Alarm Systems Inspection Twork Twork 2000 Attic: Annual Fire Alarm Inspection to include functional testing of all accessible devices. We will conduct tests to ensure that all components of the system are in working order, including everything from fire alarm panels and all accessible pull stations and smoke, heat, duct, and beam detectors if present. In addition, we will test annunciators, batteries, battery backup, and confirm visual and audible device activation. This service does not include operating and controlling elevator passenger cabs. The fire sprinkler contractor will test the tamper, water flow, pre-action, and hi/low air devices.