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18.66 2.5:1 20.0:1 5.0 0.035 <br /> Top Hydraulic Froude <br />Depth Width <br />Velocity Radius Number <br />- <br />(ft) -- <br />(fps) (ft) ---- <br />---- - <br />- <br />0.62 ---- <br />4.34 13.9 0.308 1.38 <br />w/ Freeboard: 0.92 20.7 <br /> Runoff Peak <br /> Volume Discharge <br /> (ac-ft) <br />------------------- <br />-- <br />--- (cfs) <br />---------- <br />---------- <br /> ------------- <br />- <br />IN/OUT 1.76 18.66 <br />*********************** ******************* ************** *********************** <br />J2, B1, S1 <br />D54:100 YR <br />Drainage Area from J2, B1, S1, SWS(s)1-9: 9.2 acres <br />Total Contributing Drainage Area: 17.4 acres <br />MATERIAL: Rock Riprap <br />Trapezoidal Riprap Channel <br />Steep Slope Design - Simons/OSM Method <br />Design Bottom Manning~s <br />Discharge Width ZLeft ZRight Slope n <br />(cfs) (ft) (~) <br />53.87 6.0 3.0:1 3.0:1 22.0 0.041 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />----------------------------------------------- <br />----------------------------------------------- <br />0.40 18.86** 8.4 0.336 5.69 <br />w/ Freeboard: 0.70 10.2 <br />** Non-uniform flow - Velocity shown is V=Q/A and may not be applicable <br />----DMax---- <br />(ft) (in) <br />1.88 22.50 <br />----D50---- <br />(ft) (in) <br />1.50 18.00 <br />----D10---- <br />(ft) (in) <br />0 50 6.00 <br /> <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) <br />----------------- <br />-- (cfs) <br />------------ <br />------------ <br />--------------- <br />IN/OUT 5.10 53.87 <br />******************************************************************************* <br />G <br />