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HomeMy WebLinkAbout; Palomar Airport Road Drainage Study; Palomar Airport Road Drainage Study; 1987-11-30RATIONAL METHOD DRAINAGE STUOr FOR PALOMAR AIRPORT ROAD Prepared by POUNTNEY & ASSOCIATES, INC. 4455 Murphy Canyon Road, Suite 200 San Diego, CA 92123 October 2, 1987 Revised November 30, 1987 PWO #268-01-1 ©1987, POUNTNEY & ASSOCIATES, INC. 268-01-l(W)349.28 TABLE OF CONTENTS Introduction Drainage Design Criteria & Methodology Explanation of Rational Method _ ^ .; • Computer Program- . • • • . . Computer Output Street Surface Drainage Station Number Nodes 1-5 . Nodes 10-22 Nodes 30-31 Nodes 40-41 Nodes 50-51 Nodes 60-70 Nodes 80-114 Nodes 115 . Node 120-121 Nodes 130-134 Nodes 140-143 Nodes 150-151 (by Page 1 1 2- 3 1 110 56 68 68 69 69 78 101 93 93 96 98 Inlet Calculation Summary Table 114 Alternate "A" Aligment Design 115 Drainage Map Map Pocket INTRODUCTION This drainage study accompanies the improvement plans for the City of Carlsbad Assessment District No. 86-1, Project No. 3151. The improvements proposed on these plans includes the widening of Palomar Airport Road from just east of Paseo Del Norte to approximately 2,400 feet east of College Boulevard. Associated with the widening plans are the design.of-several culvert crossings under Palomar Airport Road and the curb inlet structures required to facilitate drainage on the surface of the road. This drainage study is a. computer modeling of the. discharge generated both on the surface, of Palomar Airport Road and by the land north of the road.. The discharge amounts shown in this Report were utilized to design the curb inlets and appurtenant, structures, and the cul vert crossings depicted in the ~ .. above-mentioned improvement plans. - DRAINAGE DESIGN CRITERIA AND METHODOLOGY The hydrologic criteria used for determination of the discharges are outlined in the County of San Diego Hydrology Manual revised January 19SfSi The computerized version of the rational method utilized in this study incorporates the new intensity - duration design chart. The intensity for various time intervals was calculated using the following formula: / I = 7.44 * Pe* ^ Where 'I' is intensity in inches per hour, 'Pg' is the 6 hour precipitation value in inches, and 'D' is the duration in minutes. The precipitation value was determined to be 2.65 inches for the 100 year storm event of a 6 hour duration. All drainage structures were sized to handle the 100 year storm event from a fully developed drainage basin. Page 1 Future development was assumed to be in compliance with the development depicted by the Carlsbad General Plan and Zoning Maps. Soil types were determined using the Soil Conservation Service soil maps for San Diego County. No peak flow attenuation basin characteristics were accounted for in this study. For the drainage, basin layout see the map located in the map pocket. EXPLANATION OF THE RATIONAL METHOD COMPUTER PROGRAM The rational method program is a computer aided design program where the • user develops a node-link model of the watershed, and can estimate the conduit and channel sizes needed to accommodate the design storm discharge. The node-link model is developed by creating independent node-link models of the interior watershed and linking these submodels together at confluence points. The program allows up to five streams to be confluenced at a node. Stream entries for the confluence must be made sequentially until all are entered. The program allows consideration of only one point of confluence at a time. The program has the capability to perform calculations for eight hydrologic processes. These processes are assigned code numbers which appear in the printed results. The code numbers and their significance are as follows: Code 1 Code 2 Code 3 Code 4 Code 5 Code 6 Code 7 Code 8 Confluence Analysis at a Node Initial Subarea Analysis Pipeflow Traveltime (Computer Estimated Pipesize) Pipeflow Traveltime (User Specified Pipesize) Trapezoidal Channel Traveltime Streetflow Analysis Through a Subarea User Specified Information at a Node Addition of Subarea Runoff to Mainline Page 2 RATIONAL METHOD COMPUTER OUTPUT Page 3 o. 1 pouNTusY s Assocures INC. ^B)^^ Alf ^Rr^Vf ^Ki^By CONSUiriNG ENCINCERS v'^B^^I WU 9v Bl Wf 4455 MUKPHY CANYONIIOAO AiSOClAliS SUITE 200 SAH OieCO.CA 91113 . 1619) 576.9?00 pouNTusY s Assocures INC. ^B)^^ Alf ^Rr^Vf ^Ki^By CONSUiriNG ENCINCERS v'^B^^I WU 9v Bl Wf 4455 MUKPHY CANYONIIOAO AiSOClAliS SUITE 200 SAH OieCO.CA 91113 . 1619) 576.9?00 •PWO r " FF CHK DATE pouNTusY s Assocures INC. ^B)^^ Alf ^Rr^Vf ^Ki^By CONSUiriNG ENCINCERS v'^B^^I WU 9v Bl Wf 4455 MUKPHY CANYONIIOAO AiSOClAliS SUITE 200 SAH OieCO.CA 91113 . 1619) 576.9?00 I I I I I 5 I RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1981 HYDROLOGY MANUAL <<<<<<<<<<<<<<<<<«<<««««<««««»»»y>»yyyyyyy:,yy;,yyyy;,yyyyyyyyyyyy <C) Copyright 1982,1986 Advanced Engineering Software CAES: - - Especially prepared for: ••/.\-.::'"F:- :• S Y « C A S Symplified Computer Aided Services - 3900 BIRCH SI., SUITE 105, NEWPORT BEACH CA., 92660 ; «««««««««<«««««««««<»»»»»»»»»»»»»»»»»»» i ; AAAAAAAAAADESCRIPTION OF RESULISAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA PALOMARl.RES NOVEMBER 24, 1987 , A il 11 1 } • ii' i I I I USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) =100.00 SPECIFIED MINIMUM PIPE SIZECINCH) = 18.00 - ^ SPECIFIED PERCENT OF GRADIENIS(DECIMAL) TO USE FOR FRICTION SLOPE RAINFALL-INTENSITY ADaUSTMENT-FACTOR= 1.000 NUMBER OF CIIME,INTENSITY] DATA PAIRS =11 = 0.90 1) Z) 3) 4): 6) 7) 8) 9) 10) 11) 5.000; - 7.000 10.000; 15.606; 20.006; 25.660; 36.066; 46.660; 50.000; 60.000; 120.000; 6.980 "5.^620 4.470 3^440 2.860 2.470 2.200 1.830 1.580 1.410 0.900 SAN DIEQO HYDROLOGY MANUAI^ 'C'-VALUES USED :««««««««««««««««««yy»yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy Advanced Engineering Software CAES] SERIAL No. K1702 VER. 3.3C RELEASE DATE: 2/20/86 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>•.,>;., °' 2 POUHTHSY i ASSOCIATES INC. ^Bl^^ ^•ff MR ^Kl ^01 ^Vf CONSUir/NG fNG(NEEJ!S v'^B^^I9U 9UBl iBl 445SMUXPHY CANYON ROAD ASSOClATSi SUITtTOO SAN0liCO.CA9?m . (619)576.9200 POUHTHSY i ASSOCIATES INC. ^Bl^^ ^•ff MR ^Kl ^01 ^Vf CONSUir/NG fNG(NEEJ!S v'^B^^I9U 9UBl iBl 445SMUXPHY CANYON ROAD ASSOClATSi SUITtTOO SAN0liCO.CA9?m . (619)576.9200 I PWO " /^F CHK POUHTHSY i ASSOCIATES INC. ^Bl^^ ^•ff MR ^Kl ^01 ^Vf CONSUir/NG fNG(NEEJ!S v'^B^^I9U 9UBl iBl 445SMUXPHY CANYON ROAD ASSOClATSi SUITtTOO SAN0liCO.CA9?m . (619)576.9200 I L I I i: I 1' I 1 I I I t AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3466.00 TO NODE 3488.00 IS CODE = 2 >»»RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< SOIL CLASSIFICATION IS. "D" • . MOBILE HOME ,DEVELQPMEMI.^RUNQEE-.CQ£EEj:C.IEttI-= 6500- INITIAL SUBAREA FLOW-LENGTH(FEET) = . 130.00 UPSTREAM ELEVATION =. 100.40 - DOWNSTREAM ELEVATION = 97.80 — ELEVATION DIFFERENCE = -. 2.60 URBAN SUBAREA OVERLAND TIME OF.FLOW(MINUTES) = 7.862 100 YEAR RAINFALL .INTENSITY(INCH/HOUR) =5.290 SUBAREA RUNOFF(CFS) = 0.34 TOTAL AREA(ACRES) = : 0.10 TOTAL RUNOFF(CFS) = 0.34 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS. FROM NODE 3488.00 TO NODE 3920.00 IS CODE = 6 >>»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<«« UPSTREAM ELEVATION = 97.80 STREET LENGTH(FEET) = 432.00 STREET- HALFWIDTH(FEET) = 44^00 ' SPECIFIED NUMBER OF HALFSTREETS AATRAVELTYME COMPUTED USING MEAN STREET FLGWDEPTH('FEET) = -0;34 HALFSTREET FLOODWIDTH(FEEt) = 10 . AVERAGE FLOW VELOC ITY CFEET/SEC. *) = PRODUCT OF DEPTHiVEfcOeiTY^ - " 0.71 STREETELdW'iRAVELtlMECMIN) = 3.41 ICCHIN) = DOWNSTREAM ELEVATION = 94.20 CURB HEIGTH(INCHES) = 6. STREET CROSSFALL<DECIMAL) =0.0200 CARRYING RUNOFF = 1 - FLOW(CFS) = 2.56 ,46 2.11 11.28 160 YEAR RAINFALL IHIENSITy(INCH/HOUR) = 4.207 SOIL CLASSIFICATION ISJ"D» . . MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 1.60 ' SUBAREA RUNOFF(CFS) = SUMMED AREA<ACRES) = 1.70 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.40 HALFSTREET FLOODWIDTH<FEET) = 13, FLOW VELOCITY<FEET/SEC.) = 2.34 DEPTHAVELOCITY = .4.38 4.72 79 0.94 1""' CITYOF CF^/^^SAD pouNTNCY i AssociAres INC Ml^Bi Mb 9b ^Vf Ml CONSULTING CNCiNeens B'^SfBI9vml9USIWl 4A55MUHPHY CANYON KOAO ASSOCIAIES sum 200 S/W OIEGO. G» 92123 . f6l9) 576.9200 'm'^"^ FFU)^A^ /C^/^Fi?/er ^/:)AD pouNTNCY i AssociAres INC Ml^Bi Mb 9b ^Vf Ml CONSULTING CNCiNeens B'^SfBI9vml9USIWl 4A55MUHPHY CANYON KOAO ASSOCIAIES sum 200 S/W OIEGO. G» 92123 . f6l9) 576.9200 J^F CHK pouNTNCY i AssociAres INC Ml^Bi Mb 9b ^Vf Ml CONSULTING CNCiNeens B'^SfBI9vml9USIWl 4A55MUHPHY CANYON KOAO ASSOCIAIES sum 200 S/W OIEGO. G» 92123 . f6l9) 576.9200 1 t I I I i AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3920.00 TO NODE 3920.00 IS CODE = 3 >>>»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.8 INCHES PIPEFLOW VELOCITY<FEET/SEC.) = 4.3 UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGrH(FEET) = 106.00 ESTIMATED PIPE DlAMETER<INCH) PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIMECMIN.) =0.41 1.53 1.00 MANNINGS N = 18.00 \ • 4.72 - TCCHlN.) = = 0.013- NUMBER. OF PIP^S = 11.69 " : 1. AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA _ FLOW PROCESS FROM NODE 3920.00 TO NODE 3920.00 IS CODE. = 1 " »»>DESIGNATE INDEPENDENT .STREAM FOR CONFLUENCE<«« - • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 11.69 I RAINFALL INTENSITY (INCH./HOUR) = 4.12 TOTAL STREAM AREA (ACRES) = 1.70 TOTAL STREAM RUNOFE(CFS) AT CONFLUENCE = 4.72 tAAAAAAAAAAAAAAAAAAAAAAAA^tAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3720.00 TO NODE 3920.00 ..IS CODE-= 2 I I I T »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< SOIL CLASSIFICATION IS 'D- SINGLE FAMILY DEVELOPMEHI RUNOFF COEFFICIENT = .5500- NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH- 10-MINUTES :A'DDED^=' H.38(MINUTES) INITIAL SUBAREA. FLOW-LENGTH (FEET) 225.00 - UPSTREAM -ELEVATION = 17.50 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 16.50 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.185 SUBAREA RUNOFF(CFS) = 0.53 TOTAL AREA(ACRES) = 0.23 ~^TOTAL RUNOFF(CFS) = 0.53 1'"''" CITYOF CF^/^LSSAD - 4 POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS B^^B^BI9U Wj 9UBl^W 4455 MURPHY CAHYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 9T123 . (619)576.9700 POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS B^^B^BI9U Wj 9UBl^W 4455 MURPHY CAHYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 9T123 . (619)576.9700 •PWO r " FF CHK DATE POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS B^^B^BI9U Wj 9UBl^W 4455 MURPHY CAHYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 9T123 . (619)576.9700 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA I FLOW PROCESS FROM NODE .3920.00 TO NODE 3920.OO. IS CODE; = . 1 : : . »>»DESIGNATE .INDEPENDENT STREAM FOR CONFLUENCE««* CONFLUENCE VALUES USED.FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES)= 11138 RAINFALL INTENSITY (INCH./HOUR) = 4.19 TOTAL STREAM AREA (ACRES) = 0.23 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 0.53 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3466.00 TO NODE 3515.00 IS CODE = ' 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< SOIL CLASSIFICATION IS 'D* INDUSTRIAL DEVELOPMENT"RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = -44.00 UPSTREAM ELEVATION = - 1.80 DOWNSTREAM ELEVATION =1.00 - ELEVATION-DIFFERENCE-= -0.80 URBAN SUBAREA OVERLAND TIME OF ELOW(MINUIES) = TIME OF CONCENTRAfrdN" ASSUMED AS 5-MiNUTES 106 YEAR RAINFALL INTENS ITY (-INCH/HOUR) =-6.980 SUBAREA RUNpFF(CFS) = \ ; 0.66 TOTAL AREA(ACRES) = , 6.10 TOTAL RUNOFF(CFS) 1.536 0.66 r"''' CITYOF CF^/^^SAD " 5 POUNTNEY i ASSOCIATES INC. mmm. ^_ __. CONSUMING ENG/NEEK ^P^R^B Wu ^ff^MlMtj Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 14N OIEGO, 0» 92123 p f4l9) 576.9200 POUNTNEY i ASSOCIATES INC. mmm. ^_ __. CONSUMING ENG/NEEK ^P^R^B Wu ^ff^MlMtj Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 14N OIEGO, 0» 92123 p f4l9) 576.9200 B>wo " FF CHK DATE /A ^-3/ POUNTNEY i ASSOCIATES INC. mmm. ^_ __. CONSUMING ENG/NEEK ^P^R^B Wu ^ff^MlMtj Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 14N OIEGO, 0» 92123 p f4l9) 576.9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3515.00 TO NODE 3920.00 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<<--_ _ - UPSTREAM ELEVATION = 97.70 DOWNSTREAM ELEVAT ION = . ;94.40 STREET LENGTHCFEET) = . 405.00 CURB HE IGTH( INCHES) .= -6.: . : STREET HALFWIDTH(FEET>= 44.00 STREET CROSSFALL(DECIMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF =1. . . AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3.51. STREET"FLOWDEPTH(FEET) = 0.36 F--'- HALFSTREET FLOODWIDTH (FEET) = 11.79 . - AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.33 "PRODUCT OF DEPTH8VEL0CITY = 0.84 , ... STREETFLOW .TRAVELTIME(MIN) = 2.90 . TC(MIN) = 7.90 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.275 SOIL CLASSIFICATION IS 'DV. . INDUSTRIAL. DEVELOPMENT RUNOFF COEFFICIENT = .9500 „SiLB.AR£A.JlREAXACRFS) = , ; 1 . T 3 -nSimAREA..jaiNOFF (CFS >.»=^ 5...6fi^. SUMMED AREA(ACRES) = 1 .-23 TOTAL RUNOFF(CFS) = 6.33 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET)'='*0.43 • HALFSTREET FLOODWIDTH(FEET) = 15.11 FLOW-VELOCITY(FEET/SEC.).^s_. 2.63 DEPTHAVELOC ITY = 1.13 iFl- \F:l^: I'l^rFiF^^^^ fCITYOF CF^/ZL^SAD POUNTNEY i ASSOCIATES INC. ^ML ^Vf^a CONSUiriNG ENGINEERS B^^S^BI9U WlSuBl 4455 MURPHY CANYON ROAD . ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (6I9J 576-9200 POUNTNEY i ASSOCIATES INC. ^ML ^Vf^a CONSUiriNG ENGINEERS B^^S^BI9U WlSuBl 4455 MURPHY CANYON ROAD . ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (6I9J 576-9200 •"WO " FF CHK DATE POUNTNEY i ASSOCIATES INC. ^ML ^Vf^a CONSUiriNG ENGINEERS B^^S^BI9U WlSuBl 4455 MURPHY CANYON ROAD . ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (6I9J 576-9200 1 1 JiAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA • FLOW PROCESS FROM NODE 3920.00 TO NODE 3920.00 IS CODE = 1 >>»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: r." - ... .T" I TIME OF CONCENTRATION(MINUTES) = 7.90 . _ : r .;: • : :^ - - . " , . RAINFALL INTENSITY (INCH./HOUR) = 5.27 ' TOTAL STREAM AREA (ACRES)-=.. 1.23 ~ f ; .- - . . TOTAL STREAM RUNdFF(CFS). AT CONFLUENCE = . 6.33.:. I CONFLUENCE INFORMATION:'^" : STREAM RUNOFF -TIME ^.INTENSITY ' 1^ NUMBER (CFS) ^ -(MIN.) •( INCH/HOUR) 1 4.72 11.69 /- .. '.- 4.122 1 2 0.53 11.38 4.185 3 ~ 6.33"' ^-7.90 5.275 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS • VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: ' 10.18 - 10.20 10.43 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: I RUNOFF(CFS) =' ''V.io.43- : TIME(MINUTES) = 7.900 TOTAL AREA( ACRES> 3.16- - - CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE. 3920.00 TO NODE 4300.00 IS CODE =4 11 »»>COMPUTE' PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USINOV USER-SPECIFIED PIPESIZE<«« I I I I t DEPTH- OF-FLOW 'IN 18.0r INCH PIPEFLOW VEtOCITrCFEET/SEC.) UPSTREAM* NdlfE^ ELEVATiOii ^= DOWNSTREAM NODE ELEVATION = FLOWLENGIH(FEET) = 376.00 GIVEN PIPE DIAMETERtlNCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.64 PIPE IS 10.4 INCHES = ; 9.8 11.20 1.00 ' MANNINGS N = 0.013 18.00 NUMBER OF PIPES 10.43 TC(MIN.) = 8.54 I'"''' CITYOF CF^TZL^^TD OF ^ POUNTNEY s »ssocMrES INC. flBt^^ ^Vf Mir ^Ki'^Wr CONSULTING ENGINEERS K^WRWu ^Bf g^iWf M/ Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, Gi 92723 . (619)576-9200 m''"^ FALO^Fj/h^ A/^Fip/er ^i:}AD POUNTNEY s »ssocMrES INC. flBt^^ ^Vf Mir ^Ki'^Wr CONSULTING ENGINEERS K^WRWu ^Bf g^iWf M/ Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, Gi 92723 . (619)576-9200 IwO •US.0I4 " FF CHK DATE POUNTNEY s »ssocMrES INC. flBt^^ ^Vf Mir ^Ki'^Wr CONSULTING ENGINEERS K^WRWu ^Bf g^iWf M/ Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, Gi 92723 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4300.00 TO NODE 4300.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 8.54 RAINFALL INTENSITY (INCH./HOUR) = 5.03 TOTAL STREAM AREA (ACRES) = 3.16 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 10.43- AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 22.00 TO NODE 4300.00 IS CODE = 7 »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ^ USER-SPECIFIED VALUES ARE AS FOLLOWS:. -. TC(MIN) = 27.70 RAIN INTENSITY(INCH/HOUR) = 2.32 TOTAL AREA(ACRES) = 135.58 TOTAL RUNOFF(CFS)-= 289.11 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA.AAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4300.00 TO NODE 4300.00 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) = 27.70 RAINFALL INTENSITY (INCHv/HOUR) = - 2.32 . . TOTAL STREAM AREA (^CRESJ = 135.58 TOTAL'STREAM RUNOFF (CFS) Al" CONFLUENCE'= 289.11 CONFLUENCE . INFORMATION:/^ STREAM RUNOFF TIME "^ INTENSITY NUMBER (CFSX - (MIN; > • (INCH/HOUR) 10.43 289.11 8.54 27.70 5.031 2.324 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 143.99 293.93 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 293.93 T IME(MINUTES) = 27.703 TOTAL AREA(ACRES) = 138.74 • CITYOF CF>TZL^£AD pouNrNEr i AssocMrES INC. ^BI^A MMl ^Pi CONSUiriNG ENGINEER B'^B^BI9U WiSuSI *45i MUKPHV CANrON «OA0 ASSOClAfes SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 pouNrNEr i AssocMrES INC. ^BI^A MMl ^Pi CONSUiriNG ENGINEER B'^B^BI9U WiSuSI *45i MUKPHV CANrON «OA0 ASSOClAfes SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •ats.014 " FF CHK DATE pouNrNEr i AssocMrES INC. ^BI^A MMl ^Pi CONSUiriNG ENGINEER B'^B^BI9U WiSuSI *45i MUKPHV CANrON «OA0 ASSOClAfes SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4300.00 TO NODE 4300.00 IS CODE = - 4 >>>»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA- »»>USING USER-SPECIFIED PIPESIZE<«« PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 132.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = . 0.15 = 15.0 - : 2.72 1.00 MANNINGS N = 0.013 60.00 NUMBER OF PIPES 293.93 TC(MIN.) = 27.85 END OF RATIONAL METHOD ANALYSIS r"''' CITYOF CF^/ZL^SAD °' 6) POUNTNEY i A^ociArES INC. ^Bi^A JVf 9b ^Vf CONSUiriNG ENGINEERS S'WVWU ^Kf ml^SlMf Mf MS5 MURPNV CANrON KOAO ASSOClArfS SUirE200 SAN OlfCa CA 92J23 . (6/9) 574.9200 POUNTNEY i A^ociArES INC. ^Bi^A JVf 9b ^Vf CONSUiriNG ENGINEERS S'WVWU ^Kf ml^SlMf Mf MS5 MURPNV CANrON KOAO ASSOClArfS SUirE200 SAN OlfCa CA 92J23 . (6/9) 574.9200 •wo m-oi-i J^F CHK DATE //-3a'3/ POUNTNEY i A^ociArES INC. ^Bi^A JVf 9b ^Vf CONSUiriNG ENGINEERS S'WVWU ^Kf ml^SlMf Mf MS5 MURPNV CANrON KOAO ASSOClArfS SUirE200 SAN OlfCa CA 92J23 . (6/9) 574.9200 I I RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1981 HYDROLOGY MANUAL <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I (C) Copyright 1982,1986 Advanced Engineering Software CAES] Especially prepared for.: I:.-I I - S Y M C A S Symplified Computer Aided Services 3900 BIRCH ST., SUITE 105, NEWPORT BEACH CA., 92660 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I AAAAAAAAAADESCRIPTION OF RESULTSAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA- ^ PAL0MAR2.RES - NOVEMBER 23, 1987 A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA 1 I I I I I USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) =100.00 SPECIFIED MINIMUM PIPE SIZECINCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE RAINFALL-INTENSITY-ADaUSTMENT FACTOR = 1.060 NUMBER OF CTIME,INTENSITY] DATA PAIRS =11 FOR FRICTION SLOPE = 0.90 1) 2) 3) 4) 5> 6) 7) 8) 9) 10) 11) SAN 5.006; 10.000; 15.000; 20.000; 25.000; 30.000; 40.000; 50.000; 60.000; 120.000; 6.980 5.620 4-470 .3.440 2.860 2.470 2.200 1.836 1.580 1.410 0.900 DIEGO HYDROLOGY MANUAL 'C'-VALUES USED T<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I I Advanced Engineering Software CAES] SERIAL No. K1702 VER. 3.3C RELEASE DATE: 2/20/86 .•'*'/v'<r<'<'»^<'/<'/-^^'c'/'.'.'*'/^'^.r','c'.^<r-<-<•<<<<<<<<>>>>>>>>•>>>•>•> r'"''' CITYOF CF^TZLSGAD °' /o POUNTNEY ASsocjArES INC. ^Bi^A IHl ^Mt 9b^Ki^W^ CONSULTING ENGINEERS B^^RBIUU mllKltml Mf 4455MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAH DIECO. CA 92)23 . (619)576-9200 POUNTNEY ASsocjArES INC. ^Bi^A IHl ^Mt 9b^Ki^W^ CONSULTING ENGINEERS B^^RBIUU mllKltml Mf 4455MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAH DIECO. CA 92)23 . (619)576-9200 IPWO " FF CHK DATE //-^'3/ POUNTNEY ASsocjArES INC. ^Bi^A IHl ^Mt 9b^Ki^W^ CONSULTING ENGINEERS B^^RBIUU mllKltml Mf 4455MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAH DIECO. CA 92)23 . (619)576-9200 I I r 1 1 T I f FLOW PROCESS FROM NODE 3466.00 TO NODE 3416.00 IS CODE = 2 yy »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS- SOIL CLASSIFICATION IS "D' -rNDUST-R-IAL--DEV.ELOPMENr-RUNOFFrCUEETrCTENT-= -T950V=^*'^ NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 10.52(MINUTES) ./ INITIAL SUBAREA FLOW-LENGTH (FEET) =• 88.00 UPSTREAM ELEVATION = 13.50 DOWNSTREAM ELEVATION = 1.00 ELEVATION'DIFFERENCE=: 12.50 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 4.363 SUBAREA RUNOFF(CFS)=. 0.41 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.41 FLOW PROCESS FROM NODE 3416.00 TO NODE 3050.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<«« I It II I I I f UPSTREAM ELEVATION = 97.70 STREET LENGTH"(FEET)' "=~"^ 366.00 STREET HALEWIDTH(FEET) = 44.00 SPEC IFlED NUMBER OF HALFSTREETS AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = -• STREET FLOWDEPTH(FEEr) = 0.34 HALFSTREET .FLOODWIDTHCFEEI) =. 10.46 - AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.07 - 'PRODUCT OF DEPTH8VEE0CITY = 0.69 ^ ^STREETFLOW .TRAVELTIME(MIN) = 2.95: . TC(MIN) = 13.47 DOWNSTREAM ELEVATION = 94.70 CURB HEIGTH(INCHES) =6. STREET CROSSFALL(DECIMAL) =0.0200 CARRYING RUNOFF = 1 2.51 3.754 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = SOIL CLASSIFICATION IS 'D' INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 1.17 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) =^ 1.27 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPrH(FEEr) = 0.39 HALFSTREET FLOODWIDTH(FEET) = 13.12 FLOW VELOCITY(FEET/SEC.) = 2.49 DEPTHAVELOCITY = 0.97 4.17 4.59 CITYOF CF^TZI^SAD OF // POUNTNEY i ASSOCIArES INC. IBt^^flVf ^Vf 9b^Ml^^ CONSULTING ENGINEERS ^r^S^^I9KI WT^SIIBI fl^ 4455 Aiu/!PHy CANroN SOAO AssociAres SUirE 200 SAN OIEGO. CA 92123 . (619)576.9200 POUNTNEY i ASSOCIArES INC. IBt^^flVf ^Vf 9b^Ml^^ CONSULTING ENGINEERS ^r^S^^I9KI WT^SIIBI fl^ 4455 Aiu/!PHy CANroN SOAO AssociAres SUirE 200 SAN OIEGO. CA 92123 . (619)576.9200 " /?F CHK DATE //-^-3/ POUNTNEY i ASSOCIArES INC. IBt^^flVf ^Vf 9b^Ml^^ CONSULTING ENGINEERS ^r^S^^I9KI WT^SIIBI fl^ 4455 Aiu/!PHy CANroN SOAO AssociAres SUirE 200 SAN OIEGO. CA 92123 . (619)576.9200 1 1 :AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3050.00 TO NODE 3050.00 IS CODE = 3 I I I I I I I I I I I I I :»>»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<«<< . >»»USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE DEPTH OF FLOW IN-18.0 -INCH PIPE IS- 10.6 INCHES": PIPEFLOW VELOCITY(EEET/SEC.) = 4.2 : . UPSTREAM NODE ELEVATION = 1.53 - DOWNSTREAM NODE ELEVATION = 1.00 FLOWLENGTH(FEET) = 106.00 MANNINGS ESTIMATED PIPE DlAMETER(INCH) = .18.00 PIPEFLOW THRU SUBAREA(CFS) = ^ 4.59 TRAVEL TIME(MIN.) = 0.42 TC(MIN.) N = 0.013 NUMBER OF PIPES = = 13.89 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA^AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3050.00 TO NODE 3050.00 IS CODE = 1 »»>DESIGNATE INDEPENpENT STREAM FOR CONELUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.89 RAINFALL INTENSITY (INCH./HOUR) = 3.67 TOTAL STREAM AREA (ACRES) = 1.27 - - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.59 _ AAAAAAAAAAAAAAAAAAAAAAAAA.AAAikAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3466.00 TO NODE 3444.00 IS CODE = 2 .:>>>>>RATIONAL METHOD, INITJAL SUBAREA ANALYSiS<<<<^ SOIL CLASSIFICATION IS 'D* " MOBILE HOME DEVELOPMENT,. RUNOFF COEFFICIENT = .6500 " INITIAL SUBAREA ELOW-LENGTH(FEET) = 195.00 UPSTREAM ELEVATION = 4.90 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 3.90 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 9.694 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.587 SUBAREA RUNOFF(CFS) = 0.30 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.30 I""" CITYOF CF^/^^SAD °'/Z POUNTNEY t ASSOCIArES INC. t^\^^9ll ^Ml 9b^Ml ^Vf CONSULHNG ENGINEERS ^P^S^^sl9U ^sl ^Bl 4455 MURPHY CANYON ROAD A S S 0 C 1 A T £ i SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 POUNTNEY t ASSOCIArES INC. t^\^^9ll ^Ml 9b^Ml ^Vf CONSULHNG ENGINEERS ^P^S^^sl9U ^sl ^Bl 4455 MURPHY CANYON ROAD A S S 0 C 1 A T £ i SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 m-/)N /^F CHK DATE //-^'3/ POUNTNEY t ASSOCIArES INC. t^\^^9ll ^Ml 9b^Ml ^Vf CONSULHNG ENGINEERS ^P^S^^sl9U ^sl ^Bl 4455 MURPHY CANYON ROAD A S S 0 C 1 A T £ i SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA-AAAAAAAAAAAAAAAAAAAAAAAAA^AAAAA- FLOW PROCESS FROM NODE 3444.00 TO NODE 3050.00- IS CODr = : 6 ' : >»»COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««:<. UPSTREAM ELEVATION = 97.70 STREET LENGTH(FEET) = . 394.00 STREET HALFWIDTH(FEET) =-44.00 SPECIFIED NUMBER OF HALFSTREETS DOWNSTREAM ELEVATION = 94.70 .CURB HEIGTH(INCHES) = 6. STREET CROSSFALL(DECIMAL) =0.0200 CARRYING RUNOFF T=^" l > - r : " : AATRAVELTIME COMPUTED.USING MEAN FLOW(CFS) = STREET FLOWDEPTHCFEET) =0.34 HALFSTREET FLOODWIDTH(FEET)-= AVERAGE FLOW VELOCITY(FEET/SEC PRODUCT OF DEPTHXVELOCITY = STREETFLOW TRAVELTIME(MIN) = 3.24 2.46 10.46 ,) = 0.68 TC(MIN) = 2.03 12.93 3.866 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = SOIL CLASSIFICATION IS' "D" ; • ^ * INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREACACRES) = . 1.19 SUBAREA RUNOFF(CFS)= SUMMED AREACACRES) =. 1.29 TOTAL RUNOFF(CFS) = END OF SUBAREA.STREETFLOW HYDRAULICS: . . DEPTH(FEET) =0.40 HALFSTREET FLOODWIDTH(FEET) = 13.79 FLOW VELOCITY(FEET/SEC.) = 2.31 DEPTHAVELOCITY = - 0.93 4.37 4.67 4 r"""' CITYOF CF^/ZI^SAD °'I3 POUNTNEY ASSOCIATES INC. Ml^fttflR ^tl 9b^V/ M*!M^ CONSUiriNG ENGINEERS V'^S^^SBU 9^9U^Bf A<5jMU«PHy CANTON ROAO ASSOClAfes SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 POUNTNEY ASSOCIATES INC. Ml^fttflR ^tl 9b^V/ M*!M^ CONSUiriNG ENGINEERS V'^S^^SBU 9^9U^Bf A<5jMU«PHy CANTON ROAO ASSOClAfes SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 B>wo " FF CHK DATE //-3i>-3/ POUNTNEY ASSOCIATES INC. Ml^fttflR ^tl 9b^V/ M*!M^ CONSUiriNG ENGINEERS V'^S^^SBU 9^9U^Bf A<5jMU«PHy CANTON ROAO ASSOClAfes SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 1 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3050.00 TO NODE 3050.00 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) =12.93 .: RAINFALL INTENSITY (INCH./HOUR) = 3.87 :! - :r :.. .. . -.. TOTAL STREAM AREA (ACRES) = 1.29 ~ ^ : - . _ TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = ;4.-67 I I I I I X. RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS {•-VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: •I 9.02 9.02 : COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: , •P'RUNOFFTCFS r' = '" •• ' ^Ji; 02 -"-^ T1MFCMINUTES')-^=' -' 'I^J :u3(T ' " il TOTAL AREA(ACRES) = „,2.56 . t.AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3050.00 TO NODE 3050.00 IS CODE = 3 CONFLUENCE INFORMATION: " : STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) CINCH/HOUR) 1 2 4.59 4.67 13.89 12.93 3.669 3.866 i I I I I t »»>COMPUTE PIPEFLOW -TRAVELTIME THRU SUBAREA««< »»>USiNG .CbMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FL6W)««< DEPTH OF FLOW;IN l8.0 INCH.PIPE IS ,13.4 INCHES PIPEFLOW VELOCITYCFEET/SEC.) =6.4 UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH CFEET) = 67.00 ESTIMATED PIPE DIAMETERCINCH) = 18.00 PIPEELOW THRU SUBAREACCFS) = 9.02 TC(MIN.) = 1.67 1.00 . . * MANNINGS .N = 0.013 NUMBER OF PIPES TRAVEL TIME(MIN.) = 0.17 END OF RATIONAL METHOD ANALYSIS 13.10 1"''' CITYOF C/^/^^SAD °' /4 POUNTNEY a, ASSOCIATES INC. ^Bl^Al ^Kl ^flff 9b ^Bf CONSULTING ENGINEERS B^^S^^VWU^SWmW^Wj 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m'^"^ FFLO^/^ A//^/^^ /^AO POUNTNEY a, ASSOCIATES INC. ^Bl^Al ^Kl ^flff 9b ^Bf CONSULTING ENGINEERS B^^S^^VWU^SWmW^Wj 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •vo m-/)N J^F CHK DATE //-^'3/ POUNTNEY a, ASSOCIATES INC. ^Bl^Al ^Kl ^flff 9b ^Bf CONSULTING ENGINEERS B^^S^^VWU^SWmW^Wj 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1981 HYDROLOGY MANUAL <<<<<<<«<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> (C) Copyright 1982,1986 Advanced Engineering Software CAES] Especially prepared for: • - •^•- ^;^s Y,.M c-A S. . : .. . Symplified Computer Aided Services 3900 BIRCH ST., SUITE 105, NEWPORT BEACH CA., 92660 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>»»> AAAAAAAAADESCRIPTION OF RESULTSAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'AAAAAAA PAL0MAR3.RES NOVEMBER 24, 1987 A . . ... ^ ... , ^ ^ A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA 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 RAINFALL-INTENSITY ADJUSTMENT FACTOR = .1.000 NUMBER OF CTIME'j INTENSITY] DATA PAIRS = 11 'IT'' 5.000; -'S^9SO-^"^ VT' - FOR FRICTION SLOPE = 0.90 ^2) 3) —4) „5.) 6) 7X 8) 9) 10). 11) SAN ^7. ooa; 6^20 16.000; 4^470 15. ooo;-4 46' 26.OOO.;.! 2.860 25.000; 2.470 36.000; 40.000; 50.000; 60.000; 120.000; 2.200 .1.830 1.580 1.410 0.900 DIEGO HYDROLOGY MANUAL 'C'-VALUES USED <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>:>>>>>>>>>>>>>>>>>>> Advanced Engineering Software CAES] SERIAL No. K1702 VER. 3.3C RELEASE DATE: 2/20/86 1""' CITYOF C/}/?/seAD POUNTNEY i ASSOCIATES Mi^ft) !•/ WMl9btMi^il^ CONSULTING ENGINEERS ^'^B/^sl9V^BWBU'^U Wl 445i MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 POUNTNEY i ASSOCIATES Mi^ft) !•/ WMl9btMi^il^ CONSULTING ENGINEERS ^'^B/^sl9V^BWBU'^U Wl 445i MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo •i&d-oi-i " FF CHK DATE //'^-3/ POUNTNEY i ASSOCIATES Mi^ft) !•/ WMl9btMi^il^ CONSULTING ENGINEERS ^'^B/^sl9V^BWBU'^U Wl 445i MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 I I I A I r i I I i i !i 1 I I I t- , •% ••. S S N ' AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3920.00 TO NODE 3970.00 IS CODE =2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< SOIL CLASSIFICATION IS 'D' . COMMERCIAL . DEVEL0PMENI..RUN0£.F„CnEEELIC.IENT-=_.B506-:_ -;. r -. . J: NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH lO-MINUTES ADDED =,11.12(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) =103.00 UPSTREAM ELEVATION =.- . 3.75 DOWNSTREAM ELEVATION = 1.00 ' .".'ELEVATION DIFFERENCE = • 2.75 100 YEAR RAINFALL. INTENS ITY ( INCH/HOUR) = ,4.240 - .L..,.. SUBAREA'RUNOFF(CFS) = . . .0.36 _ . . .. TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.36 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3970.00 TO NODE 4620.00 IS CODE = 6 >>>»COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<«:« DOWNSTREAM ELEVATION = 75.20 CURB HEIGTH(INCHES) =6. 'STREET CROSSFALL(DECIMAL) =0.0200 CARRYING RUNOFF =1 2.34 UPSTREAM ELEVATION = 91.60 STREET LENGTH(FEET) = 650.00 STREET -HALFWIDTH(FEET) -= 44.00 ' SPECIFIED NUMBER_OF HALFSTREETS AATRAV.ELIIME COMPUTED USING MEAN FLOW(CFS) = ...gXREET FLOjWDEPTHCFEET) = 0.28 HALFSTREET FLOODWIDTHCFEET) = 7.81 - " AVERAGE FLOW.VELOCITYCFEET/SEC.) = 3.21 PRODUCT OF DEPTHXVELOCITY = 0.91 STREETFLOW TRAVELTIMECMIN). = 3.37 TCCMIN) = .14.49 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.545 SOIL CLASSIFICATION IS 'D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA AREA(ACRES) = 1.31 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 1.41 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.34 HALFSTREET FLOODWIDTH(FEET) = 10.46 FLOW VELOCITY(FEET/SEC.) = 3.55 DEPTHAVELOCITY = 1.19 3.95 4.31 CITYOF C/^/ZI^SAD POUNTNEY S. ASSOCIATES INC ^tl^^^Kl ^Mi9b^Mi ^BlM^ CONSULTING ENGINEERS B^^S^^I9U 'B 9v B^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 POUNTNEY S. ASSOCIATES INC ^tl^^^Kl ^Mi9b^Mi ^BlM^ CONSULTING ENGINEERS B^^S^^I9U 'B 9v B^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 ^wo " FF CHK OAre //'ao-3/ POUNTNEY S. ASSOCIATES INC ^tl^^^Kl ^Mi9b^Mi ^BlM^ CONSULTING ENGINEERS B^^S^^I9U 'B 9v B^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 1 I I I I 1 I I I I ii il • - !| 1 • i I I I t AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4620.00 TO NODE 4620.00 IS CODE = 1 >:>>>::-DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<«« CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.49 RAINFALL INTENSITY (INCH./HOUR) = 3.55 -' TOTAL STREAM AREA (ACRES) = 1.41 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.31 ' AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE • 31.00 TO NODE 4620,QO IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) =13.08 RAIN INTENSITY(INCH/HOUR) = 3.84 TOTAL AREACACRES) =• 5.20 TOTAL RUNOEF(CFS) = 18.15 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4620.00 TO NODE. 4620.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONELUENCE<«<< »>»AND ,COMPUTE VARIOUS CONFLUENCED. STREAM VALUES«<« CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: . - ~ ~ TIME OF C0NCENTRATI0N(MINUTES1 = 13.08 RAINFALL INTENSITY (INCH./HOUR) = 3.84 TOTAL STREAM AREA CACRES) *= 5.20 , , jrOTAL. STREAM RUNOFF CCES ) ,Ar„CONFLUENCE = 18.15 CONFLUENCE INFORMATION: • STREAM RUNOFF . .TIME - . II^TENSITY . NUMBER CCFS) CMIN.) CINCH/HOUR) 1 2 .4.31 18.15 14.49 13.08 3.545 3.836 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 21.08 22.13 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 22.13 TIME(MINUTES) = 13.080 TOTAL AREA(ACRES) = 6.61 I'"''' CITYOF CF^/ZL^SAD °'/7 POUNTNEY i ASSOCIATES INC. ^Bt^AvBBf ^Mi9b CONSULTING ENGINEERS V^lwj WU W^^Bf M/ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576-9200 •""''"^ FFLOMAI^ /^/^FiP/er ^/PAO POUNTNEY i ASSOCIATES INC. ^Bt^AvBBf ^Mi9b CONSULTING ENGINEERS V^lwj WU W^^Bf M/ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576-9200 •wo " /^F CHK DATE //-ao-3/ POUNTNEY i ASSOCIATES INC. ^Bt^AvBBf ^Mi9b CONSULTING ENGINEERS V^lwj WU W^^Bf M/ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4620.00 TO NODE 4631.00 IS CODE = 4 •>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA- •>>>USING USER-SPECIFIED PIPES IZE<«<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 14.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.4 UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 107.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.12 6.35 1.00 MANNINGS N = 0.013 18.00 NUMBER OF PIPES 22., 13 TC(MIN.)= 13.20 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4631.00 TO NODE 4631.00 IS CODE = 1 »>»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<«<< CONFLUENCE VALUES USED FOR'INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.20 RAINFALL INTENSITY (INCH./HOUR) = 3.81 TOTAL STREAM AREA (ACRES) = 6.61 -TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 22.13 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 392.O.00 TO NODE 3990.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS«<« SOIL cLiftssiFicATION is' "D'~:;v~T- : ': ^INDUSTRIAL; DEVELOPMENT- RUNOFF- COEFFICIENT = .9500 NATURAL' WATERSHED NOMOGRAPH TIME OF CONCENTRATION ' W ITH~16-MIN0'IES^ADDED =7 ilV2^ — INITIAL SUBAREA>FLOW-LENQTH(FEET) =123.00 UPSTREAM ELEVATION =v 4i20 F •"DOWNSTREAM ELEVATION = 1100 ELEVATION DIFFERENCE = 3.20 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.203 SUBAREA RUNOFF(CFS) = 0.40 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.40 t'"''' CITYOF CF^/ZI^EAD °'/& POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS B^^B^^V BUWlSU Hmj^^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92)23 . (619)576-9200 POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS B^^B^^V BUWlSU Hmj^^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92)23 . (619)576-9200 m-f/4 " /^F CHK DATE //-^-3/ POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS B^^B^^V BUWlSU Hmj^^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92)23 . (619)576-9200 1 FLOW PROCESS FROM NODE 3990.00 TO NODE 4631.00 IS CODE = b >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 92.40 DOWNSTREAM ELEVATION = 75.00 STREET LENGTH(FEET) = 641.00 CURB HE IGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL(DECIMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3.52 STREET FLOWDEPTH(FEET) = 0.31 HALFSTREET FLOODWIDTH(FEET) = 9.14 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.70 PRODUCT OF DEPTHSVELOCITY =1.14 STREETFLOW TRAVELTIME(MIN) = 2.89 TC(MIN) = 14.18 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.608 SOIL CLASSIFICATION IS 'D' INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 1.82 SUBAREA RUNOFF(CFS) = 6.24 SUMMED AREA(ACRES) = 1.92 TOTAL RUNOFF(CFS) = 6.64 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.38 HALFSTREET FLOODWIDTH(FEET) = 12.46 FLOW VELOCITY(FEET/SEC.) = 3.98 DEPTHAVELOCITY = 1.49 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4631.00 TO NODE 4631.00 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) = 14.18 ^ RAINFALL_INTENSITY .( INCH./LHOUR) = 3.61 TOTAL STREAM AREA (ACRES) = ., 1.92 TOTAL-STREAM-RUNOFF(CFS) AT^CONFLUENCE =-6.64 CONIFLUENCE INFORMATioN: ~ STREAM -RUNOFF-TIME INTENSITY NUMBER (CFS). (MIN.)„CINCH/HOUR) 1 22.13 13.20 3.810 2 6.64 14.18 3.608 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 28.42 27.60 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 28.42 T IME(MINUTES) = 13.204 TOTAL AREA(ACRES) = 8.53 I'"''' CITYOF CF/ZL3£AD POUNTNEY ASSOCIATES INC. iBi^A JHi ^Mi 9h^Bi^B^ CONSULTING ENGINEERS B^^B^^Iflv WlBU9^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 POUNTNEY ASSOCIATES INC. iBi^A JHi ^Mi 9h^Bi^B^ CONSULTING ENGINEERS B^^B^^Iflv WlBU9^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •wo " FF CHK DATE //-30-3/ POUNTNEY ASSOCIATES INC. iBi^A JHi ^Mi 9h^Bi^B^ CONSULTING ENGINEERS B^^B^^Iflv WlBU9^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4631.00 TO NODE 4631.00 IS CODE = 4 >COMPUTE PIPEFLOW TRAVELTIME THRU >USING USER-SPECIFIED PIPES IZE<<<> SUBAREA^ DEPTH OF FLOW IN 24.0 INCH PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 36.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.04 PIPE IS 14.3 INCHES = 14.6 2.44 1.00 MANNINGS N = 0 24.00 NUMBER 28.42 TC(MIN. ) = 13 013 OF PIPES ,25 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4620.00 TO NODE 4670.00 IS CODE = 2 >»>'>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS 'D" MULTI-UNITS DEVELOPMENT RUNOFF COEFFICIENT = .7000 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.37(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 138.00 UPSTREAM ELEVATION =- - 4.90 DOWNSTREAM ELEVATION = _ 1.00 ELEVATION DIFFERENCE =' 3.90 100 YEAR RAINFALL- INTENSITY(INCH/HOUR) = 4.188 SUBAREA RUNOFF(CFS) = _0.29 TOTAL AREA (ACRES )=~'^ . 0.10 TOTAL RUNOFF(CFS) = 0.29 CITYOF CF^/ZL^SAD °'Z0 POUNTNEY ASSOCIATES INC. ^•(^•\^Bf ^Vl 9b^Bf ^Bf ^B^ CONSULTING ENGINEERS ^^IWl9U W^^Bf»/ Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 Z''^'' F/U^/^ /^/^/^/^ ^/:)AD POUNTNEY ASSOCIATES INC. ^•(^•\^Bf ^Vl 9b^Bf ^Bf ^B^ CONSULTING ENGINEERS ^^IWl9U W^^Bf»/ Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo " FF CHK DATE //'^-3/ POUNTNEY ASSOCIATES INC. ^•(^•\^Bf ^Vl 9b^Bf ^Bf ^B^ CONSULTING ENGINEERS ^^IWl9U W^^Bf»/ Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 1 I I I I I I 1 t I t I I I I :AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4670.00 TO NODE 5020.00 IS CODE = 6 •COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA- DOWNSTREAM ELEVATION = 70.50 CURB HEIGTH(INCHES) = 6. STREET CROSSFALL(DECIMAL) =0.0200 CARRYING RUNOFF = I ' UPSTREAM ELEVATION = 74.60 STREET LENGTH(FEET) = 352.00 STREET HALFWIDTH(FEET) = 44.00 SPECIFIED NUMBER OF HALFSTREETS AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = ^ 1.60 STREET FLOWDEPTH(FEET) = 0.28 HALFSTREET FLOODWIDTH(FEET) = 7.81 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.20 PRODUCT OF DEPTH&VELOCITY = 0.62 STREETFLOW TRAVELTIME(MIN) = 2.67 TC(MIN) = 14.04 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.638 SOIL CLASSIFICATION IS 'D' MULTI-UNITS DEVELOPMENT RUNOFF COEFFICIENT = .7000 SUBAREA AREA(ACRES) = 1.03 SUBAREA RUNOFF(CFS) = 2.62 SUMMED AREA(ACRES) = 1.13 TOTAL RUNOFF(CFS) = 2.92 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.34 HALFSTREET FLOODWIDTH(FEET) = 10.46 FLOW VELOCITY(FEET/SEC.) = 2.40 DEPTHAVELOCITY = 0.81 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5020.00 TO NODE 5020.00 IS CODE = 1 >»>>DESIGNATE INDEPENDENT' STREAM FOR C0NFLUENCE<«<< CONFLUENCE VALUES USED FOR-INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATlON^MIN^UTES) = 14.04 •RA INF ALL INTENS IT O'iNCH. /HOUR) = '' 3V'64 -TOTAL-STREAM-AREA (ACRES)-=-—' 1.13 - TOTAL STREAM RUNOFF(CES) AT CONFLUENCE = 2.92 t'^' C/IYOF 0M^S&4/D V' ^I PROJECT FFLO^F^ A/^F^/er ^/:)AD wo FF CHK DATE //-3a-3A POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS 4455 MURPHY CANYON ROAD SUITE 200 SAN OIEGO. CA 92123 (619) 576-9200 mmmmwimmw AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5631.00 TO NODE 5620.00 IS CODE = 2 »>>>RATZONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS °D" MULTI-UNITS DEVELOPMENT-RUNOiF-COEEEICIENT- = ..700.0-- NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.62(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 123.00 UPSTREAM ELEVATION = 2.80 - DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 1.80 100 YEAR RAINFALL INTENS ITY(INCH/HOUR) = 4.137 SUBAREA RUNOFF(CFS) = 0.29 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.29 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5620.00 TO NODE 5020.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA< UPSTREAM ELEVATION = 8.70 STREET LENGTH(FEET) = 600.00 STREET HALFWIDTH(FEET) = 44.00 SPECIFIED NUMBER OF HALFSTREETS DOWNSTREAM ELEVATION = 1.00 CURB HEIGTH(INCHES) = 6. STREET CROSSFALL(DECIMAL) =0.0200 CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.80 STREET FLOWDEPTH(FEET) = 0.30 - -HALFSTREET FLOODWIDTH(FEET) = 8.47 , AVERAGE FLOW.VELOCITY(FEET/SEC.) = 2.16 PRODUCT OF DEPTHXVELOCITY = 0.64 -STREETFLOW-TRAVELT IME (MIN) 4.64- TC(MIN) = 16.25 - ~'l0"6"YEAR"~RAlVFALr INTENS ITY (^i^^^ =^ 3.294 SOIL CLASSIFICATION IS rD' MULTI-UNITS DEVELOPMENT RUNOFF COEFFICIENT = .7000 SUBAREA AREA(ACRES) = 1.30 SUBAREA RUNOFF(CFS) = 3.00 SUMMED AREA(ACRES) = 1.40 TOTAL RUNOFF(CFS) = 3.29 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.34 HALFSTREET FLOODWIDTH(FEET) = 10.46 FLOW VELOCITY(FEET/SEC.) = 2.71 DEPTHAVELOCITY = 0.91 t'""' CITYOF CFTZISSAD POUNTNEY i ASSOCIATES INC. ^^^Bl ^Bf ^Sf^H CONSULTING ENGINEERS B^^S^^S 9U ^SWU^S .uis/MURPH/CANroNROAO AssociA res SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 POUNTNEY i ASSOCIATES INC. ^^^Bl ^Bf ^Sf^H CONSULTING ENGINEERS B^^S^^S 9U ^SWU^S .uis/MURPH/CANroNROAO AssociA res SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo •a$-oi4 " FF CHK DATE //-3€)-3/ POUNTNEY i ASSOCIATES INC. ^^^Bl ^Bf ^Sf^H CONSULTING ENGINEERS B^^S^^S 9U ^SWU^S .uis/MURPH/CANroNROAO AssociA res SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 1 i t I I I I I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5020.00 TO NODE 5020.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 16.25 RAINFALL INTENSITY (INCH./HOUR) = 3.29 TOTAL STREAM AREA (ACRES) = 1.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.29- AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS. FROM NODE 41.00 TO NODE 5020.00 IS CODE = 7 »>»USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 12.72 RAIN INTENSITY(INCH/HOUR) = 3.91 TOTAL AREA(ACRES) = 5.20 TOTAL RUNOFF(CFS) = 18.50 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5020.00 TO NODE 5020.00 IS CODE = 1 >>»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<«« I I CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 12.72_. - - RAINFALL INTENSITY (INCH./HOUR) = 3.91 TOTAL STREAM AREA (ACRES) = 5.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 18.50 ^CONFLUENCE INFORMATION: I •" STREAM RUNOFF ~ ' I ^-NUMBER (CFS) CMIN.)-(INCH/HOUR) I I I I 1 ' 2.9214^04 3.638 2 . - - 3.29 16.25 - 3.294 3 18.50 12.72 3.910 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 23.11 21.52 23.98 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 23.98 T IME(MINUTES) = 12.720 TOTAL AREA(ACRES) = 7.73 I'""' CITYOF CFT^^SAD POUNTNEY ASSOCIATES INC. IBt^A JVl ^Ul9b^Mt ^Bf ^B^ CONSULTING ENGINEERS 'S*^S)wU 9U Ml SIBf Wf 4455 MURPHY CANYON ROAD A S S 0 C 1 A res SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m"'^^ FFU)^/^ A/^Fi^^/QIAO POUNTNEY ASSOCIATES INC. IBt^A JVl ^Ul9b^Mt ^Bf ^B^ CONSULTING ENGINEERS 'S*^S)wU 9U Ml SIBf Wf 4455 MURPHY CANYON ROAD A S S 0 C 1 A res SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •wo m-014 " FF CHK DATE //-3a'3/ POUNTNEY ASSOCIATES INC. IBt^A JVl ^Ul9b^Mt ^Bf ^B^ CONSULTING ENGINEERS 'S*^S)wU 9U Ml SIBf Wf 4455 MURPHY CANYON ROAD A S S 0 C 1 A res SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5020.00 TO NODE 5020.00 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA< >>>>>USING USER-SPECIFIED PIPES IZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 106.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.19 = 9,5 2.60 1.00 MANNINGS N = 0.013 24.00 NUMBER OF PIPES = 23.98 TC(MIN.) = 12.91 • AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4631.00 TO NODE 4701.00 IS CODE = 2 >>»>RATIONAL METHOD INITIAL SUBAREA ANALYS IS«<« SOIL CLASSIFICATION IS 'D' INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11. 29 (M I-NUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 123.00 UPSTREAM ELEVATION = 4.20 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = " 3.20 ' 100 YEAR RAINFALL„INTENSITY(INCH/HOUR) = 4.203 SUBAREA RUNOFF(CFS) = 0.40 TOTAL AREA(ACRES) = 0:10 TOTAL RUNOFF(CFS) = 0.40 f"''' CITYOF CF^/^^SAD °'Z4 POUNTNEY i ASSOCIATES INC. ^Bf ^0fmi^M CONSULTING ENGINEERS V^^WJBuVBUU'm 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 POUNTNEY i ASSOCIATES INC. ^Bf ^0fmi^M CONSULTING ENGINEERS V^^WJBuVBUU'm 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 Bwo " FF CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. ^Bf ^0fmi^M CONSULTING ENGINEERS V^^WJBuVBUU'm 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 1 1 •k AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA • FLOW PROCESS FROM NODE 4701.00 TO NODE 5020.00 IS CODE = 6 ^ >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 73.60 DOWNSTREAM ELEVATION = 70.50 • STREET LENGTH(FEET) = 319.00 CURB HE IGTH ( INCHES) = 6 - STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL(DECIMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF =1 • AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.19 S.TREET...FL0Wl!E£iH_CZE£.U__=.__Q^7 HALFSTREET FLOODWIDTH(FEET) = 7.14 AVERAGE FLOW VELOCITY(FEET/SEC.) = 1.89 • PRODUCT OF DEPTHXVELOCITY = 0.51 STREETFLOW TRAVELTIME(MIN) = 2.82 TC(MIN) = 14.11 I IOO YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.623 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 0.46 SUBAREA RUNOFF(CFS) = 1.58 • SUMMED AREA(ACRES) = 0.56 TOTAL RUNOFF(CFS) = 1.98 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.31 HALFSTREET FLOODW IDTH(FEET) = 9.14 p FLOW VELOCITY(FEET/SEC.) = 2.08 DEPTHAVELOCITY = 0.64 IAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5020.00 TO NODE 5020.00 IS CODE = 1 ' >>>>>D"ES'IGNATE YNDEPENDENT"" STREAM FOR CONFLUENCE<<«< |1_PPNFLUENCE...VALUES .USED .FOR_.INDEPENDENT_STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.11 I- RAINFALL-INTENSITY (INCH./HOUR) = 3.62 TOTAL STREAM AREA.(ACRES) = 0.56 TOTAL STREAM RUNOEF(CFS) AT CONFLUENCE = 1.98 I I I t 1"''' CITYOF CF^TZL^SAD POUNTNEY & ASSOCIATES INC. ^Bl^^^Bl ^Mt9b^Mt ^Bf^B^ CONSULTING ENGINEERS ^B'^Ki9j ^Ml iWf Mf 4A55 MURPHY CANVON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 POUNTNEY & ASSOCIATES INC. ^Bl^^^Bl ^Mt9b^Mt ^Bf^B^ CONSULTING ENGINEERS ^B'^Ki9j ^Ml iWf Mf 4A55 MURPHY CANVON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 J^F CHK DATE //-3a'3/ POUNTNEY & ASSOCIATES INC. ^Bl^^^Bl ^Mt9b^Mt ^Bf^B^ CONSULTING ENGINEERS ^B'^Ki9j ^Ml iWf Mf 4A55 MURPHY CANVON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5598.00 TO NODE 5528.00 IS CODE = 2 >>>»RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< SOIL CLASSIFICATION IS -D' INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.29(MINUTES ) INITIAL SUBAREA FLOW-LENGTH(FEET) = 123.00 UPSTREAM ELEVATION = 4.20 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 3.20 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.203 SUBAREA RUNOFF(CFS) = 0.40 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.40 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE .5528.00 TO NODE 5020.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<«« UPSTREAM ELEVATION = 8.30 DOWNSTREAM ELEVATION = 1.00 STREET LENGTH(FEET) = 581.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL(DECIMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME'COMPUTED USING MEAN FLOW(CFS) = 1.57 STREET FLOWDEPTH(FEET) = 0.28 HALFSTREET FLOODWIDTH(FEET) = 7.81 " AVERAGE~FLOW~VEL0CITY(FEET/SEC.) = 2.15 ... PRODUCT-^OF DEPTH8VEL0CITY = -0.61 - S^TREETFLOW TRAVELT IME (M IN) = 4.50 TC(MIN) = 15.80 .100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.348 SOIL CLASSIFICATION "IS 'D' ' INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) =' 0.73 SUBAREA RUNOFF(CFS) = -2.32 SUMMED AREA(ACRES) = 0.83 TOTAL RUNOFF(CFS) = 2.72 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.32 HALFSTREET FLOODWIDTH(FEET) = 9.80 FLOW VELOCITY(FEET/SEC.) = 2.52 DEPTHAVELOCITY = 0.81 i"''' CITYOF CF>/ZL$£AD POUNTNEY ASSOCIATES INC. ^Bt^A flf / ^Vi 9b^Ml ^Ml^M/ CONSULTING ENGINEERS WP^S^BISuWlWU SIWl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 • FFUP^FIA^ A/^/^^ /^/PAO POUNTNEY ASSOCIATES INC. ^Bt^A flf / ^Vi 9b^Ml ^Ml^M/ CONSULTING ENGINEERS WP^S^BISuWlWU SIWl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 /fF CHK DATE //-3a-3/ POUNTNEY ASSOCIATES INC. ^Bt^A flf / ^Vi 9b^Ml ^Ml^M/ CONSULTING ENGINEERS WP^S^BISuWlWU SIWl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5020.00 TO NODE 5020.00 IS CODE = 1 •DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.80 RAINFALL INTENSITY (INCH./HOUR) = 3.35 TOTAL STREAM AREA (ACRES) = 0.83 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.72 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5020.00 TO NODE 5020.00 IS CODE = 7 >>>>'>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<« USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 12.91 RAIN INTENSITY(INCH/HOUR) = 3.87 TOTAL AREA(ACRES) = 7.73 TOTAL RUNOFF(CFS) = 23.98 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5020.00 TO NODE 5020.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<«« »»>AND COMPUTE VAR IOUS, CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED-FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) =..12.91 RAINFALL INTENSITY (INCH./HOUR) = 3.87 TOTAL STREAM AREA (ACRES) =- ' 7.73 " _TOTAL ST.REA.M_RUNOFF(CFS)_ AT^CONFLUENCE =- 23.98 . . .. - CONFLUENCErlNFORMATIONl^ '^F.r.~FrT::::-^F/ _ STREAM ^^:RUNdFE_:,.„v.; ;,TIME^!S:iNTENSirY'? NUMBER (CFS) (MIN.)(INCH/HOUR) 1 1.98 _14.1I ,3.623 2 2:72 15.80 3.348 3 23.98 12.91 3.871 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 26.94 25.29 28.19 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 28.19 TIME(MINUTES) = 12.910 TOTAL AREA(ACRES) = 9.12 CITYOF C/^/ZL^SAD °'Z7 POUNTNEY i ASSOCIATES INC. ^Bl^A ^Bf 9b ^01 ^Bf ^B^ CONSULTING ENGINEERS B'^S^^BI9U Wl Wll^1 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 iT'^'"' FALO/F]/^ A/^Fi)/er ^^AO POUNTNEY i ASSOCIATES INC. ^Bl^A ^Bf 9b ^01 ^Bf ^B^ CONSULTING ENGINEERS B'^S^^BI9U Wl Wll^1 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 "wo m-CI/4 " FF CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. ^Bl^A ^Bf 9b ^01 ^Bf ^B^ CONSULTING ENGINEERS B'^S^^BI9U Wl Wll^1 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 FLOW PROCESS FROM NODE 5020.00 TO NODE 5020.00 IS CODE = 4 >>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA^ >>>USING USER-SPECIFIED PIPESIZE<«« DEPTH OF FLOW IN 24.0 INCH PIPEFLOW VELOCITY(FEET/SEC. ) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = .FL 0 W LE NGTU.(.EE£U_=_ _2 8 ^00-. GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.03 PIPE IS 13.2 INCHES = 15.9 2.40 1.00 —MANNINGS-N.= 0.013 24.00 NUMBER OF PIPES = 28.19 TC(MIN.) = 12.94 FLOW PROCESS FROM NODE 6130.00 TO NODE 6080.00 IS CODE = 2 >»»RATIONAL METHOD INITIAL SUBAREA ANALYS IS««< SOIL CLASSIFICATION IS 'D' COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED '= 11.74(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = -138.00 UPSTREAM ELEVATION = 3.10 DOWNSTREAM ELEVATION = ' 1.00 ELEVAT.ION_D.IF.FERENCE.-.=-. 2.10 ~ 100 YEAR,RAINFALL:INTENSITY(INCH/HOUR) = 4.112 SUDAREA*"RUN0FrCCFSr'=^^:*''"6735~"' ' XOTAL. AREACACRES-X_=^^- .^- ,0.10 - TOTAL RUNQFF(CFS) = 0.35 f"''' CITYOF CF^TZL^SAD POUNTNEY & ASSOCIATES INC. ^B)^A\^Bf ^flff S!f ^Mt^^ CONSULTING ENGINEERS ^P^B^^BIStl^lBSl^Sl^l 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 p (619)576.9200 POUNTNEY & ASSOCIATES INC. ^B)^A\^Bf ^flff S!f ^Mt^^ CONSULTING ENGINEERS ^P^B^^BIStl^lBSl^Sl^l 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 p (619)576.9200 •>WO J^F CHK DATE //-3a-3? POUNTNEY & ASSOCIATES INC. ^B)^A\^Bf ^flff S!f ^Mt^^ CONSULTING ENGINEERS ^P^B^^BIStl^lBSl^Sl^l 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 p (619)576.9200 I I r I I I I I I il AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6080.00 TO NODE 5690.00 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<« UPSTREAM ELEVATION = 83.10 STREET LENGTH(FEET) = 390.00 STREET HALFWIDTH(FEET) = 44.00 SPECIFIED NUMBER OF HALFSTREETS DOWNSTREAM ELEVATION = 78.20 CURB HEIGTH(INCHES) = 6. STREET CROSSFALL(DECIMAL) =0.0200 CARRYING RUNOFF = 1 7.81 .AATRAVELTIME COMPUTED USING MEAN STREET FLOWDEPTH(FEET) = 0.28 HALFSTREET FLOODWIDTH(FEET) = AVERAGE FLOW VELOCITY(FEET/SEC.) = PRODUCT OF DEPTH8VEL0CITY = 0.59 STREETFLOW IRAVELTIME(MIN) = 3.10 TC(MIN) FLOW(CFS) =. ,09 14.-84 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.472 SOIL CLASSIFICATION IS "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA AREA(ACRES) = 0.78 SUBAREA RUNOFF(CFS) = 2.30 SUMMED AREA(ACRES) = 0.88 TOTAL RUNOFF(CFS) = 2.65 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) =0.32 HALFSTREET FLOODWIDTH(FEET) = 9.80 FLOW VELOCITY(FEET/SEC.) = 2.46 DEPTHAVELOCITY = 0.79 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5690.00 TO NODE 5690.00 IS CODE = 1 L.>>.>>->DESIQNATE .INDEPEND_ENT_STREAM FOR CONFLUENCE«<« I I I I t CONFLUENCE VALUES-USED FOR-INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.84 RAINFALL INTENSITY (INCH./HOUR) = 3.47 TOTAL STREAM AREA CACRES) ~=- 0.88 TOTAL STREAM RUNOFE(CFS) AT CONFLUENCE = 2.65 t'"''' CITYOF C/^TZL^SAD °'Z.9 POUNTNEY i ASSOCIATES INC IBl^A flfl ^ll9b^Ki ^Bf ^B^ CONSULTING ENGINEERS B'^RBI9U Wllslmtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576-9200 POUNTNEY i ASSOCIATES INC IBl^A flfl ^ll9b^Ki ^Bf ^B^ CONSULTING ENGINEERS B'^RBI9U Wllslmtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576-9200 •>WO m-014 " /fF CHK DATE //-3a'3/ POUNTNEY i ASSOCIATES INC IBl^A flfl ^ll9b^Ki ^Bf ^B^ CONSULTING ENGINEERS B'^RBI9U Wllslmtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576-9200 I I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA • FLOW PROCESS FROM NODE 70.00 TO NODE 5690.00 IS CODE = 7 >»>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<«<< r I A I I I I I S II •i ii: ! I I I USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) =. 22.83. RAIN INTENSITY(INCH/HOUR) = 2.64 TOTAL AREA(ACRES) = 109.33 TOTAL RUNOFF(CFS) = 270.80 A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5690.00 TO NODE 5690.00 IS CODE = 1 >»»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<«« .»»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES«<« CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 22.83 RAINFALL INTENSITY (INCH./HOUR) = 2.64 TOTAL STREAM AREA (ACRES) = - 109.33 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2 A R E • 270.80 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER • (CFS) - (MIN.) INTENSITY (INCH/HOUR) 1 2 2.65 270.80 14.84 22:83 3.472 2.639 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED"RUNOFF'VALUES ARE AS FOLLOWS: 208.48. .-,.272.82 .-- . . • COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF ( CFS) "=' 272.82^ TIME(MINUTES) = 22.830 TOTAL AREA(ACRES) = 110.21 r"''' CITYOF CF^/ZL^GAD °'30 POUNTNEY i. ASSOCIATES INC. ^m,^m.^^ ^_ CONSULTING ENGINEERS ^^^I^Wv 9U 9l 9/1 tU^V 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 m'''''^ FFLO^F^ A/^Fk}^ /QAO POUNTNEY i. ASSOCIATES INC. ^m,^m.^^ ^_ CONSULTING ENGINEERS ^^^I^Wv 9U 9l 9/1 tU^V 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 B>wo m^l•^ " /fF CHK DATE //-3a-3/ POUNTNEY i. ASSOCIATES INC. ^m,^m.^^ ^_ CONSULTING ENGINEERS ^^^I^Wv 9U 9l 9/1 tU^V 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 1 I I I I I t AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5690.00 TO NODE 5598.00 IS CODE = 4 >>>:>:::COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 72.0 INCH PIPE IS 57.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.4 UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 142.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 6.21 1.70 1.00 MANNINGS N = 0.013 72.00 NUMBER OF PIPES = • 272.82 : • TC(MIN.) = 23.04 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5598.00 TO NODE 5598.00 IS CODE = 1 >»>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<:<<< ft CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.04 im RAINFALL INTENSITY (INCH./HOUR) = 2.62 I TOTAL STREAM AREA (ACRES) = . 110.21 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 272.82 I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6130.00 TO NODE 6060.00 IS CODE = 2 I I I I I »»>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<:<<<< SnTT. rT.aggTFTPATTfiM Tg 'n- •INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 "NATURAL WATERSHED'NOMOGRAPH"TIME OF CONCENTRATION - WITH 10-MINUTES ADDED =. =11.62(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 123.00 -UPSTREAM ELEVATION = ' 2.80 DOWNSTREAM ELEVATION = 1.00 ' ELEVATION DIFFERENCE = 1.80 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 4.137 SUBAREA RUNOFF(CFS) = 0.39 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.39 F""" CITYOF CF^/ZI^SAD POUNTNEY i ASSOCIATES INC. ^Bl^A WM\ ^Mi 9b^Vf ^Bf ^B^ CONSULTING ENGINEERS B'^S^^I Wl 9USI 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 > (619)576.9200 POUNTNEY i ASSOCIATES INC. ^Bl^A WM\ ^Mi 9b^Vf ^Bf ^B^ CONSULTING ENGINEERS B'^S^^I Wl 9USI 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 > (619)576.9200 •>wo " FF CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. ^Bl^A WM\ ^Mi 9b^Vf ^Bf ^B^ CONSULTING ENGINEERS B'^S^^I Wl 9USI 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 > (619)576.9200 I I I I I I I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6060.00 TO NODE 5598.00 IS COfiE = 6 >>:>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA- UPSTREAM ELEVATION = 83.10 DOWNSTREAM ELEVATION = 78.70 STREET LENGTH(FEET) = 462.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL(DECIMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.47 STREET FLOWDEPTH(FEET) = 0.28 HALFSTREET FLOODWIDTH(FEET) = 7.81 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.02 PRODUCT OF DEPTHXVELOCITY = 0.57 STREETFLOW TRAVELTIME(MIN) = 3 .80 " TC(MIN) = 15.42 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.392 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREACACRES) = 0.67 SUBAREA RUNOFF(CFS) = 2.16 SUMMED AREA(ACRES) = 0.77 TOTAL RUNOFF(CFS) = 2.55 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.34 HALFSTREET FLOODWIDTH(FEET) = 10.46 FLOW VELOCITY(FEET/SEC.) = 2.10 DEPTHAVELOCITY = 0.71 [•AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5598.00 TO NODE 5598.00 IS CODE = 1 || »>»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< »>»AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< 2 ARE: I I / I I - I 1 I { CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 15.42 RAINFALL- INTENSITY -( INCH./HOUR) = 3.39 TOTAyjSTREAM AREA (ACRES)„=_„ 0.77 TOTAL*'"SIREAM RUNOFFVCFS) AT CONFLUENCE' = " " CONFLUENCE' INFORM.ATION: STREAM. RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 2.1 1 2 272.82 2.55 23.04 15.42 2.623 3.392 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 274.79 213.55 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 274.79 TIME(M INUTES) = 23.038 TOTAL AREA(ACRES) = 110.98 llENT CITYOF CFTZLSSAD °' PROJECT ^VC FFLO^/^ A/^Fk^/er ^/:)AD 3^ I^O>r-. CHK DATE //-3a-3A POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS 4455 MURPHY CANYON ROAD SUITE 200 SAN DIECO. CA 92123 (619) 576-9200 wmmmvmmw AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5598.00 TO NODE 5598.00 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<< >>>»USING USER-SPECIFIED P IPES IZE<<<<< DEPTH OF FLOW IN 72.0 INCH PIPE IS 49.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.4 UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 28.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIMECMIN.) = 0.03 1.20 1.00 • MANNINGS N = 0.013 72.00 NUMBER OF PIPES 274.79 TC(MIN.) = 23.07 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6130.00 TO NODE 6200.00 IS CODE = 2 »'>';:>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS 'D* INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.69(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 123.00 UPSTREAM ELEVATION = 2.60 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 1.60 ''100-YEAR RAINFALL -INTENS ITY( INCH/HOUR) = 4.122 SUBAREA RUNOFF(CFS) 0.39 _ 'TOTAL AREA(ACRES) = 6.10 TOTAL RUNOFF(CFS). = 0.39 I'""' CITYOF CF^TZLSSAD °' 3e> POUNTNEY ASSOCIATES INC. flBl^AilBf ^Bf 9b^Bf ^B^ CONSULTING ENGINEERS KP9!}WV ^Wl ^BWMI WMI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576-9200 POUNTNEY ASSOCIATES INC. flBl^AilBf ^Bf 9b^Bf ^B^ CONSULTING ENGINEERS KP9!}WV ^Wl ^BWMI WMI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576-9200 •wo •UiS-014 " FF CHK DATE //-3a-3/ POUNTNEY ASSOCIATES INC. flBl^AilBf ^Bf 9b^Bf ^B^ CONSULTING ENGINEERS KP9!}WV ^Wl ^BWMI WMI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6200.00 TO NODE 6500.00 IS CODE = 6 >>::->>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA* UPSTREAM ELEVATION = 82.40 DOWNSTREAM ELEVATION = 80.60 STREET LENGTH(FEET) = 300.00 CURB HE IGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL(DECIMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.09 STREET FLOWDEPTH(FEET) = 0.28 - ... HALFSTREET FLOODWIDTH(FEET> = 7.81 AVERAGE FLOW VELOCITY(FEET/SEC.) = 1.50 PRODUCT OF DEPTH&VELOCITY = 0.42 STREETFLOW TRAVELT IME(MIN) = 3.33 TC(MIN) = 15.02 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.437 SOIL CLASSIFICATION IS 'D' INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 0.43 SUBAREA RUNOFF(CFS) = 1.40 SUMMED AREA(ACRES) = 0.53 TOTAL RUNOFF(CFS) = 1.80 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.32 HALFSTREET FLOODWIDTH(FEET) = 9.80 FLOW VELOCITY(FEET/SEC.) = 1.66 DEPTHAVELOCITY = 0.54 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6500.00 TO NODE 6500.00 IS CODE = 1 >»»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< • R CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: RAINFALL™INTENSITY ^( INCH./HOUR) = . 3.44 - - . TOTAL STREAM AREA (ACRES) = 0.53 TOTAL STREAM RUNOFF.(CFS) AT CONFLUENCE = 1.80 PROJECT LlENT CITYOF CF^TZL^SAD °' 34 FAU)/F)A^ A/^F^y^ ^£^AO wo ay FF CHK DATE //-3a-3A POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS 4455 MURPHY CANTON ROAD SUITE 200 SAN OIEGO, CA 92123 (619) 576-9200 mmwmvmmw AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6956.00 TO NODE 6906.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS 'D* COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11. 45(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 103.00 UPSTREAM ELEVATION = 2.40 DOWNSTREAM ELEVATION = 1.00 •ELEVATION DIFFERENCE = -1.40 ' 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.171 SUBAREA RUNOFF(CFS) = 0.35 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.3J AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6906.00 TO NODE 6500.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 85.08 DOWNSTREAM ELEVATION = 81.52 STREET LENGTH(FEET) = 406.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL(DECIMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.62 'STREET FLOWDEPTH(FEET) = 0.30 " .HALFSTREET FLOODWIDTH(FEET) =- 8.47 AVERAGE FLOW VELOCITY(FEET/SEC.) = 1.94 PRODUCT OF DEPTH&VELOCITY =' 0.57 ^STREETFLOW -TRAVELTIME(MIN)-=--.-3.49 - TC(MIN) = 14.94 "Too:YEAR'RAINFALL^ INTENSITYTINCH/HOUR) = 3.452 -SOIL...CLASSIEICATION IS.-ID-^—^^^^^^^^ - COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA ARE'AXACRES) = "0.86"' SUBAREA RUNOFF(CFS) = 2 SUMMED AREA(ACRES) = 0.96 TOTAL RUNOFF(CFS) = 2. END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.35 HALFSTREET FLOODWIDTH(FEET) = 11.13 FLOW VELOCITY(FEET/SEC.) = 2.12 DEPTHAVELOCITY = 0.74 .52 88 t""' CITYOF CFTZL^SAD POUNTNEY t ASSOCIATES INC. ^Bt^A ^Bf ^Bi^Vf ^•r' CONSULTING ENGINEERS Wr^S^^BISmlWlWU^sl^a 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576.9200 POUNTNEY t ASSOCIATES INC. ^Bt^A ^Bf ^Bi^Vf ^•r' CONSULTING ENGINEERS Wr^S^^BISmlWlWU^sl^a 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576.9200 •vo " FF CHK DATE //-30-3? POUNTNEY t ASSOCIATES INC. ^Bt^A ^Bf ^Bi^Vf ^•r' CONSULTING ENGINEERS Wr^S^^BISmlWlWU^sl^a 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576.9200 1 1 I I I I r I I I t i AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6500.00 TO NODE 6500.00 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) = 14.94 RAINFALL INTENSITY (INCH./HOUR) = 3.45 TOTAL STREAM AREA (ACRES) = 0.96 TOTAL. STREAM RUNOFF(CFS) AT CONFLUENCE = .2.88 CONFLUENCE INFORMATION: STREAM. RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 1.80 2.88 15.02 14.94 3.437 3.452 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 4.66 4.67 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: -.RUNOEF(CFS) = 4.67 TIME( M INUTES) = 14.940 TOTAL AREA(ACRES) = 1.49 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6500.00 TO NODE 6500.00 IS CODE = 4 >>»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< »»>USING USER-SPECIFIED PIPESIZE<«« : DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.7 INCHES I I I I PIPEFLOW VELOCITY(FEET/SEC;')' UPSTREAM NODE. ELEVATION = - DOWNSTREAM NODE ELEVATION = FLOWLENGTHCFEET)'= 106.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.32 5.5 2.06 1.00 . MANNINGS N = 0.013 18.00 NUMBER OF PIPES = 4.67 TC(MIN.) = 15.26 I'"''' CITYOF CF^SSAD POUNTNEY S. ASSOCIATES INC. IBi^^flb 9tl9b^Ki ^Bl^B^ CONSULTING ENGINEERS Wr^^SISUWfWUBI^B^ 4455 MURPHY CANYON ROAD ASSOCIA TfS SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 POUNTNEY S. ASSOCIATES INC. IBi^^flb 9tl9b^Ki ^Bl^B^ CONSULTING ENGINEERS Wr^^SISUWfWUBI^B^ 4455 MURPHY CANYON ROAD ASSOCIA TfS SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo J^F CHK DATE //-30-3/ POUNTNEY S. ASSOCIATES INC. IBi^^flb 9tl9b^Ki ^Bl^B^ CONSULTING ENGINEERS Wr^^SISUWfWUBI^B^ 4455 MURPHY CANYON ROAD ASSOCIA TfS SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6130.00 TO NODE 6200.00 IS CODE = 2 »>-»RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< SOIL CLASSIFICATION IS °D' INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11 . 69(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEEI) = 123.00 UPSTREAM ELEVATION = 2.60 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 1.60 100 YEAR RAINFALL INTENSITY(INCH/HOUR) =' 4.122 SUBAREA RUNOFF(CFS) = 0.39 TOTAL AREA(ACRES) = 0.10 . TOTAL RUNOFF(CFS) = 0.39 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6200.00 TO NODE 6500.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA«<<< UPSTREAM ELEVATION = 83.10 DOWNSTREAM ELEVATION = 81.50 STREET LENGTH(FEET) = 370.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL(DECIMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.07 STREET FLOWDEPTH(FEET) = 0.30 HALFSTREET FLOODWIDTH(FEET) = 8.47 AVERAGE FLOW VELOCITY(FEET/SEC.) = 1.28 PRODUCT OF DEPTH&VELOCITY = 0.38 STREETFLOW TRAVELTIME(MIN) = 4.80 TC(MIN) = 16.49 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3.267 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF SUBAREA AREAJACRES) = 0.43 SUMMED AREA(ACRES) = 0.53 COEFFICIENT = .9500 ' SUBAREA RUNOFF(CFS) = 1.33 TOTAL RUNOFF(CFS) = 1.73 END _QF__SUBAREA RTREETFT.nu HVnRAIIT TPg ; DEPTH(FEET) .= 0.34 HALFSTREET FLOODWIDTH(FEET) = 10.46 FLOW VELOCITY(FEET/SEC.) = 1.42 DEPTHAVELOCITY = 0.48 t'"''' CITYOF CF/ZL$£AD °'37 POUNTNEY ASSOCIATES INC. •Bk^ft 9i\ Mil 9b ^Ml ^Bi^B^ CONSULTING ENGINEERS fP^^^JWM Wl9USI Wl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 POUNTNEY ASSOCIATES INC. •Bk^ft 9i\ Mil 9b ^Ml ^Bi^B^ CONSULTING ENGINEERS fP^^^JWM Wl9USI Wl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo •asm " /?F CHK DATE //-30-3/ POUNTNEY ASSOCIATES INC. •Bk^ft 9i\ Mil 9b ^Ml ^Bi^B^ CONSULTING ENGINEERS fP^^^JWM Wl9USI Wl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA7^A;|^AAAAA7^AAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6300.00 ID NODE 6500.00 13 CODE I >>>.>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.49 RAINFALL INTENSITY (INCH./HOUR) = 3.27 TOTAL STREAM AREA (ACRES) = 0.53 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1.73 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6956.00 TO NODE 6886.00 IS CODE = 2 »>>>RATIONAL METHOD INITIAL SUBAREA AN AL YS IS<<<<< SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.69(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 123.00 UPSTREAM ELEVATION = 2.60 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 1.60 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.122 SUBAREA RUNOFF(CFS) = 0.39 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.39 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA • FLOW PROCESS FROM NODE 6886.00 TO NODE 6500.00 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<«« UPSTREAM ELEVATION-= 85.08. DOWNSTREAM ELEVATION = 81.52 STREET LENGTH(FEET) = 386.00 CURB HEIGTH(INCHES) =6. STREET HALFWIDTHCFEET) "= ~44T00 STREET"CROSSFALLCDECIMAL) =0.0200 SPECIFIED-NUMBER-OF HALFSTREETS:CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.32 STREET FLOWDEPTH(FEET) = 0.28 HALFSTREET FLOODWIDTH(FEET) = 7.81 AVERAGE FLOW VELOCITY(FEET/SEC.) = 1.81 PRODUCT OF DEPTHXVELOCITY = 0.51 STREETFLOW TRAVELTIME(MIN) = 3.56 TC(MIN) = 15.25 -I 100 YEAR RAINFALL INTENS ITY ( INCH/HOUR) = 3.411 3' SOIL CLASSIFICATION IS "D" ^ INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 0.56 SUBAREA RUNOFF(CFS) = 1.81 SUMMED AREA(ACRES) = 0.66 TOTAL RUNOFF(CFS) = 2.21 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.32 HALFSTREET FLOODWIDTH(FEET) = 9.80 FLOW VELOCITY(FEET/SEC.) = 2,05 DEPTHAVELOCITY = 0.66 I'"''' CITYOF CFTZI^SAD °'33 POUNTNEY i ASSOCIATES INC. ^Bt^k ^Bf 9il 9b ^01 CONSULTING ENGINEERS S^^S^^S WU Wl9v 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 POUNTNEY i ASSOCIATES INC. ^Bt^k ^Bf 9il 9b ^01 CONSULTING ENGINEERS S^^S^^S WU Wl9v 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 |wO " FF CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. ^Bt^k ^Bf 9il 9b ^01 CONSULTING ENGINEERS S^^S^^S WU Wl9v 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6500.00 TO NODE 6500.00 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) = 15.25 RAINFALL INTENSITY (INCH./HOUR) = 3.41 TOTAL STREAM AREA (ACRES) = 0.66 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.21 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.)(INCH/HOUR)- ' 1 1.73 2.21 16.49 15.25 3.267 3.411 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 3.84 3.86 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 3.86 TOTAL AREA(ACRES) = TIME(MINUTES) = 1.19 250 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6500.00 TO NODE 6500.00 IS CODE = 1 >>»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< • COWLUENCE 'VALTJES USED Fb¥~l"NDEPENbENT~s'TREAM 1 ARE: TIME OF-CONCENTRATION(MINUTES) = 15-.-25 - - ' ' ^RAINFALL INTENSITY (INCH./HOUR) = '3.41 • TOTAL STREAM AREA (ACRES) = 1.19 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.86 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6500.00 TO NODE 6500.00 IS CODE = 7 •>»»USER SPECIFIED HYDROLOGY INFORMATION AT NODE<«<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 15.26 RAIN INTENSITY(INCH/HOUR) = 3.41 TOTAL AREA(ACRES) = 1.49 TOTAL RUNOFF(CFS) = 4.67 CITYOF CF^TZL^SAD POUNTNEY S. ASSOCIATES INC. ^Bl^A ^Bl ^Vf 4Bf ^Bf ^B^ CONSULTING ENGINEERS 8^9B^^B 9U Wf^Wl9ll mf 4455 MURPHY CANYON ROAD ASSOCIA T E S SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 POUNTNEY S. ASSOCIATES INC. ^Bl^A ^Bl ^Vf 4Bf ^Bf ^B^ CONSULTING ENGINEERS 8^9B^^B 9U Wf^Wl9ll mf 4455 MURPHY CANYON ROAD ASSOCIA T E S SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •WO " FF CHK OAre //-30-3/ POUNTNEY S. ASSOCIATES INC. ^Bl^A ^Bl ^Vf 4Bf ^Bf ^B^ CONSULTING ENGINEERS 8^9B^^B 9U Wf^Wl9ll mf 4455 MURPHY CANYON ROAD ASSOCIA T E S SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 1 I AAAAAAAA A AAA'AAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAA AAAAAA AAAAAAAAAAAAAAAAAAAA AAAAA FLOW PROCESS FROM NODE 6500.00 TO NODE 6500.00 IS CODE = 1 I :.•> ;.••••>;:••• DESIGN ATE INDEPENDENT STREAM FOR CONFLUENCE<<<<<- >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< I I I I I r I CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.26 RAINFALL INTENSITY (INCH./HOUR) = 3.41 TOTAL STREAM AREA (ACRES) = 1.49 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.67 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.)(INCH/HOUR) -1 3.86 4.67 15.25 15.26 3.411 3.410 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 8.53 8.53 CO MP U TED_C.ONF LU£NCE_E&T.IMArE&_A RE-AS-EOLLO WS:.,. RUNOFF(CFS) = 8.53 TIME(MINUTES) = 15.260 TOTAL AREA(ACRES) = 2.68 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAT^AAAAAA FLOW PROCESS FROM NODE 6500.00 TO NODE 6500.00 IS CODE = 4 I »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<«« • - »>>>US.ING__USER-SPECIF.IED .PIPES IZE<<<« - jl i i I I I -DEPTH OF-FLOW IN 18. 0 INCH'PIPE IS '12.8~INCHES ^ PIPEFLOW ,VELOCITY(FEET/SEC. )-,= 6.3, "UPSTREAM NODE ELEVATION = 1.13 DOWNSTREAM NODE ELEVATION = 1.00 FLOWLENGTH(FEET) .= . 13.00 MANNINGS N = 0.013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES PIPEFLOW THRU SUBAREA(CFS) = 8.53 TRAVEL TIME(MIN.) = 0.03 TC(MIN.) = 15.29 I'""" CITYOF CFTZLSSAD °'40 POUNTNEY s. ASSOCIATES INC. IBi^A ^Bf BBf^Vf ^Bf ^B^ CONSULTING ENGINEERS ^'WBlWV 9U Wfl^l^B/ Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 m^''"^ FFLO/FJFh^ AFFic^yer /QAD POUNTNEY s. ASSOCIATES INC. IBi^A ^Bf BBf^Vf ^Bf ^B^ CONSULTING ENGINEERS ^'WBlWV 9U Wfl^l^B/ Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 Mwo " FF CHK DATE //-3a-3/ POUNTNEY s. ASSOCIATES INC. IBi^A ^Bf BBf^Vf ^Bf ^B^ CONSULTING ENGINEERS ^'WBlWV 9U Wfl^l^B/ Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 ^1 t I I I I A I I I I I t j II I I I tAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 7748.00 TO NODE 7696.00 IS CODE = 2 >>>::•• >RATIONAL METHOD INITIAL SUBAREA ANALYS IS< SOIL CLASSIFICATION IS 'D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.73(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 135.00 UPSTREAM ELEVATION = 3.00 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 2.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.114 SUBAREA RUNOFF(CFS) =- 0.39 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.39 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 7696.00 TO NODE 6956.00 IS CODE = 6 »>>>COMPUTE; STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 92.50 DOWNSTREAM ELEVATION = STREET LENGTH(FEET) = 740.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL(DECIMAL) = SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 2.10 STREET FLOWDEPTH(FEET) = 0.31 HALFSTREET FLOODWIDTH(FEET) = AVERAGE FLOW VELOCITY(FEET/SEC PRODUCT OF DEPTHXVELOCITY = STREETFLOW TRAVELTIME(MIN) = 5.58 85.08 = 0.0200 9.14 , ) = 2.21 0.68 TC(MIN) = 17.31 100 YEAR F?AINFALL _INTENSITY( INCH/HOUR) = 3.172 SOIL CLASSIFICATION IS 'D' INDUSTRIAL'-DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA.(ACRES). = . ,1.12 . SUBAREA-RUNOFF(CFS) = 3.37 SUMMED AREACACRES) 1.22 TOTAL .RUNOFF(CFS) = 3.77 END'OF SUBAREA STREETFLOW HYDRAULICSr ' • DEPTH(FEET) _=:.0.36 HALFSTREET FLOODWIDTH(FEET) = 11.79 FLOW VELOCITY(FEET/SEC.) = 2.50 DEPTHAVELOCITY = 0.90 f"""' CITYOF C/^TZL^SAD °'4I POUNTNEY i ASSOCIATES INC. t^\^^^MltWl9b^Wl^Ml^W^ CONSULTING ENGINEERS WP^B^SIWUVI'BU^^I'S 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m°'"^ FAU)/FJ/h^ AF/^yer^AO POUNTNEY i ASSOCIATES INC. t^\^^^MltWl9b^Wl^Ml^W^ CONSULTING ENGINEERS WP^B^SIWUVI'BU^^I'S 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •wo m-014 " /?F CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. t^\^^^MltWl9b^Wl^Ml^W^ CONSULTING ENGINEERS WP^B^SIWUVI'BU^^I'S 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 7450.00 TO NODE 7403.00 IS CODE = 2 I ^^^TI'^L SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS 'D" MULTI-UNITS DEVELOPMENT RUNOFF COEFFICIENT = .7000 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12.25(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 147.00 UPSTREAM ELEVATION = 2.30 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE " 1.30 ' 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.007 SUBAREA RUNOFF(CFS) = 0.28 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.28 FLOW PROCESS FROM NODE 7403.00 TO NODE 6956.00 IS CODE = 6 »>»COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<«« 1.00 UPSTREAM ELEVATION = 5.50 DOWNSTREAM ELEVATION = STREET LENGTH(FEET) = 447.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET)' = 44.00 STREET CROSSFALL(DECIMAL) =0.0^00 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1 36 STREET FLOWDEPTH(FEET) = 0.28 HALFSTREET FLOODWIDTH(FEET) = 7.81 ' AVERAGE FLOW VELOCITY(FEET/SEC.) = 1.86 PRODUCT OF DEPTHXVELOCITY = 0.53 -STREETFLOW TRAVELTIMECMIN)-= 4.00 TC(MIN):= 16.25 "100 YEAR RAINFALL • INTENSITY(INCH/HOUR) = 3.295 SOIL CLASSIFICATION-IS--D" - MULTI-UNITS DEVELOPMENT RUNOFF COEFFICIENT = .7000 SUBAREA AREA(ACRES) = " 0.93 SUBAREA RUNOFF(CFS) = -SUMMED AREA(ACRES) = -1.03 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.32 HALFSTREET FLOODWIDTH(FEET) = 9.80 FLOW VELOCITY(FEET/SEC.) = 2.25 DEPTHAVELOCITY = 0.72 2.15 2.43 "42 POUNTNEY i ASSOCIATES INC. Ml^ft IWl 9il9b^Ml ^Bf CONSULTING ENGINEERS S'^^^l 9U 9U SI ml 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (419)576-9200 POUNTNEY i ASSOCIATES INC. Ml^ft IWl 9il9b^Ml ^Bf CONSULTING ENGINEERS S'^^^l 9U 9U SI ml 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (419)576-9200 •wo " FF CHK OAre //-3a-3/ POUNTNEY i ASSOCIATES INC. Ml^ft IWl 9il9b^Ml ^Bf CONSULTING ENGINEERS S'^^^l 9U 9U SI ml 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (419)576-9200 1 t t I • I I I f I I I f I I I t AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6956.00 TO NODE 6956.00 IS CODE = 1 >>>»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.25 RAINFALL INTENSITY (INCH./HOUR) = 3.30 TOTAL STREAM AREA (ACRES) = 1.03 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.43 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 121.00 TO NODE 6956.00 IS CODE = 7 »>»USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<«< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.06 RAIN INTENSITY(INCH/HOUR) = 3.84 TOTAL AREA(ACRES) .= 3.10 TOTAL RUNOFF(CFS) = 11.30 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA ...FLOW_PRDCESS_ERnM_Nail£ AQFiA-OO Tn unrw. - Aosr^.nn mPE = 1 >»»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<«'« »>»AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< -CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.06 RAINFALL INTENSITY (INCH./HOUR) = 3.84 TOTAL STREAM AREA (ACRES) = 3.10 TOTAL STREAM RUNOFF(CFS) AT_CONFLUENCE = 11.30 CONFLUENCE INFORMATION: --- --- - • STREAM RUNOFF TIME '"INTENSITY NUMBER' (CFS)' '(MIN.') (INCH/HOUR) t J 1 2.43 11.30 16.25 13.06 3.295 3.840 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 12.12 13.38 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 13.38 TIME(MINUTES) = 13.060 TOTAL AREA(ACRES) = 4.13 t""" CITYOF C/^/ZI^SAD POUNTNEY i ASSOCIATES INC. ^B)^ft\Mr/^V/•RrMli^BfM^ CONSULTING ENGINEERS ^B'9vWu ^Wl WlWsl^Bf Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576.9200 POUNTNEY i ASSOCIATES INC. ^B)^ft\Mr/^V/•RrMli^BfM^ CONSULTING ENGINEERS ^B'9vWu ^Wl WlWsl^Bf Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576.9200 •vo " /?F CHK OAre //-3a-3? POUNTNEY i ASSOCIATES INC. ^B)^ft\Mr/^V/•RrMli^BfM^ CONSULTING ENGINEERS ^B'9vWu ^Wl WlWsl^Bf Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576.9200 1 1 i I I I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6956.00 TO NODE 6956.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<< »>>:>USING USER-SPECIFIED P IPES IZE<<<« DEPTH OF FLOW IN 24.0 INCH PIPE IS 13.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.3 UPSTREAM NODE ELEVATION = 2.10 DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 106.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) TRAVEL TIME(MIN.) = 0.24 . 1.00 MANNINGS N = 0.013 24.00 NUMBER OF PIPES = 13.38 TC(MIN.) = 13.30 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6950.00 TO NODE 6950.00 IS CODE =1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<« CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.30 RAINFALL INTENSITY (INCH./HOUR) = 3.79 TOTAL STREAM AREA (ACRES) = 4.13 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.38 I I i • ' l^AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA , " FLOW PROCESS FROM NODE 6950.00 TO NODE 6950.00. IS CODE = 7 V 1 , ; r r »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< { USER-SPECIFIED VALUES ARE AS FOLLOWS: I TC(MIN) =-17.31 RAIN INTENS ITY ( INCH/HOUR) = 3.17 TOTAL AREA(ACRES) = 1.22 TOTAL RUNOFF(CFS) = 3.77 I I I t"''' CITYOF CF^TZLS£AD °'44 POUNTNEY & ASSOCIATES INC. BBt^A t9l ^Wl 9b^Bi^B^ CONSULTING ENGINEERS S'^S^SI WU Wl 9UBl IS 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576.9200 POUNTNEY & ASSOCIATES INC. BBt^A t9l ^Wl 9b^Bi^B^ CONSULTING ENGINEERS S'^S^SI WU Wl 9UBl IS 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576.9200 •^o mm TfF CHK DATE //-3a^3/ POUNTNEY & ASSOCIATES INC. BBt^A t9l ^Wl 9b^Bi^B^ CONSULTING ENGINEERS S'^S^SI WU Wl 9UBl IS 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576.9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6950.00 TO NODE 6950.00 IS CODE = 1 :>:5>>::=DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<- »>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.31 RAINFALL INTENSITY (INCH./HOUR) = 3.17 TOTAL STREAM AREA (ACRES) = 1.22 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.77 CONFLUENCE INFORMATION: STREAM RUNOFF - TIME INTENSITY NUMBER (CFS) (MIN.)(INCH/HOUR) 1 2 13.38 3.77 13.30 17.31 3.790 3.172 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 16.54 14.97 COMPUTED CONFLUENCE.ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 16.54 T IME (M,INUTES) = 13.302 TOTAL AREA(ACRES) = - 5.35 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 6950^00 TO NODE 6950.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA«<« .»>.»USING USER-SPEC IF IED_P IPES IZE««< DEPTH OF FLOW IN24;0 INCH.PIPE IS 14.3 ,P IPEFLOW...VELOCITYCFEET/SEC. = 8.4 INCHES UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION =' FLOWLENGTHCFEET) = -.15.00 . GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.03 1.20 1.00 MANNINGS N = 0.013 24.00 NUMBER OF PIPES 16.54 TC(MIN.) = 13.33 t"""' CITYOF CF^/ZL^SAD POUNTNEY i. ASSOCIATES M) A)M/ ••/9il tWl WMlW^ CONSULTING ENGINEERS ^'^Bf^fWU WlWU Wtl B^ 445i MURPWy CANTON ROAO ASSOCIATES SUITE 200 SAN DIEGO. CA 92123 , (619)576-9200 m''"^ FAUP^A^ AFFi)/er /^AD POUNTNEY i. ASSOCIATES M) A)M/ ••/9il tWl WMlW^ CONSULTING ENGINEERS ^'^Bf^fWU WlWU Wtl B^ 445i MURPWy CANTON ROAO ASSOCIATES SUITE 200 SAN DIEGO. CA 92123 , (619)576-9200 Bwo mm " FF CHK DATE //-3a-3/ POUNTNEY i. ASSOCIATES M) A)M/ ••/9il tWl WMlW^ CONSULTING ENGINEERS ^'^Bf^fWU WlWU Wtl B^ 445i MURPWy CANTON ROAO ASSOCIATES SUITE 200 SAN DIEGO. CA 92123 , (619)576-9200 1 I r I I I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 7450.00 TO NODE 7450.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< SOIL CLASSIFICATION IS °D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 17.12(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 920.00 UPSTREAM ELEVATION = 105.00 DOWNSTREAM ELEVATION = 89.00 ELEVATION DIFFERENCE = 16.00 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 3.195 SUBAREA RUNpFF(CFS) = 3.82 TOTAL AREA(ACRES) = 1.26 TOTAL RUNOFF(CFS) = 3.82 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA I FLOW PROCESS FROM NODE 7450.00 TO NODE 7450.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<«« I CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: • TIME OF CONCENTRATION(MINUTES) = 17.12 . . RAINFALL..INIENS.ITY (INCH. /H0URX-=_3.^9 I TOTAL STREAM AREA (ACRES) = 1.26 TOTAL STREAM RUNOFF(CFS)' AT CONFLUENCE = 3.82 tAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA . FLOW.-PROCESS .FROM NODE . . -5.00 TO NODE- 7450.00 IS CODE = 7 I I I I t -»»>USER:SPECIFIED HYDROLOGY INFORMATION AT NODE«<« .USER-SPECIFIED VALUES ARE AS FOLLOWS: TCCMIN) =14:91 RAIN INTENSITY(INCH/HOUR) = 3.46 TOTAL AREACACRES) = 23.80 TOTAL RUNOFF(CFS) = 81.15 CITYOF CFTZI^SAD °'4(^ POUNTNEY t ASSOCIATES INC. ^Bk^A ^Bf ^Vl 4B!f ^Bf ^B^ CONSULTING ENGINEERS ^S^WKiWO ^Wl JB/MF/ Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO, CA 92123 . (619)576-9200 m"'^"^ FAU)/F]/^ AFFip^er ^/:)AD POUNTNEY t ASSOCIATES INC. ^Bk^A ^Bf ^Vl 4B!f ^Bf ^B^ CONSULTING ENGINEERS ^S^WKiWO ^Wl JB/MF/ Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO, CA 92123 . (619)576-9200 •wo " FF CHK DATE //-3a-3/ POUNTNEY t ASSOCIATES INC. ^Bk^A ^Bf ^Vl 4B!f ^Bf ^B^ CONSULTING ENGINEERS ^S^WKiWO ^Wl JB/MF/ Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 7450.00 TO NODE 7450.00 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) = 14.91 RAINFALL INTENSITY (INCH./HOUR) = 3.46 TOTAL STREAM AREA (ACRES) = 23.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 81.15 CONFLUENCE INFORMATION: STREAM . RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 9 3.82 81.15 17.12 14.91 3.195 3.459 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: . 78.78 84.68 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 84.68 TIME(MINUTES) = 14.910 TOTAL AREA(ACRES) = - 25.06 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 7450.00 TO NODE 7450.00 IS CODE = 4 >'»»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA«<« »>»USING USER-SPECIFIED P IPES IZE<<<<< •DEPTH OF FLOW IN -48.0 INCH-PIPE IS—27;4 INCHES- - PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM'NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 125.00 G IVEN P IPE ~D lAMETER ( INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.18 = 11.4 2.25 1.00 MANNINGS N = 0.013 < 48.00 NUMBER OE PIPES = 84.68 TC(MIN.) = 15.09 •CITYOF CF^/ZL^SAD °'47 POUNTNEY i ASSOCIATES INC. IBl^ftv^Bf Wtl9b^Ml ^Bl^B^ CONSULTING ENGINEERS ^'Wl^Wv WfWmllKI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 w'^'^ FALo/Fj/h^ AFFi^yer /^^Ao POUNTNEY i ASSOCIATES INC. IBl^ftv^Bf Wtl9b^Ml ^Bl^B^ CONSULTING ENGINEERS ^'Wl^Wv WfWmllKI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo mm ay ^ /?F CHK DATE //-3a'3/ POUNTNEY i ASSOCIATES INC. IBl^ftv^Bf Wtl9b^Ml ^Bl^B^ CONSULTING ENGINEERS ^'Wl^Wv WfWmllKI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 7836.00 TO NODE 7836.00 IS CODE = 2 ::= >:>>>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 16 .57(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 780.00 UPSTREAM ELEVATION = 105.00 DOWNSTREAM ELEVATION = 93.00 ELEVATION DIFFERENCE = 12.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.258 SUBAREA RUNOFF(CFS) = 2.41 TOTAL AREA(ACRES) = 0.78 TOTAL RUNOFF(CFS) = 2.41 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 7836.00 TO NODE 7836.00 IS CODE =1 >»>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««'< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.57 RAINFALL INTENSITY (INCH./HOUR) = 3.26 TOTAL STREAM AREA (ACRES) = 0.78 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.41 AAAAAAAAA'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAA * FLOW PROCESS FROM NODE 8450.00 TO NODE 8380.00 IS CODE = 2 »»>RATIONAL METHOD IN IT lAL-SUBAREA ANALYSIS«<« SOIL CLASSIFICATION IS '^^^^i^F^ : . -INDUSTRIAL-DEVELOPMENT RUNOFF COEFFICIENT = .9500 * NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.33(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 123.00 UPSTREAM ELEVATION = 4.00 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 3.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.197 SUBAREA RUNOFF(CFS) = 0.40 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.40 I"""' CITYOF CF^/ZISSAD POUNTNEY S. ASSOCIATES INC. Ml^ftkflFf Mfl 9b^Ml 9ll9f^ CONSULTING ENGINEERS WP^^^B) 9U WlWv W^ 4455MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 w'^"^ FAU)/FPF^ AF^y^r ^/PAO POUNTNEY S. ASSOCIATES INC. Ml^ftkflFf Mfl 9b^Ml 9ll9f^ CONSULTING ENGINEERS WP^^^B) 9U WlWv W^ 4455MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •vo mm " /^F CHK DATE //-3a^3/ POUNTNEY S. ASSOCIATES INC. Ml^ftkflFf Mfl 9b^Ml 9ll9f^ CONSULTING ENGINEERS WP^^^B) 9U WlWv W^ 4455MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 1 tAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 8380.00 TO NODE 7836.00 IS CODE = 6 I I I I I I I I >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA< UPSTREAM ELEVATION = 108.80 DOWNSTREAM ELEVATION = 94.30 STREET LENGTH(FEET) = 544.00 CURB HE IGTH(INCHES) = 6, STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL(DECIMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 2.14 STREET FLOWDEPTH(FEET) = 0.27 HALFSTREET FLOODWIDTH(FEET) = 7.14 AVERAGE-FLOW-VELOCITY(FEET/SEC.) =. 3.41 PRODUCT OF DEPTH&VELOCITY = 0.92 STREETFLOW TRAVELTIME(MIN) = 2.66 TC(MIN) = 13.99 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.649 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 1.01 SUBAREA RUNOFF(CFS) = 3.50 SUMMED AREA(ACRES) = 1.11 TOTAL RUNOFF(CFS) = 3.90 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.32 HALFSTREET FLOODWIDTH(FEET) = 9.80 FLOW VELOCITY(FEET/SEC.) = 3.62 DEPTHAVELOCITY = 1.16 FLOW PROCESS FROM NODE 7836.00 TO NODE 7836.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<«« AAA-- • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: .TIME...OF CONCENTRATION(MINUTES) -= 13.99 • RAINFALL INTENSITY (INCH./HOUR) = 3.65 -TOTAL-STREAM AREA (ACRES) =~ 1.11~ ' . „.TOTAL STREAM:RUN0F.E(CFS)-AT CONFLUENCE = - 3.90 {. (AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 132.00 TO NODE 7836.00 IS CODE = 7 I I I >»>:;USER SPECIFIED HYDROLOGY INFORMATION AT NODE<«« USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 14.12 RAIN INTENS ITY(INCH/HOUR) = 3.62 TOTAL AREA(ACRES) = 15.48 TOTAL RUNOFF(CFS) = 55.20 i"''' CITYOF CF^FI^SAD POUNTNEY ASSOCIATES INC. J9\^^Wh WWl9il^W\ 9tl1W^ CONSULTING ENGINEERS BP^B^SI WU Wl 9v ^1 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO, CA 92123 . (619)576.9200 POUNTNEY ASSOCIATES INC. J9\^^Wh WWl9il^W\ 9tl1W^ CONSULTING ENGINEERS BP^B^SI WU Wl 9v ^1 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO, CA 92123 . (619)576.9200 ''m'/JN " FF CHK DATE //-3a-3/ POUNTNEY ASSOCIATES INC. J9\^^Wh WWl9il^W\ 9tl1W^ CONSULTING ENGINEERS BP^B^SI WU Wl 9v ^1 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIECO, CA 92123 . (619)576.9200 1 r r I I I I I I cAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 7836.00 TO NODE 7836.00 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) = 14.12 RAINFALL INTENSITY (INCH./HOUR) = 3.62 TOTAL STREAM AREA (ACRES) = 15.48 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 55.20 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 9 2.41 3.90 55.20 16.57 13.99 14.12 3.258 3.649 3.621 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 55.56 60.84 61.24 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 61.24 IIME(MINUTES) = 14.120 TOTAL AREA(ACRES) = 17.37 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA • FLOW PROCESS FROM NODE 7836.00 TO NODE 7836.00 IS CODE = 4 >>>»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< »>>>USING USER-SPECIFIED PIPESIZE<<«< rt.j I I DEPTH OFlFLOW IN ;. 36.0 INCH .PIPE IS .28.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION- DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 118.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.19 = 10.3 2.20 1.00 MANNINGS N = 0.013 36.00 NUMBER OF PIPES 61.24 TC(MIN.) = 14.31 EAAAA AAAAAAAAAAAAAA AAA AAAAA AA*****A*******JrAA*A**JrA**A**A-iir4. + + + 4.4.4.4.4.j.4.4.4.J.4.J.4.i I I'"''' CITYOF CFTZI^EAD POUNTNEY s. ASSOCIATES INC. ^Bi^A WMl ^BFl ^Bf ^B^ CONSULTING ENGINEERS ^S'^/bWO9U WlWSl^B/ Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 m'^''' FAOP/FPFh^ AFF^/^ ^^AD POUNTNEY s. ASSOCIATES INC. ^Bi^A WMl ^BFl ^Bf ^B^ CONSULTING ENGINEERS ^S'^/bWO9U WlWSl^B/ Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo " /fF CHK DATE //-3a-3/ POUNTNEY s. ASSOCIATES INC. ^Bi^A WMl ^BFl ^Bf ^B^ CONSULTING ENGINEERS ^S'^/bWO9U WlWSl^B/ Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 FLOW PROCESS FROM NODE 7336,00 TO NODE 7336.00 IS CODE >>>>>DESIGNATE INDEPENDENT STREAM FOR CQNFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.31 RAINFALL INTENSITY (INCH./HOUR) = 3.58 TOTAL STREAM AREA (ACRES) = 17.37 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 61.24 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 8450.00 TO NODE 8380.00 IS CODE = 2 >»»RATIONAL METHOD: INITIAL SUBAREA ANALYSIS<«« SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION . WITH 10-MINUTES ADDED = 11.55(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 123.00 UPSTREAM ELEVATION = 3.00 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 2.00 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 4.151 SUBAREA RUNOFF(CFS) = 0.39 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.39 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -FLOW PROCESS FROM NODE 8380.00 TO NODE 7836.00 IS CODE = 6 >»»COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA«<« 94.30 ^.UPSTREAM. ELEVATION = . 108.80 DOWNSTREAM ELEVATION = STREET LENGTH(FEET) = 544.00 CURB HEIGTH(INCHES) = 6. STREET-HALFWIDTH(FEETr = -44.-00 ' STREET CROSSFALL (DEC IMAL) =0.0200 .SPECIFlED^NUMBER OF. HALFSTREETS CARRYING RUNOFF =1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = -1.73 STREET'FLOWDEPTH(FEET) = 0.26 HALFSTREET FLOODWIDTH(FEET) = 6.48 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.21 PRODUCT OF DEPTHSVELOCITY = 0.82 STREETFLOW TRAVELTIME(MIN) = 2.83 TC(MIN) = 14.38 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.568 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 0.79 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 0.89 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.31 HALFSTREET FLOODW IDTH(FEET) = 9.14 FLOW VELOCITY(FEET/SEC.) = 3.22 DEPTHAVELOCITY = 1.00 2.68 3.07 E""' CITYOF CF^/ZL^EAD POUNTNEY & ASSOCIATES INC. BBi^^ Mif 4B!f ^Bi^B^ CONSULTING ENGINEERS ^^W/OWb^Wi WlmWI^Bf 4455 MURPHy CANTON ROAD A S S 0 C i A r £ S SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m^''"^ FALO/FPAi^ AF/^FT^/PAO POUNTNEY & ASSOCIATES INC. BBi^^ Mif 4B!f ^Bi^B^ CONSULTING ENGINEERS ^^W/OWb^Wi WlmWI^Bf 4455 MURPHy CANTON ROAD A S S 0 C i A r £ S SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •wo mm " /^F CHK OAre //-30-3? POUNTNEY & ASSOCIATES INC. BBi^^ Mif 4B!f ^Bi^B^ CONSULTING ENGINEERS ^^W/OWb^Wi WlmWI^Bf 4455 MURPHy CANTON ROAD A S S 0 C i A r £ S SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 1 IAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 7836.00 TO NODE 7836.00 IS CODE = 1 >>>»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<-^>;'.V »>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<«<< I I 1 I I I I A I E I I I I t CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE; TIME OF CONCENTRATION(MINUTES) = 14.38 RAINFALL INTENSITY (INCH./HOUR) = 3.57 TOTAL STREAM AREA (ACRES) = 0.89 XOTAL_ STREAM-.RU.NOF.£-CCESj—AX-CONF.LUENCE =- _". -..3.,07- .- CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 61.24 3.07 14.31 14.38 3.582 3.568 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 64.30 64.08 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 64.30 TIME(MINUTES) = 14.311 TOTAL AREA(ACRES) = 18.26 AAAAAAAAAAAAAA'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 7836.00 TO NODE 7836.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<«< »»>US ING . USER-SPEC IF lED P IPES IZE«« < DEPTH OF FLOW IN "36.0 INCH PIPE IS ' 28.4 INCHES E-IPEFLOW- VELOC ITY (FEET/SEC. ) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 18.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.03 = 10.7 1.20 1.00 MANNINGS N = 0.013 36.00 NUMBER OF PIPES = 64.30 TC(MIN.) = 14.34 CITYOF CFTZISSAD POUNTNEY ASSOCIATES INC. M)^ft\ JV/ ^Wl 9b^Vf ^VlM^ CONSULTING ENGINEERS ^'WBfWBJ 9U Wl^WI Wtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIEGO. CA 92123 . (619)576-9200 m''"^ FAU)/FP/hF AF/^FT ^/PAO POUNTNEY ASSOCIATES INC. M)^ft\ JV/ ^Wl 9b^Vf ^VlM^ CONSULTING ENGINEERS ^'WBfWBJ 9U Wl^WI Wtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIEGO. CA 92123 . (619)576-9200 •wo •Zid.014 " FF CHK DATE //-3a-3/ POUNTNEY ASSOCIATES INC. M)^ft\ JV/ ^Wl 9b^Vf ^VlM^ CONSULTING ENGINEERS ^'WBfWBJ 9U Wl^WI Wtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIEGO. CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 8933.00 TO NODE 8863.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D' INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11 . 55(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 123.00 UPSTREAM ELEVATION = 3.00 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 2.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.151 SUBAREA RUNOFF(CFS) = 0.39 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.39 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA- FLOW PROCESS FROM NODE. 8863.00 TO NODE 8450.00 IS CODE = 6 >>>'>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 113.00 DOWNSTREAM ELEVATION = 108.80 STREET LENGTH(EEET) = 413.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL(DECIMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.21 STREET FLOWDEPTH(FEET) = 0.27 HALFSTREET FLOODWIDTH(FEET) = 7.14 AVERAGE FLOW VELOCITY(FEET/SEC.) = 1.92 PRODUCT OF DEPTH&VELOCITY = 0.52 STREETFLOW TRAVELTIME(MIN)=- 3.59 TC(MIN) = 15.14 lOO" YEAR RAINFALL' INfENSITY(INCH/HOUR)^^^= 3.424 SOIL CLASSIFICATION IS'D' INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 0.50 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 0.60 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.31 HALFSTREET FLOODWIDTH(FEET) = 9.14 FLOW VELOCITY(FEET/SEC.) = 2.12 DEPTHAVELOCITY = 0.66 1.63 2.02 I""' CITYOF C/^/ZI^EAD °' ^3 POUNTNEY i ASSOCIATES INC M) AM/M/WflV/M/ CONSULTING ENGINEERS ^T^S'^B'WKl gf ^M/^Bl Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m'^'' FALO/FPA^ AFFipFr ^/PAO POUNTNEY i ASSOCIATES INC M) AM/M/WflV/M/ CONSULTING ENGINEERS ^T^S'^B'WKl gf ^M/^Bl Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •vo m^N /fF CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC M) AM/M/WflV/M/ CONSULTING ENGINEERS ^T^S'^B'WKl gf ^M/^Bl Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3450.00 TO NODE 8450.00 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA>V>v-> >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE PIPEFLOW VELOCITY(FEET/SEC.) = UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 106.00 GIVEN PIPE DIAMETERCINCH)^ = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.51 6.6 INCHES IS 3.4 1.53 1 .00 MANNINGS N = 0, 18.00 NUMBER 2.02 TC(MIN.) = 15, 013 - OF PIPES = AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 8450.00 TO NOM 8450.00 IS CODE = ' 1 - •»»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<< < < < < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.65 RAINFALL INTENSITY (INCH./HOUR) = 3.36 TOTAL "STREAM AREA (ACRES) = 0.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.02 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 8933.00 TO NODE 8863.00 IS CODE = 2 ->»»RATIONAL -METHOD IN IT lAL-SUBAREA ANALYSIS««< SOIL' CLASSIFICATION IS~'D• ! ' MULTI-UNITS DEVELOPMENT RUNOFF COEFFICIENT = .7000 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MlNUtES ADDED = 11;55(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 123.00 UPSTREAM ELEVATION = 3.00 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 2.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.151 SUBAREA RUNOFF(CFS) = 0.29 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.29 I'"""' CITYOF CF^FI^SAD "'^4 POUNTNEY i ASSOCIATES INC. ^_ CONSULTING ENGINEERS S^^S^^I WU WlSv^l 4455 MURRHr CANYON ROAD ASSOCIATES SUITE 200 SAN DIEGO, CA 92123 . (619)576-9200 2'''^''' FAUP^F^ AF/^^ ^/PAD POUNTNEY i ASSOCIATES INC. ^_ CONSULTING ENGINEERS S^^S^^I WU WlSv^l 4455 MURRHr CANYON ROAD ASSOCIATES SUITE 200 SAN DIEGO, CA 92123 . (619)576-9200 •wo " FF CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. ^_ CONSULTING ENGINEERS S^^S^^I WU WlSv^l 4455 MURRHr CANYON ROAD ASSOCIATES SUITE 200 SAN DIEGO, CA 92123 . (619)576-9200 FLOW PROCESS FROM NODE 8863.00 TO NODE 8450.00 IS CODE = 6 :»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA«<<<~~ — — — — — — UPSTREAM ELEVATION = 113.00 DOWNSTREAM ELEVATION = 108 80 STREET LENGTH(FEET) = 413.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL (DECIMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 - ^-"""^ . '^*^RA.VEULIME_CnMlLUTED_US.mGl.MEAN--ELOW-CCF-SX =-- 1 93 STREET FLOWDEPTH(FEET) = 0.31 HALFSTREET FLOODWIDTH(FEET) = 9.14 AVERAGE FLOW VELOCITY(FEET/SEC.) = 03 PRODUCT OF DEPTHSVELOCITY = 0.63 STREETFLOW TRAVELTIME(MIN) = 3.40 TC(MIN) = 14.95 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.451 SOIL CLASSIFICATION IS 'D' MULTI-UNITS DEVELOPMENT RUNOFF COEFFICIENT = .7000 SUBAREA AREA(ACRES) = 1.35 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 1.45 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.36 HALFSTREET.FLOODWIDTH(FEET) = 11 79 FLOW VELOCITY(FEET/SEC.) = 2.35 DEPTHAVELOCITY = 'o'85 3.26 3.55 i'"'" CITYOF CF^^SAD POUNTNEY i ASSOCIATES INC. ^p CONSULTING ENGINEERS W^^^Wi Wu WlBlH Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 FAUP/FPF^ AFF^PFT ^OAD POUNTNEY i ASSOCIATES INC. ^p CONSULTING ENGINEERS W^^^Wi Wu WlBlH Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •wo " FF CHK DATE //-3o^3/ POUNTNEY i ASSOCIATES INC. ^p CONSULTING ENGINEERS W^^^Wi Wu WlBlH Mf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3450.00 TO NODE 8450.00 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) = 14.95 RAINFALL INTENSITY (INCH./HOUR) = 3.45 TOTAL STREAM AREA (ACRES) = 1.45 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.55 ' CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 2.02 3.55 15.65 14.95 3.365 3.451 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 5.48 5.52 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: ,RUNOFF(CFS) = 5.52 TIME(MINUTES) = 14.948 TOTAL AREA(ACRES) = 2.05 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 8450.00 TO NODE 8450.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<«« »>.»USINQ USER-SPECIFIED PIPESIZE<<<« DEPTH OF FLOW IN IS.O INCH'PIPE IS 11.8 INCHES PIPEFLOW VELOCITYCFEET/SEC.)- UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = " FLOWLENGTHCFEET) = 38.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.14 = - 4.5 - 1.20 1.00 MANNINGS N = 0.013 18.00 NUMBER OF PIPES 5.52 TC(MIN.) = 15.09 END OF RATIONAL METHOD ANALYSIS t I'"''' CITYOF CF^S>£AD POUNTNEY i ASSOCIATES INC. flBl^Ml^Bf^M CONSULTING ENGINEERS ^T^S^^S WU WlWuSl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 m'^"^ FALO^A^ AFFi}Fr ^AO POUNTNEY i ASSOCIATES INC. flBl^Ml^Bf^M CONSULTING ENGINEERS ^T^S^^S WU WlWuSl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo mm CHK DATE //-3a-3? POUNTNEY i ASSOCIATES INC. flBl^Ml^Bf^M CONSULTING ENGINEERS ^T^S^^S WU WlWuSl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1981 HYDROLOGY MANUAL (C) Copyright 1982,1986 Advanced Engineering Software CAES] Especially prepared for: ". Symplif.ied Computer Aided Services 3900 BIRCH ST., SUITE 105,.NEWPORT BEACH CA., 92660 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<o>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> AAAAAAAAADESCRIPTION OF RESULXSAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAjkAAAAA'AAAA-A ; PAL0MAR5.RES .. . OCTOBER 6, 1987 - A " •"• • 'A' : . A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM-EVENT(YEAR) =--^100.00 - - SPECIFIED MINIMUM PIPE SIZE(INCH) =18.00 SPECIFIED PERCENT OF GRADlENTS(DECIMAL) TO USE FOR FRICTION SLOPE -RAINFALL-INTENSITY ADJUSTMENT-FACTOR.=1.000 NUMBER OF CTIME,INTENSITY] DATA PAIRS =11 ~^ 1 )" ^'~5V6oo"; ;.6:'98o: ^.,2 ) -^~ 7 .000; --5. 620 -- 3) 5= 10.000; 4:470_ = 0.90 4) -5) 6) 7) 30.060; 8) 40.000; 9) 50.000; 10) 60.000; 11) 120.000; 15.'000; :-3:440 '20.606; -2.860- 25.000; 12.470 2.200' 1.830 1.580 1.410 0.900 SAN DIEGO HYDROLOGY MANUAL 'C'-VALUES USED ;<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>> Advanced Engineering Software CAES] SERIAL No. K1702 VER. 3.3C RELEASE DATE: 2/20/86 I'"''' CITYOF CF^TZI^SAD POUNTNEY i. ASSOCIATES INC. ^Bi^^flil ^Blf fl!f ^Bf ^B^ CONSULTING ENGINEERS WT^B^^BI SU Wj9v^BI Wl 4455 MURPHY CANYON ROAD ASSOCIA TES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m"'^^' FAU)/F]Fh^ AF/^FT^/PfAD POUNTNEY i. ASSOCIATES INC. ^Bi^^flil ^Blf fl!f ^Bf ^B^ CONSULTING ENGINEERS WT^B^^BI SU Wj9v^BI Wl 4455 MURPHY CANYON ROAD ASSOCIA TES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •wo mm " FF CHK DATE //-3a-3/ POUNTNEY i. ASSOCIATES INC. ^Bi^^flil ^Blf fl!f ^Bf ^B^ CONSULTING ENGINEERS WT^B^^BI SU Wj9v^BI Wl 4455 MURPHY CANYON ROAD ASSOCIA TES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 1 I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA - FLOW PROCESS FROM NODE 10.00 TO NODE 11.00 IS CODE = 2 METHOD INITIAL SUBAREA ANALYS I3<- 1 AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION' WITH 10-MINUTES ADDED = 14.78(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 900.00 " UPSTREAM ELEVATION = 186.00 - DOWNSTREAM ELEVATION = 144.00 ELEVATION DIFFERENCE = 42.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.484 SUBAREA RUNOFF(CFS) = 48.93 TOTAL AREA(ACRES) = 16.52 TOTAL RUNOFF(CFS) = 48.93 I I I JtAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA H FLOW PROCESS FROM NODE 11.00 TO NODE 12.00 IS CODE = 5 I I I »'»>COMPUTE TRAPEZOIDAL-CHANNEL ^LO\ii<<F:<< >»»TRAVELTIME THRU SUBAREA<«« UPSTREAM NODE ELEVATION = 146.00 DOWNSTREAM NODE ELEVATION = 144.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 600.00 CHANNEL BASE(FEET) =... . 0.00 . . 'Z' FACTOR = 90.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 48.93 FLOW VELOCITY(FEET/SEC) ,= -_ L.06 .-. FLOW DEPTH(FEET) = 0.71 TRAVEL TIME(MIN.) = 9.40 TC(MIN.) = 24.18 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -FLOW PROCESS- FROM-NODF ' 12.00 TO NODE 12.00 IS CODE = 1 II '»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< I I I CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 24.18 RAINFALL INTENSITY (INCH./HOUR) = 2.53 TOTAL STREAM AREA (ACRES) = 16.52 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 48.93 1"''' CITYOF CF^^SAD POUNTNEY i ASSOCIATES INC. ap Mfi ^Bf ^Vf^V^ CONSULTING ENGINEERS S^WV^B 9U Wl^WltWI Wj 4455 MURPHY CANYON ROAD ASSOCIA TES SUITE 200 SAN DIECO, CA 92123 . (619)576-9200 m'^"^ FAU)^A^ AFF^FT ^aAO POUNTNEY i ASSOCIATES INC. ap Mfi ^Bf ^Vf^V^ CONSULTING ENGINEERS S^WV^B 9U Wl^WltWI Wj 4455 MURPHY CANYON ROAD ASSOCIA TES SUITE 200 SAN DIECO, CA 92123 . (619)576-9200 Bvo m-/)N J^F CHK DATE //-3a ^3/ POUNTNEY i ASSOCIATES INC. ap Mfi ^Bf ^Vf^V^ CONSULTING ENGINEERS S^WV^B 9U Wl^WltWI Wj 4455 MURPHY CANYON ROAD ASSOCIA TES SUITE 200 SAN DIECO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 13.00 TO NODE 12.00 IS CODE = 2 >>»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS^ AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 19.98(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 560.00 UPSTREAM ELEVATION = 2.50 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 1.50 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.863 SUBAREA RUNOFF(CFS) = . 38.79 TOTAL AREA(ACRES) = - 15.94 TOTAL RUNOFF(CFS) = 38.79 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 12.00 TO NODE 12.00 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) = 19.98 RAINFALL-INTENSITY (INCH./HOUR) = 2.86 TOTAL STREAM AREA (ACRES) = 15.94 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 38.79 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER- - (CFS) (MIND'^CTNCH/HOUR) 1 2 48.93 38.79 24.18 "19.98 2.534 2.863 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 83.26 82.09 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 83.26 TIME(MINUTES) = 24.184 TOTAL AREA(ACRES) = 32.46 I'""' CITYOF CF/ZLSGAD POUNTNEY S ASSOCIATES INC. ^Bl^fti^Bl ^Vl 9b^Ml ^Bf ^B^ CONSULTING ENGINEERS W^^B}WB^Bl WlWBIM/ Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m'^"^ FAUP/FF^ AF/^FT ^OAD POUNTNEY S ASSOCIATES INC. ^Bl^fti^Bl ^Vl 9b^Ml ^Bf ^B^ CONSULTING ENGINEERS W^^B}WB^Bl WlWBIM/ Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •wo m-o/4 " FF CHK OAre //-3a-3/ POUNTNEY S ASSOCIATES INC. ^Bl^fti^Bl ^Vl 9b^Ml ^Bf ^B^ CONSULTING ENGINEERS W^^B}WB^Bl WlWBIM/ Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 12.00 TO NODE 14.00 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 142.50 DOWNSTREAM NODE ELEVATION = 142.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 90.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 83.26 FLOW VELOCITY(FEET/SEC) = 0.67 FLOW DEPTH(FEET) = 1.17 TRAVEL TIME(MIN.) = 19.79 TC(MIN.) = 43.98 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA 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) = 43.98 RAINFALL INTENSITY (INCH./HOUR) = 1.73 TOTAL STREAM AREA (ACRES) = 32.46 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 83.26 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW.PROCESS FROM NODE 15.00 TO NODE 14.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS«<« AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 _^ NATURAL WATERSHED NOMOGRAPH-TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.40(MINUTES) - INITIAL SUBAREA FLOW-LENGTH(FEET) = 850.00 UPSTREAM ELEVATION = 186.00 DOWNSTREAM ELEVATION = 142.00 ELEVATION DIFFERENCE = 44.00 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.564 SUBAREA RUNOFF(CFS) = 86.30 TOTAL AREA(ACRES) = 28.49 TOTAL RUNOFF(CFS) = 86.30 t"''' CITYOF CF/ZI^GAD °'/^0 POUNTNEY i ASSOCIATES INC. •Bt^ft m 9b^Mi ^Mt9Ff CONSULTING ENGINEERS S'WBIWV9U WlWmlMf Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 'm''"^ FAUP^FF AFF^^FT /^AO POUNTNEY i ASSOCIATES INC. •Bt^ft m 9b^Mi ^Mt9Ff CONSULTING ENGINEERS S'WBIWV9U WlWmlMf Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo mm " FF CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. •Bt^ft m 9b^Mi ^Mt9Ff CONSULTING ENGINEERS S'WBIWV9U WlWmlMf Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 1 I I I I I I I I I I ii il I I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA 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 2 ARE:. TIME OF CONCENTRATION(MINUTES) = 14.40 RAINFALL INTENSITY (INCH./HOUR) = 3.56 TOTAL STREAM AREA (ACRES) = 28.49 _ ' . TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 86.30 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.)(INCH/HOUR) 1 83.26 86.30 43.98 14.40 1.731. 3.564 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 125.16 126.73 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 126.73 TIME(MINUTES) = 14.399 TOTAL AREA(ACRES) = 60.95 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 14.00 TO NODE 16.00 IS CODE = 5 »»>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<«« »>>>TRAVELTIME THRU SUBAREA<<'<'<< UPSTREAM NODE ELEVATION ^ -142.00-- -. - DOWNSTREAM NODE ELEVATION = 139.00 CHANNEL""LENGTH THRU''SUBAREA(FEET)'="' 550.00 CHANNEL BASE(FEET) =-.- — 0.00 "Z" FACTOR = 90.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 126.73 FLOW VELOCITY(FEET/SEC) = 1.66 FLOW DEPTH(FEET) = 0.92 TRAVEL TIME(MIN.) = 5.53 TC(MIN.) = 19.93 I'""" CITYOF CF^/ZI^SAD °' &/ POUNTNEY i ASSOCIATES INC. ^Bl^ftiMTf ^Vf 9b^Vf ^Bf CONSULTING ENGINEERS S'^^SI9uWl9VSl^a 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 • "''"^ FAUP/FPF^ AFF^FT ^/:)AD POUNTNEY i ASSOCIATES INC. ^Bl^ftiMTf ^Vf 9b^Vf ^Bf CONSULTING ENGINEERS S'^^SI9uWl9VSl^a 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 Iwo mm CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. ^Bl^ftiMTf ^Vf 9b^Vf ^Bf CONSULTING ENGINEERS S'^^SI9uWl9VSl^a 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 [ t I I r '^7";A7i:7^A7^AnAA7^«7<;757<;;»::i^A7^A«AAAAA«:^A7^7<;:>>:7^J^7^:'^AAAAAAAA A AAAAAA AAA A AAAAAAAAAAA A AA7^?:«/\/x,, FLOW PROCESS FROM NODE 16.00 TO NODE 16.00 IS CODE = 1 >>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.93 RAINFALL INTENSITY (INCH./HOUR) = 2.87 TOTAL STREAM AREA (ACRES) = 60.95 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 126.73 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 17.00 TO NODE 16.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12 . 73(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 550.00 UPSTREAM ELEVATION = 180.00 DOWNSTREAM ELEVATION = 139.00 . ELEVATION DIFFERENCE . =_ .. .41.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.907 SUBAREA RUNOFF(CFS) = 62.06 TOTAL AREA(ACRES) = 18.69 TOTAL RUNOFF(CFS) = 62.06 I I I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 16.00 TO NODE 16.00 IS CODE = 1 I »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE«<« »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES«<«: CONFLUENCE VALUES.USED^FOR. INDEPENDENT.STREAM 2 ARE: rl TIME OF CONCENTRATION(MINUTES) = 12.73 RAINFALL INTENSITY-CINCH':VHOUR)'=- 3.91 lOTAL^STREAM.AREA (ACRES). =;'„-18.69 ' TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 62.06 il I I I t CONFLUENCE.INFORMATION:. STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 126.73 19.93 2.868 2 62.06 12.73 3.907 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 172.29 155.10 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 172.29 TIME(M INUTES) = 19.932 TOTAL AREA(ACRES) = 79.64 I"""' CITYOF CF/ZL^SAD POUNTNEY & ASSOCIATES INC. ^Bi^A JBi ^BFf BBf ^Bi^B^ CONSULTING ENGINEERS BP^B^^JtBU Wl BHSI 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 m''"^ FAUP/FPFh^ AFAipFr ^/PIAD POUNTNEY & ASSOCIATES INC. ^Bi^A JBi ^BFf BBf ^Bi^B^ CONSULTING ENGINEERS BP^B^^JtBU Wl BHSI 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 •vo mm CHK OAre //-3a-3/ POUNTNEY & ASSOCIATES INC. ^Bi^A JBi ^BFf BBf ^Bi^B^ CONSULTING ENGINEERS BP^B^^JtBU Wl BHSI 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 16.00 TO NODE 18.00 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<- >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 139.00 DOWNSTREAM NODE ELEVATION = 130.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET) = 0.00 'Z" FACTOR = 90.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 172.29 FLOW VELOCITY(FEET/SEC) = 2.59 FLOW DEPTH(FEET) = TRAVEL TIME(MIN.) = 3.54 ' TC(MIN.) = 23.47 0.86 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 18.00 TO NODE 18.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE«<<< 1 ARE: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 23.47 RAINFALL INTENSITY (INCH./HOUR) = 2.59 TOTAL STREAM AREA (ACRES) = 79.64 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 172.29 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 19.00 TO NODE 18.00 IS CODE = 2 »»>RATIONAL METHOD-INITIAL SUBAREA ANALYSIS««< AUSER SPECIF"IED(SUBAREA) : . ... I INDUSTRIAL DEVELOPMENT-RUNOFF COEFFICIENT = .8500 NATURAL^WATERSHED/NOMOGRAPH ,TIME OF CONCENTRATION. WITH 10-MINUTES ADDED = 14.66(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 900.00 UPSTREAM. ELEVATION = - 175.00 DOWNSTREAM ELEVATION = 130.00 ELEVATION DIFFERENCE = 45.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.510 SUBAREA RUNOFF(CFS) = 53.11 TOTAL AREA(ACRES) = 17.80 TOTAL RUNOFF(CFS) = [ _ A 53.11 CITYOF CF^FISGAD POUNTNEY s ASSOCIATES INC. IBt^A MWl ^Vf 9b^Bi^B^ CONSULTING ENGINEERS I^WBISI9U WfmBIBtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 k'"^ FALO/F/Fh^ AFFi/Fr ^/PAD POUNTNEY s ASSOCIATES INC. IBt^A MWl ^Vf 9b^Bi^B^ CONSULTING ENGINEERS I^WBISI9U WfmBIBtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 B>wo r m-014 " /fF CHK DATE //-3a-3/ POUNTNEY s ASSOCIATES INC. IBt^A MWl ^Vf 9b^Bi^B^ CONSULTING ENGINEERS I^WBISI9U WfmBIBtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 18.00 TO NODE 18.00 IS CODE = 1 I I I I I I I i I 4 I f i I I I >>>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.66 RAINFALL INTENSITY (INCH./HOUR) = 3.51 TOTAL STREAM AREA (ACRES) = 17.80 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 53.11 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY . NUMBER (CFS) (MIN.) (INCH/HOUR) 172.29 53.11 23.47 14.66 2.589 3.510 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 211.47 180.21 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 211.47 - TIME(MINUTES) = 23.468 TOTAL AREA(ACRES) = 97.44 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE " 18.00 TO NODE 20.00 IS CODE = 5 >>>»COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< »>»TRAVELTIME THRU SUBAREA<:<:«< UPSTREAM NODE ELEVATION = * 130.00 _ DOWNSTREAM NODE ELEVATION^"^~"^''120:O6 CHANNEL LENGTH-THRU SUBAREA(FEET) = • 800.00 CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 10.000 MANNINGS FACTOR = 0.040' MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 211.47 FLOW VELOCITY(FEET/SEC) = 4.34 FLOW DEPTH(FEET) = 2.21 TRAVEL TIME(MIN.) = 3.07 TC(MIN.) = 26.54 W"'''CITYOF CF/ZL^SAD ''^4 POUNTNEY i ASSOCIATES INC. ^••^M, CONSULTING ENGINEERS BT^B^SI9uBu9UBBIWl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 FYkJP^/^ AFF^^FT /^/PAO POUNTNEY i ASSOCIATES INC. ^••^M, CONSULTING ENGINEERS BT^B^SI9uBu9UBBIWl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •wo • mm CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. ^••^M, CONSULTING ENGINEERS BT^B^SI9uBu9UBBIWl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 20.00 TO NODE 20.00 IS CODE = 1 ^•DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES> = 26,54 RAINFALL INTENSITY (INCH./HOUR) = 2.39 TOTAL STREAM AREA (ACRES) = 97.44 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 211.47 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 21.00 TO NODE 20.00 IS CODE = 2 »»>RATIONAL - METHOD INITIAL SUBAREA ANALYSIS««< AUSER SPECIFIED(SUBAREA) : INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 15.01(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION - 171.00 DOWNSTREAM ELEVATION = 120.00 ELEVATION DIFFERENCE = 51.00 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.438 SUBAREA RUNOFF(CFS) = . 64.41 TOTAL AREA(ACRES) = 22.04 TOTAL RUNOFF(CFS) = 64.41 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE "20.00 TO NODE 20.00 IS CODE = 1 >»»DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE««< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15^.01 RAINFALL.INTENSITY,(INCH./HOUR),= 3.44 TOTAL STREAM AREA (ACRES) = 22.04 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 64.41 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 211.47 26.54 2.387 2 64.41 15.01 3.438 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 256.18 211.21 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 256.18 T IME(MINUTES) = 26.540 TOTAL AREA(ACRES) = 119.48 I'""" CITYOF CFTZL^SAD °' 0^ POUNTNEY ASSOCIATES INC. ^^\W^\Wli WWi 9b^BlWK/ CONSULTING ENGINEERS S^^B^SI WtlWl 9U 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 w''"^ F/k^^A^ AFFiPFr ^/PAO POUNTNEY ASSOCIATES INC. ^^\W^\Wli WWi 9b^BlWK/ CONSULTING ENGINEERS S^^B^SI WtlWl 9U 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo mm " /^F CHK DATE //-3a'3/ POUNTNEY ASSOCIATES INC. ^^\W^\Wli WWi 9b^BlWK/ CONSULTING ENGINEERS S^^B^SI WtlWl 9U 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 1 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 20.00 TO NODE 22.00 IS CODE = >>:>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 120.00 DOWNSTREAM NODE ELEVATION = 85.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 750.00 CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 2.000 MANNINGS FACTOR =0.040 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 256.18 FLOW .VELOCITY(FEET/SEC) =10.74 FLOW DEPTH(FEET) = 3.45 TRAVEL TIME(MIN.) = 1.16 TC(MIN.) = 27.70 ^AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 22.00 TO NODE 22.00 IS CODE = 1 -1 _ ?r2_>. >;LD..E S J.G N.A.TJ._ J NJ:LE P E N.D E NT _S TR EA M.. F 0.R _C 0 N F LU EN C E <<.<<< I I I I -CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.70 RAINFALL INTENSITY (INCH./HOUR) = 2.32 -TOTAL STREAM AREA (ACRES) =.119.48 TOTAL STREAM RUNOFF(CFS) .AT..CONFLUENCE = 256.18 il I I rAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 23.00 TO NODE 22.00 IS CODE = 2 ^AUSER-SPECIFIED(SUBAREAr:-^-^^--^-' '-—^^^^ ' ~" ~~ ' INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT.: = .8800 I NATURAL^.W'ATERSHED NOMOGRAPH TIME OF CONCENTRATION - ^ WITH-10-MINUTES 'ADDED' = ' 14.08(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 I UPSTREAM ELEVATION = 172.00 DOWNSTREAM ELEVATION = 85.00 ELEVATION DIFFERENCE = 87.00 I IOO YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.629 SUBAREA RUNOFF(CFS) = 51.42 TOTAL AREA(ACRES) = 16.10 TOTAL RUNOFF(CFS) = 51.42 I I'"''' CITYOF CF^^SAD POUNTNEY i ASSOCIATES INC. M)^ft\^B/ ^Vl 9b^Vl ^BlM^ CONSULTING ENGINEERS S'^RSi9U WfmBIWtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 , (619)576.9200 m'^"" FAOPMA^ AFFi!PFr ^tPAD POUNTNEY i ASSOCIATES INC. M)^ft\^B/ ^Vl 9b^Vl ^BlM^ CONSULTING ENGINEERS S'^RSi9U WfmBIWtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 , (619)576.9200 •wo •a>^i-o/4 " /fF CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. M)^ft\^B/ ^Vl 9b^Vl ^BlM^ CONSULTING ENGINEERS S'^RSi9U WfmBIWtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 , (619)576.9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 22.00 TO NODE 22.00 IS CODE = 1 >>>>;:-DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<< >V<- >»>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES«<« CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.08 RAINFALL INTENSITY (INCH./HOUR) = 3.63 TOTAL STREAM-AREA (ACRES) = 16.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 51.42 CONFLUENCE INFORMATION:. - STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 256.18 51.42 27.70 14.08 2.324 3.629 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 289.11 215.48 - COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 289.11 TIME(MINUTES) = 27.703 TOTAL AREA(ACRES) =- - 135.58 END OF RATIONAL METHOD ANALYSIS t'""' CITYOF CFTZL^SAD °'6'7 POUNTNEY ASSOCIATES INC. M)^ft ^V/ ^V/ 9b^Vf ^Bf CONSULTING ENGINEERS S'^SSJ9U WlWBlMil Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m"''"^ FACO/FP/hF AFF^FT^FiAD POUNTNEY ASSOCIATES INC. M)^ft ^V/ ^V/ 9b^Vf ^Bf CONSULTING ENGINEERS S'^SSJ9U WlWBlMil Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •wo •an/!/-! " /?F CHK DATE //-3a-3/ POUNTNEY ASSOCIATES INC. M)^ft ^V/ ^V/ 9b^Vf ^Bf CONSULTING ENGINEERS S'^SSJ9U WlWBlMil Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 I I I i I i I RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1981 HYDROLOGY MANUAL (C) Copyright 1982,1986 Advanced Engineering Software. CAES] . Especially.prepared for: •F '::- r.:.:.-^:-'.l •••• ^ . :-.:r -; ..." - F:J.\ • ; • •-. > ^ . -S^ Computer Aided Services - 3900 BIRCH ST., SUITE 105, NEWPORT BEACH CA., 92660 <<<<.<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>^ AAAAAAAAAADESCRIPTION OF RESULTSAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA PAL0MAR6.RES - • OCTOBER 6, 1987 - A I' : • AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA it t E r I I I I USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED-STORM EVENKYEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADlENTS(DECIMAL) TO USE FOR FRICTION SLOPE = 0.90 RAINFALL-INTENSITY ADJUSTMENT FACTOR-= 1.000 NUMBER OE C T IME , INTENS ITY ]_DATA PAI^RS = 11 ri)^, " 5.006V 6^980 ' " ' - ... ~2)^^-^^7-.000; ^5 . 620--'-^^—'~^:F..~...^-^^.^.^.^^.. :...^.. „. v.-. , .„ , •^3)i^l0;000;:- -4-i470'--'5'-^':':^- • • • • -. •- ni-)-ni 5ro o"©!^-3 -20 . 000 ;-i--2 r860- 25.000; '^2.470 • :.. 5 ) 6) ' 7) 8) 9) 10) 11) SAN 30.000; - 40.000; 50.000; 60.000; 120.000; 2 1. 1, 1. 0, 200 830 ,580 410 900 DIEGO HYDROLOGY MANUAL "C'-VALUES USED Advanced Engineering Software CAES] SERIAL No. K1702 VER. 3.3C RELEASE DATE: 2/20/86 <<<<<<<<<<<<<< ............ 1""' CITYOF CF^TZI^SAD °'&3 POUNTNEY ASSOCIATES INC. tWi^^MWl ^0/ 9b^Ml ^BlM^ CONSULTING ENGINEERS S'WBfSI WU Wl^BIWtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m''''' FALO^FF AFFt^Fr /^/PAO POUNTNEY ASSOCIATES INC. tWi^^MWl ^0/ 9b^Ml ^BlM^ CONSULTING ENGINEERS S'WBfSI WU Wl^BIWtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •vo mm ^F CHK DATE //-3a-3/ POUNTNEY ASSOCIATES INC. tWi^^MWl ^0/ 9b^Ml ^BlM^ CONSULTING ENGINEERS S'WBfSI WU Wl^BIWtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 30.00 TO NODE 31.00 IS CODE = 2 >»>>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<« AUSER SPECIFIEDCSUBAREA): _I.N DU.S T R IA L.. DE V E L 0 P M.E N T_ RUNOFF COEFFICIENT.= .9100 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.08(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 800.00 UPSTREAM ELEVATION = 167.50 DOWNSTREAM ELEVATION = 75.00 ELEVATION DIFFERENCE = 92.50 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.835 SUBAREA RUNOFF(CFS) = 18.15 TOTAL AREA(ACRES) = 5.20 TOTAL RUNOFF(CFS) = 18.15 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 40.00 TO NODE 41.00 IS CODE = 2 >»»RATIONAL METHOD INITIAL SUBAREA ANALYSIS«<« AUSER SPECIFIED(SUBAREA): - INDUSTRIAL .DEVELOPMENT RUNOFF COEFFICIENT = .9100 NATURAL WATERSHED NOMOGRAPH"TIME OF CONCENTRATION WITH 10-MINUTES-ADDED = 12.72(MINUTES) INITIAL SUB.AREA_FLOW-LENQTH(FEET) = 730.00 UPSTREAM ELEVATION = 167.50 DOWNSTREAM ELEVATION = 70.00 ELEVATION DIFFERENCE = 97.50 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.910 SUBAREA RUNOFF(CFS) = 18.50 TOTAL AREA(ACRES) = 5.20 TOTAL RUNOFF(CFS) = 18.50 t'"''' CITYOF CFTZLSSAD POUNTNEY i ASSOCIATES INC. ^Bk^A JBIr ^Vf 9b^B CONSULTING ENGINEERS S'^BSIBKIIBWUSIBu 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m''''''' FALO^FJF^ AF/^FT^£}AD POUNTNEY i ASSOCIATES INC. ^Bk^A JBIr ^Vf 9b^B CONSULTING ENGINEERS S'^BSIBKIIBWUSIBu 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •wo m'/iH CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. ^Bk^A JBIr ^Vf 9b^B CONSULTING ENGINEERS S'^BSIBKIIBWUSIBu 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 I I I I I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 50.00 TO NODE 51.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< AUSER SPECIFIED(SUBAREA) : INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11 . 69(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 400.00 UPSTREAM ELEVATION = 130.00 DOWNSTREAM ELEVATION = 75.00 ELEVATION DIFFERENCE = 55.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.122 SUBAREA RUNOFF(CFS) =: - 7.44 - TOTAL AREA(ACRES) = " 1.90 TOTAL RUNOFF(CFS) = 7.44 AAAA AAAA A AAAAAAArAA AAAAAAA AAAAAAAAAAA AAAAA AAA AAAAA AAAAAA A AAAAAAAAAA A AAAA AAAA A 1^ FLOW PROCESS FROM NODE 51.00 TO NODE 5375.00 IS CODE = 4 I I II I >>»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA^ >'.>>>>USING USER-SPECIFIED P IPES IZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.3 UPSTREAM NODE ELEVATION = 12.50 DOWNSTREAM NODE ELEVATION =1.00 FLOWLENGTH(FEET) = 183.00 MANNINGS N = 0.013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 7.44 TRAVEL TIME(MIN.) = 0.25... TC(MIN.) = 11.94 .^AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA ' FLOW PROCESS FROM NODE 60.00 TO NODE 61.00 IS CODE = 2 It' »»>RATIONAL METHOD IN IT lAL SUBAREA ANALYS IS««< II I I ! AUSER SPECIFIED(SUBAREA): ' INDUSTRIAL DEVELOPMENT,, RUNOFF COEFFICIENT = .8000 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 15.77(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 840.00 UPSTREAM ELEVATION = 22.00 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 21.00 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.351 SUBAREA RUNOFF(CFS) = 40.85 TOTAL AREA(ACRES) = 15.24 TOTAL RUNOFF(CFS) = 40.85 t"''' CITYOF CFTZL^SAD POUNTNEY i ASSOCIATES INC. ^Bi^A I^Ml ^Vf 9b^Bf ^B^ CONSULTING ENGINEERS S^^B^SI9B Wl ^BlBml Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 m''"^ FALO/F]F^ AFF^^FT ^/PAO POUNTNEY i ASSOCIATES INC. ^Bi^A I^Ml ^Vf 9b^Bf ^B^ CONSULTING ENGINEERS S^^B^SI9B Wl ^BlBml Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •^o m-/iN /^F CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. ^Bi^A I^Ml ^Vf 9b^Bf ^B^ CONSULTING ENGINEERS S^^B^SI9B Wl ^BlBml Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 IAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 61.00 TO NODE 62.00 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOU<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 182,00 DOWNSTREAM NODE ELEVATION = 178.50 CHANNEL LENGTH THRU SUBAREA(FEET) = 900.00 CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 90.000 - MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 40.85 FLOW VELOCITY(FEET/SEC) = -1.11 -FLOW DEPTH(FEET) = 0.64 TRAVEL TIME(MIN.) = 13.56 • TC(MIN.) = 29.33 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 62.00 TO NODE 62.00 IS CODE =1 >»>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<«< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 29.33 RAINFALL INTENSITY (INCH./HOUR) = 2.24 TOTAL STREAM AREA (ACRES) = 15.24 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 40.85 AAAAAAA^AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 63.00 TO NODE 62.00 IS CODE = 2 »»>RATIONAL METHOD -INITIAL SUBAREA ANALYSIS«<« AUSER SPECIFIED(SUBAREA): . INDUSTRIAL DEVELOPMENT-RUNOFF COEFFICIENT = ".8500 ...JNATURAL. WATERSHED, NOMOGRAPH. T IME OF CONCENTRAT ION WITH 10-MINUTES ADDED = 14.53(MINUTES) -INITIAL'SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION =... 245.00 . DOWNSTREAM ELEVATION = 178.50 ELEVATION DIFFERENCE = 66.50 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.537 SUBAREA RUNOFF(CFS) = 89.90 TOTAL AREA(ACRES) = 29.90 TOTAL RUNOFF(CFS) = 89.90 t"'"' CITYOF CF^^GAD °'7I POUNTNEY i ASSOCIATES INC. BBi^A ^B| Mil 9b ^Vf ^Bf ^B^ CONSULTING ENGINEERS S^^B^^Sl WU Wl^BI^B/ Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 m'^"^ FAUP/FPAh^ AFFi)Fr ^/:)AD POUNTNEY i ASSOCIATES INC. BBi^A ^B| Mil 9b ^Vf ^Bf ^B^ CONSULTING ENGINEERS S^^B^^Sl WU Wl^BI^B/ Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 •wo mm J^F CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. BBi^A ^B| Mil 9b ^Vf ^Bf ^B^ CONSULTING ENGINEERS S^^B^^Sl WU Wl^BI^B/ Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 62.00 TO NODE 62.00 IS CODE = 1 :>>>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED.STREAM VALUES<<<. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.53 RAINFALL INTENSITY (INCH./HOUR) = 3.54 TOTAL STREAM AREA (ACRES) = 29.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 89.90 CONFLUENCE INFORMATION: STREAM RUNOFF .TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 40.85 89.90 29.33 14.53 2 • 2 3 iS 3.537 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 97.68 115.73 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 115.73 T IME(MINUTES) = TOTAL AREA(ACRES) = 45.14 14.528 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE .62.00 TO NODE 64.00 IS CODE = 5 »»>COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< »»>TRAVELTIME THRU SUBAREA««< -UPSTREAM NODE ELEVATION = 178.50 DOWNSTREAM_NODE ELEVATION =_ 168.00 CHANNEL "LENGTH THRU SUBAREA (FEET) = 900.00 CHANNEL BASE(FEET)= 0.00 - 'Z* FACTOR = 20.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 115.73 FLOW VELOCITY(FEET/SEC) = 3.19 FLOW DEPTH(FEET) = 1.35 TRAVEL TIME(MIN.) = 4.71 TC(MIN.) = 19.24 t"''' CITYOF CF/ZLSSAD POUNTNEY s. ASSOCIATES INC. BBk^^^Bf ^Ki9b^^i ^Bi^B^ CONSULTING ENGINEERS S^^RSJWU WTISIWKI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 , (619)576-9200 m'''' FALO/F)F^ AFF^FT ^/PIAD POUNTNEY s. ASSOCIATES INC. BBk^^^Bf ^Ki9b^^i ^Bi^B^ CONSULTING ENGINEERS S^^RSJWU WTISIWKI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 , (619)576-9200 Bwo mm /^F CHK DATE //-30-3/ POUNTNEY s. ASSOCIATES INC. BBk^^^Bf ^Ki9b^^i ^Bi^B^ CONSULTING ENGINEERS S^^RSJWU WTISIWKI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 , (619)576-9200 I I I I i t I I I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 64.00 TO NODE 64.00 IS CODE = 1 ^•DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.24 RAINFALL INTENSITY (INCH./HOUR) = 2.95 TOTAL STREAM AREA (ACRES) = 45.14 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 115.73 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 65.00 TO NODE 64.00 IS CODE = 2 >';>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< AUSER SPECIFIED(SUBAREA) : INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 NATURAL WATERSHED NOMOGRAPH TIME.OF CONCENTRATION WITH 10-MINUTES ADDED = 13.90(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION = 266.00 DOWNSTREAM ELEVATION = 168.00 ELEVATION DIFFERENCE = 98.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.667 SUBAREA RUNOFF(CFS) = 84.93 TOTAL AREA(ACRES) = 27.25 TOTAL RUNOFF(CFS) .=. . . 84.93 . AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 64.00 TO NODE 64.00 IS CODE = 1 I I »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««'< >»»AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<:< CONFLUENCE VALUES USED, FOR.,INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.90 i 1 RAINFALL^INTENSITY -(INCH"./HOUR) =" 3.67 I TOTAL-STREAM AREA (ACRES)..= . 27.25 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 84.93 I I I I CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 115.73 19.24 2.949 2 84.93 13.90 3.667 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 184.02 177.99 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 184.02 T IME(MINUTES) = 19.236 TOTAL AREA(ACRES) = 72.39 i'''' CITYOF CF/Z/^^GAD POUNTNEY S. ASSOCIATES INC. iBl^A\Mb 9ii9b^Mi ^BflB^ CONSULTING ENGINEERS BP^bWB ^Bl Wl^BIWtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 w'^"^ FAUP^FF AF/^FT/^AO POUNTNEY S. ASSOCIATES INC. iBl^A\Mb 9ii9b^Mi ^BflB^ CONSULTING ENGINEERS BP^bWB ^Bl Wl^BIWtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 ^o mm J^F CHK DATE //-3a-3/ POUNTNEY S. ASSOCIATES INC. iBl^A\Mb 9ii9b^Mi ^BflB^ CONSULTING ENGINEERS BP^bWB ^Bl Wl^BIWtl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 64.00 TO NODE 66.00 IS CODE = Z >>>>:::COMPUTE TRAPEZOIDAL-CHANNEL FLOU<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 168.00 DOWNSTREAM NODE ELEVATION = 125.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 900.00 CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 10.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 184.02 FLOW VELOCITYCFEET/SEC) = 7.00 - FLOW D£PTH(FEET) = 1.62 TRAVEL TIME(MIN.) = 2.14 TC(MIN.) = 21.38 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA^AAAAAA FLOW PROCESS FROM NODE " 66.00 TO NODE 66.00.IS CODE = 1 >>>»DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<'<<<' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.38 RAINFALL INTENSITY (INCH./HOUR) = 2.75 TOTAL STREAM AREA (ACRES) = 72.39 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 184.02 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE .-..67.00 TO NODE 66.00 IS CODE = 2 >>»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<«« AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT'RUNOFF COEFFICIENT-=-.8500 ~ ,w NATURAL. WATERSHEIL NOMOQRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.45(MINUTES ) ~ INITIAL SUBAREA~FLOW-LENGTHCFEET)= 1000.00 UPSTREAM ELEVATION,= 260.00 DOWNSTREAM ELEVATION = 125.00 ELEVATION DIFFERENCE = 135.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.760 SUBAREA RUNOFF(CFS) = 85.84 TOTAL AREA(ACRES) = 26.86 TOTAL RUNOFF(CFS) = 85.84 CITYOF CF^^GAD °'74 POUNTNEY i ASSOCIATES INC M)^B\ M) ^Ki 9b ^Wl ^Vf M^ CONSULTING ENGINEERS ^'WBf^l 9U Wl^BIBI Wf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 • FAU)^/^ AFFiPFr ^^AD POUNTNEY i ASSOCIATES INC M)^B\ M) ^Ki 9b ^Wl ^Vf M^ CONSULTING ENGINEERS ^'WBf^l 9U Wl^BIBI Wf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 "wo " /?F CHK DATE //-3a-3? POUNTNEY i ASSOCIATES INC M)^B\ M) ^Ki 9b ^Wl ^Vf M^ CONSULTING ENGINEERS ^'WBf^l 9U Wl^BIBI Wf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 II I I I I I I I I I I LAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 66.00 TO NODE 66.00 IS CODE = 1 >>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<>v •>::>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES^ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.45 RAINFALL INTENSITY (INCH./HOUR) = 3.76 TOTAL STREAM AREA (ACRES) = 26.86 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 85.84 CONFLUENCE INFORMATION: .. STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 184.02 85.84 21.38 13.45 2.753 3.760 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 246.87 220.56 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 246.87 TIME(MINUTES) = 21.378 TOTAL AREA(ACRES) = 99.25 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 66.00 TO NODE 68.00 IS CODE = >'»»COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< »»>TRAVELTIME THRU SUBAREA<«« UPSTREAM NODE ELEVATION = '• DOWNSTREAM NODE ELEVATION '= 85.00 •CHANNEL—LENGTH-THRU-SUBAREA(EEET) = 900.00 • - t CHANNEL BASE(FEET) =_.0.00 'Z' FACTOR = 2.000 MANNINGS FACTOR = 6.040 M^^^^ DEPTH(FEET) = 8.00 -CHANNEL—FLOW-THRU^SUBAREACCFS)-= -246.87 r FLOW,^VELOCITY(FEET/SEC)„.= 10.35 FLOW DEPTH(FEET) = 3.45 TRAVEL riME(MIN.) =• 1.45 TC(MIN.) = 22.83 I I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 68.00 TO NODE 68.00 IS CODE = 1 >>>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.83 RAINFALL INTENSITY (INCH./HOUR) = 2.64 TOTAL STREAM AREA (ACRES) = 99.25 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 246.87 t"''' CITYOF CFTZI^SAD "75 POUNTNEY S. ASSOCIATES INC. flBl^At^V/ ^Wi9bWKi ^BlM^ CONSULTING ENGINEERS BP^B^^BISU Wl WtlBu 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 POUNTNEY S. ASSOCIATES INC. flBl^At^V/ ^Wi9bWKi ^BlM^ CONSULTING ENGINEERS BP^B^^BISU Wl WtlBu 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 ""m-oi-i ^F CHK OAre //-3a'3/ POUNTNEY S. ASSOCIATES INC. flBl^At^V/ ^Wi9bWKi ^BlM^ CONSULTING ENGINEERS BP^B^^BISU Wl WtlBu 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 69.00 TO NODE 68.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9000 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.55(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION = 210.00 DOWNSTREAM ELEVATION = 85.00 ELEVATION DIFFERENCE = 125.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.739 SUBAREA RUNOFF(CFS) = 59.15 TOTAL AREA(ACRES) = 17.58 TOTAL RUNOFF(CFS) = i9.i: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 68.00 TO NODE 68.00 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) = 13.55 -RAINFALL INTENSITY (INCH./HOUR) = 3.74 TOTAL STREAM AREA (ACRES) = . 17.58 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 59.15 ^CONFLUENCE INFORMATION:,-. _ STREAM RUNOFF TIME •-NUMBER (CFS)'" CMIN.) 246.87 59.15 INTENSITY CINCH/HOUR) 1 2" 22.83 13.55 2.640 3.739 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 288.63 233.45 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 288.63 TIME(M INUTES) = 22.827 TOTAL AREA(ACRES) = 116.83 • CITYOF C/^/ZL^SAD POUNTNEY i ASSOCIATES INC. ^Bi^A ^Hr^Mr^Kr^Vf ^Vf^B^ CONSULTING ENGINEERS BLT^B^^BISUBUSU^BI^B^ 4453 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 k'"^ FAUP/FPF^ AF/^FT /^AO POUNTNEY i ASSOCIATES INC. ^Bi^A ^Hr^Mr^Kr^Vf ^Vf^B^ CONSULTING ENGINEERS BLT^B^^BISUBUSU^BI^B^ 4453 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •PWO r mm " FF CHK DATE //-3a-3? POUNTNEY i ASSOCIATES INC. ^Bi^A ^Hr^Mr^Kr^Vf ^Vf^B^ CONSULTING ENGINEERS BLT^B^^BISUBUSU^BI^B^ 4453 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 68.00 TO NODE 70.00 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 85.00 DOWNSTREAM NODE ELEVATION = 65.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700,00 CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 288.63 FLOW VELOCITY(FEET/SEC) = 9.23 FLOW DEPTH(FEET) = TRAVEL TIME(MIN.) = 1.26 TC(MIN.) = 24.09 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 70.00 TO NODE 70.00"IS'CODE = 1 »>:»DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE«<<< »>'»AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««<' CONFLUENCE VALUES_yS_ED_F_0_R_IND_E_PENJiENT_SXREAM 2 AREJ TIME OF CONCENTRATION(MINUTES) = 24.09 RAINFALL INTENSITY (INCH./HOUR) = 2.54 TOTAL STREAM AREA (ACRES) = 116.83 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 288.63 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 ... 2 246.87 288.63 22.83 24.09 2.64 0 2.541 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: ' 524.72* '526.28 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 526.28 TIME(MINUTES) = 24.090 TOTAL AREA(ACRES) = 216.08 f""' CITYOF CF/ZI^SAD °'7P POUNTNEY S. ASSOCIATES INC. ^Bt^A 9ll 9b ^Bf ^B^ CONSULTING ENGINEERS ^^WB^B^M WfBBIBIWf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 Z"''"^ FALO/FAhF AFF^FT /^/PAO POUNTNEY S. ASSOCIATES INC. ^Bt^A 9ll 9b ^Bf ^B^ CONSULTING ENGINEERS ^^WB^B^M WfBBIBIWf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo • mm /?F CHK DATE //-3a-3/ POUNTNEY S. ASSOCIATES INC. ^Bt^A 9ll 9b ^Bf ^B^ CONSULTING ENGINEERS ^^WB^B^M WfBBIBIWf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 71.00 TO NODE 70.00 IS CODE = 2 •RATIONAL METHOD INITIAL SUBAREA ANALYSIS<< AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9000 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.01(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION = 156.00 DOWNSTREAM ELEVATION = 65.00 ELEVATION DIFFERENCE = 91.00 .100 YEAR RAINFALL .INTENSITY( INCH/HOUR) = 3.643 SUBAREA RUNOFF(CFS) = .33.05 TOTAL AREA(ACRES) = 10.08 TOTAL RUNOFF(CFS) = 33.05 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 70.00 TO NODE 70.00 IS CODE = 1 >>».>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >»>'>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<«< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.01 RAINFALL INTENSITY (INCH./HOUR) = 3.64 TOTAL STREAM AREA (ACRES) = 10.08 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 33.05 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 2 246.87 33.05 22.83 14.01 2.640 3.643 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF-VALUES ARE AS FOLLOWS: .270.81, .211.90 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 270.81 TIME(MINUTES) = 22.827 TOTAL AREA(ACRES) = 109.33 W""" CITYOF CFTZL^SAD °'13 POUNTNEY s. ASSOCIATES INC. IBi^Ax^Bf 4B!f ^Bf ^B^ CONSULTING ENGINEERS BP^^B^^I tU WfBBI^Bl 1^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m'''^''' FAUP^AF AFFSPFT ^/:)A0 POUNTNEY s. ASSOCIATES INC. IBi^Ax^Bf 4B!f ^Bf ^B^ CONSULTING ENGINEERS BP^^B^^I tU WfBBI^Bl 1^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •>wo m-e/-! " FF CHK DATE //-3a-3/ POUNTNEY s. ASSOCIATES INC. IBi^Ax^Bf 4B!f ^Bf ^B^ CONSULTING ENGINEERS BP^^B^^I tU WfBBI^Bl 1^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 80.00 TO NODE 81.00 IS CODE = 2 :>>>>>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9000 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.07(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 810.00 UPSTREAM ELEVATION = 98.00 DOWNSTREAM ELEVATION = . l.OO ELEVATION DIFFERENCE = 97.00 100-YEAR RAINFALL INTENSITY..( INCH/HOUR) = 3.838 SUBAREA RUNOFF(CFS) = 36.78 TOTAL AREA(ACRES) = 10.65 TOTAL RUNOFF(CFS) = 36.78 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 81.00 TO NODE 82.00 IS CODE = 5 >>»>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >'»»TRAVELTIME THRU SUBAREA<«« UPSTREAM NODE ELEVATION = 145.00 DOWNSTREAM NODE ELEVATION = 100.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 750.00 CHANNEL BASE(FEET) = 0.00 'Z* FACTOR = MANNINGS FACTOR = 0.040 ' MAXIMUM DEPTH(FEET) CHANNEL FLOW THRU SUBAREA(CFS) = . .. 36.78 FLOW VELOCITY(FEET/SEC) = 7.35 FLOW DEPTH(EEET) = TRAVEL TIME(MIN.) = - -r.-70 - *TC (M IN. ) = 14.77 2.000 5.00 1.58 AAAAAAAAAAAAA'AAAAAAAAAAAAAA'AAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAA FLOW „PROCESS..FROM. NODE . 82.00 TO NODE 82.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.77 RAINFALL INTENSITY (INCH./HOUR) .= 3.49 TOTAL STREAM AREA v(ACRES) = 10.65 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 36.78 i'"''' CITYOF CF/ZL^GAD °'7f POUNTNEY i ASSOCIATES INC. M)^|\M'/ Mf/9b^Vl ^Bf M^ CONSULTING ENGINEERS ^P^B'^BI9U WlWB'Wl l^Y 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 FAU)/F)FhF AFF^PFT ^/PAO POUNTNEY i ASSOCIATES INC. M)^|\M'/ Mf/9b^Vl ^Bf M^ CONSULTING ENGINEERS ^P^B'^BI9U WlWB'Wl l^Y 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 Iwo • mm " FF CHK OAre //-3a-3/ POUNTNEY i ASSOCIATES INC. M)^|\M'/ Mf/9b^Vl ^Bf M^ CONSULTING ENGINEERS ^P^B'^BI9U WlWB'Wl l^Y 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 1 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 82.00 TO NODE 82.00 IS CODE = 1 I I I I I I A I I I I II I I I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 83.00 TO NODE 82.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13 . 83(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION = 203.00 DOWNSTREAM ELEVATION =. 100.00 ELEVATION DIFFERENCE = 103.00 100 YEAR RAINFALL ,INTENSITY(INCH/HOUR)= 3.682 SUBAREA RUNOFF(CFS) = .20.81 TOTAL AREA(ACRES) = 5.95 TOTAL RUNOFF(CFS) = 20.81 •»>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES«<« CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 13.83 RAINFALL INTENSITY .(INCH./HOUR) = 3.68 TOTAL STREAM AREA (ACRES) = 5.95 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = I 21 CONFLUENCE INFORMATION STREAM - RUNOFF TIME 2 ARE: 20.81 NUMBER (CFS) INTENSITY (MIN.) (INCH/HOUR) l-~- —36 . 78 —-'^-14. 77- 2 20.81 13.83 -3.487 3.682 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 56.50 55.65 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 56.50 TIME(MINUTES) = 14.770 TOTAL AREA(ACRES) = 16.60 ilENT CITYOF CF^FI^GAD °' So PROJECT FALO^F^ AFFipFr ^/:)A0 /o mm FF CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS 4455 MURPHY CANYON ROAD SUITE 200 SAN DIECO. CA 92123 (619)576-9200 mmwmwmmw AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 32.00 TO NODE 34.00 IS CODE = >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 100.00 DOWNSTREAM NODE ELEVATION = 75,00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 6.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 56.50 FLOW VELOCITY(FEET/SEC) = 5.10 FLOW DEPTH(FEET) = . 1.36 - TRAVEL TIME(MIN.) = 2.62 TC(MIN.) = 17,39 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 90.00 TO NODE 91.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYS IS«<« AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 - NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12.99(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 740.00 UPSTREAM ELEVATION = 80.00 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 79.00 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.854 " SUBAREA RUNOFF(CFS) = 31.34 TOTAL AREA(ACRES) = 8.56 -TOTAL RUNOFF(CFS) = 31.34 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 91.00 TO NODE 92.00 IS CODE = 5 »»>COMPUTE TRAPEZOIDAL-CHANNEL FLOU««< >'»»TRAVELTIME THRU SUBAREA«<« UPSTREAM NODE ELEVATION = 125.00 DOWNSTREAM NODE ELEVATION = 92.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 31.34 FLOW VELOCITY(FEET/SEC) = 6.26 FLOW DEPTH(FEET) = 1.58 TRAVEL TIME(MIN.) = 1.86 TC(MIN.) = 14.86 W'"^'CITYOF CmsG4^ °'3I POUNTNEY I ASSOCIATES INC. flif BSf BBf BVf ^Bi^B^ CONSULTING ENGINEERS ^P^B'^B' WU WlWU WMl Wf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 • "''"^ F/k^MFF AFF^^PFT ^/PAD POUNTNEY I ASSOCIATES INC. flif BSf BBf BVf ^Bi^B^ CONSULTING ENGINEERS ^P^B'^B' WU WlWU WMl Wf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 Bwo mm J^F CHK DATE //-3a-3/ POUNTNEY I ASSOCIATES INC. flif BSf BBf BVf ^Bi^B^ CONSULTING ENGINEERS ^P^B'^B' WU WlWU WMl Wf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 FLOW PROCESS FROM NODE 92.00 TO NODE 92.00 IS CODE = 1 _>>>>>^ESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM "I'ARE" = = = = = = = TIME OF CONCENTRATION(MINUTES) = 14,86 RAINFALL INTENSITY (INCH./HOUR) = 3.47 TOTAL STREAM AREA (ACRES) = 8.56 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 31.34 FLOW PROCESS FROM NODE 93.00 TO NODE 92.00 IS CODE =2 >>'>»RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<«< AUSER SPECIFIED(SUBAREA) : INDUSTRIAL.DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION ' WITH 10-MINUTES ADDED = 13.04(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 750.00 UPSTREAM ELEVATION = 171.00 DOWNSTREAM ELEVATION = 92.00 ELEVATION DIFFERENCE = 79.00 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.844 SUBAREA RUNOFF(CFS) = 11.90 TOTAL AREA(ACRES) = 3.26 TOTAL RUNOFF(CFS) = 11.90 FLOW PROCESS FROM NODE 92.00 TO NODE 92.00 IS CODE =1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<-«« .2'^:?^^^° VARIOUS CONFLUENCED . STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM~~ 2~ ARE~:~" TIME OF CONCENTRATION(MINUTES) = 13.04 RAINFALL ' INTENSITY ( INCH./HOUR")"=" 3.84 TOTAL-STREAM AREA--(ACRES) = -3.26 TOTAL_STREAM RUNpFF(CFS) .AT CONFLUENCE = 11.90 -CONFLUENCE INFORMATION STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 31.34 14.86 3.470 2 11.90 13.04 3.844 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 42.08 40.19 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 42.08 T IME(MINUTES) = 14.856 TOTAL AREA(ACRES) = 11.82 I'"""' CITYOF CF/ZLSGAD °'3Z POUNTNEY ASSOCIATES INC. Ml^^flft ^Wl 9b^Bl ^VlM^ CONSULTING ENGINEERS WT^B^^I BBI Wl WU Bl WT 4455 MURPHY CANYON ROAD ASSOCIA TES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 m'^"" FYIUP^FF^ AFFi^Fr ^/:}AD POUNTNEY ASSOCIATES INC. Ml^^flft ^Wl 9b^Bl ^VlM^ CONSULTING ENGINEERS WT^B^^I BBI Wl WU Bl WT 4455 MURPHY CANYON ROAD ASSOCIA TES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo m-oH " FF CHK DATE //- 3a-3/ POUNTNEY ASSOCIATES INC. Ml^^flft ^Wl 9b^Bl ^VlM^ CONSULTING ENGINEERS WT^B^^I BBI Wl WU Bl WT 4455 MURPHY CANYON ROAD ASSOCIA TES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 1 I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 92.00 TO NODE 34.00 IS CODE = 5 I I I I >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW' >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 92.00 DOWNSTREAM NODE ELEVATION = 75.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 500.00 CHANNEL BASE(FEET) = 0.00 'Z' FACTOR = 6.000 ' " " MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 8.00 • ' CHANNEL FLOW THRU SUBAREA(CFS) = 42.08 FLOW VELOCITY(FEET/SEC) = 4.85 FLOW DEPTH(FEET) = "1-20 TRAVEL TIME(MIN.) = 1.72 " TC(MINi) = 16.58 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA ^ FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE =2 I I I I >»»RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<« AUSER SPECIFIED(SUBAREA) : INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12.95(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 470.00 , . UPSTREAM ELEVATION = . . 22.00 DOWNSTREAM ELEVATION = 1.00 - ELEVATION DIFFERENCE = " 21.00 100.YEAR RAINFALL_INTENSITY(INCH/HOUR) = 3.862 SUBAREA RUNOFF(CFS) = 11.89 TOTAL AREA(ACRES) =- 3.24 TOTAL RUNOFF(CFS) = 11.89 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FL0W_PR0CESSXFR0M ..N0DE . , 101..00. TO .NODE , 102.00 IS CODE = 5 ' —• »>»COMPUTE TRAPEZOIDAL--CHANNEL FLOW«<<< I I I I »».>TRAVELTIME THRU SUBAREA<«« UPSTREAM NODE ELEVATION = 125.00 DOWNSTREAM NODE ELEVATION = 92.00 CHANNEL LENGTH THRU SUBAREA (FEET) = zjz>\ CHANNEL BASE(FEET) = 0.00 'Z* FACTOR = 2.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 11.89 FLOW VELOCITY(FEET/SEC) = 5.55 FLOW DEPTH(FEET) = 1.04 TRAVEL TIME(MIN.) = 1.65 TC(MIN.) = 14.60 CITYOF CF/ZLSGAD °'83? POUNTNEY S ASSOCIATES INC. ^Bl^ft ^Bf ^BTl 9lt^Ml —,^p> CONSULTING ENGINEERS WP^B^BIWU WlWUBI B^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 ^S""''"^ F/k^/<FFhe AFFiPFT/^AO POUNTNEY S ASSOCIATES INC. ^Bl^ft ^Bf ^BTl 9lt^Ml —,^p> CONSULTING ENGINEERS WP^B^BIWU WlWUBI B^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 B>wo f m.f/-j " FF CHK DATE //-30'3/ POUNTNEY S ASSOCIATES INC. ^Bl^ft ^Bf ^BTl 9lt^Ml —,^p> CONSULTING ENGINEERS WP^B^BIWU WlWUBI B^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 I I I I r I I I I A I I I j i I I I t FLOW PROCESS FROM NODE 102.00 TO NODE 102.00 IS CODE = >>>>>DE3 IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.60 RAINFALL INTENSITY (INCH./HOUR) = 3.52 TOTAL STREAM AREA (ACRES) = 3.24 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11.89 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 103.00 TO NODE 102.00 IS CODE = 2- »>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS«<« - . . AUSER SPECIFIED(SUBAREA>: INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12.79(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 700.00 UPSTREAM ELEVATION = 172.00 DOWNSTREAM ELEVATION = 92.00 ELEVATION DIFFERENCE = 80.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.895 SUBAREA RUNOFF(CFS)-= 9.14 TOTAL AREA(ACRES) = 2.47 TOTAL RUNOFF(CFS) = 9.14 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 102.00 TO NODE 102.00 IS CODE = 1 I >»»DESIGNATE INDEPENDENT-STREAM FOR CONFLUENCE«<« »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<«« CONFLUENCE VALUES USED FOR-INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.79 RAINFALL•INTENSITY •(INCH./HOUR) = 3.89 TOTAL STREAM-AREA -(ACRES)"= 2.47 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.14 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 2 11.89 9.14 14.60 12.79 3.895 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 20.15 19.89 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 20.15 TIME(M INUTES) = 14.603 TOTAL AREA(ACRES) = 5.71 i""' CITYOF CFTZL^GAD "'34 POUNTNEY i ASSOCIATES M) A\M/ Ml/ 4RrM/ WtiW^ CONSULTING ENGINEERS ^P^B'^BI 9U WlWU^WI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIEGO, CA 92123 . (619)576-9200 m'^"^ FAUP/FPFh^ AFF^PFT /^/PAO POUNTNEY i ASSOCIATES M) A\M/ Ml/ 4RrM/ WtiW^ CONSULTING ENGINEERS ^P^B'^BI 9U WlWU^WI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIEGO, CA 92123 . (619)576-9200 Hwo mm " /^F CHK DATE //-3a'3/ POUNTNEY i ASSOCIATES M) A\M/ Ml/ 4RrM/ WtiW^ CONSULTING ENGINEERS ^P^B'^BI 9U WlWU^WI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIEGO, CA 92123 . (619)576-9200 1 I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 102.00 TO NODE 84.00 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<«<< I I I r I I UPSTREAM NODE ELEVATION = 92.00 DOWNSTREAM NODE ELEVATION = 75.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 500.00 CHANNEL BASE(FEET) = 0.00 'Z' FACTOR = 6.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = S.OO CHANNEL FLOW THRU SUBAREA(CFS) =. • 20.15 - . FLOW VELOCITY(FEET/SEC) = 3.95 FLOW DEPTH(FEET) = 0.92 TRAVEL- TIME(MIN.) = 2.11 TC(MIN.) = 16.71 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 84.00 TO NODE 84.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.71 RAINFALL INTENSITY (INCH./HOUR) = 3.24 TOTAL STREAM AREA (ACRES) = 5.71 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 20.15 I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA I t FLOW PROCESS FROM NODE 85.00 TO NODE 84.00 IS CODE = >.».».RATIONAL .METHOD. IN IT IAL„SUBAREA ANALYS IS««< t === = = = = = = = = = = = = = = = = = = = === = = = = = = := = = = = = = = =: = = = = = = = = = = = = =:=:=:=: = =: = = = = = = = = =:= j AUSER--SPECIFIED(SUBAREA):'—^—•-'"*- '* ' INDUSTRIAL DEVELOPMENT..RUNOFE,COEFFICIENT = .9500 I NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION • WITH 10-MINUTES ADDED = " 14.75(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET)= 800.00 I I I UPSTREAM ELEVATION = 105.00 DOWNSTREAM ELEVATION = 75.00 ELEVATION DIFFERENCE = 30.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.491 SUBAREA RUNOFF(CFS) = 18.94 TOTAL AREA(ACRES) = 5.71 TOTAL RUNOFF(CFS) = 18.94 r'""' CITYOF CFTZLSGAD POUNTNEY i ASSOCIATES INC. ^Bt^A BBf ^BFf 9b^Bi^B^ CONSULTING ENGINEERS BP^^BI WU Wl WU Bl W^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN DIECO, CA 92123 . (619)576-9200 Z""''"^ FAU/AFPF^ AFF^FT ^aAO POUNTNEY i ASSOCIATES INC. ^Bt^A BBf ^BFf 9b^Bi^B^ CONSULTING ENGINEERS BP^^BI WU Wl WU Bl W^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN DIECO, CA 92123 . (619)576-9200 •wo mm " /?F CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. ^Bt^A BBf ^BFf 9b^Bi^B^ CONSULTING ENGINEERS BP^^BI WU Wl WU Bl W^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN DIECO, CA 92123 . (619)576-9200 1 [AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 34,00 TO NODE 34.00 IS CODE = 1 I I I I I I I I t I I •>>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<>- = >:5>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14,75 RAINFALL INTENSITY (INCH,/HOUR) = 3.49 TOTAL STREAM AREA (ACRES) = 5.71 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 18.94 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 n 20.15 18.94 16.71 14.75 3.241 3.491 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 37.74 37.65 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 37.74 TIME(MINUTES) = 16.711 TOTAL AREA(ACRES) = 11.42 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 110.00 TO NODE 111.00 IS CODE = 2 »>»RATIONAL METHOD INITIAL SUBAREA ANALYSIS«<« irL..AUSER_SPECIF,IED(SUBAREA)..: , . • INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 - -NATURAL-WATERSHED-NOMOGRAPH TIME OF CONCENTRATION ... WITH^IO-MINUTES ADDED ,.=^ L3.14(MINUTES) , INITIAL SUBAREA FLOW-LENGTH(FEET) = 900.00 UPSTREAM ELEVATION^ - 126.00 ' DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 125.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.822 SUBAREA RUNOFF(CFS) = 28.11 TOTAL AREA(ACRES) = 7.74 TOTAL RUNOFF(CFS) = I I I I t 28.11 A + + + + + A jt*A***A*AA AAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAA AAA t"''' CITYOF C/^/ZLSGAD °'8^ POUNTNEY s ASSOCIATES Mi^l\M/ ^Wi 9b MlM^ CONSULTING ENGINEERS B^^B^WH WUWl BBIW^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m'^"^ FAU)^F^ AFF^PFT ^/PAD POUNTNEY s ASSOCIATES Mi^l\M/ ^Wi 9b MlM^ CONSULTING ENGINEERS B^^B^WH WUWl BBIW^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •wo mm " FF CHK DATE //-3a-3/ POUNTNEY s ASSOCIATES Mi^l\M/ ^Wi 9b MlM^ CONSULTING ENGINEERS B^^B^WH WUWl BBIW^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 1 I t I I I FLOW PROCESS FROM NODE 111-00 TO NODE 112.00 IS CODE = >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>»>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 130.00 DOWNSTREAM NODE ELEVATION = 90.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 10.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 28.11 FLOW VELOCITY(FEET/SEC) = 4.84 FLOW DEPTH(FEET) = 0.76 TRAVEL TIME(MIN.) = 2.24 TC(MIN.) = 15.38 I I i r I I I I I T AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW.PROCESS FROM NODE 112.00 TO.NODE 112.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.38 RAINFALL INTENSITY (INCH./HOUR) = 3.40 TOTAL STREAM AREA (ACRES) = 7.74 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 28.11 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM . NODE. 113 . 00 TO NODE 112.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT-RUNOFF'COEFFICIENT = .9500 NATURAL,. WATERSHED,NOMOGRAPH. TIME-OF- CONCENTRATION . . WITH 10-MINUTES ADDED = 12.99(MINUTES) —"INITIAL"SUBAREA'FLQW-LENGTH(FEET) = 590.00 UPSTREAM ELEVATION =41.00 DOWNSTREAM ELEVATION = 1.00 • ELEVATION" DIFFERENCE' = 40.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.853 SUBAREA RUNOFF(CFS) = 22.66 TOTAL AREA(ACRES) = 6.19 TOTAL RUNOFF(CFS) = 22.66 I'"''' CITYOF CFTZL^GAD °'S7 POUNTNEY i ASSOCIATES INC. ^Bi^A\ M /^B/ 9b^BilB^ CONSULTING ENGINEERS S^WB^WV WU WfBBI ^Bl mf 4455 MURPHY CANYON ROAO J S S O C 1 4 1 £ J SUITE 200 SAN OIEGO, CA 97123 . (619)576-9200 • FALO/FPF^F AFF^FT /^/PAD POUNTNEY i ASSOCIATES INC. ^Bi^A\ M /^B/ 9b^BilB^ CONSULTING ENGINEERS S^WB^WV WU WfBBI ^Bl mf 4455 MURPHY CANYON ROAO J S S O C 1 4 1 £ J SUITE 200 SAN OIEGO, CA 97123 . (619)576-9200 |wO " /^F CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. ^Bi^A\ M /^B/ 9b^BilB^ CONSULTING ENGINEERS S^WB^WV WU WfBBI ^Bl mf 4455 MURPHY CANYON ROAO J S S O C 1 4 1 £ J SUITE 200 SAN OIEGO, CA 97123 . (619)576-9200 ';AAAAAA:^;AAAA^:;A:AAAA;":AAAAAAAAAAA;'r.;-'r';r;i;^ iv'!.. 0 LI PROCESS •:!IOJH HOWE 11 2 .. 0 0 T 0 N 0 D E ]. J, 2,,. :j •} S u r; :•• i > ••• :> Il E3 IuN AIE INDEPENDENT 3T EE A h FOR C0N E L, U E NC H << < < < >>>>>AND COMPUTE UARIOUG CuNELUENCED STREAM VALUES<<<<< CONELiJENCE VALUES USED FOR INDEPENDENT STREAh 2 ARE: TIME OF CONCENTRAT ION ( M INUTES ) --^ 12.99 RAINFALL INTENSITY (INCH./HOUR) = 3„B5 TOTAL STREAM AREA (ACRES) --^ 6.19 TOTAL STREAM RUNOFF(CES) AT CONFLUENCE = 22.66. CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 28.11 15.38 3.396 2 22,66 12.99 3.853 RAINFALL-INTENSITY-RAT 10 CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS;: . 48.07 47.43 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 43.07 T IME(M INUTES) = 15.381 TOTAL AREA(ACRES) = 13.93 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 112.00 TO NODE 114.00 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 90.00 DOWNSTREAM NODE ELEVATION = 70.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 ' CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 10.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 48,07 FLOW VELOCITY(FEET/SEC> = 4.49 FLOW DEPTH(FEET) = 1,04 TRAVEL TIME(MIN,) = 2.04 TC(MIN.) = 17.42 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -FLOW PROCESS FROM NODE 114,00 TO NODE 114.00 IS CODE = 1 >>>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRAT ION (MINUTES) = 17,. 4 2 RAINFALL INTENSITY (INCH./HOUR) = 3.16 TOTAL STREAM AREA (ACRES) = 13.. 93 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 48,. 07 r'"''' CITYOF CF^^GAD °'33 POUNTNEY i ASSOCIATES INC. ^Bk^A flVf ^Mlf iVf ^Bl CONSULTING ENGINEERS ^P^B^^BI9U WlWUUUj Wl 4455 MURRHy CANYON ROAO 4 S S 0 C 1 J r C S SUITE 200 SAN OIEGO. CA 92123 . (619) 576-9200 i '''' FAUP^F/hF AFF^IFT ^/:)AD POUNTNEY i ASSOCIATES INC. ^Bk^A flVf ^Mlf iVf ^Bl CONSULTING ENGINEERS ^P^B^^BI9U WlWUUUj Wl 4455 MURRHy CANYON ROAO 4 S S 0 C 1 J r C S SUITE 200 SAN OIEGO. CA 92123 . (619) 576-9200 •PWO r m-/i/4 " /fF CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. ^Bk^A flVf ^Mlf iVf ^Bl CONSULTING ENGINEERS ^P^B^^BI9U WlWUUUj Wl 4455 MURRHy CANYON ROAO 4 S S 0 C 1 J r C S SUITE 200 SAN OIEGO. CA 92123 . (619) 576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 11S..00 TO NODE I I I I I I I I I I r I I I I AAAAAAA; 114.00 IS CODE = 2 >>>>>RAT lONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< AUSER SPECIFIEDCSUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT - .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.52(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) - 520,00 UPSTREAM ELEVATION = 19.00 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE =' . '" ^ 18 . 00 ' ^ • • - 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = '3,745 SUBAREA RUNOFF(CFS) = 15.16 TOTAL AREA(ACRES) = 4.26 ' TOTAL RUNOFF(CFS) = 15.16 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM' NODE 114,00 TO NODE 114,00 IS CODE = 1 >>>>>DE3 IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF C0NCENTRATI0N(MINUTE3) = 13,52 RAINFALL INTENSITY (INCH,/HOUR) = 3.75 TOTAL STREAM AREA (ACRES) = 4.26 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 15.16 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 48.07 15.16 17.42 13 .52 3.159 3,745 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 60.86 55.71 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 60.86 T IME(M INUTES) = 17.424 TOTAL AREA(ACRES) = 13.19 • CITYOF CF^TZLSGAD °'37 POUNTNEY i ASSOCIATES M) A\M/ tWi 9b M/ M/^B!^ CONSULTING ENGINEERS ^^^B^^Bf WU Wl WU ^sl Wf 4455 MURPHY CANYON ROAO ASSOCIATE I SUITE 200 SAN DIEGO. CA 92123 . (419)576.9200 k'^' FAU)/(FFhF AF/^FF/^AO POUNTNEY i ASSOCIATES M) A\M/ tWi 9b M/ M/^B!^ CONSULTING ENGINEERS ^^^B^^Bf WU Wl WU ^sl Wf 4455 MURPHY CANYON ROAO ASSOCIATE I SUITE 200 SAN DIEGO. CA 92123 . (419)576.9200 •PWO r m/>/4 " /?F CHK DATE //-3iP-3/ POUNTNEY i ASSOCIATES M) A\M/ tWi 9b M/ M/^B!^ CONSULTING ENGINEERS ^^^B^^Bf WU Wl WU ^sl Wf 4455 MURPHY CANYON ROAO ASSOCIATE I SUITE 200 SAN DIEGO. CA 92123 . (419)576.9200 • •{>• -i' -1^ 4" -i- 'i -A" -i- -ji- -ir 71; -n^ -ir -i^ -•r -n- -ir -ii; A* 71; •\t- - FLOW PROCESS FROM NODE .i. -i,. -i- .i. -i. -i. -i. 34.00 TO NODS i A A A A A A A : U D E " •>>USER SPECIFIED HYDROLOGY INEQRhATION AT NODE< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 17.39 RAIN INTENS ITY( INCH/HOUR) = 3„16 TOTAL AREA(ACRES) = 16.60 TOTAL RUNOFF(CES) ^ ^^AAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAA AAAAA AAAAA A AAAAAAAA AAAA AAAAAAAA FLOW PROCESS FROM NODE S4.00 TO NODE 84.00 IS CODE = 1 >>>>>DE3 IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT'STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.39 RAINFALL INTENSITY ( INCH./.HOUR) = 3.16. ' TOTAL STREAM AREA (ACRES) = 16.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 56.50 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 84.00 TO NODE 84.00 IS CODE = 7 •USER SPECIFIED HYDROLOGY INFORMATION AT NODE<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 16.58 RAIN INTENS ITY(INCH/HOUR) = 3.26 TOTAL AREA(ACRES) = 11.32 TOTAL RUNOFF(CFS) = 42.03 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 84.00 TO NODE 34.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 16.58 RAINFALL INTENSITY (INCH./HOUR) = 3,26 TOTAL STREAM AREA (ACRES) = 11.82 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 42.08 t"'"" CITYOF CF/ZL3GAD POUNTNEY i ASSOCIATES INC. ^Bk^A MKi 9b ^Bi^B> CONSULTING ENGINEERS B'^B'BIBBI Wl 9UB^ 4455 MURPHY CANYON ROAO 4 S S 0 C / A 1 = S SUITE 200 SAN OIEGO. CA 92123 . (419) 576-9200 m''''''' F/V^^^^FF AF/^FFP^AO POUNTNEY i ASSOCIATES INC. ^Bk^A MKi 9b ^Bi^B> CONSULTING ENGINEERS B'^B'BIBBI Wl 9UB^ 4455 MURPHY CANYON ROAO 4 S S 0 C / A 1 = S SUITE 200 SAN OIEGO. CA 92123 . (419) 576-9200 " /^F CHK DATE //- 3a ^3? POUNTNEY i ASSOCIATES INC. ^Bk^A MKi 9b ^Bi^B> CONSULTING ENGINEERS B'^B'BIBBI Wl 9UB^ 4455 MURPHY CANYON ROAO 4 S S 0 C / A 1 = S SUITE 200 SAN OIEGO. CA 92123 . (419) 576-9200 AAA AAAAAAAAAA AAAA AAAAAAAAAAAAAA A AAAAAAAAAAAA AAAAAAAAA iJ-iA FLOW PROCESS FROM NODE S4,.00 TO NODE ^ 34^00 IS CODE : -i: i J. AAAAAAAAAAA >>>>>1JSER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<^ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 16.71 RAIN INTENS ITY(INCH/HOUR) = TOTAL AREA(ACRES) = 11.42 TOTAL RUNOFF (CFS .24 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA.iAAAAAJ-iAAA FLOW PROCESS FROM NODE 84.00 TO NODE 84.00 IS CODE = 1 >>»>DE3 IGNATE INDEPENDENT STREAM FOR CONFLU£NCE«< << CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE TIME OF CONCENTRATION(MINUTES) = 16.71 RAINFALL INTENSITY (INCH./HOUR) = 3.24 TOTAL STREAM AREA (ACRES) = 11.42 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 37 74 AAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA^A A-1-^FLOW PROCESS FROM NODE 84.00 TO NODE 84.00 IS CODE = A„ >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 17.42 RAIN INTENS ITY( INCH/HOUR) = 3.16 TOTAL AREA(ACRES) = 18.19 TOTAL RUNOFF(CFS) = 60,86 t"''' CITYOF CF^^GAD °'^/ POUNTNEY i ASSOCIATES INC. ^B>^A ^Bf ^Bif Vlf ^Vi^M^ CONSULTING ENGINEERS 'P^^^^BI9U BuWUBU Wl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m"''"' FAUP^FF^ AFFipFr^F)AD POUNTNEY i ASSOCIATES INC. ^B>^A ^Bf ^Bif Vlf ^Vi^M^ CONSULTING ENGINEERS 'P^^^^BI9U BuWUBU Wl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •vo m^N CHK DATE //-3a~3/ POUNTNEY i ASSOCIATES INC. ^B>^A ^Bf ^Bif Vlf ^Vi^M^ CONSULTING ENGINEERS 'P^^^^BI9U BuWUBU Wl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 •jv 7..; E R U M N 0 D E •DESIGNATE INDEPENDENT STREAM FOR CnNFLU£NCE<<<^ AND COMPUTE VARIOUS CONFLUENCED STREAM Mar UT' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 4 A TIME OF CONCENTRATION(MINUTES) = 17„42 RAINFALL INTENSITY (INCH./HOUR) = 3.1b TOTAL STREAM AREA (ACRES) = 13.19 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = bO . 86 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS)- .(MIN.)(INCH/HOUR) 1 2 3 4 56 .50 42.03 37.74 60 . 36 17.39 16. 58 16.71 17.42 3. 163 3.257 3.242 3.159 RAINFALL-INTENSITY-RAT 10 CONFLUENCE FORMULA USED FOR 4 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 194.93 193.55 194.06 194.90 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 194.98-^ T IME ( M INUTES ) = 17.390 TOTAL AREA(ACRES) = 58.03 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 84.00 TO NODE 6270.00 IS CODE = 4 >>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA- •>USING USER-SPECIFIED P IPES IZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 30.2 INCHES PIPEFLOW VELOCITY(FEET/SEC. ) = 11.7 UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 142.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.20 2.40 1.00 MANNINGS N 0.013 48.00 NUMBER OF PIPES 194,98 TC(MIN.) = 17,59 END OF RATIONAL METHOD ANALYSIS W"''' CITYOF CFTZI^GAD POUNTNEY s, ASSOCIATES INC. JBi^A dVf ^Vi^Bf ^Bf^V^ CONSULTING ENGINEERS B'^^WlBl WlBIBl Wf 4455 MURPHY CANYON ROAD A S S 0 C 1 A T : i SUITE 200 SAN OIEGO. CA 92123 . (619) 576-9200 m""''^' FAU^/FFhF AFFPFT/^/PAO POUNTNEY s, ASSOCIATES INC. JBi^A dVf ^Vi^Bf ^Bf^V^ CONSULTING ENGINEERS B'^^WlBl WlBIBl Wf 4455 MURPHY CANYON ROAD A S S 0 C 1 A T : i SUITE 200 SAN OIEGO. CA 92123 . (619) 576-9200 |>WO •as.o/4 " /fF CHK OAre //- POUNTNEY s, ASSOCIATES INC. JBi^A dVf ^Vi^Bf ^Bf^V^ CONSULTING ENGINEERS B'^^WlBl WlBIBl Wf 4455 MURPHY CANYON ROAD A S S 0 C 1 A T : i SUITE 200 SAN OIEGO. CA 92123 . (619) 576-9200 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1981 HYDROLOGY MANUAL (C) Copyright 1982, 1986 Adv-anced Engineering Softw-are CAES: Especially prep-ared for: .. s • Y M- CAS Symplified Computer Aided Services 3900 BIRCH ST., SUITE 105, NEWPORT BEACH CA., 92660 AAAAAAAAAADESCRIPTION OF RESULTSAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Ik PAL0MAR7.RES NOVEMBER 23, 1987 A r A * A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADlENTS(DECIMAL) TO USE FOR FRICTION SLOPE = 0.90 RAINFALL-INTENSITY ADJUSTMENT FACTOR = 1.000 NUMBER OF CTIME,INTENSITY] DATA PAIRS = 11 1) 5 .000; 6 .980 2) 7 .000; 5 .620 3 ) 10 .000; 4 .470 4) 15 .000; 3 .440 5) 20 .000; 2 .860 6) 25 .000; 2 .470 7 ) 30 .000; .200 8) 40 .000; 1 .830 9) 50 .000; 1 .580 10) 60 .000; 1 .410 11) 120 .000; 0 .900 SAN DIEGO HYDROLOGY MANUAL "C'-VALUES USED Advanced Engineering Software CAESD SERIAL No. K1702 VER. 3.3C RELEASE DATE: 2/20/86 l'""' CITYOF CFTZL^GAD POUNTNEY i ASSOCIATES INC. flBl^A\flV/ ••/ 9b iM^B^ CONSULTING ENGINEERS ^P^B^^BI 9U WT WU ^Bl 4455 MURPHY CANYON ROAO A 3 S O C 1 J T £ S SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 FAOP^A^ AFF^FT ^/:)AD POUNTNEY i ASSOCIATES INC. flBl^A\flV/ ••/ 9b iM^B^ CONSULTING ENGINEERS ^P^B^^BI 9U WT WU ^Bl 4455 MURPHY CANYON ROAO A 3 S O C 1 J T £ S SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 ""m^N " /?F CHK OAre //- 3a-3/ POUNTNEY i ASSOCIATES INC. flBl^A\flV/ ••/ 9b iM^B^ CONSULTING ENGINEERS ^P^B^^BI 9U WT WU ^Bl 4455 MURPHY CANYON ROAO A 3 S O C 1 J T £ S SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 1 I 1 I I I I I I I I I FLOW PROCESS FROM NODE 120.00 TO NODE 121.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.06(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 800 00 UPSTREAM ELEVATION = 179.00 DOWNSTREAM ELEVATION. = . . 85.00 . ELEVATION 'DIFFERENCE = 94.00 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.839 SUBAREA RUNOFF(CFS) = 11.31 TOTAL AREA(ACRES) = 3.10 TOTAL RUNOFF(CFS) = 11.31 FLOW^PROCESS FROM NODE 130.00 TO NODE 131.00 IS CODE = 2 >-J;;>-^>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< AUSER SPECIFIED(SUBAREA): ================= INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12.52(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 700.00 UPSTREAM ELEVATION = 230.00 DOWNSTREAM ELEVATION = 125.00 ELEVATION DIFFERENCE = 105.00 100 YEAR RAINFALL INTENS IT Y ( INCH/HOUR) = 3.95':> SUBAREA RUNOFF(CFS) = 23.16 TOTAL AREA(ACRES) = 6.17 TOTAL RUNOFF(CFS) = 23.16 FLOW^PROCESS FROM NODE 131.00 TO NODE 132.00 IS CODE =5 I I I »>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<-.r- >>>>>TRAVELTIME THRU SUBAREA<«« UPSTREAM NODE ELEVATION = 125^.00 DOWNSTREAM NODE ELEVATION = 95.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 450 00 CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 10.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 8 00 CHANNEL FLOW THRU SUBAREA(CFS) = 23.16 FLOW VELOCITY(FEET/SEC) = 4.69 FLOW DEPTH(FEET) = TRAVEL TIME(MIN.) = 1.60 TC(MIN.) = 14.lv 0,70 •CITYOF CF/ZLSGAD - ^4 POUNTNEY II ASSOCIATES INC. ^Bt^A ^Bb BBi CONSULTING ENGINEERS B^WS^WUBl WlBIBI Wf 4455 MURPHY CANYON ROAO A S S 0 C 1 A r £ i SUITE 200 SAN OIEGO, CA 92123 . (419)576-9200 w''''' FALO^P^ AFF^^FT ^/:)AD POUNTNEY II ASSOCIATES INC. ^Bt^A ^Bb BBi CONSULTING ENGINEERS B^WS^WUBl WlBIBI Wf 4455 MURPHY CANYON ROAO A S S 0 C 1 A r £ i SUITE 200 SAN OIEGO, CA 92123 . (419)576-9200 •wo •as/!/.! " FF CHK DATE //- 3a'3/ POUNTNEY II ASSOCIATES INC. ^Bt^A ^Bb BBi CONSULTING ENGINEERS B^WS^WUBl WlBIBI Wf 4455 MURPHY CANYON ROAO A S S 0 C 1 A r £ i SUITE 200 SAN OIEGO, CA 92123 . (419)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 132.00 TO NODE 132.00 IS CODE = 1 •>D£S IGNATE INDEPENDENT STREAM FOR CONFLUENCE- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF C0NCENTRATI0N(MINUTE3) = 14.12 RAINFALL INTENSITY (INCH./HOUR) = 3.62 TOTAL STREAM AREA (ACRES) = 6.17 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 23.16 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 133.00 TO NODE 132.00 IS CODE = 2 >>.>;..-,> RATIONAL. METHOD INITIAL SUBAREA ANALYS IS<<<<< AUSER ~SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12.86(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 700.00 UPSTREAM ELEVATION = 170.00 DOWNSTREAM ELEVATION = 95.00 ELEVATION DIFFERENCE = 75.00 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.880 SUBAREA RUNOFF(CFS) = 21.05 TOTAL AREA(ACRES) = 5.71 TOTAL RUNOFF(CFS) = 21.05 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 132.00 TO NODE 132.00 IS CODE = 1 .>.":>>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<v >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<> CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE; TIME OF CONCENTRATION(MINUTES) = 12.86 RAINFALL INTENSITY (INCH./HOUR) = 3.88 TOTAL STREAM AREA (ACRES) = 5.71 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 21i.05 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 23.16 14.12 3.622 2 21.05 12.86 3.880 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 42.81 42.67 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 42.81 T IME(M INUTES) = 14.116 TOTAL AREA(ACRES) = 11.88 I'"''' CITYOF CFTZISGAD °'^'P POUN TNEY S, ASSOCIATES INC. ^Mi CONSULTING ENGINEERS B'BDWVBl WlBIBI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (4191576-9200 • FAa)/<FF^ AFF^FT PQJAO POUN TNEY S, ASSOCIATES INC. ^Mi CONSULTING ENGINEERS B'BDWVBl WlBIBI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (4191576-9200 |wO mm ay ^ T?F CHK DATE //-3a-3/ POUN TNEY S, ASSOCIATES INC. ^Mi CONSULTING ENGINEERS B'BDWVBl WlBIBI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (4191576-9200 A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 132.00 TO NODE 132.00 IS CODE = 1 >>>>>&E3IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1~ARE" TIME OF CONCENTRATION(MINUTES) = 14.J2 RAINFALL INTENSITY (INCH./HOUR) = 3.62 TOTAL STREAM AREA (ACRES) = 11.88 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 42.81 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 134.00 TO NODE 132.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<.<< . . ----- AUSER SPECIFIED(SUBAREA): ^ INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12.34(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 600.00 UPSTREAM ELEVATION = 175.00 DOWNSTREAM ELEVATION = 95.00 ELEVATION DIFFERENCE = 80.00 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.989 SUBAREA RUNOFF(CFS) = 13.64 TOTAL AREA(ACRES) = 3.60 TOTAL RUNOFF(CFS) = 13.64 FLOW PROCESS FROM NODE 132.00 TO NODE 132.00 IS CODE = 1 »:>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE^'< >>>>>AND^COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.34 RAINFALL INTENSITY (INCH./HOUR) = 3.99 TOTAL STREAM AREA (ACRES) = 3.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.64 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 42.81 14.12 3.622 2 13.64 12.34 3.989 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 55.20 52.52 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 55.20 T IME(M INUTES) = 14.116 ^ TOTAL ARFAf ATTVPc;^ = 15.48 1"'' CITYOF CF/ZL^GAD POUNTNEY 3. ASSOCIATES ^i^^WMi tWi 9b tWi ^Bl9^ CONSULTING ENGINEERS ^P^B'^Bf WU WlWU WU Wl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (419) 576-9200 1°''''' F/k^^F}^ AFFPFT ^FIAO POUNTNEY 3. ASSOCIATES ^i^^WMi tWi 9b tWi ^Bl9^ CONSULTING ENGINEERS ^P^B'^Bf WU WlWU WU Wl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (419) 576-9200 ""mm /fF CHK DATE //-3a-3/ POUNTNEY 3. ASSOCIATES ^i^^WMi tWi 9b tWi ^Bl9^ CONSULTING ENGINEERS ^P^B'^Bf WU WlWU WU Wl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (419) 576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 140.00 TO NODE 141.00 IS CODE = 2 >RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<^ AUSER SPECIFIED(SUBAREA) ;; INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.15(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 350.00 UPSTREAM ELEVATION = .230.00 DOWNSTREAM ELEVATION = 125.00 ELEVATION DIFFERENCE = 105.00 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.822 SUBAREA RUNOFF(CFS) = 19.90 TOTAL AREA(ACRES) = 5.48 TOTAL RUNOFF(CFS) = 19.90 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 141.00 TO NODE 143.00 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<.;< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 125.00 DOWNSTREAM NODE ELEVATION = 105.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 350.00 CHANNEL BASE(FEET) = 0.00 'Z' FACTOR = 2.000 MANNINGS FACTOR = 0.040 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.90 FLOW VELOCITY(FEET/SEC) = 6.21 FLOW DEPTH(FEET) = 1.27 TRAVEL TIME(MIN.) = 0.94 TC(MIN.) = 14.09 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 143.00 TO NODE 143.00 IS CODE = 1 .»>.»DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUT£S) = 14.09 RAINFALL INTENSITY (INCH./HOUR) = 3.63 TOTAL STREAM AREA (ACRES) = 5.48 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 19.90 t'""' CITYOF CFTZI^GAD °' 97 POUNTNEY j ASSOCIATES INC. ^B)^A IHf M!f ^Bi CONSULTING ENGINEERS B^W^Btl WU Wl BBI Bl Wf 4455 MURPHY CANYON ROAD A S S 0 C 1 A 1 £ 5 SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 w""''^' FAUP/FPFhF AF/^FT ^/:)AO POUNTNEY j ASSOCIATES INC. ^B)^A IHf M!f ^Bi CONSULTING ENGINEERS B^W^Btl WU Wl BBI Bl Wf 4455 MURPHY CANYON ROAD A S S 0 C 1 A 1 £ 5 SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 •wo m-/)i-i /?F CHK DATE //-3a-3/ POUNTNEY j ASSOCIATES INC. ^B)^A IHf M!f ^Bi CONSULTING ENGINEERS B^W^Btl WU Wl BBI Bl Wf 4455 MURPHY CANYON ROAD A S S 0 C 1 A 1 £ 5 SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 1 1 I r I I I I I I I I I I I I FLOW PROCESS FROM NODE 142.00 TO NODE 143.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12.73(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 700.00 UPSTREAM ELEVATION = 190.00 DOWNSTREAM ELEVATION = 105.00 ELEVATION DIFFERENCE = 85.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.908 SUBAREA RUNOFF(CFS) = 28.10 TOTAL AREA(ACRES) = 7.57 TOTAL RUNOFF(CFS) = 28.10 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 143.00 TO NODE 143.00 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) = 12.73 RAINFALL INTENSITY (INCH./HOUR) = 3.91 TOTAL STREAM AREA (ACRES) = 7.57 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 28. 10 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 2 19.90 28.10 14.09 12.73 3.628 3.908 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 45.99 46.57 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 46.57 TIME(M INUTES) = 12.728 TOTAL AREA(ACRES) = 13.05 I'"''' CITYOF CF/ZI3GAD POUNTNEY s, ASSOCIATES INC. ^Bt^A ^Bf ^B/f ^Bf^Mi ^Hfl^V^ CONSULTING ENGINEERS B^^^WV Bl WlBIBI mf 4455 MURPHY CANYON ROAO A S S 0 C 1 A r f 3 SUITE 200 SAN OIEGO. CA 92123 . (4191576-9200 m'^''' FAU)^FPF^ AFF^FT ^FIAD POUNTNEY s, ASSOCIATES INC. ^Bt^A ^Bf ^B/f ^Bf^Mi ^Hfl^V^ CONSULTING ENGINEERS B^^^WV Bl WlBIBI mf 4455 MURPHY CANYON ROAO A S S 0 C 1 A r f 3 SUITE 200 SAN OIEGO. CA 92123 . (4191576-9200 •wo m-ii/4 " /^F CHK DATE //- 3a-3/ POUNTNEY s, ASSOCIATES INC. ^Bt^A ^Bf ^B/f ^Bf^Mi ^Hfl^V^ CONSULTING ENGINEERS B^^^WV Bl WlBIBI mf 4455 MURPHY CANYON ROAO A S S 0 C 1 A r f 3 SUITE 200 SAN OIEGO. CA 92123 . (4191576-9200 A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A AAAAAA A A A A A A A A FLOW PROCESS FROM NODE 143.00 TO NODE 9000.00 IS CODE = 4 >>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA^ •^ >>>USING USER-SPECIFIED P IPES IZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.7 UPSTREAM NODE ELEVATION = 4.10 DOWNSTREAM NODE ELEVATION = 1.00 FLOWLENGTH(FEET) = 152.00 MANNINGS N = 0.013 GIVEN PIPE DIAMETER( INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 46,57 TRAVEL TIME(MIN,) =0.20 TC(MIN.)= 12.93 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 150.00 TO NODE 150.00 IS CODE = 7 .•.••>.».>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 15.00 RAIN INTENSITY(INCH/HOUR) = 3.44 TOTAL AREA(ACRES) = 35.00 TOTAL RUNOFF(CFS) = 89.00 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 150.00 TO NODE 150.00 IS CODE = 1 >>>>:.-. DES IGNATE INDEPENDENT STREAM FOR CONFLU£NCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.00 RAINFALL INTENSITY (INCH./HOUR) = 3.44 TOTAL STREAM AREA (ACRES) = 35.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 89.00 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 150.00 TO NODE 151.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< AUSER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.99(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 175.00 DOWNSTREAM ELEVATION = 105.00 ELEVATION DIFFERENCE = 70.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.059 SUBAREA RUNOFF(CFS) = 15.03 TOTAL AREA(ACRES) = 4.37 TOTAL RUNOFF(CFS) = 15.08 t""' CITYOF CF^^GAD POUNTNEY i ASSOCIATES INC. ^Bt^A flif ^flf ^Bi CONSULTING ENGINEERS B^B^Wu Bl WiBBI Bl Wf 4455 MURPHY CANYON ROAO A S S O C 1 A T • : SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 m°''^' FAUP/FPF^ AFFic^Fr ^mo POUNTNEY i ASSOCIATES INC. ^Bt^A flif ^flf ^Bi CONSULTING ENGINEERS B^B^Wu Bl WiBBI Bl Wf 4455 MURPHY CANYON ROAO A S S O C 1 A T • : SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 "^m-oN J^F CHK OAre //-3a-3/ POUNTNEY i ASSOCIATES INC. ^Bt^A flif ^flf ^Bi CONSULTING ENGINEERS B^B^Wu Bl WiBBI Bl Wf 4455 MURPHY CANYON ROAO A S S O C 1 A T • : SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 150.00 TO NODE 15O..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) = 11.99 RAINFALL INTENSITY (INCH./HOUR) = 4.06 TOTAL STREAM AREA (ACRES) = 4.37 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 15.08 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 o 89.00 15.08 15.00 11.99 3.440 4.059 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 101.78 90.50 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 101.78 TIME(MINUTES) = 15.000 TOTAL AREA(ACRES) = 39.37 I'"''' CITYOF CF/ZL^GAD POUNTNEY i ASSOCIATES INC. ^m. ^mf.^Bf ^B^ CONSULTING ENGINEERS B^BbBJBBI WlBBIBI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (419)576-9200 w''''' FALO^Fh^ AFFC^FT ^iPPAD POUNTNEY i ASSOCIATES INC. ^m. ^mf.^Bf ^B^ CONSULTING ENGINEERS B^BbBJBBI WlBBIBI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (419)576-9200 •wo m-o/4 " /^F CHK DATE //- 3a'3/ POUNTNEY i ASSOCIATES INC. ^m. ^mf.^Bf ^B^ CONSULTING ENGINEERS B^BbBJBBI WlBBIBI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (419)576-9200 RATIONAL METHOD HYDROLOGY C,(QfMFUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY^FLOOD CONTROL DISTRICT :i. 93.1 HYDROLOGY MANUAL (C) Copyright 1982,1936 Adv-anced Engineering Softw-are CAES:! Especially prepared for: - • • -: - • S/Y- .M':C -A- 3" Symplified Computer Aided Services 3900 BIRCH ST., SUITE 105, NEWPORT BEACH CA., 92660 I I I i I I l<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> AAAAAAAAAADESCRIPTION OF RESULTSAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA t PAL0MAR4.RES OCTOBER 6, 1987 A A A ^AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: I* USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 • SPECIFIED PERCENT OF GRAD lENTS(DECIMAL) TO USE FOR FRICTION SLOPE = 0 90 RAINFALL-INTENSITY ADJUSTMENT FACTOR = 1.000 NUMBER OF CTIME,INTENSITY] DATA PAIRS = 11 I I I I I I 1) 5.000; 6.980 2) 7.ooo; 5.620 3 ) 10.000; 4.470 4) 15.000; 3.440 5 ) 20.000; 2.860 6 ) 25.000; 2.470 7 ) 30.000; 2 . 200 8) 40.000; 1 . 830 9 ) 50.000; 1 .580 10) 60.000; 1.410 11 ) 120.000; 0.900 SAN DIEGO HYDROLOGY 'C "-VALUES USED Adv-anced Engineering Softw-are CAES:! SERIAL No. K1702 VER. 3.3C RELEASE DATE: 2/20/86 I"'"" CITYOF CFTZL^GAD °Foi POUNTNEY i ASSOCIATES INC. ^Bi^A ^B/ ^Ml9b^Wl ^BlltB^ CONSULTING ENGINEERS ^P^B^^BI9U WlBBIWU 4V J455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (419)574-9200 • FAUP^AF AFFDFT P^AD POUNTNEY i ASSOCIATES INC. ^Bi^A ^B/ ^Ml9b^Wl ^BlltB^ CONSULTING ENGINEERS ^P^B^^BI9U WlBBIWU 4V J455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (419)574-9200 Iwo mm /fF CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. ^Bi^A ^B/ ^Ml9b^Wl ^BlltB^ CONSULTING ENGINEERS ^P^B^^BI9U WlBBIWU 4V J455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (419)574-9200 AA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 115.00 TO NODE 115.00 IS CODE = >>>>>RAT lONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< AAAAAAAA; SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF NATURAL WATERSHED NOMOGRAPH •- WITH. IO-MINUTES' ADDED = 11 INITIAL SUBAREA FLOW-LENGTH(FEET) = UPSTREAM ELEVATION = 3.40 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 2,40 100 YEAR RAINFALL INTENSITY( INCH/HOUR) SUBAREA RUNOFF(CFS) = 0.40 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) COEFFICIENT = ,9500 TIME OF CONCENTRATION 43(MINUTES). 122.00 4.17 0 ,40 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 115.00 TO NODE 9717.00 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<.<< UPSTREAM ELEVATION = 140.00 DOWNSTREAM ELEVATION = 103-00 STREET LENGTH(FEET) = 1803.00 CURB HE IGTH(INCHES) = 6, STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL(DECIMAL) =0.0400 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3,71 STREET FLOWDEPTH(FEET) = 0,38 HALFSTREET FLOODW IDTH(FEET) = 6,98 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.47 PRODUCT OF DEPTH&VELOCITY = 1.30 STREETFLOW TRAVELTIME(MIN) = 3.67 TC(MIN) = 20.10 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 2.852 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 2,34 SUBAREA RUNOFF(CFS) = 6.34 SUMMED AREA(ACRES) = 2,44 TOTAL RUNOFF(CFS) = 6.74 END OF SUBAREA STREETFLOW HYDRAULICS: [lEPTH(FEET) = 0.44 HALFSTREET FLOODW IDTH (FEET) = 8.64 FLOW VELOCITY(FEET/SEC.) = 4.24 DEPTHAVELOCITY = 1.87 t'""' CITYOF CF/ZL^GAD °Foz POUNTNEY s. ASSOCIATES INC. ^B)^^ ^Bi Mil BBi^Mi^M/ CONSULTING ENGINEERS B^WvBJ Bl WlWBI Mr Wf 4455 MURPHY CANYON ROAD A S S 0 C 1 A r • S SUITE 200 SAN DIEGO. CA 92123 . (419) 576-9200 m""'^^' FAi^^FFh^ AF/^FTP^AO POUNTNEY s. ASSOCIATES INC. ^B)^^ ^Bi Mil BBi^Mi^M/ CONSULTING ENGINEERS B^WvBJ Bl WlWBI Mr Wf 4455 MURPHY CANYON ROAD A S S 0 C 1 A r • S SUITE 200 SAN DIEGO. CA 92123 . (419) 576-9200 |wO t^g-f/-/ " /fF CHK DATE //- 3a'3/ POUNTNEY s. ASSOCIATES INC. ^B)^^ ^Bi Mil BBi^Mi^M/ CONSULTING ENGINEERS B^WvBJ Bl WlWBI Mr Wf 4455 MURPHY CANYON ROAD A S S 0 C 1 A r • S SUITE 200 SAN DIEGO. CA 92123 . (419) 576-9200 A AAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAA A AAAAAAAAAA AAA A AAAAA.'•:AA FLOW PROCESS FROM NODL 9717 „ 00 TO NO HE 971'7„00 IS :::JDE ••- 1 ;> :> DESIGNATE INDEPENDENT STREAM FOR C i.J N F L U E N E < < < < < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRAT ION ( M INUTES ) ••= 20.10 R A INFALL INTENS IT Y ( INCl^l. /H0UR ) 2 . S5 TOTAL STREAM AREA (ACRES) ^ 2.44 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 6.. 74 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 8933.00 TO NODE 9003.00 IS CODE = 2 •RATIONAL METHOD INITIAL SUBAREA ANALYSI3<< :s INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = ,9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.95(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 123.00 UPSTREAM ELEVATION = 2,10 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 1.10 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 4,068 SUBAREA RUNOFF(CFS) = 0.39 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.39 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 9003.00 TO NODE 9717.00 IS CODE = 6 >>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA" I t UPSTREAM ELEVATION = 112.20 DOWNSTREAM ELEVATION = 108.10 STREET LENGTH(FEET) = 714.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL(DECIMAL) =0.0400 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.91 STREET FLOWDEPTH(FEET) = 0.36 HALFSTREET FLOODW IDTH(FEET) = 6,65 AVERAGE FLOW VELOCITY(FEET/SEC.) = 1.95 PRODUCT OF DEPTHSVELOCITY = 0.71 STREETFLOW TRAVELT IME(M IN) = 6.10 TC(MIN) = 18.05 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 3.0SG SOIL CLASSIFICATION IS 'D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA (ACRES) = 1,.03 SUBAREA RUNOFF (CFS) 3.02 SUMMED AREA(ACRES) = 1.13 TOTAL RUNOFF(CFS) = 3.41 END OF SUBAREA STREETFLOW HYDRAULICS" DEPTH(FEET) = 0.43 HALFSTREET FLOODU IDTH(FEET) 8.31 FLOW VELOCITY(FEET/SEC„ ) - 2„31 DEPTHAVELOCITY = 0.,99 I'"''' CITYOF CFTZL^GAD POUN TNEY i ASSOCIATES INC. mi^B\ ^Bf i^Bf 9b ^Bi^B^ CONSULTING ENGINEERS B^^B)B}Bu WiBBIBl mf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92)23 . (419)576-9200 • FAUP^FF AF/^FT P^/PAO POUN TNEY i ASSOCIATES INC. mi^B\ ^Bf i^Bf 9b ^Bi^B^ CONSULTING ENGINEERS B^^B)B}Bu WiBBIBl mf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92)23 . (419)576-9200 •wo m-0/4 " FF CHK DATE //-3a-3/ POUN TNEY i ASSOCIATES INC. mi^B\ ^Bf i^Bf 9b ^Bi^B^ CONSULTING ENGINEERS B^^B)B}Bu WiBBIBl mf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92)23 . (419)576-9200 AAAAAAAAAAAAAAAA -A A A A A A A 7 FLOW PROCESS FROM NODE 9717.00 TO NODE 9717.00 i; ;ODE >>>>>DES IGNATE INDEPENDENT STREAM FOR CnNFLU£NCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALU£3<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(nlNUTES) - 18.05 RAINFALL INTENSITY (INCH./HOUR) = 3.09 TOTAL STREAM AREA (ACRES) = 1.13 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.41 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 6.74 3.41 20 . 10 18.05 2.852 3.08 6 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 9.88 9.63 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 9.88 T IME (M INUTES) -= 20,100 TOTAL AREA(ACRES) = 3.57 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 107.00 TO NODE 107.00 IS CODE = 2 >>>>>RAT lONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< SOIL CLASSIFICATION IS °D" MULTI-UNITS DEVELOPMENT RUNOFF COEFFICIENT = .7000 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11 . 95(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 123.00 UPSTREAM ELEVATION = 2.10 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 1.10 100 YEAR RAINFALL INTENS ITY( INCH/HOUR• = 4.063 SUBAREA RUNOFF(CFS) = 0.28 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = •CITYOF CF/ZL^GAD °'/cF POUNTNEY i ASSOCIATES INC. BB)^A ^Bi Wth BBfTBT' CONSULTING ENGINEERS ^P^B^^BI BBI Wl WU Wij 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (419)574-9200 m''''' F/k^^FF^ AFF^PFT /^/PAD POUNTNEY i ASSOCIATES INC. BB)^A ^Bi Wth BBfTBT' CONSULTING ENGINEERS ^P^B^^BI BBI Wl WU Wij 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (419)574-9200 •wo " /?F CHK DATE //- 3a-3/ POUNTNEY i ASSOCIATES INC. BB)^A ^Bi Wth BBfTBT' CONSULTING ENGINEERS ^P^B^^BI BBI Wl WU Wij 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (419)574-9200 ,1, ^ .i .L .i. ,1. i. .1. i J,. . i. 4. -i- -i. -Ir ^ir -tr "j^ -/i; -i- Ar -lr Jf^ 'ir 'wr ^4; ?7Sn.00 IS CODE - 6 AAAAAAA 108., 10 ••= 0 . 0 2 0 0 9 7 FLOW PROCESS FROM NODE 107.00 TO NODE >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 129.00 DOWNSTREAM ELEVATION = STREET LENGTH (FEET) = 955.00 CURB HE IGTH ( INCHES ) b„ STREET HALFUIDTH(FEET) = 44.00 STREET CROSSFALL(DEC IMAL SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 2. STREET FLOWDEPTH(FEET) = 0.2B HALFSTREET FLOODW IDTH(FEET) = 7.31 AVERAGE FLOW VELOC ITY ( FEET/SEC . ) = 3 ., 1 2 PRODUCT OF DEPTHSVELOCITY = 0.88 STREETFLOW TRAVELTIME(MIN) = 5,11 TC(MIN) = 17,06 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 3,201 SOIL CLASSIFICATION IS D " MULTI-UNITS DEVELOPMENT RUNOFF COEFFICIENT .7000 SUBAREA AREA(ACRES) = 1.75 SUBAREA RUNOFF(CFS) = 3.92 SUMMED AREA(ACRES) = 1,35 TOTAL RUNOFF(CFS) = 4.21 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.34 HALFSTREET FLOODWIDTH(FEET) = 10.46 FLOW VELOCITY(FEET/SEC.) = 3.47 DEPTHAVELOCITY = 1,16 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 9756,00 TO NODE 9756.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<:<< 1 ARE: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 17.06 RAINFALL INTENSITY (INCH./HOUR) = 3.20 TOTAL STREAM AREA (ACRES) = 1.85 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4,.21 I I tUENT CITYOF CF/ZL$GAD OF /CFy PROJECT (wc FAU^/FFF AFF^FT/^AD ay ^ mm /fF CHK OAre //- 3iP'3A POUNTNEY S, ASSOCIATES INC. CONSULTING ENGINEERS 4455 *iURPHy CANVON ROAO SUITE 200 SAN OIEGO. CA 92123 (419) 574-9200 mmmmvmmw F i- 0 vJ PR 0 i: .j. .o- 'ir TI- -li; -ir "/i; j; E R (j (•i N iJ b E :) 3 3 „ 0 0 TO \i 0 D E 90 0- ^-RATIONAL METHOD INITIAL SUBAREA ANALYS I I.: 0 D E SO IL INDUSTRIAL DEVELOPMENT RUNOEE COEFFICIENT .9500 NATURAL WATERSHED NOMOGRAPH TIME OE CONCENTRATION WITH 10-MINUTES ADDED = 11 . 95(M INUTES) INITIAL SUBAREA FLOW -LENGTH(FEET) ^ 123.00 UPSTREAM ELEVATION 2.10 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 1 ,. 10 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) - 4.068 SUBAREA RUNOFF (CFS). = 0.39 - TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.59 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 9003.00 TO NODE 9756.00 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 112.10 DOWNSTREAM ELEVATION = 108.10 STREET LENGTH(FEET) = 836.60 CURB HE IGTH ( INCHES) = 6., STREET HALFWIDTH(FEET) = 44.00 STREET CROSSFALL(DEC IMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.88 STREET FLOWDEPTH(FEET) = 0,34 HALFSTREET FLOODW IDTH(FEET) = 10.46 AVERAGE FLOW VELOC ITY ( FEET/SEC . ) = 1,.55 PRODUCT OF DEPTHSVELOCITY = 0.52 ST.REETFLOW TRAVELT IME (M IN) = 8.98 TC(MIN) = 20.93 100 YEAR RAINFALL INTENS ITY-'( INCH/HOUR) = 2.787 SOIL CLASSIFICATION IS °D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 1.11 SUBAREA RUN0FF(CF3) = 2.94 SUMMED AREA(ACRES) = 1.21 TOTAL RUNOFF(CFS) = 3.33 END OF SUBAREA STREETFLOW HYDRAULICS;; DEPTH(FEET) = 0.39 HALFSTREET FLOODWIDTH(FEET) = 13.12 FLOW VELOCITY(FEET/SEC. ) = 1.81 DEPTHAVELOCITY = 0.70 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 9756.00 TO NODE 9756.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 20,93 RAINFALL INTENSITY (INCH./HOUR) - 2.79 TOTAL STREAM AREA (ACRES) = 1.21 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE -if 3 ,. 2A 1'"''' CITYOF CF^^GAD POUNTNEY s. ASSOCIATES INC. ^B>^A BBf ^BFf V!f ^BilBP^ CONSULTING ENGINEERS ^P^W^^BI WU WlWU UMI Wl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 m'''''' FAa)MA-F AFFIPFT ^/PAD POUNTNEY s. ASSOCIATES INC. ^B>^A BBf ^BFf V!f ^BilBP^ CONSULTING ENGINEERS ^P^W^^BI WU WlWU UMI Wl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 •wo m.0/4 " /?F CHK OAre //- 3^-3/ POUNTNEY s. ASSOCIATES INC. ^B>^A BBf ^BFf V!f ^BilBP^ CONSULTING ENGINEERS ^P^W^^BI WU WlWU UMI Wl 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 :A A A AAAAAA AAA AAAAA A A AAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAA AA:'k A AAAAAAA FLOW PROCESS FROM NODE 151.00 TO NODE 975G.00 IS CODE ^ 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER^-SPECIFIED VALUES ARE AS FOLLOWS: TCcMIN) = 15.00 RAIN INTENS ITY( INCH/HOUR) - 3,44 TOTAL AREA (ACRES) = 39.37 TOTAL RUNOFF (CFS) ••= 101,. 73 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 9756.00 TO NODE 9756.00 IS CODE 1 ;>>:>>>DESIGNATE INDEPENIiENT STREAM. FOR-CONFLU£NCE<<<<< »>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 15,00 RAINFALL INTENSITY (INCH./HOUR) = 3.44 TOTAL STREAM AREA (ACRES) =- 39,37 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 101.78 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 4.21 17.06 3.201 2 3.33 20.93 2.787 3 101.78 15.00 3.440 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 101.81 89.45 108.39 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 108.39 TIME(M INUTES) = 15.000 TOTAL AREA(ACRES) = 42,43 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 9756.00 TO NODE 9717.00 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 1.60 DOWNSTREAM NODE ELEVATION = 1.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 113.00 CHANNEL BASE (FEET) 6,00 °Z" FACTOR = 0.000 MANNINGS FACTOR = 0.015 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 108,39 FLOW VELOCITY ( FEET/SEC ) 8.42 FLOW DEPTH(FEET) - 2.14 TRAVEL TIME(MIN.) = 0.22 TC(MIN-> = 15.22 t"'"' CITYOF CFTZISGAD °' /07 POUNTNEY ASSOCIATES INC. ^Bt^A ^B/ Mil S!f ^Bf ^B^ CONSULTING ENGINEERS B^WB)BI WU Wl^BIWM\ SMf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (419) 574-9200 B""''''' FAU)^A^ AFFt)Fr ^^AD POUNTNEY ASSOCIATES INC. ^Bt^A ^B/ Mil S!f ^Bf ^B^ CONSULTING ENGINEERS B^WB)BI WU Wl^BIWM\ SMf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (419) 574-9200 Vwo m^H " /^F CHK DATE //-3a-3/ POUNTNEY ASSOCIATES INC. ^Bt^A ^B/ Mil S!f ^Bf ^B^ CONSULTING ENGINEERS B^WB)BI WU Wl^BIWM\ SMf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (419) 574-9200 1 I I I I I I I I I I I I I I I A AAA A A A A A A A A A A A A A A A AAAAAAAAAA A A A A A AAAA A A A A A A A A A A A A AAAAAAAAAAAAAA A A A A A A A A A A A A FLOW PROCESS FROM NODE 9717.00 TO NODE 9717.,00 IS CODE = 1 >>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE^ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE;; TIME OF CONCENTRATION(MINUTES) = 15,22 RAINFALL INTENSITY (INCH./HOUR) = 3,41 TOTAL STREAM AREA (ACRES) = 42.43 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 108.39 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 9717.00 TO NODE 9717.00 IS CODE = 7 ::--USER SPECIFIED HYDROLOGY INFORMATION AT NODE<' USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 20.10 RAIN INTENS ITY( INCH/HOUR) = 2.85 TOTAL AREA(ACRES) = 3,57 TOTAL RUNOFF(CFS) = 9.38 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 9717,00 TO NODE 9717.00 IS CODE = 1 >>>>::-DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES> = 20.10 RAINFALL INTENSITY (INCH./HOUR) = 2,85 TOTAL STREAM AREA (ACRES) = 3.57 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9,88 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 108.39 15.22 3.414 2 9.88 20.10 2.852 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 116.64 100.43 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 116.64 TIME(MINUTES) = 15.224 TOTAL AREA(ACRES) = 46.00 t'""' CITYOF CF/ZLSGAD POUNTNEY i ASSOCIATES INC. •Bi^Ak IHf ^Bff IVi CONSULTING ENGINEERS ^P^B^^B) BU WTWU^BI WJ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619) 574-9200 • FAU)/F)A^ AFF!PP^ P^/PAO POUNTNEY i ASSOCIATES INC. •Bi^Ak IHf ^Bff IVi CONSULTING ENGINEERS ^P^B^^B) BU WTWU^BI WJ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619) 574-9200 •wo mm jfF CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. •Bi^Ak IHf ^Bff IVi CONSULTING ENGINEERS ^P^B^^B) BU WTWU^BI WJ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619) 574-9200 I I I I I I I I I I t t I I I I 1- AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 9717.00 TO NODE 9717.00 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 1,10 DOWNSTREAM NODE ELEVATION = 1.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 13,00 CHANNEL BASE(FEET) = 6.00 °Z" FACTOR = 0,000 MANNINGS FACTOR = 0.015 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 116.64 FLOW VELOCITY(FEET/SEC) = 9,82 FLOW DEPTH(FEET) = 1.98 TRAVEL TIME(MIN,) = 0.02 TC(MIN.) = 15,25 END OF RATIONAL METHOD ANALYSIS i"'" CITYOF CF/ZI^GAD POUNTNEY s. ASSOCIATES INC. BBi^A ^Bf ^0f^Bf^0i^Hf^0> coNsuiriNc ENGINEERS B^BbBJBl WTBIBl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 Z"''^' FAU)/FPF^ AF/^FT ^/:7AD POUNTNEY s. ASSOCIATES INC. BBi^A ^Bf ^0f^Bf^0i^Hf^0> coNsuiriNc ENGINEERS B^BbBJBl WTBIBl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo •ag-0/4 " /fF CHK DATE //- 3a-3/ POUNTNEY s. ASSOCIATES INC. BBi^A ^Bf ^0f^Bf^0i^Hf^0> coNsuiriNc ENGINEERS B^BbBJBl WTBIBl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1981 HYDROLOGY MANUAL (C) Copyright 1982,1986 Advanced Engineering Software CAES: Especially prepared for: •^^ : - V- ; S Y M C -A S Symplified Computer Aided Services 3900 BIRCH ST., SUITE 105, NEWPORT BEACH CA., 92660 AAAAAAAAAADESCRIPTION OF RESULTSAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA iV PALOMAR AIRPORT ROAD 100 YEAR STORM EVENT A f COLLEGE.RES QN DISK A ^ PWO* 268-01-1 OCTOBER 2, 1987 A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION; USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADlENTS(DECIMAL) TO USE FOR FRICTION SLOPE RAINFALL-INTENSITY ADJUSTMENT FACTOR = 1.000 NUMBER OF CTIME,INTENSITY: DATA PAIRS = 11 = 0.90 1) 5. 000; 6 .980 2) 7. ooo; 5 .620 3) 10. ooo; 4 .470 4) 15. ooo; 3 .440 5) 20. 000; 2 .860 6) f S u w • ooo; n lit .470 7) 30. 000; 2 .200 8) 40. 000; 1 .830 9 ) 50. 000; 1 .580 10) 60. 000; 1 .410 11 ) 120. 000; 0 .900 SAN DIEGO HYDROLOGY MANUAL 'C"-VALUES USED Advanced Engineering Softw-are CAESD SERIAL No. K1702 VER. 3.3C RELEASE DATE: 2/20/86 t""' C/TYOF CmseAD °F/o POUNTNEY s. ASSOCIATES Mi^Bt ^V/ MF/ Wh Mi/ Mf CONSULTING ENGINEERS ^P^B^Bf WU BU^WUWL Wf 44S5 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 m°"" F/ku>/y//h? A/yf/^^FHAO POUNTNEY s. ASSOCIATES Mi^Bt ^V/ MF/ Wh Mi/ Mf CONSULTING ENGINEERS ^P^B^Bf WU BU^WUWL Wf 44S5 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 •wo m.0/4 " FF CHK DATE //- 3a'3/ POUNTNEY s. ASSOCIATES Mi^Bt ^V/ MF/ Wh Mi/ Mf CONSULTING ENGINEERS ^P^B^Bf WU BU^WUWL Wf 44S5 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (419)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 1.00 TO NODE 3.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS ''D' ~~~ INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION .. WITH 10-MINUTES ADDED = . 14.08(MINUTES) " INITIAL SUBAREA FLOW-LENGTH(FEET) =^;- 1000.00 ' UPSTREAM ELEVATION = 192.00 DOWNSTREAM ELEVATION = 105.00 ELEVATION DIFFERENCE = 87.00 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3,629 SUBAREA RUNOFF(CFS) = 31.58 TOTAL AREA(ACRES)- = 9.16 TOTAL RUNOFF(CFS) = 31.58 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3.00 TO NODE 3.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.08 RAINFALL INTENSITY (INCH./HOUR) = 3.63 TOTAL STREAM AREA (ACRES) = 9.16 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 31.58 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 2.00 TO NODE 3.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.95(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION = 200.00 DOWNSTREAM ELEVATION = 105.00 ELEVATION DIFFERENCE = 95,00 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.657 SUBAREA RUNOFF(CFS) = 31.44 TOTAL AREA(ACRES) = 9.05 TOTAL RUNOFF(CFS) = 31.44 tCLIENT CITYOF CFTZL^GAD °' /// PROjeCT F/k^/FFF AFF^FT ^£)AO IPWO m-oN sy /^F CHK DATE //- 3a'3? POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS 4455 MURPHY CANYON ROAD SUITE 200 SAN OIEGO, CA 92123 (419) 576-9200 A S S O C I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3.00 TO NODE 3.00 IS CODE = 1 >>>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<> >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE; TIME OF CONCENTRATION(MINUTES) = 13.95 RAINFALL INTENSITY (INCH./HOUR) = 3.66 TOTAL STREAM AREA (ACRES) = 9.05 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 31.44 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) (MIN.) INTENSITY ( INCH/HOUR) 1 n 31 .58 31 .44 14.08 13.95 3.629 3.657 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 62.78 62.78 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 62.78 T IME(M INUTES) = 14.083 TOTAL AREA(ACRES) = 18.21 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3.00 TO NODE 5.00 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 105.00 DOWNSTREAM NODE ELEVATION = 92.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 400.00 CHANNEL BASE(FEET) = 0.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = 0.030 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = FLOW VELOCITY(FEET/SEC) = 8.07 62.78 FLOW DEPTH(FEET) = 1 .97 TRAVEL TIME(MIN.) = 0.83 TC(MIN.) = 14.91 t"''' CITYOF CF/ZL^GAD °' //z POUNTNEY i ASSOCIATES INC- ^Bt^A ^B/ ^Mi9b^^i ^Bi^B^ CONSULTING ENGINEERS BP^B^BI WU Wl BBIBu 4455 MURPHY CANYON ROAD ASSOCIATE i SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 m''^' FAuP/iFPFh^ AFF^PFT /^AO POUNTNEY i ASSOCIATES INC- ^Bt^A ^B/ ^Mi9b^^i ^Bi^B^ CONSULTING ENGINEERS BP^B^BI WU Wl BBIBu 4455 MURPHY CANYON ROAD ASSOCIATE i SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 ""mm /?F CHK DATE //- 3a'3/ POUNTNEY i ASSOCIATES INC- ^Bt^A ^B/ ^Mi9b^^i ^Bi^B^ CONSULTING ENGINEERS BP^B^BI WU Wl BBIBu 4455 MURPHY CANYON ROAD ASSOCIATE i SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 I I I I FLOW PROCESS FROM NODE 5.00 TO NODE 5.00 IS CODE = 1 •>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE««< U E N C E V A L U E S IJ 1E n" FOR IN D E P E N D E N T ~ S T R E A M ~ ~ 1' A R E : 3.46 • TIME OF CONCENTRATION(MINUTES) = 14 91 RAINFALL INTENSITY (INCH./HOUR) = I I I I I I [ I I TOTAL STREAM AREA (ACRES) = 18.21 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 62.78 FLOW PROCESS FROM NODE 4.00 TO NODE 5.00 IS CODE = 2 >-^>>->RATIONAL METHOD INITIAL SUBAREA ANALYSIS<«« SOIL CLASSIFICATION IS 'D" =-============== INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13 . 02(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 750.00 UPSTREAM ELEVATION = 175.00 DOWNSTREAM ELEVATION = 95.00 ELEVATION DIFFERENCE = 80.00 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.847 SUBAREA RUNOFF(CFS) = 20.43 TOTAL AREA(ACRES) = 5.59 TOTAL RUNOFF(CFS) = 20.43 I I"""' CITYOF CF^^GAD °7/? POUNTNEY i ASSOCIATES INC. ^Bi^A ^Bf MI/4Bf^0f ^Bf^B^ CONSULTING ENGINEERS B'WB^Bv wU Wf^BI^B\ Wf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)574-9200 m'^"^' FAUP/FPF^ AFFUFT ^6PAO POUNTNEY i ASSOCIATES INC. ^Bi^A ^Bf MI/4Bf^0f ^Bf^B^ CONSULTING ENGINEERS B'WB^Bv wU Wf^BI^B\ Wf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)574-9200 J^F CHK OAre //- 3a'3/ POUNTNEY i ASSOCIATES INC. ^Bi^A ^Bf MI/4Bf^0f ^Bf^B^ CONSULTING ENGINEERS B'WB^Bv wU Wf^BI^B\ Wf 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)574-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5.00 TO NODE 5.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< '>>>>>AN D C 0 M P U TE - V A R10 US:C ON F L U EN CED STREAM V ALU E S < < < < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.02 RAINFALL INTENSITY (INCH./HOUR) = 3.85 TOTAL STREAM AREA (ACRES) = 5.59 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 20,43 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 9 62.78 20.43 14.91 13.02 3.459 3.847 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 81.15 76.87 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 81.15 TIME(M INUTES) = 14.909 TOTAL AREA(ACRES) = 23.80 END OF RATIONAL METHOD ANALYSIS mmmmwmmw 44UAMOTircA»ncNto4a lun leo wtmoacA9m favtsn.'noo •cmTfcunnmrtAssooAmK. SUMMARY TABLE FOR INLET CALCULATIONS SHEET OF 1/4 PVO# Z(^%^6>/-/ DATE //-^g-g7 by Je.f=: STATION NODE Q c. f. s. SLOPE 'I ?T. of TRANSITION DEPTH (Y) PER GUTTER & RDWY DISCHARGE VELOCITY CHART L= Q INLET SIZE 1 STATION NODE Q c. f. s. SLOPE 'I ?T. of TRANSITION DEPTH (Y) PER GUTTER & RDWY DISCHARGE VELOCITY CHART a= 0.33' INLET SIZE 1 /a /3 /z /3 i /7 /.(p /z /3 1 4Tpr20/^ )Z Abf^l 5 n {^or2o/J '5U/^P 4 /^t20S 6UMP • • 4 2.1 J. 3^ .^€? /, 3 ^fWAL 5UMP —; 4 6F^ttV5 4 • I.O 7 /.o /o // • • • ZP P3 . // /.CF /7 /3 /'(^ .31 /o /7 7 3 /7 ' 32 /D // / - 4 ?7f P.iijes $a/F)P — 6 6> RATIONAL METHOD COMPUTER OUTPUT ALTERNATE "A" DESIGN Page 115 CITYOF CFTZL^GAD °' //& POUNTNEY 3. ASSOCIATES INC. BBi^^flili ^•iMIf ^Bf^B^ CONSULTING ENGINEERS B'^B^^sl WU Wl WU9BI 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 W''' FAUP/FPF^ AFFIP^FT ^/:)AO POUNTNEY 3. ASSOCIATES INC. BBi^^flili ^•iMIf ^Bf^B^ CONSULTING ENGINEERS B'^B^^sl WU Wl WU9BI 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 ""m^N /^F CHK DATE //- 30'3/ POUNTNEY 3. ASSOCIATES INC. BBi^^flili ^•iMIf ^Bf^B^ CONSULTING ENGINEERS B'^B^^sl WU Wl WU9BI 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 I I I I I I H A T 10 N A L ii E T i-i 01! i-i Y Ii K 0 L 0 G Y COMPUTER P K 0 G R A M P A ij K A G E K e f e r 9 ri c G : SAN DIEGO (J (J U NIY FLOOD C (] N T R 0 L D J! b X f; i C T 1981 i-l Y D R G L 0 G Y MANUAL ( C ) C o p y r i 9 h t 1982,1986 A d v .3 n c e d E ri 9 i n e e r i n g S o f t w -a r e CAES: Especi-3lly prep-ared for: S Y M C A S Symplified Computer Aided Services 3900 BIRCH ST., SUITE 105, NEWPORT BEACH CA., 92660 AAAAAAAAAADESCRIPTION OF RESULT3AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA K PALOMARALT.RES ON DISK ALTERNATE ALIGNMENT DESIGN A A PALOMAR AIRPORT ROAD 26S-01-1 A NOVEMBER 19, 1937 RF A •AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA I I I I I I i 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 GRAD lENTS(DECIMAL) TO USE FOR FRICTION SLOPE = 0,90 RAINFALL-INTENSITY ADJUSTMENT FACTOR = 1.000 NUMBER OF CT IME , INTENS ITY] DATA PAIRS = 11 1) 5 .000; 6 . 980 2) 7 .000; 5 .620 3) 10 ,000; 4 .470 4 ) 15 .000; 3 . 440 5) 20 .000; 2 .860 6) 25 , 000; n . 470 7 ) 30 .000; .200 3) 40 . 000; 1 . 83 0 9 ) 50 .000; 1 ,580 10) 60 , 000; 1 .410 11 ) 120 .000; 0 .900 S A N DIEGO HYDROLOGY •VALUES USED A d V -Ti fl c e d Engineering S o f •t w a r e C A E S ::i SERIAL No. K17 0 2 VER. 3.3C RELEASE DATE: 2/20/86 1""' C/rrcF Cms£AD °'in POUNTNEY & AssociAiEs INC. IBi^A ^Bi ^BFf 4Blf BBi'^B^ CONSULTING ENGINEERS B'^B^BI WU Wl WUBl W^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . 1619)576-9200 POUNTNEY & AssociAiEs INC. IBi^A ^Bi ^BFf 4Blf BBi'^B^ CONSULTING ENGINEERS B'^B^BI WU Wl WUBl W^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . 1619)576-9200 •a>?.o/^ " FF CHK DATE //-3a'3/ POUNTNEY & AssociAiEs INC. IBi^A ^Bi ^BFf 4Blf BBi'^B^ CONSULTING ENGINEERS B'^B^BI WU Wl WUBl W^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . 1619)576-9200 AAAAAA A AAAAAAAA A AAAAAAAAAAAAAAAA;^;AAAAAAAAAAAAAAAAAAAA/-AA^::i;?^ FLOW PROCESS FROM NODE 3303„00 TO NODE 3240,00 IS CODE = >>>>>RATZONAL METHOD INITIAL SUBAREA ANALYSI3<<<<< SOIL CLASSIFICATION IS "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = ,8500 NATURAL.. WATER SHED NOMOGRAPH TIME. OE CONCENTRATION WITH 10-MINUTES ADDED = 14.32(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 110.00 UPSTREAM ELEVATION = 95,40 DOWNSTREAM ELEVATION = 95.30 ELEVATION DIFFERENCE = 0.10 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 3.580 SUBAREA RUNOFF(CFS) =0,30 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) -,30 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3240,00 TO NODE 3050,00 IS CODE = 6 •COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA^ UPSTREAM ELEVATION = 95.30 DOWNSTREAM ELEVATION = 94,00 STREET LENGTH(FEET) = 190,00 CURB HE IGTH(INCHES) = 6, STREET HALFWIDTH(FEET) = 43.00 STREET CROSSFALL(DECIMAL) =0,0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.26 STREET FLOWDEPTH(FEET) = 0.29 HALFSTREET FLOODWIDTH(FEET) = 8.31 AVERAGE FLOW VELOCITY(FEET/SEC . ) = 1.56 PRODUCT OF DEPTH&VELOCITY = 0.45 STREETFLOW TRAVELTIME(MIN) = 2.04 TC(MIN) = 16.36 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3,283 SOIL CLASSIFICATION IS "D° COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .3500 SUBAREA AREA(ACRES) = 0.68 SUBAREA RUNOFF(CFS) = 1,90 SUHMED AREA(ACRES) = 0,78 TOTAL RUNOFF(CFS) = 2,20 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.33 HALFSTREET FLOODWIDTH(FEET) = 10.25 FLOW VELOC ITY(FEET/SEC DEPTHAVELOCITY t"''' CITYOF CF^^GAD "'lie POUNTNEY i ASSOCIATES INC. i^Bt^A ^Bf SVf ^Bf^B^ CONSULTING ENGINEERS BB^BJ Bl WfBBI Bl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIEGO. CA 92123 . 1619)576-9200 m''''' FAUP^FF-F AF/^FT P^AO POUNTNEY i ASSOCIATES INC. i^Bt^A ^Bf SVf ^Bf^B^ CONSULTING ENGINEERS BB^BJ Bl WfBBI Bl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIEGO. CA 92123 . 1619)576-9200 ""mm /^F CHK DATE //- 3a-3/ POUNTNEY i ASSOCIATES INC. i^Bt^A ^Bf SVf ^Bf^B^ CONSULTING ENGINEERS BB^BJ Bl WfBBI Bl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN DIEGO. CA 92123 . 1619)576-9200 CONFLUENCE VALUES- USED-FOR INDEPENDENT STREAM I ARE: TIME OF C0NCENTRATI0N(MINUTE3) = 16,36 RAINFALL INTENSITY (INCH./HOUR) = 3-28 TOTAL STREAM AREA (ACRES) = 0,78 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 2,20 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3308.00 TO NODE 3240.00 IS CODE = 2 I I I I I I I A I I I I t [ I I I AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA; FLOW PROCESS FRui^ NODE 3050.00 TO NODE 3050,00 IS CODE = 1 >>>>>D£SIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< i 1 I ( I I • I • , .^j. .y. -RATIONAL METHOD INITIAL SUBAREA ANALYSIS' SOIL CLASSIFICATION IS °D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14 . 32(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 110.00 UPSTREAM ELEVATION = 95.40 DOWNSTREAM ELEVATION = 95.30 ELEVATION DIFFERENCE = 0.10 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 3.580 SUBAREA RUNOFF(CFS) = 0.30 .T.0TAL....AR£A.C.M:.RES.). = O..^I-0 T-OTAL RUNOFF (CFS) = 0.30 i"''' CITYOF CFTZL^GAD °'l/9 POUNTNEY i ASSOCIATES INC. W^\^^^Mi^Wi9b9Mii9i^9y CONSULTING ENGINEERS BP^B^BJ BU Wl WU Bl WT 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . 1619)576-9200 m'''' FAUP^Fi^ AFFIPFT ^/PPAD POUNTNEY i ASSOCIATES INC. W^\^^^Mi^Wi9b9Mii9i^9y CONSULTING ENGINEERS BP^B^BJ BU Wl WU Bl WT 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . 1619)576-9200 " /?F CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. W^\^^^Mi^Wi9b9Mii9i^9y CONSULTING ENGINEERS BP^B^BJ BU Wl WU Bl WT 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . 1619)576-9200 AAAAVTVVAAA; ELGui PRui '.'^ '/\ '.^ ^ ir , F RIJ M N 0 Ei E 9 4 „ 0 0 32 4 0 „ 00 TO N0 E 3050 -, 0 0 13 >>>>>COHPUTE STREETELOy TRAVELTIME THRU 3UBAREA<<<<< UPSTREAii ELEVATION ~ 95,.30 DOWNSTREAH ELEVATION STREET LENGTH (FEET) = 190.00 CURB HE IGTH ( INCHES ) -•= 6. STREET HALFWIDTH(EEET) = 43,00 STREET CROSSFALL(DECIMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF ^= 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.15 STREET FLOWDEPTH(FEET) = 0,28 HALFSTREET FLOODWIDTH(FEET) = 7.66 AVERAGE FLOW VELOCITY(FEET/SEC.) =. 1,63 PRODUCT OF DEPTHSVELOCITY =" 0.45 STREETFLOW TRAVELT IME(M IN) = 1.95 TC(MIN) = 16,27 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = ,293 SOIL CLASSIFICATION IS °D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = ,8500 SUBAREA AREA(ACRES) = 0.60 SUBAREA RUNOFF(CFS) SUMMED AREA(ACRES) = 0.70 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.32 HALFSTREET FLOODW IDTH(FEET) = FLOW VELOCITY(FEET/SEC,) = 1.91 DEPTHAVELOCITY = 1 ,68 1 .98 9.61 0.61 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3050,00 TO NODE 3050.00 IS CODE = 4 •>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA^ •>USING USER-SPECIFIED P IPES IZE<<<<< DEPTH OF FLOW IN 18,0 INCH PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 106,00 GIVEN PIPE DIAMETER( INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.52 6.5 INCHES 3.4 1 .53 1 .00 MANNINGS N = 0.013 13.00 NUMBER OF PIPES 1 .98 TC(MIN.) = 16.78 liieNr CITYOF CF/ZL^GAD OF IZo PROJECT FAa)/FPF^ AFF!PFr ^C)AD m-OH /?F CHK DATE //-3a-3A POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS J455 MURPHY CANYON ROAD SUITE 200 SAN OIEGO. CA 92123 1619) 576-9200 E L G U P R 0 C E 3 3 FROM NODE 3 0 5 0„0 0 T U NODE 3050. . O L U t:. >>>>>DE3 IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<^^-: >• ;:•• :>Ai'jii COMPUTE VARIOUS CONELUENCSD STREAii yALUE3<<<--: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM -2 ARE: TIME OF CONCENTRAT ION(MINUTES) = 16,78 RAINFALL INTENSITY (INCH./HOUR) = 3.23 TOTAL STREAM AREA (ACRES) = 0.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1,90 CONFLUENCE INFORMATION: . ' STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 2.20 1 .98 16 . 36 16.78 3,283 3.233 STREAMS RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 4.16 4.15 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) ^= 4.16 T IME (M INUTES) = 16.356 TOTAL AREA(ACRES) = 1.48 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3050.00 TO NODE 3050.00 IS CODE = 4 >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<< >USING USER-SPECIFIED P IPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 70,00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN,) = 0,28 4,1 1.35 1 ,00 MANNINGS N = 0,013 13.00 NUMBER OF PIPES 4.16 TC(MIN.) = 16.64 ILIENT CITYOF CF/ZL3GAD °' /Z/ PROJECT "wo FAUP^FFhF AFFC^FT ^/:)AD 8^ ^ m^H /\F CHK DATE //- 3a-3A POUNTNEY S. ASSOCIATES INC- CONSULTING ENGINEERS 4455 AiURRHy CANfON ROAO SUITE 200 SAN OIEGO. CA 92123 (619) 576-9200 mmmmmmw kAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3920.00 TO NODE 3920.00 IS CODE = 2 >>>>>RAT lONAL METHOD INITIAL SUBAREA ANALYS I3<<<<< SOIL CLASSIFICATION IS "D" RURAL DEVELOPi-iENT RUNOFF COEFFICIENT = ,4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.31(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 360,00 UPSTREAM•ELEVATION = • 140.00- DOWNSTREAM ELEVATION = 133.00 ELEVATION DIFFERENCE = 7.00 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 3.783 SUBAREA RUNOFF(CFS) = 0,85 TOTAL AREA(ACRES) = 0,50 TOTAL RUNOFF(CFS) = 0.35 lAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3920.00 TO NODE 3920.00 IS CODE = 1 •^DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.31 RAINFALL INTENSITY (INCH./HOUR) = 3.79 TOTAL STREAM AREA (ACRES) = 0.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 0.85 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA I FLOW PROCESS FROM NODE 3920.00 TO NODE 3920.00 IS CODE = 2 >>RATIONAL METHOD INITIAL SUBAREA ANALYSIS- SOIL CLASSIFICATION IS °D° RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 1 4.60(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 560.00 UPSTREAM ELEVATION = 12.20 DOWNSTREAM ELEVATION = 1.00 ELEVATION DIFFERENCE = 11,20 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 3.522 SUBAREA RUNOFF (CFS-)- = - 1,01- TOTAL AREA (ACRES) = 0.64 TOTAL RUNOFF (CFS) 1.01 CITYOF CFTZL^GAD POUNTNEY i ASSOCIATES INC. I9\^^ ^Bf MV/ 9bBBf CONSULTING ENGINEERS 'B^^B^^BI WU Wl WU WU Wl 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 w''^' FAU)^FF AF/^FT ^DAD POUNTNEY i ASSOCIATES INC. I9\^^ ^Bf MV/ 9bBBf CONSULTING ENGINEERS 'B^^B^^BI WU Wl WU WU Wl 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 W^o mFii-i " FF CHK DAre //- 3a-3/ POUNTNEY i ASSOCIATES INC. I9\^^ ^Bf MV/ 9bBBf CONSULTING ENGINEERS 'B^^B^^BI WU Wl WU WU Wl 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 1 I I I I I I I I I f I I I I I "I ?K A ?\ '/^ JK y-. 'F. TK ?r 'F, y-. '.^ y-. F. .-K v\ 'F. F. : FL(JW PROCESS ER(JM NODE 3920 „ 00 TO HQIJE 0 0 13 ..^ ..^ ..^^.,,. ^ ; AAAAAA 1 >>>>>D£S IGNATE INDEPENDENT STREAil FOR CUNELUENCE<<<<' >>>>>AND CUi'iPUTE VARIOUS CONFLUENCED STREAM VALUES<<' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE; TIME OF CONCENTRAT ION(MINUTES) = 14,60 RAINFALL INTENSITY (INCH./HOUR) = 3.52 TOTAL STREAM AREA (ACRES) = 0,64 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1,01 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN,) (INCH/HOUR) 0, 85 1,01 13.31 14.60 3.788 3,522 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 1.80 1,81 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) -= 1.81 T IME (M INUTES) = 14,601 TOTAL AREA(ACRES) = 1.14 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3920,00 TO NODE 3920.00 IS CODE = 4 -COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA' -USING USER-SPECIFIED P IPES IZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 2.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 125.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0,22 = 9.6 13.25 1 ,00 MANNINGS N = 0,013 18,00 NUMBER QF PIPES 1,31 TC(MIN,) = 14,82 I'""" CITYOF CF/ZL3GAD POUNTNEY i ASSOCIATES INC. i^i^mi^mi^m •H CONSULTING ENGINEERS B^^B^BIBl WfBIBI Wf 445S MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619) 576-9200 w''"' FAUP^FF AFFi7Fr ^6)AD POUNTNEY i ASSOCIATES INC. i^i^mi^mi^m •H CONSULTING ENGINEERS B^^B^BIBl WfBIBI Wf 445S MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619) 576-9200 Bwo m-/)N " /?F CHK DATE //-3a'3/ POUNTNEY i ASSOCIATES INC. i^i^mi^mi^m •H CONSULTING ENGINEERS B^^B^BIBl WfBIBI Wf 445S MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619) 576-9200 1 1 I I I I IA AAAA A .7^: A A A A AAAAAAAA A A A A FLOW PROCESS FROM NODE 3920.00 TO NODE 3920.00 IS CODE >>>>>DES IGNATE INDEPENDENT STREAM FOR CuNFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRAT ION(MINUTES) = 14.82 RAINFALL INTENSITY (INCH./HOUR) = 3.43 TOTAL STREAM AREA (ACRES) = 1,14 TOTAL STREAM T^-UNOFF-(CFS') AT CONFLUENCE . = . 1,81 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3308,00 TO NODE 3375,00 IS CODE = 2 AAA I i I I I >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< SOIL CLASSIFICATION IS "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .3500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12 . 27(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 67.00 UPSTREAM ELEVATION = 95.40 DOWNSTREAM ELEVATION = 95-28 ELEVATION DIFFERENCE = 0.12 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 4.002 SUBAREA RUNOFF(CFS) = 0,34 TOTAL AREA(ACRES) = 0,10 TOTAL RUNOFF(CFS) = I I I I VENT CITYOF CF/ZL^GAD PROjecr FALO/FPFh^ AFPPFT ^OAD 8^ ^ m^N /TA CHK OAre //- 3a'3A POUNTNEY I ASSOCIATES INC- CONSULTING ENGINEERS -1455 MURPHY CANYON ROAO SUITE 200 SAN OIEGO, CA 92123 (619) 576-9200 mmwmwmmw ;AAAAAAAAAAAAAAAAAA;i;A;i::4;^;l;-.l;v!r- ELuUi PROCESS FROM NODE 33 ; *.'c 'T '"r 'Jr -"• vV 'ff 'K' '/r :>•- ".'c 00 T G NODE 3 9 2 0 „ 0 0 '!' 3 !• 7>. 'I'l- -jr -ir 'ir -Jf -i^ -h^ -l)^ -it- -h' 4r ^ -}r -i^- -ii; -xt- -jr -ji* ;CDE = b >>>>>U0MPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION --= 95,. 2S DOyNSTREAM ELEVATION = 89-65 STREET LENGTH(FEET) = 545.00 CURB HE IGTH(INCHES) = 6. STREET HALFW IDTH (FEET) = 43-00 STREET CROSSE ALL ( DEC IMAL ) -=0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 2.35 STREET FLOWDEPTH(FEET) = 0-32 HALFSTREET . FLOODW.IDTH (FEET) . = ,9.61 . AVERAGE FLOW VELOC ITY(FEET/SEC.) =2,26 PRODUCT OF DEPTHSVELOCITY = 0.72 STREETFLOW TRAVELT IME(M IN) = 4,02 TC(MIN) = 16.29 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.290 SOIL CLASSIFICATION IS "D° COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = ,,8500 SUBAREA AREA(ACRE3) = 1.43 SUBAREA RUNOFF(CFS) = 4.00 SUMMED AREA(ACRES) = 1.53 TOTAL RUNOFF(CFS) = 4.34 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.37 HALFSTREET FLOODWIDTH(FEET) = 12,20 FLOW VELOCITY(FEET/SEC. ) = 2.70 DEPTHAVELOCITY = 1,00 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3920.00 TO NODE 3920,00 IS CODE = 1 »>>>DE3 IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE; TIME OF CONCENTRATION(MINUTES) = 16.29 RAINFALL INTENSITY (INCH./HOUR) = 3.29 TOTAL STREAM AREA (ACRES) = 1,53 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4-34 tilENT CITYOF CF/ZL3GAD 12^ PROJECT ^^O FAUP/FPFh^ AFF!PFr ^£)AO 3^ uO m-/)i-i J\F CHK DATE //-3a-3A POUNTNEY S. ASSOCIATES INC- CONSUITING ENGINEERS .1455 AiURPHy CANVON ROAO SUITE 200 SAN OIEGO- CA 92123 (619) 576-9200 9>mmmvmmw -/t- .J,^ ^i- -A- .J,. • •••! .i. .1 .1 .i. .,v 4-. AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA: FLOW PROCESS FROM NODE 3303-00 TO NODE 3375-00 IS CODE >>>>>RATlONAL METHOD INITIAL SUBAREA ANALYS IS<<<<< BOIL CLASSIFICATION IS "D" COMMERCIAL DEVELOPiiENT RUNOFF COEFFICIENT = .8500 NATURAL WATERSHED NOMOGRAPH TIME OE CONCENTRATION WITH 10-MINUTES ADDED = 12.27(MINUTES). INITIAL SUBAREA FLOW-LENGTH(FEET) = 67,00 UPSTREAM ELEVATION = 95.40 DOWNSTREAM ELEVATION- = 95,28 ELEVATION DIFFERENCE = 0.12 100 YEAR RAINFALL INTENS ITY(INCH/HOUR) = 4.002 SUBAREA RUNOFF(CFS) = 0.34 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) = 0.34 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3375.00 TO NODE 3920,00 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<< UPSTREAM ELEVATION = 95.28 DOWNSTREAM ELEVATION = 89.65 STREET LENGTH(FEET) = 545.00 CURB HE IGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 43.00 STREET CROSSFALL(DECIMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3.98 STREET FLOWDEPTH(FEET) = 0-37 • HALFSTREET FLOODWIDTH(FEET) = 12,20 AVERAGE FLOW VELOCITY(FEET/SEC,) = 2.48 PRODUCT OF DEPTH&VELOCITY = 0.92 STREETFLOW TRAVELT IME(MIN) = 3.67 TC(MIN) = 15.94 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3,331 SOIL CLASSIFICATION IS "D° COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = -8500 SUBAREA AREA(ACRES) = 2.55 SUBAREA RUNOFF(CFS) = 7.22 SUMMED AREA(ACRES) = 2.65 TOTAL RUNOFF(CFS) = 7.56 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.44 HALFSTREET FLOODW IDTH(FEET) = 15,44 FLOW VELOC ITY(FEET/SEC, ) = 3.02 DEPTHAVELOCITY = 1.31 t"''' CITYOF CF^/ZL^GAD °'/Z^ POUNTNEY ASSOCIATES INC- fllt^^^Bl Mil 9b ^Mi ^Bi^B^ CONSULTING ENGINEERS BP^B^BI wUWi BBIBIW^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 • FAa)/FPF^ AFF^PPFT P^/PAO POUNTNEY ASSOCIATES INC- fllt^^^Bl Mil 9b ^Mi ^Bi^B^ CONSULTING ENGINEERS BP^B^BI wUWi BBIBIW^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 ""mm CHK DATE //- 3a ^3? POUNTNEY ASSOCIATES INC- fllt^^^Bl Mil 9b ^Mi ^Bi^B^ CONSULTING ENGINEERS BP^B^BI wUWi BBIBIW^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3920,00 TO NODE 3920.00 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED P IPES IZE<<<<< DEPTH OF FLOW IN 16.0 INCH PIPE IS 11,7 INCHES PIPEFLOW VELOCITY(FEET/SEC. ) = 6-2 UPSTREAM NODE ELEVATION = 2.06 DOWNSTREAM NODE ELEVATION = 1,00 .FLOWLENGTH(FEET) = 106.00 MANNINGS N = 0-013 GIVEN PIPE DIAMETER( INCH) = 13-00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 7.56 TRAVEL TIME(MIN.) = 0,28 TC(MIN.) = 16,22 ['cAAAAAAAAA AAAAA AAA A AAA AAAAA A AAAAAAAAAAAAAAAAAAAAAAAAAA AAA AAAA A A AAAAAA AAAA AAA FLOW PROCESS FROM NODE 3920,00 TO NODE 3920.00 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) = 16,22 RAINFALL INTENSITY (INCH./HOUR) = 3.30 TOTAL STREAM AREA (ACRES) = 2.65 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.56 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 9 1.81 4.34 7.56 14 .82 16.29 ' 16.22 3.477 3.290 3.298 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 13 . 08 13, 60 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 13,60 T IME(M INUTES) = 16,223 TOTAL AREA(ACRES) = 5-32 C/TYCFCmsa4D I °'IZ7 PROJECT FAUf/FpFhF AFFUFT P^AO 8^ ^ mm J\F CHK DATE //-3a'3A POUNTNEY i ASSOCIAlES INC. CONSULTING ENGINEERS 4455 «URPHy CANVON ROAO SUITE 200 SAN OIEGO. CA 92123 (619) 576-9200 AAAAAAAAAAAAAAAAAAAAAA?VAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3920-00 TO NODE 4300,00 IS CODE 4. •COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA' •USING USER-SPECIFIED P IPES IZE<<<<< 9-0 8.80 DEPTH OF FLOW IN 18-0 INCH PIPE IS PIPEFLOW VELOCITY(FEET/SEC-) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 396-00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.73 14.3 INCHES 1 . 00 MANNINGS N = 0.013 18.00 NUMBER OF PIPES 13.60 TC(MIN.) = 16-95 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4300-00 TO NODE 4300.00 IS/ CODE = 1 >>>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16-95 RAINFALL INTENSITY (INCH./HOUR) = 3.21 TOTAL STREAM AREA (ACRES) = 5-32 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.60 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 22.00 TO NODE 4300-00 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE'^^•^<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 27.70 RAIN INTENS ITY( INCH/HOUR) = 2.32 TOTAL AREA(ACRES) = 135.58 TOTAL RUNOFF(CFS) = 289.11 CITYOF CFTZL^GAD °'/Z3 POUNTNEY i. ASSOCIATES INC. ilBi^M ^Bl ^Bf ^m.-^mr, CONSULTING ENGINEERS B^BBI Bl WlBIBI 4455 AiuRPHy CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 w"''^' FAUP/FPA^ AFFt)Fr ^/:)A0 POUNTNEY i. ASSOCIATES INC. ilBi^M ^Bl ^Bf ^m.-^mr, CONSULTING ENGINEERS B^BBI Bl WlBIBI 4455 AiuRPHy CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo " FF CHK DATE //-3a-3/ POUNTNEY i. ASSOCIATES INC. ilBi^M ^Bl ^Bf ^m.-^mr, CONSULTING ENGINEERS B^BBI Bl WlBIBI 4455 AiuRPHy CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 FL0y pR(JC£33 FROM NODE 4300 „ 00 TO NODE 4300.00 I; . .1. .i. . ODE >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 27.70 RAINFALL INTENSITY (INCH-/HOUR) = 2.52 TOTAL STREAM AREA (ACRES) = 135.58 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 289.11 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR). 1 ••;) 13.60 289.11 16.95 27. 70 3-213 2.324 RAINFALL-INTENSITY-RAT 10 CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 222.71 298.95 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF ( CFS ) .._= 298.-_95...__ T..I.ME.(.M.INUTES.) _= 2-7-..Z0-3- TOTAL AREA(ACRES) = 140.90 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4300.00 TO NODE 4300.00 IS CODE = 4 >>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<< >>>>USINQ USER-SPECIFIED P IPES IZE'V:<<<< DEPTH OF FLOW IN 60.0 INCH PIPE IS 48.2 INCHES PIPEFLOW VELOC ITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 125.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.12 = 17.7 2.90 1 .00 MANNINGS N = 0,013 60.00 NUMBER OF PIPES = 298.95 TC(MIN.) = 27.82 I"""' CITYOF CFTZISGAD /Z9 PGUNTNEY i ASSOCIATES INC. JBt^A BBf ^Mi9b^Ki ^Bf ^B^ CONSULTING ENGINEERS B'Bi^BJBBI WfBB\ UBI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 m''"' FAU)^AF AFFiPFrp^AO PGUNTNEY i ASSOCIATES INC. JBt^A BBf ^Mi9b^Ki ^Bf ^B^ CONSULTING ENGINEERS B'Bi^BJBBI WfBB\ UBI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •VO mm CHK DATE //- 3a'3/ PGUNTNEY i ASSOCIATES INC. JBt^A BBf ^Mi9b^Ki ^Bf ^B^ CONSULTING ENGINEERS B'Bi^BJBBI WfBB\ UBI Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PR (j CESS FROM NODE 3 920-00 TO NODE 3937.00 IS CODE - 2 • AA •RATIONAL METHOD INITIAL SUBAREA AHA) IS' 3.293 SOIL CLASSIFICATION 13 "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 67-00 UPSTREAM ELEVATION = 88.80 DOWNSTREAM ELEVATION = 87,80 ELEVATION DIFFERENCE = 1.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = TIME OF CONCENTRATION ASSUMED AS 5-MINUTES 100 YEAR RAINFALL INTENSITY ( INCH/HOUR) = 6,980 SUBAREA RUNOFF(CFS) = 0.59 TOTAL AREA(ACRES) = 0.10 TOTAL.RUNOFF(CFS) AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 3987-00 TO NODE 4620.00 IS CODE = 6 >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA- UPSTREAM ELEVATION = 87,80 DOWNSTREAM ELEVATION = 72.30 STREET LENGTH(FEET) = 633.00 CURB HE IGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 43.00 STREET CROSSFALL(DEC IMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3.65 STREET FLOWDEPTH(FEET) = 0.32 HALFSTREET FLOODW IDTH(FEET) = 9.61 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.51 PRODUCT OF DEPTH&VELOCITY = 1.12 STREETFLOW TRAVELTIME(M IN) = 3.01 TC(MIN) = 3.01 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.234 SOIL CLASSIFICATION IS °D° COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA AREA(ACRES) = 1.37 SUBAREA RUNOFF(CFS) = 6.09 SUMMED AREA(ACRES) = 1.47 TOTAL RUNOFF(CFS) = 6.69 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.37 HALFSTREET FLOODW IDTH(FEET) = 12.20 FLOW VELOCITY(FEET/SEC. ) = 4-16 DEPTHAVELOCITY = 1.54 I"'"" CITYOF CFTZI^GAD °'I3D POUNTNEY i ASSOCIATES INC. flil^ft IBl^V/Mlf^VlflBflB^ CONSULTING ENGINEERS B'^BDBIBU WlWUBl WT 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 m°''^' FAUPUPFh^ AFF^FT^/PAO POUNTNEY i ASSOCIATES INC. flil^ft IBl^V/Mlf^VlflBflB^ CONSULTING ENGINEERS B'^BDBIBU WlWUBl WT 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo mm " /^F CHK DATE //- 3fP'3/ POUNTNEY i ASSOCIATES INC. flil^ft IBl^V/Mlf^VlflBflB^ CONSULTING ENGINEERS B'^BDBIBU WlWUBl WT 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 1 1 I I I I 1 I I I I I I I I I AAAAAA?kA;^AAAAAA7^AAAAAAAAAAAAAAAA*A7^AAAAA-A-A*AAv FLOW PROCESS EROh NODE 4620,, 00 TO NuEiE 46; ;AAAAAAAAAAAAAAAAAAAAAAAA^ 00 IS CODE 1 >>>>>DES IGNATE INDEPENDENT STREAM FOR CONELUENCE<<<<- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRAT ION(MINUTES) = 8-01 RAINFALL INTENSITY (INCH./HOUR) = 5-23 TOTAL STREAM AREA (ACRES) = 1.47 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 6-69 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 31.00 TO NODE 4620.00 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.08 RAIN INTENS ITY( INCH/HOUR) = 3.84 TOTAL AREA(ACRES) = 5.20 TOTAL RUNOFF(CFS) = 13.15 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4620.00 TO NODE 4620.00 IS CODE = 1 >>>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<'^<<< >>::-->>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES-^-^<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 13,08 RAINFALL INTENSITY (INCH,/HOUR) = 3.84 TOTAL STREAM AREA (ACRES) = 5,20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = ARE; 18.15 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) (MIN.) INTENSITY (INCH/HOUR) 6.69 18.15 8.01 13.08 836 RAINFALL-INTENSITY-RAT 10 CONFLUENCE FORMULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 19.99 23-05 COMPUTED CONFLUENCE ESTIMATES ARE A3 FOLLOWS: RUNOFF(CFS) = 23,05 T IME(M INUTES ) = 13.080 TOTAL AREA(ACRES) = 6-67 2 STREAMS 1"''' CITYOF CF/ZL^GAD 73/ POUNTNEY & ASSOCIATES INC. BBi^A —, ^m. ^m. ^m.^mr. CONSULTING ENGINEERS B'^B^BI wU Wl BU BBI Wf 4455 MURPHY CANYON ROAO A S S 0 C I A T r i SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 m'^""' FAUP/FPFh^ AFFPFT ^/:)AO POUNTNEY & ASSOCIATES INC. BBi^A —, ^m. ^m. ^m.^mr. CONSULTING ENGINEERS B'^B^BI wU Wl BU BBI Wf 4455 MURPHY CANYON ROAO A S S 0 C I A T r i SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •vo m-oH /fF CHK OAre //-3a-3/ POUNTNEY & ASSOCIATES INC. BBi^A —, ^m. ^m. ^m.^mr. CONSULTING ENGINEERS B'^B^BI wU Wl BU BBI Wf 4455 MURPHY CANYON ROAO A S S 0 C I A T r i SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •1^ A A A A A A A A. .A A A A A A .A A A A A A .A A A A A -*• A A A A .A A •''• •'•• A A A A -A A •••^ •"• A A A A A A FLOW PROCESS FROM NODE 4631-00 TO NODE 4631-00 13 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAR.EA<<<<< >>>>>USING USER-SPECIFIED P IPES IZE<<<<< ; (J D E AAAAAAAAAA 4 PIPEFLOW VELOC ITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 106.00 GIVEN PIPE D lAMETER( INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.24 2-20 1 . 0 0 MANNINGS N = 0.013 !4.00 NUMBER OF PIPES 23,05 TC(MIN.) = 13-32 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4631-00 TO NODE 4631,00 IS CODE = 1 >>>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13-32 RAINFALL INTENSITY (INCH./HOUR) = 3,79 TOTAL STREAM AREA (ACRES) = 6.67 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 23.05 FLOW PROCESS FROM NODE 3920.00 TO NODE 3987.00 IS CODE >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<-;< SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 67.00 UPSTREAM ELEVATION = 88.80 DOWNSTREAM ELEVATION = 87.80 ELEVATION DIFFERENCE = 1.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M INUTES) = TIME OF CONCENTRATION ASSUMED AS 5-MINUTES 100 YEAR RAINFALL INTENS ITY(INCH/HOUR) = 6.980 SUBAREA RUNOFF(CFS) = 0-66 TOTAL AREA(ACRES) = 0-10 TOTAL RUNOFF(CFS) 2.005 0 - 6 6 i""' CITYOF CF/ZISGAD °'/3Z_j POUNTNEY & ASSOCIATES INC. IBi^ft ^Mi ^Wi 9b^Mf BBJ9/^' CONSULTING ENGINEERS B'^BBI WU Wl WU Wsl W^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 m''^' F/U^F^ AFF^PFT ^£7AO POUNTNEY & ASSOCIATES INC. IBi^ft ^Mi ^Wi 9b^Mf BBJ9/^' CONSULTING ENGINEERS B'^BBI WU Wl WU Wsl W^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 •wo m-oN CHK DATE //-3a'3/ POUNTNEY & ASSOCIATES INC. IBi^ft ^Mi ^Wi 9b^Mf BBJ9/^' CONSULTING ENGINEERS B'^BBI WU Wl WU Wsl W^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619)576.9200 -, I i •,••" •,'•, fiii PK'nrE33 FROM NuDE 39; 7-00 TU NODE >>>>>CnMpUTE STREETFLOW TRAVELTIME THRU 3UBAREA<<<<< UPSTREAM ELEVATION = 87.80 DOWNSTREAM ELEVATION = STREET LENGTH(FEET) = 644.00 CURB HEIGTH(INCHES) = b- STREET HALFWIDTH(FEET) = 43.00 STREET CROSSFALL(DEC IMAL SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLuiAi(CFS) = 4, STREET FLOWDEPTH(FEET) = 0-33 HALFSTREET FLOODW IDTH(FEET) = 10-25 AVERAGE FLOW VELOC ITY(FEET/SEC.) = 3-61 PRODUCT OF DEPTHSVELOCITY = 1,20 STREETFLOW TRAVELT IME(M IN ) = 2.97 TC(MIN) = 7.97 OliOO 4 7 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = -9500 SUBAREA AREA(ACRES) = 1-42 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 1,52 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0,40 HALFSTREET FLOODWIDTH(FEET) = ]3 FLOW VELOCITY(FEET/SEC.) = 3.99 DEPTHAVELOCITY = 7.08 7.74 50 1 ,58 • AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4631,00 TO NODE 4631-00 IS CODE = 1 >>>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<'^^: >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE TIME OF CONCENTRATION(MINUTES) = 7,97 RAINFALL INTENSITY (INCH,/HOUR) = 5,25 TOTAL STREAM AREA (ACRES) = 1.52 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.74 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 23.05 7.74 13.32 7 . 97 3.786 5.247 RAINFALL-INTENSITY-RAT 10 CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 23,64 24-37 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 28.64 T IME(M INUTES) = 13,321 TOTAL AREA(ACRES) = 3.19 I"""' CITYOF CFTZI^GAD °'I3^ POUNTNEY ASSOCIATES INC. flii^A^fll/ ^W\ 9bi^V/ KBiWf^ CONSULTING ENGINEERS BP^B^^BI WU Wl WU 1^1 W^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92)23 . (619)576-9200 'm^''' FAUP^FFh^ AFFIPFT /^/PAO POUNTNEY ASSOCIATES INC. flii^A^fll/ ^W\ 9bi^V/ KBiWf^ CONSULTING ENGINEERS BP^B^^BI WU Wl WU 1^1 W^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92)23 . (619)576-9200 mm BY Y?F CHK DATE //- 3a'3/ POUNTNEY ASSOCIATES INC. flii^A^fll/ ^W\ 9bi^V/ KBiWf^ CONSULTING ENGINEERS BP^B^^BI WU Wl WU 1^1 W^ 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92)23 . (619)576-9200 -A A -A A "•'k A A •-''• A A A A A A A A .A A. A .A A .A; FLOW PROCESS FROM NODE A A A * A. ; AAAA AAAAAAAAAAAAAAAAAA 46; 0 TO NODE 4631-00 IS CODE •- >>:-;>;>COHPUiE PIPEFLOW TRAVELTIME THRU bUBAREA<<<^ >>>;:^>U3 ING USER-SPECIFIED P IPES IZE<<'<<< PIPEFLOW VELOC ITY(FEE; !EC. UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLEHGTH(FEET) = 15.00 GIVEN PIPE DlAMETER( INCH) = PIPEFLOW THRU SUBAREA(CFS) - TRAVEL TIME(MIN. ) =• 0.03 1 .26 1.00- MANNINGS N = 0-013 24.00 NUMBER OF PIPES = • 28.64 . TC(MIN. ) •= 13.35 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4631,00 TO NODE 4698.00 IS CODE = 2 •RATIONAL METHOD INITIAL SUBAREA ANALYSIS-^- SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 67.00 UPSTREAM ELEVATION = 72,30 DOWNSTREAM ELEVATION = 71.00 ELEVATION DIFFERENCE = 1,30 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = TIME OF CONCENTRATION ASSUMED AS 5-MINUTES 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 6.980 SUBAREA RUNOFF(CFS) = 0,66 TOTAL AREA(ACRES) = - 0,10 TOTAL RUNOFF(CFS) 1 ,875 0 .66 t"''' CITYOF CF^FL^GAD °'I34 POUNTNEY i ASSOCIATES INC. flii^ft AB/ 9b ^Wl 191^9^ CONSULTING ENGINEERS WT^BBIBBIWIBIBIW^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576-9200 m'^^' FAU)/FPF^ AFFc}Fr ^F)AD POUNTNEY i ASSOCIATES INC. flii^ft AB/ 9b ^Wl 191^9^ CONSULTING ENGINEERS WT^BBIBBIWIBIBIW^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576-9200 •vo m^i4\ J^F CHK DATE //-3a-3/ POUNTNEY i ASSOCIATES INC. flii^ft AB/ 9b ^Wl 191^9^ CONSULTING ENGINEERS WT^BBIBBIWIBIBIW^ 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN DIECO. CA 92123 . (619)576-9200 •k A -jr -r k A' A 7^. '^f '.' AA A?^ FLOW PROCESS FROM NODE 4637.00 TO NODE 49JD„UU >>>>>COMPUTE STREETFLOW TRAVELTIME THRU 3UBAREA< ,- -i- -t -i- -t p.- -i: •ir ^ -ir -jr • :t A A A ; n r, A A A A A A. A A .A A A A A A A A .A A CODE = b A I- 6 9-30 =0.0200 UPSTREAM ELEVATION = 71,00 DOWNSTREAM ELEVATION = STREET LENGTH(FEET) = 237.00 CURB HEIGTH(INCHES) = 6- STREET HALFWIDTH(FEET) = 43.00 STREET CROSSFALL(DEC IMAL SPECIFIED NUMBER OF.HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1,1 STREET FLOWDEPTH(FEET ) = 0-31 HALFSTREET FLOODW IDTH(FEET) = 8,96 AVERAGE FLOW VELOCITY(FEET/SEC,) = 1.72 PRODUCT OF DEPTHSVELOCITY = 0.52 STREETFLOW TRAVELT IME(M IN ) = 2.30 TC(MIN) = 7-30 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 5.505 SOIL CLASSIFICATION IS -D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 0.35 SUBAREA RUNOFF(CFS) = SUMMED AREA.( ACRES.) = 0.45 TOTAL . RUNOFF ( CFS ) = - - END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.34 HALFSTREET FLOODWIDTH(FEET) = 10.90 FLOW VELOCITY(FEET/SEC.) = 1.91 DEPTHAVELOCITY = 0.66 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4935.00 TO NODE 4935.00 IS CODE = 1 1 ,83 2,49 »>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE--.. --; <<• CONFLUENCE VALUES USED FOR INDEPENDENT STREAM- 1 ARE TIME OF CONCENTRATION(MINUTES) = 7.30 RAINFALL INTENSITY (INCH./HOUR) = 5,51 TOTAL STREAM AREA (ACRES) = 0.45 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.49 • CITYOF CFTZI^GAD °7^^ POUNTNEY ASSOCIATES INC. Mi^fti^V/ ^B/ 9b^Ki I9i9^ CONSULTING ENGINEERS BPB/B) WU Wl WU WU Wf 4455 MURPHY CANYON ROAO ASSOCIAICJ SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 m°''^' FAOP/FPFh^ AFFIPFT^6)AD POUNTNEY ASSOCIATES INC. Mi^fti^V/ ^B/ 9b^Ki I9i9^ CONSULTING ENGINEERS BPB/B) WU Wl WU WU Wf 4455 MURPHY CANYON ROAO ASSOCIAICJ SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo " /?F CHK DAre //-3a ^3/ POUNTNEY ASSOCIATES INC. Mi^fti^V/ ^B/ 9b^Ki I9i9^ CONSULTING ENGINEERS BPB/B) WU Wl WU WU Wf 4455 MURPHY CANYON ROAO ASSOCIAICJ SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 11(1 :AAAA AAAA; FLOW PROCESS FROM NODE 5598.00 TO NODE »>>>RAT lONAL METHOD INITIAL SUBAREA ANALYSIS< SOIL CLASSIFICATION 13 1.1 INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .,9500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10~MINUTES ADDED = 11 - 29(M INUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 123-00 UPSTREAM ELEVATION = 4.20 DOWNSTREAM ELEVATION = 1-00 ELEVATION DIFFERENCE = 3-20 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 4-203 SUBAREA RUNOFF(CFS) = 0.40 TOTAL AREA(ACRES) = 0,10 TOTAL RUNOFF(CFS) = 0 . 40 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5528.00 TO NODE 4935,00 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 75.90 DOWNSTREAM ELEVATION = 69.30 STREET LENGTH(FEET) = 593.00 CURB HE IGTH(INCHES) = 6, STREET HALFWIDTH(FEET) = 43,00 STREET CROSSFALL(DEC IMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1,79 STREET FLOWDEPTH(FEET) = 0.29 HALFSTREET FLOODW IDTH(FEET) = 8.31 AVERAGE FLOW VELOC ITY(FEET/SEC,) = 2.22 PRODUCT OF DEPTH&VELOCITY = 0,65 STREETFLOW TRAVELTIME(M IN) = 4.45 TC(MIN) = 15.75 100 YEAR RAINFALL INTENSITY( INCH/HOUR) = 3.353 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = -9500 SUBAREA AREA(ACRES) = 0.87 SUBAREA RUNOFF(CFS) = 2.77 SUMMED AREA(ACRES) = 0.97 TOTAL RUNOFF(CFS) = 3.17 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.34 HALFSTREET FLOODW IDTH(FEET) = 10.90 FLOW VELOCITY(FEET/SEC. ) = 2.43 DEPTHAVELOCITY = 0,84 t"''' CITYOF CFTZL^GAD POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS -1455 MURPHY CANYON ROAO SUITE 200 SAN OIEGO. CA 92123 . (619)576.9200 ASSOCIATES m°''''' FAtU)/FPFF AFFIPFT^F>AD POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS -1455 MURPHY CANYON ROAO SUITE 200 SAN OIEGO. CA 92123 . (619)576.9200 ASSOCIATES •wo m-oN " /?F CHK DAre //- 3a-3/ POUNTNEY i ASSOCIATES INC. CONSULTING ENGINEERS -1455 MURPHY CANYON ROAO SUITE 200 SAN OIEGO. CA 92123 . (619)576.9200 ASSOCIATES 1 ELOUi R \ -\. v., j,. V,. R 0 C E 3 3 E R J M NODE ':.kf:.k!-.kkkT:.: 1 3 i"i.. 0 0 ;[' i j N iJ D E 4 3 3 5.00 1S i. A A A A A A A A A A A A A A A A A A A A 0 D E ••- 1 > > ;>> '> D IL o X b 1--! H i h IN D E P E N D E •IT 3 i S £ A H EuR C^NELUENCE'.;<<<^^ • ND COMPUT E VARIOUS CONFLUENC :ED STREAM VALUES<<< CONFLUENCE VALU E 3 USED F1 J R IN D E P E i' •JDENT STREAM 2 ARE, H TIME 0 F CONCENT RAT ION ( M Ii •lUTES) = • RAINFA LL INTENS ITY (INCH ./HOUR) ---1 -1 cr - O -J T 0 T A L STREAM AREA (ACRES ) = 0 - • j? TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE CONFLUENCE INFORMATION: STREAM RUNOFF TIME ' INTENSITY NUMBER (CFS) (M IN.)(INCH/HOUR) 3- 1' 1 3.17 7 . 30 -f c- r» c-i ^ - / ^ RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 4.43 4-69 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: EAMS RUNOFF(CFS) = 4.69 TOTAL AREA(ACRES) = TIME(MINUTES) = 1 .42 '47 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4935.00 TO NODE 4935.00 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<-^v << >>>>>USING USER-SPECIFIED P IPES IZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10-7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 4.3 UPSTREAM NODE ELEVATION = 1.53 DOWNSTREAM NODE ELEVATION = 1.00 FLOWLENGTH(FEET) = 106.00 MANNINGS N = 0.013 GIVEN PIPE DIAMETER(INCH) = 13.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 4.69 TRAVEL TIME(MIN.) = 0-41 TC(M IN.) = 16 - 16 t"''' CITYOF CF^^GAD °'/37 POUNTNEY ASSOCIATES INC. ^B)^ft BBf ^Mi 9bMil I9l9f^ CONSULTING ENGINEERS ^P^B^^BI WU Wl BBI BB WT 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 m°"''\F/k^/(FFhF AF/^FT ^/PAO POUNTNEY ASSOCIATES INC. ^B)^ft BBf ^Mi 9bMil I9l9f^ CONSULTING ENGINEERS ^P^B^^BI WU Wl BBI BB WT 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo t/>S-0/-i " FF CHK DATE //-3a ^3/ POUNTNEY ASSOCIATES INC. ^B)^ft BBf ^Mi 9bMil I9l9f^ CONSULTING ENGINEERS ^P^B^^BI WU Wl BBI BB WT 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 i i i I I 1 I 1 1 -a^ yj; 71; pi; pi* •it^ -ir nt; •A; -li; TI.- Ti; 7V y. •/"•: F. ?K 'F. F. F. ?*•! ?••; A .'K '. FLGW PRO LESS FROM NODE 4620,00 TO NODE 4G37'.00 13 CODE = >>>>>RATlONAL METHOD INITIAL SUBAREA ANALYS I3<<<<< SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 67-00 UPSTREAM ELEVATION = 72.30 DOWNSTREAM ELEVATION = 71,40 ELEVATION DIFFERENCE = 0,90 URBAN SUBAREA OVERLAND TIME OF FLOW(M INUTES) = TIME OF CONCENTRATION ASSUMED AS 5-MINUTES 100 YEAR RAINFALL INTENS ITY ( INCH/HOUR) 6.980 SUBAREA RUNOFF(CFS) = 0.66 TOTAL AREA(ACRES) = 0.10 TOTAL RUNOFF(CFS) 057 0 . 66 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4687.00 TO NODE 4935.00 IS CODE = 6 •>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA' UPSTREAM ELEVATION = 71.40 DOWNSTREAM ELEVATION = 69,30 STREET LENGTH(FEET) = 248.00 CURB HEIGTH(INCHES) = 6, STREET HALFWIDTH(FEET) = 43.00 STREET CROSSFALL(DEC IMAL) =0.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 AATRAVELTIME. COMPUT-EB.-USING MEAN FLOW(CFS) =. . 2-77 ... STREET FLOWDEPTH(FEET) = 0.34 HALFSTREET FLOODW IDTH(FEET) = 10.90 AVERAGE FLOW VELOC ITY(FEET/SEC.) = 2.12 PRODUCT OF DEPTH&VELOCITY = 0.73 STREETFLOW TRAVELT IME(M IN) = 1.95 TC(MIN) = 6,95 100 YEAR RAINFALL INTENS ITY(INCH/HOUR) = 5.656 SOIL CLASSIFICATION IS -D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = ,8500 SUBAREA AREA(ACRES) = 0.87 SUBAREA RUNOFF(CFS) = 4,18 SUMMED AREA(ACRES) = 0,97 TOTAL RUNOFF(CFS) = 4,85 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0,40 HALFSTREET FLOODW IDTH(FEET) = 13.50 FLOW VELOCITY(FEET/SEC. ) = 2.50 DEPTHAVELOCITY = 0.99 I"""' CITYOF CF/ZL^GAD °'/38 POUNTNEY i ASSOCIATES INC. IBk^M ^Bf ^BFi M!i^Bi^B^ CONSULTING ENGINEERS B'^BBI WU Wl Bl^1 Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 m''''' FAUP^F^ AFFi7Fr ^/:)A0 POUNTNEY i ASSOCIATES INC. IBk^M ^Bf ^BFi M!i^Bi^B^ CONSULTING ENGINEERS B'^BBI WU Wl Bl^1 Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •vo m^H /^F CHK DATE //- 30-3/ POUNTNEY i ASSOCIATES INC. IBk^M ^Bf ^BFi M!i^Bi^B^ CONSULTING ENGINEERS B'^BBI WU Wl Bl^1 Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 ;A AA; :AAAAAA A AAAAAA; A A: I j- -i- vl- A A i-•AAA i4.ij.ii.AAA A AAAA A AAAAAAAAA FLOW PROCESS FROM NODE 4935-00 TQ NODE 4935.00 IS CODE >>>;>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE'; <<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE;; TIME OF CONCENTRAT ION(MINUTES) = 6-95 RAINFALL INTENSITY (INCH./HOUR) = 5.66 TOTAL STREAM AREA (ACRES) = 0-97 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4-85 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5690.00 TO NODE 5620.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYS IS<<<<' SOIL CLASSIFICATION IS °D° COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = -3500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 123-00 UPSTREAM ELEVATION = 78.10 DOWNSTREAM ELEVATION = 77,10 ELEVATION DIFFERENCE = 1.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 6.769 SUBAREA RUNOFF(CFS) = 0,58 TOTAL AREA(ACRES) == 0.10 TOTAL RUNOFF(CFS) 311 I'"""' CITYOF CF/ZL^GAD POUNTNEY & ASSOCIATES INC. ^Bi^M fllFf ^Bf^0f ^Bf^V^ CONSULTING ENGINEERS B'^B^^BI WU Wl WUWfl Wf 4455 MURPHY CANYON ROAD ASSOCIATE S SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 m''^' FAUP^Fh^ AFFIPFT P^/PAO POUNTNEY & ASSOCIATES INC. ^Bi^M fllFf ^Bf^0f ^Bf^V^ CONSULTING ENGINEERS B'^B^^BI WU Wl WUWfl Wf 4455 MURPHY CANYON ROAD ASSOCIATE S SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 Iwo mm J^F CHK DAre //- 30-3/ POUNTNEY & ASSOCIATES INC. ^Bi^M fllFf ^Bf^0f ^Bf^V^ CONSULTING ENGINEERS B'^B^^BI WU Wl WUWfl Wf 4455 MURPHY CANYON ROAD ASSOCIATE S SUITE 200 SAN OIEGO, CA 92123 . (619)576-9200 I > ) I I I . I I I I i F A F. F F F. \'\ v-. :• E L 0 Ui P R (J C E 3; t t 1 I •:A A; FROM NODE 5 b 2 0 - 0 0 T C; NODE 4935-00 OMPUTE STREETFLOW TRAVELTIME THRU SUBARHA<< •1 0 DOWNSTREAM ELEVATION CURB HE IGTH( INCHES) STREET CROSSFALL(DEC CARRYING RUNOFF = 1 2,54 UPSTREAM ELEVATION = 77 STREET LENGTH(FEET) = 635 ._ . STREET HALFW IDTH(FEET) = 43-00 SPECIFIED NUMBER OF HALFSTREETS AATRAVELTIME COMPUTED USING MEAN FLOW(CFS) STREET FLOWDEPTH(FEET) = 0.37 HALFSTREET FLOODWIDTH(FEET) = 12-20 AVERAGE FLOW VELOCITY(FEET/SEC.) PRODUCT OF DEPTHSVELOCITY = 0.^4 STREETFLOW TRAVELTIME(MIN) =' 4,49 TC(MIN) = 100 YEAR RAINFALL INTENS ITY( INCH/HOUR) = 4,547 SOIL CLASSIFICATION IS °D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA AREA(ACRES) = 1,74 SUBAREA RUNOFF(CFS) = SUMMED AREA (ACRES) = 1.34 TOTAL R'UNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 0.42 HALFSTREET FLOODWIDTH(FEET) = 14 FLOW VELOCITY(FEET/SEC.) = 3,17 DEPTHAVELOCITY = - 6 - IMAL) 4 - 0 9 0 2 0 0 9-30 j-72 30 79 1-34 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4935-00 TO NODE 4935.00 IS CODE = 1 >>>:.-->DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE-^.; <<' .»>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES-;<- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE TIME OF CONCENTRATION(MINUTES) = 9.80 RAINFALL INTENSITY (INCH./HOUR) = 4.55 TOTAL STREAM AREA (ACRES) = 1.84 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.30 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 4.85 7.30 6.95 9.30 5 - 656 4.54 7 RAINFALL-INTENSITY-RAT 10 CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 10.71 11,20 COMPUTED CONFLUENCE ESTIMATES ARE A3 FOLLOWS: RUNOFF(CFS) = 11.20 T IME(M INUTES) = 9,799 TOTAL AREA(ACRES) = 2-31 1'"''' CITYOF CFTZL^GAD °749 POUNTNEY ASSOCIATES INC. flB)^A\^B/ ^Vf 9b^Ul ^Bi9f^ CONSULTING ENGINEERS WT^B^^BI WU WlBBI WU Bu 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619) 576.9200 w"''^' FAap^FFh^ AF/^FT/^AO POUNTNEY ASSOCIATES INC. flB)^A\^B/ ^Vf 9b^Ul ^Bi9f^ CONSULTING ENGINEERS WT^B^^BI WU WlBBI WU Bu 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619) 576.9200 ^wO mm " FF CHK DAre //-3a-3? POUNTNEY ASSOCIATES INC. flB)^A\^B/ ^Vf 9b^Ul ^Bi9f^ CONSULTING ENGINEERS WT^B^^BI WU WlBBI WU Bu 4455 MURPHY CANYON ROAO ASSOCIATES SUITE 200 SAN OIEGO, CA 92123 . (619) 576.9200 1 I I I I I i I I I I I f I I I i- -,v-•i- A- FLUU PROCESS ERDM NODE 4935.00 TO NODE 4335-00 IS COD) >>>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENC£<<<-v;< 1 ARE: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRAT ION (MINUTES) 9-30 RAINFALL INTENSITY (INCH-/HOUR) = 4-55 TOTAL STREAM AREA (ACRES) = 2-31 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11-20 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4935.00 TO NODE 4935.00 IS CODE = 7 •USER SPECIFIED HYDROLOGY INFORMATION AT NODE< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 16-07 RAIN INTENS ITY( INCH/HOUR) = 3.: TOTAL AREA(ACRES) = 1,42 TOTAL RUNOFF(CFS) = 4.69 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 4935.00 TO NODE 4935.00 IS CODE = 1 ;:->>>>DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE<-;-; << >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES-^--; <-;-v: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 16-07 RAINFALL INTENSITY (INCH./HOUR) = 3.32 TOTAL STREAM AREA (ACRES) = 1.42 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.69 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 n 11 .20 4.69 9 .80 16.07 4.547 3.316 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 14.62 12.85 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 14.62 T IME(M INUTES) = 9.799 TOTAL AREA(ACRES) = 4-23 STREAMS 1"''' CITYOF CFTZL^GAD POUNTNEY s. ASSOCIATES INC. ^Bi^ft^^Bf 9b^0/ ^Mi^W? CONSULTING ENGINEERS BB^B) WUWl WU Bl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576.9200 m''''' FAUP/FPFh^ AFFipFr ^/:}AD POUNTNEY s. ASSOCIATES INC. ^Bi^ft^^Bf 9b^0/ ^Mi^W? CONSULTING ENGINEERS BB^B) WUWl WU Bl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576.9200 •vo m-/)N T^F CHK DATE //-3a-3/ POUNTNEY s. ASSOCIATES INC. ^Bi^ft^^Bf 9b^0/ ^Mi^W? CONSULTING ENGINEERS BB^B) WUWl WU Bl Wf 4455 MURPHY CANYON ROAD ASSOCIATES SUITE 200 SAN OIEGO. CA 92123 . (619)576.9200 ;AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA; FLOW PROCESS FROM NODE 4935.00 TO NODE 5100.00 IS CODE = 4 ' >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU 3UBAREA<<<<< >>>>>USING USER-SPECIFIED P IPES I2E<<<<< DEPTH OF FLOW IN 24.0 IINCH PIPE IS PIPEFLOW VELOC ITY(FEET/SEC.) = 5- UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 157-00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN-) = 0-47 13.9 INCHES 1-79 1-00 MANNINGS N = 0-013 24.00 NUMBER OF PIPES 14-62 TC(MIN.) = 10.27 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5100.00 TO NODE 5100.00 IS CODE = 1 •DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE-:^ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 10.27 RAINFALL INTENSITY (INCH./HOUR) = 4.41 TOTAL STREAM AREA (ACRES) = 4.23 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 14.62 « AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAi FLOW PROCESS FROM NODE 41.00 TO NODE 5100.00 IS CODE = 7 >USER SPECIFIED HYDROLOGY INFORMATION AT NODE' USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 12.72 RAIN INTENSITY(INCH/HOUR) = TOTAL AREA(ACRES) = 3.91 TOTAL RUNOFF(CFS) = 18.50 t'"''' CITYOF CFTZL^GAD °'74Z POUNTNEY ASSOCIATES INC. Ui^W\Kl Mf/ 9b iH/ ^V/ CONSULTING ENGINEERS BP^B^B) WU Wl WU Bl WT 4455 MURPHY CANYON ROAD A S S O C 1 A T • S SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 m''''' FAUP^FFhF AF/^FT ^^AD POUNTNEY ASSOCIATES INC. Ui^W\Kl Mf/ 9b iH/ ^V/ CONSULTING ENGINEERS BP^B^B) WU Wl WU Bl WT 4455 MURPHY CANYON ROAD A S S O C 1 A T • S SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 •wo m-0/.i " FF CHK DATE //- 30-3/ POUNTNEY ASSOCIATES INC. Ui^W\Kl Mf/ 9b iH/ ^V/ CONSULTING ENGINEERS BP^B^B) WU Wl WU Bl WT 4455 MURPHY CANYON ROAD A S S O C 1 A T • S SUITE 200 SAN OIEGO. CA 92123 . (619)576-9200 A A A A A A A A A A A A AAAAAAAAAAAA A A A A A AAAAAA A A A A A AAAAAAAA A A A A A A A A A A A AAAA A A A A A FLOW PROCESS FROM NODE 5100-00 TQ NODE 5100.00 IS CODE = 1 >>>>>DE3IGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUE3<<<- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF C0NCENTRATI0N(MINUTE3) = 12,72 ARE : RAINFALL INTENSITY (INCH,/HOUR) = .91 TOTAL STREAM AREA (ACRES) I , u TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 13.50 14 .62 18.50 10 .27 12.72 4.414 3.910 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 31.00 31.45 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 31.45 TIME(MINUTES) = 12.720 TOTAL AREA(ACRES) = 9.43 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA FLOW PROCESS FROM NODE 5100.00 TO NODE 5100.00 IS CODE = 4 >>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA' >>USING USER-SPECIFIED P IPES IZE-C<<<-^ PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 125.00 GIVEN PIPE DIAMETER( INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 0.21 = 10.0 3,20 1 ,00 MANNINGS N = 0,013 24,00 NUMBER OF PIPES = 31 ,45 TC(MIN.) = 12,93 END OF RATIONAL METHOD ANALYSIS 9>w>mmvmwiw jJiSAnjRmirCAnrcN>OAa sun TOO SAMO«GQCA»JUJ liKI)76.7700 <<i9g/PowfTntrtAssoaAni.iK. FOR INLET CALCULATIONS SHEET OF PWO# ^6f^-CP/-/ DATE /O- 2/9 '3 7 by ^ STATION NODE 1 1 1 G c . i . s . SLOPE '3 ?T. of TRANSITION DEPTH (Y) PER GUTTER i RDWY DISCHARGE VELOCITY CHART L= Q 1 INLET . 7 (a-rv)t'^ j SIZE a= 0.33' 1 \.CA (F 7 1 \.G^ 1^0 7 & \.?pO 1 PO 1 /CF /7 ' 1.74 ^c:? 1 ^—^— 1 (1.2. 6UMP 7 4^ 4-' 1 ^ i