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§ 53.04 COMMERCIAL AND INDUSTRIAL HAZARDS.
   A reduced pressure backflow preventer device shall be required for the following hazards:
   (A)   Manufacturers of automotive, aircraft, farm and similar equipment;
   (B)   Canneries, packing, bottling and similar plants;
   (C)   Laundries, car washes, dry cleaners and similar facilities;
   (D)   Mortuaries, laboratories, hospitals and medical facilities;
   (E)   Plating, metal, plastic and paper product plants;
   (F)   Producers of chemicals, fertilizers, rubber, oil, drugs, dyes and other similar products;
   (G)   Swimming pools, saunas and solar heat systems;
   (H)   Any private auxiliary water supply connected to the public supply;
   (I)   Sewage treatment, recyclers and similar facilities;
   (J)   Any facility using a booster pump to amplify the pressure of water provided by the utility;
   (K)   Schools with any of the above hazardous activities; and
   (L)   Any other commercial or industrial facility that is deemed by the utility to pose a contamination hazard.
(1998 Code, § 9-128) (Ord. 586, passed - -1996)
§ 53.05 IRRIGATION SYSTEMS.
   A reduced pressure backflow preventer, an air-gap or an approved pressure type vacuum-breaker device shall be required for the following hazards:
   (A)   Lawn-irrigation systems;
   (B)   Similar lawn-care systems; and
   (C)   Garden hose spigots placed below lawn grade.
(1998 Code, § 9-129) (Ord. 582, passed - -1996)
§ 53.06 RESIDENTIAL REQUIREMENTS.
   A reduced pressure backflow preventer shall be required for the following hazards:
   (A)   Residents with hot water heat (boilers); the boilers should have, as per the State Plumbing Code, an expansion tank and or safety valves to prevent expansion problems; and
   (B)   Any residence with a private auxiliary water supply connected to the public supply through the user's private water supply system.
(1998 Code, § 9-130) (Ord. 582, passed - -1996)
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