Building Inspection Flashcards

Under the IBC, which Assembly occupancy group classification applies to a bowling alley?

Answer: A-3

Bowling alleys are classified as Assembly Group A-3 under the IBC, which covers assembly uses intended for worship, recreation, or amusement and includes indoor sport arenas without spectator seating.

What is the minimum required width for a means of egress corridor serving an occupant load greater than 50 persons, per the IBC?

Answer: 44 inches

The IBC requires corridors serving an occupant load greater than 50 persons to have a minimum clear width of 44 inches to allow for safe evacuation.

Under the IBC, when a building is equipped with an automatic sprinkler system, how does this affect corridor fire-resistance rating requirements?

Answer: Sprinkler protection may reduce corridor fire-resistance rating requirements

The IBC allows automatic sprinkler systems to reduce corridor fire-resistance rating requirements because sprinklers provide compensating fire protection and life safety features.

What is the minimum clear width required for an accessible route per the IBC and ADA accessibility standards?

Answer: 36 inches

An accessible route must maintain a minimum clear width of 36 inches along its entire length to accommodate wheelchair users.

What is the maximum slope permitted for an accessible ramp under the IBC?

Answer: 1:12 (8.33%)

The IBC requires that ramps on accessible routes have a maximum slope of 1:12, meaning for every 12 inches of horizontal run there is no more than 1 inch of rise.

Under the IBC, what is the maximum travel distance to an exit in a non-sprinklered Group B (Business) occupancy?

Answer: 200 feet

The IBC limits travel distance to an exit in a non-sprinklered Group B occupancy to 200 feet, measured along the natural path of travel.

What is the primary purpose of a certificate of occupancy (CO)?

Answer: Authorize occupancy by certifying that the building complies with applicable codes and is safe to use

A certificate of occupancy is issued by the building official to certify that construction complies with all applicable codes and that the structure is safe and approved for its intended use.