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HomeMy WebLinkAboutFoothill Drain - Line L Master Hydrology Study for Fontana West End VentureY MASTER HYDROLOGY STUDY FOR'THE FONTANR WEST END VENTU FOOTHILL DRAIN LINE L INCLUDING �- LATERALS B, C, D, F, G & - IM - PREPARED BY: HALL & FQRE(K I1. 3 1 70 REDHILL AVE COSTA MESA, CA, 92626-3428 (714)641-8777 1�q i RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL (<<((<<<<(((<<<<<<<<<<<(<<<<<<<(<((<<(>>>)>>> >>>>>>>>>>>))>>>>>>>>>)> >>)> >>> (C) Copyright 1982 Advanced Engineering Software CAES] Especially prepared for: HALL & FOREMAN, INC. <((((((<( (<<C<<<(<<<<(<<C<<<<<<((<<<(<>>)>)>> )) > > >> > > > > > > > > > > > > >) >) >> *• * * * * * * ** *DESCRIPTION OF * LATERAL B (FOOTHILL DRAIN HYDROLOGY) INCL TARGET * 0. 25 * AHMED SHEIKH, J. N. 3366, 3/ 11 /87 --------- --------- --- --------- ----- ------------ ----------------- -- USER - SPECIFIED - HYDROLOGY - AND - HYDRAULIC - MODEL - INFORMATION: ---------------------------------------------------------------------------- USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR 1NTE.NSITY(INCH /HOUR) = 1.1SC0 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software CAES]' SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 <(<<<<(<(<<(<<{<<<<<(<((<(<(((((<<(<< O)>>>>> > > > > )))) > > > > > > > > >> >> >> > > > >i> FLOW PROCESS FROM NODE 989.30 TO NODE 162.00 IS CODE = 2 ----------------------------------------------------------------- ) > >) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( - -- ASSUMED INITIAL SUBAREA UNIFORM - DEVELOPMENT IS: COMMERCIAL TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 660.00 UPSTREAM ELEVATION = 1282.00 DOWNSTREAM ELEVATION = 1272.28 TC = .303*C( 660.00**3)/( 9.72)J**.2 = 9.458 25.00 YEAR RAINFALL INTENSlTY(lNCH/HOUR) = 3.490 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8320 SUBAREA RUNOFF(CFS) = 9.29 TOTAL AREA(ACRES) = 3.20 TOTAL RUNOFF(CFS) = 9.29 **************************************************************************** FLOW PROCESS FROM NODE 162.00 TO NODE 163.00 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USING COMPUTER-ESTIMATED PlPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 3.0 UPSTREAM NODE ELEVATION = 1272.28 DOWNSTREAM NODE ELEVATION = 1272.00 FLOWLENGTH(FEET) = 219.70 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 9.29 TRAVEL TlME(MIN.) = 1.20 TC(MIN.) = 10.66 **************************************************************************** FLOW PROCESS FROM NODE 163.00 TO NODE 163.00 IS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 10.66 RAINFALL INTENSITY (INCH./HOUR) = 3.25 TOTAL STREAM AREA (ACRES) = 3.20 TOTAL STREAM'RUNOFF(CFS) AT CONFLUENCE = 9.29 FLOW PROCESS FROM NODE 989.40 TO NODE 163.00 IS CODE = 2 ---------------------------------------------------------------------------- >>>>}RATlONAL METHOD INITIAL SUBAREA ANALYSIS<<(I ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATlON CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 980.00 UPSTREAM ELEVATION = 1282.00 DOWNSTREAM ELEVATION = 1272.00 ELEVATION DIFFERENCE = 10.00 TC = .303*1( 980.00**3)/( 10.00)1**.2 = 11.921 225.00 YEAR RAINFALL lNTENSlTY(INCH/HOUR) = 3.038 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8293 SUBAREA RUNOFF(CFS) = 18.39 TOTAL AREA(ACRES) = 7.30 TOTAL RUNOFF(CFS) = 18.39 **************************************************************************** FLOW PROCESS FROM NODE 163.00 TO NODE 163.00 IS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>}>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.92 RAINFALL INTENSITY (INCH./HOUR) = 3.04 rnTA| qrr�nm DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATlON CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 1040.00 UPSTREAM ELEVATION = 1268.00 DOWNSTREAM ELEVATION = 1255.00 ELEVATION DIFFERENCE = 13.00 TC = .303*N 1040.00**3)/( 13.00)]**.2 = 11.722 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.069 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8295 SUBAREA RUNOFF(CFS) = 15.91 TOTAL AREA(ACRES) = 6.25 TOTAL RUNOFF(CFS) = 15.91 **************************************************************************** FLOW PROCESS FROM NODE 74.00 TO NODE 74.00 IS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.72 RAINFALL INTENSITY (INCH./HOUR) = 3.07 TOTAL STREAM AREA (ACRES) = 6.25 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 15.91 **************************************************************************** FLOW PROCESS FROM NODE 979.00 70 NODE 74.00 IS CODE = 2 __________________________________________________________________________ }>�>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( -°~ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 1040.00 UPSTREAM ELEVATION = 1268.00 DOWNSTREAM ELEVATION = 1255.00 ELEVATION DIFFERENCE = 13.00 TC = .303*1< 1040.00**3>/( 13.00)]**.2 = 11.72£ 25.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 3.069 SOIL CLASSIFICATION IS " ' COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8295 SUBAREA RUNOFF(CFS) = 18.68 TOTAL AREA(ACRES) = 7.34 TOTAL RUNOFF(CFS) = 18.68 **************************************** ************************* FLOW PROCESS FROM NODE 74.00 TO NODE 74.00 IS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )>}))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 11.72 RAINFALL INTENSITY (INCH./HOUR) = 3.07 TOTAL STREAM AREA (ACRES) = 7.34 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 18.68 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY - NUMBER (CFS) (MIN.) (INCH/HOUR) _-_---_-__-_______-______________-______-_______--_____-__-_�______-_-______ 1 86.06 16.98 2.457 2 15.91 11.72 3'069 3 18.68 11.72 3.069 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE: = 18.39 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 9.29 10.66 3.249 2 18.39 11.92 3.038 1401 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 25.73 27.08 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 27.08 TIME(MINUTES) = 11.921 TOTAL AREA (ACRES) = 10.50 FLOW PROCESS FROM NODE 163.00 TO NODE 164.00 IS CODE = 3 ---------------------------------------------------------------------- - - - - -- ))) >) COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(( <(( ) >) ))USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.8 UPSTREAM NODE ELEVATION = 1272.00 DOWNSTREAM NODE ELEVATION = 1271.50 FLOWLENGTH(FEET) = 145.00 MANNINGS N = .01.E ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 27.08 TRAVEL TIME(MIN.) = .42 TC(MIN.) = 12.34 FLOW PROCESS FROM NODE 989.50 TO NODE 164.00 IS CODE = 8 ---------------------------------------------------------------------------- ) >)) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.175 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8289 SUBAREA AREA(ACRES) _ .70 SUBAREA RUNOFF(CFS) = 1.73 TOTAL AREA(ACRES) = 11.20 TOTAL RUNOFF(CFS) = 28.81 TC(MIN) = 12.34 DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.5 INCHES FLOW PROCESS FROM NODE 164.00 TO NODE 169.00 IS COLE = 3 ---------------------------------------------------------------------------- )))) )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <(((( )))> )USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( PIPEFLOW VELOCITY(FEET /SEC.) = 12.5 UPSTREAM NODE ELEVATION = 1271.50 DOWNSTREAM NODE ELEVATION = 1267.00 FLOWLENGTH(FEET) = 175.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 24.00 PIPEFLOW THRU SUBAREA(CFS) = 28.81 TRAVEL TIME(MIN.) = .23 TC(MIN.) N = .013 NUMBER OF PIPES = 12. 57 FLOW PROCESS FROM NODE 169.00 TO NODE 169.00 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.57 RAINFALL INTENSITY (INCH./HOUR) = 2.94 TOTAL STREAM AREA (ACRES) = 11.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 28.81 **************************************************************************** FLOW PROCESS FROM NODE 989.60 TO NODE 165.00 IS CODE = 2 ____________________________________________________________________________ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 900.00 UPSTREAM ELEVATION = 1278.00 DOWNSTREAM ELEVATION = 1268.82 ELEVATION DIFFERENCE = 9.18 TC = .303*[( 900.00**3)/( 9.18)]**.2 = 11.523 25.00 YEAR RAINFALL lNTENGITY(INCH/HOUR) = 3.100 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8297 SUBAREA RUNOFF(CFS) = 18.01 TOTAL AREA(ACRES) = 7.00 TOTAL RUNOFF(CFS) = 18.01 *** *** ******** *************** �-� FLOW PROCESS FROM NODE 165.00 TO NODE 166.00 IS CODE = 3 _-__-__________-______-_____-__-____-______-___________________-__--_-__-__- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PlPESIZE (NON-PRESSURE FLOW)<(<<< ============================================================================ DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 2.8 UPSTREAM NODE ELEVATION = 1268.82 DOWNSTREAM NODE ELEVATION = 1268.63 ' FLOWLENGTH(FEET) = 282.60 MANNINGS N ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 18.01 TRAVEL TIME(MIN.) = 1.66 TC(MIN.) = 13.19 *****w**o******** ************** *************** FLOW PROCESS FROM NODE 989.70 TO NODE 166.00 IS CODE = 8 ____________________________________________________________________________ )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.859 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8280 SUBAREA AREA(ACRES) = 15.30 SUBAREA RUNOFF(CFS) = 36.22 TOTAL AREA(ACRES) = 22.30 TOTAL RUNOFF(CFS) = 54.23 TC(MIN) = 13.19 **************************************************************************** FLOW PROCESS FROM NODE 166.00 TO NODE 167.00 IS CODE = 3 ---- _------- _---- _---- ___------ -__- ---- ___------ ____ ---- ___________-_-____ >>)>}COMPUTE PIPEFLOW TRAVELTlME THHU SUBAREA((((( ))MUSING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.0 INCHES orPFF/n: ,/c/nrTrv'�cFT/cFr � = ­. - UPSTREAM NODE ELEVATION = 1268.63 -� DOWNSTREAM NODE ELEVATION = 1268.00 FLOWLENGTH(FEET) = 304.47 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 54.23 TRAVEL T%ME(M%N.) = .89 TC(MlN.) = 14.08 **************************************************************************** FLOW PROCESS FROM NODE 989.80 TO NODE 167.00 IS CODE = 8 ____________________________________________________________________________ )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 2.749 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8271 SUBAREA AREA(ACRES) = .80 SUBAREA RUNOFF(CFS) = 1.82 TOTAL AREA(ACRES) = 23.10 TOTAL RUNOFF(CFS) = 56.05 TC(MIN) = 14.08 FLOW PROCESS FROM NODE 167.00 TO NODE 168.00IS CODE = 3 ------------ ----------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.8 UPSTREAM NODE ELEVATION = 1268 ^ 00 DOWNSTREAM NODE ELEVATION = 1267.50 FLOWLEN8TH(FEET) = 238.20 MANNlN8S N = .013 ESTIMATED PIPE DIAMETERUNCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAAEA(CFS) = 56.05 TRAVEL TIME(MIN.) = .69 TC(MIN.) = 14.77 **************************************************************************** FLOW PROCESS FROM NODE 989.90 TO NODE 168.00 IS CODE = 8 ���������������������������������������������������------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ' ============================================================================ 25.00 YEAR RAINFALL lNTENSITY(lNCH/HOUR) = 2.671 SOIL CLASSIFICATION I8 "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8265 SUBAREA AREA(ACRES) = .50 SUBAREA HUNOFF(CFS) = 1.10 TOTAL AREA(ACMES) = 23.80 TOTAL RUNOFF(CFS) = 57.15 TC(MIN) = 14.77 **************************************************************************** FLOW PROCESS FROM NODE 168.00 TO NODE 169.00 IS CODE = 3 ))>))COMPUTE PIPE FLOW TRAVELTIME THRU SUBAREA((((( >>)})UGlNG COMPUTER-ESTIMATED PJPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 48.0 INCH PIPE IS 38.3 INCHES PIPEFLOW VELOClTY(FEET/SEC.) = 5.3 UPSTREAM NODE ELEVATION = 1267.50 DOWNSTREAM NODE ELEVATION = 1267.00 FLOWLENGTH(FEET) = 285.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SU8AREA(CFS) = 57.15 TRAVEL TIME(MIN.) = .89 TC(MIN.) = 15.66 FLOW PROCESS FROM NODE 990.10 TO NODE 169.00 IS CODE = 8 ----------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((< 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.579 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8256 SUBAREA AREA(ACRES) _ .80 SUBAREA RUNOFF(CFS) = 1.70 TOTAL AREA(ACRES) = 24.40 TOTAL RUNOFF(CFS) = 58.86 TC(MIN) = 15.66 FLOW PROCESS FROM NODE 169.00 TO NODE 169.00 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ))) > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.66 RAINFALL INTENSITY (INCH. /HOUR) = 2.58 TOTAL STREAM AREA (ACRES) = 24.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 58.86 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 28.81 12.57 2.942 2 58.86 15.66 2.579 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 76.05 84.10 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 84.10 TIME (MINUTES) = 15.662 TOTAL AREA(ACRES) = 35.60 FLOW PROCESS FROM NODE 169.00 TO NODE 170.00 IS CODE = 3 )))) )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))) )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) _ 22.9 UPSTREAM NODE ELEVATION = 1267.0+ DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH(FEET) = 95.35 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) _ 30.00 NUMBER OF PIPES = 1 IPEFLOW THRU SUBAREA(CFS) = 84.10 !"RAVEL TIME(MIN. ) _ .07 TC(MIN. ) = 15.73 FLOW PROCESS FROM NODE 170.00 10 NODE 170.00 IS CODE = 1 >) >) )DESIGNATE INDEPENDENT STREAM FUR CONFLUENCE <( <<( - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINU"iES) = 15.73 RAINFALL INTENSITY (INCH. /HOUR) - 2.57 f,?Trl}.. �T'rc� n F= 1Pr_rl iClt o.:c.;� -.c: r', I ` TOTAL STREAM RUNOFF(CFS) AT CONFLUENL:E = 84.10 FLOW PROCESS FROM NODE 990.20 TO NODE 172.00 IS COLE = 2 ---------------------------------------------------------------------------- > >> ))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 345.00 UPSTREAM ELEVATION = 1270.00 DOWNSTREAM ELEVATION = 1262.00 ELEVATION DIFFERENCE = 8.00 TC = .303*[( 345. 00 * *3) / ( 8.00) ] * *. 2 = 6.663 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 4.307 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8354 SUBAREA RUNOFF(CFS) = 1.44 TOTAL AREA(ACRES) = .40 TOTAL RUNOFF(CFS) = 1.44 FLOW PROCESS FROM NODE 172.00 TO NODE 171.00 IS CODE = 3 ---------------------------------------------------------------------------- >) >> )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >)> ))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)(((<< ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 1'8.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 2.0 UPSTREAM NODE ELEVATION = 1262.00 DOWNSTREAM NODE ELEVATION = 1261.50 FLOWLENGTH(FEET) = 360.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) _ 1.44 TRAVEL TIME (MIN. ) = 2.99 TC (MIN. ) = 9.65 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 990.30 TO NUDE 171.00 IS CODE = 8 ---------------------------------------------------------------------------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.448 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8318 SUBAREA AREA(ACRES) _ .40 SUBAREA RUNOFF(CFS) = 1.15 TOTAL AREA(ACRES) _ .80 TOTAL RUNOFF(CFS) = 2.59 TC (MIN) = 9.65 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 171.00 TO NODE 170.00 IS COLE = 3 )) )))COMPUTE PIPEFLOW TRAVEL -TIME THRU SUBAREA( <((( )) )))USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW)<(((( ® - ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 4.7 UPSTREAM NODE ELEVATION = 1261.50 DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH ( FEET ) = 55.30 MANN I NUS N = .013 - ?1'TMf)Trt+, I., 1,c ri 7- 7 p'TNIF ., _ , C,_, -;+ r, ;ljritPjZ, rr- riTr PIPEFLOW THRU SUBAREA(CFS) = 2.59 TRAVEL TIME(MIN ) = 20 TC(MIN.) = 9.85 ^ ^ FLOW PROCESS FROM NODE 170.00 TO NUDE 170.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 9.85 RAINFALL INTENSITY (INCH./HOUR) = 3.41 TOTAL STREAM AREA (ACRES) = .80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.59 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ 1 84.10 15.73 2.572 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 86.06 55.25 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 86.06 TIME(MINUTES) = 15.732 TOTAL AREA(ACRES) = 36.40 FLOW PROCESS FROM NODE 170.00 TO NODE 74.V10 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTlME THRU SUBAREA<{<(< >>)>>USlNG COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)(<<<( ============================================================================ DEPTH OF FLOW IN 42.0 INCH PIPE IS 34.2 INCHES ' PIPEFLOW VELOCITY(FEET/SEC.) = 10.3 UPSTREAM NODE ELEVATION = 1261.00 ' DOWNSTREAM NODE ELEVATION = 1255.00 FLOWLENGTH(FEET) = 770.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 muMoEn OF pznEe PIPEFLOW THRU SUBAREA(CFS) = 86.06 TRAVEL TIME(MlN.) = 1.25 TC(MlN.) = 16.98 *************************e************************************************** FLOW PROCESS FROM NODE 74.00 TO NODE 74.00 IS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE�<<(< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.98 RAINFALL INTENSITY (INCH./HOUR) = 2.46 TOTAL STREAM AREA (ACRES) = 36.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 86.06 **************************************************************************** -- FLOW PROCESS FROM NODE 979.10 TO NODE 74.00 IS CODE = 2 _________________________________________________________________________ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ucvcL_urwL�ry I aa: L'ur" *l"#%%,AnL. TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 1040.00 UPSTREAM ELEVATION = 1268.00 DOWNSTREAM ELEVATION = 1255.00 ELEVATION DIFFERENCE = 13.00 TC = .303*[( 1040. 00 * *3) / ( 13.00) ] * *. 2 = 11.722 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.069 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8295 SUBAREA RUNOFF(CFS) = 15.91 TOTAL AREA(ACRES) = 6.25 TOTAL RUNOFF(CFS) = 15.91 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 74.00 TO NODE 74.00 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE¢ TIME OF CONCENTRATION(MINUTES) = 11.72 RAINFALL INTENSITY (INCH. /HOUR) = 3.07 TOTAL STREAM AREA (ACRES) = 6.25 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 15.91 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 979.00 TO NODE 74. IS CODE = 2 )))) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 1040.00 UPSTREAM ELEVATION = 1268.00 DOWNSTREAM ELEVATION = 1255.00 ELEVATION DIFFERENCE = 13.00 TC = . 303 *C ( 1040. 00 * *3) / ( 13.00) ] * *. 2 = 11.722 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.069 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8295 SUBAREA RUNOFF(CFS) = 18.68 TOTAL AREA(ACRES) = 7.34 TOTAL RUNOFF(CFS) _ 18.68 FLOW PROCESS FROM NODE 74.00 TO NODE 74.00 IS CODE = 1 ---------------------------------------------------------------------- - - - - -- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 11.72 RAINFALL INTENSITY (INCH. /HOUR) = 3.07 TOTAL STREAM AREA (ACRES) = 7.34 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 18.68 CONFLUENCE INFORMATION: STREAM RUNOFF "TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ------------------------------------------------------------ 1 86.06 16.98 2.457 2 15.91 11.72 3.069, 3 18.68 11.72 3.069 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 113.75 93.99 93.99 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 113.75 TIME(MINUTES) = 16.983 TOTAL AREA(ACRES) = 49.99 FLOW PROCESS FROM NODE 74.00 TO NODE 73.1410 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USlNG COMPUTER-ESTIMATED PlPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.3 INCHES �� � FLOW = 11.9 UPSTREAM NODE ELEVATION = 1255.00 DOWNSTREAM NODE ELEVATION = 1249.00 FLDWLENGTHWEGT) = 670.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 48.00 PIPEFLOW THRU SUBAREA(CFS) = 113'75 TRAVEL TIME(MlN.) = .94 TC(MIN.) N = .013 NUMBER OF PIPES = 17.92 **************************************************************************** FLOW PROCESS FROM NODE 73.00 TO NODE 73.00 IS CODE = 1 ____________________________________________________________________________ >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.92 RAINFALL INTENSITY (INCH./HOUR) = 2.38 TOTAL STREAM AREA (ACRES) = 49.99 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 113.75 **************************************************************************** FLOW PROCESS FROM NODE 978.00 TO NODE 73.mO IS CODE = 2 ----------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ' ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATl0N CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 665.00 UPSTREAM ELEVATION = 1255.00 DOWNSTREAM ELEVATION = 1248.60 ELEVATION DIFFERENCE = 6.40 TC = .303*[( 665.00**3)/( 6.40)]**.2 = 10.329 25.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 3.311 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8310 SUBAREA RUNOFF(CFS) = 12.49 TOTAL AREA(ACRES) = 4.54 TOTAL RUNOFF(CFS) = 12.49 *******************************»******************************************** FLOW PROCESS FROM NODE 73.00 lO NODE 73.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>}DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<(< >>>>)AND COMPUTE VARIOUS CONFLUENCED S[REAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 10'33 TOTAL STREAM AREA (ACRES) = 4.b4 TOTAL STREAM RUNOFF<CFS> AT CUNFLUEwCE = 1.2.49 r- CONFLUENCE INFORMATION: STRL:AM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 113.75 17.92 2.378 2 12.49 10.33 3.3z1 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 122.72 78.04 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 122.72 TIME(MINUTES) = 17.925 TOTAL AREA(ACRES) = 54.53 **************************************************************************** FLOW PROCESS FROM NODE 73.00 TO NODE 27.00 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THHU SUBAREA((<(< )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.4 INCHES PlPEFLOW VELOC{TY(FEET/SEC.) = 13.9 UPSTREAM NODE ELEVATION = 1249.00 DOWNSTREAM NODE ELEVATION = 1248.00 FLOWLENGTH(FEET) = 75.00 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 P[PEFLOW THRU SUBAREA(CFS) = 122.72 TRAVEL TIME<MIN.> = .09 TC(mIN.) = 18.01 **************************************************************************** FLOW PROCESS FROM NODE 27'00 lO NODE 27.wO IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<(< )>>>)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.01 RAINFALL zwTEmozry (zwoH./Houn) e.37 TOTAL STREAM AREA (ACRES) = 54.53 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 122.72 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ 1 122.72 18.01 2.371 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 122.72 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLt-OWS: RUNOFF(CFS) = 122.72 TIME(MINUTES) = 18.014 TOTAL AREA(ACRES) = 54.53 �� END OF RATIONAL METHOD ANALYSIS LATERAL B Q100 R 1 ra RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL <<<<<<<<<<(<<<<<<<((<<<<<(<<<<((<<<<(<>))>))) ))))))))) >))))))))>)) > > >)>>>)>) (C) Copyright 198E Advanced Engineering Software SAES] Especially orepared for: HALL & FOREMAN, INC. (((<(( (<<<(((<ttt((tt<((tt(<<<tt<<tt(<>>>>>>> > > > > > > >> > > > > > > >)) > * * * * * * * ** *DESCRIPTION OF * LATERAL 8 (FOOTHILL DRAIN HYDROLOGY) INCL TARGET * 0 100YR * VENKI.N J.N 3551,3/11/87 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** --------------------------------------------------------------- - -- USER - SPECIFIED - HYDROLOGY - AND - HYDRAULIC - MODEL - INFORMATION: ----------------------------------------------------------------------------- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: ' STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOOR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software EAESI' SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 989.30 TO NODE 162.00 IS CODE = 2 ---------------------------------------------------------------------------- ) ))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( - - ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATI0N CHANGE)] * *. INITIAL SUBAREA FLOW- LENGTH = 660.00 UPSTREAM ELEVATION = 1282.00 DOWNSTREAM ELEVATION = 1272.28 TC = '3N3*[( 660.00**3) /( 9.7d`]**.2 = 9.4b8 100.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 4.454 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8359 SUBAREA RUNOFF(CFS) = 11.91 TOTAL AREA(ACRES) = 3.20 TOT*L RUNOFF(CFS) = 11.91 **************************************************************************** FLOW PROCESS FROM NODE 162.00 TO NODE 163.00 IS CODE = 3 )))))COMPUTE PlPEFLOW TRAVELTIME THHU SUBAREA(<<<( )>>>}USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((<(( ============================================================================ DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.0 INCHES PIPEFLOW VELOClTY(FEET/SEC.) = 3.3 UPSTREAM NODE ELEVATION = 1272.28 DOWNSTREAM NODE ELEVATION = 1272.00 FLOWLENGTH(FEET) = 219.70 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PlPEFLDW THRU SUBAREA(CFS) = 11.91 TRAVEL TIME(MIN.) = 1.13 TC(MIN.) = 10.58 **************************************************************************** FLOW PROCESS FROM NODE 163.00 TO NODE 163.00 IS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 10.58 -m� RAINFALL INTENSITY (INCH./HOUR) = 4.16 TOTAL STREAM AREA (ACRES) = 3.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11.91 **************************************************************************** FLOW PROCESS FROM NODE 989.40 TO NODE 163.00 IS CODE = 2 ____________________________________________________________________________ )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS<(<Yf ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LEN8TH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 980.00 UPSTREAM ELEVATION = 1282.N0 DOWNSTREAM ELEVATION = 1272.00 ELEVATION DIFFERENCE = 10.00 TC = .303*[( 980.00**3)/( 10.00)1**.2 = 11.921 100.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 3.876 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8338 SUBAREA RUNOFF(CFS) = 23.59 TOTAL AREA(ACRES) = 7.30 TOTAL RUNOFF(CFS) = 23.59 **************************************************************************** FLOW PROCESS FROM NODE 163.00 TO NODE 163.00 IS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>)>AND COMPUTE VARIOUS CONFLUENCED SrREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AH.E: TIME OF CONCENTRATION(MINUTES) = 11.92 RAINFALL INTENSITY (INCH./'HOUR) = 3.88 rrTA} � ut7 'or ) ` r '/' TOTAL S[REAM RUNOFF(CFS) AT CONFLUENCE = 23.59 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ 1 11.91 10.58 4.163 2 23.59 11.92 3.876 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 32.86 34.69 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 34.69 TIME(MINUTES) = 11.921 TOTAL AREA(ACRES) = 10.50 **************************************************************************** FLOW PROCESS FROM NODE 163.00 TO NODE 164.m0 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTImE THRU SUBAREA((((( >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<{ ============================================================================ DEPTH OF FLOW IN 36.0 INCH PIPE IS 26.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.1 UPSTREAM NODE ELEVATION = 1272.00 DOWNSTREAM NODE ELEVATION = 1271.50 FLOWLENGTH(FEET) = 145.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = -,6.00 NUMBER OF PIP�S = 1 �-- PIPEFLOW THRU SUBAREA(CFS) = 34.69 TRAVEL TIME(MIN.) = .39 TC(MIN.) = 12.32 FLOW PROCESS FROM NODE 989.50 TO NODE 164.00 IS CODE = 8 ____________________________________________________________________________ )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 3.801 SOIL CLASSIFICATION IS "A" A " COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8335 SUBAREA AREA(ACRES) = '70 SUBAREA RUNOFF(CFS) = 2.22 TOTAL AREA(ACRES) = 11.20 TOTAL RUNOFF(CFS) TC(MlN) = 12.32 FLOW PROCESS FROM NODE 164.00 TO NODE 169.00 IS CODE = 3 >>>})COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.4 UPSTREAM NODE ELEVATION = 1271.50 DOWNSTREAM NODE ELEVATION = 1267.00 FLOWLENGTH(FEET) = 175.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER UF PIPES = l PIPEFLOW THRU SUBAREA(CFS) = 36.9@ TRAVEL TIME(MIN.) = .22 TC(MlN.) = 1.2.53 FLOW PROCESS FROM NODE 169.00 10 NODE 169'00 IS CODE = t )))))DESIGNATE INDEPENDENT STREAM FOR C0vFLUENLE((<(< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.53 RAINFALL INTENSITY (INCH./HOUR) = 3.76 TOTAL STREAM AREA (ACRES) = 11.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 36.90 **************************************** *********************** FLOW PROCESS FROM NODE 989.60 TO NODE 165.00 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALY8IS<<(<( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)y(ELEVATlON CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 900.00 UPSTREAM ELEVATION = 1278.00 DOWNSTREAM ELEVATION = 1268.82 ELEVATION DIFFERENCE = 9.18 TC = .303*[( 900.00**3)/( 9.18)]**.2 = 11.523 100.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 3.956 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8341 SUBAREA RUNOFF(CFS) = 23'10 TOTAL AREA(ACRES) = 7.00 TOTAL RUNOFF(CFS) = 23.10 **************************************************************************** FLOW PROCESS FROM NODE 165.00 TO NODE 166.m0 IS CODE = 3 _______________--___________--_-_-____________-_______-__-_-_______________- }))))COMPUTE PIPEFLOW TRAVELTlME THRU SUBAREA((((( >)>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<(< ============================================================================ DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 3.0 UPSTREAM NODE ELEVATION = 1268.82 DOWNSTREAM NODE ELEVATION = 1268.63 ' FLOWLENGTH(FEET) = 282.60 MANNINGS N ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF-PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 23.10 TRAVEL TIME(MIN.) = 1.57 TC(MIN.) =` 13.10 **w************************************************************************* FLOW PROCESS FROM NODE 989.70 TO NODE 166.00 IS CODE = 8 ____________________________________________________________________________ )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 3.664 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8328 SUBAREA AREA(ACRES) = 15.30 SUBAREA RUNOFF(CFS) = 46.68 TOTAL AREA(ACRES) = 22.30 TOTAL RUNOFF(CFS) = 69.78 TC(MIN) = 13.10 **************************************************************************** FLOW PROCESS FROM NODE 166.00 lO NODE 167.m0 IS CODE = 3 -_-___-______-________---_--________-________-____--_--________-___-__-_-___ }>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )>>>>USlNG COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLDW)(<(<< DEPTH OF FLOW IN 51'0 INCH PIPE 39.0 INCHES nTPFFinW Vq '� = ��"! UPSTREAM NODE ELEVATION = 1268.63 DOWNSTREAM NODE ELEVATION = 1268.00 FLOWLENGTH(FEET) = 304.47 MANNINGg ESTIMATED PIPE DIAMETER(INCH) = 51.00 PIPEFLOW THRU SUBAREA<CFS> = 69.78 TRAVEL TIME(MIN.) = .85 TC(MIN.) N = .@13 NUMBER OF PIPES = = 13.94 1 FLOW PROCESS FROM NODE 989.80 TO NODE 167.m0 IS CODE = 8 ---------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PERK FLOW<<(<( 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.529 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8322 SUBAREA AREA(ACRES) = .80 SUBAREA HUNOFF(CFS) = 2.35 TOTAL AREA(ACRES) = 23.10 TOTAL RUNOFF(CFS) = 72.13 TC(MlN) = 13.94 ********************************************** FLOW PROCESS FROM NODE 167.00 TO NODE 168.00 IS CODE = 3 ____________________________________________________________________________ >>>)>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PlPESlZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 51.0 INCH PIPE IS 39.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.1 UPSTREAM NODE ELEVATION = 1268 ~ N0 DOWNSTREAM NODE ELEVATION = 1267.50 FLOWLENGTH(FEET) = 238.20 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 72.13 TRAVEL TIME(MIN.) = .66 TC(MlN.) = 14.60 **************************************************************************** FLOW PROCESS FROM NODE 989.90 TO NODE 168.00 IS CODE = 8 -------------------------------------------------- A )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW(<<<( ' ============================================================================ 100.00 YEAR RAINFALL INTENSlTY(lwCH/HOUR) = 3.433 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8317 SUBAREA AREA(ACRES) = .50 SUBAREA RUNOFF(CFS) = 1.43 TOTAL AREA(ACRES) = 23.60 TOTAL RUNOFF(CFS) = 73.56 TC(MIN) = 14.60 **************************************************************************** FLOW PROCESS FROM NODE 168.00 TO NODE 169.00 IS CODE = 3 ---------------------------------------------------------------------------- >>>}>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )>}>>USlNG COMPUTER-ESTIMATED PlPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ DEPTH OF FLOW IN 54.0 INCH PIPE IS 40.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.7 UPSTREAM NODE ELEVATION = 1267.50 DOWNSTREAM NODE ELEVATION = 1267.00 FLOWLENGTH(FEET) = 285.00 MANNlmGS N = '013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIP�S = I PIPEFLOW THRU SUBAREA(CFS) = 73.56 TRAVEL TIME(MlN.) = .83 TC(MIw.) = 15.43 FLOW PROCESS FROM NODE 990,10 70 NODE 169.1410 IS CODE = 8 ____________________________________________________________________________ )))))ADDITION OF SUBAREA TO MAINLINE pEHK FLOW((((( ====================================~======================================= 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.321 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8311 SUBAREA AREA(ACRES) = .80 SUBAREA RUNOFF(CFS) = 2.21 TOTAL AREA(ACRES) = 24.40 TOTAL RUNOFF(CFS) = 75.77 TC(MlN) = 15.43 **************************************************************************** FLOW PROCESS FROM NODE 169.00 TO NODE 169.w0 IS CODE = � ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>>AND COMPUTE VARIOUS C0vFLUENCED STREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.43 RAINFALL INTENSITY (INCH./HOUR) = 3.32 TOTAL STREAM AREA (ACRES) = 24.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 75.77 CONFLUENCE INFORMATION: STREAM RUNOFF TIME IN[ENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) __________________________________________________________________________ 1 36.90 12.53 3.761 2 75.77 15.43 3.3;:.'1 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(S8C) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 98.45 108.34 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 108.3* TIME(MINUTES) = 15.428 TOTAL AREA(ACRES) = 35'6N **************************************************************************** FLOW PROCESS FROM NODE 169.00 10 NODE IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USlNG COMPUTER-ESTIMATED PlPESIZE (NON-PRESSURE FLOW)<<<(< ----------����������� DEPTH OF FLOW IN 33.0 INCH PIPE IS 23.1 INCHES PIPEFLOW VELDCITY(FEET/SEC.) = 24'4 UPSTREAM NODE ELEVATION = 1i�67.00 DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH(FEET) = 95.35 MANNIwGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA<CFS> = 108.34 TRAVEL TlME(MIN.) = .07 TC(M{N.) = 15.49 ' ***************************************************************************' FLOW PROCESS FROM NODE 170.*0 70 NODE 170.1t.t0 IS CODE = 1 �m�, ---------------------------------------------------------------------------- >>}>)DESIGNATE INDEPENDENT STHEAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STxEuM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.49 RAINFALL INTENSITY (INCH./HOUR) = 31.31 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 108.34 **************************************************************************** FLOW PROCESS FROM NODE 990.20 TO NODE 172.w0 IS CODE = 2 ____________________________________________________________________________ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 345.00 UPSTREAM ELEVATION = 1270.00 DOWNSTREAM ELEVATION = 1262.00 ELEVATION DIFFERENCE = 8.00 TC = .303*[( 345.00**3)/( 8.00)]**.2 = 6.663 100.00 YEAR RAINFALL INTENS{TY(INCH/HOUR) = 5.496 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8386 SUBAREA RUNOFF(CFS) = 1.84 TOTAL AREA(ACRES) = .40 TOTAL RUNOFF(CFS) = 1.84 **************************************************************************** FLOW PROCESS FROM NODE 172.016 lO NODE 171.00 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ AVON, ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 {NCH PIPE IS 8.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 2'1 UPSTREAM NODE ELEVATION = 1262.00 DOWNSTREAM NODE ELEVATION = 1261.50 FLOWLENGTH(FEET) = 360.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1.84 TRAVEL TIME(MlN.) = 2.81 TC(MIN.) = 9.47 �. FLOW PROCESS FROM NODE 990.30 TO NUDE 171.00 IS CODE = 8 ____________________________________________________________________________ }>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTBNSlTY(lNCH/HOUR) = 4.450 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8359 SUBAREA AREA(ACRES) = .40 SUBAREA RUNOFF(CFS) = 1.49 TOTAL AREA(ACRES) = .80 TOTAL RUNOFF(CFS) = 3.33 TC(MIN) = 9.47 **************************************************************************** FLOW PROCESS FROM NODE 171.00 lO NODE 1iN.m0 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THKU SUBAREA((((( >>)>>USING COMPUTER-ESTIMATED PlPESIZE (NON-PRESSURE FLOW)<<<(( ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5'0 UPSTREAM NODE ELEVATION = 1261.50 DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH(FEET) = 55.30 MANNlN�8 m = .013 PlPEFLOW THRU SU8AREA<CFS> = 3.33 TRAVEL TIME(MIN.) = .18 TC(MIN,) = 9.66 **************************************************************************** � PROCESS FROM NODE 170.00 TO NODE 170.00 IS CODE ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLJENCE<<(<( )>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ======== ========================================~= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 9.66 RAINFALL INTENSITY (INCH./HOUR) = 4.+0 TOTAL STREAM AREA (ACRES) = .80 TOTAL STREAM RUNOFF(CFS) AT COWFLUEN[l'E = 3.33 CONFLUENCE INFORMATION: STREAM RUNOFF TIME IN NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 108.34 15.49 3.312 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA{SBC> USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 110.85 70'85 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUMOFF(CFS) = 110.85 TIME(MINUTES) = 15.494 TOTAL AREA(ACRES) = 36.40 �q **************************************************************************** FLOW PROCESS FROM NODE 170.100 lO NODE 74.00 IS CODE = 3 ---------------------------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTImE THRU SUBAREA<(<<< >>>>}USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((< DEPTH OF FLOW IN 48.0 INCH PIPE IS 35.5 INCHES ' PIPEFLOW VELOCITY(FEET/SEC.) = 11.1 ,. UPSTREAM NODE ELEVATION = 1261.00 ' DOWNSTREAM NODE ELEVATION = 1255.00 FLOWLENGTH(FEET) = 770.00 MANNINGS m = .013 ESTIMATED PIPE DIAMETER(INCH) = +8.00 NUMBER uF pzpES 1 PIPEFLOW THRU SUBAREA(CFS) = 110.85 TRAVEL TIME(MlN.) = 1.15 TC(MIN.) = 16.65 **************************************************************************** FLOW PROCESS FROM NODE 74.u0 lO NODE 74.wN IS CODE = 1 ____________________________________________________________________________ >M>DESIGNATE INDEPENDENT STREAM FUR CONFLUENCE(<<(< ==========================================================================~~ CONFLUENCE VALUES USED FOR INDEPENDENT STREwM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.65 RAINFALL INTENSITY (INCH./HOUR) = 3.17 TOTAL STREAM AREA (ACRES) = 36.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 110.85 FLOW PROCESS FROM NODE 979.z0 lO NODE i4.u0 �S CODE = 2 >>>>>RATIONAL METHOD INlTI*L SU8ARLA ANwLYSlS<<<<< DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.: INITIAL SUBAREA FLOW- LENGTH = 1040.00 UPSTREAM ELEVATION = 1268.00 DOWNSTREAM ELEVATION = 1255.00 ELEVATION DIFFERENLE = 13.00 TC = .303*[( 1 @40.00 * *3) / ( 13.00) ] * *. 2 = 11.722 100.00 YEAR RAINFALL INTENSITY(INCH /FlOUR) = 3.916 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEF"FICIENT = .8339 SUBAREA RUNOFF(CFS) = 20.41 TOTAL AREA(ACRES) = 6.25 TOT)'-'IL RUNOFF(CF8) _ E'0. 41 FLOW PROCESS FROM NODE 74.00 10 NODE 74.vQ IS CODE = 1 ------------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <<((( CONFLUENCE VALUES USED FOR I IVI.)EF!ENDE:NT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.72 RAINFALL INTENSITY (INCH. /HOUR) = 3.92 TOTAL STREAM AREA (ACRES) = 6.2.b TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE _ uz'0.41 FLOW PROCESS FROM NODE 979.00 10 NOVE 74.00 IS CODE = 2 ) >)))RATIONAL METHOD INITIAL SUBAREA ANALYSIS <( <(( --------------- - - - -- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 1040.00 UPSTREAM ELEVATION = 1268.00 DOWNSTREAM ELEVATION = 1255.00 ELEVATION DIFFERENCE = 13.00 TC = . 303* C ( 1040. 00 * *3) / ( 13.00) ] * *. 2 = 11.722 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.316 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8339 SUBAREA RUNOFF(CFS) = 23.97 TOTAL AREA(ACRES) = 7.34 TOTAL RUNOFF(CFS) = c3.97 FLOW PROCESS FROM NODE 74.00 10 NODE 74.00 IS CODE = 1 ))) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )) > > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 11.72 RAINFALL INTENSITY (INCH. /HOUR) = 3.98 TOTAL STREAM AREA (ACRES) = 7.34 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 23.97 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---- - - - - -- 1 110.85 16.63 3..1.73 2 20.41 11.72 3.91 C 3 23.97 11.72 3.916 RAINFALL INTENSITY AND TIME OF CONCEt\1TRATIOm RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 146.81 122.43 122.43 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 146.81 TIME(MINUTES) = 16.647 TOTAL AREA(ACRES) = 49.99 **************************************************************************** FLOW PROCESS FROM NODE 74.00 TO NODE 73.00 IS CODE = 3 )))))COMPUTE PIPEFLOW TRAVELTIME THHU SUBAREA((((( >>)>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<( DEPTH OF FLOW IN 51.0 INCH PIPE IS 39.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.5 UPSTREAM NODE ELEVATION = 1255.00 DOWNSTREAM NODE ELEVATION = 1249.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = � PIPEFLOW THRU SUBAREA(CFS) = 146.81 TRAVEL TIME(MIN.) = .89 TC(MIN.) = 17.54 **************************************************************************** FLOW PROCESS FROM NODE 73.00 TO NODE 73.w0 lS CODE = 1 >>}>>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<(( =========================================================== u Amok ================= �-� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: - TIME OF CONCENTRATION<MINUTES) = 17.54 RAINFALL INTENSITY (INCH./HOUR) = 3.07 TOTAL STREAM AREA (ACRES) = 49.99 TOTAL STREAM RUNDFF(CFS) AT CONFLUENCE = 146.81 ******************************************** ****************** FLOW PROCESS FROM NODE 978.00 lO NODE 73.00 IS CODE = 2 ----------------------------------------------------- ------------------------- )})))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 665.00 UPSTREAM ELEVATION = 1255.00 DOWNSTREAM ELEVATION = 1248.60 ELEVATION DIFFERENCE = 6.40 TC = .303*[( 665.00**3)/( 6.40)3**.2 = 10.329 100.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 4.225 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8351 SUBAREA RUNOFF(CFS) = 16.02 TOTAL AREA(ACRES) = 4.54 TOTAL RUNOFF(CFG) = 16.02 **************************************************************************** FLOW PROCESS FROM NODE 73.00 TO NODE 73.11;0 IS CODE = 1 ____________________________-_____----_______-_________--------------------- >>>>>DESlGNATE INDEPENDENT STREAM FOR COwFLUEwCE((<<< }>>>>AND COMPUTE VARIOUS CUNFLUENCED S[REAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STRPAN 2 ARE: TIME OF CONCENTRArION(mTNU7ES) = �N.3J TOTAL STREAM AREA (ACRES) = 4.54 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 16.02 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) <MlN.> (INCH/HOUR) ____________________________________________________________________________ 1 146.81 17.54 3.074 2 16.02 10.33 4.225 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 SrREAmS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 158.46 102.46 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CF8) = 158.46 TIME(MINUTES) = 17.542 TOTAL AREA(ACRES) = 54.53 **************************************************************************** FLOW PROCESS FROM NODE 73.00 lO NODE 27.m0 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 48.0 INCH PIPE IS 38.5 INCHES PIPEFLDW VELDCITY(FEET/SEC.) = 14.7 UPSTREAM NODE ELEVATION = 1249.00 DOWNSTREAM NODE ELEVATION = 12+8.00 FLOWLENGTH(FEET) = 75.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 158.46 TRAVEL TIME(MlN.) = .09 TC(MIN.) = 17.63 **************************************************************************** FLOW PROCESS FROM NODE 27.00 TO NODE 27.00 lS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )}>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.63 RAINFALL INTENSITY (INCH./HOUR) = 3.07 TOTAL STREAM AREA (ACRES) = 54.53 TOTAL STREAM RUNDFF(CFS) AT CONFLUENCE = 158.46 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ 1 158.46 17.63 3.066 RAINFALL INTENSITY AND TIME OF CONCENTRATION,RATIO FORMULA(S8C) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 158.46 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 158.46 TIME(MINUTES) = 17.627 TOTAL AREA(ACRES) = 54.53 n� END OF RATIONAL METHOD ANALYSIS RATIONAL METHUD COMpUTER PROGRAM BASED ON SAN [%]UNTY (SBC) 1983 HYDROLOGY MANUAL <<<<<<<<<<<<(<<<<<<<<<<<<<<(<<<(<<<<<<>>>>>>>>>>>>>>}>>>>>>>>>>>>>}>>>>>>>>> (C) Cooyright 1982 Advanced Engineering Software Especially prepared for: HALL & FOREMAN, 7NC. ;********DESCRIPTION OF RESULTS******************************************** ZNDUSTRIAL AREA HYDROLOGY LATERfA- C TO LI�E L * * Q 25Y� +*+************************************************************************* ____________________________________________________________________________ �S�� 5pECT�IED HYDROLOGY AND HYD9AULIC NtlDEL INFORMATION: __________________________________________________________________________ uSER STECIFIED STORM EVENT(YEAR) = EMECITIEJ MINIMUM PIPE = 18.�0 SPECIFIED PERCENT OF GRADIENTS (DECIMAL) TO U�E FOR p�ICTICm S�OPE = .95 10-YEAR STORM 60-MlNUlE INTENSITY(INCH/� = .980 j0@-Y�AR STORM 60-MINUTE INTENSITY(INCH/HOUR) - _ = 1.470 COMpU"ED RAINFALL INTENSITY DATA: ST�RM EVENT = 25.00 1-HOUR ImTENSTTY(INCH/HOUR) = 1.1520 7/'��E CF INTENSITY DURATION CURVE = .60N0 HIM -Y3RDLOSY MAuUAL "C"-VALUES USED Advanced Engineering Softwape [AES] SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 ((<<<<<<<<<<<<<<<(<<<<<<<<<<<<<<<<<<<0>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>}>>>>> ��OW PRO�ESS FROM NODE 835.�� lO NODE 33.w0 /S 'OW = 2 __________________________________________________________________________ >>}>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< �SSUMEO [NITIAL SUBAR�A UNlFORM � C�V�LO�M��T IS: CO��E�CIAL , �� = K*�(LENGTH**3)/(ELEVATION CHANGE>]**.2 1NITWL SUBAREA FLCw-LEmGTH = 780.00 '�o9T9�AM ELEVATIO�N = 1323.00 3OWmSTREAM ELEVATION = 1304.@N 7''TVATIQN DIFFERENCE = z9.00 �� = .303*[( 78N.00**3}/( 19,00)]**.2 = 9.143 25.00 YEAR RAINFALL 1NTE*SITY(I,\1CH/H(3UR) = 3.562 �Ol- CLI IS "A" DEVELOPmEmT Rk*OFP COEFF{CTEm� = ,�3�3 ausARNA Rm:OrF":ps 1 = 18.38 TOTAL AREA(ACRES) = 6.a0 TOTHL RUNOFF(CFS) **************************************************************************** FLOW PROCESS FROM NODE 33.00 TO NODE 40.41 lS COUE = 3 -___-_______________________________________________________________________ >>>>>COMPU�E P[P� 'FLOW TRAVELTI�E THRU SUBAREA<<<<( � >>>>>USTNG COMPUTER-ESTIMATED PIPESTZE (wOW-PRESSURE FLOW)<((<( ============================================================================ DEPTH Q� FLOW � IN 30.0 INCH PIPE IS 20.7 INCHES OIPEF LOW �� � � � � _ FEET/SEC > = 5.1 UPSTReAM NODE ELEVATION = 1304.00 DOWNSTREAM NODE ELEVATION = 1303.00 FLOWLENGTH(FEET) = 320.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 30.00 PIPEFLOW THRU SUBAREA(CFS) = 18.38 7RAVEL TIME(MIN.) = 1.05 TC(MIN.) N = .013 NUMBER OF PIPES = = 10.19 FLOW PROCESS FROM NODE 834.w0 TO NODE 4N./0 .!S CODE = 8 1)>)YADDITION UF SUBOREO TO MAINLINE PEAK FLOW((((( ================================================================ ============ 25.00 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 3.337 GO%L CLASSIFICATION IS "A" 'COM�+ERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8312 SUBqREA AREA(ACRES) = '4.10 SUBAREA RJNUFF(CF8) = 11.37 TOTAL AREA(ACRES) = 10.30 TOTAL RUMOFF(CFS) = 29.75 7C(AI'%:) = 10.19 *+************************************************************************** FLOW PROCESS FROM NODE 40.z0 lO NODE 3g.wi0 IS CODE = 3 __________________-________________-______--__~____ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA{<(<< >>}>>USING COMpUTHR-EST lMATED PIoESlZE (NON-PRESSURE F�OW)<<(<< DE'PTw OF �LOW IN 33.0 ImCH PIPE TS 25.9 INCHES DIPEFLOW VEL0CITY(FEET/SEC.) = 6.0 �zS7REAM MUDE ELEVATION = 13N3.00 DOWNSTREAM NODE ELEVATION = 1301.00 7iDWLENGTH(FEET) MANN]NGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER UF PIPES = PIPEq_OW THRU SUBAREA(CFS) = 29.75 TRAVEL TIME(MIN.) = 1.54 TC(MIN.) = 1 .1.73 FLOW PROCESS FROM NODE 833.00 lO NODE 39.010 lS CODE = 8 --------------------------------------------------------------------��������� >>>>>ADDITION'OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.067 S[}IL CLASSIFICATION IS "A" C3 MMERCIAL DEVELOPMENT RUNOFF COEFF�CIENT= .8295 SUBAREA AREA(ACRES) = 4.70 SUBAPEA RUNOFF(CFS) = 11.96 ' / 70TAL AREA(ACRES) = 15.N0 TOTHL RUNOFF(CFS) = 41.71 7C(MIN) = 11.73 **************************************************************************** FLOW PROCESS FROM NODE 8,34.10 7 NODE CODE = 8 ---------------------------------- _ ------- _------------------------ _________ 00>ADD[TION OF SUBAREA TO MATN'INiE PEAK FLOW<(<(< 25.00 YEAR RAINFALL {NTENSI SOIL CLASSIFICATION I8 "A" COMMERCIAL DEVELOPMENT RUNOFF SUBAREA AREA(AC9lE8) = .80 � AREA(ACqES) = 15.80 `C(�IM> = 11.73 [Y(INCH/HOUR) 3.067 COEFFICIENT = .8295 ' SUBAREA RUNOFF(CFS) = 2'0+ TOTAL RUNOFF(rFS) = 43.75 ***********************************************************w**************** FLOW PROCESS FROM NODE 39.N0 lO �OUE 39.mO ',LS CODE = 1 ))}))DESIGNATE INDEPENDENT STREAM FOR (<(<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 11.73 ?AINFALL INTENSITY (INCH./HOUR) = 3.07 'OTAL'STREAM AREA (ACRES) = 15.80 TOTAL STREAM RUNQFF(CFS) AT CONFLUENCE = 43.75 �:LOW PROCESS FROM NODE 8.36. LAO 10 NODE 34.W0 l5 CODE = 2 .,))))RATIONAL METHOD INITIRL SUBAREA ANALYSIS<(((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[/1_ENGTH**3)/(ELEVATION CHANGE)]**.2 �C_ SUBAREA FLOW-LENGTH = 630.00 J�S�RE�M ELEVATION = 13 19. 160 DO`,;NSTR=_ANl ELEVATION = 1304.00 7 LEVATI[NI DIFFERENCE = 15.00 TC = .303*[( 630.00**3)/( 15.00)]**.2 = 8.433 25.00 YEAR RAINFALL INTENGITY(INCH/HOUR) = 3.739 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8332 S;jBAR;=A RUNOFF(CFE>) = 14.02 TOTAL AREA(ACRES) = 4.50 TOTAL RUNOFF(CFS) = 14.02 FLOW pROCESS FROM MODE 34.V,0 lO NOUE 39.v.;0 IS CODE = 3 )))))COMPUTE PIPEFLOW TgAVELTIME THRU 8UBAREA((<<< )))))USING COMPUTER-ESTIMATED PIPEGIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.1 INCHES PIPEFLOW VELQCITY(FEET/SEC.) = 7.1 UpSTREAM NODE ELEVATION = 13@4.0N DOWNSTREAM NODE ELEVATION = 1301.060 FLOWLENGTH(F���� = 320.00 MANN%N8S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES =. 1 .-�IPEFLOW THRU SUBAREA(CFS) = 14.02 TRAV=L TIME(MIN.) = .75 TC(M IN. ) = 9.19 ' FLOW PROCESS FROM NODE 39.@0 *}O NOUE 39.00 LS CODE = 1 --------------------------------------------------------------------------- >>>>> DES I GNATE INDEPENDENT 5TREAM'FUH <<<{< 0 0 >>>>>AND COMPUTE VARIOUS CONFLUEWCED S[R6AM VALUEG<<((< =============================================== ====== == �J�FLUE�CE VALUES USED FOR INDEPENDENT SrREAM 2 AHE: TIME OF CONCENTRATION(MINUTES) = 9.19 RAINFALL TNTENSlTY <INCH./rAOUR/ = 3.55 +.bO TOrAL STREAM RUNOFF(0F8) AT CONFLUENCE CONFLUENCE INFORMATION: 5TPEAM RUNOFF TIME INTENSITY NUMBER ----------------------------------------------------------------------- (CFS) (MIN.) (INCH/HOUR) 1 43.75 11,73 3.067 2 14.02 9.19 3.5t_52 RAINFALL INTENSITY AND TIME UF CONCENTRATION RATIO FORMULAXSBC} USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 55,86 48.28 COMPUTED CONFLUENCE ESTIMATES A�E AS FOLLOWS: RUN0FF(CF.S.) = 55.86 TIME(MINUTES) = 11.730 TOTAL AREA(ACRES) = 20.30 FLOW PROCESS FROM NODE 39.00 10 NODE Z�8.160 iS CODE 3 0�>>COMPUTE PIPEFLOW TRAVELTIME THHU SUBAREA<<<<< >>>>>US%NG COMPUTER-ESTIMATED PIPESI2E (NON-PRESSURE FLOW)<<<<< OF FLOW IN 42.0 INCH PIPE IS 29.9 INCHES OT VELOC%TY<FEET/SEC.> = 7.6 DzSTMEAM NODE ELEVATION = 1301.00 DOWNSTREAM NODE ELEVATION = 1299.00 -FLOWLENGTH(FEET) = 450.0ib MANwINGS N = .013 ESTIMATED PIPE DIAMETER (INCH) = 42.00 MUllriBLR UF P[PES = 1 PJoEFLOW THRU SUBAREA(CFS> = 55.86 �RAVEL TIwE(MIN.) = .98 TC(MIN.) = l2.71 ** *************************************************************** FLOW PROCESS FROM NODE 837.00 lO NODE iS CODE = 8 ---------------------------------------------------------------------------- >>>>>ADDITIQN OF SUBAREA TO MAIiNLImE PEAK FLOW<<<<< ============================================================================ 25.00 YEAR RAINFALL lNTENSITY(INCH/HOUH) = 2.923 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8285 SUBAREA AREA(ACMES) = 7.50 SUBAREA RUNOFF(CFS) = 18.16 ` TOTAL AREA(ACRES) = 27.80 TOTAL RUNOFF(CFS) = 74.02 TC(MIN) = 12.71 FLOW PROCESS FROM NODE 38�060 lO NODE 12.m0, IS CODE = 3 -------------------------------- -------------------------------------------- >>>>>COMPDTE P%PEFLOW TRAVELTTME THHW SU REA({<(( )>}}>USIWE; COMPUTER-ESTIMATED P%PES%ZE (NOW-PRESSURE FLOW){(((( 92PTH OF FLOW IN 45.0 INCH PIPE IS 35~3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.0 i/PGTREAM NODE ELEVATION = 1299.00 DOWNSTREAM NODE ELEVATION = 1296.m69 FLOuLEMGTH(FEET) = 700. it N = .013 -S�lMATED PIPE DIAMETER(INCH) = 45.�0 NUMBER UF PIPES = 1 PIoP-FLOW THRU SUBAREA(CFS) = 74.02 �nAVEL TI�E(MIN.) = 1 47 TC(MIN.) = z4.l8 F�nW PROCESS FROM NODE 12.W0 10 NODE 12.N0 I8 CODE = 1 >>>>>DESIGMATE INDEPENDENT STREAM FOR (<(<< � CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: � � TTME OF CONCENTRATION(MINUTES) = 14.18 RAINFALL INTENSITY ([NCH./HOUR) = 2.74 TOTAU STREAM AREA (ACRES) = 27.80 �r T0' STREAM RUNOFP(CFG) AT CONFLUENL:E = 74.�2 FLOWPROCEGS FROM NODE 838.10 lO NODE 12.V.4 ';IS CODE = 2 ' �-__~__-__-________~__-____________~________-_____________________ )�} � �' �ATt AL �T OD INITIAL SUBAREA ANALYSIS(<<(< � . ON �>� H ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC == K*C(LEN3TH**3)/(ELEVATION CHANGE)]**.2 SUBAREA FLOW-LENGTH = 950.00 UOI�TREAM ELEVATION = 1299.00 ' EAM ELEVATION = 1296.00 ELEVATION DIFFERENCE = 3.00 `TC =i .303*[( 950.00**3)/( 3.00)]**.2 = 14.887 . _ 25�00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 2.659 G CLASSIFICATION IS "A" ,C0MMERC2AL DEVELOPMENT RUNOFF COEFFICIENT = .8263 S8BAREg`RUNOFF(CF8) = 7.54 TOTALA8EA(ACRES) = 3.43 1 AL RUNOFF (("FS) = 7.54 **************************************************************************** f= FROM NODE 12.01 0 lO NODE ;.2. IS CODE = 1 --___________________________-__________-_____________________-_~___________ }>>>>DESI8NATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM. 2 ARE- TIME OF CONCENTRATION(MINUTES) = 14.89 RAINFALL I!NITENGITY (INCH./HOUR) = 2.66 7 0 7 AL STREAM AREA (ACRES) = 3.43 AL STREAM RUNOFF (CFS) AT CONFLUENCE = 7.54 � F�OW PROCESS FROM N0bE 70N.00 lO NODE 2 �---------- I ---------------------------------------------------------------- � >>}))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM � DEVELOPMENT IS: COMMERCIAL � rC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 | IWlTIAL SUBAREA FLOW-LENGTH = 760.00- � UPSTREAM ELEVATION = 1305.00 DOWNSTREAM ELEVATION = 1303.00 � ELEVATION DIFFERENCE = 2.00 TC = .303*[( 760.00**3)/( 2.00_)]**.2 = 14.121 � 25.00 YEAR RAIwFALL {NTENSITY(INCH/HOUR) = 2.744 � - 0IL CLASS[FICATION IS "A" � CC.MMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8271 � U SijBA�EA RUNOFF(CFS) = 13.07 TOTAL AREA(ACRES) = 5.76 TOTAL RUNOFF(CFS) = �3.07 � �LOW FROM NODE l2,1@ lO 7 2. S COUE = 6 JPSTREI-M ELEVATION = 1303.00 DOWNSTHE�iM ELEVATION = 1296.50 STREET LENGTH(FEET) = 62N. 011A OURS H�:ISTH(INCHEG) = 8. STREET 'HALFWIDT;-i(FEET) = 38~00 STREET CROSSFALL(D�CIMAL) = .10279 SoECIFIVD NUMBER OF HALFSTREETS CA9HYl�G �UNQFP = 1 **TRAVELTIME COMPUTED �8 MEAN R-OW(CFS) STREET - :1OWDEpTH(PEET) = .60 HALFSTREET PLOODWIDTH(FEET) = �6.34 AVERAGE F�OW VELOCITY(FEET/SEC.) = 3.7m PRODUCT OF DEPTH&VELOCITY = 2.21, STREETFLOW TRAVELTIME(MIN) = 2.79 TC(11IN) 6.91 _Cd5.00 YEAR RAINFALL !NTENSITY(INCH/HObR) = 2.463 313IL-CLABSIFI ON IS C8 DEVELOPMENT RUNOFF COEFFICIENT = .8245 SUBAREA = 1.33 SUBAREA RUNUFF(CF5) = 2.710 SUMMEDAREA(ACRES) = 7.09 TOTAL RUNOFF(CFS) = 15.77 FE OF REETFLOW HYDRAULICS: DEP > = .61 HALFSTREET FLOODWIDTH(FEET) = !6.91 FLOW VELOCITY(FEET/SEC.) = 3.79 DEPTH*VELOCITY = 2.33 FROM �UDE 700. !0 T0 Ni0DE 12.00 �'S CUDE = 8 -__-___-____________-________-_______---------------- _ _ _-____________--______ � >>>>}Q00TT70N OF SUBAREA TO MAINLINE PEAK FLOW((((( ============================================================================ 25.00 YEAR RAINFALL 7NTENSITY(JMCH/H\lU�) �OrL CLASS�FICATTON �S "A'' Ci DEVEl'CPMENT RUNOFF COEFFICIENT SPqoREA AREA(ACRES) = 8.21 SUBAREA RU�GJFF(CFS> = �.6.67 q,REA(AC3ES) = 15.30 TOTAt- 9U�illFF(CF8) = J2.44 7C TN> = 16.91 FLCW PROCESS FROM NODE 12.00 lO NODE 12.00 Q CODE = 1 ----------------------------------------------------------------------------------- >>>}}DES!GNATE INDEPENDENT STREHM FOR CONFLUENCE<<<<< />>)}guD COMPUTE VARIOUS CUN?�LUEWCEU VALUES USED FOR I-\: TIME Orz CONCENTRATION(MINUTES) = 16.91 RAT INTEN SITY (INCH./HOUR) = 2.46 T2rAL STREAM AREA (ACRES) = 15.3N �OTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 32.44 � CONFLUENCE INR]RMATTON: STREAM RUNOFF TIME INTENSITY � NUMBER (CFS) (MIW.) (INCH/HOUR) ` � ------- - -------------------------------- 7 --------------------------------------- � 1 74.02 14.18 2.737 � 2 7.54 14°89 2.659 3 32.44 16.91 2.463 � � RAINFALL !NTENSITY AND TIy� OF [ONCE.NTRATTON RAT 10 USED 3 STREAMS. VARlOLS CONFLUENCED RUNOFF ARE A FOLLOWS: i 108.39 107.98 106.01 C04wiTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: Ri�� GFF(CF8} = 108.39 TI�E(MINUTES) = 14.179 . TU�A� A��A(ACRES) = 46.53 � | FLOW PROCESS FROM MODE 12.LZO �O �OUE �� 15.mN 28 COUE = 3 >>>>>C0nPUTE P[PEFLOW TRAVELTI�E TH;(U SUBAREA<(<<< >>J>>USING CGMcx]TER-E9TlMATED oIPE8IZI (-N;DN-PR =============================================================== 07P7-4 O� 39.2) IgCH PIPE IS 29.9 I�CHEG oTr��LOW VELOCITY (FEET /SEC.) i�oSTpEA� NODE ELEVATIDN = 1296.00 VIOWNSTREAM NODE ELEVATIUN. 8.V0 PUO#L1ENqTH(FEET) = 385.N0 �ANN}NGS N = .01.3 ESTIMATED PIPEDIAMETER(INCH) =. 39.00 .NUMBER UF PIPr.,.S = 1 PIPEFLOUl THRU SUBAREA(CPS) = 108.39 7RAVEL TIMF(MIN.) = .40 TC(MIN.) = 1 .4.58 ` ' FLOW PROCESS FROM NODE 15.00 lO NODE 15.m0 IS CODE = 1 _____'_____~-____-___-____________-______________-___________-_________ ) YQXDSSIGNlATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONf:LUENCE VALUES USED FOR INDEPENDENT STwEAM 1 ARE: i�� CONCENTRATION (MINUTES) 4 ,TI = 1 . 58 . RA ALL NTENSITY (INCH./HOUR) = 2.69 - rOTf�L ST�EAM AREA (ACRES) = 46.53 T0TAL STHEAM RUNOFF(CFS) AT CO�FLUENCE ^ FLOW PROCESS FROM NODE 838.10 10 lS COlbE = 2 ---- ------------------------ ------------------------------------------------- >>>>>9ATT8NAL METHOD lNITIAL SUBAREA ANALYSIS{<<<< ASSUMED INITTWL 3UIDAREA D*:_:V'HLCPMENT IS: COMMERCIAL rC = K*[(LE4GTH**3)/(ELEVATION CHANGE)]**.2 141TIAL SUBAREA FLOW-LENGTH = 301 iP5TREAM ELEVATION = 1296.00 ELEVATION = 1288.Q , 0 FnEVATIOM DNFERENCE = 8.o0 7C = . 103*[( 30@.@N**3) /( 8.00)3**.2 = 6.127 25.00 YEAR RAINFALL = 4.529 ' IL CL-, IS "A" COMMERCIAL DEVELOPMENT PUNOFF COEFFICIENT = .8361 SU9A�EA9��OFF(CFS> = 1'51 707AL AREA(ACRES) = .40 TOT*L RUNOFF(CF3) = 1451 �LOW PROCESS FROM NODE 15.00 lQ NODE z5.�Z 1S CODE = l ` ____________________-_-_______-___~_-_________________________________ `>}>>DESIGNATE INDEPENDENTSTREAM FUR CONFLUENCE<((<< _ �ONFLUENCE VALUES USED FOR INDEPENDENT STHEAM 2 ARE: TTME OF CONCENTRATION(MINUTES) = 6.13 � 3'AINFALL INTENSITY (INCH./HOUR) = 4.53 � S7REAm AREA (�CRFS> = .4N STRt RUwOFFQFS) p= PROCESS FROM NODE 939,00 10 NOl 2-k'@ 'S CCl E � 2 _-___________________-_____-________�_______-______-________-__________ RATIONAL METHOD UDA9EA <<(< | �S����D I�I��*�� ��B���A '���F��� C%~/�'n = I�w«.�� k"S70EAM ELEVAT70N = 1304.0@ G�wn��9���N �LEVAT��m = 13N2.80 TLEVATIOW DIFFERENCE = 2.00 TC = '303*[( 1000.00**3)/( 2,0 0) 2 649 ` 25.Q0 YEAR RAINFAuL {NTENSITY(I�C�/�O��} C�ASSI�I�A7ION IS C2MMERCTAL DEVELOPMENT RUNOFF CCEFF&KENT = .3247 Si��A�EA Ru^OF;�(CFS) = 20. 50 �OTAL AREA(ACRES) = 1@.Q0 T'}TAIL 3UKOFF(CFS) = &0.50 * **************************************************** tLOW'-PROCESS FROM NODE 838.00 ?O NOLE 4 2.11'0 G CJ11E = 8 >>>>> ADDITION' OF SUBAREA TO FLOW<<<<< - 25.00 YEAR RAINFALL TNTENGITY(INCH/HOUI) = 2.486 ROIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8247 SUBAREA AREA(ACRES) = 4.03 SUBAREA = 8.2� TOTAL AREA(ACRES) = 14.03 26.77 »*************************************************************************** oROCESS FROM NODE 42.00 10 AODE 3 >}>>>COMpUrE T3AVELTI�E r�;-iU SUGAREA<<<<( >l>)>USI*G COMPU7ER-ESTIMATED PloESIZE (NON-PRESSi,RE F/IAw)<<<<( JEPTHi �-= FLOW IN 27.0 P;'PE T�S 21.1 INCHES �{P5FLO� VELOCITY(FEET/SEC.} = 8.6 ^ - -PGTREPm eODE ELEVATION = 1292.00 -7-bWNSTREAM -MODE ELEVATIUN = 1288.00 OW' (FEET) = 400.00 '"ANNINGS m ES7AATED PIPE DIANETER(INCH) = 27.00 NIUmBER cF PlP�S = 1 THgi] SUBAREA(CFS) = 28.77 rRAV�L TI�E .77 0C(1I%) PLOW PROCESS FROM NODE 15.0N n 0 ldE 7,3. 4 1S CODE = 1 __-______________________________~_________-______________________ >>>>>DESIG%ATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>�AND COMPUTE VAR lOUS CUNFLUEMCED S[REAM VALUES CONFLUENCE VALUES USED IADEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 17 RAINFA�L INTENS7TY (INCH. /HOUR) = 2.42 TOTAL STREAM AREA (ACRES) = 14.03 TOTAL STREAM PUNOFF(C!=S) AT CONFLUeNCE = 28.77 CONFLUENCE INFORMATION: GTREAM RUNOFF TIME INTENSITY N�MBER (CFS) (MIN.) (INCH/HOUR) 1 108.39 14.58 2.692 2 1.51 6.13 4.529 3 � INTENSITY 28.77 17.42 2.419 �TNFALL R . NSITY AND TIME OF CONCENTRATION RATIO ! '' ' ( USED FOR 3 STREAMS. VARInAS� [ONFLWENCED RUNOFF VALUES ARE AS FOLLOWS: � 13 . 57.17 127.00 ' COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: �^PAZ (niwu/�_u 14.tpu�S TOTAL AREA (ACRES) 60.96 � FLQW,::lq7OCESS FROM NODE 15. 00 TO NODE 15. 10 IS CODE a � >W)),COMPUTE PIPEF0W TRAVELT%ME THRU gUgA COMPUTER-ESTIMATED P PES%ZE ((<( � =�=��=====�======��=���====�=�*==;��= DEPT `� IN 45 INCH PIPE IS 31.8 %NtHES L CITYKFEET/SEC°> = 16.0 PST ELEVAT%OW = 1288.00 TAISA PF, ELEVATION = 1@@0.060 FL (FEET) = 450.00 MANN%NGS N .013 SS DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE `THRU SUBAREA(CFS) = 133.37 TRAVEL TIME(MIN°).= .47 TC(MIN.) = 15.05 * * FlOW P -ESS FROM NODE 15.10 10 NODE, 15.1ka CODE I >�>}yDESIGNATE INDEPENDENT STREAM FOR CONFLUEWCE<<(<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TI' OF CONCENTRATION(MINUTES) = 15.65 RAINFALL INTENSITY (INCH./HOUR) = 2.64 70'AL STREAM AREA (ACRES) = 60.96 10TAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1,:�3.37 =!,OW FROM NODE 947.00 lO NODE 1:5.1N 1 CODE = 2 -- | -----~----~-------------------------------- ~-------------------------------- � )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<(<< ASSUMED INITIwL SUBAREA UNlFORM � � �EVELOPMENT lS: COMMERCIAL r� = �*[(L�_- CHANGE)]**.2 IA'_ SL�BAREA FLOW-LE�4GTH = 830.00 c��S��EAM ELEVATIDN = 1296.WN | ��WWSTREAM ELEVATION = 1281.30 ' | �[EVATIDN D`FFE3ENCiE = 14.70 � 830.QAN**3)/( 14.70)]**.2 = 9.91:00 25.00 YEAR RAINFALL INTENSITY(INCH/H8UR) = 3.378 � SOIL CLASSIFICATION IS "A" ��ERC%AL DEVELOP'MEwT RUNOFF COEFFICIENT = .8314 SUBAREA RUNUFF(CFS) = 20.78 � `OTAL AREA(ACRES) = 7.40 TOT*L RUNOFF(CFS) = 20.78 � | PROCESS FROM NODE 15.iN - ­ODE 4 5.10 IS COUE 1 � ------------------------------------------------------------- � >>>>} ESl3"NATZ I EPE�DE�T STwEo� F�R CO�FL�EKCE(((<< � � >}>> CO'APUTE VAR lOUS COWf__L"Ei 6f Rri-i AN W4i L i a"S<({(<' VALUES U- FOR S R� 2 A,�E: � TJ�E J� CONCENTRA = 9.S9 IN ENSITY (tiNCH./'-IOUR) = 3.66 STREAM AREA (ACRES) = 7.40 STREAM RUNOFF A� CO���L����E = ��.78 | �D�FLUEHCE INFORMATION: _ ST�E�M ��N0FF TI�� 7���4SI'Y - ----------------------- J. 33. 737 �j - - 2 2-:0. e's - - - - - - - - - - 0 2. 1 � I Ty . -.i- AND I XE DF CONCEN TR AI TON =T! 7 Q:RML2LA(Sf3(:-*') 'jSED FOR tR 3 49.62 1 lo9. 2 9 COMPUTED CONFLUENLE EK A - Fun-Lfjwa: RUNOFF(CFS) = 149.E2 ll lm E I Nij S 11 LIZ53 7;,3 AREA (ACRES) = G 3 . 3 G LCW PROCESS FROM NODE 15. 1 0 0 ; 62. k '-S colx-z ^ 3 -.- ------------------------------- -------------------------------------------- 0>)) COMPUTE PIPEFLOW TRAVILT115 THRU SUSAREA((<<< ) ) • ) USING COMPUTE ESTI PIPESIZE OINGN-•RESSURE FLOW) < < < < O FLOW IN 48.0 INCH PIPE IS 34.8 l."* 77DEFLOW VELOCI7Y(FGET/SEC.) = 13.3 LTR7;EAT = VnW NODE = 42�TVATED PIPE DIAMETEKINCq) = 48.wZ NGVB=R OF PXES .WE=L% 74% SjBqREA(c;:: ^ ".v'). 81V: 73 13 W�Qw PROCESS FROM ))))>DES!GNATE INDEPENDENT 7 7ONFLUENCE VALUES USED FUR i7- CONCE ire T,�JV4 E 0 J. 7 .L3 6 001:01. 0GENSITY CKCA. /WOUK A. •7 777% S7'iE ARHEA = Es. 36 -07p� TqEp, RuNjFF(CF9) Ar CQ01.00L.2 - la.h.a.2 %ow PROCESS FROM Nnbo 7 i 1. 0 0 10 *-%� "3 1D ------------------------------------------------------------- >>)>>RATIONAL METHOD KITIRL SUOAREA AN~ iLYSIS(((<( riSGUMED 1NITIHL SJUBAREA DEVELOPMENT IS: COMMERCIAL K*1'-(LENGTH*it3)/(2LEVATI(i. ,NITIAL SUE(AREA FLOW-LENGTH 1000.00 ,..!- M lEA ELEVATION 290. OZ: DOWNSTREAM ELEVATION = 1271.43 -- LEVATION DIFFERENCE = i8.59 , C .303*1( 1 0o0.00**3)/( 25.00 YEAR RAINFRLL .i;• TENS! T*'F( 7 1 1 - -il - CLASSIFTCA I �N S YMERrILAL DiEVELOP .-4T R'UNO( Nismap Rumumms) 4. TCTAL AREA (ACRES) = 1.10 7Q7j, AuNcomops) 4.03 • DROGESS FROM ADE 68.40 03 ------------------------------- ---------------------------------------- n,01ES73NATE 1NDEPENOENT i:C;-1 CQxQuYE VAHIOUS C6NWL0&%lEb S AM VALLOSWAl 205n&EACS VALLES USED FOR INDEDINDENT SWAM L ME: -3. azj 707W WREPA "lr 0.3 STREW 7 iv,.E y ------------------------------------ 7 ------------------------------- 7 149.62 15.78 ti=. SEE, 7 2 4. 213 10.66 3. 249 4 AINFALL !NTENSITY AND TIME UF CONDENTRATION RATIO ORMULq(SBC) 'USED FOR 2 SiR Am.S. AR I - LOUS CCNFLUENCED RUNrjFP VALUES Am: f-;.S 52. S 1 05. 11 �'-CYYPUTEID C.'INFLUE'1` ESTIMATES ARIZ PS Ft.Ji-LOWS.. -.jNcfF:F(CFS) 152. 82 TIME (MINUTES) 15.781 I 7f-lTfPL = as: cas SiS .�G9Si:2' �CiffiSSii'- 7kC[ �R1�{ SC9DffiCS332SSS3ti�RYi `9�t =iffiS�{C�S9G?.SS.: 2S acazx= azaaac RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY t$�) 1983 HYDROLOGY MANUAL x= a��saasszsa= i' aiC9{'. �4idtast= asa= a= s aasgeax =a c ases ram =aasac = (C) Copyright 1982.Advanced Engineering Software SAES] Especially prepared fort HALL & FOREMAN, INC. * * * * * * * ** *DESCRIPTION OF * FOOTHILL DRAIN- HYDROLOSY,LATERAL C (INDUSTRIAL AREA) *Q25 * * AHMED SHEI.KH,J.N.3366,_3 /11/87 ********************** atatatat* ataP********* *at * * * * * * *ataFatat *at* * * *at* * ** *+tat * * * * * * * * * * i ----------------------------- ----------------------------------------- -- - - -- USER SPECIFIED,HYDROLOGY AND HYDRAULIC MODEL INFdRMATIONs - - -- - — r....- ----- ......---------------- .._ --------------- - - - - -- , USER SPECIFIED : STORE( EVENT (YEAR) = 25.00 SPECIFIED MINIMUM -PIPE SIZE(INCH) = 18.00 SPECIFIED PERCEAiT OF GRADIENTS(DECIMAL) TO USE-,FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60 -MNUTE INTENSITY(INCH /HOUR) .980 100 -YEAR STORM 60 - MINUTE INTENSITY(INCH /HOUR) _ 1.470 COMPUTED RAINFALL INTENSITY DATAi STORM EVENT ffi - 25.00 1-4bUR INTENSITY(INCH /HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED <<<<(< t(< tt t(<<<<<<t< t<< t(( { < <( <((< { <( > > > > } >) >) > } }} } > }) } }> » >) >) >) >) >) > > > } > >. Advanced Engineering So €tware EAES7 SERIAL'No. A0580A REV. 3.1 RELEASE DATEt 5/01/85 - Ft:OW. °,`iiRttC:ESS FROM NODE 8;45.{00 10 NUDE 33. IS CODE 2 ..+...-------------- - - - -"' .. .:......— ..��.— ,.....- --- .. —... -- )) >) >fRATIQNAL."METHOD INITIAL SUBAREA ANALYSi�t.t:(.t( sa =so =ease ass: s�es�+ ir: e�:. ��• �trsoeaaffi�rs== ys®== awesmssrsars n.== asss = s a = = = : =ms = = =asnr :asa,sis = ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMA RC I AL TC = K *C (LENt'3TH#*3) / (ELEVATION CHANGE) Sat *. 2 i INITIAL .SUBAR FLOW- LENGTH = 780.0+D P UPSTREAM ELEVATION'a 1323.00 DOWNSTREAM ELEVATION = 1304.00 ELEVATION DIFFERENCE = 19.00 19. 00) 1 9. 143 it 780. 00* *3) / ( 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.562 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8323 SUBAREA RUNOFF(CFS) = 18.38 TOTAL AREA(ACRES) = 6.20 TOTAL RUNOFF(CFS) = 18.38 FLOW PROCESS FROM NODE 33.00 10 NODE 40.10 IS CODE = 3 ----------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREAM(( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.1 UPSTREAM NODE ELEVATION = 1304.00 DOWNSTREAM NODE ELEVATION = 1303.00 F-IOWLENGTH(FEET) = 320.00 MANNINGS N = .013 ESTIMATED PIPE'DIAMETER(INCH) = 30.00 NUMBER OF PIPES PIPEFLOW THRU SUBAREA(CFS) = 18.38 TRAVEL TIME(MIN.) = 1.05 TC(MIN.) = 10.19 FLOW PROCESS FROM NODE 834.00 TO NODE 40.10 IS CODE -------------------- 1-i ------------------------------------------------------- )>)))ADDITION UP SUBAREA TO MAINLINE PEAK FLOW<(((( 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.337 SOIL CLASSIFICATION IS "Al COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8312 SUBAREA AREA(ACRES) = 4.10 SUBAREA RUNOFF(CFS) - 11.37 TOTAL AREA(ACRES) 10.30 TOTAL RUNOFF(CFS) 29.75 TO(MIN) = 10-19 FLOW PROCESS FROM NODE 40.10 TO NODE 39.wla 15 CODE ---------------------------------------------------------------------------- )>)))COMPUTE PIPEFLOW TRAVELTIME *rHRU SUBAREA((((( )>)))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 33.0 INCH PIPE IS 25.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.0 UPSTREAM NODE ELEVATION = 1303-00 DOWNSTREAM NODE ELEVATION = 1301.00 F! - OWLENGTH(FEET) = 550.00 MANNINGS N = .013 1 ESTIMATED PIPE DIAMETER(INCH) = 33-00 NUMBER OF PIPES PIPEFLOW THRU SUBAREA(CFS) = 29.75 TRAVEL TIME(MIN.) = 1.54 TC(MIN.) = 11.73 FLOW PROCESS FROM NODE 833.00 - 10 NODE 39.00 IS CODE --------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<((<< 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.067 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8295 SUBAREA AREA(ACRES) = 4.70 SUBAREA RUNOFF(CFS) = 11.96 TOTAL AREA(ACRES) = 15.00 TOTAL RUNOFF(CFS) = 41.71 TC(MIN) = 11.73 F_Gw PROCESS FROM NODE 834.10 ''O NODE "%w@ IS CODE = a ---------------------------------------------------------------------------- )>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<(<(< 25.00 YEAR RAINFALL zNTEwSlTY(lwCH/HOUR) = 3.067 SOIL CLASSIFICATION IS "A" '- COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8295 SUBAREA AREA(ACRES) = .80 SUBAREA RUNOFF(CFS) = 2.04 TOTAL AREA(ACRES) = 15.80 TOT*L RUNOFF(CFS) = 43.75 TC(MIN) = 11.73 � FLOW PROCESS FROM NODE 39.me lO NODE 39.00 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT 8T4EAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STHE*M 1 ARE: TIME OF CONCENTRATION(MINUTES) = 11.73 RAINFALL INTENSITY (INCH./HOUR) = 3.07 TOTAL STREAM AREA (ACRES) = 15.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENLE = 43.75 FLOW PROCESS FROM NODE 836.m0 10 NODE 34.00 IS CODE_=___2______�_____ ----------- ­7 ---------------------------------------- - }>}>)RATIDNAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHAMGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 630.00 UPSTREAM ELEVATION = 1319.00 DOWNSTREAM ELEVATION = 1304.0o Oil ELEVATION DIFFERENCE = 15.00 TC = .303*[( 830.00**3)/( 15.00)]**.2 = 8.433 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.739 ~ SOIL CLASSIFICATION 1S "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8332 SUBAREA RUNOFF(CFS) = 14.02 TOTAL AREA(ACRES) = 4.50 TOTAL RUNOFF(CFS) = 14.02 **************************************************************************** FLOW PROCESS FROM NODE 34.00 lO NODE 39.00 lS CODE = 3 ---------------------------------------------------------------------------- ))>,>oOwPuTE PIPEFLow TRAVELTInE THeU SUBAREA((((( >>>)>USING COMPUTER-ESTIMATED PIPESI3E (NON-PRESSURE FLOW)<<<(( DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.1 INCHES PlPEFLOW VELOCITY(FEET/SEC.) = 7.1 UPSTREAM NODE ELEVATION = 1304.00 DOWNSTREAM NODE ELEVATION = 1301.00 FLOWLENGTH(FEET) = 320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = t PlPEFLOW THRU SUBAREA(CFS) = 14.02 TRAVEL TIME(MIN.) = .75 TC(MIN.) = 9.19 ************************************************ ********* FLOW PROCESS FROM NODE 39.m0 10 NODE 19.m0 IS CODE = 1 ! __________-_--__--_--------------------------------------------------------- )))))DESIGNATE INDEPENDENT oTREAM FOR CONFLUENCE((((( )>>>>AND COMPUTE VARIOUS CONFLUEwCED SrREAM VALUES((((( CONFLUENCE VuLUEg USED FOR INDEPENDENT STREAM 2 ARE: TIIYE OF CONCENTRATION(MINUTES) = 9.19 RAINFALL INTENSITY (INCH./HOUR) = 3.55 TOTAL STREAM AREA (ACRES) = 4.bN ql l TOTAL STREAM RUmDFF(CFS) AT CONFLUENCE = 14.02 CJwFLUENCE INFORMATION: STREAM RL;NOFF TIME INTENSITY mJM8ER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 43.75 11.73 3.067 2 14.02 9.19 3.552 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLVENCED RUNOFF VALUES ARE AS FOLLOWS: 55.86 48.28 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = ' 55.86 TIME(MINUTES) = 11.730 TOTAL AREA(ACRES) = 20.30 **************************************************************************** FLOW PROCESS FROM NODE 39.00 TO NODE 38.00 IS CODE = 3 ---------------- j ------------------------------------------------------------ 0))>COMPUTE PIPEFbOW TRAVB-TImE THRU SUBAREA((((( )))>)USIN8 COMPUTER-ESTIMATED PlPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.0 INCHES PIPEFLOW VELOC%TY(FEET/SEC.) = 7.6 UPSTREAM NODE ELEVATION = 1301.00 DOWNSTREAM NODE ELEVATION = 1239.00 FLOWLEmGTHtFEET) = 450.00 MANMlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 ' PIPEFLOW THRU SU8AREA(CFS) = 55.86 TRAVEL TIME(MIN.) = .98 TC(MIN.) = 12.71 FLOW PROCESS FROM NODE 837.00 TO NODE 38.m0 19 CODE = 8 ---------------------------------------------------------------------------- )>>>}ADDITION OF SUBAREA lO MAINLINE PEAK FLOW((((( ============================================================================ 25.00 YEAR RAINFALL lNTENSITY(INCH/HOU@) = 2.923 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8285 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUmOFF(CFS) = 18.16 TOTAL AREA(ACRES) = 27.80 TDT*L RUNOFF(CFS) = 74.02 TC(MIN) = 12.71 **** FLOW PROCESS FROM NODE 38.100 TO NODE 12.00 IS CODE = � _____-_________--__-_-_____-__-_____________---____-______ ______- )))))COMPUTE PlPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 45.0 INCH PIPE IS 35.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.0 UPSTREAM NODE ELEVATION = 1299.00 DOWNSTREAM NODE ELEVATION = 1296.00 FLOWLENGTH(FEET) = 700.00 MANNlNGS N = .013 | ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PlPEFLON THRU SUBAREA(CFS) = 74.02 TRAVEL TIME(MIN.) = 1.47 TC(MIN.) = 14.18 FLOW PROCESS FROM NODE i2.ie 0 NODE 12.wO IS COLE = 1 • - >)))) DESIGNATE INDEPENDENT - STREAM FOR - CONFLUENCE (((( < --------------- - - - - -- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: `IME OF CONCENTRATION(MINUTES) = 14.18 RAINFALL INTENSITY (INCH. /HOUR) = 2.74 TOTAL STREAM AREA (ACRES) = 27.80 TOTAL STREAM RUNOFF(CFS) AT CONF}_UEN(:E = 74.02 =LOW PROCESS FROM NODE 838.10 '!0 NODE i2. v: IS COLE = 2 )) >))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED•INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW- LENGTH = 950.0ki UPSTREAM ELEVATION = 1 DOWNSTREAM ELEVATION = 1296.00 ELEVATION DIFFERENCE = 3.00 TC = . 303* C ( 950. ;00 * *3) / ( 3.00) 3 * *. 2 = 14.887 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.659 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8263 SUBAREA RUNOFF(CFS) = 7.54 TOTAL AREA(ACRES) = 3.43 TOTAL RUNOFF(CFS) = 7.54 FLOW PROCESS FROM NODE 12.00 10 NODE 12.00 IS CODE = 1 • ----------------------------------------------------------------------------- )))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.89 RAINFALL INTENSITY (INCH. /HOUR) = 2.66 TOTAL STREAM AREA (ACRES) = 3.43 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.54 FLOW PROCESS FROM NODE 700.00 10 NODE 12.10 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( - ss==.. ss==-- s==== a�aexo= s= s== m= ax= a=== wo== asaxa= aa�s8aasxxax= =a =a== xaxca =s ==x ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)3 * *.2 INITIAL SUBAREA FLOW - LENGTH = 760.00 UPSTREAM ELEVATION = 1305.00 DOWNSTREAM ELEVATION = 1303.00 ELEVATION DIFFERENCE = 2.00 TC = . 303* C ( 760.0(a* *3) / ( 2.00) 3 * *. 2 = 14.121 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.744 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8271 SUBAREA RUNOFF(CFS) = 13.07 TOTAL AREA(ACRES) = 5.76 TOTAL RUNOFF(CFS) 13.07 • FLOW PROCESS FROM NODE 12.1Z lQ NODE 12.10 IS CODE = 6 ____________________________________________________________________________ /}>>>COMPUIE STREETFLOW TRAVELTIwE THHU SUBAREA(({(( UPSTREAM ELEVATION = 1303.00 DOWNSTREAM ELEVATION = 1296.50 STREET LENGTH(FEET) = 620.04 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEEr) = 38.00 STREET CROgSFALL(DECJMAL) = .0279 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTImE COMPUTED USING MEAN FLOW(CFS) = 14.43 STREET FLOWDEPTH(FEET) = .60 HALFSTREET FLOODWIQTH(FEET) = 16.34 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.70 PRODUCT OF DEPTH&VELOCITY = 2.21 STREETFLOW TRAVELTIME(MIN) = 2.79 TC(mIN) = 16.91 25.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 2.463 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFlClENT = .8245 SUBAREA AREA(ACRES) = 1.33 SUBAREA RdNOFF(CFS) = 2.70 SUMMED AREA(ACRES) = 7.09 TOTAL RUNOFF(CFS) = 15.77 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .61 HALFSTREET FLDODWIDTH(FEET) = z6.91 FLOW VELOCITY(FEET/SEC.) = 3.79 DEPTH*VELOCITY = 2.33 FLOW PROCESS FRbM NODE 700.10 TO NODE 12.00 IS CODE = 8 ____________________________________________________________________________ }>>}>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ============================================================================ 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.463 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8245 SUBAREA AREA(ACRES) = 8.21 SUBAREA RUNOFF(CFS) = 16.67 TOTAL AREA(ACRES) = 15.30 TOTAL qUNOFF(CFS) = 32.44 TC(MIm) = 16.91 ******************************************************** ********* - - 7 LOW PROCESS FROM NODE 12.00 10 NODE !2.wZ IS COUE )))))DESIGNATE INDEPENDEMT STOEAM FOR CONFLUENCE((((( )>>>>AND COMPUTE VARIOUS CONFLUENCED S[REAm VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT Sj%AM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 16.91 RAINFALL INTENSITY (INCH./HOUR) = 2.46 TOTAL oTnEqm AREA (ACRES) = 13'30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 32.44 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ------------------^--------------------------------------------------------- 1 74.02 14.18 2.737 2 7.54 14.89 2.659 3 32.44 16.91 2.463 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FUL'-OWS: 108.39 107.98 106.01 / COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 108.39 TIME(MINUTES) = 14.179 TOTAL AREA(ACRES) = 46.53 F-bA PROCESS FROM NODE 12.00 �O wOuE 15.w8 zS CODE = 3 ---------------------------------------------------------------------------- `>)>>COmpUTE PIPEFQOw TRAwELTImE /HRU SUBAREA(<<<< ���1 `>>�>�SImG COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<(<< ,�~ DEPT* OF FLOW IN 39.0 INCH PIPE zu 29.9 INCHES pIPEFLDw VELOCITY(FEET,SEC.) = 15.9 UPSTREAM NODE ELEVATION = 1296.00 DOWNSTREAM NODE ELEVATION = 1288.00 F"OWLENGTH<FEET> = 385.00 MAmwINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = I PIPEFLOW THRU SUBAREA(CFS) = 1N8.39 TRAVEL TIME(MIN.) = .40 TC(mlN.) = 14.58 ******************************************* ******************** FLOW PROCESS FRUM NODE 15.00 �O NODE 15.00 IS CODE }>>)}DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<<( CJNFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.58 RAINFALL INTENSITY (INCH./HOUR) = 2.69 TOTAL STREAM AREA'AACRES> = 46.53 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 108.39 **************************************************************************** F-OW PROCESS FROM NODE 838.i0 TO NODE 15.mN IS CODE = 2 ____________________________________________________________________________ )))))RATIONAL METHOD INITIAL SUBAREA ANALYSlS(<((< ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*C(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 300.00 UPSTREAM ELEVATION = 1296.00 DOWNSTREAM ELEVATION = 1288.00 ELEVATION DIFFERENCE = 8.00 TC = .303*E( 300.00**3)/( 8.00)3**.2 = 6.127 25.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 4.529 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8361 SUBAREA RUNUFF(CFS) = 1.51 TOTAL AREA(ACRES) = .40 TOTAL RUNOFF/CFS> = 1.51 FLOW PROCESS FROM NODE 15.wt 10 NODE 15.vi(b IS CODE )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STRaAM 2 ARE: TIME OF CONCENTRATION(MINUTES) 6.13 RAINFALL INTENSITY (INCH./HOUR) 4.53 TOTAL STREAM AREA (ACRES) = .40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 1.51 CONFLUENCE INFORMATION: / STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (IN,'�H/HOUR)____________________________________ ��������������������������������������� L 1.51 6.13 4.529 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FO0*ULA(SBC) USED FOR 2 SrREAwS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 109.29 47.05 -~ COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RumOFF(CFS) = 109.29 TIME(MINUTES) = 14.583 TOTAL AREA(ACHES) = 46.93 FLOW PROCESS FROM NODE 15.m0 lO NODE 15.10 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTlnE THHU SUBAREA((((( >>)}>USING COMPUTER-ESTIMATED PlPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 42.0 INCH PIPE IS 23.4 INCHES PIPEFLOW VELOCITY<FEET/SEC.> = 15.2 UPSTREAM NODE ELEVATION = 1288.00 DOWNSTREAM NODE ELEVATIDN = 1280.00 FLOWLENGTH(FEET) = 450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = +2.00 *UMBER OF PIPES = 1 PIPEFLOW, THRU SU8AREA(CFS) = 109.29 TRAVEL TIME(MIw.) = .49 TC(MIN.> = 15.N8 ********** ******* FLOW PROCESS FROM NODE Q.Q 10 NODE 15.10 19 CODE I >>>)>DBSIONATE INDEPENDENT STREAM FOR CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.08 RAINFALL INTENSITY (INCH./HOUR) = 2.64 TOTAL STREAM AREA (ACRES) = 46.93 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 109.29 **************************************************************************** FLOW PROCESS FROM NODE 947.w0 /O NODE 15.10 IS CODE = 2 ---------------------------------------------------------------------------- >}>>}RATIONAL METHOD INlTI*L SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = M*C(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 830.016 JPSTREAM ELEVATION = 1296.00 DOWNSTREAM ELEVATION = 1281.30 ELEVATION DIFFERENLE = 14.70 TC = .303*[( 830.00**3)/( 14.70)]**.2 = 9.990 25.00 YEAR RAINFALL %NTENSITY(INCH/HOUR) = 3.378 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8314 SUBAREA RUNUFF(CFB) = 20.78 TOTAL AREA(ACRES) = 7.40 TOTAL RUNOFF(CFS) = &0.78 **************************************************************************** FLOW PROCESS FROM NODE 15.10 TO NODE 15.0 IS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( =========================================== CONFLUENCE VALUES USED FOR INDEPENDENT STKAM 2 ARE: '^'-:. �uwLu*/sO/I GM^.+u'00/ � y,y, RAINFALL InTENSI7Y (INCH./HOUR) = 3.18 TOTAL STREAM AREA (ACRES) = 7.+0 TOTAL STREAM RU%OFF(CFS) AT CONFLUENGE = 10.78 ' FLOW PROCESS FROM NODE 819'00 )O NODE +2.w0 IS CODE = � ____________________________________________________________________________ >>}>>RATIO%AL METHOD INITIHL SUBAHLA A*ALvSIS(<<(< ============================================================================ ASSUMED INITIAL SuBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATlDN CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 1000~00 UPSTREAM ELEVATION = 1304.00 DOWNSTREAM ELEVATION = 1302.00 ELEVATION DIFFERENCE = 2.00 TC = .303*[( 1000.00**3)/( 2.00)]**.2 = 16.649 25.00 YEAR RAINFALL lNTENSITY(INCH/HDUR) = 2.486 SOIL CLASSIFICATION 1S "A" COMMERCIAL DEVELOPMENT RJNOFF COEFFICIENT = .8247 SUBAREA RUNOFF(CFS) = 20.5� TOTAL AREA(ACRES) = 10.00 - OTHL RUNOFF(CF8) = i0.50 FLOW PROCESS FROM NODE 838.00 10 NODE +2.00 I9 CODE = 8 ____________________________________________________________________________ )>>))ADDITION OF SUBAREA TO MAINLINE PERK FLOW((((( ====== === 25.00 YEAR RAINFALL lNTENSITY(lNCH/HOUR) = 2.486 SOIL CLASSIFICATION IS "A^ COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8247 SUBAREA AREA(ACRES) = 4.03 SUBAREA RUNOFF(CFS) = 8.26 TOTAL AREA(ACRES) = 14.03 TOT*L RU%OFF(CFS) = 28.77 TC(MIN) = 16.65 FLOW PROCESS FROM NODE 42.vlib - 10 NODE 15.�O IS CODE 3 )))))COMPUTE PIPEFLDW TRAVELTInE THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSJRE Fd]w)<<(<( ============================================================================ DEPTH OF FLOW IN 27.0 INCH PIPE 19 17.3 INCHES PIPEFLOW VELOClTY(F£ET/GEC.) = z0.7 UPSTREAM NODE ELEVATION = 1292.00 oouwoTnEnw mooE ELEVATION = 1260.*0 FLOWLENGTH(FEET) = 720.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 oIPEFLOW THRU SUBAREA(CFS) = 28.77 TRAVEL TIME(MIN.) = 1.12 lC(MlN.) = 17.77 ********************e************************************* *** FLOW PROCESS FROM NODE 15.10 TO NODE 15.0 IS CODE = 1 __-__-____-___________-__--___-__________________-____-___ ---------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>)>>AND COMPUTE VARIOUS 'nm S[REAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 17.77 RAINFALL INTENSITY (INCH./HOUR) = 2.39 TOTAL STREAM AREA (ACRES) = 14.03 TOTAL STREAM RUNOFF(CFS) AF CONFLUENCE = 28.77 • • C if] NFiL.UE-NCE INF0RMAT10N: :STREAM RUNOFF TIME INTENSITY N'LiABER (CFS) (MIN. ) ( INCH /HOUR) 1 109. 29 15.08 2. 639 2 20.78 9.9':3 3.378 3 28.77 17.77 2.391 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 149.93 109.37 142.51 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 149.93 TIME(MINUTES) = 15.076 TOTAL AREA(ACRES) = 68.36 FLOW PROCESS FROM NODE 15.1V1 10 NODE b2. 1S CODE = 3 ) ))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) >) >)USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.8 INCHES PIPEFLOW VELOCPTY(FEET /SEC.) = 15.3 UPSTREAM NODE ELEVATION = 1280.00 DOWNSTREAM NOUE'ELEVATIUN = 1270.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 149.93 TRAVEL TIME(MIN.) _ .73 TC(MIN.) = 15.80 FLOW PROCESS FROM NODE 62.00 10 NODE. 62.160 iS CODE i )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.60 RAINFALL INTENSITY (INCH. /HOUR) = 2.57 TOTAL STREAM AREA (ACRES) = 68.36 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 149.93 FLOW PROCESS FROM NODE 711. V�0 TO NODr 62. ko0 1S CODE = 2 ----------------------------------------------------------------------------- > >) ))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( x- xoovcxxxxxxacaaxssaaasaasxxxsxxxxsxaao- xxxx -x xssxxxsx =xaaxxxxxx ssns.x:.c =c ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *..: INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1290.02 DOWNSTREAM ELEVATION = 1271.43 ELEVATION DIFFERENCE = 18.59 TC = .303*[( 1000.00 * *3) / ( 18.59) 1 * *. 2 = 10.659 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.249 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COE.F=FICIENT = .8306 SUBAREA RUNOFF(CFS) = 4.05 TOTAL AREA (ACRES) = 1. `,0 ? UTAL RUNOFF(CFS) = 4.05 • ^"°i�* ik-^**�,�"��+�°**��*�**�,***��°�� ngO��6S FRU� mOUE 62.�� � r�]b� b2.wD �S CODE = 1 ---------------------------------------------------------------------------- >>>/>DESI6NATE INDEPENDENT STREAM FUR. CONFLUENCE((((( >>)>>AmD COMPUTE VARIOUS CONFLUENCED S[REAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDE-NT STgmA� 2 ARE: -- TIME OF CONCENTRATION(MINUTES) = 10.66 RAINFALL INTENSITY (INCH./HOUR/ = 3.25 TOTAL STREAM AREA (ACRES) = 1.50 TOTAL STREAM RUNOFF(CFS) AT CONFL|jENCE = 4.05 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENbITY NUMBER (CFS) (MlN.) (INCH/f0UR) -_-____-_____--______-____-___-__-__-___--__--_________--_-- ---------------- 1 149.93 15.80 2.565 2 4.05 10.66 3.249 RAINFALL INTENSITY AND TIME UF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS F0-LOWS: 153.13 105.17 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 153.13 TIME(MINUTES) = 15.8164 TOTAL AREA<ACREED = 69.86 END OF RATIONAL'METHOD ANALYSIS 0 LATERAL C ` 100 • (C) Cooyrzqht 1982 Acvanced Enni:eeri,.g Bo0nore KES Esoecially orenared for: **********DESCRIPTION OF RESULTS******************************************** * INDUSTRIAL AREA HYDROLOGY LATERAL C TO LINE L * * Q 000 * * VENKI.N, J.N 3551, 4/21/67 * _________________________________________________________ ��SER SPECIFIED HYDROLOGY AND HYDRAULlC MODEL lNFORMATIOm: _________________________________________________________ USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00- SPECIFIED PERCENT OF GRADIENTS(DECIMAL) 70 jbE FOR FRICTION SLOPE = .95 0-YEAR STORM 60-MINUTE IWTENSITY(INCH/HOUR) = .560 100-YEAR STORM 60-MINUTE INTENSITY 4?� COMPUTED RAIxFALL INTENSITY DATA: STORM EVENT = 100.00 1-HOUR INTENSITY(INCH/hOLjR) = �.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C"-VALUES USED <<<<<<<(<<<<<<<<<<<<<<<<<<<<<<<<<(<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Advanced Enqineerino Software 7AES SERIAL I'\:o. A1, REV. 3.1 9ELEAoE DATE: 5/W1/u5 v'-0W PROCESS FROM NODE 835.00 TO NUDH 33.00 13 CODE = 2 '--------------------------------------------------------------------------- 00>9ArICNAL METHOD KITIAL SUBAREA ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL -- L' = K*[(LENGTH**3)/(ELEVATION CH*AmGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 780.00 _�­STREAM ELEVATION = 1323.00 0OWNSTREAM ELEVATION = 1304. 00 'ELEVATION DIFFERENCE = 19.00 .'C = .303*[( 780.00**3)/( 19.00>]**.2 = 9.143 �00.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.545 ][L CLASSIFICATION IS "A" [CxMERCIAL DEVELOPMENT 8UNOF�: 62 lo5AREA RUNOFF(CFS) = 23.56 7 0TAL AREA(ACRES) = 6.20 TOTAL RUNOFF(CFS) = 23.58 **************************************************************************** �- +-OW PROCESS FROM NODE 33.00 TO NODE 3 ---------------------------------------------------------------------------- >)`>SCINPUTE PTPEFLOW TRAVELTITE T*RU SJBqREA<((<< COMPUTER-ESTIMATED TIPE5IIE (NON-PRESSURE FLOW)(<(<< ============================================================================ uF F�Gw 1 03.0 lxLH \ / �1�u-t% �1 E F 10 VELOCI�Y(FEET/SE C. = 5.4 OPSTREAM POUE ELEVATION = l304.00 DOWNSTREAM 'NODE ELEVATION = 1303. Owl �LOWL053TH(FEET) = 320.00 �ANNlN65 N = .013 ES7IMATED PIPE DIAMETER(INCH) = 33.00 NUMBER PlPEFLOW THRU SUBAREA(CPS) = 23.56 / 7RAVEL TIME(MIN.) (IM I;\;.) = 1N.13 +*************************************************************************** FLOW PROCESS FROM NODE 834.00 TO NODE 40.10 IS CUDE = 8 ____________________________________________________________________________ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<� ============================================================================ 100.00 YEAR RAINFALL INTENSITY(I$CH/HOUR) = 4.274 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8353 SU8AREA AREA(ACRES) = 4.10 SUBAREA RUNOFF(CFS) = 14.64 TOTAL AREA(ACRES) = 10.3N TOTAL RUNOFF(CFS) = 38.20 TC01IIN) = 10.13 0 11V PROCESS FROM ;03DE 40.10 lO NODE 39.00 AS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PlPEFLOW TRAVELTIME THRU SiTAREA<<<(< >/)>)USING COMPU7ER-EST INATED PTPESi0- ============================================================================ DEPT� OF F'-OW IN 36.0 INCH PIPE I3 28.7 INCSES pTpEFLOW VELOCITY(FEET/SEC.) = 6.3 UPSTREAM NODE ELEVA = 1303.00 DOWNSTREAM NODE ELEVATTGN = 1301.Qi0 F'-OWLEN8TH(FEET) = 550.00 MANNI�GS IN = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 INUM8ER OF PIPES = 1 PTPEFLOW THRU SUBAREA(CFS) = 38.20 TRAVEL TIME(MIN.) = l.45 TC (All A.) = 11.58 +*************************************************************************** ;LOW PROCESS FROM NODE 833.00 TO NODE 39.00 |S COUE = 8 ---------------------------------------------------------------------------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< z00.00 YEAR RAINFALL IwTENSI 50IL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF '�3UBAREA AREA(ACRES) = 4.70 TOTAL AREA(ACRES) = 15.00 `C(MIN) = 11.58 rY(IwCH/HOUq) = 3.945 COEFFICIENT = .8341 SUBAREA RUNOFF(CFS) = .5.46 TOTAL RUNOFF(CFS) = 53.67 **************************************************************************** -LOW PROCESS FROM NODE 834.10 TO NODE 39.00 _S CODE B ---------------------------------------------------------------------------- >>>>>ADDITION OF SUBAREA rO MAINLINE PEAK FLOW<<<<< ============================================================================ 100.00 YEAR RAINFALL INTENSITY([�CH/�gi�9) = J.�45 SOI� CLASSIFICATION IS "A" rOM'. DEVELOPMENT RUNOFF COEFFIC}ENT = .8341 SUBAREA AREA(ACRES) = .80 SUBAREA RUNOFF(CFS) = 2.63 - 'OTAL AREA(ACRES) = 15.80 TOTAL RUNOFF(CFS) = 56.3� - Q(m:N) = 11.58 FROM wUDEO 39.0N )O NODE L10 'S C.OUE ________________________________________________________ )))))DESIGNATE {NDEPENDEhT STREAM FOR CONFLUENCE<<<(< CONPLUFNCE VALUES USED FOR INDEPENDEuT STREAM 1 ARE: rT�E OF CONCENTRATION(MINUTES) = 11.58 RAINFALL INTENSITY 4 ' TOTAL STREAM A-REA (ACRES) = 15.8Q 7 0TAL STREAM RUNOFF(CFS) AT CONFLUENCE = 56.30 »*************************************************************************** FLOW PROCESS FROM NODE 836.00 TO NODE 34.00 IS CODE = 2 ____________________________________________________________________________ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 630.00 UPSTREAM ELEVATION = 1319.00 DOWNSTREAM ELEVATION = 1304.00 �LEVATION DIFFERENCE = 15.00 TC = .303*[( 630.00**3)/( 15.00)3**.2 = 8.433 100.Q@ YEAR RAINFALL = 4.771 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8368 SUBAREA RJNUFF(CFS) = 17.97 TOTAL AREA(ACRES) = 4.50 TOTAL RUwOFF(CFS) = 17.97 FLOW PROCESS FROM NODE 34.00 TO NODE 39.00 7S CODE = 3 _______________-_________-_________________________________________________- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTE R-EST!MATED PIPESIZE (mON-PRESGURE FLOW) <<<<< ============================================================================ 0Eo7� OF FLOW IN 24.0 INCH PIPE IS 16.9 INCHES � VELOCITY(FEET/SEC.) = 7.6 UPSTREAM NODE ELEVATION = 1304.00 DOWNSTREAM NODE ELEVATlON = 1301.00 FLOWLENGTH(FEET) = 320.00 MANNINGS N = .01.3 �STIMATED PIPE DIAMETER(INCH) = 24.W0 NUMBER OF PIPES = 1 PTPEFLOW THRU SUBAREA(CPS) = 17.97 TRAVEL TIME(MIN.) = .70 TC(MlN.) = 9.13 **************************************************************************** FLOW PROCESS FROM NODE 39.00 TO NODE 39.00 I8 CODE = 1 --------------------------------------------------- -------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CUNFLUENCED S[REAM VALUES(<<<< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AHE: T[ME OF CONCENTRATION(MINUTES) = 9.13 RAINFALL INTENSITY (INCH./HOUR) = 4.55 'OrAL 8TREpM AREA 'ACRES) = 4.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 17.97 �CONFLUENCE INFORMATION: STREAM RUNOFF TIME TENSITY __________________________________________________________________________ z 56.30 11.58 3.945 2 17.97 9.13 4.548 n.)/|v +wu E u� LuN[.LN U 1 *�-i TlU FORMIULA(SBC) USED FOR 2 SrR!-_:AMS. »A�IOUS CO%FLUENCED RUNOFF VALUES AaE AS FOLLOWS: 71.88 62.37 COMPUTED CO;\lFLUENCE ESTIMATES APE AS FOLLOWS: 'UN1OFF(CFS) = 71.88 TIME(MINUTES) = 11.579 AREA (ACRES) = 20.30 FLOW �ROCESS FROM NODE 39.00 TO NODE 38.00 lS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<(< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.1 UPSTREAM NODE ELEVATION = 1301.00 DOWNSTREAM NODE ELEVATION = 1299.00 FLOWLENGTH(FEET) = 450.00 MANNINGS N = .013 : PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 oI�EFLOW THRU SUBAREA(CFS) = 71.88 T�AVEL TIME(MIN.) = .93 TC(M{N. 2.51 **************************************************************************** FLOW PROCESS FROM NODE 837.00 TO NODE 38.00 IS CODE = 8 ---------------------------------------------------------------------------- >>>>}ADD ITION UF SUBAREA TO MAINLINE PEAK FLOW<<<<( ============================================================================ 1Q0.00 YEAR RAINFALL INTENSITY(T�C�/HOUR) = 3.766 6OIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFF[CIENT SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNuFF(CFS) = 23.54 TOTAL AREA(ACRES) = 27.80 TOT�4L R�NOFF(CFS) = 95.42 TC(MIN> = 12.51 **************************************************************************** FLOW PROCESS FROM NODE 38.010 TO NODE 12,00 1 CODE = 3 __________________________________________________________________________ >>>>>COMPUTE PTPEFLOW TRAVELTIME THRU SU8AREA(<<(< >>>>>USING COMPUTER-ESTT;YIATED PIPESIZE (NON-P�ESSURE FL OW) <<{<< ============================================================================ DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.3 INCHES oIPEFLOW VELOCITY(FEET/SEC.) = 8.6 UPSTREAM NODE ELEVATION = 1299.00 DOWNSTREAM NODE ELEVA�IUN = 1296.00 FLOWLENGTH(FEET) = 700.00 MANNIN8S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 95.42 T3AVEL TIME(MIN.) = 1.36 TC(M IN. ) = 13.87 **************************************************************************** �LO� PROCESS FROM NOD� 12.0N �� �ODE l2.W0 �S CODE = 1 _________________________________________________________________________ >)>>>DES IGNATE [NDEPENDENT STIREAM F0 R. CONFLUEMCE<<<<< ============================================================================ �ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: iIME OF CONCENTRATION(MINUTES) = 13.87 �AINFALL INTENSIrY (IyCH./HOUR) = 3.54 TOTAL STREAM AREA (ACRES) = 27.80 �OTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 95.42 FLOW oROCESS FROM NODE 838.10 TO NODE 12.0to IS CODE = 2 ____________________________________________________________________________ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<(<< ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL | 7C = K*[(LENGTH**3)/(ELEVATION CHANGE) ]**.2 lNITIAL SUBAREA FLOW-LENGTH = 950.00 UPSTREAM ELEVATION = 1299.00 DOWNSTREAM ELEVATION = 1296.00 ELEVATION DIFFERENCE = 3.00 TC = .303*[( 950.00**3>/( 3.00)1**.2 = 14.887 100.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 3.393 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8315 SUBAREA RUNOFF(CFS) = 9.68 TOTAL AREA(ACRES) = 3.43 TOTAL RUNOFF(CFS) = 9.68 **************************************************************************** FLOW PROCESS FROM NODE 12.00 TO NODE 12.00 {S CODE = 1 ________________________________________________________________________ )>>>>DESlGNATE INDEPENDENT STREAM FOR CONFLU NICE<(<<< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.89 RAINFALL INTENSITY (lNCH./HOUR) = 3.39 TOTAL STREAM AREA (ACRES) = 3.43 - �rAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.68 **************************************************************************** FLOW PROCESS FROM NODE 700.00 TO NODE 12.10 IS CODE = 2 ____________________________________________________________________________ >>>>>RATIOMAL METHOD INITIAL SUBAREA ANALYS!S<<((< ============================================================================ ASSUMED INITIAL SUBAREA UNIFORir.l DEVELOPMENT IS: COMMERCIAL rC = K*[(LENGTH**3)/(ELEVATION CHANGE) [NITIAL SUBAREA FLOW-LENGTH = 760.00 UPSTREAM ELEVATION = 1305.00 DOWNSTREAM ELEVATION = 1303.016 ZLEVATlON DIFFERENCE = 2.WN TC = '303*[( 760.00**3)/( 2.00)]**.2 = 14'121 100.60 YEAR RAINFALL INTEN8ITY(INCH/HOUR) = 3.502 SOIL CLASSIFICATION IS "A" .OMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8320 SUBAREA RUNOFF(CFS) = 16.78 - OTAL AREA(ACRES) = 5.76 TOTAL RUNOFF(CFS) = 16.78 **************************************************************************** � PROCESS FROM NODE 12.10 TO NODE 12.10 IS CODE = 6 ------------------------------------------------- _------------------------- STREETFLDW TRAVELT[M.E THRU SIJ8AREA<<�<< ============================================================================ UPSTREAM ELEVATION 1303.00 DOWNSTREAM ELEVATlUN 50 STREET LENGTH(FEET) = 620.Q0 CU�6 ��IGT�(I�C��S/ = 8. 379EET HALFWIDTH(FEET) = 38.00 STREET CROSSFALL .0279 5PECIPIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 - **TRAVELTIME COMPUTED USING NEAN pLUW(CFS) = 18.53 SYREET FLOWDEPTH(FEET) = .65 HALFSTREET FLOODWIDTH(FEET) = 1-5.03 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.93 PRODUCT OF 4 -- '--'' T (H 3N HIl3 WHt }O DdId C t.���S� CT0^ = N SSNIkNOW IlUA� 00^96 = NOI1d�1.373 EOONJ l^9z = (^3AS/l39E)AlI3O7 - 3 S�H3 I EP FE' 5I �dId H3�I 0^�� MI MO?� ============================================================================ >>>>>(�O�� O�l�NIlS -8 j. ndWOJ IS�<///{ !>>>>d 3 U8OS F 9W - 9 AdUl MOl-13dId Bl Fl, dPOJ<</<� 2 = RQOJ S 171 Lo T 300 WO6A SS33OQld ***************************************************************************^ Fr. = (S383b)d36d 699 *FT = (SBlONIW)3WIl 90 *GET = (SJ3)��ONnlL :SM01l0jl Sd 38U S31UWIl63 33N3O7=iNO3 O�l�d�C3 �0^9CT 6P-^8ZT 90~6CT :SMOl�O� S� �H� S�Ol�A ��ONO8 O�3N�Ol�NOJ GOOI8�� ^SWUB61S 2 60- O3Sn (38S) uiDW6�� 011tI8 NOIIUZ�lN33NO2 zlO 3Wll UNd AlISN31NI - IlRj.�N tj� �R^T � �FC^C 68~ 89^6 � L Ell ^FT - :!i7 'S;6 � ____________________________________________________________________________ (8DO+/�3wI) (^�IW) (S�J) 8�8��r �jT NI 31 11 -4 -40 NO� :NOI1�j W8O NI 3N�Ol�%O� F9 33 --4NOJ id (S.JO) -�AONO8 Wt38lS 0C~gT = (S383b) U36IJ WUE81S 9T^C = (8O0 H/^H3NI) AlISN"-n iNI - 1 H, --INl�� �I^9T = (S�lDNIW)NDIlJ8lN �O :3 4 C wtj lN�O��d�ONI 80-� O3SO S-:M - 3O���D� ==========================================================================~= >>>>>S n - i A WhZ S O O�--jNOJ SOO�8tA alOdWO3 Oh�<<<<< >>>>>33N�O J N" C; Z�l W��8lS 1N�ON�d�O�I �j UN8 C<<</< __________ --- _____________ --- ---- _____________________________________________---- l = 3003 SI NN I-Ii -4 O-L 00^3T 300N W06--A SS3308c **************************************************************************** 9,L * - f 4, - R-1�Ol �C^�T = (S363U)b38U ltL.O� 4 7S^T;R = (S�3)��ONO8 ��8d8O5 T�^8 = (S383t)U38U d38U8�b T0CR^ = lN3I3I�A'3O3 ��ONO8 lN3WdOl3A3D - 1UI3831 , Q�O3 "U" SI NOIlUJI-JISStjlJ �IOS T9T^C = (8OOH/H3NI)A1ISN3lNI 11ddINId8 8U3A 00~00T ============================================================================ >>>>>MOl.� �4d'9d 3NIINIUW Ol up8d8OS --40 NOIlIOOHJ<<<<� ____________________________________________________________________________ 8 = RDD3 S N0^F MIN Ol NT^00L BOON W08� SS3308d MO **************************************************************************** R9^8 = A1I3O 90^tr = (^3;S/ 1 1 3: � 6�^8� = (���)HlOIMOOOl� 1��81S���H 99~ = (1���)Hld�Q ���� :S3I�Ot A.H MO� LilS H, 3 z , O ON� Le? "107' = (S-jJ) 6N^ (SD63U)U38U 6 CC^T = (S=-83b)b36U U38U8'lt6 TelC8^ N3I3 30 3 --'-1 NF lN3Wd0l3A3O - I Ul38 1 O3 "d" SI NOT ltjJl.:2ISS�jlJ OS (8OOH./HJNI)A-LlSN3-: �ld -�NId8 Hd 3A 00 z 1 xT'`-1 q'� = (�lw) T��q���� L'w /,^�u SuuA��A(�FS> = z39.06 1 7 4 V:= MI�.> = .38 rC��!�.} = 1. 4+.25 ��-CW o�OCESS FRO� NODE 15.0N lO N! 5. 0 0. CODE = 1 ________________-______________________________________-______________ . >>�>>DESIG�ATE T�0EPE1 ST8EAM FUR C0 NFLU CE<<<(< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAl 1 ARE: TInE OF CONCENTRATION(MINUTES) = 14.25 RAINFALL INTENSITY (INCH. /HOUR) = 3.48 ;OTAL STREAM AREA (ACRES) = 46.53 TOTAL STREAM RUNOFF(CFS) AT CONFLUENLE = 139.016 **************************************************************************** FLOW PROCESS FROM NODE 838.20 TO NODE 15.00 IS CODE = 2 ____________________________________________________________________________ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL " = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 T�ITI�L SUBAREA FLOW-LENGTH = 300.00 STREAM ELEVATION = 1296.00 DOWNSTREAM ELEVATION = 1288.00 �LEVATION DIFFERENCE = 8.N0 'C = .303*[( 300.00**3>/( 8.0 0 >]**.2 = 6.127 !�N.Q0 YEAR RAINFALL INTENSITY(INC�/HOUR) = 5.773 SOIL CLASSIFICATION IS "A" C-MMERCIAL DEVELOPMENT RUNOFF COEFF�ClE�T SU3AREA RUNOFF(CFS) = 1.94 TOTAL AREA(ACRES) = .4N TOTAL RUNOFF(CFS) = 1.94 **************************************************************************** F-OW �ROCESS FROM NODE 15.N@ TO ODE ---------------------------------------------------------------------------- >>}>>DESIGNATE INDEPENDENT STREAM FUR CONFLUENCE<<<<< C��FLUENCE VALUES USED FOR INDEPENDENT STHEA� 2 ARE: TT OF CONCENTRATION(MINUTES) = 6.13 R.ATmFAL-L lNTENGITY (INCH./HOUR) = 5.78 TOTAL STREAM AREA (ACRES) = .40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1.94 **************************************************************************** F�OW PROCESS FROM NODE 839.00 TO NODE 42.00 I8 CODE = 2 ____________________________________________________________________________ >>>>}RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEV�LOPMENT IS: COMMERCIAL 7C = K*[(LENGTH**3)/(ELEVATI0N CHANGE)]**.2 L SUBAREA FLOW-LENGTH = 1000.00 �oSTREAM ELEVATION = 13N4.0 0 DOANSTREAM ELEVATION = 1302.00 �LEVATIO� DIFFERENCE = 2.W0 .303*[( 1000.00**3)/( 2.00)]**.2 = 16.649 z00.00 YEAR RAINFALL INTENSI'rY(INCH/HUUR) = 3.172 SOIL CLASSIFICATION IS "A" f�C DEVEL0 Ply' RUNOFF C ICE F Fl. CIEI "iT SUBAREA RUNOFF(CFS) = 26.34 TOTAL AREA(ACRES) = 10. 010 TOTAL RUNOFF(CFS) = 26.34 **************************************************************************** FLOW PROCESS FROM NODE 838.00 lO NODE 42.W0 IS CODE = 8 ____________________________-____________-______-_____-_____________-____ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< - 100.00 YEAR RAINFALL INTENSlTY(INCH/HO(JR) = 3.172 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8302 SUBAREA AREA(ACRES) = 4.03 SUBAREA RUNOFF(CFS) = 10.61 TOTAL AREA(ACRES) = 14.03 TOTAL RUNOFF(CFS) = 36.95 TC(MIN) = 16.65 **************************************************************************** FLOW PROCESS FROM NODE 42.00 TO NODE 15.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(<<<( >>>)>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.2 UPSTREAM NODE ELEVATION = 1292.00 DOWNSTREAM NODE ELEVATION = 1288.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 36.95 TRAVEL TIME(MIN.) = .72 '|C(MlN.) = 17.37 **************************************************************************** FLOW PROCESS FROM NODE 15.00 TO NODE 15.00 IS CODE = 1 ___________________-______-_-______-______________________________-_________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT S[REAM 3 A.-4E: TIME OF CONCENTRATION(MINUTES) = 17.37 RAINFALL INTENSITY (INCH./HOUR) = 3.09 �OTAL STREAM AREA (ACRES) = 14.03 - OTAL 97REAM RUNOFF(CFS) AT CONFLUENCE = 36.95 CONFLUENCE INFORMATION: BTPEAM RUNOFF TIME INTENSITY �UMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ 1 139.06 14.25 3.482 2 1.94 6.13 5.779 3 36.95 17.37 3.093 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(S8C) USED FOR 3 STREAMS. VARIOUS CONPLUENCED RUNOFF VALUES ARE AS FOLLOWS: 170.54 74.75 161.48 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: OUNOFF(CFS) = 170.54 TIME(MINUTES) = 14.252 TOTAL AREA(ACRES) = 60.96 **************************************************************************** FLOW PROCESS FROM NODE 15.00 lO NODE' 15.10 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<(<<( >}>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ :�p|� u+ im +8.01 11cH P/pi-- 16 jt7l.1 INU*Eb PTPEF1'OW VELOCITY(FEET/SEC.) = 16.8 UPSTREAM NODE ELEVATION = 1288.00 DOWNSTREAM MODE ELEVATION = 1280.00 �L�WLENGTH(FEET) = 450.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 48.00 PIPEFLOW rHRU SUBAREA(CFS) = 170'54 TRAVEL �IME(MIN.> = .45 TC(MlN.) N = .013 NUMBER OF PIPES = = 14.}0 1 **************************************************************************** FLOW PROCESS FROM NODE 15.10 TO NODE 15.10 lS CODE = 1 ____________________________________________________________________________ >>)>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCEVALUES USED FOR INDEPENDENT STREAM 1 ARE: �IME OF CONCENTRATION(MINUTES) = 14.70 RAINFALL INTENSITY (INCH./HOUR) = 3.42 TOTAL STREAM AREA (ACRES) = 60.96 T8TAL STREAM RUNOFF(CFS) AT CONFLUENCE = 170.54 +*************************************************************************** FiOW PROCESS FROM NODE 947.00 TO NODE 15.10 lS CODE = 2 ---------------------------------------------------------------------------- >>>}>RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<<(< ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL .0 = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 I�IT�AL SUBAREA FLOW-LENGTH = 830.00 L ELEVATION = 1296.00 DOWNSTREAM ELEVATION = 1281.30 ELEVA�ION DlFFERE�CE = 14.70 - ;C = .303*[( 830.00**3)/( 14.70)1**.2 = 9.91j0 .00 YEAR RAINFALL INTENSITY( INCH/HOUR) = 4.310 CLASSIFI CAT TON IS "A" RCIAL DEVELOPMENT RUNOFF COEFFTCIENT = .8354 I = 26.64 �O�AL AREA (ACRES) = 7.40 TOTAL RUNOFF�CFS) = �6.64 FLOW PROCESS FROM NODE 15.10 lO NODE l5. lS CODE = 1 ____________________________________________________________________________ '0>>}DESI8NATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>>PND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 9.99 �AINFALL INTENSITY (INCH./HOUR) = 4.31 TOTAL STREAM AREA (ACRES) = 7.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 26.64 - UNFLUENCE INFORMATION: �UKOFF TIME INTENSITY (1 N. (INCH/HOU9) _________________________________________________________________ � 17@.54 l4.70 3.419 2 26.64 9.99 4.310 �m~ �AT *FALL INTENSITY AND TIME UF CONCENTRATIUN, RATIO BC) USED FOR 2 3; Y�qI��3 CONFLUEMCED RUNOFF VALUES ARE AS FOLLO�S: 68 142.57 C'TT�/ � CONFLUENCE E'S TIMA ARE A8 FOLLO WS, : &/oLSK'cr0/ = iyl.b8 UTk!S/ T57AL AREA(ACRES) = 68.36 **************************************************************************** 0-OW PROCESS FROM NODE 15.10 TO NODE 62.00 13 CODE = 3 -------------------------______________-____________________________________ � 4>>>COMPUTE PlPEFLOW T9AVELTIME THKU SUBAREA<<(<< >>>>>USING COMPUTER-ESTIMATED PIPESTZE (NON-PRESSURE FLOW)<<<<< ============================================================================ CFPTH OF FLOW IN 51.0 INCH PIPE IS 39.8 I PIPEFLOW VELOCITY(FEET/SEC.) = 16.1 UPST9EAM NODE ELEVATION = 1280.00 ?OWNSTREAM NODE ELEVATION = 1270.00 �L"WLENGTH(FEET) = 670.00 MANNINGS N = .013 - : 7 S7IMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 7:lPEFLOW THRU SUBAREA(CFS) = 191.68 79AVEL TIME(MIN.) = .69 TC(MlN.) = 15.39 F�-OW PROCESS FROM NODE 62.00 lO NODE 'S CODE = 1 __________________________________________________________________________ >?>>>DESTGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<( ~=========================================================================== CONFLUENCE VALUES USED FOR I�DEPENDENT STHEAM 1 ARE: rTME OF CONCENTRAT TON (MlNUTES) = 15.39 INTENSITY (lNCK./kCUR) = 3.33 - /l�`AL STR�Aw AREA (ACRES) = 68.36 707A'- STREAM RUNOFF(CFS) AT CONFLUENCE **************************************************************** ***** q-OW PROCESS FROM NODE 711.00 TO NODE 62.w0 is CODE = 2 ____________________________________________________________________________ >}>j>RATIONAL METHOD INITIAL SUBAREA A*ALYSIS<<<(< ASSUMED I%I7IHL S�BAREA UNIFOR.4 DEVEL�PME�T IS: CO�MERCIAL -C = K*[(LENGTH**3)/(ELEVATIUN '.NITTAL SUBAREA F�-Ci,J = 1�NN.N� -PSTREAM ELEVATION = 129N. 2 DOWNSTREAM ELEVATION = 1271.43 SAVATION DIFFERENCE = i8.59 -C = ,303*[( 18.59)3**.2 = 10.659 100.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 4.14S C�ITL CLASSIFICATION I8 "A' COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8348 SUBAREA RUNOFF(CFS) = 5.19 �DTAL AREA(ACRES) = 1.50 TOTAL RUNOFF(CFS) = 5.19 ++************************************************************************** -'-OW PROCESS FROM NODE 62.00 lO i* b2.00 IS CODE = 1 >>>>>OFS{SNATE TNDEPENDEAT STREoM 1 CONFLUENCE<<<(< 4 0`>>AND COMPUTE ============================================================================ VALUES USED FOR !,DEPENDENT S 2 AW. 7:g:NFAiL INTENSITY 4'15 70 qrPEOM AREA (AC�ES) 0 ��!�-iFLBEINCE I ORMATION: ��/�OFF TIME ��TE�SITY '-------------------------------------------------------------------------- � 191.68 15.39 3.326 2 �5. 9 1.0 .66 4.145 AAIx"qLL IN7ENSITY AND TIME uF HAT�O Sr9�A!"71S. ~� lOt J C.0uFL��*C�D RU�OFF VALU�S A'E AS FOLL3WS: ^95.84 137.9G COMPUTED CONFLUENCE ESTI�OATES ANE i';S FOLLOWS: Rd^v]FF(CFS) = 195.84 5. 39 0, TOTAL AREA(ACRES) = 69.66 ============================================================================ END OF RATIONAL METHOD ANALYSIS EO RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERmARDImO COUNTY (SBC) 1983 HYDROLOGY MANUAL (<((((<(<<<<<< >>>>}>>}>>>>>}>>>>>>}>>>>>} (C) Copyright 1982 Advanced Engineering Software [AES] Especially prepared for: HALL & FOREMAN, INC. **********DESCRIPTION OF * FOOTHILL DRAlN'HYDROLOGY (INDUSTRIAL AREA) LATERAL C * * AHMED SHEIKH,J.N.3366,3/11/87 * **************************************************************************** ____________________________________________________________________________ USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ____________________________________________________________________________ USER SPECIFIED STORM EVENT(YEAR) = 100'00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 �—^ 10-YEAR STORM 60-MINUTE INTENSlTY(lNCH/HOUR) = .960 — 100-YEAR STORM 60-MINUTE INTENSITY(INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1-HOUR INTENSITY(INCH/HDUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C"-VALUES USED <<(<<<<(<<(<(<<<<<<<(<<<<<(<((<((<<<<0>>>>>>>>>>>>>>>>>>)>}>>>>> Advanced Engineering Software [AES] SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 **************************************************************************** FLOW PROCESS FROM NODE 835.wN lO NODE 33.00 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 780.00 ' UPSTREAM ELEVATION = 1323.00 DOWNSTREAM ELEVATION = 1304.00 ELEVATION DIFFERENCE = 19'00 � ~ L k /8 3 100.00 YEAR RAINFALL IN ENS l[Y(iNCH/HOUn) = 4.545 SOI�_ CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8362 SUBAREA RuwUFF(CFS) = 23'56 TOTAL AREA(ACRES) = 6.20 TOTAL RUNOFF(CFS) = 23.56 **************************************************************************** =LOW PROCESS FROM NODE 33.010 TO NODE 40.10 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTlME THRU SUBAREA((((( >)>>>USIN8 COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.4 UPSTREAM NODE ELEVATION = 1304.00 DOWNSTREAM NODE ELEVATION = 1303.00 FLOWLEN8TH(FEET) = 320.00 MANNINGS N = .013 ESTIMATED PIPE-DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 23.56 TRAVEL TIME(MIN.) = .99 TC(MIN.) = 10.13 FLOW PROCESS FROM NODE 834.00 TO NODE 40.10 IS CODE = 8 ------------------- -; -------------------------------------------------------- >>>>>ADDITlON Or SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 4.274 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8353 SUBAREA AREA(ACRES) = 4.10 SUBAREA RUNOFF(CFS) = 14.64 TOTAL AREA(ACRES) = 10.30 TOTAL RUNOFF(CFS) = 38.20 TC(MIN) = 10.13 FLOW PROCESS FROM NODE 40.10 TO NODE 39.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >)>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FU]W)<<<(< ============================================================================ DEPTH OF FLOW IN 36.0 INCH PIPE IS 28.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.3 UPSTREAM NODE ELEVATION = 1303.00 DOWNSTREAM NODE ELEVATION = 1301.00 FLDWLENGTH(FEET) = 550.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SU8AREA(CFG) = 38.2N TRAVEL TlME(MIN.) = 1.45 TC(MIN.) = 11.58 FLOW PROCESS FROM NODE 833.00 TO NODE 39.00 IS CODE = 8 ____________________________________________________________________________ )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ============================================================================ 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.945 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8341 SUBAREA AREA(ACRES) = 4.70 SUBAREA RUNOFF(CFS) = 15.46 TOTAL AREA(ACRES) = 15.00 TOTAL RUNOFF(CFS) = 53.67 TC(MIN) = 11.58 Lm FLOW pnOCE130 FROM NODE 834.10 70 NODE 39.m@ IS CODE a ____________________________________________________________________________ >>>/>ADDITION OF SUBAREA TO MAINLINE PEHK FLOW((((( 100.00 YEAR RAINFALL lmTENSlrY(IwCH/HOuR) = 3.945 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8341 SUBAREA AREA(ACRES) = .80 SUBAREA RUNOFF(CFS) = 2'63 TOTAL AREA(ACRES) = 15'80 TOTwL RUNOFF(CFS) = 56.30 TC(MIN) = 11.58 **************************************************************************** FLOW PROCESS FROM NODE 39.0.0 TO NODE 39.00 IS CODE = 1 ____________________________________________________________________________ >>>>>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 11.58 RAINFALL INTENSITY (INCH./HOUR) = 3.94 TOTAL STREAM AREA (ACRES) = 15.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 56.30 FLOW PROCESS FRDM'�ODE 836.00 TO NODE 34.00 IS CODE = 2 ____________________________________________________________________________ >>>}>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 630.00 UPSTREAM ELEVATION = 1319.00 DOWNSTREAM ELEVATION = 1304.00 ELEVATION DIFFERENCE = 15.00 TC = .303*1< 630.00**3>/( 15.00)3**.2 = 8.433 100.00 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 4.771 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8368 SUBAREA RUNOFF(CFS) = 17.97 TOTAL AREA(ACRES) = 4.50 TOTAL RUNOFF(CFS) = 17.97 **************************************************************************** FLOW PROCESS FROM NODE 34.00 '|O NODE 39.w0 IS CODE = 3 ---------------------------------------------------------------------------- }>>>>COMPUTE PIPEFLOW TRAVELTlME THRU SUBAREA((((( >)>>>USINQ COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.9 INCHES PIPEFLOW VELOClTY(FEET/SEC.) = 7.6 UPSTREAM NODE ELEVATION = 1304.00 DOWNSTREAM NODE ELEVATION = 1301.00 FLOWLENGTH(FEET) = 320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER UF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 17.97 TRAVEL TIME<MlN.> = .70 TC(MIN.) = 9.13 **************************************************************************** FLOW PROCESS FROM NODE 39.00 lO NODE 39.00 IS CODE = 1 . -____-_________________-__--_____-______-_______--_-____-_-________-________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )>>>>AND COMPUTE VARIOUS CONFLUENCED SrREAM VALUES((((( :ONIrLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: - fth_ OF CONCENTRATION(MINUTES) = 1 9.13 RAINFALL INTENSITY (INCH. /HOUR) = 4.55 `OTAL STREAM AREA (ACRES) = 4.50 ® IOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 17.97 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 56.30 11.58 3.945 2 17.97 9.13 4.548 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 srREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 71.88 62.37 COMPUTED CONFLUENCE_ ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = • 71.88 TIME(MINUTES) = 11.579 TOTAL AREA(ACRES) = 20.30 FLOW PROCESS FROM NODE 39. wO '10 NODE :;8.00 IS CODE = 3 ) >) >> COMPUTE RIF'EFEOW TRAVELTIME 1'HRIJ SUBAREA((((( > >) >> USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( ------------- - - - - -- -- DEPTH OF FLOW IN 45.0 INCH RIPE IS 33.8 INCHES PIREFLOW VELOCITY(FEET /SEC.) = 8.1 UPSTREAM NODE ELEVATION = 1301.00 DOWNSTREAM NODE ELEVATION = 1299.00 FLOWLENGTH ( FEET ) = 450.00 MANN I NGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 AWk PIPEFLOW THRU SUBAREA(CFS) = 71.88 TRAVEL TIME(MIN.) = .93 TC(MIN.) = 12.51 FLOW PROCESS FROM NODE 837.00 10 NODE :;8.00 IS CODE = 8 ---------------------------------------------------------------------------- >) >> )ADDITION OF SUBAREA TO MAINLINE PEAK. FLOW((((( 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.766 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8333 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 23.54 TOTAL AREA(ACRES) = 27.80 TOTAL RUNOFF(CFS) = 35.42 TC(MIN) = 12.51 FLOW PROCESS FROM NODE 38.00 10 NODE 12.00 IS CODE = 3 )))) )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) >)> )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 51.0 INCH RIPE IS 37.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.6 UPSTREAM NODE ELEVATION = 1299.00 DOWNSTREAM NODE ELEVATION = 1296.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 95.42 TRAVEL TIME(MIN.) = 1.36 TC(MIN.) = 13.87 **************************************************************************** FLOW PROCESS FROM NODE 12.00 TO NODE 12.00 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.87 RAINFALL INTENSITY (INCH./HOUR) = 3.54 TOTAL STREAM AREA (ACRES) = 27.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 95.42 **************************************************************************** FLOW PROCESS FROM NODE 838.10 TO NODE 12.00 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( 14.887 3.393 .8315 TOTAL AREA(ACRES) = 3.43 TOTAL RUNOFF(CFS) = 9.68 �� ASSUMED INIT%AL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 950.00 UPSTREAM ELEVATION = 1299.00 DOWNSTREAM ELEVATION = 1296.00 ELEVATION DIFFERENCE = 3.00 TC = .303*[( 950�00**3)/( 3.00)3**.2 = 100.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = SUBAREA RUNOFF(CFS) = 9.68 **************************************************************************** FLOW PROCESS FROM NODE 12.00 TO NODE 12.00 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.83 RAINFALL INTENSITY (INCH./HOUR) = 3.39 TOTAL STREAM AREA (ACRES) = 3.43 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.68 **************************************************************************** FLOW PROCESS FROM NODE 700.00 TO NODE 12.10 IS CODE = 2 ____________________________________________________________________________ }))))RATIONAL METHOD INITIAL SUBAREA ANALYgIS((<<( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)J**.2 INITIAL SUBAREA FLOW-LENGTH = 760.00 UPSTREAM ELEVATION = 1305.00 DOWNSTREAM ELEVATION = 1303.00 ELEVATION DIFFERENCE = 2.00 TC = .303*[( 760.00**3)/( 2.00)]**.2 = 14.121 100.00 YEAR RAINFALL lNTENSlTY(INCH/HOUR) = 3.502 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8320 SUBAREA RUNOFF(CFS) = 16.78 TOTAL AREA(ACRES) = 5.76 TOTAL RUNOFF(CFS) = 16.78 �q FLOW PROCESS FROM NODE 12.10 10 NODE 12.10 IS CODE = 6 ____________________________________________________________________________ >/>>>COMPUTE STREETFLOW TRAVELTInE THRU SUBAREA<(<(( UPSTREAM ELEVATION = 1303.00 DOWNSTREAM ELEVATION = 1296.50 STREET LENGTH(FEET) = 620'00 CURB HEIGTH(INCHEB) = 8. STREET HALFwlDTH(FEET) = 38'00 STREET CROSSFALL(DECIMAL) = .0279 TpECzFIED muwsER OF HALrSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 18.53 STREET FLOWDEPTH(FEET) = .65 HALFSTREET FLOODWIDTH(FEET) = 18.03 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.93 PRODUCT OF DEPTH&VELOCITY = 2.54 STREETFLOW TRAVELTlME(MIN) = 2.63 TC(MlN) = 16.75 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.161 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8301 SUBAREA AREA(ACRES) = 1.33 SUBAREA RUNOFF(CFS) = 3.49 SUMMED AREA(ACRES) = 7.09 TOTAL RUNOFF(CFS) = 20.27 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .66 HALFSTREET FLOODWIDTH(FEET) = 18.59 FLOW VELOClTY(FEET/SEC.) = 4.06 DEPTH*VELOClTY = 2.68 FnOw PROCESS FROM NODE 700.10 TO NUDE 12.00 IS CODE = 8 ____________________________________________________________________________ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW{<<<( ============================================================================ 100.00 YEAR RAINFALL IuTENSITY(INCH/HOUR) = 3.161 SOIL CLASSIFICATION IS "A'' COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8301 SUBAREA AREA(ACRES) = 8.21 SUBAREA RUNOFF(CFS) = 21.54 TOTAL AREA(ACRES) = 15.30 TOTAL RUNOFF(CFS) = 41.82 TC(MIN) = 16.75 **************************************************************************** FLOW PROCESS FROM NODE 12.00 lO NODE 12.00 IS CODE = 1 }>}>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )}>>>AND COMPUTE VARIOUS CONFLUENCED S[REAm VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 16.75 RAINFALL INTENSITY (INCH./HOUR) = 3.16 TOTAL STREAM AREA (ACRES) = 15.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 41.82 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ___________________ 1 95.42 2 9.68 3 41.82 ------------------------------------------------------ 13.87 3.5+0 14.89 3'393 16.75 3.161 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FDRMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 139.06 138.29 136.04 � COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 139.06 TIME(MINUTES) = 13.869 TOTAL AREA(ACRES) = 46.53 FLOW PROCESS FROM NODE 12.00 lO NODE 15.00 lS CODE = 3 ____________________________________________________________________________ >,>>>CDMcUTE PIPEFLOW TRAvELTInE THRU SUBAREA((((( 0L 0 >>>>>USING COMPUTER-ESTIMATED PIPESlIE (NON-PRESSURE FLOW)<<<<< � DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.7 UPSTREAM NODE ELEVATION = 1296.00 DOWNSTREAM NODE ELEVATION = 1288.00 FLOWLEmGTH(FEET) = 385.00 MANwlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 139.06 TRAVEL TIME(MIN.) = .38 TC(MlN.) = 14.25 **************************************************************************** FLOW PROCESS FROM NODE 15.00 lO NODE 15.m0 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DE9lGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.25 RAINFALL INTENSITY (INCH./HOUR) = 3.48 TOTAL STREAM AREAAACRES) = 46.53 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 139.06 FLOW PROCESS FROM NODE 838.a0 TO NODE 15.wN IS CODE = 2 ____________________________________________________________________________ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<<<( A"k ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATI0N CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 300.00 UPSTREAM ELEVATION = 1296.00 DOWNSTREAM ELEVATION = 1288.00 ELEVATION DIFFERENCE = 8.00 TC = .303*E( 300.00**3)/( 8'00)3**.2 = 6.127 100.00 YEAR RAINFALL INTENSITY(IwCH/*OUR) = 5.779 SOIL CLASSIFICATION IS ''A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8391 SUBAREA RUNOFF(CFS) = 1.94 TOTAL AREA(ACRES) = .40 TOTAL RUNOFF(CFS) = 1.94 **************************************************************************** FLOW PROCESS FROM NODE 15.00 10 NODE 15.00 IS CODE I }>>>>DEGIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>>AND COMPUTE VARIOUS CONFLUENCED S[RLAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 6.13 RAINFALL INTENSITY (INCH./HOUR) = 5.78 TOTAL STREAM AREA (ACRES) = .40 TOTAL STREAM RUNOFF(CFS) A[ CONFLUENCE = 1.94 CONFLUENCE INFORMATION: ST AM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ___________________________________________________________________ 1.94 6. 13 5.779 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SEC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 140.23 61.72 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 140.23 TIME(MINUTES) = 14.252 TOTAL AREA(ACRES) = 42.93 FLOW PROCESS FROM NODE 15.00 10 NODE 15.0 IS COLE = 3 - - - - )))) )COMPUTE PIPEFLOWTRAVELTIME THRU SUBAREA(( <(< )))))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((< <( I;EPTH OF FLOW IN 45.0 INCH PIPE IS 33.1 INCHES PIPEFLOW VELOCITY(FEET /SE:C.) = 16.1 LPSTREAM NODE ELEVATION = 1288.00 DOWNSTREAM NODE ELEVATION = 1280.00 FLOWLENGTH(FEET) = 450.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 45.00 rIPEFLOW THRU SUBAREA(CPS) = 140.23 TRAVEL TIME(MIN.) _ .47 TC(MIN.) if m N = .013 NUMBER OF PIPES = = 14. 72 FLOW PROCESS FROM NODE 15.10 10 NODE 15.10 1S CODE = 1 --•--------------------------------------------------------------------------- ))> ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i ARE: TIME OF CONCENTRATION(MINUTES) = 14.72 RAINFALL INTENSITY (INCH. /HOUR) = 3.42 TOTAL STREAM AREA (ACRES) = 46.93 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 140.23 )=LOW PROCESS FROM NODE 947.00 10 NODE 15.10 IS CODE = 2 >)) > > RATIONAL METHOD INITIAL SUBAREA ANALYSTS (((( ( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *C(LENGTH * *3) /(ELEVATION CHANGE)3* #.2 INITIAL SUBAREA FLOW- LENGTH = 830.00 UPSTREAM ELEVATION = 1296.00 DOWNSTREAM ELEVATION = 1281.30 ELEVATION DIFFERENCE = 14.70 TC = .303*[( 830. 00 * *3) / ( 14.70) 3 * *. '2 = 9.990 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 4.310 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8354 SUBAREA RUNOFF(CFS) _ 26.24 TOTAL AREA(ACRES) = 7.40 TOTAL RUNOFF(CFS) = 26.64 #• iE• F## il•##• 3F####•l E•# jF##•1 F####• lE•###############• 32####•1 F## # # #•IE•-lF # # # # # # #-k # #•iE# # #•lf # #ifyF # #-1F ## FLOW PROCESS FROM NODE 15.10 10 NODE 15.10 IS CODE = 1 >))> )DESIGNATE INDEPENDENT STREAM FUR CONFLUENCE(( <(( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: A ` ,t L., GuwLONCRAl !Uw(mIwuILS/ - 9. 9y RAINFALL INTENSITY (INCH./HOUR) = 4.31 TCTAL STREAM AREA (ACRES) = 7.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENLE = 26.64 **************************************************************************** ' FLOW PROCESS FROM NODE 839.00 /O NODE +2.00 IS CODE = 2 ____________________________________________________________________________ >>>}>RATIONHL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)3**.2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 . UPSTREAM ELEVATION = 1304.00 DOWNSTREAM ELEVATION = 1302.00 ELEVATION DIFFERENCE = 2.00 TC = .303*[( 1000.00**3)/( 2.00)]°*.2 = 16.649 100.00 YEAR RAINFALL lNTENSlTY(INCH/HOUR) = 3.172 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8302 SUBAREA RUNOFF(CFS) = 26.34 TOTAL AREA(ACRES) = 10.00 TOTAL RUNOFF(CFS) = 26.34 FLOW PROCESS FROM NODE 838.00 lO NODE 42.00 IS CODE = 8 ---------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100'00 YEAR RAINFALL INTENSlTY<INCH/HOUR> = 3.172 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8302 SUBAREA AREA(ACRES) = 4.03 SUBAREA RUNOFF(CFS) = 10.61 TOTAL AREA(ACRES) = 14.03 TOTAL RUNOFF(CFS) = 36.95 C TC(MIN) = 16.65 **************************************************************************** FLOW PROCESS FROM NODE +2.00 TO NODE 15.0 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTlmE THHU SUBAREA{<<<( >>>>>USlNG COMPUTER-ESTIMATED PIPESIIE (NON-PRESSURE FLOW)<(<<< ============================================================================ DEPTH OF FLOW IN 27.0 INCH PIPE IS 21.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.2 UPSTREAM NODE ELEVATION = 1292.00 DOWNSTREAM NODE ELEVATION = 1280'00 FLOWLENGTH(FEET) = 720.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 36.95 TRAVEL TIME(MIN.) = 1.08 TC(MIN.) = 17.72 **************************************************************************** FLOW PROCESS FROM NODE i5.10 lO NODE 15.10 IS CODE = 1 >>>>}DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >)>>>AND COMPUTE VARIOUS CONFLUENCED SFREAM VALUES<<<<( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 17.72 ' RAINFALL INTENSITY (INCH./HOUR) = 3.06 TOTAL STREAM AREA (ACRES) = 14.03 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 36.95 �On:7�_UEr,CE INFORMATION: iirnEAI'll [RUNOFF TlME 1mTENSITv �`/pBER (CFS) (MIN. ) (I1NCH/hOUR) ----------------------------------------------------------------- u A"k z 140.23 14.72 3.416 �_� 2 26'64 9'99 4.310 `�' 3 36.e5 17'72 3.055 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO PORMULA(S8C) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 192.03 142.65 181.27 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: nUnOFF(CFS) = 192.03 TIME(MINUTES) = 14.718 TOTAL AREA(ACRES) = 68'36 FLOW PROCESS FROM NODE 15.10 lO NODE 62.w0 IS CODE = 3 ____________________________________________________________________________ ))))}COMPUTE PIPEFLOW TRAVELTImE THRU SUBAREA<<<(< >>)>)USlNG COMPUTER-ESTIMATED PlPESlZE (NON-PRESSURE FLOW><<(<< ============================================================================ DEPTH OF FLOW IN 51.0 INCH PIPE IS 39.9 INCHES PIPEFLOW VELOC1TY(FEET/SEC.) = 16.1 UPSTREAM NODE ELEST%ON = 1280.00 DOWNSTREAM NODE ELEVATION = 1270.00 FLOWLENGTH<FEET) = 670.00 MANNlNGS N = .013 FSTIMATED PIPE DIAMETER(INCH) = 51'00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 192.03 TRAVEL TIME(MlN.) = .69 TC(MlN.) = 15.41 **************************************************************************** FLOW PROCESS FROM NODE 62.00 TO NODE 62.00 IS CODE = 1 �-� __-__-_--_--____--___-_________-____-_-___---__---______________-________--- -m� >>>>>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.41 RAINFALL INTENSITY (INCH./HOUR) = 3.32 TOTAL STREAM AREA (ACRES) = 68.36 TOTAL STREAM RUNOFF(CFS) AT CONFLUENLE = 192.03 **************************************************************************** FLOW PROCESS FROM NODE 711.00 TO NODE 62.w0 IS CODE = 2 ---------------------------------------------------------------------------- >}>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHAwGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1290.02 DOWNSTREAM ELEVATION = 1271.43 ELEVATION DIFFERENCE = 18.59 TC = .303*[( 1000.00**3)/( 18,53)]**.2 = 10.659 100.00 YEAR RAINFALL INTENSITY<INCH/HOUR> = 4.145 SOIL CLASSIFICATION IS "A'' COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8348 SUBAREA RUNOFF(CFS) = 5.19 TOTAL AREA(ACRES) = 1.50 TOTAL RUNOFF(CFS) = 5.19 FLOW PROCESS FROM NODE 62.00 10 NODE 62.wO 1S CODE >0}/DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<(< )}>>>AND COMPUTE VARIOUS CONFLUENCED S[REAM VALUES(<<(< N�} CONFLUENCE VALUES USED FOR INDEPENDENT S[REAM 2 ARE: TINE OF CONCENTRATION(MINUTES) = 10.66 RAINFALL INTENSITY (INCH./HOUR) = 4.15 TOTAL STREAM AREA (ACRES) = 1.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.19 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) _____________________________________________________________________ z 192.03 15.41 3.323 2 5.19 10.66 4.145 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORM0-A(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 196.19 138.02 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 196.19 TIME(MINUTES) = 15.410 TOTAL AREA(ACRES) = 69.86 END OF RATIONAU METHOD ANALYSIS No (C) Copyright 1982 Advanced Engineering Software CAES] Especially prepared for: HALL & FOREMAN, INC. * * * * * * * ** *DESCRIPTION OF RESULTS********** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** * LATERAL D HYDROLOGY, NODE 701.1 TO 24 * G 25 * AHMED SHEIKH, J. N. 3366, 3/ 12/87 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** --------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR S70RM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE _ .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software CAES] SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 701.10 TO NODE 701.e0 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 870.00 UPSTREAM ELEVATION = 1291.10 DOWNSTREAM ELEVATION = 1283.00 ELEVATION DIFFERENCE = 8.10 TC = . 303 *C ( 870.00 * *3) / ( 8.10) 1 * *. 2 = 11.577 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.092 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8297 SUBAREA RUNOFF(CFS) = 2.56 TOTAL AREA(ACRES) = 1.00 TOTAL RUNOFF(CFS) _ 2.56 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 701.20 TO NODE 16.10 IS CODE = 6 ) >)> )COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION = 1283.00 DOWNSTREAM ELEVATION = 1272.00 STREET LENGTH(FEET) = 640.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = i * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3.44 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 7.84 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.42 PRODUCT OF DEPTH &VELOCITY = 1.22 STREETFLOW TRAVELTIME(MIN) = 3.12 TC(MIN) = 14.70 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.679 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8265 SUBAREA AREA(ACRES) _ .80 SUBAREA RUNOFF(CFS) = 1.77 SUMMED AREA(ACRES) = 1.80 TOTAL RUNOFF(CFS) = 4.34 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 9.22 FLOW VELOCITY(FEET /SEC.) = 3.28 DEPTH *VELOCITY = 1.29 FLOW PROCESS FROM NODE 16.10 TO NODE 16.10 IS CODE = 1 ---------------------------------------------------------------------------- ) >) >) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.70 RAINFALL INTENSITY (INCH. /HOUR) = 2.68 TOTAL STREAM AREA (ACRES) = 1.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.34 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 317.20 TO NODE 16.10 IS CODE = 2 ---------------------------------------------------------------------------- )) >) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1287.00 DOWNSTREAM ELEVATION = 1272.00 ELEVATION DIFFERENCE = 15.00 TC = . 303 *[ ( 1000. 00 * *3) / ( 15.00) ] * *. 2 = 11.127 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.166 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8301 SUBAREA RUNOFF(CFS) = 8.94 TOTAL AREA(ACRES) = 3.40 TOTAL RUNOFF(CFS) = 8.94 FLOW PROCESS FROM NODE 16.10 TO NODE 16.10 IS CODE = 1 ---------------------------------------------------------------------------- )) >) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ® CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.13 RAINFALL INTENSITY (INCH. /HOUR) = 3.17 TOTAL STREAM AREA (ACRES) = 3.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 8.94 m FLOW PROCESS FROM NODE 317.30 TO NODE 16.10 IS CODE = 2 ---------------------------------------------------------------------- - - - - -- > >>) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 950.00 UPSTREAM ELEVATION = 1283.00 DOWNSTREAM ELEVATION = 1272.00 ELEVATION DIFFERENCE = 11.00 TC = .303*[( 950. 00 * *3) / ( 11.00) ] * *. 2 = 11.480 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.107 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8298 SUBAREA RUNOFF(CFS) = 4.90 TOTAL AREA(ACRES) = 1.90 TOTAL RUNOFF(CFS) = 4.90 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 16.10 TO NODE 16.10 IS CODE = 1 ) > >))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 11.48 RAINFALL INTENSITY (INCH. /HOUR) = 3.11 TOTAL STREAM AREA (ACRES) = 1.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.90 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 4.34 14.70 2.679 2 8.94 11.13 3.166 3 4.90 11.48 3.107 E�� RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 16.12 16.97 17.06 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 17.06 TIME(MINUTES) = 11.480 TOTAL AREA(ACRES) = 7.10 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 16.10 TO NODE 24.00 IS CODE = 6 ---------------------------------------------------------------------- - - - - -- )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION = 1273.00 DOWNSTREAM ELEVATION = 1253.00 STREET LENGTH(FEET) = 1250.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 18.64 STREET FLOWDEPTH(FEET) = .60 HALFSTREET FLOODWIDTH(FEET) = 16.78 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.69 PRODUCT OF DEPTH&VELOCITY = 2.80 STREETFLOW TRAVELTIME(MIN) = 4.45 TC(MIN) = 15.93 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.553 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8254 SUBAREA AREA(ACRES) = 1.50 SUBAREA RUNOFF(CFS) = 3.16 SUMMED AREA(ACRES) = 8.60 TOTAL RUNOFF(CFS) = 20.22 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .62 HALFSTREET FLOODWIDTH(FEET) = 17.47 FLOW VELOCITY(FEET /SEC.) = 4.71 DEPTH *VELOCITY = 2.90 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 24.00 TO NODE 24.00 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.93 RAINFALL INTENSITY (INCH. /HOUR) = 2.55 TOTAL STREAM AREA (ACRES) = 8.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 20.22 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 20.22 15.93 2.553 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 20.22 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 20.22 TIME(MINUTES) = 15.925 TOTAL AREA(ACRES) = 8.60 - END OF RATIONAL METHOD ANALYSIS H A ----------------------------- RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM EASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL (C) Copyright 1982 Advanced Engineering Software SAES] Especially prepared for: HALL & FOREMAN, INC. (((((((((((((((((((((((((((((((((((((())))>>> ) >)) >))))) >) >))) >) > > > > > >)> >) > >) * * * * * * * ** *DESCRIPTION OF RESULTS * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** * LATERAL D HYDROLOGY (INDUSTRIAL AREA) 700.2 TO NODE 26 * 0 25 * AHMED SHEIKH, J. N. 3366, 3/ 12/87 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ----------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ------ ---------- ------ ------------ ---- ----- --------------------------------- �r/ USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE _ .6000 SEC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software CAES] SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 <(<<(<<<<<<<<(<t(<t<<<<<<<<<((<<<<(<((>>>)>)> > > > > > >>) > >) > > > > > >) > > > > > >i > >> >)� FLOW PROCESS FROM NODE 700.40 '0 NODE 13.00 1S CODE = 2 ------------------------------------------------------------------------------ )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *[(LENGTH * *3) /(ELEVATI0N CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 650.00 UPSTREAM ELEVATION = 1305.00 DOWNSTREAM ELEVATION = 1297.00 ELEVATION DIFFERENCE = 8.00 TC = . 393* 1 ( 650.00 * *3) / ( = 12.621 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2. 936 Cin Ti ri C)cr Tr. Tr - T flt,i T, SINGLE- FAMILY(1 /4 ACkt LOT) RUNOFF COEFFICIENT = .7429 SUBAREA RUNOFF(CFS) = 4.14 TOTAL AREA(ACRES) = 1.90 TOTAL RUNOFF(CFS) = 4.14 FLOW PROCESS FROM NODE 13.00 10 NODE 14.00 1S CODE = 6 ------------------------------------------------------------------- ))) ))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION = 1297.00 DOWNSTREAM ELEVATION = 1283.00 STREET LENGTH(FEET) = 850.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DECIMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 4.14 STREET FLOWDEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 9.03 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.25 PRODUCT OF DEPTH &VELOCITY = 1.26 STREETFLOW TRAVELTIME(MIN) = 4.38 TC(MIN) = 16.99 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.456 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8244 SUBAREA AREA(ACRES) = 0.00 SUBAREA RUNOFF(CFS) = 0.00 SLIMMED AREA(ACRES) = 1.90 TOTAL RUNOFF(CFS) = 4.14 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 9.03 FLOW VELOCITY(FEET /SEC.) = 3.25 DEPTH *VELOCITY = 1.26 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 14.00 TO NODE 14.00 IS CODE = i -------------------------------------------------------------------- )) )))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.99 RAINFALL INTENSITY (INCH. /HOUR) = 2.46 TOTAL STREAM AREA (ACRES) = 1.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.14 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 701.00 TO NODE 14.00 IS CODE = G ----------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS <( <(( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 800.00 UPSTREAM ELEVATION = 1297.00 DOWNSTREAM ELEVATION = 1283.11 ELEVATION DIFFERENCE = 14.00 TC = . 303* E ( 800. 00 * *3) / ( 14.00) 7 * *. 2 = 9.868 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 3.403 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = . 8,315 SUBAREA RUNOFF(CFS) = 14.43 TOTAL AREA(ACRES) = 5.10 TOTAL RUNOFF(CFS) = 14.43 FLOW PROCESS FROM NODE 14.00 TO NODE 14.00 iS CODE: = 1 >>>>}DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 9.87 RAINFALL INTENSITY (INCH./HOUR) = 3.40 TOTAL STREAM AREA (ACRES) = 5.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 14.43 FLOW PROCESS FROM NODE 702.00 TO NODE 14.00 IS CODE = 2 ---------------------------------------------------------------------------- >>>})RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATlON CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 700.00 UPSTREAM ELEVATION = 1296.00 DOWNSTREAM ELEVATION = 1281.16 ELEVATION DIFFERENCE = 14.84 TC = .303*[( 700.00**3)/( 14.84)3**.2 = 9.002 25.00 YEAR RAINFALL INTENSlTY(lNCH/HOUR) = 3.595 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8325 SUBAREA RUNOFF(CFS) = 5.69 TOTAL AREA(ACRES) = 1.90 TOTAL RUNOFF(CFS) = 5.69 **************************************************************************** c FLOW PROCESS FROM NODE 14.00 TO NODE 14.00 IS CODE = 1 ______________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<< >)>>)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<(< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 9.00 RAINFALL INTENSITY (INCH./HOUR) = 3.60 TOTAL STREAM AREA (ACRES) = 1.90 . TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.69 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ 1 4.14 16.99 2.456 2 14.43 9.87 3.403 3 5.69 9.00 3.595 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 18.45 22.22 21.05 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 22.22 TIME(MINUTES) = 9.868 TOTAL AREA(ACRES) = 8.90 **************************************************************************** FLOW PROCESS FROM NODE 14. %60 lO NODE 6. 00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PlPEFLOW TRAVELTlME THkU SUBAREA<<<<( )>>>>USING COMPUTER-ESTIMATED PIPEGl2E (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.3 INCHES PIPEFLgW VEL0CITY(FEET/5FC'` = �w-5 -- UPSTREAM NODE ELEVATION = 1283.00 DOWNSTREAM NODE ELEVATION = 1275.00 FLOWLENGTH(FEET) = 430.00 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 22.22 TRAVEL TIME(MlN.) = .68 TC(MlN.) = 10.55 **************************************************************************** FLOW PROCESS FROM NODE 16.00 lO NODE 16.00 I8 CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCEM<< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 10.55 RAINFALL INTENSITY (INCH./HOUR) = 3.27 TOTAL STREAM AREA (ACRES) = 8.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 22.22 **************************************************************************** FLOW PROCESS FROM NODE 703.00 lO NODE 16.w0 IS CODE = 2 ____________________________________________________________________________ )}>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<(<<< ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 870.00 UPSTREAM ELEVATION = 1290.02 DOWNSTREAM ELEVATION = 1275.00 ELEVATION DIFFERENCE = 15.02 TC = .303*1( 870.0N**3)/( 15.02)]**.2 = 10.232 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.329 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8311 SUBAREA RUNOFF(CFS) = 14.67 TOTAL AREA(ACRES) = 5.30 TOTAL RUNOFF(CFS) = 14.67 **************************************************************************** FLOW PROCESS FROM NODE 16.00 TO NODE 16.00 IS CODE )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >}>>>AND COMPUTE VARIOUS CONFLUENCED SrREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE:' TIME OF CONCENTRATION(MINUTES) = 10.23 RAINFALL INTENSITY (INCH./HOUR) = 3.33 TOTAL STREAM AREA (ACRES) = 5.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 14.67 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ______-- ____-__-___-_-_____-____---_______--__-__-_-_ 1 22.22 10.55 3.269 2 14.67 10.23 3.329 ��w RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO - FORMULA(SBC) USED FOR 2 S[REAMS, VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 36.62 36.21 COMPUTED CONFLUENCE ESTIMATES ARE PS FOLLOWS; RUNOFF(CFg) = 36.62 TIME(MINUTES) = 10'552 _-- _ **************************************************************************** FLOW PROCESS FROM NODE 16.00 10 NODE 24.00 IS CODE = 3 ] ))))}COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( />>>>USlNG COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( - DEPTH OF FLOW IN 27.0 INCH PIPE IS 21.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.7 UPSTREAM NODE ELEVATION = 1275'00 DOWNSTREAM NODE ELEVATION = 1253.00 FLOWLENGTH(FEET) = 1430.00 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 36.62 TRAVEL TIME(MIN.) = 2.22 TC(MIN.) = 32.77 **************************************************************************** FLOW PROCESS FROM NODE 24.00 70 NODE 24.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<(< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.77 RAINFALL INTENSITY (INCH./HOUR) = 2.91 TOTAL STREAM AREA (ACRES) = 14.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = **************************************************************************** FLOW PROCESS FROM NODE 704.00 10 NODE 18.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 720.00 UPSTREAM ELEVATION = 1280.00 �. DOWNSTREAM ELEVATION = 1268.00 ELEVATION DIFFERENCE = 12.00 TC = .303*[( 720.00**3)/( 12.00)]**.2 = 9.553 25.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 3.469 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8319 SUBAREA RUNOFF(CFS) = 16.74 TOTAL AREA(ACRES) = 5.80 TOTAL RUNOFF(CFS) = 16.74 **************************************************************************** w0 IS CODE = 6 FLOW PROCESS FROM NODE 18 m0 10 NODE 24 . . - -- >>>>>COMPUTE STREETFLOW TRAVELTIwE THRU SUBAREA<<((< UPSTREAM ELEVATION = 1268.00 DOWNSTREAM ELEVATION = 1253.00 STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) = 8. STREET HALFWlDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTlME COMPUTED USING MEAN FLOW(CFS) = 18.53 STREET FLOWDEPTH(FEET) = .60 *ALFSTREET FLOODWIDTH(FEET) = 16.78 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.66 PRODUCT OF DEPrH&VELOCITY = 2.78 STREETFLOW TRAVELTIME(MIN) = 3.58 TC(MIN) = 13.13 25.00 YEAR RAINFALL INTENSITY(INLH /HOUR) = 2.867 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8281 SUBAREA AREA(ACRES) = i.50 SUBAREA RUNOFF(CFS) = 3.58 SUMMED AREA(ACRES) = 7.30 TOTAL RUNOFF(CFS) = Lo.30 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .62 HALFSTREET FLOODWIDTH(FEET) = 17.47 'LOW VELOCITY(FEET /SEC.) = 4.73 DEPTH *VELOCITY = 2.51 FLOW PROCESS FROM NODE 24.00 TO NODE 24.00 IS CODE = 1 )) )))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.13 RAINFALL INTENSITY (INCH. /HOUR) = 2.87 TOTAL STREAM AREA (ACRES) = 7.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 20.30 FLOW PROCESS FROM NODE 706.00 TO NODE 97.00 IS CODE = 2 ---------------------------------------------------------------------- - - - - -- )))> )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL ® TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW - LENGTH = 450.00 UPSTREAM ELEVATION = 1273.00 DOWNSTREAM ELEVATION = 1269.00 ELEVATION DIFFERENCE = 4.00 TC = . 303* E ( 450. 00 * *3) / ( 4.00) ] * *. 2 = 8.976 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.602 SOIL CLASSIFICATION I.S' "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8325 SUBAREA RUNOFF(CFS) = 6.00 TOTAL AREA(ACRES) = 2.00 TOTAL RUNOFF(CFST.= 6.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 97.00 TO NODE 22.00 IS CODE = 6 ---------------------------------------------------------------------------- )))) )COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA <(((( UPSTREAM ELEVATION = 1269.00 DOWNSTREAM ELEVATION = 1260.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 STREET CROSSFALL(DECIMAL) = .0280 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 6.00 STREET FLOWDEPTH(FEET) = .45 HALFSTREET FLOODWIDTH(FEET) = 10.81 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.31 PRODUCT OF DEPTH &VELOCITY = 1.47 STREETFLOW TRAVELTIME(MIN) = 3.27 TC(MIN) = 12.25 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.989 ® SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8290 SUBAREA AREA(ACRES) = 0.00 SUBAREA RUNOFF(CFS) = 0.00 SUMMED AREA(ACRES) = 2.00 TOTAL RUNOFF(CFS) = 6.00 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .45 HALFSTREET FLOODWIDTH(FEET) = 10.81 = LOW Vcl OMT Vt•=Ff= /''BFI ? m FLOW PROCESS FROM NODE 705.00 10 NODE 2.2.00 IS CODE = 8 ---------------------------------------------------------------------------- ) >) ))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( - 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.989 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .82290 SUBAREA AREA(ACRES) = 7.60 SUBAREA RUNOFF(CFS) = 18.83 TOTAL AREA(ACRES) = 9.60 TOTAL RUNOFF(CFS) = 24.83 TC(MIN) = 12.25 FLOW PROCESS FROM NODE 708.00 10 NODE 2'2.00 1S CODE = 8 ---------------------------------------------------------------------------- )))> )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.989 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8290 SUBAREA AREA(ACRES) = 3.40 SUBAREA RUNOFF(CFS) = 8.42 TOTAL AREA(ACRES) = 13.00 TOTAL RUNOFF(CFS) = 33.25 TC(MIN) = 12.25 FLOW PROCESS FROM NODE 22.00 10 NODE 24.00 IS CODE = 3 ---------------------------------------------------------------------------- >) >> )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))> )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)(( <(( DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.6 UPSTREAM NODE ELEVATION = 1260.010 DOWNSTREAM NODE ELEVATION = 1253.100 FLOWLENGTH(FEET) = 280.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER'WF PIPETS = 1 PIPEFLOW THRU SUBAREA(CFS) = 33.25 TRAVEL TIME(MIN.) = .37 TC(MIN.) = 12.62 FLOW PROCESS FROM NODE 24.00 10 NODE ;_4.00 IS CODE = 1 > > >> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <(((< )) > > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 12.62 RAINFALL INTENSITY (INCH. /HOUR) = 2.94 TOTAL STREAM AREA (ACRES) = 13.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 33.25 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) _.... 1 - _. - - -- 36.62 12.77 2. 9 1 5 2 20.30 13.13 2.867 3 33.25 12.62 2.936 RAINFALL INTENSITY AND TIME 01 CONCEN "f RATION RATIO VARIOUS CONFLUENCED RUNOFF VALUES ARE AS F0-LOWS: 89.37 88.78 88.93 COMPUTED CONFLUENCE ESTIMATES ARE AS F0-U]WS, RUNOFF(CFS) = 89.37 TIME(MINUTES) = 12.772 TOTAL AREA(ACRES) = 34.50 **************************************************************************** FLOW PROCESS FROM NODE 24.00 lO NODE 24.00 IS CODE = 1 >>>>>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ========================================================================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.77 RAINFALL INTENSITY (INCH./HOUR) = 2.91 TOTAL STREAM AREA (ACRES) = 34.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 89.37 *************************************** ******************** FLOW PROCESS FROM NODE 24.00 TO NODE 24.00 IS CODE = 7 ---------------------------------------------------------------------------- )))))USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((( ============================================================================ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MlN) = 15.93 RAIN INTENSITY(lNCH/HOUR) = 2.55 TOTAL AREA(ACRES) = 8.60 TOTAL RUNOFF(CFS) = 20.22 FLOW PROCESS FROM NODE 24.00 TO NODE 24.w0 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.93 RAINFALL INTENSITY (INCH./HOUR) = 2.55 TOTAL STREAM AREA (ACRES) = 8.60 . TOTAL STREAM RUNOFF(CFS) A[ CONFLUENCE = 20.& CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) _________________________________________________________________________ 1 89.37 12.77 2.915 2 20.22 15.93 2.553 � RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 105.59 98.51 COMPUTED CONFLUENCE ESTIMATES AHE AS FOLLOWS: RUNOFF(CFS) = 105.59 TIME(MINUTES) = 12.772 TOTAL AREA(ACRES) = 43.10 **************************************************************************** FLOW PROCESS FROM NODE 24.00 lO NODE L6.00 I5 CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THHU SUBAREA((((( >>)>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOw)<(<<< ============================================================================ DEPTH OF FLOW IN 45.0 INCH PIPE IS 35.9 INCHES PlPEFLOW VELOCITY(FEET/SEC,) = 11.2 UP5TRFAM NODE F|.FvArTqN = IR5Z.mw DOWNSTREAM NODE ELEVATION = 1247.00 FLOWLENGTH(FEET) = 710.00 mANwINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = z PIPEFLOW THRU SUBAREA(CFS) = 105.59 TRAVEL TIME(MlN.) = 1.06 TC(MIN.) = 13.83 **************************************************************************** FLOW PROCESS FROM NODE 26.00 lO NODE L6.00 IS CODE = � >>>}>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>>AND COMPUTE VARIOUS CONFLUENCED SrR VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.83 RAINFALL INTENSITY (INCH./HOUR) = 2.78 TOTAL STREAM AREA (ACRES) = 43.10 TOTAL STREAM RUNOFF(CFB) AT CONFLUENCE = 105.59 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ 1_ 105.59 13.83 2.779 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 105.59 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 105 59 TIME(MINUTES) = 13.831 � TOTAL AREA(ACRES) = 43.10 END OF RATIONAL METHOD ANALYSIS �q ti LATERAL D Q100 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM �-� BASED ON SAN BERwARDImO COUNTY (SBC) 1983 HYDROLOGY MANUAL <(<<<<<<<<<(<<((<< <<<<((<<<0>>>>>>>>}>}>}>>>>}>>}}>>>>�>>>>>>�>>> (C) Copyright 1982 Advanced Engineering Software [AES] Especially prepared for: HALL & FOREMAN, INC. ((<<<<<<<<<<<<<<<<(<(<<(< >>}>>>>>>>>>}>>>} **********DESCRIPTION OF RESULTS*********** ******************** * LATERAL D HYDROLOGY (INDUSTRIAL AREA) 700.2 TO NODE 26 * * Q 100 * * AHMED SHElKH,J.N.3366,3/12/87 * **************************************************************************** .� --____-_______-___-___-___--_______---_-_-____---__-___-_-___-_______--_-___ USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------------------------------------------------------------- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 10-YEAR STORM 60-MINUTE INTENSITY(INCH/HOUH) = .980 100-YEAR STORM 60-MINUTE INTENSITY(ImCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1-HOUR INTENSITY(INCH/HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C"-VALUES USED Advanced Engineering Software [AES] SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 FLOW PROCESS FROM NODE 700.20 TO NODE 13.00 IS CODE = 2 ---------------------------------------------------------------------------- >>>>}RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)3**.2 INITIAL SUBAREA FLOW-LENGTH = 650.00 UPSTREAM ELEVATION = 1305.00 DOWNSTREAM ELEVATION = 1297.00 ELEVATION DIFFERENCE = 8.00 TC = .393*[( 650.0N**3)/( 8.00)]**.2 = 12.621 100.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 3.746 SOIL CLASSIFICATION IS "A" `-..'� .`_L,* xL�^:. L-1-./ "Uwurt- _ucr+I L, i I-- w/ g*JBAREA RUNOFF(CFS) = 5.45 TOTAL AREA(ACRES) = 1.90 TOTAL RUNOFF(CFS) = 5.45 **************************************************************************** FLOW PROCESS FROM NODE ~ 13 wO TO NODE 14.m0 IS CODE = 6 -_----______--____-_-________^__-__---___-_____-___________--_____--__-____ >>>>>COMPUTE STREETFLOW TRAVELTIwE THRU SUBAREA((((( ============================================================================ UPSTREAM ELEVATION = 1297.00 DOWNSTREAM ELEVATION = 1283.00 STREET LENGTH(FEET) = 850.00 CURB HElGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEClMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTlME COMPUTED USING MEAN FLOW(CFS) = 5.45 STREET FLOWDEPTH(FEET) = .42 HALFSTREET FLOODWlDTH(FEET) = 10.16 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.48 PRODUCT OF DEPTH&VELOCITY = 1.46 STREETFLOW TRAVELTIME(MlN) = 4.07 TC(MlN) = 16.69 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.167 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8301 SUBAREA AREA(ACRES) = 0.00 SUBAREA RUNOFF(CFS) = 0.00 SUMMED AREA(ACRES) = 1.90 TOTAL RUNOFF(CFS) = 5.45 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = �42 HALFSTREET FLOODWlDTH(FEET) = 10.16 FLOW VELOClTY(FEET/SEC.) = 3.48 DEPTH*VELOCITY = 1.46 ******************************************* *** * FLOW PROCESS FROM NODE 14.00 TO NODE 14.00 IS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: . TIME OF CONCENTRATION(MINUTES) = 16.69 RAINFALL INTENSITY (INCH./HOUR) = 3.17 TOTAL STREAM AREA (ACRES) = 1.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.45 ******************************************************** ******* FLOW PROCESS FROM NODE 701.00 TO NODE 14.00 IS CODE = 2 ____________________________________________________________________________ >>>}>RATIONAL METHOD INITIAL SUBAREA ANALYSlS<<<<< ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: oowmERozAL TC = K*[(LENGTH**3)/(ELEVATlON CHANGE)3**.2 INITIAL SUBAREA FLOW-LENGTH = 800.00 UPSTREAM ELEVATION = 1297.00 DOWNSTREAM ELEVATION = 1283.00 ELEVATION DIFFERENCE = 14.00 TC = .303*[( 800.00**3)/( 14.00)]**.2 = 9.868 100.00 YEAR RAINFALL lNTENSITY(INCH/HOUg) = 4.342 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8355 SUBAREA RUNOFF(CFS) = 18.50 TOTAL AREA(ACRES) = 5.10 TOTAL RUNOFF(CFS) = 18.50 ******************************************* *** FLOW PROCESS FROM NODE 14.00 TO NODE 14.00 IS CODE = 1 ____________________________________________________________________________ �q > > ijc i1L7NH I t7 S I NEON t-OH (,(JNrLUtN_;' ( < ( ( i ---------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 9.87 RAINFALL INTENSITY (INCH. /HOUR) = 4.34 TOTAL STREAM AREA (ACRES) = 5.10 TOTAL STREAM RUNOFF(CFS) A( CONFLUENCE = 18.50 FLOW PROCESS FROM NODE 702.00 TO NUDE 14.00 IS CODE = 2 ---------------------------------------------------------------------------- )))) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((< ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 700.00 UPSTREAM ELEVATION = 1296.00 DOWNSTREAM ELEVATION = 1281.16 ELEVATION DIFFERENCE = 14.84 TC = .303*[( 700. 00 * *3) / ( 14.84) ] * *. 2 = 9.002 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 4.588 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8363 SUBAREA RUNOFF(CFS) = 7.29 TOTAL AREA(ACRES)'= 1.90 TOTAL RUNOFF(CFS) = 7.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 14.00 TO NODE 14.00 IS CODE = 1 ---------------------------------------------------------------------------- > >)> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )>) >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 9.00 RAINFALL INTENSITY (INCH. /HOUR) = 4.59 TOTAL STREAM AREA (ACRES) = 1.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.29 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 5.45 16.69 3.167 2 18.50 9.87 4.342 3 7.29 9.00 4.588 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 23.98 28.62 27.11 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 28.62 TIME(MINUTES) = 9.868 TOTAL AREA(ACRES) = 8.90 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 14.00 TO NODE 16.00 IS CODE = 3 ---------- - ----------------------------------------------------------------- > >) >) COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( > >)> )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( ----- - - - - -- - DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.9 - b i rti_F,PI n,UUt. ELL'JH I J. ON = 1cti.5. V!4! DOWNSTREAM NODE ELEVATION = 1275.00 FLOWLENGTH(FEET) = 430.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 28.62 TRAVEL TIME(MIN.) = .66 TC(MIN.) = 10.53 FLOW PROCESS FROM NODE 16.00 TO NODE 16. IS CODE = 1 )) > >> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 10.53 RAINFALL INTENSITY (INCH. /HOUR) = 4.18 TOTAL STREAM AREA (ACRES) = 8.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 28.62 FLOW PROCESS FROM NODE 703.160 TO NODE 16.00 IS CODE = 2 ---------------------------------------------------------------------------- ))) > >RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED�INITIAL SUBAREA UNIFORM DEVELOPMENT:IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 870.00 UPSTREAM ELEVATION = 1290.02 DOWNSTREAM E = 1275.00 ELEVATION DIFFERENCE = 15.02 TC = . 303* 1 ( 870. 00 * *3) / ( 15.02) ] * *. 2 = 10.232 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 4.248 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8352 SUBAREA RUNOFF(CFS) = 18.81 TOTAL AREA(ACRES) = 5.30 TOTAL RUNOFF(CFS) = 18.81 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 16.00 10 NODE 16.w@ 1S CODE = 1 >> > >> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >)) > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 10.23 RAINFALL INTENSITY (INCH. /HOUR) = 4.25 TOTAL STREAM AREA (ACRES) = 5.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 18.81 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------- 1 28.62 10.53 4.177 2 18.81 10.23 4.248 LJ RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 47.11 46.63 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 47.11 TIME(MINUTES) = 10.525 TOTAL AREA(ACRES) = 14.20 **************************************************************************** FLOW PROCESS FROM NODE 16.00 lO NODE 24.00 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTImE THRU SUBAREA((((( )>}>>USlNG COMPUTER-ESTIMATED PIPESlZE (NON-PRESSURE FLOW)((((( DEPT* OF FLOW IN 30.0 INCH PIPE IS 23.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.5 UPSTREAM NODE ELEVATION = 1275.00 DOWNSTREAM NODE ELEVATION = 1253.00 FLOWLENGTH(FEET) = 1430.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUM9ER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 47.11 TRAVEL TlME(MIN.) = 2.07 TC(MIN.) = 12.60 ****** *** ***** FLOW PROCESS FROM NODE 24.00 TO NODE 24.00 IS CODE = I ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.60 RAINFALL INTENSITY (INCH./HOUR) = 3.75 TOTAL STREAM AREA-(ACRES) = 14.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENLE = 47.11 ******************************************* **************** FLOW PROCESS FROM NODE 704.00 TO NODE 18.00 IS CODE = 2 ____________________________________________________________________________ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM �� DEVELOPMENT IS: COMMERCIAL �� �m� TO = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 720.00 UPSTREAM ELEVATION = 1280.00 DOWNSTREAM ELEVATION = 1268.00 ELEVATION DIFFERENCE = 12.00 TO = .303*[( 720.00**3)/( 12.00)]**.2 = 9.553 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.427 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8358 SUBAREA RUNOFF(CFS) = 21.46 TOTAL AREA(ACRES) = 5.80 TOTAL RUNOFF(CF9) = 21.46 **************************************************************************** FLOW PROCESS FROM NODE 18.00 TO NODE 24.00 IS CODE = 6 ---------------------------------------------------------------------------- >>MCOMPUTE STREETFLOW TRAVELTImE THRU SUBAREAM(( ============================================================================ UPSTREAM ELEVATION = 1268.00 DOWNSTREAM ELEVATION = 1253.00 STREET LENGTH(FEET) = 1000.00 CURB HElGTH(INCHES) = 8. STREET HALFWlDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTlME COMPUTED USING MEAN FLOW(CFS) = 23.76 STREET FLOWDEPTH(FEET) = .65 HALFSTREET FLOODWlDTH(FEET) = 18.84 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.78 PRODUCT OF DEPTH&VELOCITY = 3.12 STREETFLOW TRAVELTIME(MIN) = 3.49 TC(MIN) = 13.04 Lm �mm.uW ;EHH RAINFALL lm[ENSllY(iwC*/*UUR) = 3.673 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8329 SUBAREA AREA(ACRES) = 1.50 SUBAREA RUNOFF(CFS) = 4.59 SUMMED AREA(ACRES) = 7.30 TOTAL RUNOFF(CFS) = 26.05 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .67 HALFSTREET FLOODWIDTH(FEET) = 19.53 FLOW VELOCITY(FEET/SEC.) = 4.89 DEPTH*VELOCITY = 3.29 **************************************************************************** FLOW PROCESS FROM NODE 24.00 TO NODE 24.00 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM F/'R CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.04 RAINFALL INTENSITY (INCH./HOUR) = 3.67 TOTAL STREAM AREA (ACRES) = 7.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 26.05 ********* ****************** FLOW PROCESS FROM NODE 706.00 TO NODE 97.00 IS CODE = 2 ---------------------------------------------------------------------------- >}>>>RATlONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 4b0.00 UPSTREAM ELEVATION = 1273.00 DOWNSTREAM ELEVATION = 1269.00 ELEVATION DIFFERENCE = 4.00 TC = .303*[( 450.00**3)/( 4.00)]**.2 = 8.976 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.596 �-^ SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8363 SUBAREA RUNOFF(CFS) = 7.69 TOTAL AREA(ACRES) = 2.00 TOTAL RUNOFF(CFS) = 7.69 *************************************************** ***** FLOW PROCESS FROM NODE 97.00 TO NODE 22.00 IS CODE = 6 ____________________________________________________________________________ >>>}}COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( ============================================================================ UPSTREAM ELEVATION = 1269.00 DOWNSTREAM ELEVATION = 1260.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 26.00 STREET CROSSFALL<DECIMAL> = .0280 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 7.69 STREET FLOWDEPTH(FEET> = .48 HALFSTREET FLOODWIDTH(FEET) = 11.94 AVERAGE FLOW VELOClTY(FEET/SEC.) = 3.54 PRODUCT OF DEPTH&VELOClTY = 1.69 STREETFLOW TRAVELTIME(MIN) = 3.06 TC(MIN) = 12.03 100.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 3.855 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8337 SUBAREA AREA(ACRES) = 0.00 SUBAREA RUNOFF(CFS) = 0.00 SUMMED AREA(ACRES) = 2.00 TOTAL RUNOFF(CFS) = 7.69 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .48 HALFSTREET FLOODWlDTH(FEET) = 11.94 FLOW VELOClTY(FEET/GEC.) = 3.54 DEPTH*VELOCI7Y = 1.69 FLOW PROCESS FROM NODE 705.00 1 "0 NODE 22.WO IS CODE = 8 > > > >> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( --------------------------------- 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.855 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8337 SUBAREA AREA(ACRES) = 7.60 SUBAREA RUNOFF(CFS) = 24.42 TOTAL AREA(ACRES) = 9.60 TOTAL RUNOFF(CFS) = 32.11 TC(MIN) = 12.03 FLOW PROCESS FROM NODE 708.00 1'0 NODE 22.00 IS CODE = e ---------------------------------------------------------------------------- )))) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.855 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8337 SUBAREA AREA(ACRES) = 3.40 SUBAREA RUNOFF(CFS) = 10.93 TOTAL AREA(ACRES) = 13.00 TOTAL RUNOFF(CFS) = 43.04 TC(MIN) = 12.03 FLOW PROCESS FROM NODE 22.00 TO NODE 24.00 IS CODE = 3 ) ))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >))) )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( ------------------------------- DEPTH OF FLOW IN 2 27.0 INCH PIPE IS 20.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.6 UP-STREAM NODE ELEVATION = 1260.00 DOWNSTREAM NODE ELEVATION = 1253.00 FLOWLENGTH(FEET) = 280.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 43.04 TRAVEL TIME(MIN.) = .34 TC(MIN.) = 12.38 FLOW PROCESS FROM NODE 24.00 TO NODE 24.wO IS CODE = 1 ---------------------------------------------------------------------------- >>>)>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ))) > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 12.38 RAINFALL INTENSITY (INCH. /HOUR) = 3.79 TOTAL STREAM AREA (ACRES) = 13.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 43.04 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 47.11 12.60 3.750 2 26.05 13.04 3.673 3 43.04 12.38 3.790 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO ® FORMULA(SBC) USED FOR 3 STREAMS. VHH OUS LONrLUtNCEU RUNurr VALUES ARE AS rULLUWS: 114.86 113.91 114.04 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 114.86 TIME(MINUTES) = 12.599 TOTAL AREA(ACRES) = 34.50 FLOW PROCESS FROM NODE 24.160 TO NODE 24.00 IS CODE = 1 ---------------------------------------------------------------------------- )))> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.60 RAINFALL INTENSITY (INCH. /HOUR) = 3.75 TOTAL STREAM AREA (ACRES) = 34.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 114.86 FLOW PROCESS FROM NODE 24.00 TO NODE 24.00 IS CODE = 7 ---------------------------------------------------------------------------- ) > >) )USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((( USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 15.81 RAIN INTENSITY(INCH /HOUR) = 3.27 TOTAL AREA(ACRES) :; 8.60 TOTAL RUNOFF(CFS) = 25.93 FLOW PROCESS FROM NODE 24.00 TO NODE 24.00 IS CODE = 1 ))) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ) )) > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE - VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.81 RAINFALL INTENSITY (INCH. /HOUR) = 3.27 TOTAL STREAM AREA (ACRES) = 8.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 25.93 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------- - - - - -- 1 114.86 12.60 3.750 2 23.93 15.81 3.272 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 135.52 126.16 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 135.52 TIME(MINUTES) = 12.599 TOTAL AREA(ACRES) = 43.10 FLOW PROCESS FROM NODE 24.00 10 NODE 26.00 IS CODE = 3 ---------------------------------------------------------------------- - - - - -- ) > >> )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ))> ))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.1 UPSTREAM NODE ELEVATION = 1253.00 uUW+vs i kcfilil i ZUUL ELEVN I" 1 UN = 1::4 /. V.I;Gl FLOWLENGTH(FEET) = 710.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 135.52 TRAVEL TIME(MIN.) = .98 TC(MIN.) = 13.58 FLOW PROCESS FROM NODE a6.00 1 - 0 NODE 26.00 IS CODE = 1 > ))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(( <(( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.58 RAINFALL INTENSITY (INCH. /HOUR) = 3.58 TOTAL STREAM AREA (ACRES) = 43.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 135.52 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ----------------------------------------------------------------------------- 1 135.52 13.56 3.585 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA (SBC) USED 'FOR 1 STREAMS. VARIOUS CONFLUENCED.RUNOFF VALUES ARE AS FOLLOWS: 135.52 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 135.52 TIME(MINUTES) = 13.580 TOTAL AREA(ACRES) = 43.10 END OF RATIONAL METHOD ANALYSIS H RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL (C) Copyright 1982 Advanced Engineering Software CAES] Especially prepared for: HALL & FOREMAN, INC. ((<(((< <((( <<((<(<<(<<( <(C < <C<(((((((0 ))>))) ))))) >)))))) >)))))>)))))) > >)))) * * * * * * * ** *DESCRIPTION OF RESULTS***** * * * * * * * * * * * * * * * * * ** * * * * ** * * * * ** • LATERAL D HYDROLOGY,FROM NODE 701.1 TO 24 • G4100 • AHMED SHEIKH, J.N. 3366, 3/12/87 ---------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------------------------------------------------------------- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 16.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software CAES] SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 701.10 TO NODE 701.aO IS CODE = 2 ---------------------------------------------------------------------------- ))> ))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 870.00 UPSTREAM ELEVATION = 1291.10 DOWNSTREAM ELEVATION = 1283.00 ELEVATION DIFFERENCE = 8.10 TC = . 303* C ( 870. 00 * *3) / ( 8.10) ] * *. 2 = 11.577 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.945 ® SOIL CLASSIFICATION IS "A" ^�'vt:�Lu�nLw. FWmu+F LuEr�iCltw/ = . J. SuBqREA RUNOFF(CFS) = 3.29 TOTAL AREA(ACRES) = 1.00 TOTAL RUNOFF(CFS) = 3.29 **************************************************** ********* FLOW PROCESS FROM NODE 701.00 TO NODE 16.10 IS CODE = 6 ~�~ -_-___-_--_____-____-_________--_________---_______________-___-____--____-_ >>)>>CompUTE STREETFLOW TRAVELTImE THRU SUBAREA((((( UPSTREAM ELEVATION = 1283.00 DOWNSTREAM ELEVATION = 1272.00 STREET LENGTH(FEET) = 640.00 CURB HEIGTH(INCHES) = 8. STREET HALFWlDTH(FEET) = 24.00 STREET CROSSFALL(DEClMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 4.43 STREET FLOWDEPTH(FEET) = .39 HALFSTREET FLQODWlDTH(FEET) = 9.22 AVERAGE FLOW VELOClTY(FEET/SEC.) = 3.35 PRODUCT OF DEPTH&VELOCITY = 1.32 STREETFLOW TRAVELTIME(MIN) = 3.18 TC(MlN) = 14.76 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.410 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFIClENT = .8316 SUBAREA AREA(ACRES) = .80 SUBAREA RUNOFF(CFS) = 2.27 SUMMED AREA(ACRES) = 1.80 TOTAL RUNOFF(CFS) = 5.56 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = ^41 HALFSTREET FLOODWlDTH(FEET) = 9.91 FLOW VELDClTY(FEET/SEC.) = 3.71 DEPTH*VELOCITY 1.53 **************************************************************************** FLOW PROCESS FROM NODE 16.10 TO NODE 16.10 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<<( �-` CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.76 RAINFALL INTENSITY (INCH./HOUR) = 3.41 TOTAL STREAM AREA (ACRES) = 1.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.56 FLOW PROCESS FROM NODE 317.20 TO NODE 16.10 IS CODE = 2 ____________________________________________________________________________ )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS; COMMERCIAL TC = K*C(LEw0T***3)/(ELEVATIOm CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1287.00 DOWNSTREAM ELEVATION = 1272.00 ELEVATION DIFFERENCE = 15.00 TC = .303*0 1000.00**3)/( 15.00)1**.2 = 11.127 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.040 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8344 SUBAREA RUNOFF(CFS) = 11.46 TOTAL AREA(ACRES) = 3.40 TOTAL RUNOFF(CFS) = 11.46 **************************************************************************** FLOW PROCESS FROM NODE 16.10 TO NODE 16.10 IS CODE = 1 ____________________________________________________________________________ +c. l u I�H I c i ldDt t a:.c:V i i s l __1 1rt r Uit Lol\' -UL' aLc t l l f C CONFLUEN VALUES USED FOR INDEPENDET STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.13 RAINFALL INTENSITY (INCH./HOUR) = 4.04 Awk TOTAL STREAM AREA (ACRES) = 3.40 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 11.46 FLOW PROCESS FROM NODE 317.30 TO NODE 16.10 IS CODE = 2 ---------------------------------------------------------------------------- )) >> )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW - LENGTH = 950.00 UPSTREAM ELEVATION = 1283.00 DOWNSTREAM ELEVATION = 1272.00 ELEVATION DIFFERENCE = 11.00 T C = .303*[( 950. 00 * *3) / ( 11.00) ] * *. 2 = 11. 480 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.965 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8341 SUBAREA RUNOFF(`CFS) = 6.8 TOTAL AREA(ACRES) '= 1.90 TOTAL RUNOFF(CFS) = 6.28 FLOW PROCESS FROM NODE 16.10 TO NODE 16.10 IS CODE = 1 )))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 11.48 RAINFALL INTENSITY (INCH. /HOUR) = 3.97 TOTAL STREAM AREA (ACRES) = 1.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 6.28 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 5.56 14.76 3.410 2 11.46 11.13 4.040 3 6.28 11.48 3.965 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 20.64 21.74 21.86 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 21.86 TIME(MINUTES) = 11.480 TOTAL AREA(ACRES) = 7.10 FLOW PROCESS FROM NODE 16.10 TO NODE 24.00 IS CODE = 6 ---------------------------------------------------------------------- )))) )COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION = 1273.00 DOWNSTREAM ELEVATION = 1253.00 STREET LENGTH(FEET) = 1250.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 24.00 ;=iTREET CROSSFALL(DECIMAL) = .0270 c lr ..cu ia - ;i Us hh�i_r:i i f{r_t. i j i_,riKK7 l,tib tc:JlVUhr = L * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 23.90 STREET FLOWDEPTH(FEET) _ .65 HALFSTREET FLOODWIDTH(FEET) = 18.84 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.81 PRODUCT OF DEPTH &VELOCITY = 3.14 STREETFLOW TRAVELTIME(MIN) = 4.33 TC(MIN) = 15.81 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) 3.27E SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8308 SUBAREA AREA(ACRES) = 1.50 SUBAREA RUNOFF(CFS) = 4.08 SUMMED AREA(ACRES) = 8.60 TOTAL RUNOFF(CFS) = 25.93 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .65 HALFSTREET FLOODWIDTH(FEET) = 18.84 FLOW VELOCITY(FEET /SEC.) = 5.22 DEPTH *VELOCITY = 3.41 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 24.00 TO NODE 24.00 IS CODE = i > > >> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( > > > )>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.81 RAINFALL INTENSITY (INCH. /HOUR) = 3.27 TOTAL STREAM AREA (ACRES) = 8.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 25.93 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 25.93 15.81 3. 272 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: r_'5. 93 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 25.93 TIME(MINUTES) = 15.812 TOTAL AREA(ACRES) = 8.60 END OF RATIONAL - METHOD ANALYSIS H A --------------------------------------- - - - - -- - RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL <<<<<<< C<<<<<<<<(<<<<<<<<<<<<<(<<((((())))>)> ) >))))) > > >))) >) > >) >) >) >) >) (C) Copyright 1982 Advanced Engineering Software CAES] Especially prepared for: HALL & FOREMAN, INC. * * * * * * * ** *DESCRIPTION OF RESULTS**+*** * * * * * * * * * * * * * ** ** * * * * * ** * * * * * ** * FOOTHILL DRAIN HYDROLOGY,LATERAL'F,LINE L * 0 25 (INDUSTRIAL AREA) * AHMED SHEIKH, J. N. 3366, 3/10/87 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ---------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------------------------------------------------------------- USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software CAES] SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 843.00 TO NODE 35.00 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW - LENGTH = 720.00 UPSTREAM ELEVATION = 1330.00 DOWNSTREAM ELEVATION = 1315.00 ELEVATION DIFFERENCE = 15.00 TC = .303*[( 720.00 * *3) / ( 15. 00) 1 * *. 2 = 9.136 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.564 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFTCTFNT uuyAREA RUNOFF(CFS) = 19.28 TOTAL AREA(ACRES) = 6.50 TOTAL RUNOFF(CFS) 19.28 ************************************************************ *** FLOW PROCESS FROM NODE 35.00 TO NODE 43.00 IS CODE = 6 ____________________________________________________________________________ ))))>COMPUTE STREETFLOW TRAVELTIME THRU SUB0REA{<{(< ============================================================================ UPSTREAM ELEVATION = 1315.00 DOWNSTREAM ELEVATION = 1304.00 STREET LENGTH(FEET) = 840.00 CURB HElGTH(lNCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 STREET CROSSF#LL(DEClMAL) = .0282 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 19.28 STREET FLOWDEPTH(FEET) = .63 HALFSTREET FLOODWIDTH(FEET) = 17.19 AVERAGE FLOW VELOClTY(FEET/SEC.) = 4.44 PRODUCT OF DEPTH&VELOCITY = 2.78 BTREETFLOW TRAVELTIME(MIN) = 3.15 TC(MJN) = 12.29 25.00 YEAR RAINFALL INTENSITY(INCH/HOUH) = 2.983 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8289 SUBAREA AREA(ACRES) = 0.00 SUBAREA RUNOFF(CFS) = 0.00 SUMMED AREA(ACRES) = 6.50 TOTAL RUNOFF(CFS) = 19.28 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .63 HALFSTREET FLOODWlDTH(FEET) = 17.19 FLOW VELOCITY(FEE7/SEC.) = 4.44 DEPTH*VELOClTV = 2.78 ******** -- FLOW PROCESS FROM NODE 843.10 TO NODE 43.00 IS CODE = 8 ____________________________________________________________________________ )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ============================================================================ 25.00 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 2.983 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8289 SUBAREA AREA(ACRES) = 1.10 SUBAREA RUNOFF(CFS) 0 2.72 TOTAL AREA(ACRES) = 7.60 TOTAL RUNOFF(CFS) =+. 22.00 TC(M1N) = 12.29 . ** FLOW PROCESS FROM NODE 43.00 TO NODE 43.00 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(((((. ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.29 RAINFALL INTENSITY (INCH./HOUR) = 2.98 TOTAL STREAM AREA (ACRES) = 7.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 22.00 *****************w********************************************************** FLOW PROCESS FROM NODE 842.00 TO NODE 43.00 IS CODE = 2 ---------------------------------------------------------------------------- >>MRATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATlON CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1321.00 DOWNSTREAM ELEVATION = 1304.01A ELEVATION DIFFERENCE = 17.00 TC = .303 *1( 1000.00 * *3) /( 17.00)] * *.2 = 10.852 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.214 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8304 SUBAREA RUNOFF(CFS) _ 20.55 TOTAL AREA(ACRES) = 7.70 TOTAL RUNOFF(CFS) = 20.55 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 43.00 TO NODE 43.00 IS CODE = 1 > >)) )DESIGNATE INDEPENDENT STREAM FOR CDNFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( sssssaassa= assaasa= asaas= s= sssssssssa= oassssoasssasssssossso= sss== sss= ass = == CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) 10.85 RAINFALL INTENSITY (INCH. /HOUR) = 3.21 TOTAL STREAM AREA (ACRES) = 7.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE _ 20.55 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 22.00 12.29 2.983 2 20.55 10.85 3.214 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 41.08 39.98 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 41.08 TIME(MINUTES) 12.287 TOTAL AREA(ACRES) = 15.30 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 43.00 TO NODE 44.00 IS CODE = 3 ) ))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )> )> )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)(((<( == sso= sssassoassxs== ssssssssss= osa =ov= ass= sas == === vsss== ss==== ss== sosss =s === DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.7 UPSTREAM NODE ELEVATION = 1304.00 DOWNSTREAM NODE ELEVATION = 1302.00 FLOWLENGTH(FEET) = 800.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 41.08 TRAVEL TIME(MIN.) = 2.34 TC(MIN.) = 14.62 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 841.00 TO NODE 44.00 IS CODE = 8 ---------------------------------------------------------------------------- ) > >> )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.687 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8266 SUBAREA AREA(ACRES) = 7.10 SUBAREA RUNOFF(CFS) = 15.77 TOTAL AREA(ACRES) = 22.40 TOTAL RUNOFF(CFS) = 56.85 TC(MIN) = 14.62 ****** ** ***** -- FLOW PROCESS FROM NODE 846.00 TO NODE 44.00 IS CODE = 8 ____________________________________________________________________________ )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ================================================================= 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.687 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT rUNOFF COEFFICIENT = .8266 SUBAREA AREA(ACRES) = 5.70 SUBAREA RUNOFF(CFS) = 12.66 TOTAL AREA(ACRES) = 28.10 TOTAL RUNOFF(CFS) = 69.51 TC(MIN) = 14.62 **************************************************************************** FLOW PROCESS FROM NODE 44.00 TO NODE 47.10 IS CODE = 3 ____________________________________________________________________________ )))))COMPUTE PIPEFLOW TRAVELTlME THRU SUBAREA((((( )))})USING COMPUTER-ESTIMATED PlPES%ZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 33.0 INCH PIPE IS 23.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.6 UPSTREAM NODE ELEVATION = 1302.00 DOWNSTREAM NODE ELEVATION = 1286.50 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAMEA(CFS) = 69.51 TRAVEL TIME(MlN.) = .64 TC(MIN.) = 15.26 *********************************************************** ****** FLOW PROCESS FROM NODE 47.10 TO NODE 47.10 IS CODE = 1 ________________________________________________________________--__-_____-- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(((<( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT S7REAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.26 RAINFALL INTENSITY (INCH./HOUR) = 2.62 TOTAL STREAM AREA (ACRES) = 28.10 . TOTAL STREAM RUNOFF(CFB) Ar CONFLUENCE = 69.5-1. CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 69.51 15.26 2.615 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 69.51 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNDFF(CFS) = 69.51 TIME(MINUTES) = 15.263 TOTAL AREA(ACRES) = 28.10 ============================================================================ END OF RATIONAL METHOD ANALYSIS 12 LATERAL F Q100 Iq - RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL (C) Copyright 1982 Advanced Engineering Software SAES] Especially prepared for: HALL R FOREMAN, INC. <((((<(<<(<<(<<<((((<<<<<<(((((<((<(< O>>>))) > > )))))))))))) > >> * * * * * * * ** *DESCRIPTION OF RtSULTS * * * ** * ** ** * * * * * * * * * * * * * * * * * ** * FOOTHILL DRAIN HYDROLOGY,LINE L,LATERAL F * D 100 * A. S. J. N. 3366, 2/ 10/87 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ------------------I---------------- ------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --------------------------------------------------------------------------- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE _ .6000 ® BBC HYDROLOGY MANUAL "C "- VALUES USED (<<(<(<(<((((<(<(<((< < < < <(((( < <((( ( (<<>))) >)))>) >) mm) >) > m) mm ) >)>>) Advanced Engineering Software CAES] SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 FLOW PROCESS FROM NODE 843.00 TO NODE 35.100 IS CODE _ ------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL - SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL "iC = K *[(LENGTH * *3) /(EL-EVATION CHANGE)] * *.? INITIAL SUBAREA FLOW- LENGTH = 720.00 UPSTREAM ELEVATION = 1330.00 DOWNSTREAM ELEVATION = 1315.00 ELEVATION DIFFERENCE = 1.5.00 - i C = . 303* C ( 720. 00 * *3) / ( 15.00) ] * *. 2 = 9.136 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 4.547 :OIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8363 SUBAREA RUNtOFF (CFS) _ 24.71 L - 1 ' ...,.xL.'.^ = L,.x° .�,. vi, . 'u/.`v-r :-,/^ **************************************************************************** FLOW PROCESS FROM NODE 35.00 70 NODE 43.60 I6 CODE = 6 �m� ---------------------------------------------------------------------------- �_� >>>>>COMPUTE STREETFLOW TRAVELTImE THRU SUBAREA<<<<< UPSTREAM ELEVATION = 1315.00 DOWNSTREAM ELEVATION = 1304.00 STREET LENGTH(FEET) = 840'0N CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 STREET CROSSFALL(DEClMAL) = .0282 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 24.71 NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .68 HALFSTREET FLOODWIDTH(FEET) = 19.06 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.67 PRODUCT OF DEPTH&VELOCITY = 3.17 STR2ETFLOW TRAVELTImE(MIm) = 3'00 TC(MIN) = 12.14 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.835 SOIL CLASSIFICATION IS ^A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8336 SUBAREA AREA(ACRESA = 0.00 SUBAREA RUNOFF(CFS) = 0'00 SUMMED AREA(ACRES) = 6.50 TOTAL RUNOFF(CFS) = 24.71 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .68 HALFSTREET FLOODW[DTH(FBET) = 19.06 FLOW VELOClTY(FEET/SEC.) = 4.67 DEPTH*VELOCITY = 3.17 **************************************************************************** FLOW PROCESS FROM NODE 843.10 TO NUDE 43.00 IS CODE = 8 ____________________________________________________________________________ 10 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<{<<< ============================================================================ 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.835 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8336 SUBAREA AREA(ACRES) = 1.10 SUBAREA RUNOFF(CFS) = 3.52 TOTAL AREA(ACRES) = 7.60 TOTAL RUNOFF(CFS) = 28.23 TC(MIN) = 12.14 **************************************************************************** FLOW PROCESS FROM NODE 43.00 TO NODE 43.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.14 RAINFALL INTENSITY (INCH./HOUR) = 3.83 TOTAL STREAM AREA (ACRES) = 7.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 28.23 **************************************************************************** FLOW PROCESS FROM NODE 842.00 TO NODE 43.00 IS CODE = 2 ---------------------------------------------------------------------------- }>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/<ELEVATION CHANGE>3**'2 ..�-,.". "Cl .,/ ~ ,oe".°'Ll UPSTREAM ELEVATION = 1321.00 DGWNSTREAM ELEVATION = 1304.00 ELEVATION DIFFERENCE = 17.00 TC = '303*[( 1000.00**3)/( 17.00)3**.2 = 10.852 100.00 YEAR RAINFALL INTENSlTY(lNCH/HOUR) = 4.101 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = '8347 SUBAREA RUNUFF(CFS) = 26.36 TOTAL AREA(ACRES) = 7.70 TOTAL RUNOFF(CFS) = 26.36 FLOW PROCESS FROM NODE 43.00 TO NODE 43.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>>AmD COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 10.85 RAINFALL INTENSITY (INCH./HOUR) = 4.10 TOTAL STREAM AREA (ACRES) = 7.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 26.36 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (lNCH/HOUR) ---------------^---------------------------------------------------------- 1 28.23 12.14 3.835 2 26'36 10.85 4.101 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORmULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 52'88 51.60 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: sUNOFF(CFS) = 52.88 TIME(MINUTES) = 12.137 TOTAL AREA(ACRES) = 15.30 ************************************************** *************** FLOA PROCESS FROM NODE 43.00 TO NODE 44.00 IS CODE = 3 ---------------------------------------------------------------------------- >>>/>COMPUTE PlPEFLOW TRAVELTImE THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<(<<( ============================================================================ DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.0 UPSTREAM NODE ELEVATION = 1304.00 DOWNSTREAM NODE ELEVATIUN = 1302.00 R-OwLENGTH(FEET) = 800.00 mAmNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 plPEFLOW THRU SuaAREA(CFS) = 52.88 TRAVEL TlmE(mIN.) = 2.21 TC(MIm.) = 14.35 **************************************************************************** FLOW PROCESS FROM NODE 841.00 70 NODE 44.00 IS CODE = 8 ---------------------------------------------------------------------------- ' >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.469 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8319 SUBAREA AREA(ACRES) = 7.10 SUBAREA RUNOFF(CFS) = 20.49 TOTAL AREA(ACRES) = 22.40 TOTHL RUNOFF(CFS) = 73.36 FLOW PROCESS FROM NODE 846.00 7O NODE 44.m0 IS CODE = 8 ____________________________________________________________________________ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<(( 100.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 3.469 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8319 SU8AREA AREA(ACRES) = 5.70 SUBAREA RUNOFF(CFS) = 16.45 TOTAL AREA(ACRES) = 28.10 TOTHL RUNOFF(CFS) = 89.81 TC(MIN) = 14.35 **************************************************************************** FLOW PROCESS FROM NODE 44.00 TO NODE 47.10 IS CODE = 3 ---------------------------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTlmE THHU SUBAREA((((( >)>>)USlNG COMPUTER-ESTIMATED PIPsSlZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 36.0 INCH PIPE IS 25.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.6 uPSrnsAw NODE ELEVATION = 1302.00 DOWNSTREAM NODE ELEVATION = 1286.50 FLOWLENGTH(FEET) -, 600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 89.81 TRAVEL TIME(MIN.) = .60 TC(MIN.) = 14.95 FLOW PROCESS FROM NODE 47.10 TO NODE 47.10 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >)>>>AwD COMPUTE VARIOUS CONFLUEwCED STREAM VALUES<(<(< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.95 RAINFALL INTENSITY (INCH./HOUR) = 3,38 TOTAL STREAM AREA (ACRES) = 28.10 70TAL STREAM RUNOFF(CFS) AT CONFLUENCE = 89.81 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (lNCH/hOUR) ___________________________________________________________________ 1 89.81 14.95 3.384 RAINFALL INTENSITY AND TIME OF CONCENTRATION ROTIO FORMULA(SBC) USED FOR 1 STREAMS. vAR[OUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 89.81 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RuNOFF(CFS) = 89.81 TIME(MINUTES) = 14.947 TOTAL AREA(ACRES) = 28.10 END OF RATIONAL METHOD ANALYSIS 1�q !G",; ow * FOOTHILL DRAIN HYDROLOGY,LATERAL M * * Q 25 * * A*mED SHEIK*,J.m.3551,3/5/87 * **************************************************************************** ---------------------------------------------------------------------------- ' USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ____________________________________________________________________________ USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 10-YEAR STORM 60-MINUTE INTENSlTY(lNCH/H0JR) = .980 - 100-YEAR STORM 60-MINUTE INTENSlTY(lNCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1-HOUR INTENSITY(INCH/HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C"-VALUES USED <<<(<(<(<<<<<(<<<(((<(<<<<((<<<(<<<<( 0}>>>>>>>>}>))>>}>>>)>>>>>>)>>}>>>>>>} Advanced Engineering Software [AES] SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 <(((((< 0>>}>>>>>>>>>>>>>>>}>>>)>>>}}>>>>>}>>> **************************************************************************** FLOW PROCESS FROM NODE 300.10 TO NODE 180.10 IS CODE = 2 ---------------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1291.10 DOWNSTREAM ELEVATION = 1281.32 ELEVATION DIFFERENCE = 9.78 TC = .393*[( 1000.00**3)/( 9.78)1**.2 = 15.699 25.00 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 2.575 SOIL CLASSIFICATION IS "A" ^ .'^-.`^'~ ....`� �I . I ��.0 %BAREA RUNOFF(CFS) = 2.25 TOTAL AREA(ACRES) = 1.20 TOTAL RUNOFF(CFS) 2.25 FLOW PROCESS FROM NODE 180.10 TO NODE 300.00 IS CODE = 6 ---------------------------------------------------------------------------- >>>>>COMPUTE STREETFLOW TRAVELTIwE THRU SUBAREA({{(( UPSTREAM ELEVATION = 1281.32 DOWNSTREAM ELEVATION = 1268.50 STREET LENGTH(FEET) = 930.00 CURB HEIGTH(INCHES) = 6. STREET HALFWlDTH(FEET) = 20.00 STREET CROSSFALL(DECIMAL) = .0270 SPECIFIED NUMBER OF HALFSTgEETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 2.25 STREET FLOWDEPTH(FEET) = .32 HALFSTREET FLOODWIDTH(FEET) = 7.57 AVERAGE FLOW VELOClTY(FEET/SEC.) = 2.54 PRODUCT OF DEPTH&VELOCITY = .81 STREETFLOW TRAVELTIME(MIN) = 6.09 TC<MlN> = 21.79 25.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 2.115 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7013 SUBAREA AREA(ACRES) = @.NN SUBAREA RUNOFF(CFS) = 0.00 SUMMED AREA(ACRES) = 1.20 TOTAL RUNOFF(CFS) = 2.25 END OF SUBAREA STRIETFLOW HYDRAULICS: DEPTH(FEET) = .32 HALFSTREET FLODDWIDTH(FEET) = 7.57 FLOW VELOClTY(FEET/SEC.) = 2.54 DEPTH*VELOClTY = .81 FLOW PROCESS FROM NODE 300.50 TO NODE 300.00 IS CODE = 8 ---------------------------------------------------------------------------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<( �-� 25.00 YEAR RAINFALL JNTENSITY(lNCH/HOUR) = 2.115 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7013 SUBAREA AREA(ACRES) = .90 SUBAREA RUNOFF(CFS) = 1.34 TOTAL AREA(ACRES) = 2'10 TOTAL RUNOFF(CFS) = 3.58 TC(MIN) = 21.79 **************************************************************************** FLOW PROCESS FROM NODE 300.00 TO NODE 300.00 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.79 RAINFALL INTENSITY (INCH./HOUR) = 2.12 TOTAL STREAM AREA (ACRES) = 2.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.58 FLOW PROCESS FROM NODE 300.20 TO NODE 300.m0 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 1800.00 UPSTREAM ELEVATION = 1291.00 ELEVATION DIFFERENCE = 22.50 TC = . 393* C ( 1800. 00 * *3) / ( 22.50) ] * *. 2 = 18.909 25.00 YEAR RAINFALL !NTENSITY(INCH /HOUR) = 2.303 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7135 SUBAREA RUNOFF(CFS) = 13.97 TOTAL AREA(ACRES) = 8.50 TOTAL RUNOFF(CFS) = 13.97 FLOW PROCESS FROM NODE 300.00 TO NODE 300.00 IS CODE = 1 ----------------------------------------------------------------------------- >) >> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ))) >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((( << CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 18.91 RAINFALL INTENSITY (INCH. /HOUR) 2.30 TOTAL STREAM AREA (ACRES) = 8.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.97 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) -----------------*------------------------------------ 1 3.58 21. 79 2.115 13.97' 18.91 2.303 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 16.41 17.08 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 17.08 TIME(MINUTES) 18.909 TOTAL AREA(ACRES) = 10.60 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.30 TO NODE 300.uO IS CODE = e >) >> )ADDITION OF SUBAREA TO MAINLINE PEAK. FLOW (((( 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.303 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7135 SUBAREA AREA(ACRES) = 7.00 SUBAREA RUNOFF(CFS) = 11.50 TOTAL AREA(ACRES) = 17.60 TOTAL RUNOFF(CFS) = 28.58 TC(MIN) = 18.91 FLOW PROCESS FROM NODE 300.40 TO NODE 300. w0 IS CODE = 8 ---------------------------------------------------------------------------- > >) ))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.303 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7135 SUBAREA AREA(ACRES) = 3.80 SUBAREA RUNOFF(CFS) = 6.24 TOTAL AREA(ACRES) = 21.40 TOTAL RUNOFF(CFS) = 34.83 TC (MIN) = 18.91 FLOW PROCESS FROM NODE_ 300.00 TO NODE 311.00 IS CODE = 3 --------------------- >>>}>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<(<(< >>>>>uSIwG COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)(<<(< DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.2 UPSTREAM NODE ELEVATION = 1268.50 DOWNSTREAM NODE ELEVATION = 1264.40 FLOWLENGT*(FEET) = 560.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 34.83 TRAVEL TIME(MIN.) = 1.13 TC(MIN.) = 20.04 **************************************************************************** FLOW PROCESS FROM NODE 310.10 TO NODE 311.00 IS CODE = 8 ---------------------------------------------------------------------------- >)>>>ADDITlON OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.224 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7008 SUBAREA AREA(ACRES) = 3.10 SUBAREA RUNOFF(CFS) = 4.89 TOTAL AREA(ACRES) = 24.50 TOTAL RUNOFF(CFS) = 39.71 TC(MIN) = 20.04 .� FLOW PROCESS FROM NODE 310.20 TO NODE 311.00 IS CODE = 8 ---------------------------------------------------------------------------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((( ============================================================================ 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.224 _ SOIL CLASSIFICATION IS "A" SINGLE-FAMlLY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7086 SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOFF(CFS) = 8.83 TOTAL AREA(ACRES) = 30.10 TOTAL RUNOFF(CFS) = 48.54 TC(MIN) = 20.04 ********************************************************** ** FLOW PROCESS FROM NODE 310.30 TO NODE 311.00 IS CODE = 8 ---------------------------------------------------------------------------- >}}>>ADDITIDN OF SUBAREA TO MAINLINE PEAK FLOW<<((( 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.224 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7086 SUBAREA AREA(ACRES) ~ 5.60 SUBAREA RUNOFF(CFS) = 8.83 TOTAL AREA(ACRES) = 35'70 TOTAL RUNOFF(CFS) = 57.36 TC(MIN) = 20.04 **************************************************************************** FLOW PROCESS FROM NODE 311.00 TO NODE 311.mO IS CODE = 1 ____________________________________________________________________________ >>>>>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 20.04 RAINFALL INTENSITY (INCH./HOUR) = 2.22 TOTAL STREAM AREA (ACRES) = 35.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 57.36 **************************************************************************** ____________________________________________________________________________ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSlS<<<<< ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE>]**.2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1272.60 DOWNSTREAM ELEVATION = 1264.40 ELEVATION DIFFERENCE = 8'20 TC = .393*[( 1000.00**3)/( 8.20)3**.2 = 16.263 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.521 SOIL CLASSIFICATION IS "A'' SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7253 SUBAREA RUNOFF(CFS) = 1.46 TOTAL AREA(ACRES) = .80 rOTAL RUNOFF(CFS) = 1.46 **************************************************************************** FLOW PROCESS FROM NODE 311.00 TO NODE 311.00 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES(<<<( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 16.26 RAINFALL INTENSITY (INCH./HOUR) = 2.52 TOTAL STREAM AREA (ACRES) = .80 TOTAL STREAM RUNOFF<CFS> AT CONFLUENCE = 1.46 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY � NUMBER (CFS) (MIN.) (INCH/HOUR) ________________________________________________________________________ 1 57.36 20.04 2.224 2 1.46 16.26 2.521 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 S[REAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 58.65 48.01 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUmOFF(CFS) = 58.65 TIME(MINUTES) = 20.043 TOTAL AREA(ACRES) = 36.50 **************************************************************************** FLOW PROCESS FROM NODE 311.00 TO NODE 315.00 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW(((( DEPTH OF FLOW IN 36.0 INCH PIPE IS 26.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.5 UPSTREAM NODE ELEVATION = 1264.40 DOWNSTREAM NODE ELEVATION = 1255.50 FLOWLENGTH(FEET) = 880.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SU8AREA(CFS) = 58.65 TRAVEL TIME(MIN.) = 1.40 TC(M[N.) = 21.45 **************************************************************************** FLOW PROCESS FROM NODE 315.10 TO NODE 05.00 IS CODE = 8 ____________________________________________________________________________ ' �� 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.136 SOIL CLASSIFICATION IS "A'' SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7027 SUBAREA AREA(ACRES) = 12.50 SUBAREA RUNUFF(CFS) = 18.76 TOTAL AREA(ACRES) = *9.00 TOTAL RUNOFF(CFS) = 77.41 ' TC(MIN) = 21.45 **************************************************************************** FLOW PROCESS FROM NODE 315.40 TO NODE 315.00 IS CODE = a ____________________________________________________________________________ >>>>>ADDITIDN OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.136 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7027 SUBAREA AREA(ACRES) = .70 SUBAREA RUNOFF(CFS) = 1.05 TOTAL AREA(ACRES) = 49.70 TOTAL RUNOFF(CFS) = 78.47 TC(MIN) = 21.45 FLOW PROCESS FROM NODE 315.00 TO NODE 3&0.00 I8 CODE = 3 >>>>>COMPUTE PIPEFIOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.8 UPSTREAM NODE ELEVATION = 1255.50 DOWNSTREAM NODE ELEVATION = 1251.00 FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 78.47 1 0 TRAVEL TIME(MIN.) = .77 ' TC(MIN.) = 22.21 **************************************************************************** FLOW PROCESS FROM NODE 320.00 TO NODE 320.00 IS CODE = � ---------------------------------------------------------------------------- >>>>>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.21 RAINFALL INTENSITY (INCH./HOUR) = 2.09 TOTAL STREAM AREA (ACRES) = 49.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 78.47 **************************************************************************** FLOW PROCESS FROM NODE 321.00 TO NODE 321.10 IS CODE = 2 ---------------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 400.00 UPSTREAM ELEVATION = 1257.90 DOWNSTREAM ELEVATION = 1257.00 ELEVATION DIFFERENCE = .90 TC = .393*[( 400.00**3)/( .90)3**.2 = 14.599 25.00 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 2.690 SOIL CLASSIFICATION IS "A" SUBAREA RUNUFF(CFS) = 4.3+ TOTAL AREA(ACRES) = 2.20 rOTAL RUNOFF(CFS) = 4.34 c **************************************************************************** FLOW PROCESS FROM NODE 321.10 TO NODE 321.20 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USImG COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ ESTIMATED PIPE DIAMETER<INCH> INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.2 INCHES PIPEFLOW VB-OCITY(FEET/SEC.) = 6.6 UPSTREAM NODE ELEVATION = 1257.00 DOWNSTREAM NODE ELEVATION = 1253.00 FLOWLENGTH(FEET) = 250.00 MAmNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 4.34 TRAVEL TIME<MlN.> = .63 TC(MlN.) = 15.23 FLOW PROCESS FROM NODE 322.00 TO NODE 321.20 IS CODE = 8 ____________________________________________________________________________ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 25.00 YEAR RAINFALL SOIL CLASSIFICATION IS SINGLE-FAMILY<1/4 ACRE SUBAREA AREA(ACRES) = TOTAL AREA(ACRES) = TC(MIN) = 15.23 [NTENSITY(lNCH/HOUR) = 2.623 " LOT) RUNOFF COEFFICIENT = .7301 2.60 SUBAREA RUNOFF(CFS) = 4.98 4.80 TOTAL RUNOFF(CFS) = 9.32 ******************************** % m; FLOW PROCESS FROM NODE 321.20 TO MODE 320.00 IS CODE = 3 _ ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTlME THRU SUBAREA<<<(< >>)>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<((< DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.6 UPSTREAM NODE ELEVATION = 1253.00 DOWNSTREAM NODE ELEVATION = 1251'00 FLOWLENGTH(FEET) = 200.00 MANNINGS m = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 9.32 TRAVEL TIME(MIN.) = '51 TC(wzm.) = 13'74 **************************************************************************** FLOW PROCESS FROM NODE 320.00 TO NODE 320.m0 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.74 RAINFALL INTENSITY (INCH./HOUR) = 2.57 TOTAL STREAM AREA (ACRES) = 4.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.32 ' CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MlN.) (INCH/HOUR) � 78.47 22.2i 2.N9z 2 9'32 15.74 2.571 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. �-^ VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: ' 86.04 64.91 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUmOFF(CFS) = 86.04 TIME(MINUTES) = 22.214 TOTAL AREA(ACRES) = 54.50 FLOW PROCESS FROM NODE 320.00 TO NODE 326.10 IS CODE = 3 >>>>>COMPUTE PlPEFLOW TRAVELTIME THRU SUBAREA((((( >)>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)(<(<( DEPTH OF FLOW.lN 36.0 INCH PIPE IS 29.2 INCHES PlPEFLOW VELOCITY(FEET/SEC.) = 14.0 UPSTREAM NODE ELEVATION = 1251.00 DOWNSTREAM NODE ELEVATION = 1240.31 FLOWLENGTH(FEET) = 600.00 MANNINGG m = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 86.04 TRAVEL TIME(MIN.)'o .71 TC(MlN.) = 22.93 **************************************************************************** FLOW PROCESS FROM NODE 326.10 TO NODE 326.10 IS CODE = 1 ---------------------------------------------------------------------------- >>>})DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<<<< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) 22.93 RAINFALL INTENSITY (INCH./HOUR) = 2.05 - TOTAL STREAM AREA (ACRES) = 54.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 86.04 **************************************************************************** FLOW PROCESS FROM NODE 325.00 TO NODE 325.10 IS CODE = 2 ---------------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) To = K*c(LEN8T***3)/(ELEvnTIoN CHAwGE)]**'2 INITIAL SUBAREA FLOW-LENGTH = 500.00 UPSTREAM ELEVATION = 1258.10 DOWNSTREAM ELEVATION = 1251.00 ELEVATION DIFFERENCE = 7.10 TC = .393*[( 500.00**3)/( 7.10)3**.2 = 11.043 25.00 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 3.181 SOIL CLASSIFICATION IS "A" SINGLE-FAMlLY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7511 SUBAREA RUNOFF(CFS) = 16.72 TOTAL AREA(ACRES) = 7.00 TOTAL RUNOFF(CFS) = 16.72 **************************************************************************** FLOW PROCESS FROM NODE 325.10 TO NODE K6.10 lS CODE = 3 ---------------------------------------------------------------------------- >>>>>COMPUTE PIPEFLUW TRAVELTIME THRU SUBAREA<<(<( >>>>>USING COMPUTER-ESTIMATED PIPESlZE (NON-PRESSURE FLOW)<<<(< DEPTH OF FLOW IN 21.0 INCH RIPE I5 13..E INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.7 UPSTREAM NODE ELEVATION = 1251.00 DOWNSTREAM NODE ELEVATION = 1240.31 FLOWLENGTH(FEET) = 450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) _ 21.00 NUMBER OF PIPES RIPEFLOW THRU SUBAREA(CFS) = 16.72 TRAVEL TIME(MIN.) = .70 TC(MIN.) = 11.74 FLOW PROCESS FROM NODE 36.00 TO NODE 32:6.10 IS CODE = 8 ---------------------------------------------------------------------- - - - - -- > >> > >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.065 SOIL CLASSIFICATION IS ''A'' SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7474 SUBAREA AREA(ACRES) = 6.80 SUBAREA RUNOFF(CFS) = 15.58 TOTAL AREA(ACRES) = 13.80 TOTAL RUNOFF(CFS) = 32.30 TC(MIN) = 11.74 FLOW PROCESS FROM NODE 326.10 TO NODE 32:6.10 IS CODE = 1 > > >) >DESIGNATE-INDEPENDENT STREAM FOR CONFLUENCE((((( > >) > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.74 RAINFALL INTENSITY (INCH. /HOUR) = 3.07 TOTAL STREAM AREA (ACRES) = 13.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 32.30 CONFLUENCE INFO STREAM RUNOFF NUMBER (CFS) 1 86.04 2 32.30 2MATION: TIME INTENSITY (MIN.) (INCH /HOUR) 22.93 2.052 11.74 3.065 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 107.66 76.37 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 107.66 TIME(MINUTES) = 22.929 TOTAL AREA(ACRES) = 68.30 FLOW PROCESS FROM NODE 326.10 TO NODE 300.00 IS CODE = 3 --------------------------------------------------------------------------- >)>>)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <(((( )) >> )USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.1 UPSTREAM NODE ELEVATION = 1240.31 DOWNSTREAM NODE ELEVATION = 1236.30 FLOWLENGTH(FEET) = 270.00 MANNINGS N = .013 ESTIMATED RIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 107.66 TRAVEL TIME(MIN.) = .32 TC(MIN.) = 23.25 **************************************************************************** FLOW PROCESS FROM NODE 330.10 TO NODE 310.00 IS CODE = a ____________________________________________________________________________ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW(<<<( ' 25'00 YEAR RAINFALL INTEwSITY(INCH/HOUR) = 2.035 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .6954 SUBAREA AREA(ACRES) = 1.90 SUBAREA RUNOFF(CFS) = 2.69 TOTAL AREA(ACRES) = 70.20 TOTAL RUNOFF(CFS) = 110.35 TC(MIN) = 23.25 **************************************************************************** FLOW PROCESS FROM NODE 330.20 TO NODE W.00 IS CODE = 8 ---------------------------------------------------------------------------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<( 25.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 2.035 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .6954 SUBAREA AREA(ACRES) = 2.60 SUBAREA RUNOFF(CFS) = 3.68 TOTAL AREA(ACRES) = 72.80 TOTAL RUNOFF(CFS) = 114.03 TC(MIN) = 23.£5 FLOW PROCESS FROM NODE 330.30 TO NODE 330.00 IS CODE = 8 ---------------------------------------------------------------------------- ))?))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW(<(<( ============================================================================ 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.035 SOIL CLASSIFICATION IS "A" SINGLE-FAMlLY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .6954 SUBAREA AREA<ACRES) = 1.10 SUBAREA RUNOFF(CFS) = 1.56 TOTAL AREA(ACRES) = 73.90 TOTAL RUNOFF(CFS) = 115.59 TC(MlN) = 23.25 FLOW PROCESS FROM NODE 330.40 TO NODE 300.00 IS CODE = 8 ____________________________________________________________________________ >>>>>ADDITlDN OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCn/HOUR) = 2.035 SOIL CLASSIFICATION IS "A" ezwoLs-Fmnzu/(1/* mznE LOT) RUNOFF COEFFICIENT = .6954 SUBAREA AREA(ACRES) = 1.10 SUBAREA RUNOFF(CFS) = 1.56 TOTAL AREA(ACRES) = 75'00 TOTAL RUNOFF(CFS) = 117.14 TC(MIN) ~ 23.25 **************************************************************************** FLOW PROCESS FROM NODE 330.00 TO NODE 340.mN IS CODE = 3 >>>>>COMPUTE PlPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PlPESIZE (NON-PRESSURE FLOWMM DEPTH OF FLOW IN 57.0 INCH PIPE IS 42.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.2 UPSTREAM NODE ELEVATION = 1236.30 ' DOWNSTREAM NODE ELEVATION = 1236.10 FLOWLENGTH(FEET) = 60.00 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 TRAVEL TIME(MIN.) = .12 TC(MIN.) = 23.37 **************************************************************************** FLOW PROCESS FROM NODE 3*0.10 TO NODE 3+0.00 IS CODE = 8 ---------------------------------------------------------------------------- >>>>>ADDIrION OF SUBAREA TO MAINLINE PEAK R-OW<<<<< 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.028 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .6949 SUBAREA AREA(ACRES) = 3.90 SUBAREA RUNOFF(CFS) = 5.50 TOTAL AREA(ACRES) = 78.90 TOTAL RUNOFF(CFS) = 122.64 TC(MIN) = 23.37 **************************************************************************** FLOW PROCESS FROM NODE 340.20 TO NODE 340.00 IS CODE = 8 --------------- m----------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.028 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .6949 SUBAREA AREA(ACRES) = 5.10 SUBAREA RUNOFF(CFS) = 7.19 TOTAL AREA(ACRES)',= 84.00 TOT*L RUNOFF(CFS) = 129.83 TC(MIN) = 23.37 FLOW PROCESS FROM NODE 340.00 TO NODE 341.00 IS CODE = 3 >>>>}COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>)>}USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 39.0 INCH PIPE IS 31.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.2 UPSTREAM NODE ELEVATION = 1236.10 DOWNSTREAM NODE ELEVATION = 1230.70 FLOWLENGTH(FEET) = 200.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 129.83 TRAVEL TIME(MIN.) = .18 TC(MIN.) = 23.55 FLOW PROCESS FROM NODE 350.10 TO NODE 3+1.00 IS CODE = 8 ____________________________________________________________________________ >>>>>ADDITION OF SUBAREA TO MAINLINE PEoK FLOW((((( 25.00 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 2.019 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .6942 SUBAREA AREA(ACRES) = 8.20 SUBAREA RUNOFF(CFS) = 11.49 TOTAL AREA(ACRES) = 92.20 TOTAL RUNOFF(CFS) = 141.32 TC(MIN) = 23.55 **************************************************************************** FLOW PROCESS FROM NODE 341.00 TO NODE 350.00 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVB-TIME THRU SUBAREA((((( >>>>}USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 60.0 INCH PIPE IS 47.4 INCHES . . - ._1., 1.1 L I I .1 L..._ . . - L. I... . .., L. - - 1 UPSTREAM NODE ELEVATION = 1230.70 DOWNSTREAM NODE ELEVATION = 1230.50 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 141.32 TRAVEL TIME(MIN. ) = .12 TC(MIN.) = 23.67 FLOW PROCESS FROM NODE 350.20 TO NODE 350. wO IS CODE = 8 ------------------------------------------------------------------•--------•-- )))) )ADDITION OF SUBAREA TO MAINLINE PEAI4 FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.013 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .6938 SUBAREA AREA(ACRES) = 13.50 SUBAREA RUNOFF(CFS) = 18.85 TOTAL AREA(ACRES) = 105.70 TOTAL RUNOFF(CFS) = 160.17 TC(MIN) = 23.67 FLOW PROCESS FROM NODE 350.00 TO NODE 360.10 IS CODE = 3 )))))COMPUTE RIPEFLOW TRAVELTIME THRU SUBAREA((((( ) >)))USING COMPUTFR- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( ---------------- - - - - -- - DEPTH OF FLOW IN 54.0 INCH PIFIE IS 40.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.6 UPSTREAM NODE ELEVATION = 1230.50 DOWNSTREAM NODE ELEVATION = 12x4.50 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 160.17 TRAVEL TIME(MIN.) = .92 TC(MIN.) = 24.60 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 )) )))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )) > >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( --------------- - - - -- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 24.60 RAINFALL INTENSITY (INCH. /HOUR) = 1.97 TOTAL STREAM AREA (ACRES) = 105.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 160.17 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 160.17 24.60 1.967 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 160.17 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 160.17 TIME(MINUTES) = 24.596 TOTAL AREA(ACRES) = 105.70 -------------------------------------- --- ------------------------------------ />>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<(<<< ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LEmGTH**3)/(ELEVATIDN cHANGE)3**.2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1241.30 DOWNSTREAM ELEVATION = 1227.00 ELEVATION DIFFERENCE = 14'30 TC = '393*[( 1000.00**3)/( 14.30)]**.2 = 14.551 25.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 2.695 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7333 SUBAREA RUNOFF(CFS) = 25.89 TOTAL AREA(ACRES) = 13.10 TOT*L RUNOFF(CFS) = 25.89 **************************************************************************** FLOW PROCESS FROM NODE 359.10 TO NODE 360.20 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<(<(< ============================================================================ DEPTH OF FLOW ,IN 24.0 INCH PIPE IS 17.3 INCHES PIPEFLOW VELOCITY'�FEET/SEC.> = 10.7 UPSTREAM NODE ELEVATION = 1230.00 DOWNSTREAM NODE ELEVATION = 1226.00 FLOWLENGTH(FEET) = 220.00 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.89 TRAVEL TIME(MIN.) = .34 TC(MIN.) = 14.89 AoWl FLOW PROCESS FROM NODE 360.20 TO NODE 360.L0 IS CODE = � ___________________________________________________________-_-________-_____ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<<<< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.89 RAINFALL INTENSITY (INCH./HOUR) = 2.66 TOTAL STREAM AREA (ACRES) = 13.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 25.89 **************************************************************************** FLOW PROCESS FROM NODE 315.30 TO NODE 358.10 IS CODE = 2 ____________________________________________________________________________ >>}>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 770.00 UPSTREAM ELEVATION = 1253.50 DOWNSTREAM ELEVATION = 1246.50 ELEVATION DIFFERENCE = 7.00 TC = .393*[( 770.00**3)/( 7.00)]**.2 = 14.349 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.718 SOIL CLASSIFICATION IS "A" SINGLE-FAMlLY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7343 SUBAREA RUNOFF(CFS) = 1.80 TOTAL AREA(ACRES) = .90 TOTHL RUNOFF<CFS> = 1.80 FLOW PROCESS FROM NODE 358.10 TO NODE 3S8.00 IS CODE = 6 ____________________________________________________________________________ >>>>>COMPUTE STREETFLOW TRAVELTINE THRU SU8AREA<(<(( UPSTREAM ELEVATION = 1246.50 DOWNSTREAM ELEVATION = 1236.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(lNCHES) = 8. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TgAVELTIME COMPUTED USING MEAN FLOw(CFG) = 2.48 STREET FLOWDEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 7.16 yVERAGE FLOW VELOCITY(FEET/SEC.) = 2.86 PRODUCT OF DEPTH&VELOCITY = .96 STREETFLOW TRAVELTIME(MIN) = 3.79 TC(MlN) = 18.14 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.361 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY/1/4 ACRE LOT) RUNOFF COEFFICIENT = .7168 SUBAREA AREA(ACRES) = .80 SUBAREA RUNOFF(CFS) = 1.35 SUMMED AREA(ACRES) = 1.70 TOTuL RUNOFF(CFS) = 3.15 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 7.84 FLOW VELOCITY(FEET/SEC.) = 3.13 DEPTH*VELOCITY = 1.11 .� FLOW PROCESS FROM NODE 358.00 TO NODE 360.20 IS CODE = 6 ---------------------------------------------------------------------------- >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<(< ============================================================================ UPSTREAM ELEVATION = 1236.00 DOWNSTREAM EwEVATION = 1226.00 STREET LENGTH(FEET) = 630.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 �-� **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3.75 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 8.53 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.24 PRODUCT OF DEPTH&VELOCITY = 1.21 STREETFLOW TRAVELTIME(MIN) = 3.24 TC(MIN) = 21.38 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.140 SOIL CLASSIFICATION IS "A" SINGLE-FAMlLY<1/4 ACRE LOT) RUNOFF COEFFICIENT = .7030 SUBAREA AREA(ACRES) = .80 SUBAREA RUNOFF(CFS) = 1.20 SUMMED AREWACRES> = 2.50 TOTAL RUNOFF(CFS) = 4.35 END OF SUBAREA STREETFLOW HvoRwuLzoo: DEPTH(FEET) = .39 HALFSTREET FLDODWlDTH(FEET) = 9.22 FLOW VELOCITY(FEET/SEC.) = 3.29 DEPTH*VELOCITY = 1.29 **************************************************************************** FLOW PROCESS FROM NODE 350.00 TO NODE 360.20 IS CODE = 8 ---------------------------------------------------------------------------- >>>>>ADDlTION OF SUBAREA TO MAINLINE PEAK FLOW<<(<< 25.00 YEAR RAINFALL SOIL CLASSIFICATION IS SINGLE-FAMILY(1/4 ACRE SUBAREA AREA(ACRES) = TOTAL AREA(ACRES) = TC(MIN) = 21.38 INTENSITY(INCH/HOUR) = 2.140 " LOT) RUNOFF COEFFICIENT = .7030 .90 SUBAREA RUNOFF(CFS) = 1.35 3.40 TOTAL RUNOFF(CFS) = 5.71 FLOW PROCESS FROM NODE 360.20 lO NODE 360.L0 iS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>>AND COMPUTE VARIOUS CONFLUENCED SreEAM VALUES{(((( CONFLUENCE VALVES USED FOR INDEPENDENT SrREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 21.38 RAINFALL INTENSITY (lNCH./HOUR> 2.14 TOTAL STREAM AREA (ACRES) = 3.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.71 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ 1 25.89 14.89 2.658 2 5.71 21.38 2.140 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 29.87 26.55 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: nUwOFF(CFS) = 29.87 TIME(MINUTES) = 14.895 TOTAL AREA(ACRES) = 16.50 **************************************************************************** FLOW PROCESS FROM NODE 360.20 TO NODE 360.10 IS CODE = 3 ------------------- --------------------------------------------------------- >>}>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.4 UPSTREAM NODE ELEVATION = 1226.00 DOWNSTREAM NODE ELEVATION = 1224.50 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 29.87 TRAVEL TIME(MIN.) = .06 TC(MlN.) = 14.96 **************************************************************************** FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGKATE INDEPENDENT STREAM FOR CONFLUENCE<<<<( )>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<(<( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.96 RAINFALL INTENSITY (INCH./HOUR) = 2.65 TOTAL STREAM AREA (ACRES) = 16.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 29.87 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 29.87 14.96 2.651 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 29.87 ` .'.`. ..`. ^'.. L,m... ,.^: .-, .o`��vq �,^ RLN0F7(CF3) = 29.87 TIME(MINUTES) = 14.957 TOTAL AREA(ACRES) = 16.50 FLOW PROCESS FROM NODE 380.00 TO NODE 360.10 IS CODE = 2 ____________________________________________________________________________ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSlS<<<<< ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 750.00 UPSTREAM ELEVATION = 1231.80 DOWNSTREAM ELEVATION = 1227.40 ELEVATION DIFFERENCE = 4.40 TC = .393*[( 750.00**3)/( 4.40)]**'2 = 15.499 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.595 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7288 SUBAREA RUNOFF(CFS) = 5.11 TOTAL AREA(ACRES) = 2.70 TOT*L RUNOFF(CFS) = 5.11 FLOW PROCESS FROM,NODE 380.10 lO NODE 380.10 l9 CODE = 3 ---------------~------------------------------------------------------------ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SU8AREA<<(<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<(<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 3.5 UPSTREAM NODE EuEVATION = 1227.40 DOWNSTREAM NODE ELEVATIUN = 1227.20 FLOWLEwGTH(FEE7) = 70.00 MANNlNGS N = .013 �-� ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 5.11 TRAVEL TIME(MIN.) = .33 TC(MIN.) = 15.83 **************************************************************************** FLOW PROCESS FROM NODE 380.20 TO NODE 360.20 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.83 RAINFALL INTENSITY (INC*./HOUR) = 2.56 TOTAL STREAM AREA (ACRES) = 2.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.11 **************************************************************************** FLOW PROCESS FROM NODE 360.00 TO NODE 38&h0 IS CODE = 2 ---------------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM -' DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATI0N CtiANGE)]**.2 lNITIAL SUBAREA FLOW-LENGTH = 1050.00 UPSTREAM ELEVATION = 1231.80 DOWNSTREAM ELEVATION = 1225.00 ELEVATION DIFFERENCE = 6.80 TC = '393*[( 1050.00**3>/( 6.80)3**.2 = 17.384 3O;L CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7202 SUBAREA RUNOFF(CFS) = 2.27 TOTAL AREA(ACRES) = 1.30 TOTHL RUNOFF(CFS) = 2.27 **************************************************************************** FLOW PROCESS FROM NODE 380.30 TO NODE 380.L0 IS CODE = 8 ____________________________________________________________________________ >>>>>ADDITIDN OF SUBAREA TO MAINLINE PEAK FLOW((((( =~========================================================================== 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.422 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7202 SUBAREA AREA(ACRES) = .50 SUBAREA RUNOFF(CFS) = .87 TOTAL AREA(ACRES) = 1.80 TOTAL RUNOFF(CFS) = 3.14 TC(MIN) = 17.38 ***************************************** *************** FLOW PROCESS FROM NODE 380.20 TO NODE 380.20 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VAQUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.38 RAINFALL INTENSITY (INCH./HOUR) = 2.42 TOTAL STREAM AREA (ACRES) = 1.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.14 **************************************************************************** FLOW PROCESS FROM NODE 650.10 TO NODE 29.00 IS CODE = 2 ____________________________________________________________________________ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[<LENGTH**3>/(ELEVATlON CHAN8E)3**.2 INITIAL SUBAREA FLOW-LENGTH = 2000.00 UPSTREAM ELEVATION = 1248.00 DOWNSTREAM ELEVATION = 1225.22 ELEVATION DIFFERENCE = 22.78 TC = .393*[( 2000.00**3)/( 22.78)]**.2 = 20.094 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.221 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7084 SUBAREA RUNOFF(CFS) = 5'68 TOTAL AREA(ACRES) = 3.61 TOTAL RUNOFF(CFS) = 5.68 FLOW PROCESS FROM NODE 29.00 10 NODE %0.10 IS CODE 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USING COMPUTER-ESTIMATED PIPESlZE (NON-PRESSURE FLOW)((((( =~========================================================================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.5 INCHES PIPEFLOW VELOClTY(FEET/SEC.) = 4.0 UPSTREAM NODE ELEVATION = 1225.22 DOWNSTREAM NODE ELEVATION = 1225.00 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 5.68 FLOW PROCESS FROM NODE 380.20 TO NODE 380.00 IS CODE = I ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>)>>AmD COMPUTE VARIOUS CONFLUEwCED S[REAM VALUES(<(<< CONFLUENCE VALUES USED FOR INDEPENDENT SrREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 20.34 RAINFALL INTENSITY (INCH./HOUR) = 2.20 TOTAL STREAM AREA (ACRES) = 3.61 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.68 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 5.11 15.83 2.562 2 3.�4 17.38 2.422 3 5.68 20.34 2.204 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FOqMULA(S8C) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 12.39 . 12.82 12.93 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = . 12.93 TIME(MINUTES) = 20.345 TOTAL AREA(ACRES) = 8.11 **************************************************************************** FLOW PROCESS FROM NODE 380.20 TO NODE 360.10 IS CODE = 3 ---------------------------------------------------------------------------- >>>>>COMPUTE PlPEFLOW TRAVELTlmE THRU SU8AREA<<(<< >>>>>USlNG COMPUTER-ESTIMATED PIPESIIE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 27.0 INCH PIPE IS 20.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 4.0 UPSTREAM NODE ELEVATION = 1225.00 DOWNSTREAM NODE ELEVATION = 1224.50 FLOWLEmGTH(FEET) = 230.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 12.93 TRAVEL TIwE(MlN.) = .95 TC(MIN.) = 21.30 **************************************************************************** FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.30 RAINFALL INTENSITY (INCH./HOUR) = 2.14 TOTAL STREAM AREA (ACRES) = 8.11 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 12.93 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 7 ---------------------------------------------------------------------------- >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<(< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 14.96 RAIN INTENSITY(INCH/HOUR) = 2.65 �.`- .`^^.`,L , � ^�. .�/- - a ., k Lrb/ - J.u/ FLOW PROCESS FROM NODE 360.10 70 MODE 360.10 IS CODE = 1 ldwft -__-_-_-_____--_________-_____-_____-_____________-___--__--____---_________ �mwv >>>>>DESIGNATE INDEPENDENT STREAM FDR CONFLUENCE<(<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME CF CONCENTRATION(MINUTES) = 14.96 RAINFALL INTENSITY (INCH./HOUR) = 2.65 TOTAL STREAM AREA (ACRES) = 16.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 29.87 **************************************************************************** FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 7 ---------------------------------------------------------------------------- )))))USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<� ============================================================================ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC<MIN> = 24.60 RAIN INTENSITY(lNCH/HOUR) = 1.97 TOTAL AREA(ACRES) = 105.70 TOTAL RUNOFF(CFS) = 160.17 **************************************************************************** FLOW PROCESS FROMINODE 360.10 TO NODE X0.10 IS CODE = z --------------- w ------------------------------------------------------------ >>>)>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<<( )>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<(<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 24.60 RAINFALL INTENSITY (INCH./HOUR) = 1.97 TOTAL STREAM AREA (ACRES) = 105.70 �=~ TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 160.17 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ 1 12.93 21.30 2.145 2 29.87 14.96 2.651 3 160.17 24.60 1.967 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 175.80 136.37 194'20 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 194.20 TIME(MINUTES) = 24.596 TOTAL AREA(ACRES) = 130.31 FLOW PROCESS FROM NODE 360.10 lO NODE 650.00 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTIME THnU SUBAREA((((( >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW){<<<< ============================================================================ DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 19.9 UPSTREAM NODE ELEVATION = 1224.50 DOWNSTREAM NODE ELEVATION = 1213.00 FLOWLENGTH(FEET) = 60.00 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 W:PEFLDW !WRU SUMEAWS) 7RAVEL TIME to .03 M 1 , 65 END OF RATIONAL METHOD ANALYSIS A m Ll LATERAL M M= RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM - BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL ((((((((<(((<<<((((<(<((((((((<<<((((<>))))>> > > > >) > > >) >) >) > > > >)) >) >) > > > >)))) (C) Copyright 1982 Advanced Engineering Software CAES3 Especially prepared for: HALL i( FOREMAN, INC. * * * * * * * ** *DESCRIPTION OF RESULTS********* * * * * * * * * * ** * * * * * * * * * * * * * * * * * * ** * FOOTHILL DRAIN HYDROLOGY,LATERAL M * C) 100 * AHMED SHEIKH, J. N. 3551, 3/5/87 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ----------------I-------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------------------------------------------------------------- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software CAES] SERIAL No. A0580A REV. 3.1 RELEASE DATE: 5/01/85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.10 TO NODE 180.10 IS CODE = 2 ---------------------------------------------------------------------------- ))) ))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( --------------- - - - - -- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1291.10 DOWNSTREAM ELEVATION = 1281.32 ELEVATION DIFFERENCE = 9.78 TC = .393*[( 1000. 00 * *3) / ( 9.78) ] * *. 2 = 15.699 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.286 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7543 SUBAREA RUNOFF(CFS) = 2.97 fU]HL HREH(HCHES) = 1.::vl fUIHL RUNOFF(CFS) = 2. FLOW PROCESS FROM NODE 180.10 TO NODE 300.00 IS CODE = 6 > > > > >COMRUTE STREETFLOW TRAVELTIME THRU SUBAREA < < <<< UPSTREAM ELEVATION = 1281.32 DOWNSTREAM ELEVATION = 1268.50 STREET LENGTH(FEET) = 930.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DECIMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 2.97 STREET FLOWDEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 8.15 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.95 PRODUCT OF DEPTH &VELOCITY = .99 STREETFLOW TRAVELTIME(MIN) = 5.25 TC(MIN) = 20.94 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.764 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7362 SUBAREA AREA(ACRES) = 0.00 SUBAREA RUNOFF(CFS) = 0.00 SUMMED AREA(ACRES) = 1.20 TOTAL RUNOFF(CFS) = 2.97 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 8.15 FLOW VELOCITY(FEET)(SEC.) = 2.95 DEPTH *VELOCITY = .99 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.50 TO NODE 300.00 IS CODE = 8 ---------------------------------------------------------------------------- )))) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ------------------ - - - - -- 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.764 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7362 SUBAREA AREA(ACRES) _ .90 SUBAREA RUNOFF(CFS) = 1.83 TOTAL AREA(ACRES) = 2.10 TOTAL RUNOFF(CFS) = 4.81 TC (MIN) = 20.94 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.00 TO NODE 300.00 IS CODE = 1 ---------------------------------------------------------------------------- > ))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(( < <( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 20.94 RAINFALL INTENSITY (INCH. /HOUR) = 2.76 TOTAL STREAM AREA (ACRES) = 2.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.81 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.20 TO NODE 300.00 IS CODE = 2 )))) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ----------- - - - - -- - ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 1800.00 UPSTREAM ELEVATION = 1291.00 DOWNSTREAM ELEVATION = 1268.50 ELEVATION DIFFERENCE = 22.50 i c _ . 393* C ( 1800. 00 * *3) / ( 22. 50) 1 * *, = 18.909 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.939 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7430 Aduk SUBAREA RUNOFF(CFS) = 18.56 TOTAL AREA(ACRES) = 8.50 TOTAL RUNOFF(CFS) = 18.56 FLOW PROCESS FROM NODE 300.00 TO NODE 300.00 IS CODE = 1 > >) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( > >) > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 18.91 RAINFALL INTENSITY (INCH. /HOUR) = 2.94 TOTAL STREAM AREA (ACRES) = 8.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 18.56 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) 1 4.81 20.94 2.764 2 18.56 18.91 2.939 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 22.26 22.90 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 22.90 TIME(MINUTES) = 18.909 TOTAL AREA(ACRES) = 10.60 FLOW PROCESS FROM NODE 300.30 TO NODE 300.00 IS CODE = 8 ---------------------------------------------------------------------- - - - - -- > > > >> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( -------------------------------- 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.939 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7430 SUBAREA AREA(ACRES) = 7.00 SUBAREA RUNOFF(CFS) = 15.29 TOTAL AREA(ACRES) = 17.60 TOTAL RUNOFF(CFS) = 38.19 TC(MIN) = 18.91 FLOW PROCESS FROM NODE 300.40 TO NODE 300.00 IS CODE = 8 > > >) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <(((( 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.939 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7430 SUBAREA AREA(ACRES) = 3.80 SUBAREA RUNOFF(CFS) = 8.30 TOTAL AREA(ACRES) = 21.40 TOTAL RUNOFF(CFS) = 46.48 TC (MIN) = 18.91 FLOW PROCESS FROM NODE 300.00 TO NODE 311.00 IS CODE = 3 ---------------------------------------------------------------------- - - - - -- > >))> COMPUTE PIPEFLOW TRAVEL.TIME THRU SUBAREA((((( )))))USING' COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 36.0 INCH PIPE IS 25.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.8 UPSTREAM NODE ELEVATION = 1268.50 DOWNSTREAM NODE ELEVATION = 1264.40 FLOWLENGTH(FEET) = 560.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 46.48 TRAVEL TIME(MIN. ) = 1.06 TC(MIN.) = 19.97 FLOW PROCESS FROM NODE 3:0.10 TO NODE 311.00 IS CODE = 8 ---------------------------------------------------------------------- - - - - -- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW <( <(( 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.844 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7394 SUBAREA AREA(ACRES) = 3.10 SUBAREA RUNOFF(CFS) = 6.52 TOTAL AREA(ACRES) = 24.50 TOTAL RUNOFF(CFS) = 53.00 TC(MIN) = 19.97 FLOW PROCESS FROM'NODE 310.0 TO NODE 311.00 IS CODE = 8 ---------------------------------------------------------------------- - - - - -- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.844 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7394 SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOFF(CFS) = 11.78 TOTAL AREA(ACRES) = 30.10 TOTAL RUNOFF(CFS) = 64.78 TC(MIN) = 19.97 FLOW PROCESS FROM NODE 310.30 TO NODE 311.00 IS CODE = 8 )))) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.844 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7394 SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOFF(CFS) = 11.78 TOTAL AREA(ACRES) = 35.70 TOTAL RUNOFF(CFS) = 76.56 TC(MIN) = 19.97 FLOW PROCESS FROM NODE 311.00 TO NODE 311.00 IS CODE = 1 ))) ))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.97 RAINFALL INTENSITY (INCH. /HOUR) = 2.84 TOTAL STREAM AREA (ACRES) = 35.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 76.56 FLOW PROCESS FROM NODE 315.30 TO NODE 311.00 IS CODE = 2 ---------------------------------------------------------------------- - - - - -- )))))RATIONAL METHOD INITIAL SUBAREA ANNLYSIS((((( - -• - - -- --------------- - - - -- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1 /4 ACRE) TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1272.60 DOWNSTREAM ELEVATION = 1264.40 ELEVATION DIFFERENCE = 8.210 TC = . 393* C ( 1000.00 * *3) / ( 8.20) 1 * *. 2 = 16.263 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.217 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7522 SUBAREA RUNOFF(CFS) = 1.94 TOTAL AREA(ACRES) = .80 TOTAL RUNOFF(CFS) = 1.94 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 311.00 TO NODE 311.00 IS CODE = 1 ) > >> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )) > >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 16.26 RAINFALL INTENSITY (INCH. /HOUR) = 3.22 TOTAL STREAM AREA'MCRES) = .80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1.94 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 76.56 19.97 2.844 2 1.94 16.26 3.217 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 78.27 64.29 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 78.27 TIME(MINUTES) = 19.969 TOTAL AREA(ACRES) = 36.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 311.00 TO NODE 315.00 IS CODE = 3 )) > >) COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) > >) >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((< <( DEPTH OF FLOW IN 39.0 INCH PIPE IS 30.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.1 UPSTREAM NODE ELEVATION = 1264.40 DOWNSTREAM NODE ELEVATION = 1255.50 FLOWLENGTH(FEET) = 880.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 78.27 TRAVEL TIME(MIN.) = 1.32 TC(MIN.) = 21.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 315.10 TO NODE 315.00 IS CODE = 8 ---------------------------------------------------------------------------- > >)) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 2.737 SOIL CLASSIFICATION IS "A" SINGLE-FAMlLY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7351 SUBAREA AREA(ACRES) = 12.50 SUBAREA RUNOFF(CFS) = 25.15 TOTAL AREA(ACRES) = 49.00 TOTAL RUNOFF(CFS) = 103.42 TC(MIN) = 21.29 FLOW PROCESS FROM NODE 315.40 TO NODE 315.00 IS CODE = 8 ____________________________________________________________________________ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ============================================================================ 100.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 2.737 . SOIL CLASSIFICATION IS "A" SINGLE-FAMlLY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7351 SUBAREA AREA(ACRES) = .70 SUBAREA RUNOFF(CFS) = 1.41 TOTAL AREA(ACRES) = 49.70 TOTAL RUNOFF(CFS) = 104.83 TC(MIN) = 21.29 ********** FLOW PROCESS FROM NODE 315.00 TO NODE 320.00 IS CODE 3 )))))COMPUTE PlPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USlNG COMPUTER-ESTIMATED PIPESlZE (NON-PRESSURE FLOW)({{(( DEPTH OF FLOW IN 45.0 INCH PIPE IS 34.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.5 UPSTREAM NODE ELEVATION = 1255.50 DOWNSTREAM NODE ELEVATION = 1251.00 FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 104.83 TRAVEL TlME(MIN.) = .72 TC(MlN.) = 22.01 Mw ********** **** FLOW PROCESS FROM NODE 320.00 TO NODE 320.00 IS CODE = I ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.01 RAINFALL INTENSITY (INCH./HOUR) = 2.68 TOTAL STREAM AREA (ACRES) = 49.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 104.83 °*** FLOW PROCESS FROM NODE 321.00 TO NODE 321.10 IS CODE = 2 ____________________________________________________________________________ >}}>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)3**.2 INITIAL SUBAREA FLOW-LENGTH = 400.00 . UPSTREAM ELEVATION = 1257.90 DOWNSTREAM ELEVATION = 1257.00 ELEVATION DIFFERENCE = .90 TC = .393*[( 400.00**3)/( .90)]**.2 = 14.599 100.00 YEAR RAINFALL lNTENSlTY(INCH/HOUR) = 3.432 ' SOIL CLASSIFICATION IS " ' SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7584 SUBAREA RUNOFF(CFS) = 5.73 i U f"L AREA &CRES ) = 2.20 I U t HL RUB D& ( UR S ) = 5.73 FLOW PROCESS FROM NODE 321.10 TO NODE 321.20 IS CODE = 3 ® -------------- --------- ----------- ----- ------------- ------------------------ ))) ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <(((( )))) )USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((( << ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE I S 8.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.1 UPSTREAM NODE ELEVATION = 1257.00 DOWNSTREAM NODE ELEVATION = 1253.00 FLOWLENGTH(FEET) = 250.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 5.73 TRAVEL TIME(MIN. ) = .59 TC(MIN. ) = 15.19 FLOW PROCESS FROM NODE 322.00 TO NODE 321.20 IS CODE = 8 ---------------------------------------------------------------------------- )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW(<( << 100.00 YEAR RAINFALL SOIL CLASSIFICATION IS SINGLE - FAMILY W 4 ACRE SUBAREA AREA(ACRES) TOTAL AREA(ACRES) _ TC (MIN) = 15.19 INTENSITY(INCH /HOUR) = 3.352 A LOT) RUNOFF COEFFICIENT = .7562 2.60 SUBAREA RUNOFF(CFS) = 6.59 4.60 TOTAL RUNOFF(CFS) = 12.32 FLOW PROCESS FROM NODE 321.20 TO NODE 320.00 IS CODE = 3 OWN - ))) ))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(( ((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 21.0 INCH PIPE IS 14.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.1 UPSTREAM NODE ELEVATION = 1253.00 DOWNSTREAM NODE ELEVATION = 1251.00 FLOWLENGTH(FEET) = 200.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 12.32 TRAVEL TIME(MIN.) = .47 TC(MIN.) = 15.65 FLOW PROCESS FROM NODE 320.00 TO NODE 320.00 IS CODE = 1 ) ))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.65 RAINFALL INTENSITY (INCH. /HOUR) = 3.29 TOTAL STREAM AREA (ACRES) = 4.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 12.32 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 104.83 22.01 2.683 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 114.87 86.86 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 114.87 TIME(MINUTES) = 22.013 TOTAL AREA(ACRES) = 54.50 FLOW PROCESS FROM NODE 320.00 TO NODE 326.10 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.3 UPSTREAM NODE ELEVATION = 1251.00 DOWNSTREAM NODE ELEVATION = 1240.31 FLOWLENGTH(FEET) = 600.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 42.00 PIPEFLOW THRU SUBAREA(CFS) = 114.87 TRAVEL TIME(MIN.) _ .65 TC(MIN.) 101 N = .013 NUMBER OF PIPES = = 22.66 FLOW PROCESS FROM NODE 326.10 TO NODE 36.10 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.66 RAINFALL INTENSITY (INCH. /HOUR) = 2.64 TOTAL STREAM AREA (ACRES) = 54.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 114.87 FLOW PROCESS FROM NODE 325.00 TO NODE 325.10 IS CODE = 2 )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW - LENGTH = 500.00 UPSTREAM ELEVATION = 1258.10 DOWNSTREAM ELEVATION = 1251.00 ELEVATION DIFFERENCE = 7.10 TC = . 393* E ( 500.00 * *3) / ( 7.10) 7 * *. 2 = 11.043 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 4.058 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7725 SUBAREA RUNOFF(CFS) = 21.95 TOTAL AREA(ACRES) = 7.00 TOTAL RUNOFF(CFS) = 21.95 FLOW PROCESS FROM NODE 325.10 TO NODE 326.10 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA( <( (< )))))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 21.0 INCH PIPE IS 15.9 INCHES P1PEi LUW VELUCITY (FEET /SEC. ) = 11. UPSTREAM NODE ELEVATION = 1251.00 DOWNSTREAM NODE ELEVATION = 1240.31 FLOWLENGTH(FEET) = 450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 21.95 TRAVEL TIME(MIN.) = .67 TC(MIN.) = 11.71 FLOW PROCESS FROM NODE 326.00 TO NODE 36.10 IS CODE = 8 ---------------------------------------------------------------------------- ) >)) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.918 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7697 SUBAREA AREA(ACRES) = 6.80 SUBAREA RUNOFF(CFS) = 20.51 TOTAL AREA(ACRES) = 13.80 TOTAL RUNOFF(CFS) = 42.45 TC(MIN) = 11.71 FLOW PROCESS FROM NODE 326.10 TO NODE 326.10 IS CODE = 1 ) >)) >DESIGNATE`INDEPENDENT STREAM FOR CONFLUENCE((((( ))) >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( -------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.71 RAINFALL INTENSITY (INCH. /HOUR) = 3.92 TOTAL STREAM AREA (ACRES) = 13.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 42.45 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ------------------------------------------------------------------- 1 114.87 22.66 2.636 2 42.45 11.71 3.918 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 143.44 101.81 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 143.44 TIME(MINUTES) = 22.664 TOTAL AREA(ACRES) = 68.30 FLOW PROCESS FROM NODE 326.10 TO NODE 330.00 IS CODE 3 ) ))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) )>) )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.8 UPSTREAM NODE ELEVATION = 1240.31 DOWNSTREAM NODE ELEVATION = 1236.30 FLOWLENGTH(FEET) = 270.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 143.44 TRAVEL TIME(MIN.) = .30 TC(MIN.) = 22.97 L;q ' FLOW PROCESS FROM NODE 330.10 TO NODE 330.00 IS CODE = 8 ---------------------------------------------------------------------------- >>>>>ADDITlON OF SUBAREA TO MAINLINE PEAK FLOW((((( Aomk 100.00 YEAR RAINFALL lNTENSlTY(INCH/HOUR) = 2.615 SOIL CLASSIFICATION IS "A" ' SINGLE-FoMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7297 SUBAREA AREA(ACRES) = 1.90 SUBAREA RUNOFF(CFS) = 3.63 TOTAL AREA(ACRES) = 70.20 TOTAL RUNOFF(CFS) = 147.06 TC(MlN) = 22.97 FLOW PROCESS FROM NODE 330.20 TO NODE 330.00IS CODE = 8 ____________________________________________________________________________ )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ============================================================================ 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.615 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7297 SUBAREA AREA(ACRES) = 2.60 SUBAREA RUNOFF(CFS) = 4.96 TOTAL AREA(ACRES) = 72.80 TOTAL RUNOFF(CF5) = 152.03 TC<MIN> = 22.97 ******** *********** FLOW PROCESS FROM NODE 330.30 TO NODE 330.00 IS CODE a )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<(<( 100.00 YEAR RAINFALL lNTENSITY(lNCH/HOUR) = 2.615 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7297 SUBAREA AREA(ACRES) = 1.10 SUBAREA RUNOFF(CFG) = 2.10 TOTAL AREA(ACRES) = 73.90 TOTAL RUNOFF(CFS) = 154.13 TC(MlN) = 22.97 FLOW PROCESS FROM NODE 330.40 TO NODE 330.00 IS CODE = 8 ____________________________________________________________________________ )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 2.615 SOIL CLASSIFICATION IS "A" SINGLE-FAMlLY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7297 SUBAREA AREA(ACRES) = 1.10 SUBAREA RUNOFF(CFS) = 2.10 TOTAL AREA(ACRES) = 75.00 TOTAL RUmoFF(CFe) = 156.23 TC(wlN) = 22.97 * FLOW PROCESS FROM NODE 330.00 TO NODE 340.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 63.0 INCH PIPE IS 48.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.8 UPSTREAM NODE ELEVATION = 1236.30 DOWNSTREAM NODE ELEVATION = 1236.10 FLOWLENGTH(FEET) = 60.00 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 156.23 TRAVEL TIME(MIN.) = .11 TC(MIN.) = 23.08 FLOW PROCESS FROM NODE 340.10 TO NODE 340.00 IS CODE = 8 ---------------------------------------------------------------------------- ))>) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.608 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7294 SUBAREA AREA(ACRES) = 3.90 SUBAREA RUNOFF(CFS) = 7.42 TOTAL AREA(ACRES) = 78.90 TOTAL RUNOFF(CFS) = 163.64 TC(MIN) = 23.08 FLOW PROCESS FROM NODE 340.20 TO NODE 340.00 IS CODE = 8 ---------------------------------------------------------------------------- )) >) )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.608 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7294 SUBAREA AREA(ACRES) = 5.10 SUBAREA RUNOFF(CFS) = 9.70 TOTAL AREA(ACRES) = 84.00 TOTAL RUNOFF(CFS) = 173.34 TC(MIN) = 23.08 FLOW PROCESS FROM NODE 340.00 TO NODE 341.00 IS CODE = 3 >)) >> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >> >) )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.8 UPSTREAM NODE ELEVATION = 1236.10 DOWNSTREAM NODE ELEVATION = 1230.70 FLOWLENGTH(FEET) = 200.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 173.34 TRAVEL TIME(MIN.) = .17 TC(MIN.) = 23.25 FLOW PROCESS FROM NODE 350.10 TO NODE 341.00 IS CODE = 8 ---------------------------------------------------------------------------- ) ))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.596 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7289 SUBAREA AREA(ACRES) = 8.20 SUBAREA RUNOFF(CFS) = 15.52 TOTAL AREA(ACRES) = 92.20 TOTAL RUNOFF(CFS) = 188.86 TC(MIN) = 23.25 FLOW PROCESS FROM NODE 341.00 TO NODE 350.10 IS CODE = 3 ---------------------------------------------------------------------- - - - - -- ) >)> )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) )>) )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)(( <(( ---------------- DEPTH OF FLOW IN 66.0 INCH PIPE IS 54.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.1 UPSTREAM NODE ELEVATION = 1230.70 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 188.86 TRAVEL TIME(MIN.) _ .11 TC(MIN.) = 23.36 FLOW PROCESS FROM NODE 350.20 TO NODE 350.00 IS CODE = 8 ))) > >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.589 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7285 SUBAREA AREA(ACRES) = 13.50 SUBAREA RUNOFF(CFS) = 25.46 TOTAL AREA(ACRES) = 105.70 TOTAL RUNOFF(CFS) = 214.32 TC(MIN) = 23.36 FLOW PROCESS FROM NODE 350.00 TO NODE 360.10 IS CODE = 3 )))) )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) )) > >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN '60.0 INCH PIPE IS 45.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.6 UPSTREAM NODE ELEVATION = 1230.50 DOWNSTREAM NODE ELEVATION = 1224.50 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 214.32 TRAVEL TIME(MIN.) _ .86 TC(MIN.) = 24.22 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ) ))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < <(( ) >)>)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 24.22 RAINFALL INTENSITY (INCH. /HOUR) = 2.53 TOTAL STREAM AREA (ACRES) = 105.70. TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 214.32 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ------------------------------------------------------------------------ 1 214.32 24.22 2.533 Eq RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 214.32 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 214.32 TIME(MINUTES) = 24.220 TOTAL AREA(ACRES) = 105.70 FLOW PROCESS FROM NODE 359.00 TO NODE 359.10 IS CODE = 2 ----------------------------------------------------------------------- - - - - -- ,,/'/.,Hi1umAL. nE|HUU INlTlm- 6U8ARLA AmkLvSIS�<`(( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[<LENGTH**3>/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1241.30 DOWNSTREAM ELEVATION = 1227.00 ELEVATION DIFFERENCE = 14.30 7C = .393*[( 1000.00**3)/( 14.30)]**.2 = 14.551 100.00 YEAR RAINFALL INTENSI?Y(INCH/HOUR) = 3.439 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7586 SUBAREA RUNOFF(CFS) = 34.18 TOTAL AREA(ACRES) = 13.10 TOTAL RUNOFF<CFS> = 34.18 **************************************************************************** FLOW PROCESS FROM NODE 359.10 TO NODE 360.20 IS CODE 3 )))))COMPUTE PIPEFLOW THAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESlZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 27.0 INCH PIPE IS 18.9 INCHES PIPEFLOW VELOClTY(FEET/SEC.) = 11.5 UPSTREAM NODE ELEVATION = 1230.00 DOWNSTREAM NODE ECEVATION = 1226.00 FLOWLENGTH(FEET') = 220.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 34.18 TRAVEL TIME(MlN.) = .32 TC(MIN.) = 14.87 **************************************************************************** FLOW PROCESS FROM NODE 360.20 TO NODE 360.20 IS CODE = 1 Aw� ______---_------------------------------------------------------------------ �-* )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<((<< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.87 RAINFALL INTENSITY (INCH./HOUR) = 3.39 TOTAL STREAM AREA (ACRES) = 13.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 34.18 **************************************************************************** FLOW PROCESS FROM NODE 315.30 TO NODE 358.10 IS CODE = 2 ---------------------------------------------------------------------------- >}>>>RnTzOmAL METHOD INITIAL SUBAREA AwALYSIS<<((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHAN8E)]**.2 INITIAL SUBAREA FLOW-LENGTH = 770.00 UPSTREAM ELEVATION = 1253.50 DOWNSTREAM ELEVATION = 1246.50 ELEVATION DIFFERENCE = 7.00 TC = .393*[( 770.00**3)/( 7.00)]**.2 = 14.349 100.00 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 3.468 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7593 SUBAREA RUNOFF(CFS) = 2.37 TOTAL AREA(ACRES) = .90 TOTAL RUNOFF(CFS) = 2.37 **************************************************************************** FLOW p*oCsSG FROM mouE 358.10 |O NODE 358.00 IS CODE = 6 ---------------------------------------------------------------------------- >>>}>COmPVTE STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION = 1246.50 DOWNSTREAM ELEVATION = 1236.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0270 � SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = I ' **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3.27 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 7.84 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.25 PRODUCT OF DEPTH&VELOClTY = 1.16 STREETFLOW TRAVELTIME(MIN) = 3.33 TC(MIN) = 17.60 100.00 YEAR RAINFALL INTENSlTY(lNCH/HOUR) = 3.060 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7472 SUBAREA AREA(ACRES) = .80 SUBAREA RUNOFF(CFS) = 1.83 SUMMED AREA(ACRES) = 1.70 TOTAL RUNOFF(CFS) = 4.20 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 9.22 FLOW VELOCITY(FEET/SEC.) = 3.17 DEPTH*VELDCITY = 1.25 **************************************************************************** FLOW PROCESS FROM'NODE 358.00 TO NODE 360.20 IS CODE = 6 ----------------- I ---------------------------------------------------------- )))))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( ============================================================================ UPSTREAM ELEVATION = 1236.00 DOWNSTREAM ELEVATION = 1226.00 STREET LENGTH(FEET) = 630.00 CURB HEIGTH(INCHES) = 8. STREET HALFWlDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0270 - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 5.02 STREET FLOWDEPTH(FEET) = .41 HALFSTREET FLOODWIDTH(FEET) = 9.91 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.35 PRODUCT OF DEPTH&VELOCITY = 1.38 STREETFLOW TRAVELTIME(MIN) = 3.14 TC(MIN) = 20.82 100.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 2.774 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7366 SUBAREA AREA(ACRES) = .80 SUBAREA RUNOFF(CFS) = 1.63 SUMMED AREA(ACRES) = 2.50 TOTAL RUNOFF(CFS) = 5.83 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .43 HALFSTREET FLOODWlDTH(FEET) = 10.59 FLOW VELOCITY(FEET/SEC.) = 3.45 DEPT**vELOCITY = 1.48 **************************************************************************** FLOW PROCESS FROM NODE 350.00 TO NODE 360.20 IS CODE 8 )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ============================================================================ 100.00 YEAR RAINFALL lNTENSlTY(lNCH/HOUR) = 2.774 SOIL CLASSIFICATION IS "A" SINGLE-FAMlLY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7366 SUBAREA AREA(ACRES) = .90 SUBAREA RUNOFF(CFS) = 1.84 TOTAL AREA(ACRES) = 3.40 TOTAL RUNOFF(CFS) = 7.67 TC(MIN) = 20.82 **************************************************************************** FLOW PROCESS FROM NODE 360.20 TO NODE 360.20 IS CODE >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<(( )>)>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( =========== === CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 20.82 RAINFALL INTENSITY (INCH./HOUR) = 2.77 '- TOTAL STREAM AREA (ACRES) = 3.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.67 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ 1 34.18 14.87 3.395 2 7.67 20.82 2.774 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 39.66 35.60 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 39.66 TIME(MINUTES) = 14.870 TOTAL AREA(ACRES) = 16.50 [�E **************************************************************************** FLOW PROCESS FROM NODE 360.20 TO NODE 360.10 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PlPEFLOW TRAVELTlME THRU SUBAREA((((( >>})>USlNG COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.6 INCHES PlPEFLOW VELOCITY(FEET/SEC.) = 14.5 UPSTREAM NODE ELEVATION = 1226.00 DOWNSTREAM NODE ELEVATION = 1224.50 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 39.66 TRAVEL TIME(MlN.) = .06 TC(MIN.) = 14.93 **************************************************************************** FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.93 RAINFALL INTENSITY (INCH./HOUR) = 3.39 TOTAL STREAM AREA (ACRES) = 16.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 39.66 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ 1 39.86 14.93 3.387 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 39.66 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 39.66 TIME(MINUTES) = 14.928 .u/HL ��LH(HUwES/ = 16.tj 0 **************************************************************************** FLOW PROCESS FROM NODE 380.00 TO NODE 380.10 IS CODE = 2 __>>>>>RATIONAL _METHOD __INITIAL - SUBAREA _ANALYSIS�<��< ------------------------ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHAN8E)]**.2 INITIAL SUBAREA FLOW-LENGTH = 750.00 UPSTREAM ELEVATION = 1231.80 DOWNSTREAM ELEVATION = 1227.40 ELEVATION DIFFERENCE = 4.40 TC = .393*[( 750.00**3)/( 4.40)]**.2 = 15.499 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.312 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY<1/4 ACRE LOT) RUNOFF COEFFICIENT = .7550 SUBAREA RUNOFF(CFS) = 6.75 TOTAL AREA(ACRES) = 2.70 TOTAL RUNOFF(CFS) = 6.75 **************************************************************************** FLOW PROCESS FROM NODE 380.10 TO NODE 360.20 IS CODE 3 )))))COMPUTE PIPEF6OW TRAVELTIME THRU SUBAREA((((( )>>>>UGING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ DEPTH OF FLOW IN 21.0 INCH PIPE IS 14.4 INCHES PIPEFLOW VELOClTY(FEET/SEC.) = 3.8 UPSTREAM NODE ELEVATION = 1227.40 DOWNSTREAM NODE ELEVATION = 1227.20 FLOWLENGTH(FEET) = 70.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 6.75 TRAVEL TIME(MIN.) = .30 TC(MIN.) = 15.80 **************************************************************************** FLOW PROCESS FROM NODE 380.20 TO NODE 380.20 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.80 RAINFALL INTENSITY (INCH./HOUR) = 3.27 TOTAL STREAM AREA (ACRES) = 2.70 TOTAL STREAM gUmOFF(CFS) AT CONFLUENCE = 6.75 **************************************************************** FLOW PROCESS FROM NODE 360.00 TO NODE 380.20 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 1050.00 UPSTREAM ELEVATION = 1231.80 DOWNSTREAM ELEVATION = 1225.00 ELEVATION DIFFERENCE = 6.80 ' TC = .393*1( 1050.00**3)/( 6.80)]**.2 = 17.384 100.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 3.091 SOIL CLASSIFICATION IS "A" SI�6L�-FAMlLY(1/4 ACHE LOT) HUNOFF COEFFICIENT = .7483 SU8AREP RUNOFF(CFS) = 3'01 TOTAL AREA(ACRES) = 1.30 TOTAL RUNOFF(CFS) = 3.01 AP*N **************************************************************************** %0� FLOW PROCESS FROM NODE 380.30 TO NODE 360.20 IS CODE = 8 . __----___-____-__-______-______--___-_-_____-__-____-_-___-_-__--_________-_ )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ============================================================================ 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.091 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7483 SUBAREA AREA(ACRES) = .50 SUBAREA RUNOFF(CFS) = 1.16 TOTAL AREA(ACRES) = 1.80 TOTAL RUNOFF(CFS) = 4.18 TC(MIN) = 17.38 **************************************************************************** FLOW PROCESS FROM NODE 380.20 TO NODE 38N.20 IS CODE = 1 ____________________________________________________________________________ >>}>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.38 RAINFALL INTENSITY (INCH./HOUR) = 3.09 TOTAL STREAM AREA'�ACRES) = 1.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.16 **************************************************************************** FLOW PROCESS FROM NODE 650.10 TO NODE 29.06 IS CODE = 2 ---------------------------------------------------------------------------- >>>>>RATlONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM c DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 2000.00 UPSTREAM ELEVATION = 1248.00 DOWNSTREAM ELEVATION = 1225.22 ELEVATION DIFFERENCE = 22.78 TC = .393*[( 2000.00**3)/( 22.78)1**.2 = 20.094 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.834 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7390 SUBAREA RUNOFF(CFS) = 7.56 TOTAL AREA(ACRES) = 3.61 TOTAL RUNOFF(CFS) = 7.56 **************************************************************************** FLOW PROCESS FROM NODE 29.00 TO NODE 360.20 IS CODE 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 21.0 INCH PIPE IS 14.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 4.3 UPSTREAM NODE ELEVATION = 1225.22 DOWNSTREAM NODE ELEVATION = 1225.00 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 7.56 TRAVEL TIME(MIN.) = .23 TC(MlN.) = 20.32 Dq FLOW PROCESS FROM NODE 380.20 TO NODE 360.�:@ IS CODE = 1 ____________________________________________________________________________ >)>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )>)}>AND COMPUTE VARIOUS CONFLUENCED S[REAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 20.32 RAINFALL INTENSITY (INCH./HOUR) = 2.81 TOTAL STREAM AREA (ACRES) = 3.61 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.56 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFE) (MIN.) (INCH/HOUR) 1 6.75 15.80 3.273 2 4.16 17.38 3.091 3 7.56 20.32 2.814 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 16.41 17.01 17.16 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = ' 17.16 TIME(MINUTES) = 20.325 TOTAL AREA (ACRES) y^ 8.11 FLOW PROCESS FROM NODE 380.20 TO NODE 360.10 IS CODE 3 )))))COMPUTE PIPEFLDW TRAVELTIME THRU SUBAREA((((( )>>>>USlNG COMPUTER-ESTIMATED PlPESIIE (NON-PRESSURE FLDW)<<<<( DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 4.3 �- UPSTREAM NODE ELEVATION = 1225.00 DOWNSTREAM NODE ELEVATION = 1224.50 FLOWLENGTH(FEET) = 230.00 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 17.16 TRAVEL TIME(MIN.) = .88 TC(MIN.) = 21.21 **************************************************************************** FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ____________________________________________________________________________ ))))}DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<<<( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.21 RAINFALL INTENSITY (INCH./HOUR) = 2.74 TOTAL STREAM AREA (ACRES) = 8.11 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 17.16 **************************************************************************** FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 7 ____________________________________________________________________________ >>>>>USEg SPECIFIED HYDROLOGY INFORMATION AT NODE((((( ============================================================================ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MlN) = 14.93 RAIN lNTENSITY(INCH/HOUR) = 3.39 TOTAL AREA(ACRES) = 16.50 TOTAL RUNOFF(CFS) = 39.66 L A L jE�e######## jE• jf• iF�F�E#• 3f•## iF�f•###• 3E# �FdF• If#### 9f• jF#### jF# dE # # # # #�FiFiI.9EiE * #!F # # #�E• # #it #1E•IEIE�F�F•�E• # #•iF #jFaF-lE FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ----------------------------------------------------------------------------- > >)) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.93 RAINFALL INTENSITY (INCH. /HOUR) = 3.39 TOTAL STREAM AREA (ACRES) = 16.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 39.6E FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 7 )))))USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((( USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 24.22 RAIN INTENSITY(INCH /HOUR) = 2.53 TOTAL AREA(ACRES) = 105.70 TOTAL RUNOFF(CFS) = 214.32 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ---------- - - - - -- ----------------------------------------------------------- )) >) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( > > )> >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ---------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 24.2E RAINFALL INTENSITY (INCH. /HOUR) = 2.53 TOTAL STREAM AREA (ACRES) = 105.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 214.32 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 17.16 21.21 2.743 2 39.66 14.93 3.387 3 214.32 24.22 2.533 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 237.00 183.83 259.83 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 259.83 TIME(MINUTES) = 24.220 TOTAL AREA(ACRES) = 130.31 FLOW PROCESS FROM NODE 360.10 TO NODE 650.00 IS CODE = 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >))) )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 51.0 INCH P I P E IS 41.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.9 UPSTREAM NODE ELEVATION = 1224.50 DOWNSTREAM NODE ELEVATION = 1223.00 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 259.83 TRAVEL TIME(MIN.) = .05 TC(MIN.) = 24.27 END OF RATIONAL METHOD ANALYSIS m m RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL (C) Copyright 1982 Advanced Engineering Software 1AES7 Especially prepared for: HALL & FOREMAN, INC. * * * * * * * ** *DESCRIPTION OF RESULTS****** * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ** * LINE L HYDROLOGY (INDUSTRIAL AREA) NODE 37 TO 603.1 * 0 25 YR * VENKI. N, J. N 3551,3/12/87 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** --------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 Affak SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED (<((<<{{<<{(<<<<<<<<<{(<< C<<<{ C(<<<((<>>>>)>> >) >)) > > > >) >) > > >) > > > > > > > > > > > > >)> Advanced Engineering Software CAES3 SERIAL No. A0560A REV. 3.1 RELEASE DATE: 5/01/85 <{< C<<<<{<<<<<< C<<{<{{(<< C<({ C<<{{{( C<>>>>>)> > > >) > > > > > > > > > > > > > > > >) >) > > >) > >)) ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 848.00 TO NODE 37.00 IS CODE _ ---------------------------------------------------------------------------- > > >) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 840.00 UPSTREAM ELEVATION = 1330.00 DOWNSTREAM ELEVATION = 1325.00 ELEVATION DIFFERENCE = 5.00 TC = . 303* C ( 840. 00 * *3) / ( 5.00) 1 * *. 2 = 12.484 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.955 SOIL CLASSIFICATION T,S "A" TOTOL AREA(ACRES) = 7.90 TOTAL RUNOFF(CFS) = 19.34 FLOW PROCESS FROM NODE 37.00 TO NODE 45.00 IS CODE = 6 ____________________________________________________________________________ >}>)>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION = 1325.00 DOWNSTREAM ELEVATION = 1303.00 STREET LENGTH(FEET) = 1040.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 STREET CROSSFALL(DECIMAL) = .0282 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 19.34 STREET FLQWDEPTH(FEET) = .58 HALFSTREET FLOODWIDTH(FEET) = 15.69 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.31 PRODUCT OF DEPTH&VELOCITY = 3.10 STREETFLOW TRAVELTIME(MlN) = 3.26 TC(MlN) = 15.75 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.570 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8255 SUBAREA AREA(ACRES) = 0.00 SUBAREA RUNOFF(CFS) = 0.00 SUMMED AREA(ACRES) = 7.90 TOTAL RUNOFF(CFS) = 19.34 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .58 HALFSTREET FLOODWIDTH(FEET) = 15.69 FLOW VELOCITY(FEET/SEC.) = 5.31 DEPTH*VELOCITY = 3.10 **************************************************************************** FLOW PROCESS FROM NODE 847.00 TO NODE 45.00 IS CODE = 8 ---- _------- _---- _---- ___------ ____ ---- _-_------ ____ ---- __________________ )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ============================================================================ 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.570 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8255 SUBAREA AREA(ACRES) = 8.90 SUBAREA RUNOFF(CFS) = 18.89 TOTAL AREA(ACRES) = 16.80 TOTAL RUNOFF(CFS) = 38.23 TC(MlN) = 15.75 **************************************************************************** FLOW PROCESS FROM NODE 838.10 TO NODE 45.00 IS CODE = 8 ____________________________________________________________________________ )))))ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.570 SOIL CLASSIFICATION I8 "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8255 SUBAREA AREA(ACRES) = 1.40 SUBAREA RUNOFF(CFS) = 2.97 TOTAL AREA(ACRES) = 18.20 TOTAL RUNOFF(CFS) = 41.20 TC(MIN) = 15.75 **************************************************************************** FLOW PROCESS FROM NODE 45.00 TO NODE 46.00 IS CODE = 3 -- -------- PIPEFLOW --- TRAVELTIME ---------- ----- SUBAREA��(�< ------------------------------------ �-� >>}>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.7 INCHES PIPEFLOW VELOClTY(FEETySEC.) = 10.3 UPSTREAM NODE ELEVATION = 1303.00 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER UF PipES = z PIPEFLOW THRU SUBAREA(CFS) = 41.20 TRAVEL TIME(MIN.) = .65 TC(MlN.) = 16.39 **************************************************************************** FLOW PROCESS FROM NODE 46.00 TO NODE 46.00 IS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.39 RAINFALL INTENSITY (INCH./HOUR) = 2.51 TOTAL STREAM AREA (ACRES) = 18.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 41.20 ********* FLOW PROCESS FROM NODE 845.00 TO NODE 46.00 IS CODE = 2 ---------------------------------------------------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 630.00 UPSTREAM ELEVATION = 1302.00 DOWNSTREAM ELEVATION = 1298.00 ELEVATION DIFFERENCE = 4.00 TC = .393*[( 630.00**3)/( 4.00)]**.2 = 14.228 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.732 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7349 SUBAREA RUNOFF(CFS) = 9.64 TOTAL AREA(ACRES) = 4.80 TOTAL RUNOFF(CFS) = 9.64 ****** **** FLOW PROCESS FROM NODE 880.00 TO NODE 46.00 IS CODE = 8 ____________________________________________________________________________ >}})}AQDITION OF SUBAREA TO MAINLINE PEAK FLOW(((({ 25.00 YEAR RAINFALL INTENSITY(%NCH/HOUR) = 2.732 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8270 SUBAREA AREA(ACRES) = .30 SUBAREA RUNOFF(CFS) = .68 TOTAL AREA(ACRES) = 5.10 TOTAL RUNOFF(CFS) = 10.31 'IC(MIN) = 14.23 **************************************************************************** FLOW PROCESS FROM NODE 46.00 TO NODE 46.00 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUESM<< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.23 RAINFALL INTENSITY (INCH./HOUR) = 2.73 TOTAL STREAM AREA (ACRES) = 5.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 10.31 CONFLUENCE INFORMATION: .3 'Eflrl RUNOFF TIME INTENSITY z 41.20 16.39 2.509 2 10.31 14.23 2.732 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 50.67 46.07 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 50.67 TIME(MINUTES) = 16.394 TOTAL AREA(ACRES) = 23.30 **************************************************************************** FLOW PROCESS FROM NODE 46.00 TO NODE 116.00 I5 CODE = 3 ____________________________________________________________________________ ))))}COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)(({(( ============================================================================ DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.4 INCHES PIPEFLOW VB-OClTY(FEET/SEC.) = 11.8 UPSTREAM NODE ELEVATION = 1298.00 DOWNSTREAM NODE = 1289.00 FLOWLENGTH(FEET) = 600.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 33.00 PIPEFLOW THRU SUBAREA(CFS) = 50.67 TRAVEL TIME(MIN.) = .85 TC(MIN.) N = .013 NUMBER OF PIPES = = 17.24 **************************************************************************** FLOW PROCESS FROM NODE 118.00 TO NODE 116.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.24 RAINFALL INTENSITY (INCH./HOUR) = 2.43 TOTAL STREAM AREA (ACRES) = 23.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 50.67 **************************************e************************************* FLOW PROCESS FROM NODE 116.00 TO NODE 116.00 IS CODE = 7 ---------------------------------------------------------------------------- >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((( ============================================================================ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 14.82 RAIN INTENSITY(INCH/HOUR) = 2.67 TOTAL AREA(ACRES) = 156.60 TOTAL RUNOFF(CFS) = 297.45 ************************************** ********* FLOW PROCESS FROM NODE 116.00 TO NODE 116.00 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.82 RAINFALL INTENSITY (INCH./HOUR) = 2.67 TOTAL STREAM AREA (ACRES) = 156.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 297.45 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY 1 50. b7 1 1. e4 c. A+.SJ 8 897.45 14.85 2.666 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 8 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 322.32 341.01 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 341.01 TIME(MINUTES) = 14.820 TOTAL AREA(ACRES) = 179.90 FLOW PROCESS FROM NODE 116.00 TO NODE 47.00 IS CODE = 3 ---------------------------------------------------------------------------- > >)) )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )>)) )USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)( <( <( DEPTH OF FLOW IN 64.0 INCH PIPE IS 66.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.5 UPSTREAM NODE ELEVATION = 1289.00 DOWNSTREAM NODE ELEVATION = 1287.00 FLOWLENGTH(FEET) = 620.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 84.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 341.01 TRAVEL TIME(MIN.) _ .99 TC(MIN.) = 15.81 FLOW PROCESS FROM NODE 844.00 TO NODE 47.00 IS CODE = 8 >) >> )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW < < < << 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.565 SOIL CLASSIFICATION IS "A" SINGLE- FAMILY(1 /4 ACRE LOT) RUNOFF COEFFICIENT = .7274 SUBAREA AREA(ACRES) = 6.20 SUBAREA RUNOFF(CFS) = 11.57 TOTAL AREA(ACRES) = 186.10 TOTAL RUNOFF(CFS) = 352.58 TC(MIN) = 15.81 FLOW PROCESS FROM NODE 47.00 TO NODE 47.10 IS CODE = 3 ---------------------------------------------------------------------------- > > >> )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA < <((< )> > >> USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) <(( << DEPTH OF FLOW IN 84.0 INCH PIPE IS 67.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.6 UPSTREAM NODE ELEVATION = 1287.00 DOWNSTREAM NODE ELEVATION = 1286.50 FLOWLENGTH(FEET) = 150.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 84.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 352.58 TRAVEL TIME(MIN.) _ .23 TC(MIN.) = 16.04 FLOW PROCESS FROM NODE 47.10 TO NODE 47.10 IS CODE = 1 ---------------------------------------------------------------------------- > > >> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<<<( ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.04 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 35:.58 % FLOW PROCESS FROM NODE 47.10 TO NODE 47.10 IS CODE = 7 ---------------------------------------------------------------------------- >)> ))USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((( ----------------------------------------------------- --------------- USER- SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 15.26 RAIN INTENSITY(INCH /HOUR) = 2.62 TOTAL AREA(ACRES) = 28.10 TOTAL RUNOFF(CFS) = 69.51 FLOW PROCESS FROM NODE 47.10 TO NODE 47.10 IS CODE = 1 ) > >> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <(( << )))))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES( < <<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.26 RAINFALL INTENSITY (INCH. /HOUR) = 2.62 TOTAL STREAM AREA (ACRES) = 28.10 TOTAL STREAM RUNOFF(CFS) Ar CONFLUENCE = 69.51 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 352.58 16.04 2.542 2 69.51 15.26 2.619 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 420.03 404.90 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 420.03 TIME(MINUTES) = 16.042 TOTAL AREA(ACRES) = 214.20 FLOW PROCESS FROM NODE 47.10 TO NODE 52.00 IS CODE = 3 > > > >> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( > >)> )USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((((( ------------------------------- DEPTH OF FLOW IN 102.0 INCH PIPE IS 74.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.5 UPSTREAM NODE ELEVATION = 1286.50 DOWNSTREAM NODE ELEVATION = 1286.00 FF LOWLENGTH ( FEET ) = 240.00 MANN I NGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 420.03 TRAVEL TIME(MIN.) = .42 TC(MIN.) = 16.46 FLOW PROCESS FROM NODE 840.00 TO NODE 52.00 IS CODE = 8 ---------------------------------------------------------------------------- >) >> )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ----- - - - - -- 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.503 SOIL CLASSIFICATION IS "A" TU|HL AREA(ACRES) = 226.80 lOTAL RUNOFF(CFS) = 446.05 TC(MIN) = 16.46 FLOW PROCESS FROM NODE 52.00 TO NODE 161.00 lS CODE = 3 ---------------------------------------------------------------------------- >>}>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>)))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 78.0 INCH PIPE IS 62.3 INCHES PIPEFLOW VELOC1TY(FEET/SEC.) = 15.7 UPSTREAM NODE ELEVATION = 1286.00 DOWNSTREAM NODE ELEVATION = 1282.00 FLOWLENGTH(FEET) = 500.00 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 78.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 446.05 TRAVEL TIME(MIN.) = .53 TC(MIN.) = 16.99 ************************************************* ************ FLOW PROCESS FROM NODE 161.00 TO NODE 161.00 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.99 RAINFALL INTENSITY (INCH./HOUR) = 2.46 TOTAL STREAM AREA (ACRES) = 226.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 446.05 *********************************************************** **** FLOW PROCESS FROM NODE 161.00 TO NODE 161.00 IS CODE = 7 ---------------------------------------------------------------------------- )))))USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((( ============================================================================ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.15 RAIN INTENSITY(INCH/HOUR) = 2.36 TOTAL AREA(ACRES) = 15.80 TOTAL RUNOFF(CFS) = 32.09 **************************************************** ** FLOW PROCESS FROM NODE 161.00 TO NODE 161.00 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR <(<(( >>)))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 18.15 RAINFALL INTENSITY (INCH./HOUR) = 2.36 TOTAL STREAM AREA (ACRES) = 15.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 32.09 CONFL0 STREAM NUMBER W�� -------- =_NCE INFO RUNOFF (CFS) --------- 446.05 32.09 �MATION: TIME INTENSITY (MIN.) (INCH/HOUR) _______________________ 16.99 2.456 18.15 2.361 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: RUNOFF<CFS/ = +/6.0*J lImL(mINUTES) = 16.995 TOTAL AREA(ACRES) = 242.60 FLOW PROCESS FROM NODE 161.00 TO NODE 65.00 IS CODE = 3 ____________________________________________________________________________ )))})COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>}))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 75.0 INCH PIPE IS 57.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 19.0 UPSTREAM NODE ELEVATION = 1282.00 DOWNSTREAM NODE ELEVATION = 1274.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 75.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 476.09 TRAVEL TIME(MIN.) = .56 TC(MIN.) = 17.55 **************************************************************************** FLOW PROCESS FROM NODE 65.00 TO NODE 65.00 IS CODE = 1 ---------------------------------------------------------------------------- }>>>>DE8IGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.55 RAINFALL INTENSITY (INCH./HOUR) = 2.41 TOTAL STREAM AREA (ACRES) = 242.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 476.09 **************************************************************************** FLOW PROCESS FROM NODE 950.00 TO NODE 65.00 IS CODE = 2 ____________________________________________________________________________ )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 800.00 UPSTREAM ELEVATION = 1287.50 DOWNSTREAM ELEVATION = 1274.00 ELEVATION DIFFERENCE = 13.50 TC = .303*[( 800.00**3)/( 13.50)]**.2 = 9.940 25.00 YEAR RAINFALL INTENS%TY(INCH/MOUH) = 3.388 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8314 SUBAREA RUNQFF(CFS) = 20.84 TOTAL AREA(ACRES) = 7.40 TOTAL RUNOFF(CFS) = 20.84 **** **** *********** FLOW PROCESS FROM NODE 65.00 TO NODE 65.00 IS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<<(< laft CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: NL; TIME OF CONCENTRATION(MINUTES) = 9.94 - RAINFALL INTENSITY (INCH./HOUR) = 3.39 TOTAL STREAM AREA (ACRES) = 7.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 20.84 ---------------------------------------------------------------------------- ))>))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( - - - -- - -------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *E(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 800.00 UPSTREAM ELEVATION = 1288.00 DOWNSTREAM ELEVATION = 1274.00 ELEVATION DIFFERENCE = 14.00 TC = .303*[( 800. 00 * *3) / ( 14.00) 7 * *. 2 = 9.868 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.403 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8315 SUBAREA RUNOFF(CFS) = 18.67 TOTAL AREA(ACRES) = 6.60 TOTAL RUNOFF(CFS) = 16.67 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 65.00 TO NODE 65.00 IS CODE = 1 ---------------------------------------------------------------------------- )))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE <( < <( ) >)))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 9.87 RAINFALL INTENSITY (INCH./HOUR) = 3.40 TOTAL STREAM AREA (ACRES) = 6.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 18.67 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------- RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 504.13 309.01 306.98 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 504.13 TIME (MINUTES) = 17.555 TOTAL AREA(ACRES) = 256.60 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 65.00 TO NODE 65.00 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.55 RAINFALL INTENSITY (INCH. /HOUR) = 2.41 TOTAL STREAM AREA (ACRES) = 256.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 504.13 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 949.00 TO NODE 65.00 IS CODE = 2 ----------------------------------------=----------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS ( < << 1 476.09 17.55 ------------------------ 2.408 2 20.84 9.94 3.388 3 18.67 9.87 3.403 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 65.00 TO NODE 65.00 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.55 RAINFALL INTENSITY (INCH. /HOUR) = 2.41 TOTAL STREAM AREA (ACRES) = 256.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 504.13 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 949.00 TO NODE 65.00 IS CODE = 2 ----------------------------------------=----------------------------------- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS ( < << TC = K *1(LENVTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 1110.00 UPSTREAM ELEVATION = 1288.00 ® DOWNSTREAM ELEVATION = 1273.80 ELEVATION DIFFERENCE = 14.20 TC = .303*[( 1110. 00 * *3) / ( 14.20) 1 * *. 2 = 11.976 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.029 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8292 SUBAREA RUNOFF(CFS) = 14.57 TOTAL AREA(ACRES) = 5.80 TOTAL RUNOFF(CFS) = 14.57 FLOW PROCESS FROM NODE 65.00 TO NODE 65.00 IS CODE = 1 ---------------------------------------------------------------------------- )))) )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ))) >)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.98 RAINFALL INTENSITY (INCH. /HOUR) = 3.03 TOTAL STREAM AREA (ACRES) = 5.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 14.57 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ---------------------------------------------------------------------------- 1 504.13 17.55 2.408 14.57 11.98 3.029 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 515.71 358.50 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 515.71 TIME(MINUTES) = 17.555 TOTAL AREA(ACRES) = 262.40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 65.00 TO NODE 62.00 IS CODE = 3 )))) )COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( ) >> ))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( DEPTH OF FLOW IN 93.0 INCH PIPE IS 72.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.1 UPSTREAM NODE ELEVATION = 1274.00 DOWNSTREAM NODE ELEVATION = 1270.00 FLOWLENGTH(FEET) = 900.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 93.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 515.71 TRAVEL TIME (MIN. ) = 1.14 TC (MIN. ) = 18.70 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 62.00 TO NODE 62.00 IS CODE = 1 ---------------------------------------------------------------------------- )) )))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i ARE: TT.ME OF CONCENTRATION(MINUTES) = 18.70 TOTAL STHEAM RdNOFF(CFb) Al UuN�-LUENLk� = 51o.11 FLOW PROCESS FROM NODE 946.00 TO NODE 62.w0 IS CODE = 2 ____________________________________________________________________________ )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 888.00 UPSTREAM ELEVATION = 1283.00 DOWNSTREAM ELEVATION = 1270.23 ELEVATION DIFFERENCE = 12.77 TC = .303*[( 888.00**3)/( 12.77)]**.2 = ' 10.700 25.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 3.241 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8306 SUBAREA RUNOFF(CFS) = 15.88 TOTAL AREA(ACRES) = 5.90 TOTAL RUNOFF(CFS) = 15.88 **************************************************************************** FLOW PROCESS FROM NODE 948.00 TO NODE 62.m0 IS CODE = 8 ____________________________________________________________________________ >))>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( ============================================================================ 25.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 3.241 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8306 SUBAREA AREA(ACRES) = 4.90 SUBAREA RUNOFF(CFS) = 13.19 TOTAL AREA(ACRES) = 10.80 TOTAL RUNOFF(CFS) = 29.08 TC(MIN) = 10.70 ************* **************************************** FLOW PROCESS FROM NODE 62.00 TO NODE 62.;00 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 10.70 RAINFALL INTENSITY (INCH./HOUR) = 3.24 TOTAL STREAM AREA (ACRES) = 10.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 29.08 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 515.71 18.70 2.319 2 29.08 10.70 3.241 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 536.51 324.22 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 536.51 TIME(MINUTES) = 18.697 TOTAL AREA(ACRES) = 273.20 ____________________________________________________________________________ >>))>DESl8NATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ W�� CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: �N� TIME OF CONCENTRATION(MINUTES) = 18.70 RAINFALL INTENSITY (INCH./HOUR) = 2.32 TOTAL STREAM AREA (ACRES) = 273.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 536.51 ********************************************************************** ***** FLOW PROCESS FROM NODE 62.00 TO NODE 62.00 IS CODE = 7 ---------------------------------------------------------------------------- >}>}>USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((( ============================================================================ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 15.80 RAIN INTENSITY(lNCH/HOUR) = 2.57 TOTAL AREA(ACRES) = 69.86 TOTAL RUNOFF(CFS) = 153.13 **************************************************************************** FLOW PROCESS FROM NODE 62.00 TO NODE 62.00 IS CODE = 1 }>)>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<(<< >)>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<(<< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.80 RAINFALL INTENSITY (INCH./HOUR) = 2.57 TOTAL STREAM AREA (ACRES) = 69.86 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 153.13 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER __________________________________________________________________________ (CFS) (MIN.) (INCH/HOUR) 1 536.51 18.70 2.319 2 153.13 15.80 2.565 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 674.95 606.63 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 674.95 TIME(MINUTES) = 18.697 TOTAL AREA(ACRES) = 343.06 FLOW PROCESS FROM NODE 62.00 TO NODE 99.w0 IS CODE = 3 ____________________________________________________________________________ )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )))))USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ DEPTH OF FLOW IN 81.0 INCH PIPE IS 63.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 22.4 UPSTREAM NODE ELEVATION = 1270.00 DOWNSTREAM NODE ELEVATION = 1263.00 FLOWLENGTH(FEET) = 450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 674.95 TRAVEL TIME (MlN.) = .33 TC(MlN.) = 19.03 ____________________________________________________________________________ >}>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA�<< >>>>>USlNG COMPUTER-ESTIMATED PIPESlZE (NON-PRESSURE FLOW)((((( ��' DEPTH OF FLOW IN 93.0 INCH PIPE IS 70.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.6 UPSTREAM NODE ELEVATION = 1263.00 DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH(FEET) = 250.00 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 93.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 674.95 TRAVEL TIME(MJN.) = .24 TC(MlN.) = 19.27 ' *************** ************************************************* FLOW PROCESS FROM NODE 67.00 TO NODE 67.00 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.27 RAINFALL INTENSITY (INCH./HOUR) = 2.28 TOTAL STREAM AREA (ACRES) = 343.06 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 674.95 *************************************************************** ** FLOW PROCESS FROM NODE 850.10 TO NODE 975.00 IS CODE = 2 ---------------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS{(<(< ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)3**.2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1278.38 DOWNSTREAM ELEVATION = 1272.31 ELEVATION DIFFERENCE = 8.07 TC = .303*[( 1000.00**3)/( 6.07)]**.2 = 13.334 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.840 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8279 SUBAREA RUNOFF(CFS) = 2.59 TOTAL AREA(ACRES) = 1.10 TOTAL RUNOFF(CFS) = 2.59 **************************************************************************** FLOW PROCESS FROM NODE 975.00 TO NODE 67.00 IS CODE = 6 ____________________________________________________________________________ >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( ============================================================================ UPSTREAM ELEVATION = 1272.31 DOWNSTREAM ELEVATION = 1260.97 STREET LENGTH(FEET) = 994.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 38.00 STREET CROSSFALL(DECIMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 10.21 STREET FLOWDEPTH(FEET) = .52 HALFSTREET FLOODWIDTH(FEET) = 14.09 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.57 PRODUCT OF DEPTH&VELOClTY = 1.88 STREETFLOW TRAVELTIME(MIN) = 4.64 TC(MIN) = 17.97 25.00 YEAR RAINFALL lNTENSITY(lNCH/HOUR) = 2.375 5011' C�PSSIFlCATION IS "A" SUMMED AREA(ACRES) = 8.90 TOTAL RUNOFFtCFS) = 17.84 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .62 HALFSTREET FLOODWIDTH(FEET) = 17.47 FLOW VELOCITY(FEET /SEC.) = 4.15 DEPTH *VELOCITY = 2.56 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 67.00 TO NUDE 67.00 IS CODE = 1 ---------------------------------------------------------------------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ---------------------------------------------------------------------------- ----------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E AR:: TIME OF CONCENTRATION(MINUTES) = 17.97 RAINFALL INTENSITY (INCH. /HOUR) = 2.37 TOTAL STREAM AREA (ACRES) = 8.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 17.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 977.00 TO NODE 90.00 IS CODE = 2 ---------------------------------------------------------------------------- >> >) )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 750.00 UPSTREAM ELEVATION = 1278.00 DOWNSTREAM ELEVATION = 1266.00 ELEVATION DIFFERENCE = 12.00 TC = . 303* 1( 750. 00 * *3) / ( 12.00) ] * *. 2 = 9.790 �Irr+ 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.419 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8316 SUBAREA RUNOFF(CFS) = 19.05 TOTAL AREA(ACRES) = 6.70 TOTAL RUNOFF(CFS) = 19.05 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 90.00 TO NUDE 68.00 IS CODE = 3 ) ))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( > >> ))USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW)((<(< DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.8 UPSTREAM NODE ELEVATION = 1266.00 DOWNSTREAM NODE ELEVATION = 1263.00 FLOWLENGTH(FEET) = 456.00 MANNINVS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.05 TRAVEL TIME (MIN. ) = 1.12 TC (MIN. ) = 10.91 FLOW PROCESS FROM NODE 976.00 TO NODE 68.00 IS CODE = 6 ----------------------------------------------------------------------------- > ))))ADDITION OF SUBAREA TO MAINLINE PEAT. FLOW((((( 25.00 YEAR RAINFALL I NTENS I TY (I NCH /HOUR ) = 3.204 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8304 SUBAREA AREA(ACRES) = 6.50 SUBAREA RUNOFF(CFS) = 17.30 TOTAL AREA (ACRES) = 13. ='4'� TOTAL RUNOFI (CFS) = 3b. 34 **************************************************************************** FLOW PROCESS FROM NODE 68.00 ' NODE 67.w0 IS CODE = 3 Apkk ------------------------------------------------------------------__-_______ �� �� >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA <<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIIE (NON-PRESSURE F:_OW)<<(<< ============================================================================ DEPTH OF FLOW IN 36.0 INCH PIPE IS 25.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.7 UPSTREAM NODE ELEVATION = 1263.00 DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH(FEET) = 475.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 36.34 TRAVEL TIME(MIN.) = 1.18 TC(MIN.) = 12.09 ******** ************************************************* FLOW PROCESS FROM NODE 67.00 TO NODE 67.00 IS CODE = 1 ____________________________________________________________________________ >>>))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUEMCED STREAM VALUES<<{<< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 12.09 RAINFALL INTENSITY (INCH./HOUR) = 3.01 TOTAL STREAM AREA (ACRES) = 13.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 36.34 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________ 1 674.95 19.27 2.277 2 17.84 17.97 2.375 3 36.34 12.09 3.013 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 719.53 675.95 471.70 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 719.53 TIME(MINUTES) = 19.268 TOTAL AREA(ACRES) = 365.16 **************************************************************************** FLOW PROCESS FROM NODE 67.010 TO NODE 27.wO S CODE = 3 ____________________________________________________________________________ >>>)>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)(<(<< ============================================================================ DEPTH OF FLOW IN 81.0 INCH PIPE IS 64.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.7 UPSTREAM NODE ELEVATION = 1261.00 DOWNSTREAM NODE ELEVATION = 12+8.00 FLOWLENGTH(FEET) = 750.00 MAWNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 % PIPEFLOW THRU BUBAREA(CFS) = 719.53 TRAVEL TIME(MIN.) = .53 TC(MIN.) = 19.80 **************************************************************************** FLOW PROCESS FROM NODE 27.0Vi lO nODE 27.�. I S [�UE = l CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.80 RAINFALL INTENSITY (INCH. /HOUR) = 2.24 TOTAL STREAM AREA (ACRES) = 355.16 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 719.53 C� FLOW P ROCESS FROM NODE 978.30 TO NODE 318.40 IS CODE = 2 > > >> )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW- LENGTH = 760.00 UPSTREAM ELEVATION = 1263.00 DOWNSTREAM ELEVATION = 1255.00 ELEVATION DIFFERENCE = 8.0.0 TC = .303* 1 ( 760. 00 * *3) / ( 8.00) ] * *.:_ = 10.702 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.241 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .83016 SUBAREA RUNOFF(CFS) = 15.83 TOTAL AREA(ACRES) = 5.88 TOTAL RUNOFF(CFS) _ 15.83 FLOW PROCESS FROM NODE 978.40 TO NODE 27. IS COLE = 6 )) > >> COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION = 1255.00 DOWNSTREAM ELEVATION = 1248.70 STREET LENGTH(FEET) = 350.004 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 38.00 STREET CROSSFALL(DECTMAL) _ .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 18.02 STREET FLOWDEPTH(FEET) = .59 HALFSTREET FLOODWIDTH(FEET) = 16.34 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.77 PRODUCT OF DEPTH &VELOCITY = 2.79 STREETFLOW TRAVELTIME(MIN) = 1.22 TC(MIN) = 11.93 25.00 YEAR RAINFALL INTENSITY ( INCH /HOUR) = 3.037 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8293 SUBAREA AREA(ACRES) = 1.74 SUBAREA RUNOFF(CFS) = 4.38 SUMMED AREA(ACRES) = 7.62 TOTAL RUNOFF(CFS) = �:0. e1 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .60 HALFSTREET FLOODWIDTH(rEET) = 16.91 FLOW VELOCITY(FEET /SEC.) = 5.01 DEPTH *VELOCITY = 3.01 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 27.00 TO NODE 27.00 IS CODE = 1 ---------------------------------------------------------------------------- > > > > >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( > > > )>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.93 RAINFALL INTENSITY (INCH. /HOUR) = 3.04 TOTAL STREAM AREA (ACRES) = 7.E2 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ 1 719.53 19.80 2.241 2 20.21 11.93 3.037 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 734.45 453.68 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 734.45 TIME(MINUTES) 19.796 TOTAL AREA(ACRES) = 372.78 **************************************************************************** FLOW PROCESS FROM NODE 27.00 lO NODE 27.m0 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 1 RAINFALL INTENSITY (INCH./HOUR) = 2.24 TOTAL STREAM AREA (ACRES) = 372.78 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 734.45 **************************************************************************** FLOW PROCESS FROM NODE 707.00 lO NODE 99.00 IS CODE = 2 ------------- ------ ------- ------- ------------- -- �~ >)>>>RATIONAL - METHOD - IN%TIAL - SUBAREA - ANALYSIS<<(<( ------------------------ ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 509.00 UPSTREAM ELEVATION = 1271.95 DOWNSTREAM ELEVATION = 1263.00 ELEVATION DIFFERENCE = 8.95 TC = .303*[( 509.00**3)/( 8.95)1**.2 = 8.227 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.795 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8334 SUBAREA RUNOFF(CFS) = 5.69 TOTAL AREA(ACRES) = 1.80 TOTAL RUNOFF(CFS) = 5.69 **************************************************************************** FLOW PROCESS FROM NODE 99.00 lO NODE 27.00 IS CODE = 6 ____________________________________________________________________________ >>>>>COMPUTE STREETFLOW TRAVB-TIME THRU SUBAREA((((( ============================================================================ UPSTREAM ELEVATION = 1263.00 DOWNSTREAM ELEVATION = 1248.33 STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 38.00 STREET CROSSFALL(DECIMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 7.40 STREET FLOWDEPTH(FEET) = .46 HALFSTREET FLOODWIDTH(FEET) = 11.84 AVERAGE FLOW HELOCITY(FEET/SEC.) = 3.58 PRODUCT OF DEPTH&VELOCITY = 1'66 STREETFLOW TRAVELTIME(MlN) = 4.66 TC(MIN) = 12.89 COMMERCIAL DEVELOPMENT RUNOFF COEFFI = .8283 SUBAREA AREA(ACRES) = 1.40 SUBAREA RUNuFF(CFS) = 3'3b SUMMED AREA(ACRES) = 3.20 TOTAL RUNOFF(CFS) = 9.w5 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .49 HALFSTREET FLOODWIDTH(FEET) = 12.97 FLOW VELOCITY(FEET/SEC.) = 3.70 DEPTH*VELOCITY = 1.83 **************************************************************************** FLOW PROCESS FROM NODE 27.00 TO NODE 27.00 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE iNDEPENDENT STREAM FOR CONFLUENCE((((( >>>>>AND COMPUTE VARIOUS CONFLUENCED ST|REAM'VALUES<<{<< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.89 RAINFALL INTENSITY (INCH./HOUR) = 2.90 TOTAL STREAM AREA (ACRES) = 3.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.05 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) __________________________________________________________________________ 1 734.45 19.80 2.241 2 9.05 12.89 2.899 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 741.45 487.23 �m~ COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 741.45 TIME(MINUTES) = 19.796 TOTAL AREA(ACRES) = 375.98 **************************************************************************** FLOW PROCESS FROM NODE 27.00 lO NODE 27.00 IS CODE = 1 ____________________________________________________________________________ >}>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.80 RAINFALL INTENSITY (INCH./HOUR) = 2.24 TOTAL STREAM AREA (ACRES) = 375.98 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 741.45 **************************************************************************** FLOW PROCESS FROM NODE 27.00 lO NODE 27.00 'AS CODE = 7 ))))>USER SPECIFIED HYDROLOGY INFORMATION AT NODE(<<(( USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.01 RAIN INTENSITY(INCH/HOUR) = 2.37 TOTAL AREA(ACRES) = 54.53 TOTAL RUNOFF(CFS) = 122.72 **************************************************************************** FLOW PROCESS FROM NODE 27.00 TO NODE 27.00 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<< >>>>>AND COMPUTE VARIOUS CONFLUENCED S[REAM VALUES(((/%( ===========================================================================~ RAINFALL IM7ENSI1f (iNCH./HOUR) = 2.37 TOTAL STREAM AREA (ACRES) = 54.53 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 122.72 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 741.45 19.80 2.241 2 122.72 18.01 2.372 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 S[REAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 857.40 797.27 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 857.40 TIME(MINUTES) = 19.796 TOTAL AREA(ACRES) = 430.51 **************************************************************************** FLOW PROCESS FROM NODE 27.00 TO NODE &6.00 iS CODE = 3 )))))COMPUTE PIPEFLOW TRAVELTlME THHU SUBAREA<(<<( )))))USING COMPUTER-ESTIMATED PIPESIZE (NUN-PRESSURE FLOW><<<<< ============================================================================ DEPTH OF FLOW IN 126.0 INCH PIPE IS 96.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.0 UPSTREAM NODE ELEVATION = 1248.00 DOWNSTREAM NODE ELEVATION = 1247.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 126.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 857.40 TRAVEL TIME(MIN.) = .55 TC(MIN.) = CL0.35 **************************************************************************** FLOW PROCESS FROM NODE 709.00 TO NODE 26.00 IS CODE = 8 ____________________________________________________________________________ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 25.00 YEAR RAINFALL %NTENSlTY(INCH/HOUR) = 2.204 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8215 SUBAREA AREA(ACRES) = 2.70 SUBAREA RUNOFF(CFS) = 4.89 TOTAL AREA(ACRES) = 433.21 TOTAL RUNOFF(CFS) = 862.29 TC(MIN) = 20.35 ******************************************************** ********* FLOW PROCESS FROM NODE 709.10 TO NODE 26.00 IS CODE = 8 ____________________________________________________________________________ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.204 SOIL CLASSIFICATION IS "A" ' COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8215 SUBAREA AREA(ACRES) = 3.80 SUBAREA RUNOFF(CFS) = 6.88 0L� TOTAL AREA(ACRES) = 437.01 TOTAL RUNOFF(CFS) = 869.17 TC(MIN) = 20.35 **************************************************************************** FLOW PROCESS FR�� NODE 26.0N lU �O\`E 26,�� ]S CODE = � ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 20.35 RAINFALL INTENSITY (INCH./HOUR) = 2.�0 TOTAL STREAM AREA (ACRES) = 437.01 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 869.17 **************************************************************************** FLOW PROCESS FROM NODE 26.00 TO NODE 26.00 IS CODE = 7 ____________________________________________________________________________ >>}>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ============================================================================ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.83 RAIN INTENSITY(INCH/HOUR) = 2.78 TOTAL AREA(ACRES) = 43.10 TOTAL RUNOFF(CFS) = 105.59 **************************************************************************** FLOW PROCESS FROM NODE 26.00 lO NODE 26.m0 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<( )>>>>AND COMPUTE VARIOUS CONFLUENCED S,rREAM VALUES<<<<< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.83 RAINFALL INTENSITY (INCH./HOUR) = 2.78 TOTAL STREAM AREA (ACRES) = 43.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 105.59 CONFLUENCE INFORMATION: INTENSITY NUMBER INCH/HOUR) _______________________________________ _ 1 2�4 2 779 105.59 13.83 2. 869.17 2N.35 2. (CFS) (MIN.) ( TIME RUNOFF ____________ STREAM RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 952.92 696.34 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 952.92 TIME(MINUTES) = 20.350 TOTAL AREA(ACRES) = 480.11 STREAM RUNOFF TIME INTENSlTY NUMBER (CFS) (MIN.) (INCH/HOUR) __________________________ 1 869.17 2N.35 2�4 2 105.59 13.83 2.779 **************************************************************************** FLOW PROCESS FROM NODE 26.00 lO NODE L'8.00 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIIE (NON-PRESSURE FLOW)<{(<< DEPTH OF FLOW IN 90.0 INCH PIPE IS 72.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.9 UPSTREAM NODE ELEVATION = 1247.00 DOWNSTREAM NODE ELEVATION = 1235.00 ' FLOWLENGTH(FEET) = 720.00 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 90.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS> = 952.92 TRAVEL TIME(MIN.) = .48 TC(MIN.) = L0.83 **************************************************************************** FLOW PROCESS FROM NODE 28.N0 lO NODE 8. V, !S CObE = 1 ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 20.83 AVON. RAINFALL INTENSITY (INCH./HOUR) = 2.17 �-� TOTAL STREAM AREA (ACRES) = 480.11 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 952.92 **************************************************************************** FLOW PROCESS FROM NODE 710.00 TO NODE 710.�0 IS CODE = 2 ____________________________________________________________________________ >>}>}RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<<<< ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 620.00 UPSTREAM ELEVATION = 1248.50 DOWNSTREAM ELEVATION = 1237.00 ELEVATION DIFFERENCE = 11.50 TC = .303*[( 620.00**3)/( 11.50)]**.2 = 8.808 25.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.643 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8327 SUBAREA RUNOFF(CFS) = 21.20 TOTAL AREA(ACRES) = 6.99 TOTAL RUNOFF(CFS) = 21.20 **************************************************************************** FLOW PROCESS FROM NODE 710.20 lO NODE 28.00 IS CODE = 3 c ______________________________ )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA����� >>>>>USINB COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.2 INCHES PIPEFLOW VELOClTY(FEET/SEC.) = 6.0 UPSTREAM NODE ELEVATION = 1237.00 DOWNSTREAM NODE ELEVATION = 1235.00 FLOWLENGTH<FEET> = 450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 21.20 TRAVEL TIME(MIN.) = 1.24 TC(MlN.) = 10.05 **************************************************************************** FLOW PROCESS FROM NODE 28.00 TO NODE L8.m0 IS CODE = 1 ______-_______________-___________--________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 10.05 RAINFALL INTENSITY (INCH./HOUR) = 3.36 TOTAL STREAM AREA (ACRES) = 6.99 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 21.20 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY �-� NUMBER (CFS) (MIN.) (INCH/HOUR) __-___________-___________________-___________-_____________________________ 1 952.92 20.83 2.173 2 21.20 10.05 3.3b5 RAINFALL INTENSITY AND TIME OF C0MCENTHATI0N RATIO 966.61 481. 07 COMPUTED CONFLUENCE ESTIMATES AHE AS FOLLOWS: RUNOFF(CFS) = 966.61 TIME(MINUTES) = 210.831 TOTAL AREA(ACRES) = 487.10 FLOW PROCESS FROM NODE 28.00 TO NODE 6`,0. viO IS COVE = 3 )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA (((( )> >))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)(<((< DEPTH OF FLOW IN 93.0 INCH PIPE I S 75.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 23.7 UPSTREAM NODE ELEVATION = 1235.00 DOWNSTREAM NODE ELEVATION = 1226.00 FLOWLENGTH(FEET) = 625.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 93.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 966.61 TRAVEL TIME(MIN.) = .44 TC(MIN.) = 21.27 FLOW PROCESS FROM NODE 650.00 TO NODE 650.oO IS CODE = 1 ---------------------------------------------------------------------------- > > >> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.27 RAINFALL INTENSITY (INCH. /HOUR) = 2.15 TOTAL STREAM AREA (ACRES) = 487.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 966.61 FLOW PROCESS FROM NODE 650.00 TO NODE 650.00 IS CODE = 7 ---------------------------------------------------------------------------- > > > > >USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 24.65 RAIN INTENSITY(INCH /HOUR) = 1.9a TOTAL AREA(ACRES) = 130.31 TOTAL RUNOFF(CFS) = 1rzo4.20 FLOW PROCESS FROM NODE 650.00 TO NODE 650.00 IS CODE = 1 > > >> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( > > > > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 24.65 RAINFALL INTENSITY (INCH. /HOUR) = 1.96 TOTAL STREAM AREA (ACRES) = 130.31 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 194.20 CONFLUENCE INFORMATION: OWN STREAM RUNOFF TIME NUMBER (CFS) (MIN.) ---------------------------- 1 966.61 21.27 C. 194.20 24.65 RAINFALL INTENSITY AND TIr{ INTENSITY (INCH /HOUR) ------------------------ 2.146 1. 9G5 E OF CONCENTRATION RATIO 1z34.19 1078.9/ COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1134.19 TIME(MINUTES) = 21.271 TOTAL AREA(ACRES) = 617.41 **************************************************************************** FLOW PROCESS FROM NODE 650.00 TO NODE 603.10 IS CODE = 3 ____________________________________________________________________________ ))))}COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<(<< >>>}>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)(<((< ============================================================================ DEPTH OF FLOW IN 108.0 INCH PIPE IS 83.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.4 UPSTREAM NODE ELEVATION = 1226.00 DOWNSTREAM NODE ELEVATION = 1221.00 FLOWLENGTH(FEET) = 515.00 MANNlNGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 108.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1134.19 TRAVEL TIME(MIN.) = .40 TC(MIN.) = 21.67 END OF RATIONAL METHOD ANALYSIS EO LINE L WOO Elo ® RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL ((((((((((<<(<(<(<<<<<(<<<(<<<<<(<<((<)))>>>) ) > > >))) >) > >)>) > > > > > >) >>)))> >))) (C) Copyright 1982 Advanced Engineering Software SAES] Especially prepared for: HALL & FOREMAN, INC. <<<<((<(((((<((((<(<((((((<<((((<((<<<>>)>>>) ) >) >) >) > > > >))>))) >) >) > > >) > >)))) * * * * * * * ** *DESCRIPTION OF RESULTS********* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** * LINE L HYDROLOGY (INDUSTRIAL AREA) FROM NODE 37 TO NODE 603.1 * 0 100 * AHMED SHEIKH, J. N. 3366, 3/12/87 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** --------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software SAES] SERIAL N• A0580A REV. 3.1 RELEASE DATE: 5/01/85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 848.00 i0 NODE 37.00 IS CODE = S ----------------------------------------------------------------------------- )))> )RATIONAL METHOD INITIAL SUBAREA ANALYSIS <(((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *[(LENGTH * *3) /(ELEVATION CHANGE)] * *.E INITIAL SUBAREA FLOW- LENGTH = 840.00 UPSTREAM ELEVATION = 1330.00 DOWNSTREAM ELEVATION = 1325.00 ELEVATION DIFFERENCE = 5.00 TC = . 303* C ( 840. 00 * *3) / ( 5.00) 1 * *. E = 12.484 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.770 ® SOIL CLASSIFICATION IS "A" Lm'o"MMML ucVOLuPmOw' "uwu,r U^,c/'+^Ul"w. = MOW SUBAREA RUNOFF(CFS) = 24.8e TOTAL AREA(ACRES) = 7'e0 TOTAL RUNOFF(CFS) = 24.82 ************************************************************************** %~w FLOW PROCESS FROM NODE 37.00 TO NODE 45.00 IS CODE = 6 ____________________________________________________________________________ )>>>>cOmpUTE STREETFLOW TRAVELTIME T*RU SUBAREA((((( ============================================================================ UPSTREAM ELEVATION = 1325.00 DOWNSTREAM ELEVATION = 1303.00 STREET LENGTH(FEET) = 1040.00 CURB HEIGTH(lNCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 STREET CROSSFALL(DEClMAL) = .0282 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 24.82 STREET FLOWDEPTH(FEET) = .63 HALFSTREET FLOODWIDTH(FEET) = 17.19 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.72 PRODUCT OF DEPTH&VELOCITY = 3.58 STREETFLOW TRAVELTIME(MIN) = 3'03 TC<MlN> = 15.51 100.00 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 3.310 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8310 SUBAREA AREA(ACRES) 0.00 SUBAREA RUNOFF(CFS) = 0.00 SUmIED AREA(ACRES) = 7.90 TOTAL RUNOFF(CFS) = 24.82 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = i63 HALFSTREET FLOODWlDTH(FEET) = 17.19 FLOW VELOCITY(FEET/SEC.) = -5.72 DEPTH*VELOCITY = 3.58 **************************************************************************** FLOW PROCESS FROM NODE 847.00 TO NUDE 45.00 IS CODE = 8 ____________________________________________________________________________ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<(<<( 100.00 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 3.310 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8310 SUBAREA AREA(ACRES) = 8.90 SUBAREA RUNOFF(CFS) = 24.48 TOTAL AREA(ACRES) = 16.80 TOTAL RUNOFF(CFS) = 49.30 TC(MIM) = 15.51 FLOW PROCESS FROM NODE 838.10 TO NODE 45.00 IS CODE = 8 ____________________________________________________________________________ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSITY(ImCM/HOUR) = 3.310 SOIL CLASSIFICATION IS ^A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8310' SUBAREA AREA(ACRES) = 1.40 SUBAREA RUNOFF(CFS) = 3.85 TOTAL AREA(ACRES) = 18.20 TOTAL RUNOFF(CFS) = 53.15 TC(MIN) = 15.51 FLOW PROCESS FROM NODE 45.00 TO NODE +6.00 IS CODE = 3 ____________________________________________________________________________ >}>>>COMPUTE P[PEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESlZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 33.0 INCH PIPE IS 25.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.0 `/PSTREAM NODE ELEVATION = 1303.00 ^�., '' .�Ju.mu 4001.00 MANNINGS N = .013 ESTlMATED PIPE DIAMETER(INCH) = 33.010 NUMBER OF PIPES = 1 THRU SUBAREA(CFS) = 53.15 .61 TC(MlN.) = 16.12 �� F�DW PROCESS FROM NODE 46.00 TO NODE 46.00 IS CODE = i ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.12 RAIwFALL INTENSITY (INCH./HOUR) = 3.23 TOTAL STREAM AREA (ACRES) = 18.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 53.15 ******************************************************* ******* FLOW PROCESS FROM NODE 845.00 TO NODE 46.00 IS CODE = 2 ---------------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**31/(ELEVATION CHANGE)]**.2 InITIAL SUBAREA-FLOW-LENGTH = 630.00 UPSTREAM ELEVATION = 1302.00 DOWNSTREAM ELEVATION = 1298.00 ELEVATION DIFFERENCE = 4.00 TC = .393*[< 630.00**3)/( 4.00)3**.2 = 14.228 100'00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 3.486 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7598 SUBAREA RUNOFF(CFS) = 12'71 �-� TOTAL AREA(ACRES) = 4.80 TOTAL RUNOFF(CFS) = 12.71 **************************************************************************** FLOW PROCESS FROM NODE 880.00 TO NODE 46.w0 IS CODE = 8 ____________________________________________________________________________ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100'00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.486 SOD- CLASSIFICATION IS "p" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8320 SUBAREA AREA(ACRES) = .30 SUBAREA RUNOFF(CFS) = .87 TOTAL AnsA<nonEo> 5'10 TOTm- RUNOFF(CFS) 13.58 TC(MIN) = 14.23 FLOW PROCESS FROM NODE 46.00 TO NODE 46.00 IS CODE = 1 __________________________________________________________________________ >}>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>)>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.23 RAINFALL INTENSITY (INCH./HOUR) = 3.49 TOTAL STREAM AREA (ACRES) = 5.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.58 CONFLUENCE INFORMATION: STR RUNOFF TIME INTENSITY c c - - -------------------------------------------------------------------------- z 53.i5 16.z2 3.234 2 13.58 14.23 3.486 AlwaNk RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FO*muLA(SBC) USED FOR 2 STREAMS. �ARIOuS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 65'75 60.50 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 65.75 TIME(MINUTES) = 16.119 70TAL AREA(ACRES) = 23.30 **************************************************************************** FLOW PROCESS FROM NODE 46.00 TO NODE 116.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PlPEFLOW TRAVELTIME THRU SUBAREA((((( )>>/>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.6 UPSTREAM NODE ELEVATION = 1298.00 DOWNSTREAM NODE ELEVATION = 1289.00 FuO4LENGTH(FEETt = 600.00 MANNINGS N = .013 ESTIMATED PIPE'DIAMETER(INCH> = 36.00 NUMBER OF PIPES = 1 �IPE FLOW THRU SUBAREA(CFS) = 65.75 TRAVEL TIME(MINI) = .79 TC(MIN.) = 16.91 **************************************************************************** =LOW PROCESS FROM NODE 116.00 TO NODE 116.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.91 RAINFALL INTENSITY (INCH./HOUR) = 3.14 TOTAL STREAM AREA (ACRES) = 23.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 65.75 **************************************************************************** FLOW PROCESS FROM NODE 116.00 TO NODE 116.00 IS CODE = 7 ---------------------------------------------------------------------------- >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE(<<(< ============================================================================ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC011w) = 14.47 RAIN zwTEwoITv(zwCH/HOuR) = 3.45 TOTAL AREA(ACRES) = 156.60 TOTAL RUNOFF(CFS) = 389.94 **************************************************************************** FLOW PROCESS FROM NODE 116.00 TO NODE 116.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>}DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<( )}>>>AND COMPUTE VARIOUS CUNFLUENCED STREAM VALUES<<<(< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.47 RAINFALL INTENSITY (INCH./HOUR) = 3.45 TOTAL STREAM AREA (ACRES) = 156.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 389.94 CONFLUENCE INFORMATION: STR�AM RUWOFF TIME INTENSITY �_-'.�/ k I il ".n., `J!~u�/"uux/ ______ --- ----------- ---------------------------------------------------------- 1 65.75 16.91 3.142 2 389.94 14.47 3.451 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO %wo; FOHmuLA(S8C) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 420.84 446.19 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: HuNOFF(CFS) = 446.19 TIME(MINUTES) = 14.470 TOTAL AREA(ACRES) = 179.90 **************************************************************************** FLOW PROCESS FROM NODE 116.00 TO NODE 47.00 IS CODE = 3 ---------------------------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )>>>}USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( ============================================================================ DEPTH OF FLOW IN 93.0 INCH PIPE IS 73.2 INCHES PIPEFLOW VELOClTY(FEET/SEC.) = 11.2 UPSTREAM NODE ELEVATION = 1289.00 DOWNSTREAM NODE ELEVATION = 1287'00 FLOWLENGTH(FEET) = 620.00 MAwNINGG N = .013 ESTIMATED PIPETIAMETER(lNCH) = 93.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBRREA(CFS) = 446.19 TRAVEL TIME(MIN!) = .92 TC(MIN.) = 15.39 **************************************************************************** FLOW PROCESS FROM NODE 844.00 lO NODE 47.00 IS CODE = 8 ---------------------------------------------------------------------------- >>>,>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<(<<< 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.325 SOIL CLASSIFICATION IS "A" SIN3LE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7554 SUBAREA AREA(ACRES) = 6.20 SUBAREA RUNOFF(CFS) = 15.57 TOTAL AREA(ACRES) = 186.10 TOT*L RUNOFF(CFS) = 461.77 TC(MIN) = 15.39 FLOW PROCESS FROM NODE 47.00 TO NODE 47.10 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTImE THRU SUBAREA((((( >>>>>USlNG COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<(<<< ============================================================================ DEPTH OF FLOW IN 93.0 INCH PIPE IS 74.5 INCHES PIPEFLOW VB-OClTY(FEET/SEC.) = 11.4 UPSTREAM NODE ELEVATION = 1287.00 DOWNSTREAM NODE ELEVATION = 1286.50 FLOWLEmGTH(FEET) = 150.00 MANNIN8S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 93.00 NUMBER UF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 461.77 TRAVEL TIME(MIN.) = .22 TC(MIN.) = 15.61 FLOW PROCESS FROM NODE 47.10 TO NODE 47.10 IS CODE = 1 ---------------------------------------------------------------------------- >>}>>DESIGNATE INDEPENDENT STREAM FUR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = z5 , 61 �mw� _'``.`- ",.�. 'I -` I ' `.`~.`'/"/�" ' �.�~ - OlAL STREAM AREA (ACRES) = 186.10 YOTAL STREAM RUnOFF(CFS) AT CONFoUENCE = 461.77 FLOW PROCESS FROM NODE 47.10 10 NODE 47.z0 IS CODE = 7 ---------------------------------------------------------------------------- >>>/>USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((( USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 14.95 RAIN INTENSITY(INCH/HOUR) = 3.38 TOTAL AREA(ACRES) = 28.10 TOTAL RUNOFF<CFS> = 89.81 **************************************************************************** FLOW PROCESS FROM NODE 47.10 TO NODE 47.10 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>>AmD COMPUTE VARIOUS CUNFLUENCED SrREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT S[REAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.95 RAINFALL INTENSITY (INCH./HOUR) = 3.38 TOTAL STREAM AREA (ACRES) = 28.10 TOTAL STREAM RU^0FF(CFg) AT CONFLUENCE = 89.81 .� CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 461.77 15.61 3'297 2 89.81 14.95 3'384 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORNULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 549.27 532.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUN']FF(CFS) = 549.27 TIME(MINUTES) 15.612 TOTAL AREA(ACRES) = 214.20 **************************************************************************** FLOW PROCESS FROM NODE 47.10 TO NODE 52.00 IS CODE = 3 ------------------------------------------- _-------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USIN8 COMPUTER-ESTIMATED PlPESIIE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 108.0 INCH PIPE IS 87.4 INCHES PIPEFLOW VELOClTY(FEET/SEC.) = 10.0 UPSTREAM NODE ELEVATION = 1286.50 DOWNSTREAM NODE ELEVATION = 1266.00 FLOWLENGTH(FEET) = 240.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 108.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 549.27 TRAVEL TIME(MIN.) = .40 TC(MIN.) = 16.01 FLOW PROCESS FROM NODE 840.00 TO NODE 52.00 IS CODE = 8 ---------------------------------------------------------------------------- >>>>>ADDITlON OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENGITY(lNCH/HOUR) = 3.247 SOIL CLASSIFICATION IS "A" umvEu/PMEN[ RUNOFF QUE++iCIEw[ = .8306 SUBAREA AREA(ACRES) = 12.60 SUBAREA RUNOFF(CFS) = 33.99 TOTAL AREA(ACRES) = 226.80 TOTAL RUNOFF(CFS) = 583.26 TC(nlN) = 16.01 U40] pnom pil **************************************************************************** FLOW PROCESS FROM NODE 52.00 TO NODE 161.00 IS CODE = 3 >>>>>COMPUTE PlPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USlNG COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ DEPTH OF FLOW IN 87.0 INCH PIPE IS 67.9 INCHES PIPEFLOW VELOCIrY(FEET/SEC.) = 16.9 UPSTREAM NODE EwEVATION = 1286.00 DOWNSTREAM NODE ELEVATION = 1282.0a FLOWLENGTH(FEET> = 500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 87.00 NUMBER OF PIPES = 1 pIPEFLOW THRU SUBAREA(CFG) = 583.26 TRAVEL TIME(MIN.) = .49 TC(MlN.) = 16.51 **************************************************************************** FLOW PROCESS FROM NODE 161.00 TO NODE 161.w0 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE'INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.51 RAINFALL INTENSITY (INCH./HOUR) = 3.19 TOTAL STREAM AREA (ACRES) = 226.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 583.26 FLOW PROCESS FROM NODE 161.00 TO NODE 161.00 IS CODE = 7 ---------------------------------------------------------------------------- >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<(<(( ============================================================================ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(mIN) = 18.00 RAIN INTENSlTY(lNCH/HOUR) = 3.03 TOTAL AREA(ACRES) = 15.80 TOTAL RUNOFF(CFS) = 41.32 TIME OF CONCENTRATION(MINUTES) = 18.00 RAINFALL INTENSITY (INCH./HOUR) = 3.03 TOTAL STREAM AREA (ACRES) = 15'80 rOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 41.32 **************************************************************************** FLOW PROCESS FROM NODE 161.00 TO NODE 161.00 IS CODE = 1 ____________________________________________________________________________ >>>}>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>)AmD COMPUTE VARIOUS CoNFLUEmCsD Srnsnm VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER <CFS) (MIN.) (INCH/HOUR) __________________ 1 583.26 2 41.32 16.51 3.189 18.00 3.027 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORmULA(S8C) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOP (CFS) = 621.15 TIME (MINUTES) = 16.508 TOTAL AREA(ACRES) = 242.60 Amok iFtii iF## 3 E###' rE## iE## 1E## iF############# 3f• iE1Fl f###### �E### IF## # # # #jEdE # # # # # # # # # #�F #•if# # # #iE FLOW PROCESS FROM NODE 161. TO NODE 65.00 1S CODE = 3 ---------------------------------------------------------------------------- > >) > >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >> )> >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( ------------- - - - - -- - - - -- DEPTH OF FLOW IN 81.0 INCH RIPE IS 65.2 INCHES PIPEFLOW VELOCITY ( FEET /SEC. ) = 20.1 1 UPSTRLAM NODE ELEVATION = 1282.00 DOWNSTREAM NODE ELEVATION = 1274.00 FLOWL'ENGTH(FEET) = 640.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 621.15 TRAVEL TIME(MIN.) = .53 TC(MIN.) = 17.04 FLOW PROCESS FROM NODE 65.00 TO NODE 65.00 1S CODE = 1 ----------------------------------------------------------------------------- >>>>>DESIGNATE'INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.04 RAINFALL INTENSITY (INCH. /HOUR) = 3.13 TOTAL STREAM AREA (ACRES) = 242.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 621.15 O WN SLOW PROCESS FROM NODE 950.00 TO NODE 65.00 IS CODE = 2 -----------------------------------------.------------------------------------ >> >> )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K #[(LENGTH # #3) /(ELEVATION CHANGE)] #*.2 INITIAL SUBAREA FLOW- LENGTH = 800.00 uPSTREAM ELEVATION = 1287.50 DOWNSTREAM ELEVATION = 1274.00 `LEVATION DIFFERENCE = 13.50 TC = . 303# C ( 800. 00 # #3) / ( 13.50) ] # #. 2 = 9.940 100.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 4.323 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8354 SUBAREA RUNOFF(CFS) = 26.73 TOTAL AREA(ACRES) = 7.40 TOTAL RUNOFF(CFS) _ E6.73 FLOW PROCESS FROM NODE 65.00 10 NODE 65.00 1S CODE = 1 ---------------------------------------------------------------------------- > > >> )DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 9.94 RAINFALL INTENSITY (INCH. /HOUR) 4.32 TOTAL STREAM AREA (ACRES) = 7.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = c6.73 A =LJW PROCESS FROM NODE 950.10 lO NODE 65.w0 1S CODE = 2 ____________________________________________________________________________ >>>`>RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<(<( ASSUMED INITIAL SUBAREA UNIFORM �-� DEVELOPMENT IS: COMMERCIAL ' TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 800.00 jpSTREAM ELEVATION = 1288.00 DOWNSTREAM ELEVATION = 1274.00 ELEVATION DIFFERENCE = 14.00 rC = .303*[( 800.00**3)/( 14.00)]**.2 = 9.868 100.00 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 4.342 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8355 SUBAREA RUNOFF(CFS) = 23.94 TOTAL AREA(ACRES) = 6.60 TOTAL RUNOFF(CFS) = 23.94 **************************************************************************** FLOW PROCESS FROM NODE 65.00 lO NODE 65.00 IS CODE = 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES(<<<< CONFLUENCE VALUES^WSED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 9.87 RAINFALL INTENSITY (INCH./HOUR) = 4.34 TOTAL STREAM AREA (ACRES) = 6.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 23.94 GOwPLUENCE INFORMATION: STR,z RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ 1 621.15 17.04 3.129 2 26.73 9.94 4.323 3 23.94 9.87 4-342 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS COmFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 657.75 412.94 410.22 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 657.75 TIME(MINUTES) = 17.038 TOTAL AREA(ACRES) = 256.60 ********************************************************* ******** FLOW PROCESS FROM NODE 65.00 lO NODE 65.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.04 RAINFALL INTENSITY (INCH./HOUR) = 3.13 TOTAL STREAM AREA (ACRES) = 256.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 657.75 FLOW PROCESS FROM NODE 949.00 TO NODE 65.00 lS CODE = 2 ____________________________________________________________________________ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( .i '�./iHL -t.'b*�LH DEVELOPMENT IS: COMMERCIA,_ TC = K*[(LENGTH**3)/(ELEVATIDm CiANGE)]**.2 INITIAw SUBAREA FLOW-LENGTH = 1110.00 UPSTREAM ELEVATION = 1288.00 DOWNSTREAM ELEVATION = z273.80 ELEVATION YATIOw DIFFERENCE = 14.20 TC = '303*[( 1110.00**3)/( 14.20)3**'2 = 11.976 100.00 YEAR RAINFALL INTENSlTY(lNCH/HOUR) = 3.866 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8337 SUBAREA RUNOFF(CFS) = 18.69 TOTAL AREA(ACRES) = 5.80 TOTAL RUNOFF(CFS) = 18.69 ****** ***************************************************** FLOW PROCESS FROM NODE 65.00 TO NODE 65.00 IS CODE = 1 ____________________________________________________________________________ >>>>>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>>AND COMPUTE VARIOUS CUNFLUENCED SFREAM VALUES((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.98 RAINFALL INTENSITY (INCH./HOUR) = 3.87 TOTAL STREAM AREA (ACRES) = 5.80 TOTAL STREAM RdNOFF(CFS) AT CONFLUENCE = 18.69 .� CONPLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 657.75 17.04 3.129 2 18.69 11.98 3'866 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(S8C) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 672.88 481.03 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 672.88 TIME(MINUTES) = 17.038 TOTAL AREA(ACRES) = 262.40 FLOW PROCESS FROM NODE 65.00 TO NODE 62.00 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTIME THHU SUBAREA({((( >>}>)USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<( ============================================================================ DEPTH OF FLOW IN 102.0 INCH PIPE IS 80.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.0 UPSTREAM NODE ELEVATION = 1274.00 DOWNSTREAM NODE ELEVATION = 1270.00 FLOWLEmGTH(FEET) = 900.00 MAmN%NGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 672.88 TRAVEL TIME(MIN.) = 1.07 TC(MIN.) = 18.11 **************************************************************************** FLOW PROCESS FROM NODE 62.00 TO NODE 62.m0 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATIbN(MIN(]TES) = l8.11 TuTA_ STREAM AREA (ACRES) = 262.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENLE 672.88 0 FLOW PROCESS FROM NODE 946'00 TO NODE 62.00 IS CODE = 2 ____________________________________________________________________________ 0>))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 888.00 UPSTREAM ELEVATION = 1283.00 DOWNSTREAM ELEVATION = 1270.23 ELEVATION DIFFERENCE = 12.77 TC = .303*[( 888.00**3)/( 12.77)]**.2 = 10.700 100.00 YEAR RAINFALL lNTENSlTY(INCH/HOUR) = 4.136 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8348 SUBAREA RUNOFF(CFS) = 20.37 TOTAL AREA(ACRES) = 5.90 TOTAL RUNOFF(CFS) = E0.37 **************************************************************************** FLOW PROCESS FROM'NODE 948.00 TO NODE 62.00 IS CODE = 8 ------------ --------------------------------- >>>/>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<( 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.136 SOlL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8348 SUBAREA AREA(ACRES) = 4.90 SUBAREA RUNOFF(CFS) = 16.92 TOTAL AREA(ACRES) = 10.80 TOTAL RUNOFF(CFS) = 37.29 TC(MIN) = 10.70 **************************************************************************** FLOW PROCESS FROM NODE 62.w0 lO NODE 62.00 IS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>}>AmD COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT SCREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 10.70 RAINFALL INTENSITY (INCH./HOUR) = 4.14 TOTAL STREAM AREA (ACRES) = 10.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 37'29 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 672.88 18.11 3'016 2 37.29 10.70 4.136 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATlC FORMULA(S8C) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 700.07 434.85 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 700.07 TIME(MINUTES) = 18.111 TOTAL AREA(ACRES) = 273.20 yg Cq F ' :it a r. c'::' R 4` iS",f" tii: xx(' k 'T:tx'FA' .:x- .c 'kxk]!"x RR �7t:;A'R"•A R 7t Yt Yr 7!!t"1r X' #fit # 1t R x'Xtf # R•7t it FLOW PROCESS FROM NODE 62.00 1 NODE 62. uO IS CODE = 1 -------------------------------- > >> >) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE( <((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: T.f.ME OF CONCENTRATION(MINUTES) = 18.11 RAINFALL 1NTENSIT'Y (INCH. /HOUR) = 3.02 TOTAL STREAM AREA (ACRES) = 273.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 700.07 FLOW PROCESS FROM NODE 62.00 10 NODE 62.00 IS CODE = 7 )))))USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((( ------------------------------------------------------ USER- SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 15.41 RAIN INTENSITY(INCH /HOUR) = 3.35 TOTAL AREA(ACRES) = 69.86 TOTAL RUNOFF(CFS) = 196.19 FLOW PROCESS FROM NODE 62.00 10 NODE 62.00 IS CODE = 1 ) >)> >DESIGNATE,INDEPENDENT STREAM FOR CONFLUENCE((((( )>)>)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.41 RAINFALL INTENSITY (INCH. /HOUR) = 3.32 TOTAL STREAM AREA (ACRES) = 69.86 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 196.19 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH /HOUR) ------------------------------------------------------ 1 700.07 18.11 3.016 2 196.19 15.41 3.323 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 878.14 791.87 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 878.14 TIME(MINUTES) = 18.111 TOTAL AREA(ACRES) = 343.06 PIPEFLOW VELOCITY(FEET /SEC.) = 24.0 UPSTREAM NODE ELEVATION = 1270.00 DOWNSTREAM NODE ELEVATION = 1263.00 FLOWLENGTH(FEET) = 450. MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 90.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 878.14 TRAVEL TIME(MIN.) = .31 TC(MIN.) = 18.42 FLOW PROCESS FROM NODE 62.00 TO NODE 99.00 IS CODE = 3 ---------------------------------------------------------------------------- )))))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >)) ))USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)((((( ------------------------------- DEPTH OF FLOW IN 90.0 INCH PIPE IS 69.4 INCHES Mw FLOW PROCESS FROM NODE 99.00 lO NODE 67.00 IS CODE = 3 ---------------------------------------------------------------------------- >>>>>COMPUTE PlPEFLOW TRAVELTImE THRU SUBAREA((((( >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( uOMk �m� DEPTH OF FLOW IN 102.0 ImCH PIPE IS 78.6 INCHES pIPEFLOW VELOCITY(FEET/SEC.) = 18.7 UPSTREAM NODE ELEVATION = 1263.00 DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH(FEET) = 250.00 MAmNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 878.14 TRAVEL TIME(MIN.) = .22 TC(MlN.) = 18.65 ****** ************************* **************** FLOW PROCESS FROM NODE 67.00 lO NODE 67.mN IS CODE = 1 -------------------------------------------------------------- -------------- )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.65 RAINFALL INTENSITY (INCH./HOUR) = 2.96 TOTAL STREAM AREA (ACRES) = 343.06 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 878.14 **************************************************************************** FLOW PROCESS FROM NODE 850.10 TO NODE 975.00 IS CODE = 2 >>>}>RATlONAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC ~ K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 -�' INITIAL SUBAREA FLOW-LENGTH '= 1000.00 UPSTREAM ELEVATION = 1278.38 DOWNSTREAM ELEVATION = 1272.31 ELEVATION DIFFERENCE = 6.07 TC = .303*[( 1000.00**3)/( 6.07)3**.2 = 13.334 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.624 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8326 SUBAREA RUNOFF(CFS) = 3.32 TOTAL AREA(ACRES) = 1.10 TOTAL RUNOFF(CFS) = 3.32 FLOW PROCESS FROM NODE 975.00 lO NODE 67.w0 IS CODE = 6 ---------------------------------------------------------------------------- >>>>>COMPUTE STREETFLOW TnAVELTImE THRU SuBAREA(<<<< === == === UPSTREAM ELEVATION = 1272.31 DOWNSTREAM ELEVATION = 1260.97 STREET LENGTH(FEET) = 994.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 38.00 STREET CROGSFALL(DECIMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNUFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 13.219 STREET FLOWDEPTH(FEET) = .57 HALFSTREET FLOODWIDTH(FEET) = 15.78 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.76 PRODUCT OF DEPTH&VELOClTY = 2.14 STREETFLOW TRAVELTlME(MIN) = 4.41 IC(MIN) = 17.74 100.00 YEAR RAINFALL INTENSlTY(INCH/*OUR) = 3.053 SOIL CLASSIFICATION IS "A" 'W-=R-^mu u^VcLup/,t/v. /WAU,, ..u'hh-^10.. = .W"+ SUBAREA AREA(ACRES) = 7.80 SUBAREA RJmUFF(CFS) = 19.75 auNmED AREA(ACRES) = 8.90 TOTAL RUNOPF(CFS) = 23.07 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .68 HALFSTREET FLOODWlDTH(FEET) = z9.72 **************************************************************************** FLOW PROCESS FROM NODE 67.00 TO NODE 67.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>}>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<(< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.74 RAINFALL INTENSITY (INCH./HOUR) = 3.05 TOTAL STREAM AREA (ACRES) = 8.90 TOTAL STREAM RUNOFF<CFS> AT CONFLUENCE = 23.07 **************************************************************************** FLOW PROCESS FROM NODE 977.00 TO NODE 90.00 IS CODE = 2 ____________________________________________________________________________ )?)))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ====== ================================ ASSUMED'INITIAL SUBAREA UNIFORM DEVELOPMENT00 COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 750.00 UPSTREAM ELEVATION = 1278.00 DOWNSTREAM ELEVATION = 1266.00 ELEVATION DIFFERENCE = 12.00 TC = .303*[( 75N.N@**3)/( 12'00)]**.2 = 9.790 100.00 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 4.363 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8356 SUBAREA RUNOFF(CFS) = 24.42 TOTAL AREA(ACRES) = 6.70 TOTAL RUNUFF(CFS) = 24.42 **********************************************************************v***** FLOW PROCESS FROM NODE 90.00 TO NODE 68.00 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USING COMPUTER-ESTIMATED PIpESIZE (NON-PRESSUHE FLOW)((((( DEPTH OF FLOW IN 27.0 INCH PIPE IS 22.1 INCHES PlPEFLOW VELOCITY(FEET/SBC.) = 7.0 UPSTREAM NODE ELEVATION = 1266.00 DOWNSTREAM NODE ELEVATION = 1263.00 FLOwLENGTH(FEET) = 456.00 mAwwImGS.N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 pzPEFLOW THRU SUBAREA(CFS) = 24.42 TRAVEL TIME(MIN.) = 1.08 TC(MIN.) = 10.87 FLOW PROCESS FROM NODE 976.00 TO NUDE 68.00 IS CODE = 8 ---------------------------------------------------------------------------- }>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSlTY(IWCH/HOUR) = 4.096 SOIL CLASSIFICATION IS ^A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8346 SUBAREA AREA(ACRES) = 6.50 SUBAREA RUWOFF(CFS) = 22.22 own TOTAL AREA(ACRES) = 13.20 TOTAL RUwOFF(CFS) = 46.65 **************************************************************************** FLOA PROCESS FROM NODE 68.mN 70 NODE 67.u0 IS CODE = 3 AWN ---------------------------------------------------------------------------- /}>/>CONPUTE PIPEFLOW TRAVELTImE THRU SUBAREA(<<(< >>)>>uSING COMPUTER-ESTIMATED PIPESIIE (NON-PRESSURE FLCW)<<(<< DEPTH OF FLOW IN 39.0 INCH PIPE IS 28.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.1 UPSTREAM NODE ELEVATION = 1263.00 DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH(FEET) = 475.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = � PIPEFLOW THRU SUBAREA(CFS) = 46.65 TRAVEL TlME(MIN.) = 1.11 TC(MIN.) = 11.99 FLOW PROCESS FROM NODE 67.00 lO NODE 67.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR COmFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED S[REAm VALUES<<(<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 11.99 RAINFALL INTENSITY (INCH./HOUR) = 3.86 TOTAL STREAM AREA (ACRES) = 13.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 46.65 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ____________________________________________________________________________ y�°� 1 878.14 ' 18.65 ' ^ 2.364 �_~ 2 23.07 17.74 3'053 - 3 46.65 11.99 3.864 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 936.32 895.68 626.71 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 936.32 TIME(MINUTES) = 18.645 TOTAL AREA(ACRES) = 365.16 FLOW PROCESS FROM NODE 67.00 )O NODE 27.w0 IS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTlME THRU SUBAREA((((( >>>>>USING COMPUTER-ESTIMATED PlPESlZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 90.0 INCH PIPE IS 70.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 25.4 UPSTREAM NODE ELEVATION = 1261.00 DOWNSTREAM NODE ELEVATION = 1248'00 FLOWLENGTH(FEET) = 750.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 90.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 936.32 TRAVEL TlME(MIN.) = .49 7C(MlN.) = 19.14 **************************************************************************** FLOW PROCESS FROM NODE 27.00 10 NODE 27.00 lS CODE = 1 --------`------- >>>`>DESIGNATE INDEPENDENT STHEoM FLR [OKFLUENCE(<<<( C0uiLuEnCE VALUES USED FOR INDEPENDENT ST+EPM 1 ARE: ''ME OF CONCENTRATION(MINUTES} = 19.14 �-� RAINFALL INTENSITY (INCH./HOUR) = 2.92 TOTAL STREAM AREA (ACRES) = 365'16 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 936.32 ********************************************* ************** FLOW PROCESS FROM NODE 978.30 TO NODE 978.40 IS CODE = 2 ---------------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC ~ K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 760.0ib JPSTREAM ELEVATION = 1263.00 DOWNSTREAM ELEVATION = 1255.00 ELEVATION DIFFERENCE = 8.00 TC = .303*[( 760.00**3)/( 8.00)3**.2 = 10.702 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.136 SOIi CLASSIFICATION IS "A'' COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8348 SUBAREA RUNOFF(CFS� = 20.30 TOTAL AREA(ACRES) = 5.88 TOTAL RUNOFF(CFS) = 20.30 **************************************************************************** FLOW PROCESS FROM NODE 978.40 )O NODE 27.w0 iS CODE 6 ---------------------------------------------------------------------------- }>>>>COMPUTE STREETFLOW TRAVELTImE THRU SUBAREA(<<<< ============================================================================ UPSTREAM ELEVATION = 1255.00 DOWNSTREAM ELEVATION = 1248.70 �-� STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 38.00 STREET CROSSFALL(DECIMAL) = .0270 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = l **TRAVELTlME COMPUTED USING MEAN FLOW(CFS) = 23.12 STREET FLOWDEPTH(FEET} = .63 HALFSTREET FLOODWIDTH(FEET) = 18.03 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.07 PRODUCT OF DEPTH&YELOCITY = 3.20 STREETFLOW TRAVELTIME(MIN) = 1.15 TC(MIN) = 11.85 100.00 YEAR RAINFALL lNTENSITY(INCH/HOUR) = 3.890 SOIL CLASSIFICATION IS "A" coMmERozeL DEVELOPMENT RUNOFF ooEFFzozsmT '8338 SUBAREA AREA(ACRES) = 1'74 SUBAREA RUwOFF(CFS) = 5.64 SUMMED AREA(ACRES) = 7'62 TOTAL RUNOFF(CF8) = 25.94 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .65 HALFSTREET FLOODWIDTH(FEET) = 18.59 FLOW vELOClTY(FEET/5EC.) = 5.36 DEPTH*VELOCITY = 3.46 FLOW PROCESS FROM NODE 27.00 TO NODE 27.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<(( )}>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT ST/<EAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.85 RAINFALL INTENSITY (INCH./HOUR) = 3.89 o TOTAL STREAM AREA (ACRES) = 7'62 b oll .u..'- �..,u,.'/ r�uNu'',u^-':�/ /,/ L,u.`r- -u1:-^L.0 c:^.-:j+ CONFLUENCE INFO STREAM RUNOFF NUMBER (CFS) 1 936.32 2 25.94 9MATlON: TIME INTENSITY (MIN.) (INCH/HOUR) ----------------------- 19.14 2'9z8 1i.85 3.890 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(S8C) USED FUR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 955.78 605.88 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 955.78 TIME(MINUTES) = 19.138 TOTAL AREA(ACRES) = 372.78 **************************************************************************** FLOW PROCESS FROM NODE 27.00 TO NODE 27.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DEGIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============= ================================================= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.14 RAINFALL INTENSITY (INCH./HOUR) = 2.92 TOTAL STREAM AREAAACRES> = 372.78 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 955.78 **************************************************************************** FLOW PROCESS FROM NODE 707.00 TO NODE 99.w0 1S CODE = 2 ---------------------------------------------------------------------------- >>>/>RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<<<( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K*[(LENGTH**3)/(ELEVATIOw CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 509.00 UPSTREAM ELEVATION = 1271.95 DOWNSTREAM ELEVATION = 1263.00 ELEVATION DIFFERENCE = 8.95 TC = .303*[( 509.00**3)/( 8'903**.2 = 8.227 100.00 YEAR RAINFALL lNTENSlTY(INCH/HOUR) = 4.842 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8370 SUBAREA RUNOFF(CFS) = 7.30 TOTAL AREA(ACRES) = 1.80 TOTAL RUmOFF(CFS) = 7.30 ************** ************************************************* FLOW PROCESS FROM NODE 99.00 10 NODE 27.00 IS CODE = 6 ____________________________________________________________________________ >>>}>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( ============================================================================ UPSTREAM ELEVATION = 1263.00 DOWNSTREAM ELEVATION = 1248.33 STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 38.00 STREET CROSSFALL(DECIMAL) = .0210 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 9.48 STREET FLOWDEPTH(FEET) = .49 HALFSTREET FLOOUWIDTH(FEET) = 12.97 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.88 PRODUCT OF DEPTH&VELOClTY = 1.92 STREETFLOW TRAVELTIME(MIN) = 4.30 TC(MIN) = 12.53 SOlU CLASGIFICA`IOm IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8333 SUBAREA AREA(ACRES) = 1.40 SUBAREA RUNUFF(CFS) = 4.39 SUMMED AREA(ACRES) = 3.20 TOTAL RUNOFF(CFS) = 11.69 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .52 HALFSTHEET FLOODWIDTH(FEET) = !4.09 FLOW VELOCITY(FEET/SEC.) = 4.09 DEPTH*VELOCITY = 2.15 **************************************************************************** FLOW PROCESS FROM NODE 27.00 TO NODE 27.00 IS CODE � 1 ____________________________________________________________________________ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<(( >}>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) 12.53 RAINFALL INTENSITY (INCH./HOUR) = 3.76 TOTAL STREAM AREA (ACRES) = 3'20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11.69 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ----------------- _------------------------------------------------------------ 1 955'78 19.14 2.918 2 11.69' 12.53 3.763 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORmULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 964.85 637.24 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 964.85 TIME(MINUTES) = 19.138 TOTAL AREA(ACRES) = 375.96 FLOW PROCESS FROM NODE 27.00 lO NODE 27.w0 IS CODE = 1 ---------------------------------------------------------------------'------- >>>>>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19'14 RAINFALL INTENSITY (INCH./HOUR) = 2.92 TOTAL STREAM AREA (ACRES) = 375'98 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 964.85 **************************************************************************** FLOW PROCESS FROM NODE 27.00 iO NODE 27.u0 IS CODE = 7 ---------------------------------------------------------------------------- )))))USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((( USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M{N) = 17.63 RAIN INTENSITY(lNCH/HOUR) = 3.07 TOTAL AREA(ACRES) = 54.53 TOTAL RUNOFF(CFS) = It8.46 ************ ************************************************** FLOW PROCESS FROM NODE 27.m0 lO NODE 27.w0 IS CODE = 1 ____________________________________________________________________________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<(< >>>)>AND COMPUTE VARIOUS CUNFLUENCED STREAM VALUES((((( ~�-iL_ums ubtu ,uk Wua,=~W"/ 6 Namm mw: TIME Uiz CONCENTRATION(MINUTES) = 17.63 RAINFALL INTENSITY (INCH./HOUR) = 3.07 TOTAL STREAM AREA (ACRES) = 54.53 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 158.46 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CPS) (MIN.) (INCH/HOUR) -------------------------------------------------------- 1 964.85 19.14 2.918 2 158.46 17.63 3.065 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 5 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 1115.69 1047.29 COMPUTED CONFLUENCE ESTIMATES AkE AS FOLLOWS: RUNOFF(CFS) = 1115.69 TIME(MINUTES) = 19.138 TOTAL AREA(ACRES) = 430.51 **************************************************************************** FLOW PROCESS FROM NODE 27.00 10 NODE eQw0 IS CODE = 3 ____________________________________________________________________________ >>>>}COmPUTE PIPEFLOW TRAVELTIwE THHU SUBAREA((((( >>)>>USImG COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)((((( DEPTH OF FLOW IN 138.0 INCH PIPE IS 107.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.8 UPSTREAM NODE ELEVATION = 1248.00 DOWNSTREAM NODE ELEVATION = 1247.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = z38.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1115.69 �-� TRAVEL TIME(MIN.) = .52 TC(MIN') = 19.66 FLOW PROCESS FROM NODE 709'00 )O NODE 6.wB lS CODE = 8 )0))ADDITION OF SUBAREA TO MAINLINE PEHK PLOW(((<( ==~========================================================================= 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.871 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8281 SUBAREA AREA(ACRES) = 2.70 SUBAREA RUNOFF(CFS) = 6.42 TOTAL AREA(ACRES) = 433.21 TOT*L RUNOFF(CFS) = 1122.11 To(wzw) = 19.66 ******** ****** *********************************** FLOW PROCESS FROM NODE 709.10 TO NODE 26.w@ lG CODE = 8 ))))>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 100.00 YEAR RAINFALL INTENSlTY(INCH/HOUR) = 2.871 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8281 SUBAREA AREA(ACRES) = 3.80 SUBAREA RUNOFF(CFS) = 9.04 TOTAL AREA(ACRES) = 437.01 TOTAL RUNOFF(CFS) = 1131.15 TC(MlN) = 19.66 **************************************************************************** A~~k ; FLOW PROCESS FROM NODE 26.00 TO NODE 26.00 lS CODE = 1 0>//DESIGNATE IwDEPENDEw7 STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.66 RAINFALL INTENSITY (INCH./HOUR) = 2.87 TOTAL STREAM AREA (ACRES) = 437'01 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1131.15 FLOW PROCESS FROM NODE L6.w0 lO NODE L6.Y0 IS CODE = 7 ---------------------------------------------------------------------------- >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE((((( USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.58 RAIN INTENSlTY(INCH/HOUR) = 3.58 TOTAL AREA(ACRES) = 43.10 TOTAL RUNOFF(CFS) = 135'52 **************************************************************************** FLOW PROCESS FROM NODE 2000 lO NODE 06.w0 IS CODE = 1 ____________________________________________________________________________ >>>>>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE(<<(< >>>>>AND COMPUTE VARIOUS CONFLUENCED S[REAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.58 RAINFALL INTENSITY (INCH./HOUR) = 3.58 TOTAL STREAM AREA (ACRES) = 43'10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 135.52 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY MUMBER (CFS) (MIN.) (INCH/HOUR) ApmN ________________________________________________________________ � ~� 1 1131.15 19.66 2.871 �� 2 135.52 13.58 3.585 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 S[HEAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 1239.70 916.94 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1239.70 TIME(MINUTES) = 19.658 TOTAL AREA(ACRES) = 480.11 *************************************************************** * FLOW PROCESS FROM NODE 26.w0 10 NODE 28.mN IS CODE = 3 ---------------------------------------------------------------------------- >>>>>COMPUTE PlPEFLOW TRAVELTlME T*RU SUBAREA((((( >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE F�OW)(<<(< ============================================================================ DEPTH OF FLOW IN 102.0 INCH PIPE IS 77.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.> = 27.0 UPSTREAM NODE ELEVATION = 1247.00 DOWNSTREAM NODE ELEVATION = 1235.00 FLOWLENGTH(FEET) = 710.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1239.70 TRAVEL TIME(MIN.) = .44 TC(MlN.) = 20.10 .' ********** ******************************************************* AMR FLOW PROCESS FROM NODE 28.00 7O NODE 28.00 IS CODE = 1 Nool >>>>>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE<(((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 20.10 RAINFALL INTENSITY (INCH./HOUR) = 2.83 TOTAL STREAM AREA (ACRES) = 480'11 TOTAL STREAM RUNOFF(CFS) AT CONF-UENCE = 1239.70 ************************************************=*************************** FLOW PROCESS FROM NODE 710.00 TO NODE 710.20 lS CODE = 2 ---------------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ====~======================================================================= ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL 7C = K*[(LENGTH**3)/(ELEVATION CHoNGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 620.Om UPSTREAM ELEVATION = 1248.50 DOWNSTREAM ELEVATION = 1237.00 ELEVATION DIFFERENCE = 11.50 TC = .303*[( 620.00**3)/( 11'50)3**.2 = 8.808 100.00 YEAR RAINFALL INTENSI[Y<INCH/HOUR> = 4.648 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8365 SUBAREA RUNOFF(CF9\ = 27.18 TOTAL AREA(ACRES) = 6.99 TOTAL RUNOFF(CFS) = 27'18 FLOW PROCESS FROM NODE 710.L0 lO mOUE 28.00 iS CODE = 3 ____________________________________________________________________________ >>>>>COMPUTE PIPEFLOW TRAVELTImE THHU SUBAREA((((( >>))>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.1 INCHES WIpEFLOW VELOCITY(FEET/SEC.) = 6.4 LPSTREAM NODE ELEVATION = 1237.00 DOWNSTREAM NODE ELEVATION = 1235.00 FLOWLEN8TH(FEET) = 450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 'IPEFLOW THRU SU8AREA(CFS) = 27.18 rRAVEL TIME(MIN.) = 1.17 TC(MIN.) = 9.98 FLOW PROCESS FROM NODE 28.00 lO NODE 28.00 is CODE = 1 ____________________________________________________________________________ )>>>>DESlGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED SFREAm VALUES<<(<< CONFLUENCE VALUES USED FOR INDEPENDENT SrREAm 2 ARE: TIME OF CONCENTRATION(MINUTES) = 9.98 RAINFALL INTENSITY (INCH./HOUR) = 4.31 TOTAL STREAM AREA (ACRES) = 6.99 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE ~ 27.18 CON=LUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MlIN.) (INCH/HOUR) ____________________________________________________________________________ 1 1239.70 20.10 2.833 2 27.18 9.98 4'3 RAINFALL INTENSITY AND TIME OF CONCENTRATTON RATIO x4RlJuS CO*FLuENCED HuNDAF VA.oLS 1257.55 642.46 CGMPU7ED CONFLUENCE ESTIMATES AHE RUN9PF(CFS) = 1257.55 TIME(Ml VOToL AREA(ACRES) = 487.10 A:E 08 FOLLOWS: AS PULLOWS: ~UTES) = 20.103 FLOW PROCESS FROM NODE 28.wW lO NODE 650.wO !S CODE = 3 ____________________________________________________________________________ 0>000MPUTE PIPEFLOW TRAVELTIME THHU SUBAREA((((( 0>/)USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)(<<<( DEPTH OF FLOW IN 108.0 INCH PIPE IS 77.3 INCHES PIPEFLOW VELOClTY(FEET/SEC.) = w5.8 UPSTREAM NODE ELEVATION = 1235.00 DOWNSTREAM NODE ELEVATION = 1226.00 FLOWLENGTH(FEET) = 625.00 MANNINGS m = .013 ESTIMATED PIPE-DIAMETER(INCH) = 108.00 NUMBER OF PIPES = 1 pIPEFLOW THRU SUBAREA(CFS) = 1257.55 TRAVEL TIME(MlN.) = .40 TC(MIN.) = 20.51 **************************************************************************** FLOW PROCESS FROM NODE 650.00 lO nODE 650.w0 IS CODE = 1 __-_-__-___--_-____-�_____-_____-___________-____-_____-_-__--_____-___-__-_ `>>`>DESIGNATE INDEPENDENT STREAM FOR CONFLJENCE<<<(( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 2O.51 RAINFALL INTENSITY (INCH./HOUR) = 2.60 TOTAL STREAM AREA (ACRES) = 487'10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1257.55 **************************************************************************** FLOW PROCESS FROM NODE 650.m0 lD NODE 65Km0 IS CODE = 7 _____________________________________________________________ >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<(<(( LSER-SPECIFIED VALUES ARE AS FUL"UWS; TC(nlN) = 24.27 RAIN INTENSlTY(INCH/HOUR) = 2.53 TOTAL AREA(ACRES) = 130.31 TOTHL RLNOFF(CFS) = 259.83 **************************************************************************** FLOW PROCESS FROM NODE 650'?0 lO NODE 650.00 IS CODE = 1 )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<( )>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<{< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AwE: TIME OF CONCENTRATION(MINUTES) = 24.27 RAINFALL INTENSITY (INCH./HOUR) = 2.53 TOTAL STREAM AREA (ACRES) = 130.31 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 259.83 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY %'UMBER (CFS) (MIN.) ([nLH/F0UR) ---------------------------------------------------------------------------- 1 1257.55 20.51 2'799 2 259.83 24.27 2'530 IC RAINFALL INTENSITY A*O TIME 04 CONCENTRATION RATIO VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 1477.08 1396.44 COMP�TED CONFLUENCE ESTIMATES ARE AS FULLOWS: ?UNOFF(CFS) = 1477.08 TIME(MINUTES) = 20.506 %O-0 TOTAL AREA(ACRES) = 617.41 FLOW PROCESS FROM NODE 650.mN lO NODE 603.10 IS CODE = 3 ____________________________________________________________________________ />>>>COMPUTE PIPEFLOW TRAVELTImE THHU SUBAREA((((( >>>>>USING COMPUTER-ESTIMATED PIPESlZE (NON-PRESSURE FuOw)<<(<< DEPTH OF FLOW IN 120.0 INCH PIPE IS 91.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.0 UPSTREAM NODE ELEVATION = 1226.00 DOWNSTREAM NODE ELEVATION = z221.00 FLOWLENGTH(FEET) = 515.00 MANNlNGS N = .013 ESTIMATED PIPE-DIAMETER(INCH) = 1L0.00 NUMBER UF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1477.08 TRAVEL TIME(MIN.) = .37 TC(mlN') = 20.88 END OF RATIONAL METHOD ANALYSIS [A RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM co ERASED ON SAN BERNARDINO COUNTY (SEC) 1583 HYDROLOGY MANUAL <(<<< t(<C(<(((<(<((((((<((((<<((((((< U>)>>) ) >)) > >) > > >) >) > > > > > > ))) > > >> (C) Copyright 198E Advanced Engineering Software CAES] Especially prepared for: HALL & FOREMAN, INC. <<<<<(<(<(<(((((((<C<<(C(<C(<<<((<(((<)>))>>> > >)) >)))))) > >)) > > > > > > > > >> * * * * * * * ** *DESCRIPTION OF RESULTS * * * * * * * * * * * * * * * * * * * * * * ** :INDUSTRIAL AREA HYDROLOGY NODE 37 TO 45 Q 25 ARMED. J. N. 3366, 4/ 1 /87 --------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 AWN 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) _ .980 r/ 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: s °rORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE = .6000 SSC HYDROLOGY MANUAL "C "- VALUES USED Advanced Engineering Software CAES] SERIAL No. A0 580A REV. 3.1 RELEASE DATE: 5/01/85 FLOW PROCESS FROM NODE 848.00 TO NODE 37.00 IS CODE = 2 ---------------------------------------------------------------------------- )) >> )RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( -- - ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: COMMERCIAL TC = K *C(LENGTH * *3)/(ELEVATION CHANGE)] * *.2 INITIAL SUBAREA FLOW - LENGTH = 640.00 UPSTREAM ELEVATION = 1330.00 DOWNSTREAM ELEVATION = 1325.00 ELEVATION DIFFERENCE = 5.00 TC = . 303* C ( 840. 00 * *3) / ( 5.00) ] * *. 2 = 12.484 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.955 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8287 SUBAREA RUNOFF(CFS) = 19.34 TOTAL AREA(ACRES) = 7.90 TOTAL RUNOFF(CFS) m FLOW PROCESS FROM NODE 37.00 TO NODE 45.00 IS CODE = 6 -------------------------------- - -------------------------------------------- )>)> )COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((< UPSTREAM ELEVATION = 1355.00 DOWNSTREAM ELEVATION = 1295.50 STREET LENGTH(FEET) = 1450.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 56.00 STREET CROSSFALL(DECIMAL) _ .0580 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 19.34 STREET FLOWDEPTH(FEET) _ .59 HALFSTREET FLOODWIDTH(FEET) = 16.06 AVERAGE FLOW VELOCITY(FEET /SEC.) = 5.11 PRODUCT OF DEPTH &VELOCITY = 3.03 STREETFLOW TRAVELTIME(MIN) = 4.73 TC(MIN) = 17.51 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.437 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8242 SUBAREA AREA(ACRES) = 0.00 SUBAREA RUNOFF(CFS) = 0.00 SUMMED AREA(ACRES) = 7.90 TOTAL RUNOFF(CFS) = 19.34 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .59 HALFSTREET FLOODWIDTH(FEET) = 16.06 FLOW VELOCITY (FEET /SEC. ) = 5.11 DEPTH *VELOCITY = 3.03 FLOW PROCESS FROM NODE 847.00 TO NODE 45.00 IS CODE = 8 )) >) )ADDITION OF SUBAREA TO MAINLINE PEAT. FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.437 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8542 SUBAREA AREA(ACRES) = 4.80 SUBAREA RUNOFF(CFS) = 9.64 TOTAL AREA(ACRES) = 12.70 TOTAL RUNOFF(CFS) = 28.99 TC(MIN) = 17.21 FLOW PROCESS FROM NODE 847.10 TO NODE 45.00 IS CODE = 8 )) >> )ADDITION OF SUBAREA TO MAINLINE PEAK FLOW((((( 25.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 5.437 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8242 SUBAREA AREA(ACRES) = 4.10 SUBAREA RUNOFF(CFS) = 8.23 TOTAL AREA(ACRES) = 16.80 TOTAL RUNOFF(CFS) = 37.25 TC(MIN) = 17.21 FLOW PROCESS FROM NODE 45.00 TO NODE 45.00 IS CODE = 1 ---------------------------------------------------------------------- - - - - -- > > > >)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( > > > > >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i ARE: TIME OF CONCENTRATION(MINUTES) = 17.21 RAINFALL INTENSITY (INCH./HOUR) = 2.44 TOTAL STREAM AREA (ACRES) = 16.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 37.22 �� CONFLUENCE IN��unnATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ----- _____----- _______----- _____________-_______________ 1 37.22 17.21 2.437 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 37.22 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 37.22 TIME(MINUTES) = 17.213 TOTAL AREA(ACRES) = 16.80 END OF RATIONAL METHOD ANALYSIS