A. Culverts shall be installed for each driveway crossing an open existing or proposed ditch. The culvert pipe shall be laid with the invert elevation thereof at the normal or proposed and approved flow line of the ditch. Culvert size shall be of the diameter specified by the village, but shall not be less than twelve inches (12") internal diameter. The culvert shall extend a minimum of four feet (4') for each foot of depth on each side of the completed driveway and there shall be adequate side slope between the edge of the driveway and the end of the culvert pipe to prevent the entrance or obstruction of or by dirt or fill material. This requirement may be waived in instances where a concrete, stone or wood retaining wall is approved by the village.
B. Culvert pipes shall be bedded in gravel. Where the invert elevation of the culvert pipe is three feet (3') or more, the side slope protection shall be of bituminous material or concrete. Pipe culverts shall consist of the following materials: corrugated metal pipe or sleeved and corrugated PVC pipe.
C. Bent or damaged ends of pipe culverts shall be repaired, straightened or trimmed prior to bond refund. (Ord. 1990-O-58 § 4)