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SEDCAD 4 for Windows <br />(`nnvnnh� 1000 Onln D-1 1 Cnl.u.ol. <br />21 <br />Structure #34 (Pond <br />Middle Pond <br />Pond Inputs: <br />Initial Pool Elev: <br />7,057.00 ft <br />Initial Pool: <br />0.74 ac -ft <br />*Sediment Storage: <br />0.00 ac -ft <br />Dead Space: <br />20.00% <br />*No sediment capacity defined <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,066.00 43.00 2.50:1 2.50:1 20.00 <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) (oda) <br />Manning's n (ft) Holes per <br />(in) <br />(in) <br />Elev <br />18.00 11.00 <br />18.00 185.00 9.10 <br />0.0240 7,061.00 2 <br />Pond Results: <br />Peak Elevation: <br />7,061.12 ft <br />H'graph Detention Time: <br />7.72 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />1.42 days <br />Trap Efficiency: <br />43.46 % <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 />7,046.00 <br />0.000 <br />0.000 <br />0.000 Top of Sed. Storage <br />7,046.50 <br />0.001 <br />0.000 <br />0.000 <br />7,047.00 <br />0.005 <br />0.002 <br />0.000 <br />7,047.50 <br />0.011 <br />0.006 <br />0.000 <br />7,048.00 <br />0.020 <br />0.013 <br />0.000 <br />7,048.50 <br />0.024 <br />0.024 <br />0.000 <br />7,049.00 <br />0.029 <br />0.038 <br />0.000 <br />7,049.50 <br />0.034 <br />0.054 <br />0.000 <br />7,050.00 <br />0.040 <br />0.072 <br />0.000 <br />7,050.50 <br />0.047 <br />0.094 <br />0.000 <br />Filename: Rev 3 PR04 East Side Ponds sed EOM 1024 sc4 Printed 02-13-2016 <br />Exh. 7-23I-65 Revision Date: 2/15/2016 <br />Revision No.: PR -04 <br />