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SEDCAD+ RIPRAP CHANNEL DESIGN <br />a <br />Pond 11 Emergency Spillway <br />INPUT VALUES: <br />Shape TRAPEZOIDAL <br />Discharge 43.74 cfs <br />Slope 0.50 is <br />Sideslopes (L and R) 2.00:1 2.00:1 <br />Bottom Width 10.00 feet <br />Freeboard .3 ft <br />RESULTS: <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 />•,-i D10 . . <br />Mild Slope Design <br />1.25 ft <br />1.55 ft <br />15.00 ft <br />16.20 ft <br />2.80 fps <br />15.61 sq ft <br />1.00 ft <br />0.038 <br />0.48 <br />1.500 ft (18.00 in) <br />0.750 Pt ( 9.00 in) <br />0.250 Ft ( 3.00 in) <br />SEDCADt CHANNEL DESI ~N <br />Pond 11 EMergenoy Spa 11 uay <br />T <br />D <br />Ri prap - HIId Slope Desiy~n <br />Disel~ar a <br />g <br />~b) 43.74 ofs <br />18 <br />00 Ct DD <br />t u <br />dth <br />op ,,I1 ZZ <br />• <br />0 ~~ FreeLoard• <br />(S <br />6 <br />20 <br />ottor <br />gade slopes CZ) <br />e <br />d Slo <br />B . <br />~ 2.0 :1t L) <br />0 <br />50 % <br />2.0 :iCR) t <br />i <br /><t) <br />p <br />Velooity <br />H <br />di <br />R ~ 1S <br />0 <br />2.80 a 1 <br />. <br />) Ct <br />Cys <br />p <br />e . <br />038 <br />0 ydraulae <br />a <br />us 1.00 Ct <br />Manning s n ~ <br />. Froude nuwber ~ 0.98 <br /> Max . 1.30 Ct (18 <br />.00 in) <br /> 10 8 <br />23 9 <br />fS <br /> ~ <br />. ( 3.00 in) <br />`_• <br />New 2/4/94 <br />CRDA3 - 6 <br />