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FLOW PROCESS FROM NODE 3.04 TO NODE 3.05 IS CODE = 9 --------------------------------------------------------- »»COMPUTE "V" GUTTER FLOW TRAVEL TIME THRU SUBAREA««< UPSTREAM NODE ELEVATION(FEET) = 31.00 DOWNSTREAM NODE ELEVATION(FEET) = 30.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 200.00 "V" GUTTER WIDTH(FEET) _ .00 GUTTER HIKE(FEET) _ .001 PAVEMENT LIP(FEET) _ .001 MANNING'S N = .0150 PAVEMENT CROSSFALL(DECIMAL NOTATION) _ .50000 MAXIMUM DEPTH (FEET) = 5.00 1000 YEAR RAINFALL INTENSITY(INCH/HR) = 2.500 SOIL CLASSIFICATION IS "C" NATURAL OR AGRICULTURE SUBAREA LOSS RATE, Fm(INCH/HR) _ .2500 TRAVEL TIME THRU SUBAREA BASED ON VELOCITY(FEET/SEC. ) = 5.94 AVERAGE FLOW DEPTH(FEET) = 1.77 FLOOD WIDTH(FEET) = 7.07 "V" GUTTER FLOW TRAVEL TIME(MIN. ) _ .56 TC(MIN. ) = 19.64 SUBAREA AREA(ACRES) = 3.02 SUBAREA RUNOFF(CFS) = 6.12 EFFECTIVE AREA(ACRES) = 18. 19 AVERAGED Fm(INCH/HR) _ .08 TOTAL AREA(ACRES) = 18.19 PEAK FLOW RATE(CFS) = 39.67 END OF SUBAREA "V" GUTTER HYDRAULICS: DEPTH(FEET) = 1.81 FLOOD WIDTH(FEET) = 7.22 FLOW VELOCITY(FEET/SEC. ) = 6.08 DEPTH*VELOCITY = 10.99 **************************************************************************** FLOW PROCESS FROM NODE 3.04 TO NODE 3.05 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE«<<< ----------------------- �OTAL NUMBER OF STREAMS = 2 ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN. ) = 19. 64 RAINFALL INTENSITY(INCH/HR) = 2.50 AVERAGED Fm(INCH/HR) _ .08 EFFECTIVE STREAM AREA(ACRES) = 18.19 TOTAL STREAM AREA(ACRES) = 18.19 PEAK FLOW RATE(CFS) AT CONFLUENCE = 39.67 **************************************************************************** FLOW PROCESS FROM NODE 3.00 TO NODE 3.11 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< NATURAL AVERAGE COVER TC = K* [ (LENGTH** 3.00)/(ELEVATION CHANGE) ) ** .20 INITIAL SUBAREA FLOW-LENGTH(FEET) = 450.00 UPSTREAM ELEVATION(FEET) = 120.00 DOWNSTREAM ELEVATION(FEET) = 39.00 ELEVATION DIFFERENCE(FEET) = 81.00 TC(MIN. ) _ .706* [ ( 450.00** 3.00) / ( 81.00) ] ** .20 = 11.456 1000 YEAR RAINFALL INTENSITY(INCH/HR) = 3.353 *USER SPECIFIED(SUBAREA) : NATURAL OR AGRICULTURE SUBAREA LOSS RATE, Fm(INCH/HR) _ .0500 SUBAREA RUNOFF(CFS) = 5. 65 TOTAL AREA(ACRES) = 1.90 PEAK FLOW RATE(CFS) = 5.65 ************************************************************************** LOW PROCESS FROM NODE 3.11 TO NODE 3.12 IS CODE = 9