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File: J:\OOJOBS\003-2166\SGOIMD2X 7/22/00, 7:54:1OPM <br /> Siphon Tube Diameter (in) - <br />- <br />• <br />Siphon __ <br />___= <br />Tube Length (ft) <br /> Manning's n of Siphon <br /> Siphon Inlet Elevation ---- ---- <br /> Siphon Outlet Elevation ---- ---- <br />Emergency Spillway Elevation ---- 6774.0 <br />Crest Length (f t) ---- 20.0 <br />Z:1 (Left and Right) -- -- 2.5 2.5 <br />Bottom Width (f t) ---- 10.0 <br />POND RESULTS: <br />Sediment Permanent Dead Sediment <br />Storage+ Pool Space Algorithm <br />(ac-ft) <br />---------- (ac-ft) <br />------------ (%) <br />------------------- <br />---------- <br />0.18 ------------ <br />0.57 ------------------- <br />20.00 CSTRS <br />+Sediment Capacity based on Average Annual R of 20.0 for 3.D year(s) <br />Runoff Peak Peak Sediment Peak Settleable <br />Volume Discharge Sediment Concentration Concentration 24VW 24AA <br />_(ac-ft) (cfs) (tons) (mg/1) (ml/1) (ml/1) (ml/1) <br />IN 1.03 12.44 98.3 109152 41.88 21.58 7.95 <br />• OUT 0.89 0.50 25.9 17781 0.00 0.00 0.00 <br />Peak Trap Hydrograph <br />Elevation Efficiency Detention Time <br />(%) (hrs) <br />6771-4--^----73 64-----s-----9.02 <br />Dewatering Time (Max. Perf. Riser Elev to Lowest Orifice): 2.8 days <br />+..+a~++++++r++a+aii.++.++.,r.~~++.rat.ia+.~aax~:~~f+++.+++i.++.i~+i+.++,t.++..r++w• <br />• - - _ Page: 14 <br />