Building Codes & Standards Flashcards

Under the IBC, a college classroom building is generally classified as which occupancy group?

Answer: Group B

Group E covers education through the 12th grade; education above 12th grade is classified as Group B.

A restaurant or nightclub with an occupant load of 50 or more is classified under which IBC occupancy?

Answer: A-2

Group A-2 covers assembly uses for food and drink consumption, such as restaurants, bars, and nightclubs.

Which IBC construction type allows exterior walls of noncombustible materials while interior building elements may be of any material permitted by code?

Answer: Type III

Type III construction requires noncombustible (or fire-retardant-treated wood) exterior walls, while interior elements may be any permitted material.

In the IBC, what is the main feature that sets a fire wall apart from a fire barrier?

Answer: A fire wall has structural stability so collapse on one side does not cause collapse on the other

IBC 706 requires fire walls to stay structurally stable so they create separate buildings for code purposes.

Under the IBC, a high-rise building is one with an occupied floor located more than how far above the lowest level of fire department vehicle access?

Answer: 75 feet

The IBC defines a high-rise as having an occupied floor more than 75 feet above the lowest level of fire department vehicle access.

Under the IBC mixed-occupancy rules, an accessory occupancy may not exceed what share of the floor area of the story it is on?

Answer: 10%

IBC 508.2.3 limits accessory occupancies to 10% of the floor area of the story they are located on.

Fire separation distance under the IBC is measured from the building face to which of the following?

Answer: The closest interior lot line, the centerline of a street, or an imaginary line between two buildings on the same lot

The IBC defines fire separation distance as measured to the closest interior lot line, street centerline, or an imaginary line between buildings.