Where natural drainage channels intersect a street right-of-way, the subdivider shall have satisfactory bridges and/or culverts constructed. Where culverts are required, the following minimum requirements shall be observed.
(a) All culverts shall extend across the entire right-of-way width of the proposed street. The cover over the culvert and its capacity shall be determined by the Municipal Engineer. The minimum diameter of a culvert pipe shall be 18 inches. Depending on existing drainage conditions, head walls may be required.
(b) Driveway culverts shall have a minimum length of 20 feet and a minimum diameter of 12 inches. Driveway culverts shall be laid so as to maintain the flow lines of the ditch or gutter. Head walls may be required.
(Ord. 74-O-129, passed 10-17-1974)