13.10.040 Backflow prevention assembly (BPA) requirements.
A. The following shall apply to all properties where an actual cross-connection exists or a potential cross-connection exists, which if connected would represent a hazard. The owner of the premises and/or the owner of the property are responsible for providing backflow protection in accordance with OAR 333-061-0070. The type and location of the BPA and elimination method shall be subject to approval by the city or its designee.
B. The property and/or premises owner assumes all responsibility for any damages resulting from installation, operation, and/or maintenance of any BPA.
C. In addition to other situations required by law or this chapter, backflow protection shall be required or upgraded in each of the following specific circumstances:
1. The nature or extent of any activity of the premises, or the materials used in connection with any activity of the premises, or materials stored on the premises, representing a hazard to the city water system.
2. Cross-connections are present.
3. Intricate plumbing arrangements are present that make it impractical to ascertain whether cross-connections exist.
4. There is a history of cross-connections being established or reestablished.
5. Entry has been denied for cross-connection inspection.
6. Materials are being used such that, if backflow should occur, a health hazard could result.
7. An approved cross-connection survey report form has not been filed with the city as requested.
8. A fire sprinkler system using nonpotable piping material is connected to the city water system.
9. When a building is constructed on commercial premises, and the end use of such building is not determined or could change (such as shopping malls and buildings with undetermined occupancy), a reduced pressure principle backflow prevention assembly shall be installed at the service connection.
10. If any water use on the premises changes which increases the degree of hazard.
11. If it is determined the plumbing system has been changed without obtaining proper permits as required by the city.
12. Any building with a water storage tank.
13. A pressurized irrigation system is installed on the premises.
14. In special circumstances, when the customer is engaged in the handling of especially dangerous or corrosive liquids or industrial or process waters, the city may require the customer to eliminate certain plumbing or piping connections as an additional precaution and as a protection to the backflow protective devices.
15. All service connections two inches or larger.
16. An auxiliary water source exists on the property or is piped to the property.
17. Any mobile apparatus which uses the city’s water from any premises within the water service area of the city. [Ord. 649 § 4.]