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(ac-ft) (cfs) <br />IN/OUT 4.17 44.88 <br />*~******~********~*****~~*******~**********~*****~*******~******~******~,r,r***** <br />J4, B2, S3 <br />REACH MILL - <br />Drainage Area from J4, B2, S3, SWS(s)1: 0.0 acres <br />Total Contributing Drainage Area: 22.0 acres <br />MATERIAL: Rock Riprap <br />Trapezoidal Riprap Channel <br />Steep Slope Design - PADER Method <br />Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n <br />(cfs) (ft) ($) <br />44.88 <br />Depth <br />(ft) <br />1.18 <br />w/ Freeboard: 1.18 <br />3.0 2.5:1 2.5:1 3.7 0.037 <br />Top Hydraulic Froude <br />Velocity Width Radius Number <br />(fps) (ft) <br />6.40 8.9 0.750 1.27 <br />8.9 <br />----DMax---- ----D50---- ----D10---- <br />(ft) (in) (ft) (in) (ft) (in) <br />------------------------------------------ <br />------------------------------------------ <br />0.31 3.75 0.25 3.00 0.08 1.00 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />----------------------------- <br />----------------------------- <br />IN/OUT 4.17 44.88 <br />*****~~~******~********~,r*********~*~~~*~,r*,r*****~,r****~*****~,t******~*~**,t~~** <br />J5, B1, S1 <br />REACH A - <br />Drainage Area from J5, B1, S1, SWS(s)1: 0.0 acres <br />Total Contributing Drainage Area: 521.9 acres <br />MATERIAL: GRADED LOAM TO COBBLES <br />Trapezoidal Earthen Chan <br />Limiting Variable: Velocity = <br />Sediment-laden Water <br />Design Bottom <br />Discharge Width ZLeft ZRight <br />(cfs) (ft) <br />434.88 3.0 2.5:1 <br />Top <br />Depth Velocity Width <br />(ftj (fpsj (ftj <br />NONCOLLOIDAL <br />nel <br />5.000 fps <br />Manning's <br />Slope n <br />($) <br />2.5:1 0.2 0.030 <br />Hydraulic Froude <br />Radius Number <br />