(a) The type of protection required under Section 913.05(b), shall depend on the degree of hazard which exists as follows:
(1) A required air gap separation and an approved reduced pressure principle backflow prevention device shall be maintained where a public water system may be contaminated with substances that could cause a severe health hazard;
(2) A required air gap separation shall be maintained or an approved reduced pressure principle backflow prevention device shall be installed where a public water system may be contaminated with any substance that could cause a system or health hazard or a pollutional hazard.
(b) The type of protection required under Section 913.05(c) shall be a required air gap separation or an approved interchangeable connection.
(c) Where an auxiliary water system is used as a secondary source of water for a fire protection system, the provisions of subsection (b) here of for a required air gap separation or an approved interchangeable connection may be waived by the Service Director and the Ohio E.P.A. provided:
(1) At premises where the auxiliary water system may be contaminated with substances that could cause a system or health hazard, a public water system or a potable consumer’s water system shall be protected against backflow by installation of an approved reduced pressure principle backflow prevention device;
(2) At all other premises, a public water system or a potable consumer’s water system shall be protected against backflow by installation of an approved reduced pressure principle backflow prevention device;
(3) A public water system or a potable consumer’s water system shall be the primary source of water for the fire protection system;
(4) The fire protection system shall be normally filled with water from a public water system or a potable consumer’s water system;
(5) The water in the fire protection system shall be used for fire protection only, with no other use of water from the fire protection system, downstream from the approved backflow prevention device.
(d) Type of Backflow Protection Required; Domestic and Commercial Water Services. An approved backflow prevention device of the type designated shall be installed on each domestic water service connection to the following types of facilities unless the Service Director determines that no real or potential health, pollutional, or system hazard to the public water system exists.
Abbreviations used in this chapter are as follows:
A.G.—Air Gap Separation per Section 913.03(c)
R.P.—Reduced Pressure Principle Backflow Preventer.
Type of Facility | Minimum Type of Protection |
Breweries, distilleries, bottling plants | R.P. |
Car wash with recycling system and/or wax eductor | R.P. |
Chemical plants | R.P. |
Dairies | R.P. |
Health care facilities | R.P. |
Fertilizer plants | R.P. |
Film laboratory or processing plant | R.P. |
Food or beverage plant | R.P. |
Laboratories | R.P. |
Laundries and dry cleaning plants | R.P. |
Machine tool plants (health or system hazard) | R.P. |
Machine tool plants (pollutional hazard) | R.P. |
Metal processing plant (health or system hazard) | R.P. |
Metal processing plant (pollutional hazard) | R.P. |
Metal plating plant | R.P. |
Morgues and mortuaries | R.P. |
Packing houses or rendering plants | R.P. |
Paper products plant | R.P. |
Petroleum processing plant | R.P. |
Petroleum storage yard (health or system hazard) | R.P. |
Pharmaceutical or cosmetic plant | R.P. |
Power plants | R.P. |
Radioactive material plants | R.P. |
Restaurants with soap eductors and/or industrial type disposal | R.P. |
Sand and gravel pits | R.P. |
Schools with laboratories having acid wastes | R.P. |
Sprinkling or irrigation systems | R.P. |
Swimming pools with piped fill line | R.P. |
Sewage treatment plants | R.P. |
Sewage pumping stations | R.P. |
Veterinary establishments | R.P. |
Premises having submerged inlets to equipment | R.P. |
Premises having self-draining yard hydrants, fountains, hose boxes or similar devices presenting a health or system hazard (i.e., chemical storage plants, tank farms, bulk storage yards) | R.P. |
Premises having self-draining yard hydrants, fountains, hose boxes or similar devices presenting a pollutional hazard (i.e., parks, play fields, cemeteries) | R.P. |
(e) Type of Backflow Protection Required; Fire Protection Service. An approved double check valve assembly device or the use of a reduced pressure principle backflow prevention device shall be installed on each fire protection service to any premises unless the Service Director determines that no real or potential health, pollutional, or system hazard to the public water system exists. The double check assembly device must meet all of the following requirements before it can be approved by the City Water and Fire Divisions.
(1) Water from the downstream side of the double check valve assembly device shall be used for fire protection only.
(2) There shall be no regular use of water downstream from the double check valve assembly device other than for fire system make-up water.
(3) The fire system shall be filled with water from the public water supply only.
(4) The public water supply must be the primary source of water for fighting fires.
(5) The water system must contain no additives. Provided, however, where the fire protection system contains any of the following components, a reduced pressure principle backflow prevention device shall be installed between such component and the rest of the water system so as to isolate such component from the rest of the water system:
Auxiliary Water System
Anti-Freeze Legs
Covered Gravity or Pressure Storage Tanks
Uncovered Storage Tanks or Reservoirs
(f) The City Fire Division shall maintain a current record of all double check valve assembly devices which are a part of the fire sprinkler system connected to the City public water system.
(Ord. 89-21. Passed 1-10-89.)