Where culverts are required to maintain the integrity of roadside drainage, the minimum culvert diameter and slope shall be determined by the Division. The minimum number of inlets and/or manholes required for proper operation and maintenance shall be established by the Division. The responsibility for maintenance of all culverts remains with the Permittee. The Division shall maintain only culverts that are essential to the protection of a County-maintained road or bridge. All stormwater conduits installed under driveways or within County rights-of-way shall conform to applicable specifications stated in Figure 6. Minimum cover for stormwater culverts shall be as recommended by the manufacturer for the size, type, and quality of pipe utilized. All stormwater culverts shall be designed in accordance with the County Stormwater Management Design Manual.
(Ord. 3673, § 2, passed 4-1-2003)