§ 51.049 EXCAVATIONS.
   All excavations required for the installation of a building sewer shall be open trench work unless otherwise approved by the Superintendent, or other officer or employee of the city appointed for such purpose. Pipe laying and backfill shall be performed in accordance with ASTM specification (C12-19), except that no backfill shall be placed until the work has been inspected.
(Prior Code, § 52.049)