(A) All backflow prevention assemblies shall be tested upon installation by a backflow prevention tester and certified to be operating within specification enumerated in the Manual M14 or the University of Southern California Manual of Cross-Connection Control, ninth edition or current edition. Backflow prevention assemblies which are installed to provide protection against health and non-health hazards must be tested and certified to be operating within specification at least annually by a backflow prevention assembly tester.
(B) All backflow prevention assemblies shall be installed and tested in accordance with the manufacturer’s instructions, Manual M14 or the University of Southern California Manual of Cross-Connection Control, ninth edition or current edition. Test results shall be recorded on a backflow prevention assembly test report form and submitted to the City Plumbing Inspector within five days of the test. When applicable with the requirements above, all backflow prevention assemblies must be located underground in a vault. The assembly shall be readily accessible with adequate room for testing and maintenance. All vaults shall be well drained, constructed of suitable material and sized for appropriate clearances.
(C) Assemblies shall be repaired, overhauled or replaced at the expense of the owner whenever said assemblies are found to be defective by a backflow prevention assembly tester. Original forms of such test, repairs and overhaul shall be submitted to the City Plumbing Inspector within five working days of the test, repair or overhaul of each backflow prevention assembly.
(D) No backflow prevention assembly or device shall be removed from use, relocated or other assembly or device substituted without the approval of the City Plumbing Inspector. Whenever the existing assembly or device needs to be removed from the present location, the backflow assembly or device shall be replaced with a backflow prevention assembly or device that complies with this section, Manual M14 or the pertinent Plumbing Code, whichever is most stringent.
(1998 Code, § 122-141) (Ord. 08-47, passed 11-19-2008; Ord. 11-42, passed 11-16-2011)