Subsection 913.4 - Valve supervision Where provided, the fire pump suction, discharge and bypass valves, and isolation valves on the backflow prevention device or assembly shall be supervised open by one of the following methods: [F]
1. Central-station, proprietary or remote-station signaling service.2. Local signaling service that will cause the sounding of an audible signal at a constantly attended location.4. Sealing of valves and approved weekly recorded inspection where valves are located within fenced enclosures under the control of the owner. 913.4.1Test outlet valve supervision. Fire pump test outlet valves shall be supervised in the closed position. [F]