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• <br />• <br />PHASE 1 INITIAL PAD & COLLECTION Type ll 24-hr Rainfall=2.90" <br />Prepared by Greg Lewicki & Associates Page 3 <br />HydroCADO 8.00 s/n 004412 © 2006 HydroCAD Software Solutions LLC 4/17/2007 <br />Time span=1.00-30.00 hrs, dt=0.05 hrs, 581 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 F: BASIN F Runoff Area=2.730 ac Runoff Depth=1.98" <br />Flow Length=654' Slope=0.0550T Tc=6.5 min CN=91 Runoff=8.84 cfs 0.450 of <br />Subcatchment G1: INITIAL PAD DEVELOPMENT Runoff Area=1.610 ac Runoff Depth=1.81" <br />Flow Length=570' Slope=0.0667'f Tc=5.7 min CN=89 Runoff=4.99 cfs 0.243 of <br />Reach F1: F-ROAD DITCH Avg. Depth=0.53' Max Vet=7.19 fps Inflow=8.84 cfs 0.450 of <br />n=0.025 L=444.0' S=0.0676'/' Capacity=18.89 cfs Outflow=8.52 cfs 0.450 of <br />Reach G1-a: INITIAL COLLECTION DITCH Avg. Depth=0.57' Max Vet=7.53 fps Inflow=4.99 cfs 0.243 of <br />n=0.022 L=450.0' S=0.0778'P Capacity=10.23 cfs Outflow=4.78 cfs 0.243 of <br />Reach PD-2: INITIAL POND DITCH-PD2 Avg. Depth=0.80' Max Vet=6.32 fps Inflow=13.28 cfs 0.693 of <br />n=0.022 L=140.0' S=0.0250'P Capacity=21.46 cfs Outflow=13.02 cfs 0.693 of <br />Pond F2: DUAL 24" CULVERTS <br />Peak Elev=7,046.37' Inflow=13.28 cfs 0.693 of <br />24.0" x 30.0' Culvert Outflow=13.28 cfs 0.693 of <br />Total Runoff Area = 4.340 ac Runoff Volume = 0.693 of Average Runoff Depth = 1.92" <br />100.00% Pervious Area= 4.340 ac 0.00% Impervious Area= 0.000 ac <br />0