FST Building Codes 4 — Questions and Answers
Question 1: A fire safety technician is reviewing plans for a high-rise building. Under the IBC, what height threshold defines a high-rise building?
- Over 55 feet in height
- Over 75 feet in height (Correct answer)
- Over 100 feet in height
- Over 120 feet in height
Correct answer: Over 75 feet in height
IBC Section 403 defines a high-rise building as one with occupied floors more than 75 feet above the lowest level of fire department vehicle access.
Question 2: Which NFPA standard governs the installation of fire doors and other opening protectives?
- NFPA 10
- NFPA 80 (Correct answer)
- NFPA 92
- NFPA 105
Correct answer: NFPA 80
NFPA 80 (Standard for Fire Doors and Other Opening Protectives) establishes the installation, inspection, testing, and maintenance requirements for fire door assemblies.
Question 3: Under the IBC, what is the required fire-resistance rating for a fire barrier used to separate a Group I-2 occupancy (hospital) from a Group B occupancy in the same building?
- 1 hour
- 2 hours (Correct answer)
- 3 hours
- 4 hours
Correct answer: 2 hours
IBC Table 508.4 requires a 2-hour fire barrier to separate a Group I-2 occupancy from a Group B occupancy when using a separated occupancy approach.
Question 4: What does the term 'means of egress' encompass according to NFPA 101?
- Only the exit doors and exit discharge
- Only the interior corridors leading to exits
- The exit access, exit, and exit discharge as a complete path (Correct answer)
- The building exterior and public way only
Correct answer: The exit access, exit, and exit discharge as a complete path
NFPA 101 defines the means of egress as a continuous path consisting of the exit access, the exit itself, and the exit discharge leading to a public way.
Question 5: Which building code section typically regulates the maximum allowable quantities of hazardous materials in control areas?
- IBC Chapter 3 – Use and Occupancy Classification (Correct answer)
- IBC Chapter 4 – Special Detailed Requirements
- IBC Chapter 9 – Fire Protection Systems
- IBC Chapter 27 – Electrical
Correct answer: IBC Chapter 3 – Use and Occupancy Classification
IBC Chapter 3 and its associated tables establish maximum allowable quantities (MAQs) of hazardous materials per control area before triggering a Group H occupancy classification.
Question 6: Under NFPA 101, which term describes an area within a building where occupants can safely wait for assisted evacuation without being in immediate danger from fire?
- Refuge area
- Area of rescue assistance (Correct answer)
- Safe haven
- Defend-in-place zone
Correct answer: Area of rescue assistance
NFPA 101 refers to an 'area of rescue assistance' as a location with direct access to an exit where persons unable to use stairs may await evacuation assistance.
Question 7: What is the primary purpose of a smoke compartment as required in Group I-2 occupancies under the IBC?
- To provide an area for storing firefighting equipment
- To limit the spread of smoke and allow defend-in-place evacuation (Correct answer)
- To separate different patient care units for privacy
- To reduce the occupant load of large floor plates
Correct answer: To limit the spread of smoke and allow defend-in-place evacuation
Smoke compartments in Group I-2 occupancies are designed to contain smoke and allow non-ambulatory patients to be horizontally evacuated to an adjacent safe compartment without leaving the building.
A fire safety technician is reviewing plans for a high-rise building.
Under the IBC, what height threshold defines a high-rise building?