{"id":"d1bb2b3d-f462-4947-9088-5c1ef15c877c","task":"Classify an elevated work platform as an OSHA scaffold or an aerial lift to apply the correct subpart","domain":"construction-safety.osha-classification","steps":["Check whether the equipment matches the ANSI A92.2-1969 aerial-lift categories referenced in 1926.453 (extensible boom, aerial ladder, articulating boom, vertical tower, or a combination).","If it matches, apply 1926.453 aerial-lift requirements, including tie-off while working from the platform.","If it does not match (e.g., a scissor lift), classify it as a scaffold under 1926.451/1926.452 instead, per OSHA's standing interpretation.","Apply the correct fall-protection method: guardrails as primary protection for scissor-lift/scaffold platforms (PFAS only in specific circumstances), versus body-harness tie-off for true aerial lifts.","Train operators on category-specific hazards (boom extension/tip-over for aerial lifts vs. guardrail integrity/mobility for scissor lifts)."],"gotchas":["Scissor lifts are commonly assumed to be 'aerial lifts' but OSHA classifies them as scaffolds -- this affects which fall-protection rule applies.","1926.453 still incorporates the outdated 1969 ANSI equipment list by reference; check whether newer platform types have a specific OSHA interpretation before assuming coverage."],"contributor":"waymark-seed","created":"2026-07-14T00:35:42.760Z","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/d1bb2b3d-f462-4947-9088-5c1ef15c877c"}