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MEC2.OUT <br />SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.30 <br />SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.100 <br />SUBAREA AREA(ACRES) = 0.73 SUBAREA RUNOFF(CFS) = 0.90 <br />EFFECTIVE AREA(ACRES) = 0.78 AREA -AVERAGED Fm(INCH/HR) = 0.03 <br />AREA -AVERAGED Fp(INCH/HR) = 0.30 AREA -AVERAGED Ap = 0.10 <br />TOTAL AREA(ACRES) = 0.8 PEAK FLOW RATE(CFS) = 0.97 <br />END OF SUBAREA STREET FLOW HYDRAULICS: <br />DEPTH(FEET) = 0.22 HALFSTREET FLOOD WIDTH(FEET) = 4.88 <br />FLOW VELOCITY(FEET/SEC.) = 1.36 DEPTH*VELOCITY(FT*FT/SEC.) = 0.30 <br />LONGEST FLOWPATH FROM NODE 360.00 TO NODE 370.00 = 525.00 FEET. <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 370.00 TO NODE 370.00 IS CODE = 1 <br />---------------------------------------------------------------------------- <br />>>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« <<< <br />>>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< <br />TOTAL NUMBER OF STREAMS = 2 <br />CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: <br />TIME OF CONCENTRATION(MIN.) <br />= 11.45 <br />RAINFALL INTENSITY(INCH/HR) <br />= 1.41 <br />AREA -AVERAGED Fm(INCH/HR) = <br />0.03 <br />AREA -AVERAGED Fp(INCH/HR) = <br />0.30 <br />AREA -AVERAGED Ap = 0.10 <br />EFFECTIVE STREAM AREA(ACRES) <br />= 0.78 <br />TOTAL STREAM AREA(ACRES) = <br />0.78 <br />PEAK FLOW RATE(CFS) AT CONFLUENCE = 0.97 <br />** CONFLUENCE DATA ** <br />STREAM Q <br />Tc <br />Intensity <br />Fp(Fm) <br />Ap <br />Ae <br />HEADWATER <br />NUMBER (CFS) <br />(MIN.) <br />(INCH/HR) <br />(INCH/HR) <br />(ACRES) <br />NODE <br />1 18.10 <br />6.91 <br />1.880 <br />0.30( 0.03) <br />0.10 <br />10.9 <br />300.00 <br />2 0.97 <br />11.45 <br />1.407 <br />0.30( 0.03) <br />0.10 <br />0.8 <br />360.00 <br />RAINFALL INTENSITY <br />AND TIME <br />OF CONCENTRATION <br />RATIO <br />CONFLUENCE FORMULA <br />USED FOR 2 STREAMS. <br />** PEAK FLOW RATE TABLE <br />** <br />STREAM Q <br />Tc <br />Intensity <br />Fp(Fm) <br />Ap <br />Ae <br />HEADWATER <br />NUMBER (CFS) <br />(MIN.) <br />(INCH/HR) <br />(INCH/HR) <br />(ACRES) <br />NODE <br />1 18.88 <br />6.91 <br />1.880 <br />0.30( 0.03) <br />0.10 <br />11.3 <br />300.00 <br />2 14.43 <br />11.45 <br />1.407 <br />0.30( 0.03) <br />0.10 <br />11.6 <br />360.00 <br />COMPUTED CONFLUENCE <br />ESTIMATES <br />ARE AS <br />FOLLOWS: <br />PEAK FLOW RATE(CFS) <br />= <br />18.88 <br />Tc(MIN.) = <br />6.91 <br />EFFECTIVE AREA(ACRES) <br />= <br />11.34 <br />AREA -AVERAGED <br />Fm(INCH/HR) <br />= 0.03 <br />AREA -AVERAGED Fp(INCH/HR) <br />= 0.30 AREA -AVERAGED <br />Ap = <br />0.10 <br />TOTAL AREA(ACRES) = <br />11.6 <br />Page 8 <br />