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12.29 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 />0.53 3.91 11.9 0.263 1.34 <br />w/ Freeboard: 0.83 18.6 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />IN/OUT 1.13 12.29 <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 />35.67 6.0 3.0:1 3.0:1 22.0 0.040 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />----------------------------------------------- <br />----------------------------------------------- <br />0.30 17.49** 7.8 0.259 6.02 <br />w/ Freeboard: 0.60 9.6 <br />** Non-uniform flow - Velocity shown is V=Q/A and may not be applicable <br />----DMaX---- <br />(ft) (in) <br />----D50---- <br />(ft) (in) <br />----D10---- <br />(ft) (in) <br />1.56 18.75 <br />1.25 15.00 <br />0.42 5.00 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) <br />----------------- <br />------ (cfs) <br />------------ <br />------------ <br />--------- <br />-- <br />IN/OUT 3.27 35.67 <br /> <br />s <br />