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MPD2.OUT <br />SUBAREA RUNOFF(CFS) = 4.14 <br />TOTAL AREA(ACRES) = 2.06 PEAK FLOW RATE(CFS) = 4.14 <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 411.00 TO NODE 440.00 IS CODE = 31 <br />---------------------------------------------------------------------------- <br />>>>>>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA<<<<< <br />>>>>>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)<<<<< <br />---------------------------------------------------------------------------- <br />----------------------------------------- <br />ELEVATION DATA: UPSTREAM(FEET) = 146.70 DOWNSTREAM(FEET) = 135.80 <br />FLOW LENGTH(FEET) = 891.00 MANNING'S N = 0.013 <br />DEPTH OF FLOW IN 15.0 INCH PIPE IS 8.3 INCHES <br />PIPE -FLOW VELOCITY(FEET/SEC.) = 5.92 <br />ESTIMATED PIPE DIAMETER(INCH) = 15.00 NUMBER OF PIPES = 1 <br />PIPE-FLOW(CFS) = 4.14 <br />PIPE TRAVEL TIME(MIN.) = 2.51 Tc(MIN.) = 7.51 <br />LONGEST FLOWPATH FROM NODE 410.00 TO NODE 440.00 = 991.00 FEET. <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 440.00 TO NODE 440.00 IS CODE = 1 <br />---------------------------------------------------------------------------- <br />>>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« <<< <br />---------------------------------------------------------------------------- <br />TOTAL NUMBER OF STREAMS = 4 <br />CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: <br />TIME OF CONCENTRATION(MIN.) = 7.51 <br />RAINFALL INTENSITY(INCH/HR) = 1.79 <br />AREA -AVERAGED Fm(INCH/HR) = 0.03 <br />AREA -AVERAGED Fp(INCH/HR) = 0.30 <br />AREA -AVERAGED Ap = 0.10 <br />EFFECTIVE STREAM AREA(ACRES) = 2.06 <br />TOTAL STREAM AREA(ACRES) = 2.06 <br />PEAK FLOW RATE(CFS) AT CONFLUENCE = 4.14 <br />+ + <br />OF-D1 <br />+ + <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 420.00 TO NODE 421.00 IS CODE = 21 <br />---------------------------------------------------------------------------- <br />>>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< <br />>>USE TIME -OF -CONCENTRATION NOMOGRAPH FOR INITIAL SUBAREA<< <br />---------------------------------------------------------------------------- <br />INITIAL SUBAREA FLOW-LENGTH(FEET) 22.00 <br />ELEVATION DATA: UPSTREAM(FEET) = 148.50 DOWNSTREAM(FEET) = 147.50 <br />Page 4 <br />