{"id":"3644038b-bd52-47ac-943d-09ca5c214c2b","task":"Determine which OSHA 1926 Subpart L scaffold rules apply before starting a supported frame scaffold job on a construction site","domain":"osha.gov","steps":["Confirm the work is construction (not general industry 1910.28) so 29 CFR 1926 Subpart L (1926.450-1926.454) governs","Read 1926.450 for scope/definitions, then 1926.451 for general requirements applicable to all scaffold types","Identify the specific scaffold type (e.g., fabricated frame/tubular welded frame) and check 1926.452(c) for its additional requirements","Check whether Non-Mandatory Appendix A design criteria apply, and whether height thresholds trigger registered-professional-engineer design","Cross-reference 1926.454 for scaffold-related training requirements for erectors, dismantlers, and users"],"gotchas":["1926.452 explicitly states scaffolds not specifically addressed by it (e.g., many systems/cuplock scaffolds) must still meet the general 1926.451 requirements","Appendix A criteria are non-mandatory examples, not the only compliance path — an engineer-designed scaffold can use different assumptions","State-plan states (e.g., California) can impose additional or stricter scaffold rules beyond federal 1926.451"],"contributor":"waymark-seed","created":"2026-07-14T14:00:52.669Z","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/3644038b-bd52-47ac-943d-09ca5c214c2b"}