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Home My WebLink AboutHydrology(Mar.17,1999) ". .1 ~, '~ ,." J HYDROLOGIC/HYDRAULIC ANALYSIS FOR TRACT 29033 CITY OF TEMECULA COUNTY OF RIVERSIDE REC JOB NO. 13193T RECEIVED MAR 1 \8 1999 CITY OF TEMECULA ENGINEERING DEPARTMENT February 26, 1999 Revised March 17, 1999 ~ I ' EDW . RATlCAN R.C.E. 46804 Expires 6-30-99 Prepared for: TEMEKU HILLS DEVELOPER PARTNER L.P. A CALIFORNIA LIMITED PARTNERSHIP 2727 Hoover Avenue National City, CA 91950 Prepared by: RICK ENGINEERING COMPANY 3050 Chicago Avenue, Suite 100 Riverside, CA 92507 (909) 782-0707 \ I. 'I " TABLE OF CONTENTS PURPOSE ................................................................... 1 PROJECT DESCRIPTION ...................................................... 1 HYDROLOGY ............................................................... 1 HYDRAULICS ............................................................... 1 CONCLUSION ............................................................... 1 LIST OF APPENDICES A. HYDROLOGY STUDY (lO-YEAR STORM EVENT) . .. . ... .. . . . .. . .. . . . . . . . .. 2 B. HYDROLOGY STUDY (lOO-YEAR STORM EVENT) . . .. . ... . .. . ... . . . . .. .. .14 C. HYDRAULIC ANALYSIS (SURF ACE STREETS AND CATCH BASINS) ....... 26 D. HYDRAULIC ANALYSIS (WSPGN - INPUT, EDIT AND OUTPUT FILES) 1. LINE A-I ...................................................... 29 2. LINE A-2 ...................................................... 34 3. LINE B ........................................................ 39 RATIONAL METHOD HYDROLOGIC ANALYSIS SUB-BASIN MAP ..... Pocket 2.. t. i' PURPOSE This report represents the hydrology and hydraulic analysis of the 100-year, 24-hour storm event for the Temeku Hills Development, Tract 29033-1 in the City of Temecula, County of Riverside, California. This report was prepared following the guidelines and regulations within the Riverside County Flood Control and Water Conservation District's Hydrology Manual (1978). PROJECT DESCRIPTION Tract No. 29033 is part of the Temecula Hills Development located in the City of Temecula. The Tracts contain 70 single family lots on Sunningdale Drive and a 2.6 acre slope down to Congressional Drive. Thirty-seven lot front on Sunningdale Drive to the north and Golf Course to the south and east. Thirty-three lots front Sunningdale Drive to the south and the slope to Congressional Drive on the north. . LOts east of the high point in Congressional Drive drain into the storm drain systems for tract 23371- 11. The sump catch basin at the end of Meadowbrook Way connects to line "E" in Tract 23371-11. Lots west of the high point in Sunningdale Drive drain into two flowby catch basins that are joined to ;tine "A" in Temeku Drive. Additional run off flows into Temeku Drive. The slope in Tract 29033 was graded with Tract 23371-11 hydrology and hydraulic information for the slope are a part ofthe'23371-11 hydraulic and hydrology analysis. HYDROLOGY The Riverside County Flood Control and Water Conservation District (RCFC) Rational Method (A'dvanced Engineering Software, Version 1.5A, copyright 1982-1996) is used to determine the onsite runoff for the 100-year, 24-hour storm event. HYDRAULICS Water surface profiles in the proposed storm drain pipes are calculated using WSPGN, Riverside County Flood Control District Program No. FO 515P, Water Surface Pressure Gradient Hydraulic Analysis Computer Program, Version 7. Calculations are labeled Appendix C. CONCLUSION These supporting hydrology and hydraulic calculations are provided to substantiate the design of the pn;Jposed storm drain facilities. Onsite hydrology map is included. F:\lJ19J\lJI9JV\002. WPD .3 " 1 , ! f! APPENDIX A HYDROLOGY STUDY 1(10- YEAR STORM EVENT) . ........ 4 '. ~ *******:********************************************************************* i I RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON RIVERSIDE COUNTY FLOOD CONTROL & WATER CONSERVATION DISTRICT (RCFC&WCD) 1978 HYDROLOGY MANUAL (C) Copyright 1982-96 Advanced Engineering Software (aes) Ver. 1.5A ,Release Date: 01/01/96 License ID 1261 Analysis prepared by: RICK ENGINEERING COMPANY WATER RESOURCES DIVISION 5620 FRIARS ROAD, SAN DIEGO, CA 92110 (619) 291-0707 ****1********************* DESCRIPTION OF STUDY ************************** * IN 13193T TRACT 29033TEMEKU HILLS I * DEV~LOPED CONDITION, 10 YEAR, 1 HOUR * MOD~LED BY EDL ****1********************************************************************* 1 FILE NAME: 193T.DAT , TIME/DATE OF STUDY: 16: 0 i -----1---------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: _____1______________________________________________________________________ i USER SPECIFIED STORM EVENT(YEAR) ; I SPEG:IFIED MINIMUM PIPE SIZE(INCH) ; 18.00 I SPEG:IFIED PERCENT OF GRADIENTS (DECIMAL) TO USE I 10-YEAR STORM 10-MINUTE INTENSITY (INCH/HOUR) ; I 10-1EAR STORM 60-MINUTE INTENSITY (INCH/HOUR) ; 100 [YEAR STORM la-MINUTE INTENSITY (INCH/HOUR) ; 1001YEAR STORM 60-MINUTE INTENSITY (INCH/HOUR) SLOPE OF 10-YEAR INTENSITY-DURATION CURVE ; I SLOPE OF lOa-YEAR INTENSITY-DURATION CURVE; I COMPUTED RAINFALL INTENSITY DATA: I STORM EVENT; 10.00 1-HOUR INTENSITY (INCH/HOUR) I SLOPE OF INTENSITY DURATION CURVE; .5506 I RCFG:&WCD HYDROLOGY MANUAL "C"-VALUES USED I NOT : COMPUTE CONFLUENCE VALUES ACCORDING TO RCFC&WCD HYDROLOGY MANUAL AND IGNORE OTHER CONFLUENCE COMBINATIONS FOR DOWNSTREAM ANALYSES * * * 2/22/1999 10.00 FOR FRICTION 2.360 .880 SLOPE ; .90 3.480 1.300 .5505732 .5495536 .8888 **************************************************************************** ~ I . ~ FLOW PROCESS FROM NODE , I 10.00 TO NODE 11.00 IS CODE; 21 .., ----7,---~'------------------------------------------------------------------ ==:::l:~~~~:~=:~~~~~=~:~~~~=~~~~~=~~:~~~:::::======================== ,ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC 1 K*[(LENGTH**3)/(ELEVATION CHANGE)] **.2 INITIAL SUBAREA FLOW-LENGTH = 193.00 UPSTREAM ELEVATION = 1274.00 I DOWNSTREAM ELEVATION = 1268.90 I ELEVATION DIFFERENCE = 5.10 TC i .393*[( 193.00**3)/( 5.10)]**.2 = 6.665 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.980 I son, CLASSIFICATION IS "C" I SINGLELFAMILY(l/4 ACRE I SUBAREA RUNOFF (CFS) = I TOTAL AREA (ACRES) = . I I *****1********************************************************************** FLOW PROCESS FROM NODE 11.00 TO NODE 12.00 IS CODE = 6 I -----1---------------------------------------------------------------------- >>>1>C0MPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< -----~---------------------------------------------------------------------- -----1---------------------------------------------------------------------- LOT) RUNOFF COEFFICIENT = 1. 20 .49 .8247 TOTAL RUNOFF (CFS) = 1. 20 UPSTREAM ELEVATION = , STREET LENGTH (FEET) = I STREETHALFWIDTH(FEET) I DISTANCE FROM CROWN TO CROSS FALL GRADEBREAK I INT~RIOR STREET CROSS~ALL(DECIMAL) = OUTSIDE STREET CROSS FALL (DECIMAL) = I . SPEaIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1268.90 308.00 = 18.00 DOWNSTREAM ELEVATION = CURB HEIGHT (INCHES) = 6. 1260.90 16.00 .020 .064 1 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) = 1.89 S REETFLOW MODEL, RESULTS: . STREET FLOWDEPTH(FEET) = .28 HALFSTREET FLOODWIDTH(FEET) = 6.75 .AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.08 PRODUCT OF.DEPTH&VELOCITY = .87 STREETFLOW TRAVELTIME (MIN) = 1.67 TC(MIN) = 8.33 I 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.636 I SOIl!, CLASSIFICATION IS "C" I SINGLE-FAMILY(l/4 ACRE LOT) RUNOFF COEFFICIENT = .8167 I SUBAREA AREA(ACRES) = .63 SUBAREA RUNOFF(CFS) = 1.36 I I ~ ? S~ED ~EA(ACRES) = 1.12 TOTAL RUNOFF(CFS) = ENDIOF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = FLOW VELOCITY(FEET/SEC.) = 3.38 DEPTH*VELOCITY = I I I I *****f********************************************************************** I FLOW PROCESS FROM NODE 12.00 TO NODE 13.00 IS CODE = 6 _____1____________________________________________________________________ i -- >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< =====t====================================================================== UPSTREAM ELEVATION = 1260.90 DOWNSTREAM ELEVATION = 1252.00 , I STREET LENGTH(FEET) = 255.01 CURB HEIGHT (INCHES) = 6. I STREET HALFWIDTH(FEET) = 18.00 I I I DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 16.00 INTERIOR STREET CROSS FALL (DECIMAL) = .020 I OUTSIDE STREET CROSSFALL(DECIMAL) = .064 I . SPE~IFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 I I **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = S REETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .32 HALF STREET FLOODWIDTH(FEET) = 8.50 AVERAGE FLOW VELOCITY(FEET/SEC.) = I PRODUCT OF DEPTH&VELOCITY = 1.17 STREETFLOW TRAVELTIME (MIN) = 1.16 TC(MIN) = I I 1@ YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.454 i SOIL CLASSIFICATION IS "C" I SINGLE-FN~ILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8117 I SUBfREA AREA (ACRES) = .67 SUBAREA RUNOFF (CFS) = SUM~ED AREA(ACRES) = 1.79 TOTAL RUNOFF(CFS) = ENDIOF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .32 HALFSTREET FLOODWIDTH(FEET) I FLOW VELOCITY(FEET/SEC.) 4.43 DEPTH*VELOCITY = I I *****t********************************************************************** FLOW PROCESS FROM NODE 13.00 TO NODE 13.00 IS CODE = 1 -----+---------------------------------------------------------------------- >>>~>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< I . . =====t====================================================================== , TOT~L NUMBER OF STREAMS = 2 I i 2.56 7.75 1;03 3.23 3.67 9.49 1. 33 3.89 8.50 1.41 . CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: " I ~ TIMfOF CONCENTRATION(MIN.) = 9.49 RAI~FALL INTENSITY (INCH/HR) = 2.45 TOTAL STREAM AREA(ACRES) = 1.79 I PEAK FLOW RATE (CFS) AT CONFLUENCE = 3.89 *****i********************************************************************** FLOf PROCESS FROM NODE 14.00 TO NODE 15.00 IS CODE = 21 -----r---------------------------------------------------------------------- >>>>>~~TIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< =====1====================================================================== I ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC T K*[(LENGTH**3)/(ELEVATION CHANGE)] **.2 , INITIAL SUBAREA FLOW-LENGTH = 447.00 , UPSTREAM ELEVATION = 1262.10 I DO~STREAM ELEVATION = 1257.10 ELEVATION DIFFERENCE = 5.00 TC t .393*[( 447.00**3)/( 5.00)]**.2 = 11.075 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.253 I SOIL CLASSIFICATION IS "C" , SINyLE-FAMILY(l/4 ACRE SUB~EA RUNOFF (CFS) = TOTAL AREA (ACRES) = LOT) RUNOFF COEFFICIENT = 1. 80 .99 .8055 TOTAL RUNOFF(CFS) = 1. 80 i **************************************************************************** I FLOW PROCESS FROM NODE I -----T---------------------------------------------------------------------- __:::I::~~~~:~_::~~~:~~~~_:~~~:=~~_=~~~_:~~~~:::::______________________ -----,---------------------------------------------------------------------- UPSTREAM ELEVATION = 1257.10 DOWNSTREAM ELEVATION = 1252.00 , STRfET LENGTH(FEET) = 180.00 CURB HEIGHT (INCHES) = 6. STRiET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 16.00 I INTERIOR STREET CROSSFALL(DECIMAL) = I OUTSIDE STREET CROSS FALL (DECIMAL) = I . SPE~IFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 1 15.00 TO NODE 13.00 IS CODE = 6 .020 .064 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) = STREETFLOW MODEL RESULTS: i STREET FLOWDEPTH(FEET) = .29 I 2.23 ~ BALFSTREET FLOODWIDTH(FEET) = 7.25 .1 AVERAGE FLOW VELOCITY(FEET/SEC.) = PRODUCT OF DEPTH&VELOCITY = .96 STR~ETFLOW TRAVELTIME (MIN) = .92 TC(MIN) = 1 , 3.27 11.99 I 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.157 I SOIl[' CLASSIFICATION IS "C" SINGLE-FAMILY(l/4 ACRE LOT) RUNOFF COEFFICIENT = .8022 I SUBfREAk~EA(ACRES) = .50 SUBAREA RUNOFF (CFS) = SUMM1ED AREA (ACRES) = 1.49 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = I FLOW VELOCITY(FEET/SEC.) = 3.52 DEPTH*VELOCITY = .87 2.66 7.75 1. 07 **************************************************************************** I FLOW PROCESS FROM NODE 13.00 TO NODE 13.00 IS CODE = 1 I I -----T---------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>t>Ai~D COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< _____1________________________________________________---------------------- -----T---------------------------------------------------------------------- TOTAL NUMBER OF STREAMS = 2 I CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: I TIME OF CONCENTRATION(MIN.) = 11.99 I RAINFALL INTENSITY (INCH/HR) = 2.16 I . TOTAL STREAM AREA (ACRES) = 1.49 I PEAK FLOW RATE(CFS) AT CONFLUENCE = I I , ** ~ONFLUENCE DATA ** I STREAM RUNOFF I NUMBER (CFS) 11 12 2.66 Tc INTENSITY ( INCH/HOUR) 2.454 2.157 AREA (ACRE) 3.89 2.66 (MIN. ) 9.49 11.99 1. 79 1. 49 *********************************WARNING********************************** I IN THIS COMPUTER PROGRAM, THE CONFLUENCE VALUE USED IS BASED ON THE RCFC&WCD FORMULA OF PLATE D-1 AS DEFAULT VALUE. THIS FORMULA I WILL NOT NECESSARILY RESULT IN THE MAXIMUM VALUE OF PEAK FLOW. I . ****f********************************************************************* RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO I CONFLUENCE FORMULA USED FOR 2 STREAMS. I I * * fEAK FLOW RATE TABLE * * q, STR~AM RUNOFF Tc INTENSITY ! I. T. , NUMBER . I~ I COMPUTED CONFLUENCE , I PE~ FLOW RATE (CFS) TOTAL AREA (ACRES) ; (CFS) 6.00 6.09 (MIN.) 9.49 11.99 ( INCH/HOUR) 2.454 2.157 ESTIMATES ARE = 6.00 3.28 AS FOLLOWS: Tc (MIN.) ; 9.49 *****,********************************************************************** FLOW PROCESS FROM NODE 20.00 TO NODE 21.00 IS CODE; 21 I I -----1---------------------------------------------------------------------- ;;:::j:::~~~~~;:~~:~~;~~~~~~;~~~~~;~~:~~~:::::;;;;;;;;;;;;;;;;;;;;;;;; ,ASSUMED INITIAL SUBAREA UNIFORM ;DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC I K*[(LENGTH**3)/(ELEVATION CHANGE)] **.2 INITIAL SUBAREA FLOW-uENGTH; 279.00 I ' UPS~REAM ELEVATION; 1246.50 I DOWNSTREAM ELEVATION; 1239.10 I ELE~ATION DIFFERENCE; 7.40 TC 1 .393*[( 279.00**3)/( 7.40)]**.2; 7.717 10 YEAR RAINFALL INTENSITY (INCH/HOUR) ; 2.749 SOIJ CLASSIFICATION IS "C" I SINGLE-cFAMILY(l/4 -ACRE LOT) RUNOFF COEFFICIENT; .8195 SUB~EA RUNOFF(CFS) ; 1.53 TOT~ AREA (ACRES) ; .68 TOTAL RUNOFF(CFS) ; 1. 53 *****'******************,**************************************************** FLOW PROCESS FROM NODE 30.00 TO NODE 31.00 IS CODE; 21 I ~~:::~:~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~:::::~~~~~~~~~~~~~~~~~~~~~~~~ -----l--~~~~~;~-~~~;~~-~~~;~-;;~;;~------------------------------------ 1 'DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC I K*[(LENGTH**3)/(ELEVATION CHANGE)] **.2 INITIAL SUBAREA FLOW-LENGTH; 334.00 I UPSTREAM ELEVATION; 1262.10 I DOWNSTREAM ELEVATION; 1257.86 I ELEUATION DIFFERENCE; 4.24 TC ~ .393*[( 334.00**3)/( 4.24)]**.2; 9.610 10 YEAR RAINFALL INTENSITY (INCH/HOUR) ; 2.436 SOI~ CLASSIFICATION IS "C" \11:> SINGLE-cFAMILY(l/4 -ACRE LOT) RUNOFF COEFFICIENT; .8112 i 1 -, , S~AREARUNOFF(CFS) = TOTAL AREA (ACRES) = I I 1. 50 .76 TOTAL RUNOFF(CFS) = 1.50 *****t********************************************************************** FLOW PROCESS FROM NODE 31.00 TO NODE 32.00 IS CODE = 6 I --:::[:~~~~~~-~~;~~~;~~~-~~~~~~~~-~~;~-~~~~~:::::---------------------- :====t=================~====================:=============================== UPSTREAM ELEVATION = 1257.86 DOWNSTREAM ELEVATION = 1246.04 I STREET LENGTH (FEET) = 310.00 CURB HEIGHT(INCHES) = 6. I STREET HALFWIDTH(FEET) = 18.00 I DISfANCE FROM CROWN TO CROSS FALL GRADEBREAK = 16.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 I . OUTSIDE STREET CROSS FALL (DECIMAL) = .064 I SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 I **TRAVELTIME C0MPUTED USING MEAN FLOW (CFS) = STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .28 HALFSTREET FLOQDWIDTH(FEET) = 6.75 AVERAGE FLOW VELOCITY(FEET/SEC.) = PRODUCT OF DEPTH&VELOCITY = 1.07 STREETFLOW TRAVELTIME (MIN) = 1.37 TC(MIN) = 10.98 I 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.264 I . SOIL CLASSIFICATION IS "C" I SINGLE-Fk~ILY(l/4 ACRE LOT) RUNOFF COEFFICIENT = .8059 I SUBAREA AREA(ACRES) = .89 SUBAREA RUNOFF (CFS) = I S~ED AREA(ACRES) = 1.65 TOTAL RUNOFF(CFS) = END I OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = I FLOW VELOCITY(FEET/SEC.) = 4.13 DEPTH*VELOCITY = I I *****L*****************t**************************************************** I FLOr PROCESS FROM NODE 33.00 TO NODE 34.00 IS CODE = 21 --:::[:~~~~~~~-~~;~~~-~~~;~~-~~~~~-~~~~~~:::::------------------------ :====L=================:==================================================== 2.32 3.78 1. 62 3.13 7.75 1. 25 ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC r K*[(LENGTH**3)/(ELEVATION CHANGE)] **.2 i \.\ I . I INATIAkSUBAREA FLOW-LENGTH = I UPSTREAM ELEVATION = 1262.10 [ DOWNSTREAM ELEVATION = 1258.06 [ ELEVATION DIFFERENCE = 4.04 TC ~ .393*[( 334.00**3)/( 4.04)]**.2 = 9.703 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.423 1 . SOIL CLASSIFICATION IS "C" [ SINGLE-FAMILY(l/4 ACRE LOT) RUNOFF COEFFICIENT = .8108 [ SUBfREA RUNOFF (CFS) = 1.36 TOTAL AREA(ACRES) = .69 TOTAL RUNOFF(CFS) = 1.36 .....1...................................................................... I FLO~ PROCESS FROM NODE -----1---------------------------------------------------------------------- >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< I =====f====================================================================== UPSTREAM ELEVATION = 1258.06 DOWNSTREAM ELEVATION = 1245.77 ST~ET LENGTH(FEET) = 310.00 CURB HEIGHT(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 I DISTANCE FROM CROWN TO CROSS FALL GRADEBREAK = 16.00 I INTERIOR STREET CROSS FALL (DECIMAL) .020 [ OUTSIDE STREET CROSS FALL (DECIMAL) = .064 I SPE1IFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .27 HALFSTREET FLOODWIDTH(FEET) = .AVERAGE FLOW VELOCITY(FEET/SEC.) PRODUCT OF DEPTH&VELOCITY = 1.08 STREETFLOW TRAVELTIME (MIN) = 1.31 TC(MIN) = 11.01 I 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.260 [ . SOIli' CLASSIFICATION IS "C" SINGLE-FN1ILY(l/4 ACRE LOT) RUNOFF COEFFICIENT = .8057 [ SUBAREA AREA (ACRES) = .89 SUBAREA RUNOFF(CFS) = SUM+ED AREA (ACRES) = 1.58 TOTAL RUNOFF(CFS) = ENDIOF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .30 HALFSTREET FLOODWIDTH(FEET) [ FLOW VELOCITY(FEET/SEC.) = 3.93 DEPTH*VELOCITY = I I 334.00 34.00 TO NODE 35.00 IS CODE = 6 2.16 6.25 3.95 1. 62 2.98 7.75 1.19 \Z. ****~;****!****************************************************************** FLOYPROCESS FROM NODE -----T---------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< =====t===:;;~;~=;:;;;~=;~;;;:=~;;~;:==================================== I DEVELOPMENT IS!SINGLE FAMILY (1/4 ACRE) TC t K*[(LENGTH**3)/(ELEVATION CHANGE)] **.2 INITIAL SUBAREA FLOW-hENGTH = 447.00 I . UPSTREAM ELEVATION = 1262.40 DOWNSTREAM ELEVATION = 1257.40 I ELEVATION DIFFERENCE = 5.00 TC 1 .393*[( 447.00**3)/( 5.00)]**.2 = 11.075 I 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.253 I SOIL CLASSIFICATION IS "C" I SINGLE-FAMILY(1/4 ACRE I SUBfREARUNOFF(CFS) = TOTAL AREA (ACRES) = I I **************************************************************************** , 40.00 TO NODE 41. 00 IS CODE = 21 LOT) RUNOFF COEFFICIENT = 2.16 1.19 .8055 TOTAL RUNOFF(CFS) = 2.16 FLOW PROCESS FROM NODE 41.00 TO NODE 42.00 IS CODE = 6 I -----T---------------------------------------------------------------------- __:::J:=~~~~=~_:=~~~=~~~~_=~~~~=:~~_=~~~_:~~~~:::::______________________ -----1---------------------------------------------------------------------- UPSTREAM ELEVATION = 1257.40 DOWNSTREAM ELEVATION = 1252.20 I STREET LENGTH (FEET) = 180.00 CURB HEIGHT (INCHES) = 6. I STRiET HALFWIDTH(FEET) = 18.00 DIS1ANCE FROM CROWN TO CROSSFALL GRADEBREAK = 16.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 I OUTSIDE STREET CROSS FALL (DECIMAL) = .064 I SPEcrIFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 1 I I **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) 2.69 STREETFLOW MODEl, RESULTS: 1 , STREET FLOWDEPTH(FEET) = .30 'HALFSTREET FLOODWIDTH(FEET) = 7.75 ,AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.55 PRODUCT OFDEPTH&VELOCITY = 1.08 STREETFLOW TRAVELTIME (MIN) = .84 TC(MIN) = 11.92 I 1q YEAR RAINFALl. INTENSITY (INCH/HOUR) = 2.164 \3 SOH. CLASSIFICATION IS "C" I ! SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8024 SUBAREA AREA (ACRES) = .61 SUBAREA RUNOFF(CFS) = I SUMM1ED AREA (ACRES) =. 1.80 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .32 HALFSTREET FLOODWIDTH(FEET) = I . FLOW VELOCITY(FEET/SEC.) = 3.66 DEPTH*VELOCITY = I 1. 06 3.22 8.50 1.17 **************************************************************************** I FLOY PROCESS FROM NODE 42.00 TO NODE 43.00 IS CODE = 6 -----T---------------------------------------------------------------------- >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< I =====1====================================================================== UPSTREAM ELEVATION = 1252.20 DOWNSTREAM ELEVATION = 1230.50 I STREET LENGTH(FEET) = 305.00 CURB HEIGHT (INCHES) = 6. I STREET.HALFWIDTH(FEET) = 18.00 I DISTANCE FROM CROWN TO CROSS FALL GRADE BREAK = 16.00 , , INTERIOR STREET CROSSFALL(DECIMAL) = .020 I . OUT,IDE STREET CROSSFALL(DECIMAL) = .064 SPEcrIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREETFLOW MODEL RESULTS: .STREET FLOWDEPTH(FEET) .29 HALFSTREET FLOODWIDTH(FEET) = .AVERAGE FLOW VELOCITY(FEET/SEC.) PRODUCT OF DEPTH&VELOCITY = 1.53 STREETFLOW TRAVELTIME (MIN) = .97 TC(MIN) = 12.89 I 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.072 SOI~ CLASSIFICATION IS "C" SINjLE~FAMILY(l/4 ACRE LOT) RUNOFF COEFFICIENT = .7991 SUBAREA AREA (ACRES) = .41 SUBAREA RUNOFF(CFS) = I SUMMED ,AREA (ACRES) = 2.21 TOTAL RUNOFF(CFS) = END IOF,SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .30 HALF STREET FLOODWIDTH(FEET) = 7.75 I . FLOl VELOC'TY(FEET/sEC.1 - S.'S DEPTH'VELOCTTY - '.S' **************************************************************************** I FLOW PROCESS FROM NODE 60.00 TO NODE 61.00 IS CODE = 21 I - - :::1:~~~~~~ - ~~~~~~ - ~,~~~~~~ - ~~;;~~ - ~~~~~~::::: - - - - - - - - - - - - - - - - - - - - - - -- 3.56 7.25 5.22 .68 3.90 \4 , ====7~===~================================================================== I ,ASSUMED INITIAL SUBAREA UNIFORM I :DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC I K*[(LENGTH**3)/(ELEVATION CHANGE)] **.2 lNI1IAL StffiAREA FLOW-~ENGTH = 185.00 UPS~REAM ELEVATION = 1271.10 I DOWNSTREAM ELEVATION = 1269.00 . I ELEVATION DIFFERENCE = 2.10 TC ~ .393*[( 185.00**3)/( 2.10)]**.2 = 7.759 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.741 SOIJ CLASSIFICATION IS "C" I SINGLE+FAMILY(l/4 ACRE LOT) RUNOFF COEFFICIENT = .8193 I SUBAREA RUNOFF (CFS) = 1.06 i TOTAL AREA(ACRES) = .47 TOTAL RUNOFF(CFS) = 1.06 **************************************************************************** ! FL01 PROCESS FROM NODE 61.00 TO NODE 62.00 IS CODE = 6 -----l---------------------------------------------------------------------- ==:::j:~~:~~~~=~~:~~~:~~:=~~:~~~~:~=~~:~=~~~~~:::::====================== I . UPS4REAM ELEVATION = , STREET ,LENGTH (FEET) = I STREET!HALFWIDTH(FEET) I DIS~AN8E FROM CROWN TO CROSS FALL GRADEBREAK = 16.00 I INTERI0R STREET CROSS FALL (DECIMAL) I OUTSIDE STREET CROSS FALL (DECIMAL) = I SPEGIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 1269.00 554.00 = 18.00 DOWNSTREAM ELEVATION = CURB HEIGHT(INCHES) = 6. 1252.40 .020 .064 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = S~REETFLOW MODEL RESULTS: :STREET FLOWDEPTH(FEET) = .29 'HALFSTREET FLOODWIDTH(FEET) = 7.25 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.61 . PRODUCT OF DEPTH&VELOCITY = 1.06 STREETFLOW TRAVELTIME (MIN) = 2.55 TC(MIN) = 10.31 I 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.343 SOIrl CLASSIFICATION IS "C" I SINGLE-FAMILY(l/4 ACRE LOT) RUNOFF COEFFICIENT = .8084 SUBlREAAREA(ACRES) = 1.49 SUBAREA RUNOFF (CFS) = I SUMMED.AREA(ACRES) = 1.96 TOTAL RUNOFF(CFS) = ENDIOF SUBAREA STREETFLOW HYDRAULICS: ! 2.47 2.82 3.88 t~ ,- DE?4H(F~ET) = .34 HALF STREET FLOODWIDTH(FEET) = 9.50 --~~~~-~~~~=~:~~~~~~:~~~~_:_-=~::_--~~~~~:~~~~=~:_:_--=~~~---------------- --;~l~;~~;~;-~~;~----------------------------------------------------- PEAK FLOW RATE (CFS) = 3.88 Tc(MIN.) = 10.31 TOTlL AREA(ACRES) = 1.96 =====J====================================================================== END OF:RATIONAL METHOD ANALYSIS l~ I~ - **~** *,********************************************************************* RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON RIVERSIDE COUNTY FLOOD CONTROL & WATER CONSERVATION DISTRICT (RCFC&WCD) 1978 HYDROLOGY MANUAL (c) Copyright 1982-96 Advanced Engineering Software (aes) Ver. 1.5ARelease Date: 01/01/96 License ID 1261 Analysis prepared by: RICK ENGINEERING COMPANY WATER RESOURCES DIVISION 5620 FRIARS ROAD, SAN DIEGO, CA 92110 (619) 291-0707 ************************** DESCRIPTION OF STUDY ************************** * IN ~3193T TRACT 29033 :TEMEKU HILLS I * DEVELOPED CONDITION, 100 YEAR, 1 HOUR I * MODELED BY EDL * ****~********************************************************************* I FILE NAME: 193T.DAT I TIME/DATE OF STUDY: 16: 2 I -----l---------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: _____J______________________________________________________________________ i USER SPECIFIED STORM EVENT(YEAR) ; 100.00 I SPEOIFIED MINIMUM PIPE SIZE(INCH) ; 18.00 I SPE9IFIED PERCENT OF ~RADIENTS(DECIMAL) TO USE 10-~EAR STORM 10-MINUTE INTENSITY (INCH/HOUR) ; I 10-~EAR STORM 60-MINUTE INTENSITY (INCH/HOUR) ; 100JYEAR STORM 10-MINUTE INTENSITY (INCH/HOUR) 100-iYEAR STORM 60-MINU,TE INTENSITY (INCH/HOUR) SL01E GF 10-YEAR INTENSITY-DURATION CURVE ; SL01E OF 100-YEAR INTENSITY-DURATION CURVE ; COM~UTED RAINFALL INTENSITY DATA: STO~M EVENT; 100.00 1-HOUR INTENSITY (INCH/HOUR) ; 1.3000 SL01E GF INTENSITY DURATION CURVE; .5496 RCFG&WCD HYDROLOGY MANUAL "C"-VALUES USED I NOTE: COMPUTE CONFLUENCE VALUES ACCORDING TO RCFC&WCD HYDROLOGY MANUAL AND IGNORE OTHER CONFLUENCE COMBINATIONS FOR DOWNSTREAM ANALYSES * * 2/22/1999 FOR FRICTION 2.360 .880 ; 3.480 ; 1.300 .5505732 .5495536 SLOPE ; .90 * * * * * *r* * * ** * * * * * * * * * *** * * * * ** * * * * * * * * * * * ** * * * * * * ** * * * * ****** * ** * * * * * * * * * * * * * \1 ! FL01 PROCESS FROM NODE I 10.00 TO NODE 11.00 IS CODE; 21 ----.-T-'-~------------------------------------------------------------------- I >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< =====l~================~==================================================== ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS ,SINGLE FAMILY (1/4 ACRE) TC f K*[(LENGTH**3)/(ELEVATION CHANGE)] **.2 INITIAL SUBAREA FLOW-LENGTH = 193.00 I . UPSTREAN ELEVATION = 1274.00 I DOWfSTREAM ELEVATION = 1268.90 ELETATION DIFFERENCE = 5.10 TC f .393*[( 193.00**3)/( 5.10)]**.2 = 6.665 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.349 I . SOIL CLASSIFICATION IS "C" I SINGLE-FAMILY(l/4 ACRE LOT) RUNOFF COEFFICIENT = .8455 I SUBfREARUNOFF(CFS) = 1.80 TOTj" AREAIACRES) , .., TOTAL RUNOFFICFS) , '.80 **************************************************************************** I FLOW PROCESS FROM NODE 11.00 TO NODE 12.00 IS CODE = 6 I -----T---------------------------------------------------------------------- >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< _____1______________________________________________________________________ -----1---------------------------------------------------------------------- UPSTREAM ELEVATION = 1268.90 DOWNSTREAM ELEVATION = 1260.90 I STREET LENGTH(FEET) = 308.00 CURB HEIGHT(INCHES) = 6. I STREET HALFWIDTH(FEET) = 18.00 I I DISTANCE FROM CROvrn TO CROSSFALL GRADEBREAK = 16.00 I INTERIOR STREET CROSS FALL (DECIMAL) = I OUTSIDE STREET CROSSFALL(DECIMAL) = I SPE~IFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 .020 .064 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) = 2.83 STREETFLOW MODEL RE~ULTS: STREET FLOWDEPTH(FEET) = .32 HALF STREET FLOODWIDTH(FEET) = 8.50 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.22 PRODUCT OF DEPTH&VELOCITY = 1.02 STREETFLOW TRAVELTIME(MIN) = 1.59 TC(MIN) = 8.26 I 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.866 SOIJ CLASSIFICATION IS "C" I SINqLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8396 SUBAREA AREA(ACRES) = .63 SUBAREA RUNOFF(CFS) = 2.04 I I \g 10-" SUMMED AREA (ACRES) = 1.12 TOTAL RUNOFF(CFS) = .' . END I OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = I FLOi VELOCITY(FEET/SEC.) = 3.63 DEPTH*VELOCITY = I I **************************************************************************** I FLOW PROCESS FROM NODE 12.00 TO NODE 13.00 IS CODE = 6 I -----f---------------------------------------------------------------------- >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< I =====f====================================================================== UPSTREAM ELEVATION = 1260.90 DOWNSTREAM ELEVATION = 1252.00 I STREET LENGTH (FEET) = 255.01 CURB HEIGHT (INCHES) = 6. I STRjET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 16.00 1 INTERIOR STREET CROSSFALL(DECIMAL) = I ' OUTSIDE STREET CROSSFALL(DECIMAL) = I . SPE~IFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 i I **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) = STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 9.50 AVERAGE FLOW VELOCITY(FEET/SEC.) = PRODUCT OF DEPTH&VELOCITY = 1.55 STREETFLOW TRAVELTIME(MIN) = .93 TC(MIN) = I 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.646 I SOH. CLASSIFICATION IS "C" I SINGLE-FM1ILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8365 I SUB~EA AREA (ACRES) = .67 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 1.79 TOTAL RUNOFF(CFS) = ENDIOF SUBAREA STREET FLOW HYDRAULICS: DEPTH (FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 10.50 I FLOW VELOCITY(FEET/SEC.) = 4.68 DEPTH*VELOCITY = I I *****,********************************************************************** FLOW PROCESS FROM NODE 13.00 TO NODE 13.00 IS CODE = 1 _____J______________________________________________________________________ >>>J>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< =====~====================================================================== TOTAL NUMBER OF STREAMS = 2 i I 3.85 9.50 1.23 .020 .064 4.86 4.59 9.19 2.04 5.89 1. 68 \q }0 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: . : ~ TIMfOF CONCENTRATION(MIN.) = 9.19 RAINFALL INTENSITY (INCH/HR) = 3.65 I TOTAL STREAM AREA(ACRES) = . 1.79 I PEAK FLOW RATE(CFS) AT CONFLUENCE = 5.89 .....l...................................................................... I FLOW PROCESS FROM NODE 14.00 TO NODE 15.00 IS CODE = 21 I -----T---------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< =====1====================================================================== ,ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC I K*[(LENGTH**3)/(~LEVATION CHANGE)] **.2 INITIAL SUBAREA FLOW-LENGTH = 447.00 I UPSTREAM ELEVATION = 1262.10 , I DOWNSTREAM ELEVATION = 1257.10 I ELEVATION DIFFERENCE = 5.00 TC i .393*[( 447.00**3)/( 5.00)]**.2 = 11.075 100 YEAR RAINFALl, INTENSITY (INCH/HOUR) = 3.290 I son, CLASSIFICATION IS "C" I SINGLE7FAMILY(l/4 ACRE LOT) RUNOFF COEFFICIENT = .8307 , SUBAREA .RUNOFF(CFS) = 2.71 I TOTJr AREAIACRE" - ." TOTAL RUNOFFICF" - ,.,' **************************************************************************** I FLOW PROCESS FROM NODE 15.00 TO NODE 13.00 IS CODE = 6 i --:::~:~~~~~~~-~~;~~~;~~;-~~~~~~~~~-~~;~-~~~~~:::::---------------------- =====1====================================================================== UPS~REAM ELEVATION = 1257.10 DOWNSTREAM ELEVATION = 1252.00 I STREET:LENGTH(FEET) = 180.00 CURB HEIGHT (INCHES) = 6. I STREETHALFWIDTH(FEET) = 18.00 I DIS~ANCE FROM CROWN TO CROSSFALL GRADEBREAK = 16.00 I INTERIOR STREET CROSSFALL(DECIMAL) I . OUTSIDE STREET CROSSFALL(DECIMAL) I SPEOIFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 1 I I '**TRAVELTIME COMPUTED USING MEAN FLOW (CFS) = S~REETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .020 .064 3.36 Zb .32 ,"'l ,HALFSTREET FLOODWIDTH(FEET) = 8.50 I AVERAGE FLOW VELOCITY(FEET/SEC.) = PRODUCT OF DEPTH&VELOCITY = 1.22 STRiETFLOW TRAVELTIME(MIN) = .78 TC(MIN) = 11.86 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.169 I . SOIL CLASSIFICATION IS "C" I SINGLE-FAMILY(l/4 ACRE LOT) RUNOFF COEFFICIENT = .8285 I SUBfREAAREA(ACRES) = .50 SUBAREA RUNOFF(CFS) = SUMM1ED AREA (ACRES) = 1.49 TOTAL RUNOFF(CFS) = END OF SUBAREA STREET~LOW HYDRAULICS: DEPTH (FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 9.50 I FLOW VELOCITY(FEET/SEC.) = 3.79 DEPTH*VELOCITY = 1.28 .....l...................................................................... I FLOf PROCESS FROM NODE -----1---------------------------------------------------------------------- >>>r>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>t>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< , =====1====================================================================== TOTAL NUMBER OF STREAMS = 2 I CONtLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 11.86 I RAINFALL INTENSITY (INCH/HR) = 3.17 I TOTAL STREAM AREA (ACRES) = 1.49 I PEAK FLOW RATE(CFS} AT CONFLUENCE = I ** crONFLUENCE DATA ** I STREAM RUNOFF I NUMBER (CFS) 1 5.89 2 4.02 3.82 1. 31 4.02 13 . 00 TO NODE 13.00 IS CODE = 1 4.02 Tc INTENSITY ( INCH/HOUR) 3.646 3.169 AREA (ACRE) 1. 79 1.49 (MIN. ) 9.19 11.86 *********************************WARNING********************************** I IN THIS COMPUTER PROGRAM, THE CONFLUENCE VALUE USED IS BASED I ON THE:RCFC&WCD FORMULA OF PLATE D-1 AS DEFAULT VALUE. THIS FORMULA WILJ NOT NECESSARILY RESULT IN THE MAXIMUM VALUE OF PEAK FLOW. i ************************************************************************** I I RAI~FALL INTENSITY AND TIME OF CONCENTRATION RATIO CONlLUENCE FORMULA USED FOR 2 STREAMS. I ** lEAK FLOW RATE TABLE ** ~\ STREAM RUNOFF Tc INTENSITY I I .~ NUMBER . . 1 2 (CFS) 9.00 9.14 (MIN.) 9.19 11.86 ( INCH/HOUR) 3.646 3.169 I COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: 1 PEAK FLOW RATE(CFS) = 9.00 Tc(MIN.) = 9.19 I TOTAL AREA (ACRES) = 3.28 .....)...................................................................... FLOW PROCESS FROM NODE 20.00 TO NODE 21.00 IS CODE = 21 I -----,---------------------------------------------------------------------- ==:::!:~:~~:~=:~:~~~=~:~:~~=~~~~~=~~:~~~:::::======================== ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS.SINGLE FAMILY (1/4 ACRE) TC I K*[(LENGTH**3)/(~LEVATION CHANGE)] **.2 INITIAL SUBAREA FLOW-LENGTH = 279.00 I UPSTREAM ELEVATION = 1246.50 I DOWNSTREAM ELEVATION = 1239.10 I ELEVATION DIFFERENCE = 7.40 TC ~ .393*[( 279.00**3)/( 7.40)]**.2 = 7.717 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.013 I SOU, CLASSIFICATION IS "C" I SINGLE-FAMILY(l/4 ACRE I SUBAREA RUNOFF (CFS) = I TOTAL AREA (ACRES) = I I I *****i********************************************************************** FLOW PROCESS FROM NODE 30.00 TO NODE 31.00 IS CODE = 21 I -----,---------------------------------------------------------------------- I ==:::1:~:~~:~=:~:~~~=~:~:~~=~~~~~=~~:~~~:::::======================== LOT) RUNOFF COEFFICIENT = 2.30 .68 .8415 TOTAL RUNOFF (CFS) = 2.30 ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC I K*[(LENGTH**3)/(ELEVATION CHANGE)] **.2 INITIAL SUBAREA FLOW-LENGTH = 334.00 I UPSTREAM ELEVATION = 1262.10 I DOWNSTREAM ELEVATION = 1257.86 I ELEVATION DIFFERENCE = 4.24 TC i .393*[( 334.00**3)/( 4.24)]**.2 = 9.610 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.557 SOI~ CLASSIFICATION IS "C" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8351 I 2oZ- ler SUBAREA RUNOFF (CFS) = , , T6T~ 'AREA(ACRES) = I i I *****~**,******************************************************************** I FLO~ PROCESS FROM NODE 31.00 TO NODE 32.00 IS CODE = 6 I -----1---------------------------------------------------------------------- __:::r:=~~~~~_:=~~~=~~~~_=~~~==~~_=~~~_:~~~~:::::___________________ __ -----,-------------------------------------------------------------------=-- UPSTREAM ELEVATION = 1257.86 DOWNSTREAM ELEVATION = 1246.04 I STREET LENGTH (FEET) = 310.00 CURB HEIGHT(INCHES) = 6. i STREET HALFWIDTH(FEET) = 18.00 I I DISTANCE FROM CROWN TO CROSS FALL GRADE BREAK = 16.00 I INTERIOR STREET CROSSFALL(DECIMAL) = I OUTSIDE STREET CROSSFALL(DECIMAL) = 1 ! I SPEfIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .32 HALFSTREET FLOQDWIDTH(FEET) = 8.50 AVERAGE FLOW VELOCITY(FEET/sEC.) = PRODUCT OF DEPTH&VELOCITY = 1.26 STRfETFLOW TRAVELTIME(MIN) = 1.30 TC(MIN) = 10.91 I I 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.317 I . SOIL CLASSIFICATION IS "C" I SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8312 I SUBfREA &~EA(ACRES) = .89 SUBAREA RUNOFF(CFS) = SUMM1ED AREA(ACRES) =. 1.65 TOTAL RUNOFF (CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 9.50 FLOr VELOCITY(FEET/SEC.) = 4.45 DEPTH*VELOCITY = 1.50 *****1********************************************************************** I , FLOf PROCESS FROM NODE -----T---------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< =====1====================================================================== 2.26 .76 TOTAL RUNOFF(CFS) = 2.26 .020 .064 3.49 3.97 2.45 4.71 33.00 TO NODE 34.00 IS CODE = 21 TC ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS.SINGLE FAMILY (1/4 ACRE) i K*[(LENGTH**3)/(ELEVATION CHANGE)] **.2 2-!> ~^ I . , , INITIAL SUBAREA FLOW-LENGTH = 334.00 , . UPSTREAM ELEVATION = 1262.10 I DOWfSTREk~ ELEVATION = 1258.06 ELEVATION DIFFERENCE = 4.04 TC t .393*[( 334.00**3)/( 4.04)]**.2 = 9.703 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.538 I SOIL CLASSIFICATION IS "C" I SINGLE-FAMILY(l/4 ACRE LOT) RUNOFF COEFFICIENT = .8348 I SUBfREA RUNOFF(CFS) = 2.04 TOTAL AREA (ACRES) = .69 TOTAL RUNOFF(CFS) = 2.04 *****~********************************************************************** I FLOf PROCESS FROM NODE -----1---------------------------------------------------------------------- >>>t>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< _____1______________________________________________________________________ -----T---------------------------------------------------------------------- UPSTREAM ELEVATION = 1258.06 DOWNSTREAM ELEVATION = 1245.77 I STREET LENGTH (FEET) = 310.00 CURB HEIGHT(INCHES) = 6. , STREET HALFWIDTH(FEET) = 18.00 I I DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 16.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 I OUTiIDESTREET CROSS FALL (DECIMAL) = .064 I SPE~IFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 ! **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 7.75 .AVERAGE FLOW VELOCITY(FEET/SEC.) = PRODUCT OF DEPTH&VELOCITY = 1.30 STR~ETFLOW TRAVELTIME(MIN) = 1.20 TC(MIN) = 10.91 I 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.318 I son, CLASSIFICATION IS "C" I SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8312 I SUBAREA AREA(ACRES) = .89 SUBAREA RUNOFF(CFS) = I SUMMED,AREA(ACRES) = 1.58 TOTAL RUNOFF(CFS) = ENDIOF SUBAREA STREET~LOW HYDRAULICS: DEP~H(FEET) = .34 HALF STREET FLOODWIDTH(FEET) = I FLOW VELOCITY(FEET/SEC.) = 4.24 DEPTH*VELOCITY = I I I I 34.00 TO NODE 35.00 IS CODE = 6 3.26 4.30 2.45 4.49 9.50 1. 43 ZL\ 7.1 *****~********************************************************************** , FLOW PROCESS FROM NODE 40.00 TO NODE 41.00 IS CODE = 21 -----1----------------------------------------------------------------------- >>>i>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS, SINGLE FAMILY (1/4 ACRE) , TC ~ ~*[(LENGTH**3)/(ELEVATION CHANGE)] **.2 INIFIAL SUBAREA FLOW-LENGTH = 447.00 UPSFREAM ELEVATION = 1262.40 DOWNS~REAM ELEVATION = 1257.40 I ELEfATION DIFFERENCE = 5.00 TC I .393*[( 447.00**3)/( 5.00)]**.2 = 11.075 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.290 I ' SOIL CLASSIFICATION IS "C" I SINGLE-FAMILY(l/4 ACRE I SUBAREA RUNOFF(CFS) = I TOTfL ,AREA(ACRES) = I *****l**.******************************************************************* I I FLOr PROCESS FROM NODE 41.00 TO NODE 42.00 IS CODE = 6 --:::[:~;~;~;~-~;~~~;;~;~-;~~~~;~~~-;~~~-~~~~~:::::---------------------- =====~====================================================================== UPSTREAM ELEVATION = 1257.40 DOWNSTREAM ELEVATION = 1252.20 STREET LENGTH(FEET) = 180.00 CURB HEIGHT (INCHES) = 6. I STREET HALFWIDTH(FEET) = 18.00 I DISTANCE FROM CROWN TO CROSS FALL GRADEBREAK = 16.00 I INTfRIOR STREET CROSS~ALL(DECIMAL) = OUTSIDE STREET CROSS FALL (DECIMAL) I . SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 LOT) RUNOFF COEFFICIENT = 3.25 1.19 .8307 TOTAL RUNOFF(CFS) = 3.25 .020 .064 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 4.05 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 9.50 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.83 PRODUCT OF DEPTH&VELOCITY = 1.29 STREETFLOW TRAVELTIME (MIN) = .78 TC(MIN) = 11.86 I I 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.169 I son, CLASSIFICATION IS "C" I z'S "'7 'J_ Tn SINGLE-FM4ILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8285 " . SUB~EAAREA(ACRES) = .61 SUBAREA RUNOFF(CFS) = SUMM1ED AREA(ACRES) = . 1.80 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 10.50 I . FLOW VELOCITY(FEET/SEC.) = 3.85 DEPTH*VELOCITY = 1.60 4.85 1. 38 *****i********************************************************************** FLOW PROCESS FROM NODE 42.00 TO NODE 43.00 IS CODE = 6 , I -----1---------------------------------------------------------------------- >>>i>C0MPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< =====~====================================================================== , UPS1REAM ELEVATION = 1252.20 DOWNSTREAM ELEVATION = 1230.50 STREET LENGTH (FEET) = 305.00 CURB HEIGHT (INCHES) = 6. ! STREET'HALFWIDTH(FEET) = 18.00 I DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 16.00 I INTERI0R STREET CROSS FALL (DECIMAL) = .020 I . OUT1IDE STREET CROSSF~L(DECIMAL) = .064 SPEGIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .32 ,HALFSTREET FLOODWIDTH(FEET) = 8.50 ,AVERAGE FLOW VELOCITY(FEET/SEC.) = iPRODUCT OF .DEPTH&VELOCITY = 1.94 STREETFLOW TRAVELTIME (MIN) = .83 TC(MIN) = 12.69 I 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.053 sorJ C1ASSIFICATION IS "C" SINdLE"FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8262 SUB~EA AREA(ACRES) = .41 SUBAREA RUNOFF (CFS) = I SUMMED I AREA (ACRES) = 2.21 TOTAL RUNOFF(CFS) = END 10FSUBAREA STREET BLOW HYDRAULICS: DEPTH (FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = I . FLOW VELOCITY(FEET/SEC.) = 5.56 DEPTH*VELOCITY = I *****~********************************************************************** FLOW PROCESS FROM NODE 60.00 TO NODE 61.00 IS CODE = 21 - - - - - -1- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - :zf(;. >>>~>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< I 5.37 6.11 1. 03 5.89 9.50 1. 88 ;28 I . =====F==~==============?==================================================== " . I ASSUMED INITIAL SUBAREA UNIFORM I DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC ~ ~*[(LENGTH**3)/(ELEVATION CHANGE)] **.2 INITIAL SUBAREA FLOW-LENGTH = 185.00 UPS~REAM ELEVATION = 1271.10 I DOWNSTREAM ELEVATION = 1269.00 I ELEVATION DIFFERENCE = 2.10 TC ~ .393*[( 185.00**3)/( 2.10)]**.2 = 7.759 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.001 I . SOIL CLASSIFICATION IS "C" I SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8414 I SUBfREARUNOFF(CFS) = 1.58 TOTf" AREAIACRES} . .,' TOTAL RUNOFF}CFS} = '.sa *****f********************************************************************** FLOW PROCESS FROM NODE 61.00 TO NODE 62.00 IS CODE = 6 I -----1---------------------------------------------------------------------- >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< _____1______________________________________________________________________ -----T---------------------------------------------------------------------- UPSTREAM ELEVATION = 1269.00 DOWNSTREAM ELEVATION = 1252.40 STREET LENGTH (FEET) = 554.00 CURB HEIGHT (INCHES) = 6. I STREET HALFWIDTH(FEET) = 18.00 I DISTANCE FROM CROWN TO CROSS FALL GRADE BREAK = 16.00 I INTERIOR STREET CROSS FALL (DECIMAL) = .020 I OUTjIDE STREET CROSS FALL (DECIMAL) = .064 SPE~IFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREET FLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 9.50 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.52 PRODUCT OF DEPTH&VELOCITY = 1.19 STREETFLOW TRAVELTIME (MIN) = 2.63 TC(MIN) = 10.38 I 109 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.409 SOII!, CLASSIFICATION IS "C" I SIN9LE-FM4ILY(l/4 ACRE LOT) RUNOFF COEFFICIENT = .8327 SUBAREA AREA (ACRES) = 1.49 SUBAREA RUNOFF(CFS) = I SUMMED AREA(ACRES) = 1.96 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: 3.73 4.23 5.81 2.1 ~ I DEPTH (FEET) = .38 HALFSTREET FLOODWIDTH(FEET) = 11.50 . I . . FLOW VELOCITY(FEET/SEC.) = 3.93 DEPTH*VELOCITY = 1.49 I =====1====================================================================== ENDIOF,STUDY SUMMARY: PEAK FLOW RATE (CFS) = 5.81 Tc(MIN.) = 10.38 I TOTAL AREA (ACRES) = 1.96 --;;;1~;;::;;~:~-~;;~~-;;~;;;;""""---------""""".-------........ ~ 2? APPENDIX C HYDRAULIC ANALYSIS (SUlRF ACE STREETS AND CATCH BASINS) z.l\ . ' **************************************************************************** r HYDRAULIC ELEMENTS - I PROGRAM PACKAGE (C) Copyright 1982-96 Advanced Engineering Software (aes) Ver. 6.1 Release Date: 01/01/96 License ID 1261 Analysis prepared by: RICK ENGINEERING COMPANY WATER RESOURCES DIVISION 5620 FRIARS ROAD, SAN DIEGO, 92110 (619) 291-0707 -----T---------------------------------------------------------------------- TIME/DATE OF STUDY: 10:11 2/26/1999 ;;;;;l;;;;;;;;;;;;;;;;;~;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; , ************************** DESCRIPTION OF STUDY ************************** * IN 13193T TRACT 29033TEMEKU HILLS I * SUMP CATCH BASIN AT NODE 13 * * EDLl * ****1********************************************************************* **************************************************************************** I >>>>SNMP TYPE BASIN INPUT INFORMATION<<<< I -----,---------------------------------------------------------------------- * Curb Inlet Capacities are approximated based on the Bureau of pJblic Roads nomograph plots for flowby basins and sump basins. I I BASIN INFLOW (CFS) ; 9.00 I BASIN OPENING(FEET) = .67 I DjPTH OF WATER (FEET) ; .67 ;;;;:]::::::::::::;:::::::::;::::;:::::;:::::~::::~;:;;;;;;;:~::;;;;;;;;;;;; pO ......",,; * * * 'Ii *1* * * '* * * * * * * * * *,*,* * * *'* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * I HYDRAULIC ELEMENTS - I PROGRAM PACKAGE I (C) Copyright 1982-96 Advanced Engineering Software (aes) Ver. 6.1 Release Date: 01/01/96 License ID 1261 Analysis prepared by: RICK ENGINEERING COMPANY WATER RESOURCES DIVISION 5620 FRIARS ROAD, SAN DIEGO, 92110 (619) 291-0707 -----r---------------------------------------------------------------------- , TIME/DATE OF STUDY: 15: 9 2/ 9/1999 ;;;;;b;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ****t**,******************* DESCRIPTION OF STUDY ************************** * IN IL31'93T TRACT 29033 TEMEKU HILLS * I * FLO[BY CATCH BASIN AT'NODE 35 * * EDL * ****1 ********************************************************************* *****t********************************************************************** >>>>FLOWBY CATCH BASIN INLET CAPACITY INPUT INFORMATION<<<< I -----r---------------------------------------------------------------------- clrb Inlet Capacities are approximated based on the Bureau of P*blic Roads nomograph plots for flowby basins and sump basins. I I STREETFLOW(CFS); 4.49 GBTTER FLOWDEPTH(FEET); .50 I BtSIN LOCAL DEPRESSION (FEET) ; .33 FrOWBY BASIN WIDTH(FEET); 9.27 >>>>CALCULATED BASIN WIDTH FOR TOTAL INTERCEPTION; 9.3 >l>>cALCULATED ESTIMATED INTERCEPTION (CFS) ; 4.5 I , =====4====================================================================== I ~ 7/ I " ***~*~**I******************************************************************** I I I i (C) HYDRAULIC ELEMENTS - I PROGRAM PACKAGE Copyright 1982-96 Advanced Engineering Software (aes) Ver. 6.1 Release Date: 01/01/96 License ID 1261 Analysis prepared by: 5620 RICK ENGINEERING COMPANY WATER RESOURCES DIVISION FRIARS ROAD, SAN DIEGO, 92110 (619) 291-0707 I -----,---------------------------------------------------------------------- , TIME/DATE OF STUDY: 11:28 2/26/1999 _____1______________________________________________________________________ -----1---------------------------------------------------------------------- I ****j********************* DESCRIPTION OF STUDY ************************** * IN i3193T TRACT 29033 TEMEKU HILLS * FLO~BY'CATCH BASIN AT ,NODE 32 * EDL I ****,********************************************************************* *****J********************************************************************** >>>>FJOWBY CATCH BASIN INLET CAPACITY INPUT INFORMATION<<<< I -----l---------------------------------------------------------------------- I . Curb Inlet Capacities are approximated based on the Bureau of , Public Roads nomograph plots for flowby basins and sump basins. I I , S~REETFLOW(CFS)_ 4.71 GUTTER FLOWDEPTH(FEET) = .50 B~SIN LOCAL DEPRESSION (FEET) = .33 FJoWBY BASIN WIDTH(FEET) = 9.70 * * * >>>>CALCULATED BASIN, WIDTH FOR TOTAL INTERCEPTION = 9.7 >>,>>CALCULATED ESTIMATED INTERCEPTION (CFS) = 4.7 ======l===================================================================== "b"t- 2'" . I I I , I APPENDIX D HYDRAULIC ANALYSIS (WSPGN - INPUT, EDIT AND OUTPUT FILES) ~~ 193ta1.wsn T1 IN 13193T TRACT 29033 TEMEKU HILLS 0 T2 LINE A-1 T3 EDL FEE 26, 1999 - REVISED 3/17/99 SO 1490.761230.61 1 1231. 28 JX 1572.291239.47 1 2 .013 4.50 1239.98 43.2 .000 TS 1575.691240.26 2 .013 20.340 R 1607.501242.54 2 .013 .000 .000 0 SiR 1607.501242.54 2 1242.54 CD 1 4 1 .00 2.00 .00 .00 .00 .0 CD 2 4 0 .00 1. 50 .00 .00 .00 .0 Q 4.7 .0 3>l\ Page 1 < I' I Time: 3: 2:17 w S P G N - EDIT LISTING - Version 7.0 Date: 3-17-1999 WATER SURFACE PROFILE - CHANNEL DEFINITION LISTING PAGE 1 .CARD SECT CHN NO OF AVE PIER HEIGHT! BASE ZL ZR INV Y(1) Y(2) Y(3) Y(4) Y(5) Y(6) Y(7) Y(8) Y(9) Y(10) CODE NO TYPE PIERlPIP WIDTH DIAMETER WIDTH DROP CD 1 4 1 2.00 .CD 2 4 0 1.50 WSPGN PAGENO 1 WATER SURFACE PROFILE - TITLE CARD LISTING HEADING LINE NO 1 IS - IN 13193T TRACT 29033 TEMEKU HILLS HEADING LINE NO 2 IS - LINE A-I HEADING LINE NO 3 IS - EDt FEB 26,1999 - REVISED 3/17/99 WSPGN PAGENO 2 WATER SURFACE PROFILE - ELEMENT CARD LISTING ELEMENT NO 1 IS A SYSTEM OUTLET * * * U/S DATA STATION INVERT SECT W S ELEV 1490.761230.61 1 1231.28 ELEMENT NO .2 IS A JUNCTION * * * * * * * U/S DATA STATION INVERT SECT LAT-l LAT-2 N Q3 Q4 INVERT-3 INVERT-4 PHI 3 PHI 4 15,72.29 1239.47 1 2 0 .013 4.50 .00 1239.98 .00 43.20 .00 ELEMENT NO 3 IS A TRANSITION * * * U/S DATA STATION INVERT SECT ANGLE 1575.69 1240.26 2 ELEMENT NO 4 IS A REACH U/S DATA STATION INVERT SECT ANGLE ANG PT MAN H 1607.50 1242.54 2 .013 ELEMENT NO 5 IS A SYSTEM HEAD WORKS U/S DATA STATION INVERT SECT 1607.501242.54 2 .013 * * * RADIUS ANGLE .000 .000 N RADIUS 9.577 20.340 N RADIUS .000 .000 .000 0 * * W S ELEV 1242.54 ?>~ ,:>" ~ Ol " '" u'" o + ,. 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