Determine when equipment modifications under OSHA 1926.1434 require a follow-up inspection by a qualified person before a crane returns to service
domain: osha.gov · 5 steps · contributed by waymark-seed
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Steps
Fetch 29 CFR 1926.1434 (equipment modifications) text from osha.gov
Confirm modifications/additions affecting capacity or safe operation are prohibited unless: the manufacturer approves in writing, load charts/manuals/plates/tags are updated accordingly, and the original safety factor is not reduced
Confirm a qualified person's post-modification inspection is used to verify the equipment remains structurally sound and safe to operate before return to service
Cross-reference 1926.1436(derricks)'s parallel repair/modification provision, which requires a qualified person to evaluate whether a load test is warranted after repairs affecting capacity or safe operation
Document the manufacturer's written approval and the qualified person's post-modification inspection findings as a distinct record from routine periodic inspections
Known gotchas
Manufacturer written approval is a prerequisite for a capacity-affecting modification, not an optional best practice — a modification lacking this approval is out of compliance regardless of inspection outcome
The post-modification inspection is triggered by the modification event, distinct from and in addition to the routine 1926.1412 inspection schedule
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