§ 51.64 OPEN TRENCH EXCAVATIONS REQUIRED.
   All excavations required for the installation of a building service sewer shall be open trench work, unless otherwise approved by the Sewer Collections Division Supervisor. Inspections must be made before the trench is closed, with line fully exposed.
(‘89 Code, § 102.18) (Ord. 46-2005, passed 11-14-05)