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• <br />PHASE 3 FINAL WEST-DIVERSION Type // 24-hr Rainfall=2.90" <br />Prepared by Greg Lewicki & Associates Page 3 <br />HydroCAD® 8.00 s/n 004412 © 2006 HydroCAD Software Solutions LLC 4/17/2007 <br />Time span=2.00-30.00 hrs, dt=0.05 hrs, 561 points <br />Runoff by SCS TR-20 method, UH=SCS <br />Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method <br />• <br />Subcatchment A: BASIN A Runoff Area=9.300 ac Runoff Depth=0.95" <br />Flow Length=1,774' Slope=0.2334 T Tc=11.7 min CN=76 Runoff=12.30 cfs 0.735 of <br />Subcatchment B: BASIN B Runoff Area=12.800 ac Runoff Depth=0.80" <br />Flow Length=1,554' Slope=0.2664'P Tc=10.8 min CN=73 Runoff=14.28 cfs 0.850 of <br />Subcatchment C: BASIN C Runoff Area=5.600 ac Runoff Depth=0.80" <br />Flow Length=1,380' Slope=0.2663'/' Tc=9.8 min CN=73 Runoff=6.47 cfs 0.372 of <br />Reach A3: WEST DIVERSION A3 Avg. Depth=1.13' Max Vet=7.60 fps Inflow=32.04 cfs 1.956 of <br />n=0.022 L=260.0' S=0.0212'/' Capacity=56.32 cfs Outflow=31.23 cfs 1.956 of <br />Reach 133: WEST DIVERSION B3 Avg. Depth=0.85' Max Vet=7.37 fps Inflow=20.55 cfs 1.221 of <br />n=0.022 L=355.0' S=0.0268'/' Capacity=43.71 cfs Outflow=19.86 cfs 1.221 of <br />Reach C1: WEST DIVERSION C1 Avg. Depth=0.56' Max Vet=6.32 fps Inflow=6.47 cfs 0.372 of <br />n=0.045 L=280.0' S=0.1571 T Capacity=11.82 cfs Outflow=6.29 cfs 0.372 of <br />Pond WP-2: WHIRLWIND PORTAL CULVERT 1 Peak Elev=7,085.90' Inflow=19.86 cfs 1.221 of <br />30.0" x 40.0' Culvert Outflow=19.86 cfs 1.221 of <br />Total Runoff Area = 27.700 ac Runoff Volume = 1.956 of Average Runoff Depth = 0.85" <br />100.00% Pervious Area = 27.700 ac 0.000/6 Impervious Area = 0.000 ac <br />0