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SEDCAD+ RIPRAP CHANNEL DESIGN <br />• SENECA MINE PROPOSED WC FILL DOWNDRAIN <br />INPUT VALUES: <br />i <br /> <br />Shape TRAPEZOIDAL <br />Discharge 42.90 cfs <br />Slope 13.80 ~ <br />Sideslopes (L and R) 3.00:1 3.00:1 <br />Bottom Width 10.00 feet <br />Freeboard 1 ft <br />RESULTS: <br />~ Steep Slope Design - PARER Method <br />Depth 0.56 ft <br />with Freeboard 1.56 ft <br />Top Width 13.36 ft <br />with Freeboard 19.36 ft <br />Velocity 6.55 fps <br />Cross Sectional Area 6.54 sq ft <br />Hydraulic Radius 0.48 ft <br />Manninq~s n 0.052 <br />Froude Number 1.65 <br />Dmax 0.625 ft ( 7.50 in) <br />D50 0.500 ft ( 6.00 in) <br />D10 0.167 ft ( 2.00 in) <br />7-6-3-47 <br />