(A) The following is a partial list of facilities which may require reduced-pressure principal backflow prevention assemblies (RB) at the service connection (requirements are based upon the degree of hazard afforded the public potable water system):
(1) Automatic car washes;
(2) Auxiliary water systems;
(3) Exterminators;
(4) Facilities with boilers, or chilled water systems;
(5) Fire systems containing chemicals;
(6) Hospitals, medical clinics, dental clinics, health clinics, sanitariums, morgues, mortuaries, autopsy facilities, and nursing and convalescent homes;
(7) Irrigations systems and lawn sprinkler systems;
(8) Laboratories (industrial, commercial, photography, medical, and school);
(9) Commercial laundries;
(10) Radiator and battery shops;
(11) Restricted, classified, or other facilities closed to inspection;
(12) Sand, gravel, and concrete plants;
(13) Wastewater treatment plants, pump stations, and stormwater pumping facilities;
(14) Marinas and dockside facilities;
(15) Commercial swimming pools;
(16) Commercial poultry farms, and commercial farms using pesticides and herbicides;
(17) Establishments holdings livestock for sale or slaughter; and
(18) Others (with suspected high hazards).
(B) The following is a partial list of facilities which may require double-check valve assemblies:
(1) Apartment buildings;
(2) Beauty parlors and barber shops;
(3) Hotels and motels;
(4) Restaurants, cafeterias, fast-food marts, and other food handling facilities;
(5) Tall buildings;
(6) Fire sprinkler systems (without chemicals); and
(7) Others (with suspected medium hazards).
(Prior Code, § 10.28.05) (Ord. 97-10, passed 10-6-1997)