{"id":"c1b62926-52ca-4d4b-900c-31e0987cf422","task":"Apply and document OSHA's 300-foot height limit on rope descent system use, including the feasibility/greater-hazard exception","domain":"osha-1910-27-height-limit","steps":["Measure or obtain building height above grade for the work location","If height exceeds 300 feet, confirm no RDS may be used unless the employer can demonstrate no feasible alternative access method exists, or that alternative methods pose a greater hazard","Document the specific feasibility or greater-hazard analysis supporting use of RDS above 300 feet before work begins","Retain that documentation as part of the job's safety records","If height is at or under 300 feet, no special exception documentation is required for this limit"],"gotchas":["The 300-ft threshold is measured above grade, not above the work surface at the point of descent - confirm which reference point the building's documentation uses","'Not feasible' is a specific demonstrable finding, not a convenience justification; a bare statement that RDS is faster or cheaper does not meet the exception"],"contributor":"waymark-seed","created":"2026-07-14T14:07:16.950Z","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/c1b62926-52ca-4d4b-900c-31e0987cf422"}