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FLOW PROCESS FROM NODE 3.04 TO NODE 3.05 IS CODE = 9 <br />--------------------------------------------------------- <br />»»>COMPUTE "V" GUTTER FLOW TRAVEL TIME THRU SUBAREA««< <br />---------------------------------------------------------------------------- <br />---------------------------------------------------------------------------- <br />UPSTREAM NODE ELEVATION(FEET) = 31.00 <br />DOWNSTREAM NODE ELEVATION(FEET) = 30.00 <br />CHANNEL LENGTH THRU SUBAREA(FEET) = 200.00 <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) = 2.500 <br />SOIL CLASSIFICATION IS "C" <br />NATURAL OR AGRICULTURE SUBAREA LOSS RATE, Fm(INCH/HR) = .2500 <br />TRAVEL TIME THRU SUBAREA BASED ON VELOCITY(FEET/SEC.) = 5.94 <br />AVERAGE FLOW DEPTH(FEET) = 1.77 FLOOD WIDTH(FEET) = 7.07 <br />"V" GUTTER FLOW TRAVEL TIME(MIN.) _ .56 TC(MIN.) = 19.64 <br />SUBAREA AREA(ACRES) = 3.02 SUBAREA RUNOFF(CFS) = 6.12 <br />EFFECTIVE AREA(ACRES) = 18.19 AVERAGED Fm(INCH/HR) _ .08 <br />TOTAL AREA(ACRES) = 18.19 PEAK FLOW RATE(CFS) = 39.67 <br />END OF SUBAREA "V" GUTTER HYDRAULICS: <br />DEPTH(FEET) = 1.81 FLOOD WIDTH(FEET) = 7.22 <br />FLOW VELOCITY(FEET/SEC.) = 6.08 DEPTH*VELOCITY = 10.99 <br />FLOW PROCESS FROM NODE 3.04 TO NODE 3.05 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.) = 19.64 <br />RAINFALL INTENSITY(INCH/HR) = 2.50 <br />AVERAGED Fm(INCH/HR) = .08 <br />EFFECTIVE STREAM AREA(ACRES) = 18.19 <br />TOTAL STREAM AREA(ACRES) = 18.19 <br />PEAK FLOW RATE(CFS) AT CONFLUENCE = 39.67 <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 3.00 TO NODE 3.11"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) = 450.00 <br />UPSTREAM ELEVATION(FEET) = 120.00 <br />DOWNSTREAM ELEVATION(FEET) = 39.00 <br />ELEVATION DIFFERENCE(FEET) = 81.00 <br />TC(MIN.) = .706*[( 450.00** 3.00)/( 81.00)]** .20 = 11.456 <br />1000 YEAR RAINFALL INTENSITY(INCH/HR) = 3.353 <br />*USER SPECIFIED(SUBAREA): <br />NATURAL OR AGRICULTURE SUBAREA LOSS RATE, Fm(INCH/HR) _ .0500 <br />SUBAREA RUNOFF(CFS) = 5.65 <br />TOTAL AREA(ACRES) = 1.90 PEAK FLOW RATE(CFS) = 5.65 <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 3.11 TO NODE 3.12 IS CODE = 9 <br />