW PROCESS FROM NODE 6.00 TO NODE 6.01 IS CODE = 2 w� >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS ' II = DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS/AC TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 II INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1758.00 DOWNSTREAM ELEVATION = 1720.00 ELEVATION DIFFERENCE = 38.00 I TC = .412*[( 1000.00** 3.00)/( 38.00)]** .20 = 12.559 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.910 SOIL CLASSIFICATION IS "A" I ^ RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 5820 SUBAREA RUNOFF(CFS) = 29.96 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 29.96 . , l | II FLOW PROCESS FRO� N ^ ODE 6.01 TO HODE � 02 IS COLE = 4 ��/ \ �/�1 _____ /_ _ ___ ) >>>/> COMPUTE PIPEFLOW TRAVELTIHE THRU SUBAREA >>>>>USING USER-SPECIFIED PIPESIZE II =______ PIPEFLOW VELOCITY(FEET/SEC.> = 7.5 UPSTREAM NODE ELEVATION = 1720.00 / I DOWNSTREAM NODE ELEVATION = 1717.00 FLOWLENGTH(FEET) = 4O0.00 MANNINGS N = 013 ^ GIVEN PIPE DIAMETER = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 29.96 L TRAk,EL TIME(MIN.) = .88 TC(MIN.) = 13.44 I **************************************** FLOW PROCESS FROM NODE 6.01 TO NODE 6.02 18 CODE = 8 >>>>>ADDITION CF SUBAREA TO MAINLINE PEAK FLOW<< II ------ - ======== =-----------=---------=---- ----------- --- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3,754 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 N� SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 28.55 EFFECTIVE AREA(ACRES) = 20.00 I AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 57.09 TC(MIN) = 13.44 ************************ { FLOW PROCESS FROM NODE 6.02 TO NODE 6.03 IS CODE = 4 -- >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<<<< >>>>> USING USER-SPECIFIED PIPESIZE i ------ -- ---- - - ----- -----==== NI PIPEFLOW VELOCITY(FEET/SEC.) = 14.4 � UPSTREAM NODE ELEVATION = 1717.00 | DOWNSTREAM NODE ELEVATION = 1699.00 N� FLOWLENGTH(FEET) = 800.00 MANNINGS N = .013 �� GIVEN PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 { PIPEFLOW THRU SUBAREA(CFS) = 57.O9 TRAVEL TIME(MIN.) = .93 TC(MIN.) = 14.37 *************************************************************** N� FLOW PROCESS FROM NODE 6.02 TO NODE 6.03 IS CODE = 8 ' �� > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<< II _========__________ _= =====-= ======~ | 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.606 SOIL CLASSIFICATION IS "A" RESIDENTIAL-.- 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 | �� N� . SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS} = 54 44 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 II PEAK FLOW RATE(CFS) = 108 88 | ^ / TC(MIN) = 14.37 A *****************************************x-wr**********************i.******1, FLOW PROCESS FROM NODE 6.03 TO NODE 6.04 IS CODE = 4 __ A >�>>> COMPUTE PIPEFLOW TRA THRU SUBARE 1 _ -- --- - - - , rm 1 = ================================================~ 1 \�\�T� PIPEFLOW VELOCITY(FEET/SEC.) = 13.1 f��1�7 UPSTREAM NODE ELEVATION = 1690 00 ` ° \ . I DOWNSTEAM NODE ELEVATION = 1675.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 i GIVEN PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 ' 12 PIFEFLOW THRU SUBAREA(CFS) = 108.88 �� TRAVEL TIME(MIN.) = 1.27 TC(MIN., = 15.64 �� �� *********** ***************************************************************- �� FLOW PROCESS FROM NODE 6.03 TO NODE 6.04 IS CODE = 8 | 1 >>>> , ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< N� w� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.428 SOIL CLASSIFICATION IS "A" II RESIDENTIAL- 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm = .5820 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 69.15 EFFECTIVE AREA(ACRES) = 67.00 1 AVERAGED Fm(INCH/HR) = .582 I TOTAL AREA(ACRES) = 67.O0 PEAK FLOW RATE(CFS) = 171.60 TC(MIN) = 15.64 � ************************************************* FLOW PROCESS FROM NODE 6.04 TO NODE 5.05 IS CODE = 4 i - ---------- �� >>>>>COMPUTE PIFEFLOW TRAVELTIME THRU SUBAREA <<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<< II PIFEFLOW VELOCITY(FEET/SEC.) = 17.8 UPSTREAM NODE ELEVATION = 1675.00 / DOWNSTREAM NODE ELEVATION = 1650.00 | ^ N� FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 171.60 II TRAVEL TIME(MIN.) = 1.21 T[�(MIN.) = 16.86 / ********************************************** FLOW PROCESS FROM NODE 6.04 TO NODE 5.05 IS CODE = 8 w� --- ----- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAF FLOW<<<<< � � =_ __= N� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.277 � SOIL CLASSIFICATION IS "A" RESIDENTIAL-. 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 I SUBAREA AREA(ACRES) = 34.00 SUBAREA RUNOFF(CFS) = 82.48 . EFFECTIVE AREA(ACRES) = 101.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 101.00 i NI PEAK FLOW RATE(CFS) = 245.00 - TC(MIN) = 16.26 II ************************************************************************** FLOW PROCESS FROM NODE 5.05 TO NODE 5.05 IS CODE = 1 � - ' II �� >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<< >> >>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES, << CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: i I TIME OF CONCENTRATION(MINUTES) = 16.86 ° IIII EFFECTIVE 3TREAM AREA(ACRES) = 101 C0 �i ^ �` TOTAL STREAM AREA(ACRES) = 101~00 ^ |/ \ ^\ PEAK FLOW RATE(CFS) AT CONFLUENCE = 245.00 II CONFLUENCE INFORMATION: ! STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 0� ----- ------ - ------- ---------- ~~ 1 167.41 16.93 3.269 .58 67.00 2 245.00 16.86 3.277 .58 101.00 �� �� RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. A SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 411.67 168.00 1 II II 2 412.23 167.72 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 412.23 TIME(MINUTES) = 16.857 EFFECTIVE AREA(ACRES) = 167.72 1� TOTAL AREA(ACRES) = 168.00 1 II NI ************************************************************************** FLOW PROCESS FROM NODE 5.05 TO NODE 5.06 IS CODE = 4 N� >>>>> COMPUTE PIFEFLOW TRAVELTIME THRU SUBAREA �� >>> >>USING USER-SPECIFIED PIPESIZE PIPEFLOW VELOCITY(FEET/SEC.) = 23.3 ' II UPSTREAM NODE ELEVATION = 1650.00 DOWNSTREAM NODE ELEVATION = 1622 OO . FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 i �� N� GIVEN PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIFEFLOW THRU SUBAREA(CFS) = 412.23 TRAVEL TIME(MIN.) = .95 TC(MIN.) = 17.80 i I 1 **************************************************************************** FLOW PROCESS FROM NODE 5.06 TO NODE 5.06 IS CODE = 1 II >> INDEPENDENT STREAM FOR CONFLUENCE< ==== ____ _ _ ______= ____ ______========_____== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: ! II TIME OF CONCENTRATION(MINUTES) = 17.80 RAINFALL INTENSITY (INCH./HOUR) = 3.17 EFFECTIVE STREAM AREA(ACRES) = 167.72 II . TOTAL STREAM AREA(ACRES> = 168 00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 412.23 { II/ *********************************************************************** ~ FLOW PROCESS FROM NODE 7.00 TO NODE 7.01 IS CODE = 2 II >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< =========_____==========_____=____ _ ____________ ________ __ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 �� INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION 1717 = 1717.00 . N� DOWNSTREAM ELEVATION = 1690.00 �� \ w� ELEVATION DIFFERENCE = 27.0,) { ^omminor 0� 160 YEAR RA�NF� = LL lHTEN6IT;(I�CH/H]UR/ 3 753 �1/\ ^ \ SOIL �LASSIFICATION IS "A" Uv RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) SUBAREA RUNOFF(CFS) = 14.27 TOTAL AREA(ACRES) = 5 .0O PEAK FLOW RATE(CFS) = 14 27 ^ E * FLOW PROCESS FROM NODE 7.01 TO NODE 7.02 18 CODE = 4 >>>>> CONFUTE PIPEFLOW TRAVELTIME THRU SUBAREA >>>>>USING USER-SPECIFIED PIPESIZE DEPTH OF FLOW EN 18.0 INCH FIFE IS 12.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.7 UPSTREAM NODE ELEVATION = 1690.00 DOWNSTREAM NODE ELEVATION = 1663.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 { PIPEFLOW THRU SUBAREA(CFS) = 14.27 TRAVEL TIME(MIN.) = 1.56 TC(MIN.) = 15.01 ***************************** II FLOW PROCESS FROM NODE 7.01 TO NODE 7.02 IS CODE = B >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW | ==---- - - ----- -------- - -- - -------- ==--------===------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.514 } ~~ SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 5. SUBAREA RUNOFF(CFS) = 13.19 I EFFECTIVE AREA(ACRES) = 1 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.39 TC(MIN) = 15.01 . � N� ********************************************* m� FLOW PROCESS FROM NODE 7.02 TO NODE 7.03 IS CODE = 4 | - - - - ---- -----' � N� COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA | N� >>>> -USING USER-SPECIFIED PIPESIZE<< _______ PIPEFLOW VELOCITY(FEET/SEC.) = 8.4 UPSTREAM NODE ELEVATION = 1663.00 DOWNSTREAM NODE ELEVATION = 1660.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.0O NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.39 TRAVEL TIME(MIN.) = .60 TC(MIN.) = 15.60 -- *************************************************************************** FLOW PROCESS FROM NODE 7.02 TO NODE 7.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<< _=================________= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.433 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 25.66 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm = 582 . - '. I �PEAk FLGW RATE(CFS) = { � TC(MIN/ = 15.60 ^ �2 , )/ ` U/ ********* FLOW PROCESS FROM NODE 7.03 TO NODE 7.04 IS CODE = 4 _ _____________ COMPUTE PIPEFLOW TRAVELTINE THRU SUBAREA >>>>> USING USER-SPECIFIED PIPESIZE<<<<< ======== PIPEFLOW VELOCITY(FEET/SEC.) = 10.5 UPSTREAM NODE ELEVATION = 1660.00 DOWNSTREAM NODE ELEVATION = 1643 O0 ^ FLOWLENGTH(FEET) = 1100.00 MANNINGS N = .013 N� GIVEN PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 51.32 TRAVEL TIME(MIN.) = 1.75 TC(MIN.) = 17.36 ************ ********************************* \ FLOW PROCESS FROM NODE 7.03 TO NODE 7.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW = ============�===== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.220 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 16.00 SUBAREA RUNOFF(CFS) = 37 99 ^ EFFECTIVE AREA(ACRES) = 36.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 36.00 PEAK FLOW RATE(CFS) = 85.48 TC(MIN) = 17.36 ******************************** N� FLOW PROCESS FROM NODE 7.04 TO NODE 5.06 IS CODE = 4 | - - - - >> >>>COMPUTE PIPEFLOW TRAVELTIME SUBAREA <<<< >>>>>USING USER-SPECIFIED PIPESI _ PIPEFLOW VELOCITY(FEET/SEC.) = 14.4 UPSTREAM NODE ELEVATION = 1643.00 DOWNSTREAM NODE ELEVATION = 1622.00 FLOWLENOTH(FEET) = 1200.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 85.48 TRAVEL TIME(MIN.) = 1.39 TC(MIN.) = 18.75 *************************************************************************+ FLOW PROCESS FROM NODE 7.04 TO NODE 5.06 IS CODE = N� > >> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< =________=_____ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.075 SOIL CLASSIFICATION IS "A" RESIDENTIAL-. 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 56.00 SUBAREA RUNOFF(CFS) = 125.65 EFFECTIVE AREA(ACRES) = 92.00 AVERAGED Fm(INCH/HR) = .592 TOTAL AREA(ACRES) = 92.00 PEAK FLOW RATE(CFS) = 206.42 TC(MIN) = 18.75 I -_. A **** * ********************+*++******.***********+**+**** **** - FLOW PROCESS FROM NODE 5.06 TO NODE 5.06 18 CODE = 1 ��\�� - -- --------------- -______ }� U�. -------- >> >>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES <<<<< �� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 18.75 II RAINFALL INTENSITY (INCH./HOUR) = 3.07 EFFECTIVE STREAM AREA(ACRES) = 92.00 TOTAL STREAM AREA(ACRES) = 92.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 206.42 |� CONFLUENCE INFORMATION: �� STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE �� m� NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 412.23 17 80 3.172 58 167 72 92.00 ^ ^ ^ / �� 2 206.42 18.75 3.075 .58 / �� RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. II SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE i NUMBER Q(CFS) AREA(ACRES) �� °� 1 615.86 255.09 | 2 603.24 259.72 i COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: II PEAK FLOW RATE(CFS) = 615.86 TIME(MINUTES) = 17.802 EFFECTIVE AREA(ACRES) = 255.09 �� TOTAL AREA(ACRES) = 260.00 �� 1 *********************************************** N� FLOW PROCESS FROM NODE 5.06 TO NODE 1.16 IS CODE = 4 m� - - >>>. PIPEFLOW TRAVELTIME THRU SUBAREA >>>>>USING USER-SPECIFIED PIPESiZE< I --- -------=---- PIPEFLOW VELOCITY(FEET/SEC.) = 23.7 1 UPSTREAM NODE ELEVATION = 1622.00 \ DOWNSTREAM NODE ELEVATION = 1597.00 � ° FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 615.86 I TRAVEL TIME(MIN.) = .93 TC(MIN.) = 18.73 ************** II FLOW PROCESS FROM NODE 1.16 TO NODE 1.16 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< II --=====-----=- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION(MINUTES) = 18.73 | ' RAINFALL INTENSITY (INCH./HOUR) = 3.08 . II EFFECTIVE STREAM AREA(ACRES) = 255 09 TOTAL STREAM AREA(ACRES) = 260.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 615.86 ( I �=====�--- - ---====-----== ----== --- ===== - - _===== ! � END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 260.00 | EFFECTIVE AREA(ACRES) = 255.09 � I PEAK FLOW RATE(CFS) = 615.86 ° , II h / �L� P \ ) J �� *******************���������������������************************�������___ ______ �� ***************- RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) C Copyright 1983,86,87 Advned Eninering Softre (es) Ver. 4.10 Release Date; 5/11/87 Serial if I01071 I: Especially prepared for: RIVERTECH INC. ************************** DESCRIPTION OF STUDY ************************** * RATIONAL METHOD kCOMPUTATION OF LAG FOR WATERSHED 70B DEVELOPED COND.) 0: * * ******************* C FILE NAME: 100R70B1.IN TIME/DATE OF STUDY: 16:34 9/ 8/1987 _______ __ __ _ _ ___=_____ _ ___======== II USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ______==============_____ _ _______==________ _ ___ _====== -- *TIME - OF-CONCENTRATION MODEL*-- I: USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH> = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 1: *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .6000 �� �N - USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR} = 1 5300 Ni ******************************** FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 / 0� > >>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS w� ===- , DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS/ACRE \ I; TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1815.00 II DOWNSTREAM ELEVATION = 1805.00 ELEVATION DIFFERENCE = 10.00 TC = .412*[( 1000.00** 3.00)/( 10.00)7** .20 = 16.402 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.332 SOIL CLASSIFICATION IS "A" m� RESIDENTIAL-. 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA RUNOFF(CFS) = 5.20 II TOTAL AREA(ACRES) = 2.10 PEAK FLOW RATE(CFS) = 5.20 II *************************************************************************** N� FLOW PROCESS FROM NODE 1 .01 TO NODE 1.02 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<<<< >>>>>USING USER-SPECIFIED PIPESIZE<< I ====-------------=======�==== -===----=-------======= = = DEPTH OF FLOW IN 33.0 INCH PIPE IS 5.4 INCHES IR PIPEFLOW VELOCITY(FEET/SEC.) = 8.2 11 UPSTREAM HODE ELEVATION = 1805.00 ^ ` II °`,�Irc=. .^_�- �- _ '~/.�.. ~ `. �_.h- F = ^ LOWLENGTH(FEET) S00 00 MA = ^ �NINGS N 013 \` \ �J � � � GIVEN PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 5.20 TRAVEL TIME(MIN.) = .61 TC(MIN.) = 17.01 ************* ***** ************** ******************************************* i ii FLOW PROCESS FROM NODE 1.01 TO NODE 1.O2 IS CODE = 8 - >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ______ ______ ________=_______________= 0� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.259 �� SOIL CLASSIFICATION IS "A" RESIDENTIAL-' 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 II SUBAREA AREA(ACRES) = EFFECTIVE AREA(ACRES) = 2.41 SUBAREA RUNOFF(CFS) 4.51 = 5.81 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 4.51 I PEAK FLOW RATE(CFS) = 10.87 TC(MIN) = 17.01 li ************************** * ******************************************* ***** FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 4 C > >>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >> >>>USING USER-SPECIFIED PIPESIZE<<<<< _ _ ___ ___ ___ _____==____ _ _===== DEPTH OF FLOW IN 39.0 INCH PIPE IS 7.4 INCHES 11; PIPEFLOW VELOCITY(FEET/SEC.) = 10.0 UPSTREAM NODE ELEVATION = 1796.00 DOWNSTREAM NODE ELEVATION = 1790.00 C FLOWLENGTH(FEET) = 200.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.87 li TRAVEL TIME(MIN.) = .33 TC(MIN.) = 17.35 **************************** ***************************************** ii FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< __ __ ___ _ _ _ _______=_____======== E 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3'222 SOIL CLASSIFICATION IS "A" RESIDENTIAL-- 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE. Fm(INCH/HR) = .5820 I SUBAREA AREA(ACRES) = 26.40 SUBAREA RUNOFF(CFS) = 62.72 EFFECTIVE AREA(ACRES) = 30.91 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 30.91 PEAK FLOW RATE(CFS) = 73.43 =m TC(MIN) = 17.35 �� �� *****************0-************************************************k*** FLOW PROCESS FROM NODE . 1 . 03 TO NODE 1.04 IS CODE = 4 >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA- <, -- > >>>>USING USER-SPECIFIED PIPESIZE<<< _ ____ _ _______========_____=_____ _ ====== DEPTH OF FLOW IN 39.0 INCH PIPE IS 20.5 INCHES I PIPEFLOW VELOCITY(FEET/SEC.) = 16.6 UPSTREAM NODE ELEVATION = 1790.00 DOWNSTREAM NODE ELEVATION = 1776.00 II FLOWLENGTH(FEET) = 500.00 MANNINGS N = .0i3 r = L PlPEFLOW THRU 5UBAREA(CF3/ = � '� - TRAVEL TIME(MIN.) = .50 TC(MI.� = 17.G5 /) ' �~l ****************************************** ~ - FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 8 _____________ -------ADDITION OF SUBAREA TO MAINLINE PEAK FLOW �� =============_____==== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.167 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 4.80 SUBAREA RUNOFF(CFS) = 11.17 EFFECTIVE AREA(ACRES) = 35.71 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 35.71 PEAK FLOW RATE(CFS) = 83.07 TC(MIN) = 17.85 ******************************************************** FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 4 , COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA >>>>> USING USER-SPECIFIED PIPESIZE<< _____=_____ DEPTH OF FLOW IN 39.0 INCH PIPE IS 23.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.7 UPSTREAM NODE ELEVATION = 1776.00 DOWNSTREAM NODE ELEVATION = 1767.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 0i PIPEFLOW THRU SUBAREA(CFS) = 83.07 TRAVEL TIME(MIN.) = .42 TC(MIN.) = 18.27 *************************************************************** -- FLOW PROCESS FROM NODE 1.04 TO NODE 1.05 IS CODE = 8 jY - ----- 11; ADDITION OF SUBAREA TO MAIm�NE PEAK FLOW<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.122 SOIL CLASSIFICATION IS "A" @� RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE. Fm(INCH/HR) = '5ee0 - SUBAREA AREA(ACRES) = 99.10 SUBAREA RUNOFF(CFS) = 203.72 EFFECTIVE AREA(ACRES) = 124.91 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 124.81 PEAK FLOW RATE(CFS) = 285.36 TC(MIN) = 18.27 *********************************************************************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA >>>>> USING USER-SPECIFIED PIPESIZE<<<<< �� m� PIPEFLOW VELOCITY(FEET/SEC. ) = 34.4 UPSTREAM NODE ELEVATION = 1767.00 DOWNSTREAM NODE ELEVATION = 1742.00 �� FLOWLENGTH(FEET) = 900.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 285.36 �� 0� ~ TRAVEL TIME(MIN.) = .44 TC�MIN.) = 18 71 ~ ` 1` ) �\ ' N� ] / y **************************** FLOW PROCESS FROM NODE 1.05 TO NODE 1.06 IS CODE = > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.079 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 65.30 SUBAREA RUNOFF(CFS) = 146.72 EFFECTIVE AREA(ACRES) = 190.11 AVERAGED Fm(INCH/HR) = .582 . -- TOTAL AREA(ACRES) = 190.11 PEAK FLOW RATE(CFS) = 427.16 TC(MIN) = 18.71 **************************************************** FLOW PROCESS FROM NODE 1.06 TO NODE 1.07 IS CODE = 4 �� >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA >>>> -USING USER-SPECIFIED PIPESIZE<<< PIPEFLOW VELOCITY(FEET/SEC.) = 38.7 UPSTREAM NODE ELEVATION = 1742.00 DOWNSTREAM NODE ELEVATION = 1699.00 FLOWLENGTH(FEET) = 1475.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 427.16 TRAVEL TIME(MIN.) = .64 TC(MIN.) = 19.35 -' ** ************************************************************************* + FLOW PROCESS FROM NODE 1.06 TO NODE 1.0 18 CODE = 8 >>>> , ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< __=_ _ ------------------ ITY(INCH/HOUR) = 3.017 100 YEAR RAINFALL INTENS "A" SOIL CLASSIFICATION IS "A' RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFS) = 120.55 EFFECTIVE AREA(ACRES) 245 = 245.11 . AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 245.11 PEAK FLOW RATE(CFS) = 537.26 ( TC(MIN) = 19.35 ******************************************** FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 4 1 - >>>> , COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA << > , ) ,, USING USER-SPECIFIED PIPESIZE = ________ _ PIPEFLOW VELOCITY(FEET/SEC.) = 37.9 UPSTREAM NODE ELEVATION = 1699.00 DOWNSTREAM NODE ELEVATION = 1666.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 537.26 TRAVEL TIME(MIN.) = .57 TC(MIN.) = 19.92 *********************************************************************** **** , FLOW PROCESS FROM NODE 1.07 TO NODE 1.08 IS CODE = 8 ADDITIO� OF SUBAREA TO MAIHLINE PEAK FLOW<(<�< � �- 111 J| ==�==== ====�================================�====�======�==========��===== 100 YEAR RAlNFALL INTENSITY(INCH/HOUR) = 2.965 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 - SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 19.30 EFFECTIVE AREA(ACRES) = 254.11 1~ AVERAGED Fm(INCH/HR) = 582 t ^ �10 TOTAL AREA(ACRES) = 254.11 PEAK FLOW RATE(CFS) = 545.02 1: TC(MIN) = 19.92 * FLOW PROCESS FROM NODE 1.08 TO NODE 1.09 IS CODE = 5 0� --- --- - -------- ----_ COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>>> TRAVELTIME THRU SUBAREA ______ UPSTREAM NODE ELEVATION = 1666.00 ===== DOWNSTREAM NODE ELEVATION = 1665.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 900'00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 15.00 CHANNEL FLOW THRU SUBAREA(CFS) = 545.02 C ^ FLOW VELOCITY(FEET/SEC) = 6.67 FLOW DEFTH(FEET) = 10 21 TRAVEL TIME(MIN.) = 2.25 TC(MIN.) = 22.17 *************************************************** FLOW PROCESS FROM NODE 1.08 TO NODE 1.09 IS CODE = 8 0A >>> >>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.781 SOIL CLASSIFICATION IS "A" N� RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 53.43 EFFECTIVE AREA(ACRES) = 281.111 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 281.11 PEAK FLOW RATE(CFS) = 556.31 1: TC(MIN) = 22.17 ******************************************** FLOW PROCESS FROM NODE 1.09 TO NODE 1.10 IS CODE = 5 >>>> , COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>>> TRAVELTIME THRU SUBAREA �� °� UPSTREAM NODE ELEVATION = 1665 00 ^ DOWNSTREAM NODE ELEVATION = 1664.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 820.00 �� CHANNEL BASE(FEET) = 8.00 "2" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 15.00 CHANNEL FLOW THRU SUBAREA(CFS) = 556.31 FLOW VELOCITY(FEET/SEC) = 6.97 FLOW DEPTH(FEET) = 9.98 �� TRAVEL TIME(MIN.) = 1.96 TC(MIN.) = 24.13 ****************************************** FLOW PROCESS FROM NODE 1.09 TO NODE 1 10 IS CODE = 8 . �� �� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ° ~ YEAR RAII1FALL lNTEHSITY(INCH/HOUR) = 2 ^ t43 ~ 4` }� ' w SOIL CLASSIFICATION IS "A" ^U RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 48.23 EFFECTIVE AREA(ACRES) = 307.11 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 307.11 ( 410 � PEAK FLOW RATE(CFS) = 569.65 TC(MIN) = 24.13 *************************************************** �� FLOW PROCESS FROM NODE 1.10 TO NODE 1.11 IS CODE = 5 ', COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<< �� >>>TRAVELTIME THRU SUBAREA<< _ UPSTREAM NODE ELEVATION = 1664.00 DOWNSTREAM NODE ELEVATION = 1662.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 850.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 15.00 �� CHANNEL FLOW THRU SUBAREA(CFS) = 569.65 FLOW VELOCITY(FEET/SEC) = 9.19 FLOW DEPTH(FEET) = 7.75 1: TRAVEL TIME(MIN.) = 1.54 TC(MIN.) = 25.67 ********************************** FLOW PROCESS FROM NODE 1.10 TO NODE 1.11 IS CODE = 8 >>>> -ADDITION OF SUBAREA TO MAINLINE PEAK FLOW, << =_______======_ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.547 SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF■CFS) = 45.97 �� EFFECTIVE AREA(ACRES) = 333.11 ~� AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 333.11 . 7 PEAK FLOW RATE(CFS) = 589.97 �� TC(MIN) = 25.67 ******************************************************************* FLOW PROCESS FROM NODE 1.11 TO NODE 1.11 IS CODE = 1 =', DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE< __________ _======= ========__ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 25.67 RAINFALL INTENSITY (INCH./HOUR) = 2.55 333.11 EFFECTIVE STREAM AREA(ACRES) = 333 . TOTAL STREAM AREA(ACRES) = 333.11 11; PEAK FLOW RATE(CFS) AT CONFLUENCE = 588.97 ****************x*********************************.t***4(**************-m***** FLOW PROCESS FROM NODE 2.00 TO NODE 2.01 IS CODE = 2 >> METHOD INITIAL SUBAREA ANALYSIS<<< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH = 900.00 � » I DOWNSTREAM ELEVATION = 1720.0 �z /tl(� 0 �� ( U \ ELEVATION DIFFERENCE = 20.00 ' TC = .412*[( 900.00** 3.00)/( 20.00)1** .20 = 13.404 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.760 �� SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA RUNOFF(CFS) = 14.30 K � 1 TOTAL AREA(ACRES) = 5.00 PEA FLOW RATE(CFS) = 14.30 V� ********************************* �� FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 4 , COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<<<< >>>>> USING USER-SPECIFIED PIPESIZE< 0� ___ =-_ __ -----=- _---- --- -- ________ DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.3 C UPSTREAM NODE ELEVATION = 1720.00 DOWNSTREAM NODE ELEVATION = 1700.00 FLOWLENGTH(FEET) = 800.00 MANNINGS N = .013 �� �� GIVEN PIPE DIAMETER(INCH) = 18.O0 NUMBER OF PIPES = 1 ~� PIPEFLOW THRU SUBAREA(CFS = 14.30 TRAVEL TIME(MIN.) = 1 29 TC(MIN.) = 14 69 ^ ^ ^ ^ . ii } **************************************************************************+ FLOW PROCESS FROM NODE 2.01 TO NODE 2.02 IS CODE = 8 �� �� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW << 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.559 SOIL CLASSIFICATION IS "A" �� RESIDENTIAL- 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.40 EFFECTIVE AREA(ACRES) = 10.00 II AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.79 / 11; TC(MIN) = 14.69 . C ****************************************************.***4-**************** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 4 i ------ ------ ' �� >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA �� >>>>>USING USER-SPECIFIED PIPESIZE<<<<< _ --- ___==_______==== } DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.5 INCHES ' PIPEFLOW VELOCITY(FEET/SEC.) = 10.3 I UPSTREAM NODE ELEVATION = 1700.00 DOWNSTREAM NODE ELEVATION = 1696 00 . | FLOWLENGTH(FEET) = 240.00 MANNINGS N = .013 I GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.79 | TRAVEL TIME(MIN.) = .39 TC(MIN.) = 15.08 1 II i ********************************************** * ************************* *** FLOW PROCESS FROM NODE 2.02 TO NODE 2.03 IS CODE = 8 I >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 1 =====____ __======_____ ___-______==== ` �� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.504 � �� SOIL CLASSIFICATION IS "A" ' � - - - - - - ' x 4 � . SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNDFF([FS) = EFFECTIVE AREA(ACRES) = 20'00 AVERAGED Fm( INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 ie PEAK FLOW RATE(CFS) = 52.59 TC(MIN} = 15.08 t: ***************************************** FLOW PROCESS FROM NODE 2.03 TO NODE 2.04 IS CODE = 4 �J � - - - ------' >>>>> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA< >>>>>USING USER-SPECIFIED PIPESIZE �� . PIPEFLOW VELOCITY(FEET/SEC.) = 10 7 �� ~~ UPSTREAM NODE ELEVATION = 1696.00 DOWNSTREAM NODE ELEVATION = 1692.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 1: GIVEN PIPE DIAMETER( INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52. 11: TRAVEL TIME(MIN.) = .62 TC(MIN.) = 15.70 ******************************************************************* FLOW PROCESS FROM NODE 2.03 TO NODE 2.04 IS CODE = 8 m� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW - - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.420 SOIL CLASSIFICATION IS "A" RESIDENTIAL-- 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 45.97 C EFFECTIVE AREA(ACRES) = 38.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 38.00 PEAK FLOW RATE(CFS) = 97.05 1: TC(MIN) = 15.70 ************************************************************************** FLOW PROCESS FROM NODE 2.04 TO NODE 2.05 IS CODE = 4 >>>> -COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA << >>>>> USING USER-SPECIFIED PIPESIZE<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 13.7 UPSTREAM NODE ELEVATION = 1692.00 DOWNSTREAM NODE ELEVATION = 1687.00 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.0 NUMBER OF PIPES = 1 0� PIPEFLOW THRU SUBAREA(CFS) = 9 7.05 TRAVEL TIME(MIN.) = .42 TC(MIN.) = 16 13 . . *************************************************************************** FLOW PROCESS FROM NODE 2.04 TO NODE 2.05 IS CODE = 8 �� �� >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.365 C SOIL CLASSIFICATIDN IS "A RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 17.00 SUBAREA RUNOFF(CFS) = 42.58 EFFECTIVE AREA(ACRES) = 55'00 AVERAGED Fm(INCH/HR) = .582 �� �� � ~ , I PE�K FLOW RATE(CFS) � 137.77 �� TC(MIN) = 16.13 >� . I: *************** FLOW PROCESS FROM NODE 2.05 TO NODE 1.11 IS CODE = 4 t __ ___ COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>> USING USER-SPECIFIED PIPESIZE<< ====_____==______== ______================================_ PIPEFLOW VELOCITY(FEET/SEC.) = 16.6 �� UPSTREAM NODE ELEVATION = 1687.00 DOWNSTREAM NODE ELEVATION = 1662.00 FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 �� PIPEFLOW THRU SUBAREA(CFS) = 137.77 TRAVEL TIME(MIN.) = 1.32 TC(MIN.) = 17.45 i: ********************************* FLOW PROCESS FROM NODE 1.11 TO NODE 1.11 IS CODE = 1 �� �� >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE > >>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES 11; _____=====__ _________ ___===_____ _ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.45 RAINFALL INTENSITY (INCH./HOUR) = 3.21 Z EFFECTIVE STREAM AREA(ACRES) = 55.00 TOTAL STREAM AREA(ACRES) = 55.O0 ! PEAK FLOW RATE(CFS) AT CONFLUENCE = 137.77 CONFLUENCE INFORMATION: �� STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) �� m� 1 588.97 25.67 2.547 .58 333.11 2 137.77 17.45 3.210 .58 55.00 � / �� RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO ~~ CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: E STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 691.98 388.11 I 2 673.44 281.51 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 691.98 TIME(MINUTES) = 25.667 I EFFECTIVE AREA(ACRES) = 388.11 TOTAL AREA(ACRES) = 388. *************************************************************************** -- FLOW PROCESS FROM NODE 1.11 TO NODE 1.12 IS CODE = 5 >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW << I >>>>>TRAVELTIME THRU SUBAREA-< ===_______= II UPSTREAM NODE ELEVATION = 1662.00 DOWNSTREAM NODE ELEVATION = 1660.00 �� CHANNEL LENGTH THRU SUBAREA(FEET) = 800 ' 00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 15.00 I CHAMNEL FLOW THRU SUBREA(CFS) = 6p1.98 _ �� ^ . / II TRAEL TI�EMIN.) = 1.37 TC(Mi = '2-7„,_,/+ F \c�� \ t- | OR ***** 41 FLOW PROCESS FROM NODE 1.11 TO NODE 1.12 IS CODE = 8 -------------- >>>/>ADDITION OF SUBAREA TO MAlNLINE PEAK FLOW <<<< C 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.468 SOIL CLASSIFICATION IS "A" RESIDENTIAL-. 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 �� SUBAREA AREA(ACRES) = 22.00 SUBAREA RUNOFF(CFS) = 37.35 / EFFECTIVE AREA(ACRES) = 410.11 AVERAGED Fm(INCH/HR) = .582 1141 TOTAL AREA(ACRES) = 410.11 PEAK FLOW RATE(CFS) = 696.23 TC(MIN) = 27.04 E �**** FLOW PROCESS FROM NODE 1.12 TO NODE 1.13 IS CODE = 5 I II >>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW. <<<< > >>>>TRAVELTIME THRU SUBAREA-.,-:, === _______ ________ _ C UPSTREAM NODE ELEVATION DOWNSTREAM NODE ELEVATION = 1638.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 U �� CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = .000 � ~� MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 15.00 CHANNEL FLOW THRU SUBAREA(CFS) = 696.23 FLOW VELOCITY(FEET/SEC) = 17.63 FLOW DEPTH(FEET) = 4.94 C TRAVEL TIME(MIN. ) = 1.99 TC(MIN.) = 28.93 t FLOW PROCESS FROM NODE 1'12 TO NODE 1.13 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAIN�INE PEAK FLOW<<<<< E _ _ __= _____==== 2.370 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2 ^ SOIL CLASSIFICATION IS "A" I RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm( INCH/HR) = .5820 SUBAREA AREA(ACRES) = 60.00 SUBAREA RUNOFF(CFS) = 96.56 ' EFFECTIVE AREA(ACRES) = 470.11 AVERAGED Fm(INCH/HR) = .582 I TOTAL AREA(ACRES) = 470.11 PEAK FLOW RATE(CFS) = 756 ^ 59 ) TC(MIN) = 28.93 � II * | FLOW PROCESS FROM NODE 1.13 TO NODE 1.13 IS CODE = 1 II >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE-,( ==___ __ =_____ =___ _==== _______ _ ======== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE 11 TIME OF CONCENTRATION(MINUTES) = 28.93 RAINFALL INTENSITY (INCH./HOUR) = 2.37 EFFECTIVE STREAM AREA(ACRES) = 470.11 I TOTAL STREAM AREA(ACRES) = 470.11 PEAK FLOW RATE(CFS) AT CONFLUENCE = 756.59 II .***+*****4***** ******* * *** ******** *+***+* ' | , . i II ______________________________________________________________________ >>>>> USER SPECIFIED HYDROLOGY INFORMATION AT NO 0 DE'< << -- `` \� USER-SPECIFIED VALUES ARE AS FOLLOWS: -------==~ TC(MIN) = 20.13 RAIN INTENSITY(INCH/HOUR) = 2.95 ~~ EFFECTIVE AREA(ACRES) = 318 . 69 1: TOTAL AREA(ACRES) = 320.00 PEAK FLOW RATE(CFS) = 715.17 AVERAGED LOSS RATE, Fm(IN/HR) = .582 ***** ********* ******************************************** ************* ***- FLOW PROCESS FROM NODE 1.13 TO NODE 1.13 IS CODE = 1 -- __ _ >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<<<< I > >>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ---- - =-------=--- ---=-------= _ _______ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: II TIME OF CONCENTRATION(MINUTES) = 20.13 ^ RAINFALL INTENSITY (INCH./HOUR) = 2 95 �� EFFECTIVE STREAM AREA(ACRES) = 318.69 TOTAL STREAM AREA(ACRES) = 320.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 715.17 ~� CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE li NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 756.59 28.93 2.370 .58 470.11 2 715.17 20.13 2.946 .58 318.69 - RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. 11; SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) I 1 1297.49 788.80 2 1411.25 645.82 ^ COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1411.25� TIME(MINUTES) = 20.130 I EFFECTIVE AREA(ACRES) = 645.82 TOTAL AREA(ACRES) = 790.11 -_ ******************** * *************** � FLOW PROCESS FROM NODE 1.13 TO NODE 1.14 IS CODE = 5 II >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW << >>>>>TRAVELTIME THRU SUBAREA<<<< UPSTREAM NODE ELEVATION = 1638.00 �� DOWNSTREAM NODE ELEVATION = 1629.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1320.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = .000 I MANNINGS FACTOR = .015 MAXIMUM DEFTH(FEET) = 15.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1411 ^ 25 FLOW VELOCITY(FEET/SEC) = 16.66 FLOW DEPTH(FEET) = 10.59 II TC(MIN.) . TRAVEL TIME(MIN.) = 1.32 TC(MIN > = 21 45 ************************************** II FLOW PROCESS FROM NODE 1.13 TO NODE 1.14 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 11 ., w II SOIL CLASSIFICATION IS ^^ / � \ \ - 1 /1 ^ ` RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE. Fm = .5820 SUBAREA AREA(ACRES) = 42.00 SUBAREA RUNOFF(CFS) = 85.20 EFFECTIVE AREA(ACRES) = 687.82 AVERAGED Fm(INCH/HR) = .582 �� TOTAL AREA(ACRES) = 832.11 PEAK FLOW RATE(CFS) = 1411.25 U� �� TC(MIN) = 21.45 "� ********* I FLCW PROCESS FROM NODE 1.14 TO NODE 1.15 IS CODE = 5 ) >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW 0; - >>>>>TRAVELTIME THRU SUBAREA< ------ -------------- UPSTREAM NODE ELEVATION = 1629.00 DOWNSTREAM NODE ELEVATION = 1614.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1320.00 �� CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 15.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1411.25 li FLOW VELOCITY(FEET/SEC) = 20.59 FLOW DEPTH(FEET) = 8.57 | TRAVEL TIME(MIN.) = 1.07 TC(MIN.) = 22.52 i E ****************** * FLOW PROCESS FROM NODE 1.14 TO NODE 1.15 IS CODE = 8 ____ E >> >>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< . _ ____ ----------------------------------- ____ _____= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.755 E SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 42.00 SUBAREA RUNOFF(CFS) = 82.12 EFFECTIVE AREA(ACRES) = 729.82 E AVERAGED Fm(INCH/HR) = .582 } TOTAL AREA(ACRES) = 874.11 PEAK FLOW RATE(CFS) = 1426.99 � �� TC(MIN) = 22.52 / � _ ************************************ I FLOW PROCESS FROM NODE 1.15 TO NODE 1'1 IS CODE = 5 >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>>>TRAVELTIME THRU SUBAREA<<<< �� === _ ___ =____ _-_===== UPSTREAM NODE ELEVATION = 1614.00 DOWNSTREAM NODE ELEVATION = 1597.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1220.00 �� CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 15.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1426.99 I FLOW VELOCITY(FEET/SEC) = 22.43 FLOW DEPTH(FEET) = 7.95 TRAVEL TIME(MIN.) = .91 TC(MIN.) = 23.43 �� -~ ************************************************************************* FLOW PROCESS FROM NODE 1.15 TO NODE 1.16 IS CODE = 8 II >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< =_________ ______======_____=_____============_____ ____=== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.690 II SOIL CLASSIFICATION IS ^A^ 41mmmormir -- - I SUBA ARE�<AC 3 RES) = 8.00 SUBARE� RUHOFFF3 ' / = 72 10 EFFECTIVE AREA(ACRES) = 767'82 � � \M� AVERAGED Fm(INCH/HR■ = .582 \� \� TOTAL AREA(ACRES) = 912.11 PEAK FLOW RATE(CFS) = 1456.7 v� TC(MIN) = 23.43 r e ********** FLOW PROCESS FROM NODE 1.16 TO NODE 1.16 IS CODE = 1 >>>>> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE << m� ____=______________=_________===========_____== _____====_______=_===_ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.43 I RAINFALL INTENSITY (INCH./HOLR) = 2.69 EFFECTIVE STREAM AREA(ACRES) = 767.82 TOTAL STREAM AREA(ACRES) = 912.11 �� �� . PEAK FLOW RATE(CFS) AT CONFLUENCE = 1456 74 ************************************************************************** I FLOW PROCESS FROM NODE 1.16 TO NODE 1'16 IS CODE = 7 ' - >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE- <<< C _______ ====___________===_== USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.73 RAIN INTENSITY(INCH/HOUR) = 3.08 EFFECTIVE AREA(ACRES) = 255.10 I: TOTAL AREA(ACRES) = 260.00 PEAK FLOW RATE(CFS) = 615.81 AVERAGED LOSS RATE, Fm(IN/HR) = .582 1: ********************** FLOW PROCESS FROM NODE 1.16 TO NODE 1.16 IS CODE = 1 E >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES =______ E CONFLUENCE VALUES USED FOR INDEENDENT STREAM 2 ARE TIME OF CONCENTRATION(MINUTES) = 18.73 RAINFALL INTENSITY (INCH./HOUR) = 3.08 EFFECTIVE STREAM AREA(ACRES) = 255.10 TOTAL STREAM AREA(ACRES) = 260.00 �� PEAK FLOW RATE(CFS) AT CONFLUENCE = 615.81 I CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 1456.74 23.43 2.690 .58 767.82 -- 2 615.81 18.73 3.077 .58 255.10 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO II CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE I NUMBER Q(CFS) AREA(ACRES) 1 1977.14 1022.92 2 1994.04 868.99 II COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1994.04 TIME(MINUTES) = 18.730 EFFECTIVE AREA(ACRES) = 868.99 11 TOTAL AREA(ACRES) = 1172.11 ° = II �� ******************************************************+*****� 1,0 *** **, FLOW PROCESS FROM NODE 1.16 TO NODE 1.17 IS CODE = 5 II � __ >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>> TRAVELTIME THRU SUBAREA MI UPSTREAM NODE ELEVATION = 1597.00 �� DOWNSTREAM NODE ELEVATION = 1536.00 , / CHANNEL LENGTH THRU SUBAREA(FEET) = 3800.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = .000 0� MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 15.0O �� CHANNEL FLOW THRU SUBAREA(CFS) = 1994.04 FLOW VELOCITY(FEET/SEC) = 25.21 FLOW DEPTH(FEET) = 9.89 -- TRAVEL TIME(MIN.) = 2.51 TC(MIN.) = 21.24 ******************************************* I FLOW PROCESS FROM NODE 1.16 TO NODE 1.17 18 CODE = 8 { >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ===_ II _ ____________======== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.853 ! SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 li SUBAREA AREA(ACRES) = 156.00 SUBAREA RUNOFF(CFS) = 318.81 EFFECTIVE AREA(ACRES) = 1024 99 | ^ | AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 1329.11 11; PEAK FLOW RATE(CFS) = 2094.73 TC(MIN) = 21.24 I: **1-* > FLOW PROCESS FROM NODE 1.17 TO NODE 1.18 IS CODE = 5 I; >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW >>>>>TRAVELTIME THRU SUBAREA <<<< __7 UPSTREAM NODE ELEVATION = 1�u6.00 N� DOWNSTREAM NODE ELEVATION = 1527.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 600.00 CHANNEL BASE(FEET) = 8.00 "Z^ FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 15.00 m� CHANNEL FLOW THRU SUBAREA(CFS) = 2094 ' 73 FLOW VELOCITY(FEET/SEC) = 24.72 FLOW DEPTH(FEET) = 10.59 II TRAVEL TIME(MIN.) = .40 TC(MIN.) = 21.65 ...NI-- � ��`� �� - �m 0 __ ___=______=====�=_____ _____ END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 1328.11 I EFFECTIVE AREA(ACRES) = 1024.99 PEAK FLOW RATE(CFS) = 2094.73 - -------====----=======-----===~ II END OF RATIONAL METHOD ANALYSIS �� U� 11 II / , . \ I \c�� \J | \ \ | ' ' ` I ******* RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) ii Ver. 4.1C Release Date: 5/11/87 Serial # 101071 Especially prepared for: li RIVERTECH INC. ******* DESCRIPTION OF STUDY *************************_ * RATIONAL METHOD(COMPUTATIOH OF LAG FOR WATERSHED 60 DEVELOPED COND.) I * * ***************************************************************** 11 FILE NAME: 100RD80.IN TIME/DATE OF STUDY: 16:36 9/ 8/1987 01 =_______ _______= USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME - OF-CONCENTRATION MODEL*-- I: USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* `- SLOPE OF INTENSITY DURATION CURVE = .7000 li USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1'6000 I *************** ******* ******* ********************************************* FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 T N; ..:' METHOD INITIAL SUBAREA ANALYSIS<<<< - - - - - -- ----- ---- - - ==____ ----=------= DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS/ACRE ' li TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** 20 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1680.00 DOWNSTREAM ELEVATION = 1650.00 II ELEVATION DIFFERENCE = 30.00 TC = .412*[( 1000.00** 3.00)/( 30.00)3** .20 = 13.167 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.626 SOIL CLASSIFICATION IS "A^ �� RESIDENTIAL-: 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA RUNOFF(CFS) = 26 ^ 20 { II TOTAL AREA(ACRES) = 7.20 PEAK FLOW RATE(CFS) = 26.20 **************************************** �� FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 5 ~~ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<< >>>>>TRAVELTIME THRU SUBAREA<<<< ==___ ___=_______=_ ___===========___________==_ — UPSTREAM NODE ELEVATION = 1650.00 DOWNSTREAM NODE ELEVATION = 1625.00 CHANNEL LENGTH THFU SUBAREA(FEET) = 10 ' -.` II MA�NINGS FACTOR = 015 �AXIM�M DEPTH(FEET> = 4 00 �� '�� . . � CHANNEL FLOW THRU SUBAREA(CFS) = 26.2) - ' �' FLOW VELOCITY(FEET/SEC) = 9.73 FLOW DEPTH(FEET) = .67 TRAVEL TIME(MIN.) = 1.71 TC(MIN.) = 14.88 *************************************************** 11 FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 _ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< --------------------------------------------- ==========�======== = II 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.246 SOIL CLASSIFICATION IS "A" RESIDENTIAL-, 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 II SUBAREA AREA(ACRES) = EFFECTIVE AREA(ACRES) = 1 7.4.10 30 SUBAREA RUNOFF(CFS) = 23.42 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 14.30 PEAK FLOW RATE(CFS) = 47.16 �� TC(MIN) = 14.88 � I *** - FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 N� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW �� ========_ ____ _ ------------------------------------------- | 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.246 SOIL CLASSIFICATION IS "A" I RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm( INCH/HR) = .8730 SUBAREA AREA(ACRES) = 11.30 SUBAREA RUNOFF(CFS) = 34.31 EFFECTIVE AREA(ACRES) = 25.60 li AVERAGED Fm(INCH/HR) = .710 TOTAL AREA(ACRES) = 25.60 PEAK FLOW RATE(CFS) = 81.47 TC(MIN) = 14.88 ** ** 11 FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 5 - - - ---------- - >>> >>COMPUTE TRAPEZOIDAL-CHANNEL FLOW << >>>>>TRAVELTIME THRU SUBAREA<<< ==___ ________= _____====______====______=_______=__________====== -- UPSTREAM NODE ELEVATION = 1625 ^ 00 DOWNSTREAM NODE ELEVATION = 1560.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2250.00 I CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 1.500 MANNINOS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 81.47 I FLOW VELOCITY(FEET/SEC) = 13.36 FLOW DEPTH(FEET) = .95 TRAVEL TIME(MIN.) = 2.81 TC(MIN.) = 17.69 II**************************************************************************** FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW„„ �� _======____________=_ __ _____________ _____ _ _ _== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.763 SOIL CLASSIFICATION IS "A" II RESIDENTIAL- > 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 { SUBAREA AREA(ACRES) = 20.80 SUBAREA RUNOFF(CFS) = 59.54 i EFFECTIVE AREA(ACRES) = 44.40 II AVERAGED Fm■INCH/HR> = .653 _- -- --- I PEAK FLOW RTE = 12' 9 TC(MIN) = 17'69 \ \ I * FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 ______ >>>>> ADDITION OF SUBAREA TO MAINLINE PEA FLOW �111 ==K ==== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.763 SOIL CLASSIFICATION IS "A^ RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 8730 �� SUBAREA AREA(ACRES) = 22.00 SUBAREA RUNOFF(CFS) = 57.21 ^ EFFECTIVE AREA(ACRES) = 68.40 AVERAGED Fm(INCH/HR) = .724 I: TOTAL AREA(ACRES) = 68.40 PEAK FLOW RATE(CFS) = 187.08 TC(MIN) = 17.69 li \ ************************* FLOW PROCESS FROM NOCE 1.02 TO NODE 1.03 IS CODE = 8 II >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW, << - ____________======_ li 1O0 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.763 SOIL CLASSIFICATION IS "B" RESIDENTIAL- > 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .6000 SUBAREA AREA(ACRES) = 21.40 SUBAREA RUNOFF(CFS) = 60.91 li EFFECTIVE AREA(ACRES) = 89.80 | AVERAGED Fm(INCH/HR) = .694 | TOTAL AREA(ACRES) = 89.80 PEAK FLOW RATE(CFS) = 247.99 I TC(MIN) = 17.69 *************************************************************************** �� FLOW PROCESS FROM NODE 1.03 TO NODE 1.08 IS CODE = 5 , / >>>> .COMPUTE TRAPEZOIDAL-CHANNEL FLOW <<<< >>>>>TRAVELTIME THRU SUBAREA<<<< E < UPSTREAM NODE ELEVATION = 1560.00 I DOWNSTREAM NODE ELEVATION = 1530.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 150O 00 ^ ) CHANNEL BASE(FEET) = 6.00 "2" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 II CHANNEL FLOW THRU SUBAREA(CFS) = 247.99 FLOW VELOCITY(FEET/SEC) = 16.24 FLOW DEPTH(FEET) = 1.77 TRAVEL TIME(MIN.) = 1.54 TC(MIN.) = 19.23 �� �� **************************************************************************** II FLOW FROCESS FROM NODE 1.03 TO NODE 1.08 IS CODE = 8 > >>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<<< =======- --=------======- =======---------======-----=--------= �� N� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.549 �� SOIL CLASSIFICATION IS "A" RESIDENTIAL- > .4 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .8730 I SUBAREA AREA(ACRES) = EFFECTIVE AREA(ACRES> = 292.5O .30 SUBAREA RUNOFF(CFS) = 6.02 AVERAGED Fm(INCH/HR) = .699 TOTAL AREA(ACRES) = 92.30 II F 4 EAK FLOW RATE(CFS) = 27.99 _- ' - - e - - II ��� m/� ****** I FLOW PROCESS FROM NODE 1.03 TO NOCE K 1.08 IS CO�E = 8 -- > >>>>ADDITICN OF SUBAREA TO MAINLINE PEA FLOW =============-====================-===================-==================- 100 /EAR RAINFALL INTEHSITY(INCH/HOUR) = 3.549 I SOIL CLASSIFICATION IS "A" RESIDENTIAL- > 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .7760 SUBAREA AREA(ACRES) = 6.50 SUBAREA RUNOFF(CFS) = 16.22 N� �� EFFECTIVE AREA(ACRES) = 98.80 AVERAGED Fm( INCH/HR) = . TOTAL AREA(ACRES) = 98.80 PEAK FLOW RATE(CFS) = 252.97 I TC(MIN) = 19.23 ***************** �� FLOW PROCESS FROM NODE 1.03 TO NODE 1.08 IS CODE = 8 >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<< II _ =______===========_____============_____===_____=====_____=_____===� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3 549 . SOIL CLASSIFICATION IS ^B" I . RESIDENTIAL-> 1 DWELLING/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = 600O SUBAREA AREA(ACRES) = 20.20 SUBAREA RUNOFF(CFS) = 53.61 EFFECTIVE AREA(ACRES) = 119.00 AVERAGED Fm(INCH/HR) = .686 I TOTAL AREA(ACRES) = 119.00 PEAK FLOW RATE(CFS) = 306.59 TC(MIN) = 19.23 1)sv A:` s0 II ===------- - --- - END OF STUDY SUMMARY: TOTAL AREA(ACRES > = 119.00 EFFECTIVE AREA(ACRES) ACRES) = 119.00 . N PEA FLOW RATE(CFS) = 3O6 59 �� ' =========---- - ---====--------------=-------- -----==-----=----- END OF RATIONAL METHOD ANALYSIS 11 �N �� ! / IN ; II II i as I �� ~~ o ^ -- ^ II -} V p � \ I * �*** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAM BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering So (aes) I Ver. 4.1C Release Date: 5/11/87 Serial # I010 Especially prepared for: ~~ RIVERTECH INC. ********************* DESCRIPTION OF STUDY *********** * RATIONAL METHOD(COMPUTATION OF LAG FOR WATERSHED 90 DEVELOPED COND.) I * * . **** N1 FILE NAME: 100RD90.IN TIME/DATE OF STUDY: 16:37 9/ 8/1987 11 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME-OF-CONCENTRATION MODEL*-- ii USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 24.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 li *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .7000 li USER SPECIFIED 1-HOUR INTENSITY(INCH/HOUR) = 1.5800 ************ *************************************************************** �� FLOW PROCESS FROM NODE 1.00 TO NODE 1.01 IS CODE = 2 ~� >s.: RATIONAL METHOD INITIAL SU��REA ANALYSIS<<<<< I ==------==-----===================------------ -- -=---- ----= - ____ NATURAL AVERAGE COVER N� TC = K*[(LENGTH** 3.60)/(ELEVATION CHANGE)]** '20 �� INITIAL SUBAREA FLOW-LENGTH = 75O 0O ' ( UPSTREAM ELEVATION = 1525.00 DOWNSTREAM ELEVATION = 1500.00 l ELEVATION DIFFERENCE = 25.00 TC = .706*[( 750.00** 3.00)/( 25.00)]** .20 = 19 ^ 690 ^ 100 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 3.447 SOIL CLASSIFICATION IS "A" °� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE Fm(INCH/HR> = 8200 , . SUBAREA RUNOFF(CFS) = 16.55 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 16.55 II / *************************************************************************** II FLOW PROCESS FROM NODE 1.O1 TO NODE 1.02 IS CODE = 5 _- COMPUTE TRAPEZOIDAL CHANNEL FLOW - <<<<< >>>>>TRAVELTIME THRU SUBAREA <<<<< II - UPSTREAM NODE ELEVATION = 1500 00 ( . DOWNSTREAM NODE ELEVATION = 1490.00 II CHANNEL LENGTH THRU SUBAREA(FEET) = 75.00 - _ - -_ ____ - '- - -_-- ` __ ^ _ _ /1A�N�NGS FACTCR = 015 MAXI�UM DEPTH(FEET) 4 0 0 �) l I ^ = ^ -} �� CHANNEL FLOW THRU SUBAREA(CFS) = 16.55 `~ � FLOW VELOCITY(FEET/SEC) = 6.94 FLOW DEPTH(FEET) = .61 TRAVEL TIME(MIN.) = 1.80 TC(MIN.) = 21.49 ~I ********** Ni FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 -- ----- ---- ----- - - >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW 0� 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.242 N� SOIL CLASSIFICATION 18 "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm = .8200 I SUBAREA AREA(ACRES) = EFFECTIVE AREA(ACRES) = 714. 30 SUBAREA RUNOFF(CFS) = 15.91 . AVERAGED Fm(INCH/HR) = .820 TOTAL AREA(ACRES) = 14.30 I PEAK FLOW RATE(CFS) = 31.17 TC(MIN) = 21.49 / � I ***************** - FLOW PROCESS FROM NODE 1.01 TO NODE 1.02 IS CODE = 8 0! >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <<<< N� ===== = �� --------- 1 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.242 SOIL CLASSIFICATION IS "B" N� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR = .5600 - SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 12.07 EFFECTIVE AREA(ACRES) = 19.30 AVERAGED Fm(INCH/HR) = .753 N� TOTAL AREA(ACRES) = 19.30 PEAK FLOW RATE(CFS) = 43.23 li TC(MIN) = 21.49 ********************************* ***** mI FLOW PROCESS FRCM NODE 1 .02 ^ TO NODE 1 .03 IS CODE = 5 - -- ----- - - >>>>> COMPUTE TRAPEZOIDAL-CHANNEL FLOW< III >>>>>TRAVELTIME THRU SUBAREA<<<< N� ====----- -------- ---- - =----- - =====�==------===== �� UPSTREAM NODE ELEVATION = 1490.00 DOWNSTREAM NODE ELEVATION = 1470.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.0O �� CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 4.O0 CHANNEL FLOW THRU SUBAREA(CFS) = 43.23 N� FLOW VELOCITY(FEET/SEC) = 10.70 FLOW DEPTH(FEET) = .92 �� TRAVEL TIME(MIN. ) = 1 .56 TC(MIN. ) = 23.05 ) I **************************************** *** ************************ **** + FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 � 0� >>>>> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 0� ======= __________======�____ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.087 SOIL CLASSIFICATION IS "A" �� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm( INCH/HR) = .8200 SUBAREA AREA(ACRES) = 42.G0 SUBAREA RUNOFF(CFS) = 87.31 EFFECTIVE AREA(ACRES) = 62.10 AVERAGED Fm(INCH/HR) = .799 �� ^ _--__-_- / c z I K PEA FLOW RATE ,- 127.86 F� TC(M[N) = 23.65 \"� 2 �� ' � I ************* *** ******************* ********** * ***** *********************** ` FLOW PROCESS FROM NODE 1.02 TO NODE 1.03 IS CODE = 8 ___ >>>>>ADDITION OF SUBAREA CO MAINLINE PEAK FLOW << m 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.087 SOIL CLASSIFICATION IS "B" 0� NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 — SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 22.74 EFFECTIVE AREA(ACRES) = 72.10 AL./ERASED Fm(INCH/HR) = .766 II TOTAL AREA(ACRES) = 72.10 PEAK FLOW RATE(CFS) = 150.60 TO(MIN) = 23.05 �— i *10 I ^ ======== -----====-------=======� ----=======================----_=== ~ END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 72.10 EFFECTIVE AREA(ACRES) = 72'10 I PEAK FLOW RATE(CFS) = 150.60 ==___ ______ ___ ____________ II END OF RATIONAL METHOD ANALYSIS li I; li c ' 1 i i I . 4 1 I Watershed No. Frequency Lagch.1 Remarks Nip -- - / .i 0 O. d/ 1 /0 I /00 0 34 ...2o 1 • /o0 0 .39 gd 1 E , io0 p, ¢/ 40 1 I /00 O. So I ■ a II /od 0„'3_ Go . 1 I II N. 1 1 Watershed No. Frequency Lag (/,) Remarks r /6v 0.....c 6 1 /00 0. 3.E to 1 /OG 0.36 9O c j 1 . 1 1 I .. I 1 1 • , 1.0() • Watershed No. Frequency Lag (4 Remarks /0 c'3 /0 /00 Zo /do o• ?o /OCR O.3 el- /00 0. >6 SD 1 /00 °•/6 66 • Lol Watershed No. Frequency Lagthr) Remarks /o 0 0.10 /o d, ae' Jo 0.2 ,0 —3 /ad O. -1G <?0 / oo �a 3/ 90 7 _ I j 1 APPENDIX C i DEVELOPMENT OF LOSS RATE PARAMETERS 1 1 1 1 1 1 1 1 1 1 1 Cl. PROCURE FOUR DEVELOPING LOSS RATE AND IOW IOW FRACTION PARAMETERS Rivertech has developed a meter model, Loss Rate Calculator Version 2.1, to calculate loss rate and low loss fraction at each watershed. The raw input data and output results are attached to this appendix. 1: c c C: 11 1: . " • 4-K PAGE 1 1: LOSS RATE FOR WATERSHED 10 EXISTING COND.100 YR FREQ LOSS RATE RAW INPUT DATA AT NOD 10 SUBAREA SUBAREA IMPER R.C.NO �� 0� IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC-II 10.1 728.00 .00 55.00 1 10.2 1515.00 .00 72.00 10.3 6.00 .00 86.00 ( 1: c 11; L PAGE 1 LOSS RATE FOR WATERSHED 10 EXISTING COND.100 YR FREO 1: LOSS RATE PROCESSED INPUT DATA AT NODE 10 1: SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC -II AMC -II (IN /HR) 1: 10.1 728.001 . 00 55.00 55.00 .76 10.2 1515.00 .00 72.00 72.00 .J2 10.3 6.00 .00 86.00 86.00 .27 1: 1: (". G3 PAGE 1 1: LOSS RATE FOR WATERSHED 10 EXISTING COND.100 YR FRED 1: RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITTON = 2.00 DRAINAGE AREA (ACRES) = 2249.00 24 -HOUR RAIN (INCHES) = 9.800 LOSS RATE FM (INCHES /HOUR) - .596 LOW LOSS FRACTION (V BAR) = .430 1: [ 1: I; THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. 11 II ��� �T PAGE 1 C . LOSS RATE FOR WATERSHED 20 EXISTING COND 100 YR FREQ 1: LOSS RATE RAW INPUT DATA AT NOD 20 SUBAREA SUBAREA IMPER R.C.NO IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC-II 20.1 27.00 .00 55.00 C 20.2 1076.00 .00 72.00 20.3 185.00 .00 86.00 1: (: ! C5" 1 PAGE 1 LOSS RATE FOR WATERSHED 20 EXISTING COND.100 YR FREO LOSS RATE PROCESSED INPUT DATA AT NODE 20 1: SUBAREA SUBAREA IMF'ER RUNOFF CURVE N0. INFILT. IDENTIF COMPONENT VIOUS RATE ICATIDN (ACRES) FRACT AMC -II AMC -II (IN /HR) 20.1 27.00 .00 55.40 55.00 .76 24.2 1076,00 ,00 72.00 72.00 ,52 20.3 185.00 .00 86.00 86.00 ,27 1: c c c PAGE 1 1: 1: LOSS RATE FOR WATERSHED 20 EXISTING COND.100 YR FRED C RETURN FREQUENCY (YEARS) - 100.00 ANTECEDENT MOISTURE CONDITION = 2.00 DRAINAGE AREA (ACRES) = 1288.00 24 -HOUR RAIN (INCHES) - 11.400 LOSS RATE FM (INCHES /HOUR) = .488 LOW LOSS FRACTION (Y BAR) - .299 1: A THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- ULATES LOSS RATE PARAMETERS IN'SAN BERNARDINO COUNTY. 1 11 � ~ /�-7 �� � PAGE 1 LOSS RATE FOR WATERSHED 30 EXISTING COND. 100 YR FRED LOSS RATE RAW INPUT DATA AT NOD 10 ~~ SUBAREA SUBAREA IMPER R.C.NO �i IDENTIF COMPONENT VIOUS FOR 'CATION (ACRES) FRACT AMC-II 30.1 208.00 .00 55.00 30.2 68.00 .00 72.00 G ` S� �� �o^ PAGE 1 1 1110� LOSS RATE FOR WATERSHED 30 EXISTING COND.100 YR FREQ 1: LOSS RATE PROCESSED INPUT DATA AT NODE 10 SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. C IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC—II AMC—II (IN/HR) 30.1 208.00 .00 55.00 55.00 .76 30.2 68.00 .00 72.00 72.00 .52 1; 0� c 11 I! C — I PAGE 1 LOSS RATE FOR WATERSHED 30 EXISTING COND.100 YR FREQ 1: RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 2.00 DRAINAGE AREA (ACRES) = 276.00 24 —HOUR RAIN (INCHES) — 8.400 LOSS RATE FM (INCHES /HOUR) = .700 LOW LOSS FRACTION (Y BAR) _ .577 a 1: 1: THESE RESULTS ARE BASED N 0 THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC— ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. ���y> .~^= PAGE 1 C LOSS RATE FOR WATERSHED 40 EXISTING COND.100 YR FREQ LOSS RATE RAW INPUT DATA AT NOD 40 SUBAREA SUBAREA IMPER R.C.NO IDENTIF COMPONENT VIOUS FOR U� ICATION (ACRES) FRACT AMC-II 40.1 258.00 .00 55.00 40.2 853.00 .00 72.00 1! I; 1: 1: _ C// 1 PAGE 1 I; LOSS RATE FOR WATERSHED 40 EXISTING COND . 1 C rC r YR FREQ LOSS RATE PROCESSED INPUT DATA AT NODE 40 SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC -II AMC -II (IN /HR) 40. 1 258 . 00 . 00 55 . 00 55.0 r .76 40.2 853 . 853.00 , .00 r 72 . 72.00 72 . CrCr . 52 1: I; 1 1 11 r� `~.� PAGE 1 I; 1: 1; LOSS RATE FOR WATERSHED 40 EXISTING COND.100 YR FREQ RETURN FREQUENCY (YEARS) = 100.00 0� ANTECEDENT MOISTURE CONDITION = 2.00 DRAINAGE AREA (ACRES) = 1111.00 24-HOUR RAIN (INCHES) = 9.400 U� 0� LOSS RATE FM (INCHES/HOUR) = .574 LOW LOSS FRACTION (Y BAR) = .421 11 �� �� THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- ULATES LOSS RATE PARAMETERS IN 'SAN BERNARDINO COUNTY. 1 II -- _- 11 013 PAGE 1 C LOSS RATE FOR WATERSHED 50 EXISTING COND.100 YR ;40 LOSS RATE RAW INPUT DATA AT NOD 50 SUBAREA SUBAREA IMPER R.C.NO �G IDENTIF COMPONENT VIOUS FOR V� ICATION (ACRES) FRACT AMC-II 50.1 8.00 .00 55.00 C 50.2 424.00 .00 72.00 1: 1: c ^ ^ ��v^� ����r PAGE 1 1; LOSS RATE FOR WATERSHED 50 EXISTING COND.100 YR FREQ ; 1: LOSS RATE PROCESSED INPUT DATA AT NODE 50 SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. �� �� IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC-II AMC-II (IN/HR) 50.1 8.00 .00 55.00 55.00 .76 50.2 424.00 .00 72.00 72.00 .52 / . -- PAGE 1 ;; LOSS RATE FOR WATERSHED 50 EXISTING COND.100 YR FRED RETURN FREQUENCY (YEARS) = 100.00 C ANTECEDENT MOISTURE CONDITION = 2.O0 DRAINAGE AREA (ACRES) = 432.00 24-HOUR RAIN (INCHES) = 10.200 &� LOSS RATE FM (INCHES/HOUR) = .522 . LOW LOSS FRACTION (Y BAR) = .350 c 1: 1: 11 THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- ULATES LOSS RATE PARAMETERS IN'SAN BERNARDINO COUNTY. _ ~ C /vo' PAGE 1 1: LOSS RATE FOR WATERSHED 60EXISTING COND.100 YR FRED 1: LOSS RATE RAW INPUT DATA AT NOD 60 SUBAREA SUBAREA IMPER R.C.NO �� �� IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC—II 60.1 68.00 .00 55.00 N� 60.2 410.00 .00 72.0O 1: 1: 11 ~ . ^��� �~. ^ I; PAGE 1 C LOSS RATE FOR WATERSHED 60EXISTING COND.100 YR FREQ LOSS RATE PROCESSED INPUT DATA AT NODE 60 SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC-II AMC-II (IN/HR) 60.1 68.00 .00 55.00 55.00 .76 60.2 410.00 .00 72.00 72.00 .52 1; I; -- 11 ~ - ` C/0 PAGE 1 ( 1; LOSS RATE FOR WATERSHED 60EXISTING COND.100 YR FREQ RETURN FREQUENCY (YEARS) = 100.00 �� ANTECEDENT MOISTURE CONDITION = 2.00 DRAINAGE AREA (ACRES) = 478.00 24-HOUR RAIN (INCHES) = 9.200 �� �� LOSS RATE FM (INCHES/HOUR) = 552 LOW . LOSS FRACTION (Y BAR) = .407 11; 1: RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS 1: RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- ULATES LOSS RATE PARAMETERS IN'SAN BERNARDINO COUNTY. I; { � ^-/ 11 PAGE 1 LOSS RATE FOR WATERSHED 70EXISTING COND.100 YR FREQ LOSS RATE RAW INPUT DATA AT NOD 70 SUBAREA SUBAREA IMPER R.C.NO IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC-II 70.1 602.00 .00 55.00 70.2 508.00 .00 72.00 N� 1; I; ~° 20 PAGE i LOSS RATE FOR WATERSHED 70EXISTING COND.100 YR FREQ LOSS RATE PROCESSED INPUT DATA AT NODE 70 SUBAREA SUBAREA IMPER RUNOFF CURVE N[]. INFILT U� IDENTIF COMPONENT VIOUS ^ 'CATION (ACRES) FRACT AMC-II AMC-II ( (IN/HR) 70.1 602.00 .00 55.00 55.00 .76 U� 70.2 508.00 .00 72.00 72.00 .52 i; ~� ~� * PAGE 1 1: LOSS RATE FOR WATERSHED 70EXISTING COND.100 YR FREQ 11; RETURN FREQUENCY (YEARS) = 100.00 0� ANTECEDENT MOISTURE CONDITION = 2.00 DRAINAGE AREA (ACRES) = 1110.00 24-HOUR RAIN (INCHES) = 9.200 N� LOSS RATE FM (INCHES/HOUR) = ^ LOW LOSS 649 S� FRACTION (Y BAR) = .499 ~~ i; = THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. 11 � - ^ ������ =�"� m� PAGE 1 LOSS RATE FOR WATERSHED 80 EXISTING COND.100 YR FRED LOSS RATE RAW INPUT DATA AT NOD 80 SUBAREA SUBAREA IMPER R.C.NO U� IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC-II 80.1 200.00 .00 55.00 80.2 46.00 .00 72.O0 ` I; I; 11 -- ` ^ ��� 1 °~~_ PAGE 1 0� LOSS RATE FOR WATERSHED 80 EXISTING COND.100 YR FREQ I; LOSS RATE PROCESSED INPUT DATA AT NODE 80 SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. U� IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC-II AMC-II (IN/HR} 80.1 200.00 .00 55.00 55.00 .76 j 80.2 46.00 .00 72.00 72.00 .52 I; �� �� 2 4s PAGE 1 I; LOSS RATE FOR WATERSHED 80 EXISTING COND.100 YR FRED RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 2.00 DRAINAGE AREA (ACRES) = 246.00 24 —HOUR RAIN (INCHES) = 8.500 LOSS RATE FM (INCHES /HOUR) = .715 LOW LOSS FRACTION (Y BAR) _ .588 5 THESE RESULTS ARE BASED ON THE COMPUTER " MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC— ULATES LOSS RATE PARAMETERS IN'SAN BERNARDINO COUNTY. 1 PAGE 1 LOSS RATE FOR WATERSHED 90 EXISTING COND.100 YR FREQ LOSS RATE RAW INPUT DATA AT NOD 100 SUBAREA SUBAREA IMPER R.C.NO IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC —II 90.1 57. 00 r . 00 r 55.00 90.2 17 . c_rtr . trtr 72 . t 0 1 4 1 ~ . _-_ PAGE 1 LOSS RATE FOR WATERSHED 90 EXISTING COND.100 YR FREQ -- LOSS RATE PROCESSED INPUT DATA AT NODE 100 SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC-II AMC-II < IN/HR) 90.1 57.00 .00 55.00 55.00 .76 90.2 17.00 .00 72.00 72.00 .52 / �m � 1 C21 PAGE 1 E LOSS PATE FOR WATERSHED 90 EXISTING COND.100 YR FRED RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 2.00 DRAINAGE AREA (ACRES) = 74.00 24 -HOUR RAIN (INCHES) = 7.800 1: LOSS RATE FM (INCHES /HOUR) = ,704 LOW LOSS FRACTION (Y BAR) = .60 I] I] THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. 1 1 eZg PAGE 1 LOSS RATE FOR WATERSHED 10 INTERIM COND.100 YR FREQ LOSS RATE RAW INPUT DATA AT NOD 10 SUBAREA SUBAREA IMPER R.C.NO IDENTIF COMPONENT VIOUS FOR N� ICATION (ACRES) FRACT AMC-II 10.1 747.00 00 55.00 72.00 10.2 1496.00 .00 1� 10.3 6.00 .00 86.00 1: -- °airiser i ^��� �� °~ ^ ~~ PAGE 1 LOSS RATE FOR WATERSHED 10 INTERIM COND.100 YR FREQ LOSS RATE PROCESSED INPUT DATA AT NODE 10 SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. COMPONENT VIOUS ^ RATE I; ICATION (ACRES) FRACT AMC—II AMC—II (IN/HR) 10.1 747.00 .00 55.00 55.00 .76 10.2 1496.00 .00 72.00 72.00 .52 N� 10.3 6.00 .00 86.00 86.00 .27 1: �. .� . e30 �~�= PAGE 1 LOSS RATE FOR WATERSHED 10 INTERIM COND.100 YR FRED 1: RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 2.00 DRAINAGE AREA (ACRES) = 2249.00 24-HOUR RAIN (INCHES) = 9.800 LOSS RATE FM (INCHES/HOUR) = .598 N, LOW LOSS FRACTION (Y BAR) = . 432 1: 1: 0O THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. 1: �� �� ���^ PAGE 1 LOSS RATE FOR WATERSHED 20 INTERIM COND.100 YR FRED 1: LOSS RATE RAW INPUT DATA AT NOD 20 1: SUBAREA SUBAREA IMPER R.C.NO IDENTIF COMPONENT VIOUS FOR �� ICATION (ACRES) FRACT AMC-II 20.1 1030.00 .00 72.00 20.2 185.00 00 86 00 20.3 4 00 ^ ^ . .00 55.00 1: 1: 1: ~~ �� �� � ~ ��^� �� ��= �� PAGE 1 1: LOSS RATE FOR WATERSHED 20 INTERIM COND.100 YR FRED 1: I; LOSS RATE PROCESSED INPUT DATA AT NODE 20 SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. COMPONENT VIOUS ^ RATE ICATION (ACRES) FRACT AMC-II AMC-II (IN/HR) 20.1 1080.00 .00 72.00 72.00 .52 20.2 185.00 00 86.00 86.00 ^ �� ^ �� 20.3 4 00 00 55 00 ^ 27 . . . �5.00 .76 ! �~ ) ANN. ^���� 1 �~~'�/ PAGE 1 1: LOSS RATE FOR WATERSHED 20 INTERIM COND.100 YR FRED RETURN FREQUENCY (YEARS) = 100.00 E ANTECEDENT MOISTURE CONDITION = 2 . 00 DRAINAGE AREA (ACRES) = 1219.00 24—HOUR RAIN (INCHES) = 11.400 LOSS RATE FM (INCHES/HOUR) = .481 �� LOW LOSS FRACTION (Y BAR) = .294 �� _ s: 1: THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC— ULATES LOSS RATE PARAMETERS IN BERNARDINO COUNTY. �� V� ��'� =- PAGE 1 LOSS RATE FOR WATERSHED 80 INTERIM COND.100 YR FRED LOSS RATE RAW INPUT DATA AT NOD 80 SUBAREA SUBAREA IMPER R.C.NO IDENTIF COMPONENT VIOUS FOR �� ICATION (ACRES) FRACT FOR 80.1 70.50 .00 55.00 80.2 42.00 20 56 00 . . 80.3 6.50 .20 32.00 -- 1: I; 1: 1 �� v� 1 ~ ��� II _=� PAGE 1 II LOSS RATE FOR WATERSHED 80 INTERIM COND.100 YR FREQ I: I; LOSS RATE PROCESSED INPUT DATA AT NODE 80 SUBAREA SUBAREA INFER RUNOFF CURVE NO. INFILT. IDENTIF COMPONENT VIOUS RATE �� ICATION (ACRES) FRACT AMC-II AMC-II (IN/HR) 80.1 70.50 .00 55.00 55.00 .76 �� 80.2 33.60 .00 56 00 56 00 75 �� . . . 80.2 8.40 1.00 98.00 98.00 .00 80.3 5.20 .00 32.00 32.00 .97 li 80.3 1.30 1.00 98.00 98.00 .00 I li Iii li ` 1: II II • II II II �~ PAGE 1 1; LOSS RATE FOR WATERSHED 80 INTERIM COND.100 YR FREQ RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 2 . 00 DRAINAGE AREA (ACRES) = 119.00 24-HOUR RAIN (INCHES) = 8.500 LOSS RATE FM (INCHES/HOUR) = .704 0� LOW LOSS FRACTION (Y BAR) = .591 1: 1: THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. �� l� 4' � � n � �7 .��~ ~~ PAGE 1 . -- LOSS RATE FOR WATERSHED 40 INTERIM COND.100 YR FRED __ LOSS RATE RAW INPUT DATA AT NOD 40 - SUBAREA SUBAREA IMPER R C NO . . IDENTIF COMPONENT VIOUS FOR I; 'CATION (ACRES) FRACT AMC-II 40.1 258.00 .00 55.00 40.2 853.00 .00 72.00 1: �� �� 1: �� ~ / � � PAGE 1 1: I; LOSS RATE FOR WATERSHED 40 INTERIM COND.100 YR FRED LOSS RATE PROCESSED INPUT DATA AT NODE 40 SUBAREA SUBAREA INFER RUNOFF CURVE NO. INFILT. IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC-II AMC-II (IN/HR) 40.1 258.00 .00 55.00 55.00 .76 40.2 853.00 .00 72.00 72.00 .52 1: �� �� ^ es 9' °; PAGE 1 LOSS RATE FOR WATERSHED 40 INTERIM COND.100 YR FRED 1: RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 2.00 E DRAINAGE AREA (ACRES) = 1111 00 24-HOUR RAIN (INCHES) = 9.^`0 LOSS RATE FM (INCHES/HOUR) = .574 LOW LOSS FRACTION (Y BAR) = .421 11 1: 1; THESE RESULTS ARE BASED ON THE`COMPUTER MODEL "LOSS 0� RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. { �� m� ` ~ . �� ��� |� ���� PAGE 1 ri �� LOSS RATE FOR WATERSHED 10 DEVELOPED COND.100 YR FRO II NI LOSS RATE RAW INPUT DATA AT NOD 10 Ni SUBAREA SUBAREA IMPER R.C.NO IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC-II I: 10.1 6.00 .00 91.00 10.2 289.00 .00 71.00 10.3 880.00 .00 82.00 C 10.4 59.00 .10 32.00 10.5 575.00 .10 56.00 im 10.6 127.00 .20 32.00 Iii 10.7 21.00 .20 56.00 � ) 10.8 148.00 .30 32.00 10.9 14.00 .30 56.00 10.1 125.00 .10 32.00 C 10.11 6.00 .10 56.00 �� , ri �� �� ;� II ! II � NI 11 �� �� �� i 11 A Vh 1 al/ PAGE 1 ii LOSS RATE FOR WATERSHED 10 DEVELOPED COND.100 YR FRO I; II LOSS RATE PROCESSED INPUT DATA AT NODE 10 SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. IDENTIF COMPONENT VIDUS RATE I: ICATION (ACRES) FRACT AMC -11 AMC -111 (IN /HR) 10.1 6.00 .00 91.00 98.20 .06 10.2 289.00 .00 71.00 87.80 .27 1: 10.3 880.00 .00 82.00 95.20 .14 10.4 53.10 . 00 32.00 52.00 . 74 10.4 5.90 1.00 98.00 98.00 .00 I: 10.5 517.50 .00 56.00 75.8 10.5 1 t r . 5 57.50 1.00 98.00 98 . tat:) . 00 10.6 101.60 .00 32.00 52.00 .74 10.6 25.40 1.00 98.00 98.00 .00 I: 10.7 16.80 .00 56.00 75.80 .42 10.7 4.20 1.00 98.00 98.00 .00 10.8 103.60 .00 32.00 52.00 .74 I: 10.8 44.40 1.0 ta 98.0 .00 ,tat) 10.9 9.80 . t. 0 56 . G0 75.80 .42 10.9 4.20 1.00 98.00 98.00 .00 10.1 112.50 .00 32.00 52.00 .74 10.1 12.50 1 .00 98.00 98.00 .00 10.11 5.40 .00 56.00 75.80 .42 10.11 .60 1.00 98.00 98.00 .00 I: II i II II II II c¢2. PAGE 1 LOSS RATE FOR WATERSHED 10 DEVELOPED COND.100 YR FRQ RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 3.00 DRAINAGE AREA (ACRES) = 2250.00 24 -HOUR RAIN (INCHES) = 12.400 LOSS RATE FM (INCHES /HOUR) = .314 LOW LOSS FRACTION (Y BAR) _ .188 1; 1: 1: 1: THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. I 1 1 1 1 i ��^��� ���� �� PAGE 1 1: LOSS RATE FOR WATERSHED 20 DEVELOPED COND.100 YR FRO 11 LOSS RATE RAW INPUT DATA AT NOD 20 0� SUBAREA SUBAREA IMPER R.C.NO IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC-II ^� 20.1 185.00 .00 91.00 20.2 990.00 .00 82.00 20.3 40.00 .10 56.00 N� 20.4 4.10 .00 71.00 ~~ �� �� I; Aminsm= yr4L�L PAGE 1 I; LOSS RATE FOR WATERSHED 20 DEVELOPED COND.100 YR FRO m� LOSS RATE PROCESSED INPUT DATA AT NODE 20 N� SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC-11 AMC-111 (IN/HR) "; 20.1 185.00 .00 91.00 98.20 .06 20.2 990.00 .00 82.00 95.20 .14 20.3 36.00 .00 56.00 75.80 .42 20.3 4.00 1.00 98.00 98.00 .00 20.4 4.10 .00 71.00 87.80 .27 . ~~ ° 1 . 11 245" �� N� PAGE 1 LOSS RATE FOR WATERSHED 20 DEVELOPED COND.100 YR FRG? RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 3.00 DRAINAGE AREA (ACRES) = 1219.10 0� 24-HOUR RAIN ( INCHES) = 14.650 - LOSS RATE FM (INCHES/HOUR) 138 = . LOW LOSS FRACTION (Y BAR) = .042 ! THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS N� RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH . IT CALC- �� ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. N� �w 1 , ` II .��� ��-�m, II PAGE 1 1 LOSS RATE FOR WATERSHED 30 DEVELOPED COND.100 YR FRO -- 1 LOSS RATE RAW INPUT DATA AT NOD 10 N� SUBAREA SUBAREA IMPER R.C.NO °� IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC-II =" 30.1 9.00 .10 56.00 30.2 58.00 .10 32.00 30.3 34.00 .00 71.00 I 30.4 117.00 .40 32.00 30.5 9.00 ,40 56.00 30.6 119.00 .30 32'00 E 30.7 41.00 .30 56.00 30.8 44.00 .10 32.00 30.9 6.00 .10 56.00 / II E ` I: II i II II 1 II 4 II ' ° ~� �� li �~ 7-� II PAGE 1 LOSS RATE FOR WATERSHED 30 DEVELOPED COND.100 YR FRO 1 1 LOSS RATE PROCESSED INPUT DATA AT NODE 10 I . SUBAREA SUBAREA IMPER RUNOFF CURVE NO INFILT. IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC-11 AMC-111 (IN/HR) I 30.1 8.10 .00 56.00 75.80 .42 30.1 .90 1.00 98.00 98.00 .00 30.2 52.20 .00 32.00 52.00 .74 I 30.2 5.80 1.00 98.00 98.00 .00 30.3 34.00 .00 71.00 87.80 .27 30.4 70.20 .00 32.00 52.00 .74 I 30.4 46.80 1.00 98.00 98 00 00 . . 30.5 5.40 .00 56.00 75.80 .42 30.5 3.60 1.00 98.00 98.00 .00 30.6 83.30 .00 32.00 52.00 .74 E 30.6 35.70 1.00 98.00 98.00 .00 30.7 28.70 .00 56.00 75.80 .42 30.7 12.30 1.00 98.00 98.00 .00 I �0.8 39.60 .00 32.00 52.00 .74 30.8 4.40 1.00 98.00 98.00 .00 30.9 5.40 .00 56.00 75.80 .42 . E 30.9 .60 1.x]0 98.00 98.00 00 II �� �� I I 1 II II \ ^�&f�, �_�� �� � PAGE 1 LOSS RATE FOR WATERSHED 30 DEVELOPED COND. 100 YR FRO RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 3.00 DRAINAGE AREA (ACRES) = 437.00 24—HOUR RAIN ( INCHES) = 10.750 LOSS RATE FM (INCHES/HOUR) = .482 LOW LOSS FRACTION (Y BAR) = .381 opl " i] THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS 8J RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC— ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. 11 1] ° � ^��� �� ^��r � PAGE 1 hi w� LOSS RATE FOR WATERSHED 40 DEVELOPED COND.100 YR FRO iiii mI LOSS RATE RAW INPUT DATA AT NOD 40 :: SUBAREA SUBAREA IMPER R.C.NO IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC-II ~~ 40.1 75.00 .00 71.00 40.2 350.00 .00 82.00 �� �� 40.3 13.00 .10 32.00 �� 40.4 421.00 .10 56.00 40.5 44.00 .20 32.00 40.6 64.00 .20 56.00 �� 40.7 80.00 .40 32.O0 40.8 6.00 .40 56.00 40.9 2.00 .30 56.00 N ] 40.10 27.00 .30 32.00 �� 40.11 11.00 .10 56.00 40.12 18.00 .90 32.00 1; �� ` i: in �� �� �� II II ;I I: __- __- _ , ���� �� ^� =`. �� PAGE 1 ii LOSS RATE FOR WATERSHED 40 DEVELOPED COND.100 YR FRO 11 LOSS RATE PROCESSED INPUT DATA AT NODE 40 ) SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC-11 AMC-111 (IN/HR) ;1 40.1 75.00 .00 71.00 87.80 .27 40.2 350.00 .00 82.00 95.20 .14 40.3 11.70 .00 32.00 52.00 .74 @ � if 40.3 1.30 1.00 98.00 98.00 .00 40.4 378.90 .00 56.00 75.80 .42 40.4 42.10 1.00 98.00 98.00 .00 �� 40.5 35.20 .00 32.00 52.00 .74 �� -� 40.5 8.80 1.00 98.00 98.00 .00 40.6 51.20 .00 56.00 75.80 .42 40.6 12.80 1.00 98.00 98.00 .00 E 40.7 48.00 .00 32.00 52.00 .74 40.7 32.00 1.00 98.00 98.00 .00 40.8 3.60 .00 56.00 75.80 .42 �� �� 40.8 2.40 1.00 98.00 98.00 .00 40.9 1.40 .00 56.00 75.80 .42 40.9 .60 1.00 98.00 98.00 .00 40.10 18.90 :00 32.00 52.00 .74 ill 40.10 8.10 1.00 98.00 98.00 .00 40.11 9.90 .00 56.00 75.80 .42 40.11 1.10 1.00 98.00 98.00 .00 �� 40.12 1.80 .00 32.00 52.00 .74 40.12 16.20 1.00 98.00 98.00 .00 -- II . ` 05 1 PAGE 1 N1 LOSS RATE FOR WATERSHED 40 DEVELOPED COND.100 YR FRO RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 3.00 DRAINAGE AREA (ACRES) = 1111.00 [40 24-HOUR RAIN (INCHES) = 11.950 LOSS RATE FM (INCHES/HOUR) = .308 LOW LOSS FRACTION (Y BAR) = .189 ; [ E: THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS �� �J RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- �� ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. 1: 1: PAGE 1 LOSS RATE FOR WATERSHED 50 DEVELOPED COND 100 YR FRO ^ LOSS RATE RAW INPUT DATA AT NOD 50 0W SUBAREA SUBAREA IMPER R.C.NO w� IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC-II I; 50.1 405.00 .00 82.00 50.2 8.00 .10 32.00 50.3 19.00 .10 56.00 1: 1: 1: 0' |� �� ' ~~ ~- m= -- ~ ° :: d 5 3 ml PAGE 1 ili -- LOSS RATE FOR WATERSHED 50 DEVELOPED COND.100 YR FRO :: li LOSS RATE PROCESSED INPUT DATA AT NODE 50 [4i SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC-11 AMC-111 (IN/HR) : 50.1 405.00 .00 82.00 95.20 .14 ) 50.2 7.20 .00 32.00 52.00 .74 50.2 .80 1.00 98.00 98.00 .00 50.3 17.10 .00 56.00 75.80 .42 m� 50.3 1.90 1.00 98.00 98.00 .00 I: 1: I: 1: ` 1: II li II -- II ~^ ^ . . ^���� i ���^ PAGE 1 id � ^= LOSS RATE FOR WATERSHED 50 DEVELOPED COND. 100 YR FRO RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 3.00 DRAINAGE AREA (ACRES) = 432.00 (41 24—HOUR RAIN (INCHES) 13 050 LOSS . RATE FM (INCHES/HOUR) = .162 LOW LOSS FRACTION (Y BAR) = .061 r THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS 0� RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC— ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. 1: �� ,� ( °: -_5 ;11 PAGE 1 -: LOSS RATE FOR WATERSHED 60 DEVELOPED COND.100 YR FRO il } 11 LOSS RATE RAW INPUT DATA AT NOD 60 !! SUBAREA SUBAREA IMPER R.C.NO 11 IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC-II li 60.1 35.00 .00 82.00 | 60.2 12.00 .10 32.00 60.3 293.00 .10 56.00 I: 60.4 65.00 .20 56.00 { 60.5 65.00 .20 32.O0 60.6 18.00 .90 56.00 C: 1: �� , x� :: �� �� II 1: ` , -1 ^��� iii �~�� 1 I PAGE 1 di Oli -- LOSS RATE FOR WATERSHED 60 DEVELOPED COND.100 YR FRO lioR di Ili LOSS RATE PROCESSED INPUT DATA AT NODE 60 i! SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. °� IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC-11 AMC-111 (IN/HR) 17 60.1 35.00 .00 82.00 95.20 .14 60.2 10.80 .00 32.00 52.00 .74 60.2 1.20 1.00 98.00 98.00 .00 1: 60.3 263.70 .00 56.00 75.80 .42 60.3 29.30 1.00 98.00 98.00 .00 60.4 52.00 .00 56.00 75.80 .42 �� 60.4 13.00 1.00 98 00 98.00 00 �� 60.5 52 00 ^ 00 32 52^00 ^ ^ ^ ^ ^ .74 60.5 13.00 1.00 98.00 98.00 .00 60.6 1.80 .00 56.00 75.80 .42 [: 60.6 16.20 1.00 98.00 98.00 .00 rill c rii li II II 1: ! ` 8� ~~6^ PAGE 1 __ LOSS RATE FOR WATERSHED 60 DEVELOPED COND.100 YR FRO 11 RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 3.00 DRAINAGE AREA (ACRES) = 488.00 fl 24—HOUR RAIN (INCHES) = 11 . 700 LOSS RATE FM (INCHES/HOUR) = .378 LOW LOSS FRACTION (Y BAR) = .253 �� o� 1: C: THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS 'RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC— ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. __ �� �� �� �� | ~~ �� ��Sie , PAGE 1 LOSS RATE FOR WATERSHED 70 DEVELOPED COND.100 YR FRO 1: 1: LOSS RATE RAW INPUT DATA AT NOD 70 SUBAREA SUBAREA IMPER R.C.NO °d IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC-II 70.1 71.00 .00 71.00 70.2 382.00 .00 82.00 70.3 15.00 .10 32.00 70.4 40.00 .10 56.00 70.5 80.O0 .20 32.00 -- 1: ( 11 . ~~ ° ` | ill ���� _~ " ! J PAGE 1 V� ( -- LOSS RATE FOR WATERSHED 70 DEVELOPED COND.100 YR FRO :: LOSS RATE PROCESSED INPUT DATA AT NODE 70 � � SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. °� IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC-11 AMC-111 (IN/HR) i m i 70.1 71.00 .00 71.00 87.80 .27 70.2 382.00 .00 82.00 95.20 .14 70.3 13.50 .00 32.00 52.00 .74 �� 70.3 1.50 1.00 98.00 98.00 .00 70.4 36.00 .00 56.00 75.80 .42 70.4 4.00 1.00 98.00 98.00 .00 �� 70.5 64.00 .00 32.00 52 00 74 �� 70.5 16.00 1.00 98 98 ^ 00 l: c c 1: �� �� II II I: ~ ` ��m ��= PAGE 1 I; LOSS RATE FOR WATERSHED 70 DEVELOPED COND.100 YR FRO 11 RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 3.00 DRAINAGE AREA (ACRES) = 588.00 �� �� 24-HOUR RAIN (INCHES) ~ = 11 850 LOSS RATE FM (INCHES/HOUR) = .248 LOW LOSS FRACTION (Y BAR) = .138 1; 1: 1; -- `- THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS �� RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH . IT CALC �� _ p� ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. 1: 1: :117 PAGE 1 LOSS RATE FOR WATERSHED 70—A DEVELPD.COND.100 YR FRO LOSS RATE RAW INPUT DATA AT NOD 75 SUBAREA SUBAREA IMPER R.C.NO -- IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC—II 1: 70A 572.00 .40 32.00 1: t. 1: o� � . ~ �»��^ It �~w'�~ PAGE 1 �� LOSS RATE FOR WATERSHED 70-A DEVELPD.COND.100 YR FRO 11 LOSS RATE PROCESSED INPUT DATA AT NODE 75 �� SUBAREA SUBAREA IMPER IDENTIF COMPONENT VIOUS RUNOFF CURVE NO. INFILT. ~� RATE ICATION (ACRES) FRACT AMC-11 AMC-111 (IN/HR) ;: 70A 343.20 .00 32.00 52.00 .74 70A 228.80 1.00 98.00 98.00 .00 1: E: �� v� I; �� `� I 11 I; �T �� - ° , MP PAGE 1 LOSS RATE FOR WATERSHED 70-A DEVELPD.COND.100 YR FRO RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 3.00 DRAINAGE AREA (ACRES) = 572.00 24-HOUR RAIN (INCHES) = 11.000 -- LOSS RATE FM (INCHES/HOUR) = .444 i; LOW LOSS FRACTION (Y BAR) = .360 1: 1: 1: oot THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. 1: del PAGE 1 � -- LOSS RATE FOR WATERSHED 70-B DEVELPD.COND.100 YR FRO LOSS RATE RAW INPUT DATA AT NOD 80 SUBAREA SUBAREA IMPER R.C.NO -~ IDENTIF COMPONENT VIOUS FOR 'CATION (ACRES) FRACT AMC-II 70B 1328.00 .40 32.00 1: �� �� �� ~~ �� �O 1: /�^�' =^�~ PAGE 1 -- LOSS RATE FOR WATERSHED 70-B DEVELPD.COND. 100 YR FRO LOSS RATE PROCESSED INPUT DATA AT NODE 80 �� SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. �� IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC-11 AMC-111 (IN/HR) 70B 796.80 .00 32.00 52.00 .74 { ^ ( 70B 531.20 1.00 98.00 98.00 .00 1; 1: } 1171 �� �� 1: Cd‘ PAGE 1 11 LOSS RATE FOR WATERSHED 70-B DEVELPD.COND.100 YR FRO N1 RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 3.00 DRAINAGE AREA (ACRES) E 1328.00 . 24-HOUR RAIN (INCHES) = 10 500 �� LOSS RATE FM (INCHES/HOUR) = .444 LOW LOSS FRACTION (Y BAR) = .370 I; 1: THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. 1; �� � �w� " PAGE 1 LOSS RATE FOR WATERSHED 80 DEVELOPED COND. 100 YR FRO LOSS RATE RAW INPUT DATA AT NOD 80 SUBAREA SUBAREA IMPER R.C.NO IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC-II 80.1 28.00 .40 32.00 80.2 41.00 .10 32.00 80.3 42.00 .20 56.00 80.4 8.00 .20 32.O0 . 11; 1: = �� ~` i e46 li PAGE 1 LOSS RATE FOR WATERSHED 80 DEVELOPED COND. 1 00 YR FRO li II LOSS RATE PROCESSED INPUT DATA AT NODE 80 SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. IDENTIF COMPONENT VIOUS RATE ICATION (ACRES) FRACT AMC -11 AMC -111 (IN /HR) 80.1 16.80 .00 32.00 52.00 .74 80.1 11.20 1 .00 98.00 98.00 .00 li 80.2 36.90 .00 32.00 52.00 .74 80.2 4.10 1.00 98.00 98.00 .00 80.3 33.60 .00 56.00 75.80 .42 ri 80.3 8.40 1.00 98.00 98.00 .00 80.4 6.40 .00 32.00 52.00 .74 80.4 1.60 1.00 98.00 98.00 .00 c li I; . I: li 11 11 I II I! ~ ^ ° ���� U� �u. . PAGE 1 11 LOSS RATE FOR WATERSHED 80 DEVELOPED COND.100 YR FRO N� RETURN FREQUENCY (YEARS) = 100.00 ANTECEDENT MOISTURE CONDITION = 3.00 DRAINAGE AREA (ACRES) = 119.00 24-HOUR RAIN (INCHES) = 11 000 �� . LOSS RATE FM (INCHES/HOUR) = .492 LOW LOSS FRACTION (Y BAR) = .379 ~~ THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH . IT CALC- ~~ ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. I! - ~ � �* ��1 *� PAGE 1 LOSS RATE FOR WATERSHED 90 DEVELOPED COND.100 YR FRQ 01 LOSS RATE RAW INPUT DATA AT NOD 100 SUBAREA SUBAREA IMPER R.C.NO IDENTIF COMPONENT VIOUS FOR ICATION (ACRES) FRACT AMC-II 1 1 4 1 90. 1 57.00 .00 71 .00 90.2 17.00 .00 82.00 1: 1: ^� �� �� �� [ �� �r� �� �� PAGE 1 � ~~ LOSS RATE FOR WATERSHED 90 DEVELOPED COND. 100 YR FRO 11 LOSS RATE PROCESSED INPUT DATA AT NODE 100 8� SUBAREA SUBAREA IMPER RUNOFF CURVE NO. INFILT. ~~ IDENTIF COMPONENT VIOUS RATE 'CATION (ACRES) FRACT AMC-11 AMC-111 (IN/HR) 90.1 57.00 .00 71.00 87.80 .27 90.2 17.00 .00 82.00 95.20 .14 �� J� ' �� 11 ! ~~ , " - 1 ' �� -��' il � �^� | . ` � I PAGE 1 1 , II LOSS RATE FOR WATERSHED 90 DEVELOPED COND. 1O0 YR FRO �0 @� RETURN FREQUENCY (YEARS) = 100.00 | ANTECEDENT MOISTURE CONDITION = 3.00 DRAINAGE AREA (ACRES) = 74.00 . �� 24-HOUR RAIN ( INCHES) = 10 000 �� LOSS RATE FM (INCHES/HOUR) = .238 � LOW LOSS FRACTION (Y BAR) = .128 �� �� I i ` � �� i �� i II II \ \ THESE RESULTS ARE BASED ON THE COMPUTER MODEL "LOSS » RATE CALCULATOR (1.2)" DEVELOPED BY RIVERTECH. IT CALC- Asi ULATES LOSS RATE PARAMETERS IN SAN BERNARDINO COUNTY. il II . II il II II II