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File: J:\OOJOBS\003-2166\SGOIMD2X 7/22/00, 7:64:1OPM <br />• <br />., <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) (ft) (~) <br />10.69 10.0 2 5 1 2 5:1 10.0 0 030 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(fU (fps) (f t) <br />----------------------------------------------- <br />----------------------------------------------- <br />0.20 5.15 11.0 0.188 2.09 <br />w/ Freeboard: 0.20 11.0 <br />Runoff Peak Peak Sediment Peak Settleable <br />Volume Discharge Sediment Concentration Concentration 24VW 24AA <br />(ac-f t) (cfs) (tons) (mg/1) (ml/1) (ml/1) (ml/1) <br />------------------------------------------------------------------------------- <br />IN/OUT 0.90 10.69 47.5 64256 24.66 13.49 4.38 <br />+++aaa+aa+++aaaa+a++++++++++aaa+a+ar+r+a++++aaaa+++a+a++aa+a++++++ra+a+++++++++ <br />J1, B1, 53 <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 />MATERIAL: GRADED SILTS TO COBBLES COLLOIDAL <br />Trapezoidal Earthen Channel <br />Limiting Variable: Velocity = 5.500 fps <br />Sediment-laden Water <br />w/ Freeboard: <br />Design Bottom Manning's <br />Discharge Width 2Left ZRight Slope n <br />(cfs) (ft) (&) <br />--------------- --- ----------- <br />14.63 14.0 2.5:1 2.5:1 9.0 0.030 <br />Depth Velocity <br />(ft) (fps) <br />0.20 4.99 <br />o.2a <br />Top Hydraulic Froude <br />Width Radius Number <br />(ft) <br />15.0 0.194 1.99 <br />ls.o <br />• Page: 41 <br />