Laserfiche WebLink
MEA2.OUT <br />---------------------------------------------------------------------------- <br />----------------------------------------- <br />ELEVATION DATA: UPSTREAM(FEET) = 142.90 DOWNSTREAM(FEET) = 142.00 <br />FLOW LENGTH(FEET) = 306.00 MANNING'S N = 0.013 <br />DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.5 INCHES <br />PIPE -FLOW VELOCITY(FEET/SEC.) = 4.18 <br />GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 <br />PIPE-FLOW(CFS) = 8.99 <br />PIPE TRAVEL TIME(MIN.) = 1.22 Tc(MIN.) = 8.24 <br />LONGEST FLOWPATH FROM NODE 110.00 TO NODE 113.00 = 894.00 FEET. <br />+ + <br />EX-A3 <br />+ + <br />FLOW PROCESS FROM NODE 113.00 TO NODE 113.00 IS CODE = 82 <br />>>>>>ADD SUBAREA RUNOFF TO MAINLINE, AT MAINLINE Tc,<<<<< <br />>>>>>(AND COMPUTE INITIAL SUBAREA RUNOFF)<<<<< <br />---------------------------------------------------------------------------- <br />INITIAL SUBAREA FLOW-LENGTH(FEET) 144.00 <br />ELEVATION DATA: UPSTREAM(FEET) = 153.70 DOWNSTREAM(FEET) = 151.30 <br />Tc = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]**0.20 <br />SUBAREA ANALYSIS USED MINIMUM Tc(MIN.) = 5.033 <br />* 2 YEAR RAINFALL INTENSITY(INCH/HR) = 2.255 <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 2.24 0.30 0.100 56 5.03 <br />SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.30 <br />SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.100 <br />SUBAREA AREA(ACRES) = 2.24 INITIAL SUBAREA RUNOFF(CFS) = 4.49 <br />** ADD SUBAREA RUNOFF TO MAINLINE AT MAINLINE Tc: <br />MAINLINE Tc(MIN.) = 8.24 <br />* 2 YEAR RAINFALL INTENSITY(INCH/HR) = 1.699 <br />SUBAREA AREA(ACRES) = 2.24 SUBAREA RUNOFF(CFS) = 3.37 <br />EFFECTIVE AREA(ACRES) = 7.69 AREA -AVERAGED Fm(INCH/HR) = 0.03 <br />AREA -AVERAGED Fp(INCH/HR) = 0.30 AREA -AVERAGED Ap = 0.10 <br />TOTAL AREA(ACRES) = 7.7 PEAK FLOW RATE(CFS) = 11.55 <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 113.00 TO NODE 114.00 IS CODE = 41 <br />---------------------------------------------------------------------------- <br />>>>>>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA<<<<< <br />>>>>>USING USER -SPECIFIED PIPESIZE (EXISTING ELEMENT)<<<<< <br />Page 4 <br />