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SEDCAD 4.0 <br />Copyright 1998 Pamela J. Schwab <br />Civil Software Design <br />Post Mining Channel PM-4 <br />Material: Riprap <br />Trapezoids/ Channel <br /> Freeboard" <br />Left =Right Freetxiard Freeboard _ <br />Bottom Stoeslope <br />Width'- <br />~) <br />R Sideslope ~ .Slope (%)' - <br />- <br />--Ratio _ =-~ <br />Depth (ft) %of Depth Mult x <br />~D),: - <br />atio <br />_ <br />-. . ; - <br />.: <br />5.00 3.0:1 3.0:1 18.0 1.00 <br />Simons/OSM Method -Steep Slope Design <br />. .: _w/o Freeboard -w/,Freeboard-. <br />Design Discharge: 9.70 crs <br />Depth: 0.14 R 1.14 R <br />Top Width: - 5.82 R 11.62 R <br />Velodty*: <br />X-Section Area: 0.74 sq R <br />Hydraulic Radius: 0.126 <br />Froude Number*: <br />Manning's n*: <br />Dmin: 4.00 in <br />D50: 12.00 in <br />Dmax: 15.00 in <br />Velocity and Manning's n calculations may not apply for this method. <br />SEDCAD Utility Run Printed 12-06-2001 <br />