(A) Slope. The minimum slope on all roadside ditches shall be 0.25%. The maximum side slope for ditches along arterial, collector and subdivision streets shall be three to one (3:1) and the maximum back slope shall be two to one (2:1). For local streets, the maximum side slope shall be two to one (2:1).
(B) Depth. The minimum depth of all roadside ditches shall be 18 inches below the edge of pavement.
(C) Seeding or paving. All roadside ditches with grades of less than 3% shall be seeded and mulched with straw or sodded. All ditches with grades of at least 3%, but less than 5% shall be sodded and all ditches with grades of 5% or more shall be paved. Any method of stabilizing the ditches which is deemed equivalent of the foregoing by the County Engineer is acceptable. Seeding and sodding shall be in conformance with the State Department of Transportation Standard Specifications. The seed mixture to be used shall be indicated on the plans.
(Prior Code, § 8-81) (Ord. 1986-7, passed 10-21-1986)