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SEDCAD 4 for Windows <br />iooa _onin o...,d� i <br />Dead Space: 20.00 <br />*No sediment capacity defined <br />Emergency Spillwax <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) (%) <br />Mannings <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 />7,061.77 ft <br />Kgraph Detention Time: <br />4.20 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />1.59 days <br />Trap Efficiency: <br />22.62% <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 />7,051.00 <br />0.054 <br />0.119 <br />0.000 <br />7,051.50 <br />0.062 <br />0.148 <br />0.000 <br />7,052.00 <br />0.070 <br />0.181 <br />0.000 <br />7,052.50 <br />0.077 <br />0.218 <br />0.000 <br />7,053.00 <br />0.084 <br />0.258 <br />0.000 <br />7,053.50 <br />0.092 <br />0.302 <br />0.000 <br />Filename: Eastside Initial Disturb ReducedStr 45 1024 022517.sc4 <br />Exh. 7-23J-49 <br />18 <br />Printed 02-24-2017 <br />Revision Date: 02/26/2017 <br />RevisionNo.: TR -108 <br />