A. Channels and ditches shall be designed to avoid roadside safety hazards. The minimum flow line slope shall be 0.75 percent. The maximum permissible velocity should prevent undue scouring of the finer materials silting downstream and in no case should exceed five feet (5') per second.
B. Appropriate erosion control devices such as riprap, gabions, seeding and mulch, asphalt and concrete must be provided as a lining to all channels and ditches specifically designated for the purpose of conveying storm water runoff. (Ord. 2007-06, 8-14-2007)