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<br />PHASE 2 INTERIM WEST-DIVERSION Type 1124-hr 100 FULL YEAR 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 />Subcatchment A: BASIN A Runoff Area=9.300 ac Runoff Depth=0.95" <br />Flow Length=1,774' Slope=0.2334'P 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'/' Tc=10.8 min CN=73 Runoff=14.28 cfs 0.850 of <br />Reach A2: WEST DIVERSION A2 Avg. Depth=1.01' Max Vet=7.16 fps Inflow=25.70 cfs 1.585 of <br />n=0.022 L=260.0' S=0.0212'/' Capacity=56.32 cfs Outflow=24.98 cfs 1.585 of <br />Reach B2: WEST DIVERSION B2 Avg. Depth=1.06' Max Vet=5.18 fps Inflow=14.28 cfs 0.850 of <br />n=0.022 L=355.0' S=0.0127 'P Capacity=30.68 cfs Outflow=13.61 cfs 0.850 of <br />Pond WPA: WHIRLWIND PORTAL CULVERT 1 Peak Elev=7,085.73' Inflow=13.61 cfs 0.850 of <br />24.0" x 40.0' Culvert Outflow=13.61 cfs 0.850 of <br />Total Runoff Area = 22.100 ac Runoff Volume =1.585 of Average Runoff Depth = 0.86" <br />100.00% Pervious Area = 22.100 ac 0.00% Impervious Area = 0.000 ac <br />• <br />•