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