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The folloviaq areas ~11 drain into the pond: • II I II III III IIII I III <br />Urea I Designation Curve Etim+ber wczes <br />~ <br />I PRkr~~u-Y D~szu~ <br />• AQEA ~ CAA STtxxP~~E 85 9.8 <br /> g,pAns Eft. <br />2 OIST~RBED t RECLAiMIFD ?$ <br /> STRAP AAFR • <br />3 ~ ulv p~SruReED RRt:A ~ I 50,z <br />]1vg. C.E. ~ 73.85 qp,~ acres <br />USE 7y.0 <br />The 10 year - Z4 hour precipitation is ~•9 inches <br />The 10 year - Z4 hour runoff aL CN,Z,~ is •gs inches <br />pond volnme required for storage of the 10 year - 2d hour <br />runoff ~ .85 inches x lft z 9O.f acres ~ _6.3g ac.ft. <br />'' 2~inches <br />(• <br />~• Estimate of sediment volumes using the Oniversal Soil Loss <br />Equation. <br />Acreage R R LS C P Del. Ratio Tons/YR <br />Area 11 9.Y 70 .3D 07 .So ,7 o.so ~5.z <br />Area i2 30.I 70 .30 3•g , II •7 O. HO 7y. D <br />/lraw f3 $0.~ 70 .30 ~7A .07 .8 p,YO 637.5 <br /> TbTAL 736.7 <br />"P" factors are estimated at 0.7 and 0.8 because of various haul roads, <br />drill roads, access roads, old ponds, ditches, berms and other minor <br />disturbances which will act as contouring or furrowing and will further <br />reduce sediment yield. <br />r 736.7 Tons x 3 yrs. x 20001b x lft3 x 1 acre ~ / ~6 acre-feet <br />(• -"~`- TON 8"D36 -7~~ft2 <br />Total Pond Volume Required - 6.38 + /.~6 ~ 7.6Y acre-feet. <br />4 <br />