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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 />= <br />4.04 <br />TOTAL STREAM AREA(ACRES) = <br />4.04 <br />PEAK FLOW RATE(CFS) AT CONFLUENCE <br />- <br />15.81 <br />" CONFLUENCE DATA " <br />STREAM Q Tc <br />Intensity <br />Fp(Fm) <br />Ap <br />Ae <br />HEADWATER <br />NUMBER (CIS) (MIN.) <br />(INCH/HR) <br />(INCH/HR) <br />(ACRES) <br />NODE <br />1 26.32 8.73 <br />4.495 <br />0.30( 0.03) <br />0.10 <br />5.9 <br />200.00 <br />1 23.21 14.05 <br />3.423 <br />0.30( 0.03) <br />0.10 <br />7.0 <br />230.00 <br />1 21.65 16.56 <br />3.115 <br />0.30( 0.03) <br />0.10 <br />7.2 <br />220.00 <br />2 15.81 9.73 <br />4.225 <br />0.30( 0.03) <br />0.10 <br />4.0 <br />250.00 <br />RAINFALL INTENSITY AND TIME <br />OF CONCENTRATION <br />RATIO <br />CONFLUENCE FORMULA USED FOR <br />2 STREAMS. <br />" PEAK FLOW RATE TABLE " <br />STREAM Q Tc <br />Intensity <br />Fp(Fm) <br />Ap <br />Ae <br />HEADWATER <br />NUMBER (CIS) (MIN.) <br />(INCH/HR) <br />(INCH/HR) <br />(ACRES) <br />NODE <br />1 41.41 8.73 <br />4.495 <br />0.30( 0.03) <br />0.10 <br />9.5 <br />200.00 <br />2 41.54 9.73 <br />4.225 <br />0.30( 0.03) <br />0.10 <br />10.1 <br />250.00 <br />3 36.00 14.05 <br />3.423 <br />0.30( 0.03) <br />0.10 <br />11.0 <br />230.00 <br />9 33.28 16.56 <br />3.115 <br />0.30( 0.03) <br />0.10 <br />11.2 <br />220.00 <br />COMPUTED CONFLUENCE ESTIMATES <br />ARE AS <br />FOLLOWS: <br />PEAK FLOW RATE(CFS) - <br />41.54 <br />Tc(MIN.) - <br />9.73 <br />EFFECTIVE AREA(ACRES) - <br />10.15 <br />AREA -AVERAGED <br />Fm(INCH/HR) <br />- 0.03 <br />AREA -AVERAGED Fp(INCH/HR) <br />= 0.30 <br />AREA -AVERAGED <br />Ap = <br />0.10 <br />TOTAL AREA(ACRES) = <br />11.2 <br />LONGEST FLOWPATH FROM NODE <br />230.00 <br />TO NODE <br />260.00 <br />= 1293.00 FEET. <br />-- -- -- -- -- -- -- -- <br />END OF STUDY SUMMARY: <br />-- -- -- <br />-- -- -- -- <br />-- -- <br />-- -- -- <br />-- -- <br />-- - <br />TOTAL AREA(ACRES) - <br />11.2 <br />TC(MIN.) - <br />9.73 <br />EFFECTIVE AREA(ACRES) - <br />10.15 <br />AREA -AVERAGED <br />Fm(INCH/HR)- <br />0.03 <br />AREA -AVERAGED Fp(INCH/HR) <br />= 0.30 <br />AREA -AVERAGED <br />Ap = <br />0.100 <br />PEAK FLOW RATE(CFS) - <br />41.54 <br />" PEAK FLOW RATE TABLE " <br />STREAM Q Tc <br />Intensity <br />Fp(Fm) <br />Ap <br />Ae <br />HEADWATER <br />NUMBER (CIS) (MIN.) <br />(INCH/HR) <br />(INCH/HR) <br />(ACRES) <br />NODE <br />1 41.41 8.73 <br />4.495 <br />0.30( 0.03) <br />0.10 <br />9.5 <br />200.00 <br />2 41.54 9.73 <br />4.225 <br />0.30( 0.03) <br />0.10 <br />10.1 <br />250.00 <br />3 36.00 14.05 <br />3.423 <br />0.30( 0.03) <br />0.10 <br />11.0 <br />230.00 <br />9 33.28 16.56 <br />3.115 <br />0.30( 0.03) <br />0.10 <br />11.2 <br />220.00 <br />END OF RATIONAL METHOD ANALYSIS <br />9 <br />