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SEDCAD 4 for Windows <br />Structure #7 (Null <br />Structure #6 (Pond <br />Sidehi// Pond <br />Pond Inputs: <br />Initial Pool Elev: 7,167.00 ft <br />Initial Pool: 4.02 ac -ft <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,172.00 40.00 2.00:1 2.00:1 12.00 <br />Perforated Riser <br />Riser () Length ft <br />g () Barrel Number of <br />Riser Height Barrel Barrel Slope Spillway Elev <br />Diameter ft Diameter Len % Manning's n Holes per <br />(in) (in) ( ) (ft) Elev <br />18.00 13.00 18.00 125.00 4.00 0.0240 7,170.00 2 <br />Pond Results: <br />Peak Elevation: 7,170.73 ft <br />Dewater Time: 2.09 days <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation -Capacity -Discharge Table <br />i <br />Filename West Side Temp Spoil Pile Model 25yr24hr.sc4 Printed 01-17-2018 <br />Page Exh. 7-23C-36 Revision Date: 1/19/18 <br />Revision No.: TR -118 <br />Stability <br />Class D w/o <br />Freeboard <br />Stability <br />Class D w/ <br />Freeboard <br />Capacity Capacity <br />Class B w/o Class B w/ <br />Freeboard Freeboard <br />Design Discharge: <br />70.85 cfs <br />70.85 cfs <br />Depth: <br />0.57 ft <br />0.89 ft <br />Top Width: <br />22.30 ft <br />23.55 ft <br />Velocity: <br />5.83 fps <br />3.66 fps <br />X -Section Area: <br />12.16 sq ft <br />19.34 sq ft <br />Hydraulic Radius: <br />0.539 ft <br />0.807 ft <br />Froude Number: <br />1.39 <br />0.71 <br />Roughness <br />0.0411 <br />� <br />0.0855 <br />Coefficient: <br />Structure #7 (Null <br />Structure #6 (Pond <br />Sidehi// Pond <br />Pond Inputs: <br />Initial Pool Elev: 7,167.00 ft <br />Initial Pool: 4.02 ac -ft <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,172.00 40.00 2.00:1 2.00:1 12.00 <br />Perforated Riser <br />Riser () Length ft <br />g () Barrel Number of <br />Riser Height Barrel Barrel Slope Spillway Elev <br />Diameter ft Diameter Len % Manning's n Holes per <br />(in) (in) ( ) (ft) Elev <br />18.00 13.00 18.00 125.00 4.00 0.0240 7,170.00 2 <br />Pond Results: <br />Peak Elevation: 7,170.73 ft <br />Dewater Time: 2.09 days <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation -Capacity -Discharge Table <br />i <br />Filename West Side Temp Spoil Pile Model 25yr24hr.sc4 Printed 01-17-2018 <br />Page Exh. 7-23C-36 Revision Date: 1/19/18 <br />Revision No.: TR -118 <br />