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DITCH 9-D10 <br />SEDCAD+ CHANNEL UTILITY <br />----------------------- <br />C~ <br />• <br /> <br />ROCK RIPRAP CHANNEL <br />T <br />* * <br />* Z* <br />* * <br />* b <br />D <br />Discharge = 22.36 cfs Depth (D) = 0.42 feet <br />Bottom (b) = 8.00 feet Top width (T) = 10.51 feet <br />Side slopes (Z) = 3.0:1 Velocity = 5.68 ft/sec <br />Bed Slope = 6.300 $ Hydraulic Radius = 0.36 feet <br />Manning's n = 0.034 <br />Specific Gravity = 2.77 <br />Safety Factor = 1.10 <br />Bottom D50 = 0.38 feet <br />Bank D50 = 0.35 feet <br />Exhibit 18 Revised 12/8/89 <br />-237- <br />