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SEDCAD+ RIPRAP CHANNEL DESIGN <br />~.... <br />POND 7 OPEN CHANNEL EMERGENCY SPILLWAY <br />INPUT VALUES: <br />Shape TRAPEZOIDAL <br />Discharge 7.00 cfs <br />Slope 2.00 $ <br />Sideslopes (L and R) 2.00:1 2.00:1 <br />Bottom Width 5.00 feet <br />Freeboard 1 ft <br />RESULTS: <br />Steep Slope Design - PADER Method <br />• <br />Depth 0.41 ft <br />with Freeboard 1.41 ft <br />Top Width 6.62 ft <br />with Freeboard 10.62 ft <br />Velocity 2.97 fps <br />Cross Sectional Area 2.36 sq ft <br />Hydraulic Radius 0.35 ft <br />Manning's n 0.035 <br />Froude Number 0.88 <br />Dmax 0.156 ft ( 1.88 in) <br />D50 0.125 ft ( 1.50 in) <br />D10 0.042 ft ( 0.50 in) <br />Certification of Page WW-27 a <br />Dated 12/16/94- <br />~ei_ .. <br />~r n~~~/' <br />~~ ~j /c <br />?;~~ G/U~C/'~~ <br />~- ~ <br />J <br />New 12/16/94 <br />NDEC - 3 <br />