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SITE DITCHES AND CULVERTS <br /> <br /> <br />i• <br />DITCH - C21 <br /> <br />Watershed data for watershed #1 Disturbed <br /> Curve number 87.6 <br /> Area 0.9 Acres <br /> Hydraulic length 400 Feet <br /> Elevation change 100 Feet <br /> Concentration time 0.02 Hours <br /> Concentration time type SCS Upland Curves <br /> Unit hydrograph Disturbed <br /> <br />Watershed data for watershed #2 Mixed Shrub <br /> Curve number 41 <br /> Area 0.4 Acres <br /> Hydraulic length 280 Feet <br /> Elevation change 90 Feet <br /> Concentration time 0.05 Hours <br /> Concentration time type SCS Upland Curves <br /> Unit hydrograph Forested <br /> <br />Total Area 1.3 Acres <br /> <br />Storm data <br /> Total precipitation 1.8 Inches <br /> Storm Type SCS Type 2 storm, 24 hour storm <br /> Peak discharge 0.59 cfs <br /> <br /> <br />Flow from other ditches or culverts 0 <br /> <br />Peak discharge 0.59 cfs <br />PR-OB Exh-8 - 74v - ivoi <br />