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MEA100.RES <br />WATERSHED LAG = 0.80 * Tc <br />USED "VALLEY UNDEVELOPED" S-GRAPH FOR DEVELOPMENTS OF <br />1 UNITS/ACRE AND LESS; AND "VALLEY DEVELOPED" S-GRAPH <br />FOR DEVELOPMENTS OF 2 UNITS/ACRE AND MORE. <br />SIERRA MADRE DEPTH -AREA FACTORS USED. <br />AREA -AVERAGED <br />DURATION RAINFALL(INCH) <br />5-MINUTES 0.52 <br />30-MINUTES 1.09 <br />1-HOUR 1.45 <br />3-HOUR 2.43 <br />6-HOUR 3.36 <br />24-HOUR 5.63 <br />*ANTECEDENT MOISTURE CONDITION (AMC) II ASSUMED FOR UNIT HYDROGRAPH METHOD* <br />+ + <br />EX-A5 <br />+ + <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 110.00 TO NODE 111.00 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) 100.00 <br />ELEVATION DATA: UPSTREAM(FEET) = 156.50 DOWNSTREAM(FEET) = 154.50 <br />Tc = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]**0.20 <br />SUBAREA ANALYSIS USED MINIMUM Tc(MIN.) = 5.000 <br />* 100 YEAR RAINFALL INTENSITY(INCH/HR) = 6.187 <br />SUBAREA Tc AND LOSS RATE DATA(AMC II): <br />DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS Tc <br />LAND USE GROUP (ACRES) (INCH/HR) (DECIMAL) CN (MIN.) <br />COMMERCIAL B 3.54 0.30 0.100 56 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) = 19.62 <br />TOTAL AREA(ACRES) = 3.54 PEAK FLOW RATE(CFS) = 19.62 <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 111.00 TO NODE 112.00 IS CODE = 41 <br />---------------------------------------------------------------------------- <br />>>>>>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA<<<<< <br />>>>>>USING USER -SPECIFIED PIPESIZE (EXISTING ELEMENT)<<<<< <br />---------------------------------------------------------------------------- <br />Page 2 <br />