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MPE2.OUT <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 530.00 TO NODE 531.00 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) 137.00 <br />ELEVATION DATA: UPSTREAM(FEET) = 154.50 DOWNSTREAM(FEET) = 153.30 <br />Tc = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]**0.20 <br />SUBAREA ANALYSIS USED MINIMUM Tc(MIN.) = <br />5.611 <br />* 2 YEAR RAINFALL <br />INTENSITY(INCH/HR) = <br />2.119 <br />SUBAREA Tc AND LOSS <br />RATE DATA(AMC II): <br />DEVELOPMENT TYPE/ <br />SCS SOIL AREA <br />Fp <br />Ap SCS <br />Tc <br />LAND USE <br />GROUP (ACRES) <br />(INCH/HR) <br />(DECIMAL) CN <br />(MIN.) <br />COMMERCIAL <br />B 0.11 <br />0.30 <br />0.100 56 <br />5.61 <br />SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.30 <br />SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.100 <br />SUBAREA RUNOFF(CFS) = 0.21 <br />TOTAL AREA(ACRES) = 0.11 PEAK FLOW RATE(CFS) = 0.21 <br />+ + <br />DA-E5 <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 540.00 TO NODE 541.00 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) 16.00 <br />ELEVATION DATA: UPSTREAM(FEET) = 154.50 DOWNSTREAM(FEET) = 154.20 <br />Tc = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]**0.20 <br />SUBAREA ANALYSIS USED MINIMUM Tc(MIN.) = <br />5.000 <br />* 2 YEAR RAINFALL <br />INTENSITY(INCH/HR) = <br />2.264 <br />SUBAREA Tc AND LOSS <br />RATE DATA(AMC II): <br />DEVELOPMENT TYPE/ <br />SCS SOIL AREA <br />Fp <br />Ap SCS <br />Tc <br />LAND USE <br />GROUP (ACRES) <br />(INCH/HR) <br />(DECIMAL) CN <br />(MIN.) <br />COMMERCIAL <br />B 0.10 <br />0.30 <br />0.100 56 <br />5.00 <br />SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.30 <br />SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.100 <br />SUBAREA RUNOFF(CFS) = 0.20 <br />TOTAL AREA(ACRES) = 0.10 PEAK FLOW RATE(CFS) = 0.20 <br />**************************************************************************** <br />Page 5 <br />