1. All repairs to backflow prevention assemblies shall be performed by registered backflow prevention assembly technicians.
2. The registered backflow prevention assembly technician shall not change the design, material, or operational characteristics of a backflow prevention assembly during repair or maintenance, and shall use only original manufacturer replacement parts.
3. The registered backflow prevention assembly technician shall report the repair of a backflow prevention assembly to the customer and to the Des Moines Water Works within fifteen (15) days of the repair. The report shall include the list of materials or replacement parts used.
4. Any time fire services are discontinued for a period of time longer than necessary to test the device; the tester is required to notify the Fire Marshal’s office that the fire service is shut off for repair.