Laserfiche WebLink
TABLE TR 90-06-7 (CONY) <br />• <br />CJ <br /> <br />M3N -DIVERSION DITCH SPECIFICATIONS <br /> Ditch P-3(b) Ditch P-4 Office <br />Perimeter Ditch F-2 <br />Design Event 10 yr-24 hr 10 yr - 24 hr 10 yr - 24 hr 10 yr - 24 hr <br />Peak Discharge 0.68 3.32 cfs 1.46 cfs 2.61 <br />Ditch Slope (°k) 3.0 3.0 °,6 1.5 °~ 7.00 <br />Shape Parabolic Triangular Triangular Trapezoidal <br />Design <br />Specifications <br />Sideslopes (h:v) <br /> <br />- <br /> <br />2:1, 2:1 <br /> <br />2:1 <br /> <br />2:1 <br />Depth (ft) 0.63 1.0 ft 0.90 ft 0.51 <br />Bottom Width (ftl - 3.0 <br />Top Width (ft) 2.50 4.0 ft 3.50 ft 5.04 <br />Velocity (fps) 2.40 3.40 2.13 fps 3.63 <br />Hydraulic Radius 0.19 0.31 0.26 ft 0.18 <br />Manning's n 0.035 0.035 0.035 0.035 <br />Froude Number 0.91 1.01 0.69 1.48 <br />Lining soil/rock soil/rock soil/rock soil/rock <br />Ex. 3-25(b) <br />