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<br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />IN/OUT 11.43 144.54 <br />i#ii**iii#iii**ii###iii*i#i*ii*i#iiii*iiiiiiiiiiiiiiiiii*ii*ii**ii************* <br />J1, B1, S4 <br />S2FN - REACH B <br />Drainage Area from J1, <br />Total Contributin <br />Entrance <br />Loss Maximum <br />Coefficient Headwater <br />(ft) <br />B1, S4, <br />q Draina <br />Pipe <br />Length <br />(ft) <br />SWS(s)1-2: 28.1 acres <br />qe Area: 111.9 acres <br />Pipe Manning's <br />Slope n Tailwater <br />(~) (ft) <br />0.50 10.0 145.0 2.0 0.026 0.0 <br />Minimum Pipe Diameter Required: 54.0 inches <br />(See Culvert Utility Program for full performance curves) <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfa) <br />IN/OUT 15.26 193.01 <br />##iiii###iiii**ii#i##i*iiii*ii***iiiiii###i###iiii#**i#**ii*******************# <br />J1, B2, S1 <br />S1F - REACH B <br />Drainage Area from J1, B2, S1, SWS(s)1-2: 69.0 acres <br />Total Contributing Drainage Area: 69.0 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 />119.01 15.0 2.5:1 2.5:1 2.5 0.036 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />------------------------------------------- <br />- --------------------------------------- <br />0.88 7.84** 19.4 0.769 1.56 <br />w/ Freeboard: 0.88 19.4 <br />i* 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 />------------------------------------------ <br />------------------------------------------ <br />