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FLOW PROCESS FROM NODE 113.00 TO NODE 114.00 IS CODE = 41 <br />---------------------------------------------------------------------------- <br />»»>COMPUTE PIPE -FLOW TRAVEL TIME THOU SUBAREA««< <br />»»>USING USER -SPECIFIED PIPESIZE (EXISTING ELEMENT)««< <br />ELEVATION DATA: UPSTREAM(FEET) = 142.00 DOWNSTREAM(FEET) = 139.10 <br />FLOW LENGTH(FEET) = 878.00 MANNING'S N = 0.013 <br />ASSUME FULL -FLOWING PIPELINE <br />PIPE -FLOW VELOCITY(FEET/SEC.) = 8.21 <br />PIPE FLOW VELOCITY = (TOTAL FLOW)/(PIPE CROSS SECTION AREA) <br />GIVEN PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 <br />PIPE-FLOW(CFS) = 40.29 <br />PIPE TRAVEL TIME(MIN.) = 1.78 Tc(MIN.) = 8.06 <br />LONGEST FLOWPATH FROM NODE 110.00 TO NODE 114.00 = 1772.00 FEET. <br />+ + <br />DA-A2 <br />+ + <br />++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ <br />FLOW PROCESS FROM NODE 114.00 TO NODE 114.00 IS CODE = 82 <br />---------------------------------------------------------------------------- <br />»»>ADD SUBAREA RUNOFF TO MAINLINE, AT MAINLINE Tc, ««< <br />»»>(AND COMPUTE INITIAL SUBAREA RUNOFF)««< <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 1.31 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 AREA(ACRES) = 1.31 INITIAL SUBAREA RUNOFF(CFS) = 7.26 <br />** ADD SUBAREA RUNOFF TO MAINLINE AT MAINLINE Tc: <br />MAINLINE Tc(MIN.) = 8.06 <br />* 100 YEAR RAINFALL INTENSITY(INCH/HR) = 4.706 <br />SUBAREA AREA(ACRES) = 1.31 SUBAREA RUNOFF(CFS) = 5.51 <br />EFFECTIVE AREA(ACRES) = 9.60 AREA -AVERAGED Fm(INCH/HR) = 0.03 <br />AREA -AVERAGED Fp(INCH/HR) = 0.30 AREA -AVERAGED Ap = 0.10 <br />TOTAL AREA(ACRES) = 9.6 PEAK FLOW RATE(CFS) = 40.40 <br />++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ <br />FLOW PROCESS FROM NODE 114.00 TO NODE 115.00 IS CODE = 41 <br />---------------------------------------------------------------------------- <br />»»>COMPUTE PIPE -FLOW TRAVEL TIME THOU SUBAREA««< <br />»»>USING USER -SPECIFIED PIPESIZE (EXISTING ELEMENT)««< <br />ELEVATION DATA: UPSTREAM(FEET) = 139.10 DOWNSTREAM(FEET) = 137.20 <br />FLOW LENGTH(FEET) = 255.00 MANNING'S N = 0.013 <br />ASSUME FULL -FLOWING PIPELINE <br />PIPE -FLOW VELOCITY(FEET/SEC.) = 8.23 <br />PIPE FLOW VELOCITY = (TOTAL FLOW)/(PIPE CROSS SECTION AREA) <br />GIVEN PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 <br />PIPE-FLOW(CFS) = 40.40 <br />PIPE TRAVEL TIME(MIN.) = 0.52 Tc(MIN.) = 8.58 <br />