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HomeMy WebLinkAbout; Monroe Street; Monroe Street; 1989-04-01Hydrology Repoit City of Carlsbad Monroe Street April, 1989 'ISI CONSULTANTS. INC. 10 Year Hydrology RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1985,1981 HYDROLOGY MANUAL >»»»; (C) Copyright 1982,1986 Advanced Engineering Software [AES] Especially prepared for: BSI CONSULTANTS <<<<<<«<<<<««<<<<<«<««<<«<<<<«>»»»»»>>>»>»»»>>»>>>>>>»>>> **********DESCRIPTION OF RESULTS******************************************** * CITY OF CARLSBAD - MONROE STREET * * HYDROLOGIC ANALYSIS - 10 YR. STORM * * DATE: 5/8/89 * **************************************************************************** USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENT(YEAR) = 10.00 6-HOUR DURATION PRECIPITATION (INCHES) = 1.600 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 <<<«<<<<<<«<«<<«<<<«<<<<<<<<<«<<>»>»>»>»>>»>>>>>>>»>>>>>>>>>>>>> Advanced Engineering Software [AES] SERIAL No. I0723I VER. 3.4A RELEASE DATE: 4/22/86 <<<<<«<<<«<<<«<<<<««<<<«<<<<«<<>»»»>>>>»>>>>>»>>>»>>>>>>>>>>>>> **************************************************************************** FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 185.00 DOWNSTREAM ELEVATION = 168.00 ELEVATION DIFFERENCE = 17.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 18.128 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.837 SUBAREA RUNOFF(CFS) = 1.41 TOTAL AREA(ACRES) = 1.4 0 TOTAL RUNOFF(CFS) = 1.41 ***********************************************************************^jt*** FLOW PROCESS FROM NODE 101.00 TO NODE 102.00 IS CODE = 6 >»»COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 168.00 DOWNSTREAM ELEVATION = 154.00 STREET LENGTH(FEET) = 1680.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 17.93 STREET FLOWDEPTH(FEET) = .50 HALFSTREET FLOODWIDTH(FEET) =16.91 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.94 PRODUCT OF DEPTH&VELOCITY = 1.46 STREETFLOW TRAVELTIME(MIN) = 9.52 TC(MIN) = 27.64 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.399 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 4 2.80 SUBAREA RUNOFF(CFS) = 32.94 SUMMED AREA(ACRES) = 44.20 TOTAL RUNOFF(CFS) = 34.35 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .59 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET/SEC.) = 3.60 DEPTH*VELOCITY = 2.11 ****************************************************************^^^^^.jt^^j^^j^^ FLOW PROCESS FROM NODE 102.00 TO NODE 102.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.64 RAINFALL INTENSITY (INCH./HOUR) =1.40 TOTAL STREAM AREA (ACRES) = 44.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 34.35 **************************************************************************** FLOW PROCESS FROM NODE 200.00 TO NODE 201.00 IS CODE = 2 >»»RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 159.00 DOWNSTREAM ELEVATION = 156.00 ELEVATION DIFFERENCE =3.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 26.781 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.428 SUBAREA RUNOFF(CFS) = 9.58 TOTAL AREA(ACRES) = 12.20 .TOTAL RUNOFF(CFS) = 9.58 **************************************************************************** FLOW PROCESS FROM NODE 2 01.00 TO NODE 102.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA«<« UPSTREAM ELEVATION = 156.00 DOWNSTREAM ELEVATION = 153.00 STREET LENGTH(FEET) = 850.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 17.70 STREET FLOWDEPTH(FEET) = .55 HALFSTREET FLOODWIDTH(FEET) = 19.72 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.17 PRODUCT OF DEPTH&VELOCITY = 1.2 0 STREETFLOW TRAVELTIME(MIN) = 6.53 TC(MIN) = 33.31 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.241 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 23.80 SUBAREA RUNOFF(CFS) = 16.24 SUMMED AREA(ACRES) = 3 6.00 TOTAL RUNOFF(CFS) = 25.82 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .61 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET/SEC.) = 2.50 DEPTH*VELOCITY = 1.52 **************************************************************************** FLOW PROCESS FROM NODE 102.00 TO NODE 102.00 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) = 33.31 RAINFALL INTENSITY (INCH./HOUR) = 1.24 TOTAL STREAM AREA (ACRES) = 3 6.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 25.82 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 34.35 27.64 1.399 2 25.82 33.31 1.241 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 57.25 56.28 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 57.25 TIME(MINUTES) = 27.64 5 TOTAL AREA(ACRES) =80.20 **************************************************************************** FLOW PROCESS FROM NODE 102.00 TO NODE 304.00 IS CODE = 3 >»»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< >»»USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)««< DEPTH OF FLOW IN 45.0 INCH PIPE IS 35.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.2 UPSTREAM NODE ELEVATION = 153.00 DOWNSTREAM NODE ELEVATION = 150.00 FLOWLENGTH(FEET) = 1100.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 57.25 TRAVEL TIME(MIN.) = 2.97 TC(MIN,) = 30.61 *************************************************************************^^^ FLOW PROCESS FROM NODE 3 04.00 TO NODE 3 04.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 3 0.61 RAINFALL INTENSITY (INCH./HOUR) = 1.31 TOTAL STREAM AREA (ACRES) =80.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 57.2 5 **********************************************************************j^^^^^j^ FLOW PROCESS FROM NODE 301.00 TO NODE 302.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 350.00 DOWNSTREAM ELEVATION = 292.00 ELEVATION DIFFERENCE = 58.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 19.859 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.732 SUBAREA RUNOFF(CFS) =2.38 TOTAL AREA(ACRES) = 2.50 TOTAL RUNOFF(CFS) = 2.38 **************************************************************************** FLOW PROCESS FROM NODE 302.00 TO NODE 303.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 292.00 DOWNSTREAM ELEVATION = 202.00 STREET LENGTH(FEET) = 3000.00 CURB HEIGTH(INCHES) =8. STREET HALFWIDTH(FEET) = 32.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 30.09 STREET FLOWDEPTH(FEET) = .49 HALFSTREET FLOODWIDTH(FEET) = 16.53 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.15 PRODUCT OF DEPTH&VELOCITY = 2.52 STREETFLOW TRAVELTIME(MIN) = 9.71 TC(MIN) =29.57 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.340 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 73.50 SUBAREA RUNOFF(CFS) = 54.15 SUMMED AREA(ACRES) = 76.00 TOTAL RUNOFF(CFS) = 56.54 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .58 HALFSTREET FLOODWIDTH(FEET) = 21.22 FLOW VELOCITY(FEET/SEC.) = 6.02 DEPTH*VELOCITY = 3.51 **************************************************************************** FLOW PROCESS FROM NODE 303.00 TO NODE 304.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< >»»USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW) ««< DEPTH OF FLOW IN 27.0 INCH PIPE IS 21.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.8 UPSTREAM NODE ELEVATION = 2 00.00 DOWNSTREAM NODE ELEVATION = 152.00 FLOWLENGTH(FEET) = 1200.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 56.54 TRAVEL TIME(MIN.) = 1.19 TC(MIN.) = 30.76 **************************************************************************** FLOW PROCESS FROM NODE 303.00 TO NODE 304.00 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.306 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 73.70 SUBAREA RUNOFF(CFS) = 52.94 TOTAL AREA(ACRES) = 149.70 TOTAL RUNOFF(CFS) = 109.48 TC(MIN) = 30.76 **************************************************************************** FLOW PROCESS FROM NODE 304.00 TO NODE 304.00 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) = 3 0.76 RAINFALL INTENSITY (INCH./HOUR) = 1.31 TOTAL STREAM AREA (ACRES) = 149.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 109.48 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 57.25 30.61 1.310 2 109.48 30.76 1.306 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 166.39 166.55 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 166.55 TIME (MINUTES) =i 30.759 TOTAL AREA(ACRES) = 229.90 **************************************************************************** FLOW PROCESS FROM NODE 304.00 TO NODE 305.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW) ««< DEPTH OF FLOW IN 39.0 INCH PIPE IS 31.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.5 UPSTREAM NODE ELEVATION = 152.00 DOWNSTREAM NODE ELEVATION =63.58 FLOWLENGTH(FEET) = 1850.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 166.55 TRAVEL TIME(MIN.) = 1.31 TC(MIN.) = 32.07 **************************************************************************** FLOW PROCESS FROM NODE 304.00 TO NODE 305.00 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.271 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 73.70 SUBAREA RUNOFF(CFS) = 51.53 TOTAL AREA(ACRES) = 303.60 TOTAL RUNOFF(CFS) = 218.08 TC(MIN) = 32.07 **************************************************************************** FLOW PROCESS FROM NODE 305.00 TO NODE 306.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 33.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.3 UPSTREAM NODE ELEVATION = 50.79 DOWNSTREAM NODE ELEVATION = 12.66 FLOWLENGTH(FEET) = 1034.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 218.08 TRAVEL TIME(MIN.) = .74 TC(MIN.) = 32.81 **************************************************************************** FLOW PROCESS FROM NODE 306.00 TO NODE 306.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 3 2.81 RAINFALL INTENSITY (INCH./HOUR) = 1.25 TOTAL STREAM AREA (ACRES) = 303.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 218.08 **************************************************************************** FLOW PROCESS FROM NODE 52 0.00 TO NODE 521.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 34.00 UPSTREAM ELEVATION = 63.58 DOWNSTREAM ELEVATION = 63.10 ELEVATION DIFFERENCE = .48 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 1.433 TIME OF CONCENTRATION ASSUMED AS 5-MINUTES 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.216 SUBAREA RUNOFF(CFS) = .40 TOTAL AREA(ACRES) = .10 TOTAL RUNOFF(CFS) = .40 **************************************************************************** FLOW PROCESS FROM NODE 521.00 TO NODE 522.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 63.10 DOWNSTREAM ELEVATION = 21.75 STREET LENGTH(FEET) = 1033.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 34.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.48 STREET FLOWDEPTH(FEET) = .23 HALFSTREET FLOODWIDTH(FEET) = 5.31 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.70 PRODUCT OF DEPTH&VELOCITY = ,86 STREETFLOW TRAVELTIME(MIN) = 4.66 TC(MIN) = 9.66 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.757 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = .81 SUBAREA RUNOFF(CFS) = 2.12 SUMMED AREA(ACRES) = .91 TOTAL RUNOFF(CFS) = 2.52 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .27 HALFSTREET FLOODWIDTH(FEET) = 7.34 FLOW VELOCITY(FEET/SEC.) = 3.84 DEPTH*VELOCITY = 1.05 **************************************************************************** FLOW PROCESS FROM NODE 522.00 TO NODE 306.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 18.0 INCH PIPE IS 2.4 INCHES PIPEFLOW VELOCITY(FEET/SEC. UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 5.2 8 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) TRAVEL TIME(MIN.) = .00 ) = 17.7 17.20 14.96 MANNINGS N = .013 18.00 NUMBER OF PIPES 2.52 TC(MIN.) = 9.66 **************************************************************************** FLOW PROCESS FROM NODE 3 06.00 TO NODE 3 06.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< >»»AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES«<« CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE; TIME OF CONCENTRATION(MINUTES) = 9.66 RAINFALL INTENSITY (INCH./HOUR) = 2.7 6 TOTAL STREAM AREA (ACRES) = .91 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.52 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 218.08 32.81 1.253 2 2.52 9.66 2.756 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 219.23 101.66 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 219.23 TIME(MINUTES) = 32.809 TOTAL AREA(ACRES) = 304.51 **************************************************************************** FLOW PROCESS FROM NODE 306.00 TO NODE 307.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET/SEC.) =17.4 UPSTREAM NODE ELEVATION = 22.20 DOWNSTREAM NODE ELEVATION = 21.10 FLOWLENGTH(FEET) = 59.72 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) =219.23 TRAVEL TIME(MIN.) = .06 TC(MIN.) = 32.87 **************************************************************************** FLOW PROCESS FROM NODE 430.00 TO NODE 431.00 IS CODE = 2 >»»RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 34.00 UPSTREAM ELEVATION = 63.58 DOWNSTREAM ELEVATION = 63.51 ELEVATION DIFFERENCE = .07 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 2.588 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED- TIME OF CONCENTRATION ASSUMED AS 5-MINUTES 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.216 SUBAREA RUNOFF(CFS) = .40 TOTAL AREA(ACRES) = .10 TOTAL RUNOFF(CFS) = .40 **************************************************************************** FLOW PROCESS FROM NODE 431.00 TO NODE 403.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 63.11 DOWNSTREAM ELEVATION = 20.44 STREET LENGTH(FEET) = 1102.50 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 32.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.65 STREET FLOWDEPTH(FEET) = .24 HALFSTREET FLOODWIDTH(FEET) = 5.79 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.64 PRODUCT OF DEPTH&VELOCITY = .88 STREETFLOW TRAVELTIME(MIN) = 5.04 TC(MIN) = 10.04 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.689 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = .95 SUBAREA RUNOFF(CFS) = 2.4 3 SUMMED AREA(ACRES) = 1.05 TOTAL RUNOFF(CFS) = 2.83 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .28 HALFSTREET FLOODWIDTH(FEET) = 7,70 FLOW VELOCITY(FEET/SEC.) = 3.98 DEPTH*VELOCITY = 1.12 **************************************************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 403.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 10.04 RAINFALL INTENSITY (INCH./HOUR) = 2.69 TOTAL STREAM AREA (ACRES) = 1.05 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.83 **************************************************************************** FLOW PROCESS FROM NODE 410,00 TO NODE 411,00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 100.00 UPSTREAM ELEVATION =60.00 DOWNSTREAM ELEVATION = 57.40 ELEVATION DIFFERENCE = 2.60 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 9.428 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.800 SUBAREA RUNOFF(CFS) = .43 TOTAL AREA(ACRES) = ,34 TOTAL RUNOFF(CFS) = .43 **************************************************************************** FLOW PROCESS FROM NODE 411.00 TO NODE 403.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 57,40 DOWNSTREAM ELEVATION = 20,44 STREET LENGTH(FEET) = 1390,00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 32.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3,16 STREET FLOWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.65 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.65 PRODUCT OF DEPTH&VELOCITY = 1.09 STREETFLOW TRAVELTIME(MIN) = 6.35 TC(MIN) = 15,78 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.009 SOIL CLASSIFICATION IS "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA AREA(ACRES) = 3.24 SUBAREA RUNOFF(CFS) = 5.53 SUMMED AREA(ACRES) = 3.58 TOTAL RUNOFF(CFS) = 5.96 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.51 FLOW VELOCITY(FEET/SEC.) = 4.13 DEPTH*VELOCITY = 1.47 **************************************************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 403.00 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) = 15.78 RAINFALL INTENSITY (INCH./HOUR) =2.01 TOTAL STREAM AREA (ACRES) = 3.58 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.96 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 2.83 10.04 2.689 2 5.96 15.78 2.009 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 7.28 8.07 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 8.07 TIME(MINUTES) = 15,778 TOTAL AREA(ACRES) = 4.63 **************************************************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 403.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.78 RAINFALL INTENSITY (INCH./HOUR) = 2.01 TOTAL STREAM AREA (ACRES) = 4.63 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 8.07 **************************************************************************** FLOW PROCESS FROM NODE 420.00 TO NODE 421.00 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 = 14,22(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 205.00 DOWNSTREAM ELEVATION = 195.00 ELEVATION DIFFERENCE = 10.00 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.149 SUBAREA RUNOFF(CFS) = 1,4 0 TOTAL AREA(ACRES) = 1,45 TOTAL RUNOFF(CFS) = 1,40 **************************************************************************** FLOW PROCESS FROM NODE 421,00 TO NODE 422.00 IS CODE = 5 »>»COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< >>»>TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 195.00 DOWNSTREAM NODE ELEVATION = 14.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1180.00 CHANNEL BASE(FEET) = .00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1,4 0 FLOW VELOCITY(FEET/SEC) = 5.09 FLOW DEPTH(FEET) = .37 TRAVEL TIME(MIN.) = 3.86 TC(MIN.) = 18,08 **************************************************************************** FLOW PROCESS FROM NODE 422.00 TO NODE 422.00 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.840 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 21.67 SUBAREA RUNOFF(CFS) = 17.94 TOTAL AREA(ACRES) = 2 3.12 TOTAL RUNOFF(CFS) = 19.34 TC(MIN) = 18.08 **************************************************************************** FLOW PROCESS FROM NODE 422.00 TO NODE 403.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = . 7.7 UPSTREAM NODE ELEVATION = 12.40 DOWNSTREAM NODE ELEVATION =12.20 FLOWLENGTH(FEET) = 20.00 MANNINGS N = ,013 GIVEN PIPE DIAMETER(INCH) = 24,00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.34 TRAVEL TIME(MIN.) = ,04 TC(MIN.) = 18,12 **************************************************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 403.00 IS CODE = 1 >»»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) =18.12 RAINFALL INTENSITY (INCH./HOUR) = 1.84 TOTAL STREAM AREA (ACRES) = 23.12 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 19.34 **************************************************************************** FLOW PROCESS FROM NODE 400.00 TO NODE 401.00 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 = 13.45(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 420.00 UPSTREAM ELEVATION = 2 00.00 DOWNSTREAM ELEVATION = 19 0,00 ELEVATION DIFFERENCE = 10.00 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.2 27 SUBAREA RUNOFF(CFS) = .87 TOTAL AREA(ACRES) = .87 TOTAL RUNOFF(CFS) = .87 **************************************************************************** FLOW PROCESS FROM NODE 401.00 TO NODE 402.00 IS CODE = 5 »»>COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< >»»TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 190,00 DOWNSTREAM NODE ELEVATION =21.50 CHANNEL LENGTH THRU SUBAREA(FEET) = 1400.00 CHANNEL BASE(FEET) = .00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) , = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = .87 FLOW VELOCITY(FEET/SEC) = 5.08 FLOW DEPTH(FEET) = .29 TRAVEL TIME(MIN.) = 4.59 TC(MIN.) = 18.04 **************************************************************************** FLOW PROCESS FROM NODE 401.00 TO NODE 402.00 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.842 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 3.74 SUBAREA RUNOFF(CFS) = 3.10 TOTAL AREA(ACRES) = 4.61 TOTAL RUNOFF(CFS) = 3.97 TC(MIN) = 18.04 **************************************************************************** FLOW PROCESS FROM NODE 402.00 TO NODE 403.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.3 UPSTREAM NODE ELEVATION = 14.28 DOWNSTREAM NODE ELEVATION = 12.3 0 FLOWLENGTH(FEET) = 124.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 3.97 TRAVEL TIME(MIN.) = ,33 TC(MIN,) = 18,37 **************************************************************************** FLOW PROCESS FROM NODE 403,00 TO NODE 403.00 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) =18.37 RAINFALL INTENSITY (INCH./HOUR) = 1.82 TOTAL STREAM AREA (ACRES) = 4.61 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.97 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 8.07 15.78 2.009 2 19,34 18.12 1.837 3 3.97 18.37 1.821 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 29.36 30.66 30.47 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 30.66 TIME(MINUTES) = 18.123 TOTAL AREA(ACRES) = 32.36 **************************************************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 404.00 IS CODE = 4 »>»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< >»»USING USER-SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 3 6.0 INCH PIPE IS 22,2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.7 UPSTREAM NODE ELEVATION = 11.80 DOWNSTREAM NODE ELEVATION = 11.30 FLOWLENGTH(FEET) = 104.71 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 3 6.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 30.66 TRAVEL TIME(MIN.) = .26 TC(MIN.) = 18.38 **************************************************************************** FLOW PROCESS FROM NODE 404.00 TO NODE 307.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.38 RAINFALL INTENSITY (INCH./HOUR) = 1.82 TOTAL STREAM AREA (ACRES) =32.36 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3 0.66 **************************************************************************** FLOW PROCESS FROM NODE 306.00 TO NODE 307.00 IS CODE = 7 »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 32.87 RAIN INTENSITY(INCH/HOUR) = 1.25 TOTAL AREA(ACRES) = 3 04.51 TOTAL RUNOFF(CFS) = 219.23 **************************************************************************** FLOW PROCESS FROM NODE 307.00 TO NODE 307.00 IS CODE = 1 I »»>DESIGNATE INDEPENDENT STREAM FOR C0NFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 32.87 RAINFALL INTENSITY (INCH./HOUR) = 1.25 TOTAL STREAM AREA (ACRES) = 304.51 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 219.23 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 30.66 18,38 1.820 2 219.23 32.87 1.251 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 181.37 240.31 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 240.31 TIME(MINUTES) = 32.870 TOTAL AREA(ACRES) = 336.87 **************************************************************************** FLOW PROCESS FROM NODE 307.00 TO NODE 308.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< >»»USING USER-SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET/SEC.) = 10.1 UPSTREAM NODE ELEVATION = 10.91 DOWNSTREAM NODE ELEVATION = 10.22 FLOWLENGTH(FEET) = 138.28 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 24 0.31 TRAVEL TIME(MIN.) = .23 TC(MIN.) = 3 3.10 **************************************************************************** FLOW PROCESS FROM NODE 500.00 TO NODE 501,00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYS IS «<« SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.89(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 630.00 UPSTREAM ELEVATION = 190.00 DOWNSTREAM ELEVATION = 3 0.00 ELEVATION DIFFERENCE ^ 160.00 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.411 SUBAREA RUNOFF(CFS) = 2.63 TOTAL AREA(ACRES) = 2.42 TOTAL RUNOFF(CFS) = 2.63 **************************************************************************** FLOW PROCESS FROM NODE 501.00 TO NODE 502.00 IS CODE = 5 »»>COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< »»>TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 30.00 DOWNSTREAM NODE ELEVATION = 2 0.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1050.00 CHANNEL BASE(FEET) = .00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2.63 FLOW VELOCITY(FEET/SEC) = 2.26 FLOW DEPTH(FEET) = .76 TRAVEL TIME(MIN.) = 7.74 TC(MIN.) = 19.63 **************************************************************************** FLOW PROCESS FROM NODE 501.00 TO NODE 502.00 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.745 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 12.03 SUBAREA RUNOFF(CFS) = 9.45 TOTAL AREA(ACRES) = 14.4 5 TOTAL RUNOFF(CFS) = 12.07 TC(MIN) =19.63 **************************************************************************** FLOW PROCESS FROM NODE 502.00 TO NODE 502.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.63 RAINFALL INTENSITY (INCH./HOUR) = 1.74 TOTAL STREAM AREA (ACRES) =14.45 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 12.07 **************************************************************************** FLOW PROCESS FROM NODE 510.00 TO NODE 502.00 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 = 13.78(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 980.00 UPSTREAM ELEVATION = 120.00 DOWNSTREAM ELEVATION = 20.00 ELEVATION DIFFERENCE = 100.00 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.192 SUBAREA RUNOFF(CFS) = 6.91 TOTAL AREA(ACRES) = 7.00 TOTAL RUNOFF(CFS) = 6.91 **************************************************************************** FLOW PROCESS FROM NODE 502.00. TO NODE 502|oO IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUE^CE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM| 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.78 RAINFALL INTENSITY (INCH./HOUR) =2,19 TOTAL STREAM AREA (ACRES) = 7.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 6.91 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 12.07 19.63 1,745 2 .6.91 13.78 2.192 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 17.57 16.51 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 17,57 TIME(MINUTES) = 19.63 0 TOTAL AREA(ACRES) = 21.45 ***********************************************************************^^^^jj FLOW PROCESS FROM NODE 502.00 TO NODE 3 08;00 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA^<<<< »»>USING USER-SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) =8.2 UPSTREAM NODE ELEVATION =10.4 6 j DOWNSTREAM NODE ELEVATION = 10.22 FLOWLENGTH(FEET) = 2 0.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 17.57 TRAVEL TIME(MIN.) = .04 TC(MIN.) = 19.67 **************************************************************************** FLOW PROCESS FROM NODE 308.00 TO NODE 308.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM! 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.67 RAINFALL INTENSITY (INCH,/HOUR) =1.74 TOTAL STREAM AREA (ACRES) = 21.45 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 17.57 ***********************************************^**************************** FLOW PROCESS FROM NODE 30.7.00 TO NODE 308j. 00 IS CODE = 7 »»>USER SPECIFIED HYDROLOGY INFORMATION AT ijODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 33.10 RAIN INTENSITY(INCH/HOUR) = 1,25 TOTAL AREA(ACRES) = 3 3 6.87 TOTAL RUNOFF(CFS) = 240.31 **************************************************************************** FLOW PROCESS FROM NODE 308.00 TO NODE 3081.00 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) = 33.10 RAINFALL INTENSITY (INCH./HOUR) = 1.25 TOTAL STREAM AREA (ACRES) = 33 6,87 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 214 0,31 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) I 1 17.57 • 19.67 1.743 2 240.31 33,10 1,246 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLbwS: 189,35 252,87 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 252,87 TIME(MINUTES) = 33.100 TOTAL AREA(ACRES) = 3 58.3 2 END OF RATIONAL METHOD ANALYSIS I 50 Year Hydrology I I I I RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE • Reference: SAN DIEGO COUNTY FLOOD CiDNTROL DISTRICT 1985,1981 HYDROLOGY MANUAL <«<«<<<<«<<«<«<<<«<<<<<<<<<<«<<>»>»»>>»»»»»>>>>>»>>>>»>>>>> (C) Copyright 1982,1986 Advanced Engineering Software [AES] Especially prepared f<Dr; BSI CONSULTANTS <<<<<<<<<«<<«<<<<<<<<<<«<<<<«<<<<<>»>>>>»>»>>>»>>»>>>>>>>>>>>>>>>>> [ **********DESCRIPTION OF RESULTS******************************************** * CITY OF CARLSBAD - MONROE STREET * * HYDROLOGIC ANALYSIS - 50 YR. STORM * * DATE: 5/8/89 * **************************************************************************** USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENT(YEAR) =50.00 6-HOUR DURATION PRECIPITATION (INCHES) = 2.250 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 I SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Advanced Engineering Software [AES] SERIAL No. I0723I i VER. 3.4A RELEASE DATE: 4/22/86 «««<««<<<<<<<<<<<<«<<<<<<<«<<<<>>>>>>>»>»»»»»»»»»>>>>>>>>>> **************************************************************************** FLOW PROCESS FROM NODE 100.00 TO NODE 10l|. 00 IS CODE = 2 >>»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<«« j SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 500,00 UPSTREAM ELEVATION = 185.00 DOWNSTREAM ELEVATION = 168.00 ELEVATION DIFFERENCE = 17.00 ! URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USEb. 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.583 SUBAREA RUNOFF(CFS) = 1.99 TOTAL AREA(ACRES) = 1.40 TOTAL RUNOFF(CFS) = 18.128 1.99 **************************************************************************** FLOW PROCESS FROM NODE 101,00 TO NODE 102.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 168.00 DOWNSTREAM ELEVATION = 154.00 STREET LENGTH(FEET) = 1680.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 2 0,00 STREET CROSSFALL(DECIMAL) = ,02 00 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 25.85 STREET FLOWDEPTH(FEET) = ,55 HALFSTREET FLOODWIDTH(FEET) = 19.72 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.17 PRODUCT OF DEPTH&VELOCITY = 1.75 STREETFLOW' TRAVELTIME(MIN) = 8.83 TC(MIN) = 26.96 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.000 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 42.80 SUBAREA RUNOFF(CFS)'= 47.07 SUMMED AREA(ACRES) = 44.20 TOTAL RUNOFF(CFS) = 49.06 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .65 HALFSTREET FLOODWIDTH (FEIET) = 20.00 FLOW VELOCITY (FEET/SEC. ) = 4.12 DEPTH*VELO:CITY = 2,66 **************************************************************************** FLOW PROCESS FROM NODE 102,00 TO NODE 1021,00 IS CODE = 1 >»»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM' 1 ARE; TIME OF CONCENTRATION(MINUTES) =26.96 RAINFALL INTENSITY (INCH,/HOUR) = 2.00 I TOTAL STREAM AREA (ACRES) = 44.20 ! TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = |49.06 **************************************************************************** FLOW PROCESS FROM NODE 200.00 TO NODE 201,00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSISl««< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 159.00 DOWNSTREAM ELEVATION = 156.00 ELEVATION DIFFERENCE = 3.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 50 YEAR RAINFALL INTENSITY(INCH/HOUR) =, 2.008 SUBAREA RUNOFF(CFS) = 13.47 TOTAL AREA(ACRES) = 12.20 TOTAL RUNOFF(CFS) 26.781 13.47 **************************************************************************** FLOW PROCESS FROM NODE 201.00 TO NODE 102 00 IS CODE >»»COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< 0200 UPSTREAM ELEVATION = 156.00 DOWNSTREAM ELEVATION = 153,00 STREET LENGTH(FEET) = 850.00 CURB HEIGTH(INCHES) = 8, STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DECIMAL) = SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(:CFS) = 25.13 ***STREET FLOWING FULL*** STREET FLOWDEPTH(FEET) = .61 HALFSTREET FLOODWIDTH(FEET) = 2 0.00 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.43 PRODUCT OF DEPTH&VELOCITY = 1.48 STREETFLOW TRAVELTIME(MIN) = 5.83 TC(MIN) = 32.61 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.769 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 23.80 SUBAREA RUNOFF(CFS) = 23.15 SUMMED AREA(ACRES) = 36.00 TOTAL RUNOFF(CFS) = 36.63 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .67 HALFSTREET FLOODWIDTH (FEET) = 20.00 FLOW VELOCITY (FEET/SEC. ) = 2,89 DEPTH*VELo|ciTY = 1,92 **************************************************************************** FLOW PROCESS FROM NODE 102.00 TO NODE 102|.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) = 32.61 RAINFALL INTENSITY (INCH./HOUR) = 1.77 TOTAL STREAM AREA (ACRES) = 36.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 36.63 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 49.06 26.96 2.000 2 36.63 32.61 1.769 j RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 81,46 80,02 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS:.] RUNOFF(CFS) = 81.46 TIME(MINUTES) = 26.960 TOTAL AREA(ACRES) = 80.20 ***********************************************ilc**************************** FLOW PROCESS FROM NODE 102.00 TO NODE 3041.00 IS CODE = 3 I »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<«« »»>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW) <«<< DEPTH OF FLOW IN 51.0 INCH PIPE IS 4 0,6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6,7 UPSTREAM NODE ELEVATION = 153.00 DOWNSTREAM NODE ELEVATION = 150.00 j FLOWLENGTH(FEET) = 1100.00 MANNINGS N = ,pl3 ESTIMATED PIPE DIAMETER(INCH) = 51,00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 81,46 TRAVEL TIME(MIN.)•= 2.73 TC(MIN.) = 29,^9 **************************************************************************** FLOW PROCESS FROM NODE 304.00 TO NODE 304|. 00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM! 1 ARE: TIME OF CONCENTRATION(MINUTES) = 29.69 RAINFALL INTENSITY (INCH./HOUR) = 1.88 TOTAL STREAM AREA (ACRES) = 8 0.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = Sl.46 **************************************************************************** FLOW PROCESS FROM NODE 3 01.00 TO NODE 3 02.00 IS CODE = 2 I »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIsk«« SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) = 500. Ojo UPSTREAM ELEVATION = 350.00 DOWNSTREAM ELEVATION = 292.00 ' ELEVATION DIFFERENCE =58.00 ! URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES|) = 19,859 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.435 SUBAREA RUNOFF(CFS) = 3.35 TOTAL AREA(ACRES) = 2.50 TOTAL RUNOFF(CFS) = 3.35 **************************************************************************** FLOW PROCESS FROM NODE 302.00 TO NODE 303.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 292.00 DOWNSTREAM ELEVATION = 202,00 STREET LENGTH (FEET) = 3000.00 CURB HEIGTH (jlNCHES) = 8, STREET HALFWIDTH(FEET) = 32,00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNQFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 42.75 STREET FLOWDEPTH(FEET) = .53 HALFSTREET FLOODWIDTH(FEET) = 18.41 AVERAGE FLOW VELOCITY (FEET/SEC. ) = j5.98 PRODUCT OF DEPTH&VELOCITY = 3.15 STREETFLOW TRAVELTIME (MIN) = 8.37 TC(MIN)i = 28.23 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = l.|941 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT. RUNOFF COEFFICIENT != ,5500 SUBAREA AREA(ACRES) = 73.50 SUBAREA RUNOFF(CFS) = 78.47 SUMMED AREA(ACRES) = 76.00 TOTAL RUNOFF(CFS) = 81.82 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .64 HALFSTREET FLOODWIDTH(FEET) = 24.03 FLOW VELOCITY(FEET/SEC.) = 6.86 DEPTH*VELOCITY = 4.38 **************************************************************************** FLOW PROCESS FROM NODE 303,00 TO NODE 304.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< >»»USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 22,6 INCHES PIPEFLOW VELOCITY(FEET/SEC,) = 18.8 UPSTREAM NODE ELEVATION = 2 00.00 DOWNSTREAM NODE ELEVATION = 152.00 FLOWLENGTH(FEET) = 1200.00 MANNINGS N = .ioi3 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 81.82 TRAVEL TIME(MIN.) = 1.06 TC(MIN.) = 29.29 **********************************************-i***************************** FLOW PROCESS FROM NODE 303.00 TO NODE 304.00 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FL6W<«« 50 YEAR RAINFALL INTENSITY(INCH/HOUR) =1.896 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 73,70 SUBAREA RUNOFF(CFS) = 76.83 TOTAL AREA(ACRES) = 149,70 TOTAL RUNOFF(CFS) = 158,66 TC(MIN) = 29.29 **************************************************************************** FLOW PROCESS FROM NODE 304.00 TO NODE 304.00 IS CODE = 1 »>»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAMi 2 ARE: TIME OF CONCENTRATION(MINUTES) = 29.29 RAINFALL INTENSITY (INCH./HOUR) = 1.90 TOTAL STREAM AREA (ACRES) = 149.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 158.66 CONFLUENCE INFORMATION; STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 81.46 29.69 1,879 2 158.66 29.29 1,896 STREAMS RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLbwS: 238,74 239,41 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 239,41 TIME(MINUTES) = 29.289 TOTAL AREA(ACRES) = 229.90 **************************************************************************** FLOW PROCESS FROM NODE 304.00 TO NODE 305|. 00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<«« >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 45.0 INCH PIPE IS 35.2 PIPEFLOW VELOCITY(FEET/SEC.) = 25.9 UPSTREAM NODE ELEVATION = 152.00 DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 1850.00 ESTIMATED PIPE DIAMETER(INCH) PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 1.19 63 . 58 MANNINGS N = 45.00 239 .41 TC(MIN.) = INCHES = ,013 NUMBER OF PIPES = 30.48 **************************************************************************** FLOW PROCESS FROM NODE 304.00 TO NODE 305.00 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.847 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 73.70 SUBAREA RUNOFF(CFS) = 74.88 TOTAL AREA(ACRES) = 303.60 TOTAL RUNOFF(CFS) = 314.29 TC(MIN) = 30.48 **************************************************************************** FLOW PROCESS FROM NODE 305.00 TO NODE 306L00 IS CODE = 4 ' »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<«« »»>USING USER-SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET/SEC.) = 25.0 UPSTREAM NODE ELEVATION = 50.79 DOWNSTREAM NODE ELEVATION = 12.66 FLOWLENGTH(FEET) = 1034.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 314.29 TRAVEL TIME(MIN.) = .69 TC(MIN.) = 31,17 **************************************************************************** FLOW PROCESS FROM NODE 306,00 TO NODE 306|. 00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM! 1 ARE: TIME OF CONCENTRATION(MINUTES) =31.17 RAINFALL INTENSITY (INCH./HOUR) = 1.82 ! TOTAL STREAM AREA (ACRES) = 303.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 314.29 ************************************************ * * ************************** FLOW PROCESS FROM NODE 520.00 TO NODE 52lj. 00 IS CODE = 2 i »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<«« =====~~=======================k========================::==z:=::^r==: SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 34.ob UPSTREAM ELEVATION = 63.58 DOWNSTREAM ELEVATION = 63.10 ELEVATION DIFFERENCE = ,48 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) = 1.433 TIME OF CONCENTRATION ASSUMED AS 5-MINUTES 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.928 SUBAREA RUNOFF(CFS) = .56 ' TOTAL AREA(ACRES) = .10 TOTAL RUNOFF(CFS) = .56 **************************************************************************** FLOW PROCESS FROM NODE 521.00 TO NODE 522 LOO IS CODE = 6 — »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< \ UPSTREAM ELEVATION = 63.10 DOWNSTREAM ELEVATION = 21.75 STREET LENGTH(FEET) = 1033.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 34.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 2.07 STREET FLOWDEPTH(FEET) = .26 HALFSTREET FLOODWIDTH(FEET) = 6.83 AVERAGE FLOW VELOCITY(FEET/SEC,) =3.55 PRODUCT OF DEPTH&VELOCITY = .93 STREETFLOW TRAVELTIME(MIN) = 4.85 TC(MIN) = 9.85 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.827 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = ,81 SUBAREA RUNOFF(CFS) = 2,94 SUMMED AREA(ACRES) = ,91 TOTAL RUNOFF(CFS) = 3,51 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .29 HALFSTREET FLOODWIDTH(FEET) = 8,3 6 FLOW VELOCITY(FEET/SEC.) = 4,29 DEPTH*VELOCITY = 1.2 6 **************************************************************************** FLOW PROCESS FROM NODE 522.00 TO NODE 306100 IS CODE = 4 ^ »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREAj««< »»>USING USER-SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 18.0 INCH PIPE IS 2.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 5,28 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN,) = ,00 = 19.6 17.20 I 14.96 MANNINGS N = ,013 , 18.00 NUMBER OF PIPES 3 . 51 TC(MIN.) = 9.86 **************************************************************************** FLOW PROCESS FROM NODE 3 06.00 TO NODE 3 06.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM' 2 ARE: TIME OF CONCENTRATION(MINUTES) = 9.86 RAINFALL INTENSITY (INCH./HOUR) = 3.83 TOTAL STREAM AREA (ACRES) = .91 i TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.51 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 314.29 31.17 1.821 2 3.51 9.86 3.826 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 315.96 153.08 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 315.96 TIME(MINUTES) = 31.171 TOTAL AREA(ACRES) = 3 04.51 **************************************************************************** FLOW PROCESS FROM NODE 306.00 TO NODE 307.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<«« »»>USING USER-SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET/SEC.) = 25.1 UPSTREAM NODE ELEVATION = 22.20 DOWNSTREAM NODE ELEVATION = 21.10 FLOWLENGTH(FEET) = 59.72 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 315.96 TRAVEL TIME(MIN.) = .04 TC(MIN.) = 31.21 **************************************************************************** FLOW PROCESS FROM NODE 430,00 TO NODE 431J00 IS CODE = 2 _ »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<«« SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 34.00 UPSTREAM ELEVATION = 63.58 DOWNSTREAM ELEVATION = 63.51 ELEVATION DIFFERENCE = .07 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 2.588 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. TIME OF CONCENTRATION ASSUMED AS 5-MINUTES 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.928 SUBAREA RUNOFF(CFS) = .56 TOTAL AREA(ACRES) = .10 TOTAL RUNOFF(GFS) = .56 **************************************************************************** FLOW PROCESS FROM NODE 4 31.00 TO NODE 403J00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 63.11 DOWNSTREAM ELEVATION = 2 0.44 STREET LENGTH(FEET) = 1102.50 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 32.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 2.28 STREET FLOWDEPTH(FEET) = ,26 HALFSTREET FLOODWIDTH(FEET) = 6.74 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3,99 PRODUCT OF DEPTH&VELOCITY = 1.04 STREETFLOW TRAVELTIME(MIN) = 4.61 TC(MIN) = 9.61 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.890 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = .95 SUBAREA RUNOFF(CFS) = 3.51 SUMMED AREA(ACRES) = 1.05 TOTAL RUNOFF(CFS) = 4,07 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = ,32 HALFSTREET FLOODWIDTH(FEET) = 9,60 FLOW VELOCITY(FEET/SEC,) = 3,92 DEPTH*VELOCITY = 1.25 **************************************************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 403.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 9.61 RAINFALL INTENSITY (INCH./HOUR) = 3.89 TOTAL STREAM AREA (ACRES) = 1.05 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1 ARE: 4.07 **************************************************************************** FLOW PROCESS FROM NODE 410,00 TO NODE 411i00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<i«« SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 INITIAL SUBAREA FLOW-LENGTH (FEET) = 100. 0(D UPSTREAM ELEVATION = 60.00 DOWNSTREAM ELEVATION = 57.4 0 ELEVATION DIFFERENCE = 2.60 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTESj = *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3,938 SUBAREA RUNOFF(CFS) = .60 TOTAL AREA(ACRES) = .34 TOTAL RUNOFF(CFS) = 9.428 60 **************************************************************************** FLOW PROCESS FROM NODE 411.00 TO NODE 403.00 IS CODE = »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 57.40 STREET LENGTH(FEET) = 1390.00 STREET HALFWIDTH(FEET) = 32.00 SPECIFIED NUMBER OF HALFSTREETS DOWNSTREAM ELEVATION = 20,44 CURB HEIGTH(INCHES) = 6, STREET CROSSFALL(DECIMAL) = .0200 CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(C!FS) STREET FLOWDEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 10.55 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.57 PRODUCT OF DEPTH&VELOCITY = 1.21 STREETFLOW TRAVELTIME(MIN) = 6.48 TC(MIN) = 15.91 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.810 SOIL CLASSIFICATION IS "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA AREA(ACRES) = 3,24 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 3.58 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 13 FLOW VELOCITY(FEET/SEC.) = 4.35 DEPTH*VELOGITY = 4,40 7.74 8.34 41 1.72 **************************************************************************** FLOW PROCESS FROM NODE 403,00 TO NODE 403j00 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) = 15.91 RAINFALL INTENSITY (INCH./HOUR) = 2.81 TOTAL STREAM AREA (ACRES) = 3.58 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 8.34 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 4. 07 9 . 61 3 .890 2 8, 34 15. 91 2 .810 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 10.10 11.28 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: j RUNOFF(CFS) = 11.28 TIME(MINUTES) = 15,912 TOTAL AREA(ACRES) = 4.63 STREAMS **************************************************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 403i00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 15.91 RAINFALL INTENSITY (INCH./HOUR) = 2.81 TOTAL STREAM AREA (ACRES) = 4.63 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1 ARE; 11.28 **************************************************************************** FLOW PROCESS FROM NODE 420.00 TO NODE 42lL00 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 = 14,22(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 205.00 DOWNSTREAM ELEVATION = 195.00 ELEVATION DIFFERENCE = 10.00 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.021 SUBAREA RUNOFF(CFS) = 1,97 TOTAL AREA(ACRES) = 1,45 TOTAL RUNOFF(CFS) = 1.97 **************************************************************************** FLOW PROCESS FROM NODE 421.00 TO NODE 422100 IS CODE = 5 »»>COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< »»>TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 195.00 DOWNSTREAM NODE ELEVATION = 14.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1180.00 CHANNEL BASE(FEET) = .00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .03 0 MAXIMUM DEPTH(FEET) ; = 5, CHANNEL FLOW THRU SUBAREA(CFS) = 1.97 FLOW VELOCITY(FEET/SEC) = 5.86 FLOW DEPTH(FEET) TRAVEL TIME(MIN.) = 3.3 6 TC(MIN.) = 17.57 00 -41 **************************************************************************** FLOW PROCESS FROM NODE 422.00 TO NODE 422100 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.635 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = ,4500 ! SUBAREA AREA(ACRES) = 21,67 SUBAREA RUNOFF(CFS) = 25,70 TOTAL AREA(ACRES) = 23.12 TOTAL RUNOFF(CFS) = 27.67 TC(MIN) =17.57 **************************************************************************** FLOW PROCESS FROM NODE 422.00 TO NODE 403100 IS CODE = 4 : *~ »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<^«« »»>USING USER-SPECIFIED PIPESIZE««< _±___________ PIPEFLOW VELOCITY(FEET/SEC.) = 8.8 UPSTREAM NODE ELEVATION = 12.4 0 DOWNSTREAM NODE ELEVATION = 12.20 FLOWLENGTH(FEET) = 20.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 27.67 TRAVEL TIME(MIN.) = .04 TC(MIN.) = 17.61 **************************************************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 403.00 IS CODE = 1 j »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< \ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.61 RAINFALL INTENSITY (INCH./HOUR) = 2.63 TOTAL STREAM AREA (ACRES) =23.12 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 27.67 **************************************************************************** FLOW PROCESS FROM NODE 400.00 TO NODE 401L00 IS CODE = 2 i »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<;«« SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.45(MINUTES) | INITIAL SUBAREA FLOW-LENGTH(FEET) = 42 0.00 UPSTREAM ELEVATION = 200.00 DOWNSTREAM ELEVATION = 190.00 ELEVATION DIFFERENCE =10.00 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.132 SUBAREA RUNOFF(CFS) = 1.2 3 TOTAL AREA(ACRES) = .87 TOTAL RUNOFF(pFS) = 1,2 3 ***********************************************^**************************** FLOW PROCESS FROM NODE 401,00 TO NODE 402i. 00 IS CODE = 5 »»>COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< »»>TRAVELTIME THRU SUBAREA««< 1 2 3 11.28 27.67 5.65 15.91 17.61 17.94 2.810 2 . 632 2.600 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 42.43 43.82 43.43 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 43.82 TIME(MINUTES) = 17.611 TOTAL AREA(ACRES) = 32.36 **************************************************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 404100 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<«« »»>USING USER-SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 104.71 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = .28 6.2 11.80 11.30 MANNINGS N = .013 3 6.00 NUMBER OF PIPES = 43.82 I TC(MIN.) = 17,89 **************************************************************************** FLOW PROCESS FROM NODE 404,00 TO NODE 307|,00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAMI 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.89 RAINFALL INTENSITY (INCH./HOUR) = 2.60 TOTAL STREAM AREA (ACRES) = 32.36 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = ^3.82 **************************************************************************** FLOW PROCESS FROM NODE 3 06.00 TO NODE 307j. 00 IS CODE = 7 »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 31.21 RAIN INTENSITY (INCH/HOUR) '= 1.82 TOTAL AREA(ACRES) = 304.51 TOTAL RUNOFF(CFS) = 315,96 **************************************************************************** FLOW PROCESS FROM NODE 307.00 TO NODE 307.00 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) = 31.21 | RAINFALL INTENSITY (INCH./HOUR) = 1.82 TOTAL STREAM AREA (ACRES) = 304.51 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 315.96 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) (MIN.) INTENSITY (INCH/HOUR) 1 2 43.82 315.96 17.89 31.21 2 , 1, 605 819 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 264.51 346.57 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 346.57 TIME(MINUTES) = 31.210 TOTAL AREA(ACRES) = 3 3 6,87 STREAMS **************************************************************************** FLOW PROCESS FROM NODE 3 07.00 TO NODE 308.; 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) = 138.28 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = .16 = 14.6 10.91 10.22 MANNINGS N = .013 66.00 NUMBER OF PIPES = 346.57 TC(MIN.) = 31.37 **************************************************************************** FLOW PROCESS FROM NODE 500.00 TO NODE 501100 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 = 11.89(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 630.00 UPSTREAM ELEVATION = 190.00 DOWNSTREAM ELEVATION = 30.00 ELEVATION DIFFERENCE = 160.00 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.390 SUBAREA RUNOFF(CFS) = 3,69 TOTAL AREA(ACRES) = 2.42 TOTAL RUNOFF(CFS) = 3 . 69 **************************************************************************** FLOW PROCESS FROM NODE 501.00 TO NODE 502.00 IS CODE = 5 >»»COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< >»»TRAVELTIME THRU SUBAREA««< j UPSTREAM NODE ELEVATION = 3 0.00 DOWNSTREAM NODE ELEVATION = 20.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1050.00 CHANNEL BASE(FEET) = .00 "Z" FACTOR = 2.000 MANNINGS FACTOR = ,030 MAXIMUM DEPTH(FEET)1= 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 3.69 FLOW VELOCITY(FEET/SEC) = 2.62 FLOW DEPTH(FEET) = .84 TRAVEL TIME(MIN.) = 6.69 TC(MIN,) = 18.58 **************************************************************************** FLOW PROCESS FROM NODE 501.00 TO NODE 502.00 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.542 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = ,4500 SUBAREA AREA(ACRES) = 12.03 SUBAREA RUNOFF(CFS) = 13.76 TOTAL AREA(ACRES) = 14.45 TOTAL RUNOFF(CFS) = 17.45 TC(MIN) =18.58 **************************************************************************** FLOW PROCESS FROM NODE 502.00 TO NODE 502j00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAMi 1 ARE: TIME OF CONCENTRATION(MINUTES) =18.58 ! RAINFALL INTENSITY (INCH./HOUR) = 2.54 TOTAL STREAM AREA (ACRES) =14.45 j TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 17,4 5 **************************************************************************** FLOW PROCESS FROM NODE 510,00 TO NODE 502 100 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 = 13,78(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 980,00 UPSTREAM ELEVATION = 120.00 DOWNSTREAM ELEVATION = 20.00 ELEVATION DIFFERENCE = 100.00 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.083 SUBAREA RUNOFF(CFS) = 9.71 TOTAL AREA(ACRES) = 7.00 TOTAL RUNOFF(CFS) 9.71 **************************************************************************** FLOW PROCESS FROM NODE 502.00 TO NODE 502 100 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAMI 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.78 RAINFALL INTENSITY (INCH./HOUR) = 3.08 TOTAL STREAM AREA (ACRES) = 7.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9,71 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN,) (INCH/HOUR) 1 2 17,45 9.71 18.58 13 .78 2.542 3 . 083 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 25.46 24.10 I COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS:! RUNOFF(CFS) = 25.46 TIME(MINUTES) = lb.581 TOTAL AREA(ACRES) = 21.45 **************************************************************************** FLOW PROCESS FROM NODE 502.00 TO NODE 308i, 00 IS CODE = 4 >»»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREAk«« »»>USING USER-SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 2 0.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = .04 = 8.1 ; 10.46 10.22 MANNINGS N = .!oi3 24.00 NUMBER pF PIPES 25.46 TC(MIN.) = 18.62 *********************************************** FLOW PROCESS FROM NODE 308.00 TO NODE 308.00 IS CODE = —— —————— j—— — >»>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<« ***************************** 1 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.62 RAINFALL INTENSITY (INCH./HOUR) = 2.54 TOTAL STREAM AREA (ACRES) = 21.45 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 25.46 **************************************************************************** FLOW PROCESS FROM NODE 307.00 TO NODE 308]00 IS CODE = 7 »>»USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 31.37 RAIN INTENSITY(INCH/HOUR) = 1.81 TOTAL AREA(ACRES) = 336.87 TOTAL RUNOFF(CFS) = 346.57 **************************************************************************** FLOW PROCESS FROM NODE 308.00 TO NODE 308100 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I 2 ARE: TIME OF CONCENTRATION(MINUTES) = 31.37 | RAINFALL INTENSITY (INCH./HOUR) = 1.81 j TOTAL STREAM AREA (ACRES) = 3 3 6.87 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 346.57 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY j NUMBER (CFS) (MIN.) (INCH/HOUR) j 1 25.46 18.62 2.539 2 346.57 31.37 1.813 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 273.04 364.76 i COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 364.76 TIME(MINUTES) = 31.370 TOTAL AREA(ACRES) = 358.3 2 END OF RATIONAL METHOD ANALYSIS 100 Year Hydrology RATIONAL METHOD HYDROLOGY COMPUTER IfROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1985,1981 HYDROLOGY MANUAL <«««<<<«««<<«<«<«««<<<<«<<»>>»>»>>»»»»»»>>>>»>>>»>»> (C) Copyright 1982,1986 Advanced Engineering Software [AES] Especially prepared for: BSI CONSULTANTS j <<<<<<«<<<«<<«<<<««<<«<<<<<<<<<<>>»»»>»»>»>»>>>>>»>»>>>>>>>>> **********DESCRIPTION OF RESULTS******************************************** * CITY OF CARLSBAD - MONROE STREET * * HYDROLOGIC ANALYSIS - 100 YR. STORM * * DATE: 5/8/89 * **************************************************************************** USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENT(YEAR) = 100.00 6-HOUR DURATION PRECIPITATION (INCHES) = 2.600 I SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 <<<<<«<<«<<<<<<<<<<<<<<<«<<«<<<«<>>>»»>>>>>»»>»>>>>»>>>»>>>>>>>> Advanced Engineering Software [AES] SERIAL No. I0723I VER. 3.4A RELEASE DATE: ^/22/86 <<<<<<<<<<<«<<<<<<<<<<<<<<<<<<<<<<<<<»>>»>>>>>>>>»>»>>>>»>>>>>>>>>>>>> **************************************************************************** FLOW PROCESS FROM NODE 100.00 TO NODE lOlj.OO IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT 1= .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 185.00 DOWNSTREAM ELEVATION = 168.00 ELEVATION DIFFERENCE = 17.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.985 SUBAREA RUNOFF(CFS) = 2,3 0 j TOTAL AREA(ACRES) = 1,4 0 TOTAL RUNOFF(CFS) = 18.128 2.30 **************************************************************************** FLOW PROCESS FROM NODE 101.00 TO NODE 102.00 IS CODE = 6 I »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< 154.00 . 0200 UPSTREAM ELEVATION = 168.00 DOWNSTREAM ELEVATION = STREET LENGTH(FEET) = 1680.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DECIMAL) = SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3 0.24 ***STREET FLOWING FULL*** STREET FLOWDEPTH(FEET) = .57 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET/SEC,) = 3,45 PRODUCT OF DEPTH&VELOCITY = 1,96 STREETFLOW TRAVELTIME(MIN) = 8.12 TC(MIN)! = 2 6.25 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.351 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 42.80 SUBAREA RUNOFF(CFS) = 55.34 SUMMED AREA(ACRES) = 44.20 TOTAL RUNOFF(CFS) = 57.64 END OF SUBAREA STREETFLOW HYDRAULICS: j DEPTH(FEET) = .67 HALFSTREET FLOODWIDTH(FEET) = 2 0.00 FLOW VELOCITY (FEET/SEC. ) = 4.55 DEPTH*VELO!CITY = 3.03 **************************************************************************** FLOW PROCESS FROM NODE 102.00 TO NODE 102i.OO IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM! 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.25 j RAINFALL INTENSITY (INCH./HOUR) = 2.35 TOTAL STREAM AREA (ACRES) = 44.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 57.64 **************************************************************************** FLOW PROCESS FROM NODE 200.00 TO NODE 201,00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT =r .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) = 500, ocj UPSTREAM ELEVATION = 159.00 DOWNSTREAM ELEVATION = 156.00 ELEVATION DIFFERENCE = 3.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.321 SUBAREA RUNOFF(CFS) = 15.57 TOTAL AREA(ACRES) = 12.20 TOTAL RUNOFF(GFS) 26.781 15.57 **************************************************************************** FLOW PROCESS FROM NODE 201.00 TO NODE 102.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< 153.00 .0200 29.04 UPSTREAM ELEVATION = 156.00 DOWNSTREAM ELEVATION = STREET LENGTH(FEET) = 850.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DECIMAL) SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) ***STREET FLOWING FULL*** i STREET FLOWDEPTH(FEET) = .63 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.61 PRODUCT OF DEPTH&VELOCITY = 1.64 STREETFLOW TRAVELTIME(MIN) = 5.42 TC(MIN) 32 .20 2 . 060 100 YEAR RAINFALL INTENSITY(INCH/HOUR) SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = ,5500 SUBAREA AREA(ACRES) = 2 3,80 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 36.00 TOTAL RUNOFF(CFS) = END.OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .70 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET/SEC.) = 2.99 DEPTH*VELOCITY 26.97 42 . 54 2.11 **************************************************************************** FLOW PROCESS FROM NODE 102.00 TO NODE 102;00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR C0NFLUENCE«<« »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM; 2 ARE: TIME OF CONCENTRATION(MINUTES) = 32.20 j RAINFALL INTENSITY (INCH./HOUR) = 2.06 TOTAL STREAM AREA (ACRES) =36.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE =42.54 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 2 57 . 64 42.54 26.25 32.20 2.351 2.060 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 94.92 93.06 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: \ RUNOFF(CFS) = 94.92 ' TIME(MINUTES) = 26.249 TOTAL AREA(ACRES) = 80.20 **************************************************************************** FLOW PROCESS FROM NODE 102,00 TO NODE 304:00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREAk«« »»>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW) ««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 43 PIPEFLOW VELOCITY(FEET/SEC.) = 7.0 UPSTREAM NODE ELEVATION = 153.00 1 INCHES DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 1100.00 ESTIMATED PIPE DIAMETER(INCH) PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 2.63 150.00 MANNINGS N = 54.00 94.92 TC(MIN.) = 28.87 .013 NUMBER OF PIPES = **************************************************************************** FLOW PROCESS FROM NODE 304.00 TO NODE 304|. 00 IS CODE = 1 ! »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 28.87 RAINFALL INTENSITY (INCH./HOUR) = 2.21 TOTAL STREAM AREA (ACRES) = 80.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 94.92 **************************************************************************** FLOW PROCESS FROM NODE 301,00 TO NODE 302|.00 IS CODE = 2 >»»RATIONAL METHOD INITIAL SUBAREA ANALYSIS'<«« SOIL CLASSIFICATION IS "D" ' SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) = 500. OiO UPSTREAM ELEVATION = 350.00 DOWNSTREAM ELEVATION = 292.00 ELEVATION DIFFERENCE = 58.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 19.859 I I *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.814 SUBAREA RUNOFF(CFS) = 3.87 TOTAL AREA(ACRES) = 2.50 TOTAL RUNOFF(CFS) = 3.87 **************************************************************************** FLOW PROCESS FROM NODE , 302.00 TO NODE 303i00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 292.00 DOWNSTREAM ELEVATION = 202.00 STREET LENGTH(FEET) = 3000,00 CURB HEIGTH(INCHES) = 8, STREET HALFWIDTH(FEET) = 32.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 49.89 STREET FLOWDEPTH(FEET) = .56 HALFSTREET FLOODWIDTH(FEET) = 20.28 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.80 PRODUCT OF DEPTH&VELOCITY = 3.27 STREETFLOW TRAVELTIME(MIN) = 8.62 TC(MIN) = 28.48 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.230 SOIL CLASSIFICATION IS "D" ! SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 73.50 SUBAREA RUNOFF(CFS) = 90.15 SUMMED AREA(ACRES) = 76.00 TOTAL RUNOFF(CFS) = 94,02 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .68 HALFSTREET FLOODWIDTH(FEET) = 25.91 FLOW VELOCITY(FEET/SEC.) = 6.81 DEPTH*VELoblTY = 4.61 ***********************************************lfc**************************** FLOW PROCESS FROM NODE 303.00 TO NODE 304|. 00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<«« »»>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW) ««< DEPTH OF FLOW IN 3 3.0 INCH PIPE IS 25,4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) =19.2 UPSTREAM NODE ELEVATION = 200.00 DOWNSTREAM NODE ELEVATION = 152.00 FLOWLENGTH(FEET) = 12 00.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 3 3.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 94.02 | TRAVEL TIME(MIN.) = 1.04 TC(MIN.) = 29.53 **************************************************************************** FLOW PROCESS FROM NODE 303.00 TO NODE 304,00 IS CODE = 8 >»»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< I 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.179 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 73.70 SUBAREA RUNOFF(CFS) = TOTAL AREA(ACRES) = 149.70 TOTAL RUNOFF(CFS) = 182- TC(MIN) = 29.53 88 35 33 **************************************************************************** FLOW PROCESS FROM NODE 304.00 TO NODE 304i00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<«« »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< 2 ARE; CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 29.53 RAINFALL INTENSITY (INCH./HOUR) = 2.18 TOTAL STREAM AREA (ACRES) = 149.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 182.35 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 94. 92 28. 87 2 .211 2 182. 35 29 . 53 2 . 179 STREAMS RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 274.67 275.92 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 275.92 TIME(MINUTES) = 29.525 TOTAL AREA(ACRES) = 229.90 **************************************************************************** FLOW PROCESS FROM NODE 304.00 TO NODE 305.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA|C«« »»>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW) ««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 36, PIPEFLOW VELOCITY(FEET/SEC.) = 26,9 UPSTREAM NODE ELEVATION = 152.00 5 INCHES DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 1850.00 ESTIMATED PIPE DIAMETER(INCH) PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = 1,15 63.58 MANNINGS N = 48.00 275.92 TC(MIN.) = = .013 NUMBER OF PIPES = 30.^7 **************************************************************************** FLOW PROCESS FROM NODE 304.00 TO NODE 305;. 00 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.126 SOIL CLASSIFICATION IS "D" I SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 73.70 SUBAREA RUNOFF(CFS) = 86,19 TOTAL AREA(ACRES) = 303.60 TOTAL RUNOFF(CFS) = 362.11 TC(MIN) = 30.67 **************************************************************************** FLOW PROCESS FROM NODE 305.00 TO NODE 306.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE<«« PIPEFLOW VELOCITY(FEET/SEC.) = 28.8 UPSTREAM NODE ELEVATION = 50,79 DOWNSTREAM NODE ELEVATION = 12.66 FLOWLENGTH(FEET) = 1034.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES PIPEFLOW THRU SUBAREA(CFS) = 362.11 TRAVEL TIME(MIN.) = .60 TC(MIN.) = 31,27 **************************************************************************** FLOW PROCESS FROM NODE 306.00 TO NODE 306|.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 31.27 RAINFALL INTENSITY (INCH./HOUR) = 2.10 TOTAL STREAM AREA (ACRES) = 303,60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3 1 ARE: 62,11 **************************************************************************** FLOW PROCESS FROM NODE 520,00 TO NODE 521.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<«« t I SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = ,9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 34,00 UPSTREAM ELEVATION = 63.58 DOWNSTREAM ELEVATION = 63.10 ELEVATION DIFFERENCE = .48 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTESj) = 1.433 TIME OF CONCENTRATION ASSUMED AS 5-MINUTES 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 6.^850 SUBAREA RUNOFF(CFS) = .65 TOTAL AREA(ACRES) = .10 TOTAL RUNOFF(iCFS) = .65 I I **************************************************************************** FLOW PROCESS FROM NODE 521.00 TO NODE 522.00 IS CODE =6 >» »COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< 2.42 UPSTREAM ELEVATION = 63,10 DOWNSTREAM ELEVATION = 21.75 STREET LENGTH(FEET) = 1033.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 34.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREET FLOWDEPTH(FEET) = .27 HALFSTREET FLOODWIDTH(FEET) = 7.34 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 3,1.68 PRODUCT OF DEPTH&VELOCITY = 1.01 STREETFLOW TRAVELTIME(MIN) = 4.68 TC(MIN) = 9.68 4.474 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = .81 SUBAREA RUNOFF(CFS) SUMMED AREA(ACRES) = .91 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .31 HALFSTREET FLOODWIDTH(FEET) = FLOW VELOCITY(FEET/SEC.) = 4.11 DEPTH*VELOCITY = 3,44 4,09 , 37 1.29 **************************************************************************** FLOW PROCESS FROM NODE 52 2.00 TO NODE 306L00 IS »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA^«« »»>USING USER-SPECIFIED PIPESIZE««< , DEPTH OF FLOW IN 18.0 INCH PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 5.2 8 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = .00 3.1 INCHES PIPE IS = 20.5 17.20 14.96 MANNINGS N = . 18.00 NUMBER 4 , 09 TC(MIN.) = 9 013 OF PIPES = 68 **********************************************^***************************** FLOW PROCESS FROM NODE 3 06.00 TO NODE 30^.00^13 ~~»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM yALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 9,68 RAINFALL INTENSITY (INCH./HOUR) = 4,47 TOTAL STREAM AREA (ACRES) = .91 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2 ARE: 4.09 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 362.11 31.27 2.100 2 4.09 9.68 4.473 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 364.03 174.08 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 364.03 TIME(MINUTES) = 31.269 TOTAL AREA(ACRES) = 3 04.51 **************************************************************************** FLOW PROCESS FROM NODE 306.00 TO NODE 307100 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREAk:«« »»>USING USER-SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 59.72 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = .03 = 29.0 22.20 21.10 MANNINGS N = . 48.00 NUMBER 364.03 TC(MIN.) = 31. 013 (DF PIPES 30 *********************************************** FLOW PROCESS FROM NODE 430.00 TO NODE 431 ***************************** .00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<«« SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = ,9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 34,00 UPSTREAM ELEVATION = 63.58 DOWNSTREAM ELEVATION = 63.51 ELEVATION DIFFERENCE = .07 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USE!D. TIME OF CONCENTRATION ASSUMED AS 5-MINUTES 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.850 SUBAREA RUNOFF(CFS) = .65 TOTAL AREA(ACRES) = .10 TOTAL RUNOFF(CFS) = 2.588 65 **************************************************************************** FLOW PROCESS FROM NODE 431.00 TO NODE 403!. 00 IS CODE = 6 >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 63.11 DOWNSTREAM ELEVATION = 20,44 STREET LENGTH(FEET) = 1102,50 CURB HEIGTH(INCHES) = 6, STREET HALFWIDTH(FEET) = 32.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 2.73 STREET FLOWDEPTH(FEET) = .28 HALFSTREET FLOODWIDTH(FEET) = 7.70 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.84 PRODUCT OF DEPTH&VELOCITY = 1.08 STREETFLOW TRAVELTIME(MIN) = 4.78 TC(MIN) = 9.78 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.443 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = .95 SUBAREA RUNOFF!(CFS) = 4.01 SUMMED AREA(ACRES) = 1,05 TOTAL RUNOFF(CFS) = 4.66 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .32 HALFSTREET FLOODWIDTH(FEE|T) = 9.60 FLOW VELOCITY(FEET/SEC.) = 4.4 8 DEPTH*VELOCITY = 1.43 **************************************************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 403.|00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 9.78 RAINFALL INTENSITY (INCH./HOUR) = 4.44 TOTAL STREAM AREA (ACRES) = 1.05 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1 ARE: 4.66 **************************************************************************** FLOW PROCESS FROM NODE 410,00 TO NODE 411^00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<«« \ =ir===:=== SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 100.00 UPSTREAM ELEVATION =60.00 DOWNSTREAM ELEVATION = 57.4 0 | ELEVATION DIFFERENCE = 2.60 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) = 9.428 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) =4.550 SUBAREA RUNOFF(CFS) = .70 TOTAL AREA(ACRES) = .34 TOTAL RUNOFF(CFS) = .70 0 **************************************************************************** FLOW PROCESS FROM NODE 411.00 TO NODE 403i00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 57.4 0 DOWNSTREAM ELEVATION = 20.44 STREET LENGTH(FEET) = 1390.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 32.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 5.26 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.51 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.64 PRODUCT OF DEPTH&VELOCITY = 1.30 STREETFLOW TRAVELTIME(MIN) = 6.36 TC(MIN) = 15.79 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.263 SOIL CLASSIFICATION IS "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA AREA(ACRES) = 3.24 SUBAREA RUNOFF(CFS) = 8,99 SUMMED AREA(ACRES) = 3.58 TOTAL RUNOFF(CFS) = 9.68 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .41 HALFSTREET FLOODWIDTH(FEET) = 14.37 FLOW VELOCITY(FEET/SEC.) = 4.44 DEPTH*VELOCITY = 1.84 **************************************************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 403.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 15.79 RAINFALL INTENSITY (INCH./HOUR) = 3.26 TOTAL STREAM AREA (ACRES) = 3.58 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 2 ARE; 9.68 1 2 4 . 66 9.68 9.78 15.79 4.443 3.263 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 11,77 13.11 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS :j RUNOFF(CFS) = 13.11 TIME(MINUTES) = 15.785 TOTAL AREA(ACRES) = 4.63 ! *********************************************** ***************************** FLOW PROCESS FROM NODE 403.00 TO NODE 403.00 IS CODE = »>»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAMi 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.79 RAINFALL INTENSITY (INCH./HOUR) = 3.26 TOTAL STREAM AREA (ACRES) = 4.63 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.11 **************************************************************************** FLOW PROCESS FROM NODE 420.00 TO NODE 421.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<«« SOIL CLASSIFICATION IS "D" { RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTiElATION WITH 10-MINUTES ADDED = 14.22(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 2 05.00 DOWNSTREAM ELEVATION = 195.00 ELEVATION DIFFERENCE = 10.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.491 SUBAREA RUNOFF(CFS) = 2.28 TOTAL AREA(ACRES) = 1.45 TOTAL RUNOFF(CFS) = 2.2 8 **************************************************************************** FLOW PROCESS FROM NODE 421.00 TO NODE 4221.00 IS CODE = 5 »»>COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< »»>TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 195.00 DOWNSTREAM NODE ELEVATION = 14.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1180.00 CHANNEL BASE(FEET) = .00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .03 0 MAXIMUM DEPTH(FEET) | = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2.28 { FLOW VELOCITY (FEET/SEC) = 6.77 FLOW DEPTH!(FEET) = .41 TRAVEL TIME(MIN.) = 2,90 TC(MIN.) = 17,12 **************************************************************************** FLOW PROCESS FROM NODE 422.00 TO NODE 422|,00 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.097 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 , SUBAREA AREA(ACRES) = 21.67 SUBAREA RUNOFF(CFS) 30.20 TOTAL AREA(ACRES) = TC(MIN). = 17.12 2 3.12 TOTAL RUNOFF(CFS) 32.48 **************************************************************************** FLOW PROCESS FROM NODE 422.00 TO NODE 403J00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<«« »»>USING USER-SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET/SEC.) = 10.3 UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 20.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = ,03 12.40 12.20 MANNINGS N = .013 24.00 NUMBER OF PIPES 32.48 I TC(MIN.) = 17.15 **************************************************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 403.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 17.15 RAINFALL INTENSITY (INCH./HOUR) = 3.09 TOTAL STREAM AREA (ACRES) = 23.12 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2 ARE: 32 .48 **************************************************************************** FLOW PROCESS FROM NODE 4 00.00 TO NODE 4Oil 00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSISiC«« SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13,45(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 42 0.00 UPSTREAM ELEVATION = 200.00 DOWNSTREAM ELEVATION = 190.00 ELEVATION DIFFERENCE = 10.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3 . 619 SUBAREA RUNOFF(CFS) = 1.42 TOTAL AREA(ACRES) = .87 TOTAL RUNOFF(CFS) 1.42 **************************************************************************** FLOW PROCESS FROM NODE 401.00 TO NODE 402!. 00 IS CODE = 5 »»>COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< »»>TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 190.00 DOWNSTREAM NODE ELEVATION = 21.50 CHANNEL LENGTH THRU SUBAREA(FEET) = 1400.00 CHANNEL BASE(FEET) = .00 "Z» FACTOR = 2.000 MANNINGS FACTOR = .03 0 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1.42 FLOW VELOCITY(FEET/SEC) = 5.14 FLOW DEPTH(FEET) = TRAVEL TIME(MIN.) = 4.54 TC(MIN.) = 17.98 37 **************************************************************************** FLOW PROCESS FROM NODE 401.00 TO NODE 402|, 00 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.000 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 3.74 SUBAREA RUNOFF(CFS) = 5.05 TOTAL AREA(ACRES) = 4.61 TOTAL RUNOFF(CFS) = 6.47 TC(MIN) = 17.98 *********************************************** FLOW PROCESS FROM NODE 402.00 TO NODE 403 ***************************** .00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREAk«« »»>USING USER-SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 124.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = ,29 7,2 14.28 12.30 MANNINGS N = , 18.00 NUMBER 6.47 TC(MIN.) = 18. 013 OF PIPES 27 *********************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 403 ***************************** .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) = 18.27 RAINFALL INTENSITY (INCH./HOUR) = 2.97 TOTAL STREAM AREA (ACRES) = 4.61 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY 3 ARE: 6.47 NUMBER (CFS) (MIN.) (INCH/HOUR) 1 2 3 13.11 32.48 6.47 15.79 17.15 18.27 3.263 3.093 2 .970 STREAMS RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS; 49.77 51.11 49.57 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 51.11 TIME(MINUTES) = 17.153 TOTAL AREA(ACRES) = 32.36 **************************************************************************** FLOW PROCESS FROM NODE 403.00 TO NODE 404:00 IS CODE = 4 »>»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<;«« »»>USING USER-SPECIFIED PIPESIZE««< I PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 104.71 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = .24 7.2 11.80 11. 30 MANNINGS N = .013 3 6.00 NUMBER OF PIPES 51.11 I TC(MIN.) = 17.39 **************************************************************************** FLOW PROCESS FROM NODE 4 04.00 TO NODE 307L00 IS CODE = 1 »>»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE«<« CONFLUENCE VALUES USED FOR INDEPENDENT STREAM| 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.39 RAINFALL INTENSITY (INCH./HOUR) = 3.07 TOTAL STREAM AREA (ACRES) = 32.36 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 51.11 **************************************************************************** FLOW PROCESS FROM NODE 306.00 TO NODE 307|. 00 IS CODE = 7 »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 31.30 RAIN INTENSITY(INCH/HOUR) = 2.10 TOTAL AREA(ACRES) = 3 04.51 TOTAL RUNOFF(CFS) 364.03 **************************************************************************** FLOW PROCESS FROM NODE 307.00 TO NODE 307.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUE^^CE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE; TIME OF CONCENTRATION(MINUTES) = 31.30 RAINFALL INTENSITY (INCH./HOUR) = 2.10 TOTAL STREAM AREA (ACRES) = 304.51 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 364.03 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 2 51.11 364.03 17, 31. 39 30 3.065 2.099 STREAMS RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 300.33 399.02 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 399.02 TIME(MINUTES) = 31.300 TOTAL AREA(ACRES) = 3 3 6.87 ***************************************************************************** FLOW PROCESS FROM NODE 307.00 TO NODE 308i00 IS CODE = 4 >»»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<:«« »»>USING USER-SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 138.28 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = .14 = 16.8 10.91 10.22 MANNINGS N = .013 66.00 NUMBER OF PIPES 399.02 TC(MIN.) = 31.44 **************************************************************************** FLOW PROCESS FROM NODE 500.00 TO NODE SOlloO IS CODE = 2 »>»RATIONAL METHOD INITIAL SUBAREA ANALYSIS<c«« SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 j- NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.89(MINUTES) j INITIAL SUBAREA FLOW-LENGTH(FEET) = 630.00 UPSTREAM ELEVATION = 190.00 DOWNSTREAM ELEVATION = 3 0.00 ELEVATION DIFFERENCE = 160.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3 SUBAREA RUNOFF(CFS) = 4.27 917 I I TOTAL AREA(ACRES) = 2.42 TOTAL RUNOFF(CFS) 4.27 **************************************************************************** FLOW PROCESS FROM NODE 501.00 TO NODE 502.00 IS CODE = 5 »»>COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< »»>TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 30.00 ' DOWNSTREAM NODE ELEVATION = 20.00^ CHANNEL LENGTH THRU SUBAREA(FEET) = 1050.00 CHANNEL BASE(FEET) = .00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 4.27 FLOW VELOCITY(FEET/SEC) = 2.53 FLOW DEPTH(FEET) TRAVEL TIME(MIN.) = 6.91 TC(MIN.) = 18.81 92 **************************************************************************** FLOW PROCESS FROM NODE 501.00 TO NODE 502.00 IS CODE = 8 »>»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW|««< 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2 . 9ll5 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 j SUBAREA AREA(ACRES) = 12.03 SUBAREA RUNOFF(CFS) = 15,78 TOTAL AREA(ACRES) = 14.45 TOTAL RUNOFF(CFS) = 20,04 TC(MIN) =18.81 **************************************************************************** FLOW PROCESS FROM NODE 502,00 TO NODE 502,joO IS CODE = 1 ————————— ——————————— — — ——— .————— — ————— »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 18.81 RAINFALL INTENSITY (INCH./HOUR) = 2.91 TOTAL STREAM AREA (ACRES) = 14.45 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1 ARE; 20.04 **************************************************************************** FLOW PROCESS FROM NODE 510.00 TO NODE 502100 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 = 13.78(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 980.00 UPSTREAM ELEVATION = 120.00 DOWNSTREAM ELEVATION = 20.00 ELEVATION DIFFERENCE = 100.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.562 SUBAREA RUNOFF(CFS) = 11.22 TOTAL AREA(ACRES) = 7.00 TOTAL RUNOFF(CFS) = 11.22 **************************************************************************** FLOW PROCESS FROM NODE 502.00 TO NODE 502100 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) = 13.78 RAINFALL INTENSITY (INCH,/HOUR) = 3.56 TOTAL STREAM AREA (ACRES) = 7.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11.22 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 2 20. 04 11. 22 18.81 13.78 2.915 3.562 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 29.23 27.62 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 29.23 TIME(MINUTES) = 18.808 TOTAL AREA(ACRES) = 21.45 **************************************************************************** FLOW PROCESS FROM NODE 502.00 TO NODE 308.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREAk«« »»>USING USER-SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET/SEC.) UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTH(FEET) = 20.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN,) = .04 9.3 10,46 10,22 MANNINGS N = .013 24.00 NUMBER bF PIPES = 29.23 TC(MIN.) = 18.84 **************************************************************************** FLOW PROCESS FROM NODE 308.00 TO NODE 308.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) =18.84 RAINFALL INTENSITY (INCH./HOUR) = 2.91 TOTAL STREAM AREA (ACRES) = 21.45 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2 1 ARE: 9,23 **************************************************************************** FLOW PROCESS FROM NODE 307.00 TO NODE 308 00 IS CODE »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 31.44 RAIN INTENSITY(INCH/HOUR) TOTAL AREA(ACRES) = 33 6.87 TOTAL RUNOFF( CFS 2.09 !) = 399.02 **************************************************************************** FLOW PROCESS FROM NODE 308.00 TO NODE 308 .loO IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VXLUES««< 2 ARE: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 31.44 RAINFALL INTENSITY (INCH./HOUR) = 2.09 TOTAL STREAM AREA (ACRES) = 33 6.87 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 399.02 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 2 29.23 399.02 18.84 31.44 2.911 2 . 093 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 316.04 420.03 I COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 420.03 TIME(MINUTES) = 31.440 TOTAL AREA(ACRES) = 3 58.3 2 j END OF RATIONAL METHOD ANALYSIS Curb Inlet Calculations CATCH &ASItsi Smit^G : FL014 e-Y e-ASIMS - LI3E CHAKT 1-I03.G. A SAe INLET - PEf^ CITT orCAR.LS&AD I^eSlciN CRITERIA - CPS HSR, U sJ eAL, FOPT MOMKOB -STf^EET- FLOtA/-e>T ^ STATIOM LT (?TK\gUTA-R.Tso ~ "^^^ ~" '"'-OW-OY CX)Mp(T10N PEP. CHAf=^X I-I04-. IZ Y= O.Sl' P^f^ I -1 0-3. 6 A Q= 0,-7 L CA+Y)^/^ DEPT14 or f=LOVM I KJ Af=f=R.OAC (4 0,KJTT\=K IN f=eeT A= PcPTH OF c©Pf^E,5«Slc?Ni or- FCUW i-'MS AT /WH^T-= <S.^"- C?,5|-7' L- L^KiecTH oLEA^t^ ^r^f-J/t\l6( 0(=^ IML_eT (S! ^ rcow iM CFS EXISTIM^S- &' TYFE &-( IMl-ET l-S- Aoe<S.vJATe MARF2.0M r^cy^D - v5UMP CjOt40iTIOSl, &TA.riO'^ v52 + 4-S LT. USE TYPE 0-1 car^f3 IMLEJ CHART 1-103.5 A CAPACITY OF CURB OPENING INLETS ASSUMED 2% CROWN. Q = 0.7L (A+Y) 3/2 *A = 0.33 Y = HEIGHT OF WATER AT CURB FACE REFER TO CHART l-10i|.12 L = LENGTH OF CLEAR OPENING OF INLET *Use A==0 when the inlet is adjacent to traffic; i.e., for a Type "J" median inlet or where the parking lane is removed. (0.4' MAXIMUM) REV. CITY OF SAN DIEGO - DESIGN GUIDE CAPACITY OF CURB OPENING INLETS SHT. NO. 13 2 S «S«7e»lO 2c DISCHARGE ONE SIDE EXAMPLE: Givtn: 0 5 10 5 » 2.5 V. Chart 9vtj: 0«pm = a4, Vtlocity i 4.4 Ifx*. REV. CITY OF SAN DIEGO - DESIGN GUIDE SHT. NC. GUTTER AND ROADWAY DISCHARGE-VELOCITY CHART 7 OA Street Flow Calculations I I I I BSI STREET FLOW PRDGRflM 10 YEAR STORM - STREET CflPflCITY fiNflLYSllS 1. .!/£ STREET WIDTH (feet) £. PfiRKWflY WIDTH (feet) 3. CURB FACE HEIGHT (feet) |. , 4. CURB BfiTTER (4:1£ for Lfl Co RE*) 5. STREET CROSS SLOPE (percent) , 6. PfiRKWPY CROSS SLOPE (percent) 7. GUTTER WIDTH (feet) , 8. BUTTER RISE (feet) 9. A. C. LIP AT GUTTER (feet) 10. STREET n VALUE 11. PARKWAY n VALUE , DEPTH OF FLOW (feet) ..... STREET SLOPE (percent) ... Q (cfs) VELOCITY (fps) RDAD FLOODING WIDTH (feet) 0. 1. IE, le <L (MARRON ROAD) = 32. 00 = 5. 00 = 0. 500 = 3 : 1£ = £.OOOO = £•OOOO 500 1£5 030 015 03C> 1. 0. 0. 0. 0. £7 —<--32 -12.4- MAnnON nOAP- 10Yf^. 5TOnM 50 YEAR STORM BSI STREET FLOW PROGRAM "REET CAPACITY ANALYSIS (MARRON ROAD) 1. l/£ STREET WIDTH (feet) ....J.., £. PARKWAY WIDTH (feet) 1.., 3. CURB FACE HEIGHT (feet) 4. CURB BATTER (4:1£ for LA Co RD) 5. STREET CROSS SLOPE (percent)|.. 6. PARKWAY CROSS SLOPE (percent) . 7. GUTTER WIDTH (feet) .1 i.. e. GUTTER RISE (feet) [.. 3. A. C. LIP AT GUTTER (feet) .i.. 10. STREET n VALUE L. 11. PARKWAY n VALUE 1 . . :•£. 00 5. 00 0. 500 3 : r£ £.OOOO £. OOOO 1. 500 0. 1£S = 0. 030 = 0.015 = 0. 030 DEPTH OF FLOW (feet) ..... STREET SLOPE (percent) ... Q (cfs) VELOCITY (fps) ........... ROAD FLOODING WIDTH (feet) = p. 41 = 1. 5S MAnnoN noAi9-50 YH. STOHM ySI STREET FLOW PROGRAM 100 YEAR SlORM - STREET CAPACITY ANALYSIS (MARRON ROAD) l./£ STREET WIDTH (feet) PARKWAY WIDTH (feet) .. CURB FACE HEIGHT (feet) CURB BATTER (4:12 for LA Co RD) STREET CROSS SLOPE (percent) .. PARKWAY CROSS SLOPE (percent) , GUTTER WIDTH (feet) GUTTER RISE (feet) A. C. LIP AT GUTTER (feet) STREET n VALUE PARKWAY n VALUE 6 7 8 3 10 11 DEPTH OF FLOW (feet) STREET SLOPE (percent) Q (cfs) . . . VELOCITY (fps) ........... ROAD FLOODING WIDTH (feet) MAnnON nOAP - 100 Yl^. STOHM BSI STREET FLOW PROGRAM 10 YEAR 1. \J • 6. 7. 8. 9. 10. 11. 34. cr 0. STORM - STREET CAPACITY ANALYSlls (MONROE STREET) 1/2 STREET WIDTH (feet) ....... L . PARKWAY WIDTH (feet) L. CURB FACE HEIGHT (feet) ....... j. . CURB BATTER (4:1£ for LA Co RD)! . STREET CROSS SLOPE (oercent) . ., I. . PARKWAY CROSS SLOPE (percent) .!. . GUTTER WIDTH (feet) 1. , GUTTER RISE (feet) !. . A. C. LIP AT GUTTER (feet) ....L STREET n VALUE |, , PARKWAY n VALUE ......,....,...!„. 1 , 0. 0. 0. o. UU 00 500 : 1£ 0000 0000 500 1£5 030 015 030 FLOW (feet) . OPE (oercent) DEPTH OF STREET SL Q (cfs) VELOCITY (fps) ....... ROAD FLOODING WIDTH ( 0. 30 1. 6j0 £. 52 2. 71 MONHOC STHCCT- 10 YH. STOHM BSI b-TREET FLOW PROGRAM j 50 YEAR STORM - STREET CAPACITY ANALYSli (MONROE STREET) 1. l/£ STREET WIDTH (feet) J. =34 oo £. pftRKWflY WIDTH (feet) ...... J . = .s". 00 3. CURB FACE HEIGHT (feet) ....... j. = o SOO 4. CURB BATTER (4.-i£ for LA Co RD) i . = 3"^!? 5. STRtET CKOSS SLOPE (oercent) ..j. = £.OOOO 6. PARKWAY CROSS SLOPE (oercenl-) . J p oooo 7. GUTTER WIDTH (feet) !. = l"," soo' a. GUTTER RISE (feet) J. ^ O. 125 9. A, C. LIP AT GUTTER (feet) ...'.]' = o"o^o 10. STREET n VALUE J. = o" 015 11. PARKWAY n VALUE . .' .| ," = O,' 0.30 DEPTH OF FLOW (feet) ...... = 0.3^ STREET SLOPE (percent) = I."GJ Q (cfs) = 3.5I VELOCITY (fos) .......... = q ROAD FLOODING WIDTH (feet) 1. o s lAomoE 5TnECT-50Yn:. sTonii BSI STREET FLOW PROGRAM 100 YEAR STORM - STREET CAPACITY ANALYSIS 1. 4 5 6 7 a 3 10 11 1/2 STREET WIDTH (feet) , PARKWAY WIDTH (feet) CURB FACE HEIGHT (feet) CURB BATTER (4:12 for LA Co RD) STREET CROSS SLOPE (percent) .„ PARKWAY CROSS SLOPE (percent) . GUTTER WIDTH (feet) GUTTER RISE (feet) A. C. LIP AT GUTTER (feet) . STREET n VALUE PARKWAY n VALUE (MONROE STREET) = 34.00 = 5. 00 = 0.500 = 3 5 IS = 2.OOOO -- £. OOOO = 1.500 = 0. 123 = 0.030 0.015 = 0.030 DEPTH OF FLOW (feet) STREET SLOPE (percent) Q (cfs) VELOCITY (fps) ROAD FLOODING WIDTH (feet) MOMHOE 5TnCCT-100Yn;5TOnM I I I I I I I I I Pipe Hydraulics PROJECT: 10 YR.-18 IN. RCP (LINE "A" STA PIPE FLOW Diameter (inches) Slope (ft/ft) depth (ft) ... Velocity (fps) Area (Sq. Ft.) Critical Depth Critical Velocity 18 0.0080 0.68 5 .09 0.78 0.76 4.40 Mannings n Q (cfs) depth/dijameter Velocity head 31-f25 TO 32 + 42) DATE; 05-08-1989 TIME: 12:28:11 .013 Critical Slope ... Froude Number .... 3 .97 0.45 0 .40 0.0054 1 . 24 PROJECT: 10 YR.-36 IN. RCP (LINE "A" STA 32+42 TO 33+46.71) DATE: 05-08-1989 PIPE FLOW Diameter (inches) Slope (ft/ft) depth (ft) ... Velocity (fps) Area (Sq. Ft.) Critical Depth Critical Velocity 36 0.0050 1.76 7 .10 4 .32 1.79 5 .95 Mannings] n Q (cfs) depth/dijameter Velocityl head . Critical] Slope I Froude Number . TIME: 12:29:55 .013 30 .66 0 .59 0 . 78 0.0047 1 .04 PROJECT: 10 YR.-IS IN. RCP (LINE "C" STA. 43+08 MONROE ST.) DATE: 05-08-1989 PIPE FLOW Diameter (inches) .. Slope (ft/ft) depth (ft) Velocity (fps) Area (Sq. Ft.) Critical Depth Critical Velocity .. IS 0.7350 0 .17 22.32 0 . 11 0 .60 3 .81 Mannings n ... Q (cfs) I depth/dilameter TIME: 12:32:21 .013 Velocity Critical! head Slope Froude Number 2 .52 0 .12 7 .74 0.0050 11.45 PROJECT: 10- YR.-24 IN. RCP (LINE "D" STA 32+42 MARRON RD.) DATE: 05-08-1989 PIPE FLOW ! TIME: 12:34:07 Diameter (inches) Slope (ft/ft) depth (ft) ... Velocity (fps) Area (Sq. Ft.) Critical Depth Critical Velocity 24 0.0100 1.42 8 . 09 2 . 39 1 .58 7 . 26 Manningsl n Q (cfs) I depth/dijameter . Velocity! head . . Critical! Slope . Froude Number .. .013 19 .34 0.71 1 . 02 0 . 0078 1.24 PROJECT: 10 YR.-24 IN. RCP ( LINE "E" STA. 34+85 MARRON RD.) { DATE: 05-08-1989 PIPE FLOW ! TIME: 12:38:04 Diameter (inches) .. 24 Mannings 013 Slope (ft/ft) 0 . 0100 Q (cfs) 17 57 depth (ft) 1 .32 depth/diameter ... 0 66 Velocity (fps) 7 .96 Velocity head .... 0 98 Area (Sq. Ft.) 2 .21 Critical Depth 1 .51 Critica] Slope ... 0 0071 Critical Velocity .. 6 . 90 Froude Number .... 1 30 Open Channel Hydraulics PROJECT: 10 YR, OPEN CHANNEL FLOW - ENKAMAT LINING TRAPEZOI DAL CHANNELL DATE: TIMES INVERT WIDTH (feet) SLO PE (feet/foot) . LEFT SIDE SLOPE (X to 1) . . . . DEPTH (feet) ...... VELOCITY (fps) .... Pi R E A (s q a -r e f e e t ) CRITICAL DEPTH .... CRITICAL VELOCITY . 4. 00 . 0549 3. 00 0. 49 4. 53 2, 67 0. 57 3. 74 MANNINGS n ....... I b! (c-fs) .......... RIGHT SIDE SLOPE (X to 1) ... TOP WIDTH (feet) . VEL. HEAD (feet) . P + M ( DO unci s) . . . - I CRITICAL SLOPE .,. FROUDE NUMBER .... 04-20-1y83 11:2S:17 . 040 12. 07 3. 00 £.. 93 0. 32 143 0. 0317 1. 29 £ MIM EROSIOKJ COWTKOL./ • REVeGETATIOM MAT now OrZH CHAKIKJEL WeST OP MOMHOt STHKT 10 YEArSSTOHKl PROJECT: 50 YR. OPEN CHANNEL FLOW - ENKAMA T RA PE Z 01DAL CHANNEL r LINING INVERT WIDTH (feet) SLOPE • (feet/foot) . LEFT SIDE SLOPE (X to 1) .... DEPTH (feet ) ....... VELOCITY (fps) ..., A R Ef. A ( 5 q l.l a •r'" 62 f e e 'b ) CRITICAL DEPTH . . , .' CRITICAL VELOCITY . DATE: 04-£ TIME: 11:3 4. 00 . 0549 3. 00 0. 60 5„ OS 3. 45 0. 70 4. 09 MANNINGS n Q (cfs) , RIGHTj SIDE SLOPE (X to 1) ... i TOP WIDTH (feet) , VEL. HEAD (feet) . P + M (pounds) ,.. CRITICAL SLOPE ,.. FROUDE NUMBER .... 0-1989 2:15 . 040 17. 45 3. 00 7. 58 0. 40 0. 0300 1. 32 now OrCN CHANKIEL UEST Or MCJKinOE STHEET 50 YEAI^ STOr^Kl PROJECT: 100 YR. OPEN CHANNEL FLOW - ENKAMAT LINING INVERT WIDTH (feet) SLOPE (feet/foot) . LEFT SIDE SLOPE (X to 1) ..., DEPTH (feet) ...... VELOCITY (fps) .... ARE'A (square feet) CRITICAL DEPTH ,..„ CRITICAL VELOCITY . TRAPEZOIDAL CHANNEL 4, 00 DATE: 04-20 TIME: 11:35 . 0549 3. 00 0. 64 5, £7 3. 80 0. 76 4. £2 MANNINGS n ..... Q (cFjs) ........ RIGHT| SIDE SLOPE (X to 1) . TOP WIDTH (feet) VEL. jHEAD (feet) P + M! (pounds) . CRITIpAL SLOPE . FROUDE NUMBER , . •lyS9 i:03 , 040 £0. 04 3. 00 7. 85 0. 43 ;73 0. 029; 1. 33 now OrZH CHANKJEL U1E5T OF MQiNinQE STHEET 100 YEAr^ STOHM PROJECT: 100 YR. OPEN CHANNEL FLOW - WEST OF MONROE STREET D A T E s 04-20-1989 TRAPEZOIDAL CHANNEL INVERT WIDTH (feet) S L 0 P E ( f e e t / f o o t) . LEFT SIDE SLOPE (X to 1) ..,. DEPTH (feet ) VELOCITY (fps) ..,. A R EZ A (s q u. a r e f e e t ) CRITICAL DEPTH .... CRITICAL VELOCITY . TIME: 11:33:59 4. 00 . 0549 3. 00 0. 55 5. 45 3. 1 1 0, 76 MANNINGS n . s)- SIDE Q (cf RIGHT SLOPE (X to 1) TOP WIDTH (feet) VEL, HEAD (feet) P + Mj (pounds) . . CRITl|CAL SLOPE . . 1 FROUDE NUMBER . . . , OJO £0. 04 3 „ 0 0 7. 30 0. 65 599 0. 01b? 1. 74 now OrCN CHAKIKIEL UE5T QP MQiNinQE STHEET 100 -YEAR STOrsM Onsite Hydrology Map 1 RGEMD ONSITE STOi^M DRAI NJ — - BASIN LIHITS — 1 — 1 — HYDnOLOGY MAP SU6-6ASm LIMITS - MODE MONROE STnEET W IDEM IMG CITY OF CARLSBAD CATilH &ASISI m HEAPV4AL.L — CLE'AMOUT — C -JP~ 1 Offsite Hydrology Map Insert Large Maps Here