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SEDCAD+ RIPRAP CHANNEL DESrGN <br />a <br />f <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 />Mild Slope Design <br />~-i <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 />D10 <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 ft ( 9.00 in) <br />0.250 ft ( 3.00 in) <br />SEDCADt CHANNEL DESI CN <br />Pond 11 EMergenoy Spa 11 uay <br />i <br />Riprap - H1ld Slope D~si9fn <br /> u/ Freeboard' <br />Disel~ar a 43.74 ofs Depih <br />(d) ,1 25 <br />X (D = 1.55) Ct <br /> <br />g <br />ottor ~b) 10.00 Ct <br />0 :1(L) <br />) = 2 <br />2 <br />0 :i(R) , <br />iopp ua dth <t) <br />V <br />i = 15 <br />00 <br />2 <br />80 (S = 16.20) Ct <br />C <br />gade slopes . <br />CZ . eloo <br />ty . ys <br />Bed Slope 0.50 % Hydraulae Radius 1.00 Ct <br />Manning s n 0.038 nnber <br />F <br />a0 = 0.48 <br /> Max = 1.30 Ct <br />(18 <br />0 <br />) <br /> 30 = 0.73 ft ( .00 an <br /> 10 0.23 ft ( 3.00 in) <br />~~• New 2/4/94 <br />CRDA3 - 6 <br />