Tag
NFPA 51B
2 OSHA and HazCom articles tagged "NFPA 51B" — practical, CFR-cited guidance verified against primary sources.
Construction
Is NFPA 51B Required by OSHA? What Construction Actually Incorporates
Everyone calls NFPA 51B 'the OSHA hot work standard.' It isn't one. 29 CFR 1926.6 — the list of standards OSHA construction adopts as law — names six NFPA documents, and 51B is not among them. The list, the citation, and what it changes on your permit.
Aug 26, 2026
8 min read
Construction
OSHA Hot Work Permit & Fire Watch: What 1926.352 Really Requires
OSHA's construction hot-work rule (29 CFR 1926.352) mandates a fire watch and fire-prevention controls, but the familiar 35-foot clearance and 60-minute watch come from NFPA 51B, not the CFR. What the law requires, a permit filled in end to end, and the fire watch by the clock.
Jul 21, 2026
8 min read