F60 Construction Site Fire Safety 2 — Questions and Answers
Question 1: When torch operations are performed near combustible wall framing, what is the minimum clearance distance required before ignition begins?
- 12 inches
- 18 inches
- 36 inches (Correct answer)
- 6 inches
Correct answer: 36 inches
A minimum 36-inch clearance from combustible materials is required before torch operations begin.
Question 2: Which document must be completed and posted at the work site before any torch operation can legally begin on a construction site in NYC?
- OSHA 300 Log
- Hot Work Permit (Correct answer)
- Material Safety Data Sheet
- Building Inspection Certificate
Correct answer: Hot Work Permit
A Hot Work Permit must be completed and posted at the site prior to initiating any torch operations.
Question 3: What is the fire guard's primary responsibility during a torch operation on a construction site?
- Operating the torch equipment
- Monitoring for fire ignition and maintaining suppression readiness (Correct answer)
- Coordinating material deliveries
- Inspecting completed welds
Correct answer: Monitoring for fire ignition and maintaining suppression readiness
The fire guard must continuously monitor for ignition sources and be ready to suppress any fire immediately.
Question 4: After torch operations are completed, how long must a fire watch be maintained at the construction site?
- 15 minutes
- 30 minutes (Correct answer)
- 1 hour
- 2 hours
Correct answer: 30 minutes
FDNY regulations require a minimum 30-minute fire watch after torch operations cease to detect smoldering materials.
Question 5: Which type of fire extinguisher is most appropriate for a construction site where torch operations may ignite both ordinary combustibles and flammable liquids?
- Class A only
- Class B only
- Class ABC dry chemical (Correct answer)
- Class D extinguisher
Correct answer: Class ABC dry chemical
A Class ABC dry chemical extinguisher covers ordinary combustibles, flammable liquids, and energized electrical equipment.
Question 6: On a construction site, combustible debris must be cleared to what radius around the torch operation work area?
- 5 feet
- 10 feet (Correct answer)
- 15 feet
- 35 feet
Correct answer: 10 feet
All combustible debris must be cleared within a 10-foot radius of the hot work area before operations begin.
Question 7: If a construction site fire guard discovers that the sprinkler system has been impaired in the hot work area, what is the correct first action?
- Proceed with operations using extra caution
- Notify the site supervisor and halt torch operations until protection is restored (Correct answer)
- Use an additional fire extinguisher as a substitute
- Reduce the duration of the torch operation
Correct answer: Notify the site supervisor and halt torch operations until protection is restored
Torch operations must not proceed when automatic sprinkler protection is impaired; the supervisor must be notified and work halted.
F60 Construction Site Fire Safety 2
When torch operations are performed near combustible wall framing, what is the minimum clearance distance required before ignition begins?