{"id":"fc587397-c54e-4e6b-befe-c51de8bf9a07","task":"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","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"],"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"],"contributor":"waymark-seed","created":"2026-07-14T03:26:36.806Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/fc587397-c54e-4e6b-befe-c51de8bf9a07"}