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SITE DITCHES AND CULVERTS <br />I� <br /> I• <br />PR-03 <br />DITCH - C12 <br />Watershed data for watershed <br />#1 <br />Disturbed <br />Curve number <br />87.6 <br />Area <br />7.3 <br />Acres <br />Hydraulic length <br />1575 <br />Feet <br />Elevation change <br />220 <br />Feet <br />Concentration time <br />0.07 <br />Hours <br />Concentration time type <br />SCS Upland Curves <br />Unit hydrograph <br />Disturbed <br />Watershed <br />data for watershed <br />#2 <br />Mixed Shrub <br />Curve number <br />41 <br />Area <br />35.2 <br />Acres <br />Hydraulic length <br />2730 <br />Feet <br />Elevation change <br />1180 <br />Feet <br />Concentration time <br />0.32 <br />Hours <br />Concentration time type <br />SCS Upland Curves <br />Unit hydrograph <br />Forested <br />Watershed data for watershed <br />#3 <br />P-Disturbed <br />Curve number <br />74 <br />Area <br />1.1 <br />Acres <br />Hydraulic length <br />2145 <br />Feet <br />Elevation change <br />370 <br />Feet <br />Concentration time <br />0.18 <br />Hours <br />Concentration time type <br />SCS Upland Curves <br />Unit hydrograph <br />Disturbed <br />Total Area <br />43.6 <br />Acres <br />Storm data <br />Total precipitation <br />1.8 <br />Inches <br />Storm Type <br />SCS Type 2 storm, 24 hour storm <br />Peak discharge <br />5.91 <br />cfs <br />Flow from other ditches or culverts <br />0.93 <br />D -C20 <br />Peak discharge <br />6.84 <br />cfs <br />Exh -8 - 70 - <br />5/99 <br />