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MEE100.RE5 <br />ELEVATION DATA: UPSTREAM(FEET) = 162.50 DOWNSTREAM(FEET) = 156.70 <br />CHANNEL LENGTH THRU SUBAREA(FEET) = 168.00 CHANNEL SLOPE = 0.0345 <br />CHANNEL BASE(FEET) = 260.00 "Z" FACTOR = 99.000 <br />MANNING'S FACTOR = 0.015 MAXIMUM DEPTH(FEET) = 1.00 <br />* 100 YEAR RAINFALL INTENSITY(INCH/HR) = 4.832 <br />SUBAREA LOSS RATE DATA(AMC II): <br />DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS <br />LAND USE GROUP (ACRES) (INCH/HR) (DECIMAL) CN <br />COMMERCIAL B 1.30 0.30 0.100 56 <br />SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.30 <br />SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.100 <br />TRAVEL TIME COMPUTED USING ESTIMATED FLOW(CFS) = 14.41 <br />TRAVEL TIME THRU SUBAREA BASED ON VELOCITY(FEET/SEC.) = 1.64 <br />AVERAGE FLOW DEPTH(FEET) = 0.03 TRAVEL TIME(MIN.) = 1.71 <br />Tc(MIN.) = 7.70 <br />SUBAREA AREA(ACRES) = 1.30 SUBAREA RUNOFF(CFS) = 5.62 <br />EFFECTIVE AREA(ACRES) = 3.62 AREA -AVERAGED Fm(INCH/HR) = 0.03 <br />AREA -AVERAGED Fp(INCH/HR) = 0.30 AREA -AVERAGED Ap = 0.10 <br />TOTAL AREA(ACRES) = 3.6 PEAK FLOW RATE(CFS) = 15.65 <br />END OF SUBAREA CHANNEL FLOW HYDRAULICS: <br />DEPTH(FEET) = 0.03 FLOW VELOCITY(FEET/SEC.) = 1.78 <br />LONGEST FLOWPATH FROM NODE 500.00 TO NODE 502.00 = 468.00 FEET. <br />+ + <br />EX-E2 <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 510.00 TO NODE 511.00 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) 17.00 <br />ELEVATION DATA: UPSTREAM(FEET) = 155.40 DOWNSTREAM(FEET) = 155.10 <br />Tc = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]**0.20 <br />SUBAREA ANALYSIS USED MINIMUM Tc(MIN.) = <br />5.000 <br />* 100 YEAR RAINFALL <br />INTENSITY(INCH/HR) = <br />6.187 <br />SUBAREA Tc AND LOSS <br />RATE DATA(AMC II): <br />DEVELOPMENT TYPE/ <br />SCS SOIL AREA <br />Fp Ap SCS <br />Tc <br />LAND USE <br />GROUP (ACRES) <br />(INCH/HR) (DECIMAL) CN <br />(MIN.) <br />COMMERCIAL <br />B 0.05 <br />0.30 0.100 56 <br />5.00 <br />SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) <br />= 0.30 <br />SUBAREA AVERAGE PERVIOUS AREA FRACTION, <br />Ap = 0.100 <br />SUBAREA RUNOFF(CFS) <br />= 0.28 <br />Page 3 <br />