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DITCH 9A-D8 <br />SEDCAD+ CHANNEL UTILITY <br />----------------------- <br />• <br />Discharge <br />Side slopes <br />Bed Slope <br />Manning's n <br />• <br />• <br />VEGETATED CHANNEL <br />T <br />***********,t********,t,t***,ttr**** <br />** ** <br />** ** <br />** Z *~ <br />** ** <br />** ** <br />** ** <br />** ** <br />= 0.03 cfs <br />(Z) = 2.0:1 <br />= 4.500 $ <br />= 0.034 <br />D <br />Depth (D) _ <br />Top width (T) _ <br />Velocity - <br />Hydraulic Radius = <br />0.11 feet <br />0.46 feet <br />1.20 ft/sec <br />0.05 feet <br />Exhibit 18 Revised 12/8/89 <br />-191- <br />