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• <br />74 <br />Table 20. Results of Hydraulic Calculations for <br />Restoration Channels. <br />r <br />l~ <br />r <br />• <br /> <br />Channel <br />Unit <br />Slope Manning' <br />n s Channel Design <br />Shape Discharge <br />(cts) Normal <br />Depth <br />(feet) <br />velocity <br />(fps) D50 of <br />Riprap <br />(feet) <br />PM-CH-B Trapezoidal; <br />Newlin 0.049 0.043 Bottom width 2470.0 2.9 11.6 1.50 <br />Creek 50'; 4:1 <br /> Trapezoidal; <br />PM-Cti-13 0.048 0.030 Bottom width 29.0 0.6 5.2 0.50 <br /> 8'; 2:1 <br /> Trapezoidal; <br />PM-CH-11 0.048 0.030 Bottom width 43.0 0.8 6.0 0.50 <br /> 8'; 2:1 <br />Sw-11 Tracezoidal; <br />Drainage 0.072 0.030 Bottom width 57.4 0.8 7.3 0.50 <br />Channel 5'; 4:1 <br /> Trapezoidal; <br />PM-CH-6 0.070 0.030 Bottom width 89.9 1.0 7.8 0.75 <br /> 6'; 3:1 <br />