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SITE DITCHES AND CULVERTS <br />~~ <br /> <br />PR-07 <br />DITCH - 623 <br /> <br />Watershed datafor watershed #1 Disturbed <br /> Curve number 87.6 <br /> Area 0.4 Acres <br /> Hydraulic Length 160 Feet <br /> Elevation change 20 Feet <br /> Concentration time 0.01 Hours <br /> Concentration time type SCS Upland Curves <br /> Unit hydrograph Disturbed <br /> <br />Total Area 0.4 Acres <br /> <br />Storm data ~ <br /> Total precipitation 1.8 Inches <br /> Storm Type SCS Type 2 storm, 24 hour storm <br /> Peak discharge 0.21 cfs <br /> <br /> <br />Flow from other ditches or culverts 6.88 C-B15 <br /> <br />Peak discharge 7.09 cfs <br />Exh-8 - 56 - <br />7J03 <br />