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Table 4: Ditch Design Parameters. <br />10 <br />Top Width <br />XS Area <br />Pond <br />Ditch <br />Design <br />Bottom <br />Side <br />Channel <br />Depth w/o <br />Freeboard <br />w/ <br />w/o <br />Velocity <br />Name <br />Name <br />Discharge <br />Width <br />Slope <br />Slope <br />Freeboard <br />(ft) <br />Freeboard <br />Freeboard <br />(mss) <br />(cfs) <br />(ft) <br />(H:V) <br />( %) <br />( ft ) <br />(ft) <br />(sq. ft) <br />NHN - <br />001 <br />54.98 <br />15.00 <br />2:1 <br />1.30 <br />0.68 <br />1.00 <br />21.71 <br />11.10 <br />4.95 <br />NHN- <br />East <br />001 <br />NHN - <br />001 <br />43.41 <br />12.00 <br />2:1 <br />1.30 <br />0.07 <br />1.00 <br />18.73 <br />9.11 <br />4.77 <br />West <br />NHN - <br />002 <br />37.89 <br />12.00 <br />2:1 <br />1.50 <br />0.59 <br />1.00 <br />18.38 <br />7.83 <br />4.84 <br />North <br />NHN- <br />NHN - <br />002 <br />002 <br />South <br />25.13 <br />12.00 <br />2:1 <br />2.00 <br />0.43 <br />1.00 <br />17.72 <br />5.52 <br />4.55 <br />w/o <br />Riprap <br />NHN - <br />003 <br />34.99 <br />15.00 <br />2:1 <br />2.20 <br />0.45 <br />1.00 <br />20.78 <br />7.09 <br />4.94 <br />NHN- <br />North <br />003 <br />NHN - <br />003 <br />37.34 <br />15.00 <br />2:1 <br />1.90 <br />0.48 <br />1.00 <br />20.94 <br />7.73 <br />4.83 <br />South <br />10 <br />