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<br />r~ <br />U <br /> <br />KERR COAL COMPANY <br />CHANNEL DESIGN <br />CHANNEL ,~ - F-1 (PERMANENT) <br />DESIGN PEAK FLOW (cfs), Q = 14.08 <br />MANNING~S NUMBER, n = 0.0350 <br />CHANNEL SIDE SLOPE, Z = 3.0 <br />HYDRAULIC RADIUS, R = 0.5478 <br />WETTED PERIMETER, P = 8.87 <br />X-SECTION AREA = 4.86 <br />TOP WIDTH OF CHANNEL, T = 10.42 <br />TOTAL DEPTH OF CHANNEL, D = 1.07 <br />CHANNEL SHAPE - TRAPEZOIDAL <br />CHANNEL SLOPE = 1.00 <br />VELOCITY = 2.8 <br />DEPTH OF FLOW, d = 0.77 <br />BOTTOM WIDTH, b = 4.00 <br />WIDTH OF STREAM, t = 8.62 <br />FREEBOARD = 0.30 <br />