(a) All new installations of fire suppression systems, which utilize the city's potable water supply, shall have installed an approved backflow prevention device according to the degree of hazard.
(b) An approved double check detector backflow prevention assembly (DCDA) or reduced pressure detector assemblies (RPDA) shall be the minimum protection for fire sprinkler systems. Piping material that is not approved for potable water use and/or that does not provide for periodic flow-through during each twenty-four (24) hour period, cannot be used unless a variance has been issued in writing from the city. A (RPDA) must be installed if any solution other than the potable water can be introduced into the sprinkler system.
(1) It is the responsibility of all property owners and persons in charge of any premises to abide by the conditions of this subchapter. In the event of any changes to the plumbing system, it is the responsibility of the property owners to notify the regulatory authority. All costs associated with this section and the purchase, installation, testing, and repair of a (DCDA) or (RPDA) device is the responsibility of the property owner and persons in charge of any premises.
(2) Upon the approved installation of the (DCDA) or (RPDA) device, a cross-connection test report completed by a licensed fireline tester must be sent to the attention of the city and include the information required by this subchapter.
(Ord. 7-15-03-1, passed 7-15-03)