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18.66 <br />2.5:1 20.0:1 5.0 0.035 <br />Top Hydraulic Froude <br />Depth---Velocity----Width----Radius-----Number- <br />(ft) (fps) (ft) <br />0.62 4.34 13.9 0.308 1.38 <br />w/ Freeboard: 0.92 20.7 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <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 />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---- ----D50---- ----D10---- <br />(ft) (in) (ft) (in) (ft) (in) <br />1.88 22.50 1.50 18.00 0.50 6.00 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br /> <br />IN/OUT 5.10 53.87 <br />******************************************************************************* <br />~J <br />