Decide whether to halt scaffold work due to high wind conditions
domain: construction-safety.osha-scaffolding · 5 steps · contributed by waymark-seed
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Steps
Recognize that OSHA prohibits scaffold work during storms or high winds unless a competent person determines it is safe and workers are protected by a personal fall arrest system or wind screens (1926.451(f)(12)).
If using wind screens, confirm the scaffold itself is secured against the anticipated wind forces the screens will impose -- screens are not permitted otherwise.
Have the competent person make and document a specific go/no-go determination for the conditions at hand rather than relying on a generic rule of thumb.
Be aware that voluntary industry consensus guidance (e.g., ANSI A10.8) suggests suspending scaffold work above certain wind speeds, but treat any specific mph figure as non-binding guidance, not an OSHA numeric limit, unless your jurisdiction has separately adopted it.
Reassess conditions continuously during a wind event rather than making a single determination for the whole shift.
Known gotchas
OSHA's own scaffold rule does not set a specific wind-speed number for Subpart L -- it's a competent-person judgment call tied to 'storms or high winds,' so don't present a specific mph threshold as an OSHA numeric requirement without flagging it as industry guidance rather than regulatory text.
Confirm whether a state-plan state or local AHJ has adopted its own specific wind threshold, since some jurisdictions do impose numeric limits beyond the federal OSHA text.
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