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FROM STA. 35+80 TO CULVERT 41b <br />i PEAK FLOW: 4 cfs <br />MAX SLOPE: 5.2% <br />MIN SLOPE: 5.2% <br />SIZE DITCH: d =~ 74 :032 l3/8 = 0.7 ft. <br />ADD .3 FT. FREEBOARD SO d = 1.0 ft. <br />CHECK VELOCITY: V = 2 47 = 4.1 ft./sec. <br /> <br />• <br /> <br />17-fi-5 <br />