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MPB2.OUT <br />HALFSTREET FLOOD WIDTH(FEET) = 5.84 <br />AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.02 <br />PRODUCT OF DEPTH&VELOCITY(FT*FT/SEC.) = 0.49 <br />STREET FLOW TRAVEL TIME(MIN.) = 8.07 Tc(MIN.) = 13.07 <br />* 2 YEAR RAINFALL INTENSITY(INCH/HR) = 1.304 <br />SUBAREA LOSS RATE DATA(AMC II): <br />DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap <br />SCS <br />LAND USE GROUP (ACRES) (INCH/HR) (DECIMAL) <br />CN <br />COMMERCIAL B 1.23 0.30 0.100 <br />56 <br />SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.30 <br />SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.100 <br />SUBAREA AREA(ACRES) = 1.23 SUBAREA RUNOFF(CFS) = 1.41 <br />EFFECTIVE AREA(ACRES) = 1.33 AREA -AVERAGED Fm(INCH/HR) <br />= 0.03 <br />AREA -AVERAGED Fp(INCH/HR) = 0.30 AREA -AVERAGED Ap = 0.10 <br />TOTAL AREA(ACRES) = 1.3 PEAK FLOW RATE(CFS) = <br />1.52 <br />END OF SUBAREA STREET FLOW HYDRAULICS: <br />DEPTH(FEET) = 0.28 HALFSTREET FLOOD WIDTH(FEET) = 7.47 <br />FLOW VELOCITY(FEET/SEC.) = 2.25 DEPTH*VELOCITY(FT*FT/SEC.) = <br />0.62 <br />LONGEST FLOWPATH FROM NODE 230.00 TO NODE 260.00 = 1000.00 FEET. <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 260.00 TO NODE 260.00 IS CODE = <br />1 <br />---------------------------------------------------------------------------- <br />>>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« <<< <br />>>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< <br />---------------------------------------------------------------------------- <br />TOTAL NUMBER OF STREAMS = 4 <br />CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 4 ARE: <br />TIME OF CONCENTRATION(MIN.) = 13.07 <br />RAINFALL INTENSITY(INCH/HR) = 1.30 <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) = 1.33 <br />TOTAL STREAM AREA(ACRES) = 1.33 <br />PEAK FLOW RATE(CFS) AT CONFLUENCE = 1.52 <br />** CONFLUENCE DATA ** <br />STREAM Q Tc Intensity Fp(Fm) Ap Ae <br />HEADWATER <br />NUMBER (CFS) (MIN.) (INCH/HR) (INCH/HR) (ACRES) <br />NODE <br />1 7.34 7.86 1.747 0.30( 0.03) 0.10 3.8 <br />200.00 <br />1 7.44 8.65 1.652 0.30( 0.03) 0.10 4.2 <br />210.00 <br />2 5.79 8.65 1.653 0.30( 0.04) 0.14 4.0 <br />220.00 <br />3 1.20 19.01 1.052 0.30( 0.03) 0.10 1.3 <br />240.00 <br />4 1.52 13.07 1.304 0.30( 0.03) 0.10 1.3 <br />230.00 <br />RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO <br />CONFLUENCE FORMULA USED FOR 4 STREAMS. <br />Page 10 <br />