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TABLE TR 90-06-7 (CONY) <br />• <br />C~ <br />M3N -DIVERSION DITCH SPECIFICATIONS <br /> Stockpond <br />Diversion 11) Ditch P-1 (b) Ditch P-1 (c) Ditch P-11d) <br />Design Event 10 yr-24 hr 25 yr - 24 hr 25 yr - 24 hr 10 yr - 24 hr <br />Peak Discharge 15.76 cfs 1.37 6.26 0.78 <br />Ditch Slope (°~) 2.0 3.0 3.0 3.0 <br />Shape Parabolic Triangular Triangular Triangular <br />Design <br />Specifications <br />Sideslopes (h:v- <br /> <br />2:1 <br /> <br />2:1 <br /> <br />2:1 <br />Depth lft) 1.52 0.80 1.19 0.71 <br />Top Width (ftl 5.6 3.20 4.75 2.82 <br />Velocity (fps) 3.98 2.72 3.98 2.37 <br />Hydraulic Radius 0.69 0.22 0.40 0.18 <br />Manning's n 0.041 0.035 0.035 0.035 <br />Froude Number 0.78 0.96 1.05 0.92 <br />Lining Grass soil/rock soil/rock soil/rock <br />11 Taken from Exhibit 3 of Permit C-81-036 materials prepared by Leondard Rice Water <br />Consutants. <br />THE CALCULATIONS STATE THAT THIS IS A PRE-EXISTII <br />merely exploring the possibility of utilizing this pre-existing <br />• <br />Ex. 3-251a) <br />