A construction site has multiple buildings under construction. What is the maximum distance between fire extinguishers for Class A (ordinary combustibles) fires?
Correct Answer
A) 75 feet
OSHA requires that Class A fire extinguishers be distributed so that the travel distance to reach an extinguisher does not exceed 75 feet. This ensures quick access in case of fire emergency.
Why This Is the Correct Answer
OSHA Standard 29 CFR 1926.150(c)(1)(i) specifically requires that Class A fire extinguishers be distributed so that the maximum travel distance to reach any extinguisher does not exceed 75 feet. This regulation applies to construction sites and ensures that workers can quickly access fire suppression equipment when dealing with ordinary combustible materials like wood, paper, and fabric. The 75-foot maximum travel distance is a critical safety requirement that balances practical placement with emergency response time needs.
Why the Other Options Are Wrong
Option C: 50 feet
50 feet is too restrictive and would require more extinguishers than OSHA mandates, creating unnecessary cost without proportional safety benefit.
Option D: 150 feet
100 feet exceeds OSHA's maximum travel distance requirement and would create dangerous delays in accessing fire suppression equipment during emergencies.
Memory Technique
Remember 'A-75': Class A fires = 75 feet maximum travel distance. You can also think '3/4 of 100' since 75 is three-quarters of 100.
Reference Hint
OSHA Construction Standards 29 CFR 1926.150 - Fire Protection, specifically subsection (c)(1)(i) for Class A extinguisher distribution requirements
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