Construction sites are vulnerable to fire. A simple plan reduces the risk.
In this article
- Fires on construction sites are common and costly
- OSHA requirements
- Fire extinguishers
- Hot work control
- Temporary heaters
- Fuel and flammables
- Remove combustible waste
- Fire department access
- After hours
- Smoking areas
- Common mistakes
- An end-of-day check
- Where to start
- Frequently asked questions
- Frequently asked questions
Fires on construction sites are common and costly
Hot work, temporary heaters, fuel storage and piles of combustible scrap make construction sites vulnerable to fire, especially wood-frame buildings before sprinklers are active. A simple fire prevention plan reduces the risk.
OSHA requirements
OSHA construction rules on fire protection and prevention (29 CFR 1926 Subpart F) cover extinguishers, flammable liquids and other measures. Know what applies to your site.
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Fire extinguishers
Place extinguishers where required, keep them inspected and teach crews how to use them.
Hot work control
Use hot work permits and fire watch for welding, cutting and torch work.
Temporary heaters
Keep heaters away from combustibles, ventilate them and never leave them unattended without approval.
Fuel and flammables
Store fuel in approved containers in designated areas, away from ignition sources.
Remove combustible waste
Scrap wood, packaging and oily rags must be removed regularly.
Fire department access
Keep access roads and hydrants clear.
After hours
Many fires start at night. Check for hot spots, heaters and chargers before leaving.
Smoking areas
Designate smoking areas away from material and fuel.
Common mistakes
Expired extinguishers, heaters next to plastic wrap and battery chargers left running overnight in piles of debris.
An end-of-day check
The last person on site walks the building: heaters off or checked, chargers unplugged, hot work areas inspected, fuel stored and exits clear. A short checklist on the trailer door makes it routine.
Where to start
Write a one-page fire prevention plan for each site: extinguisher locations, hot work rules, heater rules, fuel storage and the end-of-day check. Post it in the trailer and review it at the first toolbox talk of every project.
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Frequently asked questions
What OSHA rules cover fire prevention in construction?
OSHA's construction rules on fire protection and prevention, 29 CFR 1926 Subpart F, cover extinguishers, flammable liquids and related measures.