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107.19 5.0 3.3:1 3.3:1 4.5 <br /> Top Manning's Hydraulic Froude <br />Retardance Depth Velocity Width N Radius Number <br />• <br />Class (ft) (fps) (ft) <br />-- <br />Stability B -- <br />- <br />1.71 - <br />--- <br />5.87 - <br />16.3 ------ <br />----- <br />0.057 -- <br />--- <br />1.085 -- <br />- <br />0.98 <br />Capacity B 1.71 5.87 16.3 0.057 1.085 0.98 <br />w/ Freeboard + B 2.71 22.9 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />IN/OUT 9.04 107.19 <br />******************************************************************************* <br />J1, B1, 53 <br />IMM. S OF COUNTY RD <br />Drainage Area from J1, B1, S3, SWS(s)1: 33.0 acres <br />Total Contributing Drainage Area: 108.0 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 /> 118.93 10.0 1.5:1 1.6:1 7.0 0.038 <br /> Top Hydraulic Froude <br /> Depth Velocity Width Radius Number <br /> (ft) <br />-------- <br />-------- (fps) (ft) <br />------------------------------- <br />------- <br />- <br />-------- <br /> <br />0.84 ----------- <br />------------ <br />12.59** 12.6 0.722 -------- <br />2.56 <br />w/ Freeboard: 1.84 15.7 <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 />1.25 15.00 1.00 12.00 0.33 4.00 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />IN/OUT 12.15 118.93 <br />******************************************************************************* <br />• J1, B1, S4 <br />E-W REACH ABOVE 001 <br />Drainage Area from J1, B1, S4, SWS(s)1: 7.5 acres <br />Total Contributing Drainage Area: 115.5 acres <br />