(A) Approved backflow prevention assemblies shall be installed on the service line to any premises that the Town of Ranlo Water has identified as having a potential for backflow.
(B) The following types of facilities or services have been identified by the Town of Ranlo Water as having a potential for backflow of non-potable water into the public water supply system. Therefore, an approved backflow prevention assembly will be required on all such services according to the degree of hazard present. Other types of facilities or services not listed below may also be required to install approved backflow prevention assemblies if determined necessary by the Town of Ranlo Water. As a minimum requirement, all commercial services will be required to install a double check valve assembly, unless otherwise listed in this division.
Legend: DCVA = Double check valve assembly RP = Reduced pressure principle assembly DCDA = Double check detector assembly RPDA = reduced pressure detector assembly AG = Air gap PVB = pressure vacuum breaker | |
Agricultural meter | RP |
Aircraft and missile plants | RP |
Automotive plants | RP |
Automotive services stations, dealerships and the like | |
No health hazard | DCVA |
Health hazard | RP |
Auxiliary water systems | |
Approved public/private water supply | DCVA |
Unapproved public/private water supply | AG |
Used water and industrial fluids | RP |
Bakeries | |
No health hazard | DCVA |
Health hazard | RP |
Beauty shops/barber shops | |
No health hazard | DCVA |
Health hazard | RP |
Beverage bottling plants | RP |
Breweries | RP |
Buildings: hotels, apartment houses, public and private buildings, or other structures having unprotected cross connections | |
(Under five stories) no health hazard | DCVA |
(Under five stories) health hazard | RP |
(Over five stories) all | RP |
Canneries, packing houses, and rendering plants | RP |
Chemical plants: manufacturing, processing, compounding or treatment | RP |
Chemically contaminated water systems | RP |
Commercial car-wash facilities | RP |
Commercial greenhouses | RP |
Commercial sales establishments (department stores, malls, and the like) | |
No health hazard | DCVA |
Health hazard | RP |
Concrete/asphalt plants | RP |
Dairies and cold storage plants | RP |
Dye works | RP |
Film laboratories | RP |
Fire systems; fire trucks | |
Systems ¾ inch to two inches: | |
No health hazard | DCDA (fire trucks do not require detector assembly.) |
Health hazard (booster pumps, foam, antifreeze solution, and the like) | RP (fire trucks do not require detector assembly.) |
Systems 2 ½ inches to ten inches or larger | |
No health hazard | DCDA (fire trucks do not require detector assembly |
Health hazard (booster pumps, foam, antifreeze solution, and the like) | RPDA (fire trucks do not require detector assembly.) |
Hospitals, medical buildings, sanitariums, morgues, mortuaries, autopsy facilities, nursing and convalescent homes, medical clinics, and veterinary hospitals | RP |
Industrial facilities | |
No health hazard | DCVA |
Health hazard | RP |
Laundries | |
No health hazard | DCVA |
Health hazard (i.e., dry cleaners) | RP |
Lawn irrigation systems (split taps) | RP |
Metal manufacturing, cleaning, processing, and fabricating plants | RP |
Mobile home parks | |
No health hazard | DCVA |
Health hazard | RP |
Oil and gas production, storage or transmission properties | RP |
Paper and paper products plants | RP |
Pest control (exterminating and fumigating) | RP |
Plating plants | RP |
Power plants | RP |
Radioactive materials or substances plants or facilities handling | RP |
Restaurants | |
No health hazard | DCVA |
Health hazard | RP |
Restricted, classified, or other closed facilities | RP |
Rubber plants (natural or synthetic) | RP |
Sand and gravel plants | RP |
Schools and colleges | RP |
Sewage and storm drain facilities | RP |
Swimming pools | |
Direct plumbing | RP |
Indirect plumbing | AIR GAP with Pressure Vacuum Breaker on designated spigot for pool. |
Waterfront facilities and industries: | RP |
(C) All assemblies and installations shall be subject to inspection and approval by the Town of Ranlo Water.
(Ord. passed - -)