ID Fire Alarm case studies
ID Fire Alarm · Put your knowledge to work in context.
The ID Fire Alarm credential is a state-issued certification for individuals who inspect, test, and maintain fire alarm systems in Idaho. It is aimed at technicians and inspectors who work for alarm contractors, perform periodic inspections on commercial and institutional properties, and must demonstrate knowledge of adopted codes, system fundamentals, and field testing practice. The ID Fire Alarm case studies are 5 cases and about 3,653 words.
1Corridor Smoke Detectors Mounted on a Deep Soffit
A design-build contractor is renovating a 120 ft long, 6 ft wide corridor in a 1970s office building. The ceiling is 9 ft high, but a continuous 20 in deep soffit runs along one side, leaving only a 4 ft wide flat ceiling section.
739 words, about 4 min2Voice Evacuation Audibility in a Sanctuary with a Balcony
A 350-seat church sanctuary has a vaulted ceiling that peaks at 28 ft and a balcony with a 12 ft high underside. The worship space is carpeted and has an organ and amplified speech.
740 words, about 4 min3NAC Voltage Drop and Mixed-Manufacturer Synchronization
A 24 VDC addressable fire alarm control unit serves a new elementary school. NAC 1 is a Class B circuit wired with 14 AWG stranded copper, 300 ft from the panel to the last appliance.
724 words, about 4 min4Annual Waterflow Test and Missing Valve Tamper Supervision
During the annual inspection of a wet-pipe sprinkler system in a warehouse, the technician opens the inspector's test valve at the remote end of the system. The electric waterflow switch activates an alarm at the fire alarm panel in 72 seconds.
726 words, about 4 min5Intermittent Ground Fault on a Garage NAC After Rain
A 16-year-old addressable fire alarm system protects a 5-story office building with an attached parking garage. The panel reports a ground fault on NAC 3 only during and after rain.
724 words, about 4 min