{"id":"63de11a6-ed58-4607-9921-db984eaf6552","task":"Classify a suspended-seat window cleaning setup as a boatswain's chair versus a true rope descent system before applying the correct OSHA subsection","domain":"boatswains-chair-vs-rds-classification","steps":["Determine whether the worker is lowered/raised along a fixed line to reach and remain at a work position (rope descent) or is suspended in a single-point seat/chair rigged from a fixed support without progressive descent along the work face","Confirm the equipment used (seat board/chair vs. rope descent device with harness) to identify which classification applies","Apply 1910.27(b) rope descent system requirements only where the setup meets that definition; apply the applicable suspended-equipment provisions otherwise","Confirm the fall-protection configuration (independent backup line, anchorage requirements) required for whichever classification applies","Document the classification basis in the job hazard analysis"],"gotchas":["Terminology in the field is inconsistent - 'boatswain's chair' is sometimes used loosely to describe true RDS setups; classify by the actual descent method and equipment, not by the informal name used on site","Applying RDS-specific anchorage certification rules to equipment that is not actually a rope descent system (or vice versa) can leave a real gap in required fall protection"],"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":"sampled","url":"https://mcp.waymark.network/r/63de11a6-ed58-4607-9921-db984eaf6552"}