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<br />KERR COAL COMPANY <br /> <br /> <br />DESIGN PEAK FLOW (cfs), Q = 1.18 CHANNEL SHAPE - TRAPE20IDAL <br />MANNING'S NUMBER, n = 0.0350 CHANNEL SLOPE = 14.00 <br />CHANNEL SZDE SLOPE, 2 = 3.0 VELOCITY = 3.1 <br />HYDRAULIC RADIUS, R = 0.0841 DEPTH OF FLOW, d = 0.09 <br />CHANNEL DESIGN <br />CHANNEL $ - PD3 (STEEP SECTION) <br />WETTED PERIMETER, P = 4.57 <br />X-SECTION AREA = 0.38 <br />TOP WIDTH OF CHANNEL, T = 6.34 <br />TOTAL DEPTH OF CHANNEL, D = 0.39 <br />BOTTOM WIDTH, b = 4.00 <br />WIDTH OF STREAM, t = 4.54 <br />FREEBOARD = 0.30 <br />