Section 4148.  Drain Tiles


4148.01     general requirements.

Meet the requirements of AASHTO M 178/178 M, standard quality, extra quality, or special quality, as specified, or AASHTO M 179, standard, extra quality, or heavy duty, as specified. When the quality is not specified, use extra quality tile in roadway embankments, and use standard or standard quality tile in other locations.