ICC Building Inspection 3

Question 1

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

Accepted Answer

A-3

Answer

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.

Question 2

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

Accepted Answer

44 inches

Answer

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.

Question 3

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

Accepted Answer

Sprinkler protection may reduce corridor fire-resistance rating requirements

Answer

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

Question 4

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

Accepted Answer

36 inches

Answer

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

Question 5

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

Accepted Answer

1:12 (8.33%)

Answer

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.

(ICC) International Code Council Practice Test

(ICC) International Code Council Practice Test

ICC Building Inspection 3