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• <br />SEDCAD 4 for Windows <br />r~.,,,.~~ti~ tooa _~nm ca~,om .i .c~h,.~ati <br />Structure Detai/; <br />Structure #7 (Erodible Channel <br />Section 16 Pond Ditch East <br />Triangular Erodible Channel Inputs: <br />Material: Cobbles and shingles <br />Left Right Freeboard Freeboard Freeboard Limiting <br />Sideslope Sideslope Slope (%) Manning's n Mult. x Velocity <br />Ratio Ratio Depth (ft) % of Depth (VxD) (fps) <br />3.0:1 3.0:1 2.0 0.0350 5.0 <br />Erodible Channel Results: <br /> <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 5.04 cfs <br />Depth: 0.75 ft <br />Top Width: 4.48 ft <br />Velocity: 3.01 fps <br />X-Section Area: 1.67 sq ft <br />Hydraulic Radius: 0.354 ft <br />Froude Number: 0.87 <br />Structure #S (Pond1 <br />Section 16 Sed Trap 2 <br />Pond Inputs: <br />Initial Pool Elev: 90.01 ft <br />Initial Pool: 0.00 ac-ft <br />*Sediment Storage: 0.00 ac-ft <br />Dead Space: 20.00 <br />*No sediment capacity defined <br />Emeraencv SDillwa <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />100.00 30.00 3.00:1 3.00:1 30.00 <br />Pond Results: <br />Peak Elevation: 100.01 ft <br />• Filename: Secl6Mining1024.sc4 <br />Exh. 7-140-11 <br /> <br />Printed 05-25-2007 <br />Revision Date: 5/25/07 <br />Revision No.: TR-65 <br />