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<br />Table 18. Summary of Hydraulic Calculations for the Major Diversion Channels. <br />Channel <br />Alternati~:c Channel <br />Slope Manning's <br />n Channel <br />Shape Design <br />Discharge <br />(cfs) Normal <br />Depth <br />(feet) <br />Velocity <br />(fps) D50 of <br />Riprap <br />(feet) <br /> Trapezoidal; <br />lei-A 0.125 0.032 Bottom width ]65 1.80 1].8 2.00 <br /> 6'; 2:1 <br /> Trapezoidal; <br />15-8 0.170 0.0]2 Bottom width 365 1.56 14.0 2.00 <br /> 6'r 3:1 <br /> Trapezoidal; <br />15-C 0.037 0.024 Bottom width 365 2.11 10.7 1.20 <br /> 6'r 2:1 <br /> Trapezoidal; <br />1'.~-D 0.037 0.023 Bottom width 365 1.93 9.8 1.00 <br />' 6'r 3:1 <br /> Trapezoidal; <br />17-A 0.083 0.030 Bottom width 966 2.55 14.0 2.00 <br /> 10'r 3:1 <br /> Trapezoidal; <br />17-8 0.083 0.029 Bottom width 966 2.31 17.3 1.80 <br /> 10'r 4:1 <br /> Trapasoidel; <br />17-C 0.067 0.029 Bottom width 966 2.60 13.5 1.85 <br /> 10'; 3:1 <br /> Trapezoidal; <br />17-D 0.067 0.028 Bottom width 966 2.39 12.6 1.60 <br /> 10'; 4:1 <br />m <br />J <br />