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************************************************************************** <br /> FLOW PROCESS FROM NODE 2.04 TO NODE 2.05 IS CODE = 9 <br /> ---------------------------------------------------------------------------- <br /> »»>COMPUTE "V" GUTTER FLOW TRAVEL TIME THRU SUBAREA««< <br /> UPSTREAM NODE ELEVATION(FEET) = 35.00 <br /> DOWNSTREAM NODE ELEVATION(FEET) = 30.00 <br /> CHANNEL LENGTH THRU SUBAREA(FEET) = 1100.00 <br /> "V" GUTTER WIDTH(FEET) = .00 GUTTER HIKE(FEET) _ .001 <br /> PAVEMENT LIP(FEET) = .001 MANNING'S N = .0150 <br /> PAVEMENT CROSSFALL(DECIMAL NOTATION) _ .50000 <br /> MAXIMUM DEPTH(FEET) = 5.00 <br /> 1000 YEAR RAINFALL INTENSITY(INCH/HR) = 1. 956 <br /> *USER SPECIFIED(SUBAREA) : <br /> NATURAL OR AGRICULTURE SUBAREA LOSS RATE, Fm(INCH/HR) = .0500 <br /> TRAVEL TIME THRU SUBAREA BASED ON VELOCITY(FEET/SEC. ) = 8.54 <br /> AVERAGE FLOW DEPTH(FEET) = 3.23 FLOOD WIDTH(FEET) = 12.93 <br /> "V" GUTTER FLOW TRAVEL TIME(MIN. ) = 2.15 TC(MIN. ) = 28.05 <br /> SUBAREA AREA(ACRES) = 26.20 SUBAREA RUNOFF(CFS) = 44 .95 <br /> EFFECTIVE AREA(ACRES) = 110.86 AVERAGED Fm(INCH/HR) _ .05 <br /> TOTAL AREA(ACRES) = 110.86 PEAK FLOW RATE(CFS) = 190.20 <br /> END OF SUBAREA "V" GUTTER HYDRAULICS: <br /> DEPTH (FEET) = 3.31 FLOOD WIDTH(FEET) = 13.24 <br /> FLOW VELOCITY(FEET/SEC. ) = 8.68 DEPTH*VELOCITY = 28.75 <br /> **************************************************************************** <br /> FLOW PROCESS FROM NODE 2.04 TO NODE 2.05 IS CODE = 1 <br /> ----------------------------------------------------------- <br /> &>>>>>DESIGNATE-INDEPENDENTSTREAMFORCONFLUENCE<<<<< <br /> ---------------------------------------------------------------------------- <br /> ---------------------------------------------------------------------------- <br /> TOTAL NUMBER OF STREAMS = 2 <br /> CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: <br /> TIME OF CONCENTRATION(MIN. ) = 28.05 <br /> RAINFALL INTENSITY(INCH/HR) = 1.96 <br /> AVERAGED Fm(INCH/HR) = .05 <br /> EFFECTIVE STREAM AREA(ACRES) = 110.86 <br /> TOTAL STREAM AREA(ACRES) = 110.86 <br /> PEAK FLOW RATE(CFS) AT CONFLUENCE = 190.20 <br /> **************************************************************************** <br /> FLOW PROCESS FROM NODE 2.10 TO NODE 2.11 IS CODE = 2 <br /> ---------------------------------------------------------------------------- <br /> >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< <br /> ---------------------------------------------------------------------------- <br /> ---------------------------------------------------------------------------- <br /> NATURAL AVERAGE COVER <br /> TC = K* [ (LENGTH** 3.00)/(ELEVATION CHANGE) )** .20 <br /> INITIAL SUBAREA FLOW-LENGTH(FEET) = 600.00 <br /> UPSTREAM ELEVATION(FEET) = 178.00 <br /> DOWNSTREAM ELEVATION(FEET) = 150.00 <br /> ELEVATION DIFFERENCE(FEET) = 28.00 <br /> TC(MIN. ) = .706* [ ( 600.00** 3.00) /( 28.00) ] ** .20 = 16.837 <br /> 1000 YEAR RAINFALL INTENSITY(INCH/HR) = 2.681 <br /> *USER SPECIFIED(SUBAREA) : <br /> NATURAL OR AGRICULTURE SUBAREA LOSS RATE, Fm(INCH/HR) _ .0500 <br /> SUBAREA RUNOFF(CFS) = 18.54 <br /> ® TOTAL AREA(ACRES) = 7.83 PEAK FLOW RATE(CFS) = 18.54 <br />