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I• <br /> <br />PR-07 <br />SITE DITCHES AND CULVERTS <br />DITCH - 620 <br /> <br />Watershed data for watershed #1 Disturbed <br /> Curve number 87.6 <br /> Area 1.2 Acres <br /> Hydraulic length 320 Feet <br /> Elevation change 70 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 Juniper Woodland <br /> Curve number 61 <br /> Area 0.4 Acres <br /> Hydraulic length 365 Feet <br /> Elevation change 50 Feet <br /> Concentration time 0.03 Hours <br /> Concentration time type SCS Upland Curves <br /> Unit hydrograph Forested <br /> <br />Total Area ~ 1.6 Acres <br /> <br />Storm data <br /> Total precipitation ~ 1.8 Inches <br /> Storm Type SCS Type 2 storm, 24 hour storm <br /> Peak discharge 0.69 cfs <br /> <br /> <br />Flow from other ditches or culverts 0 <br /> <br />Peak discharge 0.69 cfs <br />Exh-8 - 53 - <br />voa <br />