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• <br />C7 <br />Ell <br />SEDCAD 4 for Windows <br />r,...,, ii kt loon _ ,)nln o-i� i e,.K, -k <br />11 <br />Initial Pool Elev: <br />7,746.00 ft <br />Initial Pool: <br />1.22 ac -ft <br />*Sediment Storage: <br />0.00 ac -ft <br />Dead Space: <br />0.00% <br />*No sediment capacity defined <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,754.50 17.00 2.00:1 2.00:1 19.00 <br />Perforated Riser <br />Riser <br />Riser Height <br />Barrel <br />Barrel Barrel Slope <br />Number of <br />Spillway Elev <br />Diameter (ft) <br />Diameter Length (ft) (% ) <br />Manning's n ft Holes per <br />() <br />(in) <br />(in) <br />Elev <br />12.00 9.20 <br />12.00 121.00 8.00 <br />0.0250 7,752.90 2 <br />Pond Results: <br />Peak Elevation: 7,753.35 ft <br />H'graph Detention Time: <br />13.75 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />2.33 days <br />Trap Efficiency: <br />67.09 <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation - Capacity- Discharge Table <br />Elevation <br />Area <br />(ac) <br />Capacity <br />(ac -ft) <br />Discharge Dewater <br />Time <br />(cfs) (hrs) <br />7,740.18 <br />0.010 <br />0.000 <br />0.000 Top of Sed, Storage <br />7,740.68 <br />0.035 <br />0.011 <br />0.000 <br />7,741.18 <br />0.075 <br />0.037 <br />0.000 <br />7,741.68 <br />0.130 <br />0.088 <br />0.000 <br />7,742.18 <br />0.200 <br />0.170 <br />0.000 <br />7,742.68 <br />0.219 <br />0.275 <br />0.000 <br />7,743.18 <br />0.239 <br />0.389 <br />0.000 <br />7,743.68 <br />0.260 <br />0.514 <br />0.000 <br />7,743.70 <br />0.261 <br />0.519 <br />0.000 <br />7,744.18 <br />0.280 <br />0.649 <br />0.000 <br />7,744.68 <br />0.297 <br />0.793 <br />0.000 <br />7,745.18 <br />0.314 <br />0.946 <br />0.000 <br />7,745.68 <br />0.332 <br />1,107 <br />0.000 <br />7,746.00 <br />0.344 <br />1.215 <br />0.000 Low hole SPW #2 <br />Filename: Sec 16 Pond 10yr 24 hr.sc4 Printed 12 -06 -2010 <br />Exh. 7- Sec16 -17 Revision Date: 12/31/10 <br />Revision No.: TR -81 <br />