Building Codes & Standards Flashcards

Under NFPA 101, a 'common path of travel' is the portion of the exit access that occupants must traverse before reaching a point where:

Answer: Two separate and distinct paths of egress travel are available

NFPA 101 defines common path of travel as the distance before occupants reach a point where two separate egress paths diverge.

IBC requires a fire command center in high-rise buildings to have a minimum floor area of:

Answer: 96 sq ft

IBC Section 911 requires fire command centers to have a minimum floor area of 96 square feet with a minimum dimension of 8 feet.

According to NFPA 13, what is the minimum operating pressure required at any sprinkler in a hydraulically calculated system?

Answer: 7 psi

NFPA 13 requires a minimum residual pressure of 7 psi at any sprinkler in a hydraulically calculated system.

Under IBC, which condition triggers the requirement for a smoke control system in an atrium?

Answer: Atria connecting three or more stories

IBC Section 404.5 requires smoke control systems in atria that connect three or more stories.

NFPA 72 requires smoke detectors installed in HVAC ducts to be listed for duct use and installed at least how far downstream from any air inlet?

Answer: 6 duct widths

NFPA 72 requires duct smoke detectors to be placed at least 6 duct widths downstream from any air inlet to ensure representative air sampling.

According to IBC, a Group H-2 occupancy is characterized by materials that pose which primary hazard?

Answer: Deflagration hazard

IBC Group H-2 occupancies contain materials that present a deflagration hazard, such as flammable gases and Class I flammable liquids.

Under NFPA 13, the density/area design method requires that the design area NOT be reduced below what minimum value, regardless of building configurations?

Answer: 1,500 sq ft

NFPA 13 establishes that the design area used in the density/area method shall not be reduced below 1,500 sq ft even when adjustments are permitted.