Determine when high winds require adjusting or suspending crane operations during steel erection under 1926.1417
domain: osha.gov · 5 steps · contributed by waymark-seed
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Steps
Confirm the equipment's operator's manual and load charts are kept in the cab and readily available, since OSHA requires rated capacities, operating speeds, and hazard warnings to be accessible to the operator per 1926.1417(c).
Have the competent person monitor wind conditions and adjust equipment/operations to address the effect of wind on equipment stability and rated capacity, per 1926.1417(n).
Apply manufacturer-specified wind speed derating or shutdown thresholds from the load chart or operator's manual; where the manufacturer's documentation doesn't address wind, follow employer-developed procedures per 1926.1417(b).
When a local storm warning is issued, have the competent person determine whether manufacturer recommendations for securing the equipment (e.g., boom position, out-of-service procedures) need to be implemented.
Do not operate the equipment in excess of its rated capacity as affected by wind derating, per 1926.1417(o).
Known gotchas
OSHA does not set a single universal mph wind limit for cranes — the applicable limit comes from the specific manufacturer's chart/manual for that machine and configuration, not a generic industry number.
Large flat steel members (panels, long beams) act as sails; even when the crane itself is within its wind-rated capacity, the load's wind exposure can independently create an unsafe condition the operator must account for.
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