All excavations required for the installation of a building sewer shall be open trench work unless otherwise requested by the City Inspector. Pipe laying and backfill shall be performed in accordance with ASTM Specification C 12 except that no backfill shall be placed until the work has been inspected. (See Appendix No. 1 - Recommended Practice for Installing Vitrified Clay Sewer Pipe and No. 2, Figure 1, Trench Detail).
(Ord. 98-038. Passed 9-14-98.)