Life Safety Flashcards
Visual Alarms
Heard throughout building, placed @ exits, no specified location rules
Audible Alarms
All public use access, specific placement, more install locations
Combination of visual and audible alarms
Must conform to requirements of both.
Combustible
Will ignite & burn
Noncombustible
Will not ignite or burn
Flame resistant
withstands flame & fire
Fire resistant
resists the spread of fire
Reach ranges
15”-48” unobstructed
15”-44” obstructed
Passive fire control examples
Construction assemblies, smoke barriers, compartmentalization
Active fire control examples
Sprinklers
Max travel distance
furthest point of a space to the exit
Fire dampers
Prevent the spread of fire and smoke. Smoke dampers only resist the spread of smoke.
Corridor width exceptions
Doors can reduce width up to 1/2 during swing, but only project 7” when fully open.
Handrails can encroach 4.5” on each side
Nonstructural components - 1 1/2” max on each side
Structural elements & light fixtures - standard obstruction rules
Corridors
Always part of the egress of a building, used for calculating travel distance, part of the exit access, and not always fire-rated.
Egress door width
32” clear width