ICC Building Code Professionals 2 — Questions and Answers
Question 1: Under the IBC, which occupancy classification applies to a building used as an assisted living facility housing 16 or more residents?
- Group R-1
- Group R-4
- Group I-1 (Correct answer)
- Group I-2
Correct answer: Group I-1
Assisted living facilities with 16 or more residents who are capable of self-preservation are classified as Group I-1 under the IBC.
Question 2: What is the maximum allowable floor area for a single story Group B occupancy building of Type VB construction with no sprinkler system?
- 9,000 sq ft
- 12,000 sq ft
- 19,000 sq ft (Correct answer)
- 23,000 sq ft
Correct answer: 19,000 sq ft
The IBC allows 19,000 square feet for a single-story Group B, Type VB construction without a sprinkler system.
Question 3: Which IRC provision governs the minimum required glazing area for habitable rooms?
- 8% of the floor area (Correct answer)
- 10% of the floor area
- 12% of the floor area
- 15% of the floor area
Correct answer: 8% of the floor area
The IRC requires glazing in habitable rooms to be not less than 8% of the floor area of the room served.
Question 4: When must an ICC-certified building official issue a stop-work order on a construction project?
- Only after two documented violations
- When work is being done without a permit or in violation of the code (Correct answer)
- Only when structural integrity is at immediate risk
- After receiving a formal complaint from a neighbor
Correct answer: When work is being done without a permit or in violation of the code
A building official has authority to issue a stop-work order whenever work is being done without a required permit or in violation of applicable code provisions.
Question 5: What is the required fire-resistance rating for interior load-bearing walls in a Type IA construction building?
- 1 hour
- 2 hours
- 3 hours (Correct answer)
- 4 hours
Correct answer: 3 hours
IBC Table 601 requires interior load-bearing walls in Type IA construction to have a minimum 3-hour fire-resistance rating.
Question 6: Under the IBC, what is the minimum width of a means of egress corridor serving an occupant load of 50 or more?
- 36 inches
- 44 inches (Correct answer)
- 48 inches
- 60 inches
Correct answer: 44 inches
The IBC requires corridors that serve an occupant load of 50 or more to have a minimum clear width of 44 inches.
Question 7: Which code section of the IBC addresses the requirements for accessible parking spaces, including van-accessible spaces?
- Chapter 9
- Chapter 10
- Chapter 11 (Correct answer)
- Chapter 12
Correct answer: Chapter 11
Chapter 11 of the IBC covers accessibility requirements, including the scoping and technical criteria for accessible and van-accessible parking spaces.
Under the IBC, which occupancy classification applies to a building used as an assisted living facility housing 16 or more residents?