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13 30 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 />--------------- ------------------______ <br />0.54 3.99 12.2 0.271 1.35 <br />w/ Freeboard: 0.84 19.0 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />----------------------------- <br />-- --------------- <br />IN/OUT 1.27 13.30 <br />J2, B1, S1 <br />D52:100 YR <br />Drainage Area from J2, B1, S1, SWS(s)1-9: 34.9 acres <br />Total Contributing Drainage Area: 41.8 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) (°s) <br />--------------------------------------------- <br />128.80 10.0 3.0:1 3.0:1 28.4 0.044 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />----------------------------------------------- <br />----------------------------------------------- <br />0.45 25.16** 12.7 0.398 6.98 <br />w/ Freeboard: 0.75 14.5 <br />** Non-uniform flow - Velocity shown is V=Q/A and may not be applicable <br />----DMax---- ----D50---- ----D10---- <br />(ft) (in) (ft) (in) (f t) (in) <br />------------------------------------------ <br />--------------------------- --------- <br />2.50 30.00 2.00 24.00 0.67 8.00 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />----------------------------- <br />----------------------------- <br />IN/OUT 12.27 128.80 <br />• <br />