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<br />•_ <br />~J <br />SITE DITCHES AND CULVERTS <br />DITCH - F3 <br /> <br />Watershed data for watershed #1 Dirt <br /> Curve number 87 <br /> Area 0.9 Acres <br /> Hydraulic length 304 Feet <br /> Elevation change 50 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 Dirt <br /> Curve number 87 <br /> Area 0.6 Acres <br /> Hydraulic length 340 Feet <br /> Elevation change 5 Feet <br /> Concentration time 0.08 Hours <br /> Concentration time type SCS Upland Curves <br /> Unit hydrograph Disturbed <br /> <br />Total Area 1.5 Acres <br /> <br />Storm data <br /> Total precipitation 1.8 Inches <br /> Storm Type SCS Type 2 storm, 24 hour storm <br /> Peak discharge - 1.01 cfs <br /> <br /> <br />Flow from o ther ditches or culverts 11.66 D-F2 <br /> 13.74 Coverfill Pile <br /> Reach A6 <br /> 6.26 Gob Pile Upper <br /> Diversion A4b Reach <br /> <br />Peak discharge 32.67 cfs <br />TR-03 EXh-H - 76 - 6/98 <br />