Chapter 8 Flashcards
Systems that require ______ of occupants are not required to meet survivability requirements
total evacuation
outgoing and return conductors of class a circuits ___ be separated by a distance of
1 in vertically and 4 in horizontally
one of the level 3 survivability requirements is
a fully sprinkled building
a minimum speech transmission index of ____ is considered as intelligible
.5
an emergency voice alarm communications system uses ____ communication
one way communication
two way in building emergency communications systems are also called
firefighters telephones
in building fire emergency voice alarm communications systems are required to have what secondary power supply capacity
24 hours standby plus 15 minutes of all connected load
Nfpa 72 requires fire fighters telephone systems to support no fewer than _____ handsets under simultaneous use.
5
intranet alerts and reverse 9-1-1 are examples of
distributed recipient mass notification system
where a fire command center is required section _____ of the international building codes requires a minimum fire rating of ____
911
1 hour
when survivability is required for an emergency voice/alarm communications system which of the following circuits are required to meet the survivability requirements
notification appliance circuits
