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SEDCAD 4 for Windows <br />(`nn, m�n4N 1000 Onln D -1e I <br />Structure #2 (Pond <br />Sec 28 Sed Pond <br />Pond Inputs: <br />Initial Pool Elev: 7,064.50 ft <br />Initial Pool: 1.67 ac -ft <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 />(in) <br />(in) <br />Elev <br />18.00 6.60 <br />18.00 150.00 2.00 <br />0.0150 7,069.60 2 <br />Pond Results: <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,077.00 30.00 2.00:1 2.00:1 30.00 <br />Peak Elevation: 7,071.22 ft <br />Dewater Time: 1.62 days <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 />7,057.25 <br />0.150 <br />0.000 <br />0.000 <br />7,057.50 <br />0.155 <br />0.038 <br />0.000 <br />7,057.75 <br />7,058.00 <br />0.160 <br />0.165 <br />0.077 <br />0.118 <br />0.000 <br />0.000 <br />7,058.25 <br />0.170 <br />0.160 <br />0.000 <br />7,058.50 <br />0.176 <br />0.203 <br />0.000 <br />7,058.75 <br />0.181 <br />0.248 <br />0.000 <br />7,059.00 <br />0.187 <br />0.294 <br />0.000 <br />7,059.25 <br />0.192 <br />0.342 <br />0.000 <br />7,059.50 <br />0.198 <br />0.390 <br />0.000 <br />7,059.75 <br />0.203 <br />0.440 <br />0.000 <br />7,060.00 <br />0.209 <br />0.492 <br />0.000 <br />7,060.25 <br />0.214 <br />0.545 <br />0.000 <br />7,060.50 <br />7,060.75 <br />0.220 <br />0.225 <br />0.599 <br />0.655 <br />0.000 <br />0.000 <br />7,061.00 <br />0.231 <br />0.712 <br />0.000 <br />7,061.25 <br />0.237 <br />0.771 <br />0.000 <br />Filename TR -105 Sec28Pond 10024NS sc4 Printed 02-04-2015 <br />Exh. 7-20A-16 Revision Date: 02/15/2015 <br />Revision No.: TR -105 <br />