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SEDCAD+ RIPRAP CHANNEL DESIGN <br />----------------------------- <br />POND 8 OPEN CHANNEL EMERGENCY SPILLWAY <br />~~ INPUT VALUES: <br />Shape TRAPEZOIDAL <br />Discharge 56.80 cfs <br />Slope 2.00 $ <br />Sideslopes (L and R) 5.00:1 5.00:1 <br />Bottom Width 20.00 feet <br />Freeboard 1 ft <br />RESULTS: <br />Steep Slope Design - Simons/OSM Method <br />Depth 0.49 ft <br />with Freeboard 1.49 ft <br />Top Width 24.90 ft <br />with Freeboard 34.90 ft <br />Velocity 5.16 fps <br />Cross Sectional Area 11.00 sq ft <br />Hydraulic Radius 0.44 ft <br />Manning's n 0.032 <br />Froude Number 1.37 <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 />Certification of pages <br />WW-37 thru WW-41 <br />Dated 12/14/94 <br />~g 411TH '~'' ~' <br />~• <br />RSS - 4 New 12/16/94 <br />