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• KERR COAL COMPANY <br />CHANNEL DESIGN <br />CXANMEL Y - PD1 STEEP SECTION <br />DESIGN PEAK FLOW (tfs), R 14.52 CHANNEL SHAPE - TRAPE20IDAL <br />IWNNING'S NUIBER, n = 0.0350 CHANNEL SLOPE (X) = 28.00 <br />CHANNEL SIDE SLOPE, Z = 3.0 VELOCITY (fps) 7.2 <br />XYDRAUIiC RADIUS, R = 0.1793 DEPTH OF FLOP (ft), d = 0.19 <br />WETTED PERIMETER, P = 11.20 BOTTOM WIDTX (f t), b = 10.00 <br />X-SECTION AREA (sq-ft) = 2.01 YIDTH OF STREAM (ft), t = 11.14 <br />TOP WIDTH OF CHANNEL (ft), T = 12.94 FREEBOARD (ft) = 0.30 <br />TOTAL DEPTH OF CHANNEL (f t), D = 0.49 <br /> <br /> <br />