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Table TR 90-06-1 <br />• (continued) <br />SEDIMENTATION POND "M3-N° DESIGN CALCULATIONS <br />Actual Peak Discharge (cfs) <br />Ditch P-1 9.8 <br />Ditch P-2 3.8 <br />Ditch P-3 9.2 <br />Total 22.8 <br />10 year - 24 hour <br />Ditch P-1 13.4 <br />Ditch P-2 5.2 <br />Ditch P-3 12.5 <br />Total 31.1 <br />25 year - 24 hour <br />• Runoff Volume (acre feet) <br />10 year - 24 hour <br />Universal Soil Loss Equation Parameters <br />Rainfall Factor (R) <br />Soil Erodibility Factor (K) <br />Topographic Factor (LS) <br />Cover and Crop Management Factor (C) <br />Erosion control Practice Factor (P) <br />Soil Loss (tons/acre/year) <br />Sediment Delivery Ratio <br />Sediment Yield (tons/acre/year) <br />Three Year Sediment Yield (acre-feet @ 80.3 lbs/ft3) <br />• Storage Volume (acre-feet) <br />Design Pond Capacity (acre-feet) <br />(based on 3 year sediment yeild + storage volume <br />+ 10 year - 24 ho,,r runoff volume) <br />22.8 <br />31.1 <br />4.93 <br />30 <br />0.32 <br />5.10 <br />0.64 <br />1.00 <br />31.3 <br />0.42 <br />13.2 <br />2.57 <br />0.36 <br />3.36 <br />MR qn-nF Fvhihih ~ _ v 11ilFi4n <br />