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MED2.OUT <br />2 0.86 7.93 1.737 0.30( 0.03) 0.10 0.6 410.00 <br />3 0.83 14.38 1.234 0.30( 0.03) 0.10 0.8 420.00 <br />RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO <br />CONFLUENCE FORMULA USED FOR 3 STREAMS. <br />** PEAK FLOW RATE TABLE ** <br />STREAM <br />Q <br />Tc <br />Intensity <br />Fp(Fm) <br />Ap <br />Ae <br />HEADWATER <br />NUMBER <br />(CFS) <br />(MIN.) <br />(INCH/HR) <br />(INCH/HR) <br />(ACRES) <br />NODE <br />1 <br />9.65 <br />7.93 <br />1.737 <br />0.30( 0.03) <br />0.10 <br />6.3 <br />410.00 <br />2 <br />10.01 <br />8.87 <br />1.629 <br />0.30( 0.03) <br />0.10 <br />6.9 <br />400.00 <br />3 <br />7.86 <br />14.38 <br />1.234 <br />0.30( 0.03) <br />0.10 <br />7.2 <br />420.00 <br />COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: <br />PEAK FLOW RATE(CFS) = <br />10.01 <br />Tc(MIN.) = <br />8.87 <br />EFFECTIVE AREA(ACRES) = <br />6.94 <br />AREA -AVERAGED <br />Fm(INCH/HR) <br />= 0.03 <br />AREA -AVERAGED Fp(INCH/HR) <br />= 0.30 <br />AREA -AVERAGED <br />Ap = 0.10 <br />TOTAL AREA(ACRES) = <br />7.2 <br />LONGEST FLOWPATH FROM NODE <br />400.00 TO NODE <br />430.00 = 744.00 FEET. <br />---------------------------------------------------------------------------- <br />END OF STUDY SUMMARY: <br />TOTAL AREA(ACRES) = <br />7.2 <br />TC(MIN.) = <br />8.87 <br />EFFECTIVE AREA(ACRES) = <br />6.94 <br />AREA -AVERAGED <br />Fm(INCH/HR)= <br />0.03 <br />AREA -AVERAGED Fp(INCH/HR) <br />= 0.30 <br />AREA -AVERAGED <br />Ap = 0.100 <br />PEAK FLOW RATE(CFS) = <br />10.01 <br />** PEAK FLOW RATE TABLE ** <br />STREAM Q Tc <br />Intensity <br />Fp(Fm) <br />Ap Ae <br />HEADWATER <br />NUMBER (CFS) (MIN.) <br />(INCH/HR) <br />(INCH/HR) <br />(ACRES) <br />NODE <br />1 9.65 7.93 <br />1.737 <br />0.30( 0.03) <br />0.10 6.3 <br />410.00 <br />2 10.01 8.87 <br />1.629 <br />0.30( 0.03) <br />0.10 6.9 <br />400.00 <br />3 7.86 14.38 <br />---------------------------------------------------------------------------- <br />1.234 <br />0.30( 0.03) <br />0.10 7.2 <br />420.00 <br />---------------------------------------------------------------------------- <br />END OF RATIONAL METHOD ANALYSIS <br />n <br />Page 8 <br />