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26 <br />57 <br />0.62 <br />0.70 <br />UD <br />74 <br />0.55 <br />2.77 <br />v <br />7.0 <br />210 <br />58 <br />3 <br />40.6 <br />36 <br />4 <br />40.6 <br />36 <br />59 <br />0.65 <br />12 <br />6 <br />106.9 <br />60 <br />7 <br />1.44 <br />60 <br />8 <br />3.77 <br />18 <br />TR- 60 12/11 <br />9 <br />2.71 <br />24 <br />61 <br />7.57 <br />1 7.30 <br />UD <br />74 <br />1.81 <br />1 9 <br />v <br />6.0 <br />3 <br />62 <br />2.28 <br />2.20 <br />UD <br />74 <br />1.80 <br />2.4 <br />v <br />13.0 <br />3 <br />63 <br />4.16 <br />3.80 <br />D <br />87 <br />2.10 <br />2.7 <br />v <br />10.0 <br />3 <br />64 <br />1.24 <br />0.70 <br />D <br />87 <br />0.90 <br />1.2 <br />v <br />10.0 <br />Ditch <br />Number <br />10 -Year <br />24 -Hour <br />Peak <br />Discharge <br />Contributing <br />Drainage <br />Area (Acres) <br />Disturbed <br />(D) or <br />Undisturbed <br />(UD) <br />CN <br />Depth <br />(FT) <br />Top <br />Width <br />(FT) <br />Shape <br />Ditch <br />Slope ( %) <br />Rip- Rap <br />(In.) <br />65 <br />0.25 <br />0.14 <br />D <br />87 <br />0.61 <br />0.80 <br />v <br />10.0 <br />66 <br />0.71 <br />0.40 <br />D <br />87 <br />0.78 <br />1.01 <br />v <br />10.0 <br />67 <br />0.75 <br />0.64 <br />D <br />87 <br />0.79 <br />1.02 <br />v <br />10.0 <br />68 <br />1.37 <br />0.20 <br />D <br />87 <br />0.69 <br />2.77 <br />v <br />5.6 <br />69 <br />17.78 <br />1 0.05 <br />D <br />87 <br />2.17 <br />8.66 <br />v <br />7.0 <br />6 <br />* 100 -year 24 -hour storm <br />** Depth includes freeboard <br />Table 21 Culverts <br />Culvert Number <br />10- 24 Hour Peak <br />Discharge (CFS) <br />Minimum Diameter <br />(Inches) <br />Comments <br />1 <br />10.38 <br />21 <br />2 <br />210 <br />60 <br />3 <br />40.6 <br />36 <br />4 <br />40.6 <br />36 <br />5 <br />0.65 <br />12 <br />6 <br />106.9 <br />60 <br />7 <br />1.44 <br />12 <br />8 <br />3.77 <br />18 <br />TR- 60 12/11 <br />9 <br />2.71 <br />24 <br />10 <br />3.12 <br />15 <br />11 <br />1.63 <br />12 <br />12 6 <br />5.71 <br />21 <br />12A <br />47.2 <br />36 <br />TR- 60 12/11 <br />13 <br />8.27 <br />21 <br />Removed TR66 12/11 <br />Removed TR66 12/11 <br />Removed TR66 12/11 <br />15 <br />26.7 <br />36 <br />16 <br />11.96 <br />24 <br />16A <br />11.96 <br />24 <br />TR- 60 12/11 <br />16B <br />11.96 <br />24 <br />TR- 60 12/11 <br />16C <br />11.96 <br />24 <br />TR- 60 12/11 <br />Section 2.05 TR -68 12/10/2014 <br />