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File: J:\OOJOBS\003-2166\8-lsubmittal\MB2RF'X 8/1/00, 4:41:32PM <br /> <br /> <br />• <br />Emergency Spillway Elevation ---- 6119.2 <br />Crest Length (ft) ---- 12.0 <br />Z:1 (Left and Right) -- -- 1.0 1.0 <br />Bottom Width (f t) ---- 8.0 <br />POND RESULTS: <br />Sediment Permanent <br />Storage* Pool <br />(ac-f t) <br />--------- (ac-ft) <br />----------- <br />--------- <br />1.38 ----------- <br />7.32 <br />Dead Sediment <br />Space Algorithm <br />(%) <br />------- <br />----------- <br />------- <br />20.00 ----------- <br />CSTRS <br />*Sediment Capacity based on Average Annual R of 30.0 for 3.0 year(s) <br />Runoff Peak ~ Peak Sediment Peak Settleable <br />Volume Discharge Sediment Concentration Concentration 24VW 24AA <br />(ac-f t) (cfs) (tons) (mg/11 (ml/1) (ml/1) (ml/1) <br />- ------------- ------- <br />IN 5.04 63.03 497.8 133334 63.95 34.38 9.02 <br />OUT 4.37 1.68 40.7 7462 0.00 0.00 O.OC <br />Peak Trap Hydrograph <br />Elevation Efficiency Detention Time <br />(%) (hrs) <br />6114.6 91 82 14 51 <br />Dewatering Time (Max. Perf. Riser E1ev to Lowest Orifice): 2.6 days <br /> <br />Page:~5 <br />