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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 6 <br />HydroCAD® 8.00 s/n 004412 © 2006 HydroCAD Software Solutions LLC 4/17/2007 <br />Reach 2 Tm-1: COLLECTION-2Tm-1 <br />[61] Hint: Submerged 9% of Reach 2 Tn-1 bottom <br />Inflow Area = 7.390 ac, Inflow Depth= 1.81" <br />Inflow = 14.24 cfs @ 11.97 hrs, Volume= 1.114 of <br />Outflow = 13.70 cfs @ 12.00 hrs, Volume= 1.114 af, Atten= 4%, Lag= 2.2 min <br />Routing by Stor-Ind+Trans method, Time Span= 1.00-30.00 hrs, dt= 0.05 hrs <br />Max. Velocity= 4.17 fps, Min. Travel Time= 1.0 min <br />Avg. Velocity = 1.23 fps, Avg. Travel Time= 3.5 min <br />Peak Storage= 871 cf @ 11.99 hrs, Average Depth at Peak Storage= 0.89' <br />Bank-Full Depth= 1.25', Capacity at Bank-Full= 28.30 cfs <br />2.00' x 1.25' deep channel, n= 0.030 Earth, grassed & winding <br />Side Slope Z-value= 2.07' Top Width= 7.00' <br />Length= 260.0' Slope= 0.01547' <br />Inlet Invert= 7,050.00', Outlet Invert= 7,046.00' <br />Reach 2 Tm-1: COLLECTION-2Tm-1 <br />Hydrograph <br />• <br />15 <br />14 <br />13 <br />12 <br />11 <br />10 <br />w 9 <br />3 8 <br />0 <br />a 7 <br />6 <br />5 <br />4 <br />3 <br />2 <br />1 <br />0 <br />Inflow Area=7.390 ac <br />Inflow=14.24 cfs <br />Outflow=13.70 cfs <br />Avg. Depth=0.89' <br />Max Vet=4.17 fps <br />n=0.030 <br />L=260.0' <br />S=0.0154'/' <br />Capacity=28.30 cfs <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