§ 97.51  PROVISIONS NOT APPLICABLE TO CITY WORK.
   The provisions of this subchapter shall not be applicable to any excavation work under the direction of competent city authorities by employees of the city or by any contractor of the city performing work for and in behalf of the city necessitating openings or excavations in streets.
('69 Code, § 18-66)  (Ord. O-74-3, passed 2-11-74; Am. Ord. O-12-23, passed 11-12-12)