NICET FAS-III case studies
NICET FAS-III · Put your knowledge to work in context.
NICET's Fire Alarm Systems (FAS) certification is a professional credential for technicians, designers, and inspectors who work with fire detection and alarm systems. NICET lists FAS within its Fire Protection/Building Systems Programs, alongside Inspection and Testing of Fire Alarm Systems, Water-Based Systems Layout, Inspection and Testing of Water-Based Systems, Special Hazards Systems, and In-Building Public Safety Communications. The NICET FAS-III case studies are 5 cases and about 3,096 words.
1The 2021 Spec vs. the 2022 Adoption Ordinance
A three-story, 1970s office building (Type II-B, 42,000 sq ft) is under renovation. The sealed permit set, prepared in 2021, cites NFPA 72 2016.
646 words, about 3 min2Thirty-Foot Spacing Under a Thirty-Two-Foot Deck
A 120,000 sq ft single-story distribution center has a flat, smooth metal-deck roof at 32 ft, ESFR sprinklers, and 24-ft double-stack racking throughout. The sealed design shows spot-type photoelectric smoke detectors on a 30 ft x 30 ft grid, ceiling-mounted, with the outer rows about 15 ft from the walls; two rows land within 2 ft of 24 in.
659 words, about 3 min3T-Taps, Shared Raceway, and a Passed Rough-In
During a site walk on a six-story, 180,000 sq ft speculative office fit-out, you find the following on the fire alarm: the signaling line circuit is installed as a single Class B trunk with T-taps serving each tenant floor, although the sealed drawings specify Class A SLC. On two floors the SLC and notification circuits share a 4 in.
494 words, about 2 min4Six Sensitivity Failures, Two Dead Duct Detectors, One Weak Battery
You are performing the annual test on a twelve-year-old addressable system serving a nine-floor office tower: 84 spot smoke detectors, 9 duct detectors on packaged rooftop units, 12 waterflow switches, and one 24 V FACP whose four batteries are now five years old. Results: 6 detectors out of sensitivity (4 too insensitive, 2 too sensitive); 2 duct detectors alarm on magnet test but not when aerosol is introduced at the sampling tube with the AHU running; a waterflow switch alarms 3 min 40 s after the inspector's test valve is opened; the batteries fall below 20.4 V within 20 minutes of a load test; the last notification appliance on one floor measures 19.4 V with all appliances sounding.
684 words, about 3 min5A TCO Tomorrow, an Unsigned Record of Completion
An eight-story mixed-use building is chasing a temporary certificate of occupancy for floors 2 through 8. The final acceptance test has not been witnessed by the AHJ.
613 words, about 3 min