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0 <br />r� <br />• <br />SEDCAD 4 for Windows <br />0 <br />Perforated Riser <br />Riser <br />Diameter Riser Height <br />Initial Pool Elev: <br />7,746.00 ft <br />(in) () <br />�slope <br />Length (ft) <br />(in) () ( ) <br />Initial Pool: <br />1.22 ac ft <br />12.00 121.00 8.00 <br />Emergency Spillway <br />Spillway Elev Crest Length Left <br />Right Bottom <br />(ft) Sideslope <br />Sideslope Width (ft) <br />7,754.50 17.00 2.00:1 <br />2.00:1 19.00 <br />Perforated Riser <br />Riser <br />Diameter Riser Height <br />Barrel <br />Barrel <br />Diameter <br />Number of <br />Manning's n Spillway Elev Holes per <br />(in) () <br />�slope <br />Length (ft) <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: 7,754.77 ft <br />Dewater Time: 2.67 days <br />Dewatering time /s calculated from peak stage to lowest spillway <br />Elevation -Ca pacity- Dischar Discharge Table <br />Elevation <br />Area <br />(ac) <br />Capacity <br />(ac -ft) <br />Discharge <br />(cfs) <br />Dewater <br />Time <br />(hrs) <br />7,740.18 <br />0.010 <br />0.000 <br />0.000 <br />7,740.68 <br />0.035 <br />0.011 <br />0.000 <br />7,741.18 <br />0.075 <br />0.037 <br />O.D00 <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 <br />Low hole SPW #2 <br />7,746.18 <br />0.350 <br />1.278 <br />0.201 <br />3.77* <br />7,746.21 <br />0.350 <br />1.288 <br />0.217 <br />0.58* <br />7,746.68 <br />0,365 <br />1.456 <br />0.390 <br />5.22* <br />7,747.18 <br />0.379 <br />1.642 <br />0.514 <br />4.38* <br />7,747.68 <br />0.395 <br />1.836 <br />0.613 <br />3.82* <br />7,748.18 <br />0.410 <br />2.037 <br />0.698 <br />3.49* <br />Filename: Sec 16 Pond 25yr 24hr.sc4 Printed 12 -06 -2010 <br />Exh. 7- Sec16 -30 Revision Date: 12/31/10 <br />Revision No.: TR -81 <br />