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Area li - Sta 20 + <br /> Avg. S = 0.014 <br />Q = 13.12 cfs <br />d = 14/58.07 (0.014)2 <br />d = 1.43 ft. <br />V = 14 2 = 3.44 fps <br />2(1.4:,) <br />F = 1 + 0.025 vd 1~3 = 1.10 ft. <br />D = d + F = 2.53 ft. <br />Area G - Sta 8 + 4 <br />S = 0.0061 <br />Q = 18.47 cfs <br />d = 1958.07 (0.0051) <br />d = 2.05 ft. <br />V = 19 2 = 2.27 fps <br />2(2.05) <br />F = 1 + 0.025 vd 1~3 = 1.07 ft. <br />D = d + F = 3.12 ft. <br />A channel with a depth of 2.5 ft. will safely pass the flows from <br />• a 10-year; 24-hour storm. Because all velocities are low, this <br />channel need not be riprapped. <br />• <br />12/13/83 <br />