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~~ <br /> <br />PR-07 <br />SITE DITCHES AND CULVERTS <br />CULVERT-B3 <br /> <br />Watershed data for watershed #1 Disturbed <br /> Curve number 87.6 <br /> Area 4.1 Acres <br /> Hydraulic length 480 Feet <br /> Elevation change 140 Feet <br /> Concentration time 0.02 Hours <br /> Concentration time type SCS Upland Curves <br /> Unit hydrograph Disturbed <br /> <br /> <br />Total Area 4.1 Acres <br /> <br />Storm data <br /> Total precipitation 1.8 Inches <br /> Storm Type SCS Type 2 storm, 2 4 hour storm <br /> Peak discharge 2.63 cfs <br /> <br /> <br />Flow from other ditches or culverts 0 <br /> <br />Peak discharge 2.63 cfs <br />Exh-8 - 32iii - <br />2/03 <br />