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SITE DITCHES AND CULVERTS <br />DITCH - H1 <br />Watershed <br />data for watershed <br />#1 <br />Disturbed <br />Curve number <br />87 <br />Area <br />0.7 <br />Acres <br />Hydraulic length <br />869 <br />Feet <br />Elevation change <br />20 <br />Feet <br />Concentration time <br />0.16 <br />Hours <br />Concentration time type <br />SCS Upland Curves <br />Unit hydrograph <br />Disturbed <br />Watershed <br />data for watershed <br />#2 <br />Derelict <br />Curve number <br />74 <br />Area <br />0.8 <br />Acres <br />Hydraulic length <br />640 <br />Feet <br />Elevation change <br />50 <br />Feet <br />Concentration time <br />0.06 <br />Hours <br />Concentration time type <br />SCS Upland Curves <br />Unit hydrograph <br />Agriculture <br />Watershed <br />data for watershed <br />#3 <br />Irrigated Haylands <br />Curve number <br />71 <br />Area <br />3.3 <br />Acres <br />Hydraulic length <br />770 <br />Feet <br />Elevation change <br />60 <br />Feet <br />Concentration time <br />0.08 <br />Hours <br />Concentration time type <br />SCS Upland Curves <br />Unit hydrograph <br />Agriculture <br />Total Area <br />4.8 <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 />1.06 <br />cfs <br />Flow from other ditches or culverts <br />0.89 <br />Pond F dewatering pipe (402 gpm) <br />0.62 <br />Ditch H2 <br />Peak discharge <br />2.57 <br />1 cfs <br />TR -91 Exh -8 -166 10/14 <br />