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SUBAREA AREA(ACRES) = 4.44 <br />EFFECTIVE AREA(ACRES) = 154 <br />TOTAL AREA(ACRES) = 161.34 <br />PEAK FLOW RATE(CFS) = 286.05 <br />TC(MIN.) = 25.41 <br />SUBAREA RUNOFF(CFS) = 7.50 <br />40 AVERAGED Fm(INCH/HR) _ .07 <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 1.08 TO NODE 1.09 IS CODE = 1 <br />---------------------------------------------------------------------------- <br />»» >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« <<< <br />TOTAL NUMBER OF STREAMS = 2 <br />CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: <br />TIME OF CONCENTRATION(MIN.) = 25.41 <br />RAINFALL INTENSITY(INCH/HR) = 2.13 <br />AVERAGED Fm(INCH/HR) _ .07 <br />EFFECTIVE STREAM AREA(ACRES) = 154.40 <br />TOTAL STREAM AREA(ACRES) = 161.34 <br />PEAK FLOW RATE(CFS) AT CONFLUENCE = 286.05 <br />FLOW PROCESS FROM NODE 1.20 TO NODE 1.21 IS CODE = 2 <br />---------------------------------------------------------------------------- <br />»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< <br />NATURAL AVERAGE COVER <br />TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 <br />INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 <br />UPSTREAM ELEVATION(FEET) = 178.00 <br />DOWNSTREAM ELEVATION(FEET) = 40.00 <br />ELEVATION DIFFERENCE(FEET) = 138.00 <br />TC(MIN.) _ .706*[( 1000.00** 3.00)/( 138.00)]** .20 = 16.628 <br />1000 YEAR RAINFALL INTENSITY(INCH/HR) = 2.695 <br />*USER SPECIFIED(SUBAREA): <br />NATURAL OR AGRICULTURE SUBAREA LOSS RATE, Fm(INCH/HR) _ .0500 <br />SUBAREA RUNOFF(CFS) = 20.76 <br />TOTAL AREA(ACRES,)­ 8.72 - PEAK FLOW RATE(CFS) = 20.76 <br />FLOW PROCESS FROM NODE 1.21 TO NODE 1.22 IS CODE = 9 <br />---------------------------------------------------------------------------- <br />>>>>>COMPUTE "V" GUTTER FLOW TRAVEL TIME THRU SUBAREA««< <br />UPSTREAM NODE ELEVATION(FEET) = 40.00 <br />DOWNSTREAM NODE ELEVATION(FEET) = 38.00 <br />CHANNEL LENGTH THRU SUBAREA(FEET) = 350.00 <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) = 2.636 <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.) = 6.43 <br />AVERAGE FLOW DEPTH(FEET) = 1.75 FLOOD WIDTH(FEET) = 6.99 <br />"V" GUTTER FLOW TRAVEL TIME(MIN.) _ .91 TC(MIN.) = 17.53 <br />SUBAREA AREA(ACRES) = 15.93 SUBAREA RUNOFF(CFS) = 37.08 <br />40 EFFECTIVE AREA(ACRES) = 24.65 AVERAGED Fm(INCH/HR) _ .05 <br />