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• <br />• <br />• <br />TR-03 <br />SITE DITCHES AND CULVERTS <br />DITCH - F2 <br /> <br />Watershed data for watershed #1 Dirt <br /> Curve number 87 <br /> Area 2.5 Acres <br /> Hydraulic length 723 Feet <br /> Elevation change 245 Feet <br /> Concentration time 0.03 Hours <br /> Concentration time type SCS Upland Curves <br /> Unit hydrograph Disturbed <br /> <br />Watershed data for watershed #2 Dirt <br /> Curve number 87 <br /> Area 1.2 Acres <br /> Hydraulic length 106 Feet <br /> Elevation change 2 Feet <br /> Concentration time 0.01 Hours <br /> Concentration time type SCS Upland Curves <br /> Unit hydrograph Disturbed <br /> <br />Total Area 3.7 Acres <br /> <br />Storm data <br /> Total precipitation 1.8 Inches <br /> Storm Type SCS Type 2 storm, 24 hour storm <br /> Peak discharge 2.41 cfs <br /> <br /> <br />Flow from other ditches or culverts 0.70 D-F1 <br /> 6.57 Gob Pile Road <br /> 1.98 Coverfill Pile <br /> Reach A7 <br /> <br />Peak discharge 11.66 cfs <br />Exh-8 - 75 - <br />6/98 <br />