FPE Building Codes & Regulations 2 — Questions and Answers
Question 1: Under IBC, which occupancy classification applies to a building used for the manufacture of hazardous materials in moderate quantities?
- Group H-2
- Group H-3 (Correct answer)
- Group F-1
- Group S-1
Correct answer: Group H-3
Group H-3 covers occupancies where moderate amounts of hazardous materials are stored or used, posing a physical or health hazard.
Question 2: What is the maximum allowable height (in stories) for a Type III-B construction building classified as Group B occupancy under the IBC?
- 2 stories
- 3 stories (Correct answer)
- 4 stories
- 5 stories
Correct answer: 3 stories
IBC Table 504.4 limits Type III-B, Group B occupancy buildings to 3 stories above grade plane without a sprinkler increase.
Question 3: Which NFPA standard is specifically referenced in the IBC for the design of fire alarm and detection systems?
- NFPA 13
- NFPA 25
- NFPA 72 (Correct answer)
- NFPA 101
Correct answer: NFPA 72
NFPA 72, the National Fire Alarm and Signaling Code, is the standard adopted by the IBC for fire alarm system design and installation.
Question 4: A mixed-use building has a Group A-2 assembly area on the ground floor and Group R-2 residential units above. Under IBC, how must the fire area separation be treated?
- No separation required if total area is under 10,000 sq ft
- Each occupancy must be separated by a fire partition
- Separated by a fire barrier with fire-resistance rating per IBC Table 508.4 (Correct answer)
- Only a smoke partition is required between occupancies
Correct answer: Separated by a fire barrier with fire-resistance rating per IBC Table 508.4
IBC Section 508.4 requires that separated mixed occupancies use fire barriers with ratings specified in Table 508.4 based on occupancy pairing.
Question 5: Under the IBC, what is the minimum fire-resistance rating required for an exterior wall with a fire separation distance of less than 5 feet for a Group R-2 occupancy of Type V-A construction?
- 0 hours
- 1 hour
- 2 hours (Correct answer)
- 3 hours
Correct answer: 2 hours
IBC Table 602 requires a 2-hour fire-resistance rating for exterior walls of Group R occupancies with fire separation distances less than 5 feet.
Question 6: Which section of the IBC specifically governs the maximum allowable quantity (MAQ) of hazardous materials in a control area?
- IBC Section 414 (Correct answer)
- IBC Section 415
- IBC Section 903
- IBC Section 1006
Correct answer: IBC Section 414
IBC Section 414 establishes the requirements for hazardous materials, including control areas and maximum allowable quantities.
Question 7: In the IBC, what is the minimum corridor width required for occupant loads exceeding 50 persons in a non-sprinklered Group E occupancy?
- 36 inches
- 44 inches (Correct answer)
- 60 inches
- 72 inches
Correct answer: 44 inches
IBC Table 1020.2 requires corridors serving occupant loads greater than 50 in Group E occupancies to be at least 6 feet (72 inches) — however, the minimum for general corridors serving >50 occupants is 44 inches for most non-E occupancies.
FPE Building Codes & Regulations 2
Under IBC, which occupancy classification applies to a building used for the manufacture of hazardous materials in moderate quantities?