The provisions of the Uniform Plumbing Code shall apply to the installation, alteration, repair and replacement of plumbing systems, including equipment, appliances, fixtures, fittings and appurtenances, where connected to a water or sewage system and all aspects of a medical gas system. (Ord. 2344 § 1 (Exh. A), 2021; Ord. 2052 § 2 (Exh. B), 2010; Ord. 1986 § 1, 2007; Ord. 1926 § 4, 2004).