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SEDCAD+ RIPRAP CHANNEL DESIGN <br />' POND 7 OPEN CHANNEL EMERGENCY SPILLWAY <br />~..... <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 />1 • <br />Steep Slope Design - PADER Method <br />Depth <br />with Freeboard <br />Top Width <br />with Freeboard <br />Velocity <br />Cross Sectional Area <br />Hydraulic Radius <br />Manning's n <br />Froude Number <br />Dmax <br />D50 <br />DIO <br />0.41 ft <br />1.41 ft <br />6.62 ft <br />10.62 ft <br />2.97 fps <br />2.36 sq ft <br />0.35 ft <br />0.035 <br />0.88 <br />0.156 ft ( 1.88 in) <br />0.125 ft ( 1.50 in) <br />0.042 ft ( 0.50 in) <br />Certification of Page WW-27 a <br />Dated 12/16/94- <br />~a*~ ~p~~.,,. <br />~~~~~~,% <br />~ - is "59 <br />• <br />New 12/16/94 <br />NDEC - 3 <br />