Section R. 325.11405 - Backflow preventers; tester qualifications and correctionsRule 1405.
(1) Backflow preventers shall meet the applicable ASSE or CSA standards.(2) Beginning January 1, 2018, test results of backflow preventers are valid only if testing was performed by individuals holding an active ASSE 5110 certification.(3) The total time allowed for completion of the necessary corrections shall be contingent upon the degree of hazard involved and include the time required to obtain and install equipment. If the cross connection has not been removed or properly protected, after a reasonable period of time, the water supply shall shut off the water supply to the premises or physically separate the public water supply system from the onsite piping system in a manner that the 2 systems cannot again be connected by any unauthorized person.Mich. Admin. Code R. 325.11405
1979 AC; 1998 AACS; 2009 AACS; 2015 MR 20, Eff. 10/16/2015