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SEDCAD 4 for Windows <br />Copyright 1998 Pamela J. Schwab <br />Civil Software Design <br />• Structure Detai/; <br />Structure #1 (Erodible Channel1 <br />D99; small knob east of Fill 9 -discharges to D98 <br />Trapezoidal Erodible Channel Inputs: <br />Material: Bermuda grass <br />Left Right <br />Bottom Freeboard Freeboard Freeboard Limiting <br />5ideslope Sideslope Slope (%) Manning's n <br />Width (ft) Mult. x <br />' Velocity <br />Ratio Ratio Depth (ft) 9 <br />0 of Depth (VxD) (fps) <br />3.00 2.5:1 2.5:1 5.8 0.0670 0.30 I 8.0 <br />Erodible Channel Results: <br /> <br />J <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 1.07 cfs <br />Depth: 0.22 ft 0.52 ft <br />Top Width: 4.11 ft 5.61 ft <br />Velocity: 1.36 fps <br />X-Section Area: 0.79 sq ft <br />Hydraulic Ratlius: 0.188 <br />Froude Number: 0.54 <br />Filename: DitchD99.sc4 Printed 04-03-2002 <br />