In addition to the backflow prevention devices and measures required by other sections of this subchapter, the following classes of uses and structures shall install and maintain a backflow prevention device approved by the Cross-Connection Control Inspector and placed at the point of the water service connection to the structure:
(A) Buildings with complex plumbing systems;
(B) Buildings within which hazardous material or waste is handled in a manner which presents the foreseeable and reasonable possibility of a cross-connection of hazardous material or waste to the city water system, including research and chemical industry facilities;
(C) Buildings of five or more stories above ground level;
(D) Hospitals and similar medical facilities;
(E) Morgues, mortuaries, and autopsy facilities;
(F) Wastewater plants;
(G) Metal plating facilities;
(H) Sites at which two or more operational violations have occurred within any one 12-month period; and
(I) Buildings otherwise closed to inspection.
(Ord. 23-38, passed 11-9-2023)