An approved backflow prevention device shall be installed on each service line to a customer’s water supply system serving the following types of facilities unless the city determines that no health, pollution, or system hazard to the public water supply system exists (see Appendix, Table II):
(A) Hospitals, mortuaries, dental clinics, nursing and convalescent homes, medical buildings;
(B) Testing laboratories, film laboratories, film development facilities;
(C) Sewage treatment plants, sewage pumping stations, or stormwater pumping stations;
(D) Food or beverage processing plants;
(E) Chemical plants;
(F) Metal de-greasing, plating industries, machine tool plants, dye and metal processing or productions;
(G) Chemical and petroleum processing or storage plants;
(H) Car washes, automobile servicing facilities;
(I) Lawn irrigation systems and swimming pools;
(J) Laundries and dry cleaners;
(K) Packing houses;
(L) Power plants;
(M) Premises having radioactive materials such as laboratories, industries, hospitals;
(N) Rendering plants;
(O) Premises having water recirculating system as used for boilers or cooling systems and water softeners; softeners may be isolated with a double check valve assembly, or factory manufactured internal backflow protection, and approved by the city;
(P) Veterinary establishments, kennels, feedyards, stables, rodeo grounds, stockyards, pet grooming salons;
(Q) Beauty salons, barbershops, massage parlors, health clubs;
(R) Fire suppression systems;
(S) Multi-storied buildings greater than three stories in height;
(T) Schools, universities, colleges; and
(U) Other commercial or industrial facilities which may constitute potential cross-connection.
(Prior Code, § 51.104) (Ord. 1493, passed 1-25-1993)