Fire Prevention and Protection in Construction Flashcards
7 cards from real STSC practice questions. Tap to flip, then mark Knew It or Still Learning โ missed cards come back until you master them.
Read the first 7 Fire Prevention and Protection in Construction flashcards as text
Under OSHA 29 CFR 1926.150, what is the maximum travel distance from any point in a building to a fire extinguisher for a Class B hazard?
Answer: 50 feet
OSHA requires fire extinguishers for Class B hazards to be located no more than 50 feet from the hazard.
When welding near combustible materials on a construction site, the hot work permit system requires a fire watch to remain on duty for how long after welding operations cease?
Answer: 30 minutes
OSHA and NFPA standards require a fire watch to continue for at least 30 minutes after hot work ends to detect smoldering fires.
A construction site stores 75 gallons of flammable liquid in a storage room. According to OSHA, this room must have a fire-resistance rating of at least:
Answer: 2 hours
OSHA 1926.152 requires flammable liquid storage rooms to have a minimum 2-hour fire-resistance rating when storing more than 60 gallons.
Which suppression agent is most appropriate for a Class K fire involving cooking oils in a construction site temporary kitchen?
Answer: Wet chemical agent
Wet chemical agents are specifically designed for Class K fires involving high-temperature cooking oils and fats.
During demolition of an existing structure, the supervisor discovers unknown pipe insulation that may be asbestos. What is the FIRST action regarding fire protection?
Answer: Stop work and assess whether the material could become friable from fire or cutting
Fire or cutting of asbestos-containing materials can release fibers; work must stop to evaluate and comply with NESHAP and OSHA asbestos standards before resuming.
What is the primary purpose of a fire prevention plan required by OSHA 1926.150 on construction sites?
Answer: To identify and control fire hazards before they cause a fire
A fire prevention plan focuses on proactively identifying and eliminating or controlling fire hazards before ignition can occur.
Temporary heating equipment on a construction site must maintain a minimum clearance of how many inches from combustible materials per OSHA standards?
Answer: 18 inches
OSHA 1926.154 requires temporary heating devices to be positioned at least 18 inches from combustible materials to prevent ignition.