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SITE DITCHES AND CULVERTS <br /> <br />I~ <br />I• <br />PR-03 <br />DITCH - C12 <br /> <br />Watershed data for watershed #1 Disturbed <br /> Curve number 87.6 <br /> Area 7.3 Acres <br /> Hydraulic length 1575 Feet <br /> Elevation change 220 Feet <br /> Concentration time 0.07 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 35.2 Acres <br /> Hydraulic length 2730 Feet <br /> Elevation change 1180 Feet <br /> Concentration time 0.32 Hours <br /> Concentration time type SCS Upland Curves <br /> Unit hydrograph Forested <br /> <br />Watershed data for watershed #3 P-Disturbed <br /> Curve number 74 <br /> Area 1.1 Acres <br /> Hydraulic length 2145 Feet <br /> Elevation change 370 Feet <br /> Concentration time 0.18 Hours <br /> Concentration time type SCS Upland Curves <br /> Unit hydrograph Disturbed <br /> <br />Total Area 43.6 Acres <br /> <br />Storm data <br /> Total precipitation 1.8 Inches <br /> Storm Type SCS Type 2 storm, 24 hour storm <br /> Peak discharge 5.91 cfs <br /> <br /> <br />Flow from other ditches or culverts 0.93 D-C20 <br /> <br />Peak discharge 6.84 cfs <br />Exh-8 - 70 - <br />5199 <br />