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DITCH 9-D15B <br />SEDCAD+ CHANNEL UTILITY <br />----------------------- <br />• ROCK RIPRAP CHANNEL <br />T <br />* * <br />* Z* <br />* * D <br />* * <br />* * <br />* b <br /> Discharge = 8.08 cfs Depth (D) = 0.32 feet <br /> Bottom (b) = 4.00 feet Top width (T) = 5.93 feet <br /> Side slopes (Z) = 3.0:1 Velocity = 4.95 ft/sec <br /> Bed Slope = 7.000 ~ Hydraulic Radius = 0.26 feet <br /> Manning's n = 0.033 <br /> Specific Gravity = 2.77 Bottom D50 = 0.33 feet <br /> Safety Factor - 1.10 Bank D50 = 0.30 feet <br /> <br />• <br />Exhibit 18 Revised 12/8/89 <br /> -243- <br />