Comply with OSHA's structural steel assembly and metal decking hole/opening rules under 1926.754 during deck installation
domain: osha.gov · 5 steps · contributed by waymark-seed
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Steps
Deck over all roof and floor holes and openings as decking is installed; where size, configuration, or design prevents decking over (elevator shafts, stairwells), protect employees per 1926.760(a) instead.
When holes are cut into decking, immediately fill them with the intended equipment/structure or cover them — never leave a cut opening unprotected, even briefly.
Ensure covers can support, without failure, twice the weight of employees, equipment, and materials that may be imposed at any one time, and secure covers against displacement by wind, equipment, or employees, per 1926.754(e).
Mark or paint all covers with high-visibility paint or the word 'HOLE' or 'COVER' so the hazard is visible to other trades, per 1926.754(e).
For framed metal deck openings, confirm structural members are turned down to allow continuous deck installation unless structural design or constructibility prevents it.
Known gotchas
A cover that meets the load rating but isn't secured against displacement is still noncompliant — wind alone can shift an unsecured cover.
'Deck over' is the default rule; treating the 1926.760(a) hole-protection provisions as the primary method (instead of the fallback for non-deckable openings) misreads the standard's hierarchy.
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