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• <br /> <br />PHASE 2 INTERIM WASTE PILE Type 11 24-hr Rainfall=2.90" <br />Prepared by Greg Lewicki & Associates Page 7 <br />HydroCAD® 8.00 s/n 004412 © 2006 HydroCAD Software Solutions LLC 4/17/2007 <br />Reach 2 Tn-1: COLLECTION-2Tn-1 <br />Inflow Area = 4.270 ac, Inflow Depth = 1.81" <br />Inflow = 9.71 cfs @ 12.07 hrs, Volume= 0.644 of <br />Outflow = 9.33 cfs @ 12.15 hrs, Volume= 0.644 af, Atten= 4%, Lag= 4.3 min <br />Routing by Stor-Ind+Trans method, Time Span= 1.00-30.00 hrs, dt= 0.05 hrs <br />Max. Velocity= 4.03 fps, Min. Travel Time= 2.4 min <br />Avg. Velocity = 1.24 fps, Avg. Travel Time= 7.7 min <br />Peak Storage= 1,341 cf @ 12.10 hrs, Average Depth at Peak Storage= 0.86' <br />Bank-Full Depth= 1.00', Capacity at Bank-Full= 13.16 cfs <br />1.00' x 1.00' deep channel, n= 0.030 Earth, grassed & winding <br />Side Slope Z-value= 2.0'/' Top Width= 5.00' <br />Length= 572.0' Slope= 0.01757' <br />Inlet Invert= 7,060.00', Outlet Invert= 7,050.00' <br />Reach 2 Tn-1: COLLECTION-2Tn-1 <br />Hydrograph <br />10 <br />9 <br />8 <br />7 <br />6 <br />3 <br />c 5 <br />U. <br />4 <br />3 <br />2 <br />1 <br />Inflow Area=4.270 ac <br />Inflow=9.71 cfs <br />Outflow=9.33 cfs <br />Avg. Depth=0.86' <br />Max Vet=4.03 fps <br />n=0.030 <br />L=572.0' <br />S=0.0175'/' <br />Capacity=13.16 cfs <br />- - ?.. <br />1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 <br />Time (hours) <br />Inflow <br />Outflow <br />•