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---------------------------------------------------------------------------- <br /> ---------------------------------------------------------------------------- <br /> ®1000 YEAR RAINFALL INTENSITY(INCH/HR) = 2.599 <br /> SOIL CLASSIFICATION IS "C" <br /> NATURAL OR AGRICULTURE SUBAREA LOSS RATE, Fm(INCH/HR) = .2500 <br /> SUBAREA AREA(ACRES) = 10.99 SUBAREA RUNOFF(CFS) = 23.23 <br /> EFFECTIVE AREA(ACRES) = 41.81 AVERAGED Fm(INCH/HR) _ .10 <br /> TOTAL AREA(ACRES) = 41.81 <br /> PEAK FLOW RATE(CFS) = 93.92 <br /> TC(MIN. ) = 18.11 <br /> FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 9 <br /> ---------------------------------------------------------------------------- <br /> »»>COMPUTE "V" GUTTER FLOW TRAVEL TIME THRU SUBAREA««< <br /> ---------------------------------------------------------------------------- <br /> ---------------------------------------------------------------------------- <br /> UPSTREAM NODE ELEVATION(FEET) = 56.00 <br /> DOWNSTREAM NODE ELEVATION(FEET) = 48.00 <br /> CHANNEL LENGTH THRU SUBAREA(FEET) = 1500.00 <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) = 2.396 <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. ) = 7. 98 <br /> AVERAGE FLOW DEPTH (FEET) = 2.59 FLOOD WIDTH(FEET) = 10.35 <br /> "V" GUTTER FLOW TRAVEL TIME(MIN. ) = 3.13 TC(MIN. ) = 21.25 <br /> SUBAREA AREA(ACRES) = 12.15 SUBAREA RUNOFF(CFS) = 25.65 <br /> EFFECTIVE AREA(ACRES) = 53. 96 AVERAGED Fm(INCH/HR) _ .09 <br /> TOTAL AREA(ACRES) = 53.96 PEAK FLOW RATE(CFS) = 111. 95 <br /> END OF SUBAREA "V" GUTTER HYDRAULICS: <br /> DEPTH(FEET) = 2.63 FLOOD WIDTH(FEET) = 10.50 <br /> FLOW VELOCITY(FEET/SEC. ) = 8.12 DEPTH*VELOCITY = 21.33 <br /> **************************************************************************** <br /> FLOW PROCESS FROM NODE 1.03 TO NODE 1.04 IS CODE = 1 <br /> ---------------------------------------------------------------------------- <br /> »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE«<<< <br /> ---------------------------------------------------------------------------- <br /> ---------------------------------------------------------------------------- <br /> TOTAL NUMBER OF STREAMS = 2 <br /> CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: <br /> TIME OF CONCENTRATION(MIN. ) = 21.25 <br /> RAINFALL INTENSITY(INCH/HR) = 2.40 <br /> AVERAGED Fm(INCH/HR) = .09 <br /> EFFECTIVE STREAM AREA(ACRES) = 53.96 <br /> TOTAL STREAM AREA(ACRES) = 53.96 <br /> PEAK FLOW RATE(CFS) AT CONFLUENCE = 111.95 <br /> **************************************************************************** <br /> FLOW PROCESS FROM NODE 1.10 TO NODE 1.11 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) = 800.00 <br /> UPSTREAM ELEVATION(FEET) = 165.00 <br />