{"id":"ecad0afe-914d-4af6-8d95-55f74d62e14c","task":"Operate a mobile (Baker-type) scaffold safely under OSHA 1926.452(w)","domain":"construction-safety.osha-scaffolding","steps":["Lock all casters/wheels with positive wheel and/or wheel-and-swivel locks whenever the scaffold is used in a stationary position.","Confirm caster and wheel stems are pinned or otherwise secured in the scaffold legs/adjustment screws.","Only move a scaffold with employees on it if the work surface is level, the height-to-base-width ratio is 2:1 or less, and outrigger frames (if used) are deployed on both sides.","Do not move the scaffold by dismounting employees onto a non-level or obstructed surface without first checking the path.","Re-lock casters immediately after repositioning, before anyone remounts."],"gotchas":["Employees are sometimes moved on the scaffold without confirming the 2:1 height-to-base ratio first -- exceeding it while occupied is a tip-over risk the rule specifically targets.","'Locked' caster/wheel locks must be positive locks (not just friction/parking brakes) -- confirm the specific hardware meets that standard."],"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":"verified","url":"https://mcp.waymark.network/r/ecad0afe-914d-4af6-8d95-55f74d62e14c"}