Contra Costa County |
Ordinance Code |
Title 9. SUBDIVISIONS |
Division 914. DRAINAGE |
Chapter 914-6. OPEN CHANNELS AND DITCHES |
§ 914-6.202. Earth channels — Maximum design velocities.
Latest version.
Maximum design velocities for natural or improved earth channels shall be those specified by a licensed soil engineer in the soil report. The calculations shall be based upon the United States Department of Agriculture, Soil Conservation Service Tractive Force Method, or an alternative method approved by the public works department.
(Ords. 89-28, 78-5).