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Bottom <br />Width (ft) <br />Left <br />Sideslope <br />Ratio <br />Right <br />Sideslope <br />Ratio <br />Slope ( %) <br />Manning's n <br />Freeboard <br />Depth (ft) <br />Freeboard <br />% of Depth <br />Freeboard <br />Mult. x (VxD) <br />Limiting <br />Velocity (fps) <br />3.00 <br />1.0:1 <br />1.0:1 <br />1.0 <br />0.0250 <br />0.30 <br />5.0 <br />SEDCAD 4 for Windows <br />( nrnmnhf 1 001 _7Mn D =moh 1 Crhuroh <br />Structure #1 (Erodible Channel) <br />Ditch D -12 <br />Trapezoidal Erodible Channel Inputs: <br />Material: Alluvial silts colloidal <br />Erodible Channel Results: <br />Structure Detail: <br />Design Discharge: <br />Depth: <br />Top Width: <br />Velocity: <br />X- Section Area: <br />Hydraulic Radius: <br />Froude Number: <br />w/o Freeboard w/ Freeboard <br />9.67 cfs <br />0.69 ft <br />4.37 ft <br />3.82 fps <br />2.53 sq ft <br />0.513 ft <br />0.88 <br />0.99 ft <br />4.97 ft <br />Filename. MR- 112_Ditch 12 -14 sc4 Printed 04 -20 -2012 <br />MR -112 EXH. 19(23) -6 4 -20 -2012 <br />