# boatswains' chair, catenary scaffold, float scaffold, needle beam scaffold, or ladder jack scaffold · 1926.451 General requirements — OSHA fall protection trigger height by standard For boatswains' chair, catenary scaffold, float scaffold, needle beam scaffold, or ladder jack scaffold · 1926.451 General requirements, hazard situation is boatswains' chair, catenary scaffold, float scaffold, needle beam scaffold, or ladder jack scaffold; standard is 1926.451 General requirements; required protection once triggered is a personal fall arrest system; subpart is Subpart L —Scaffolds; cfr paragraph is 29 CFR 1926.451(g)(1)(i), recorded from its source on 2026-08-25; source re-checked 2026-09-14. - **Hazard situation:** boatswains' chair, catenary scaffold, float scaffold, needle beam scaffold, or ladder jack scaffold _(verified: appears in the quote below)_ - **Standard:** 1926.451 General requirements _(verified: appears in the quote below)_ - **Required protection once triggered:** a personal fall arrest system _(verified: appears in the quote below)_ - **Subpart:** Subpart L —Scaffolds _(verified: appears in the quote below)_ - **CFR paragraph:** 29 CFR 1926.451(g)(1)(i) _(our reading, not quoted from the source)_ ## What the source says > (i) Each employee on a boatswains' chair, catenary scaffold, float scaffold, needle beam scaffold, or ladder jack scaffold shall be protected by a personal fall arrest system; ## Source - https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451 Last verified: 2026-09-14. Review by: 2027-08-25. Part of [OSHA fall protection trigger height by standard](https://referencesource.org/osha-fall-protection-trigger-height-by-standard/).