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File: J:\OOJOBS\003-2166\SGOIMD2X 7/22/00, 7:H9:lOPM <br />• Total Contributing Drainage Area: 6.1 acres <br />MATERIAL: GRADED SILTS TO COBBLES COLLOIDAL <br />Trapezoidal Earthen Channel <br />Limiting Variable: Velocity 5.500 fps <br />Sediment-laden Water <br />Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n <br />(cfs) (f t) (%) <br />6.27 10.0 2.5 1 2.5 15 10.0 0.030 <br /> Top Hydraulic Froude <br /> Depth Velocity Width Radius Number <br /> (ft) (fps) (ft) <br /> 0.14 4.20 10.7 0:138 1.99 <br /> w/ Freeboard: 0.14 10.7 <br /> Runoff Peak Peak Sediment Peak Settleable <br /> Volume Discharge Sediment Concentration Concentration 24 VW 24AA <br /> (ac-f t) (cfs) (tons) (mg/1) ~ (ml/1) (ml/1) (ml/1) <br /> --------------- <br />IN/OUT 0.50 ---------- <br />6.27 --------- <br />25.4 --------------------------------------------- <br />59854 22.97 11.42 4.10 <br /> rrrrr####+arrr# ######rrrr ######r#r r###+##rrr+r########rr####+#+r###rr#+##rrrrr# <br />• J1, B1, S3 <br /> DSG1, 37C <br />Drainage Area from J1, B1, S3, SWS (s)1: 2.4 acres <br />Total Contributing Drainage Area: 8.6 acres <br />NATERIAL: GRADED SILTS TO COBBLES COLLOIDAL <br />Trapezoidal Earthen Channel <br />Limiting Variable: Velocity = 5.500 fps <br />Sediment-laden Water <br />Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n <br />(cfs) (f t) (%) <br />------------------------------------------------- <br />8.48 14.0 2.5 1 2.5:1 9.0 0.030 <br />• <br />Top Hydraulic Froude <br />Depth Velocity width Radius Number <br />(f t) (fps) (f t) <br />0.15 4.05 14.7 0.142 1.89 <br />w/ Freeboard: 0.15 14.7 <br />Page: 9 <br />