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SITE DITCHES AND CULVERTS <br />DITCH - K1 <br />Watershed data for watershed <br />#1 <br />Disturbed <br />Curve number <br />87 <br />Area <br />0.7 <br />Acres <br />Hydraulic length <br />237 <br />Feet <br />Elevation change <br />2.4 <br />Feet <br />Concentration time <br />0.04 <br />Hours <br />Concentration time type <br />SCS Upland Curves <br />Unit hydrograph <br />Disturbed <br />Total Area <br />0.7 <br />Acres <br />Storm data <br />Total precipitation <br />1.8 <br />Inches <br />Storm Type <br />SCS Type 2 storm, 24 <br />hour storm <br />Peak discharge <br />0.46 <br />cfs <br />Flow from other ditches or culverts <br />0.00 <br />Peak discharge <br />0.46 <br />cfs <br />Ditch <br />10 -Year <br />25 -Year <br />K1 <br />0.46 <br />0.59 <br />K2 <br />0.97 <br />1.25 <br />K3 <br />1.70 <br />2.35 <br />K4 <br />1.13 <br />1.46 <br />Area K5 <br />0.21 <br />0.27 <br />4.47 <br />5.92 <br />PR -07 Exh -8 -181 2/03 <br />