# self-contained adjustable scaffold · 1926.451 General requirements — OSHA fall protection trigger height by standard For self-contained adjustable scaffold · 1926.451 General requirements, hazard situation is self-contained adjustable scaffold; standard is 1926.451 General requirements; required protection once triggered is a guardrail system (with minimum 200 pound toprail capacity) when the platform is supported by the frame structure, and by both a personal fall arrest system and a guardrail system (with minimum 200 pound toprail capacity) when the platform is supported by ropes; subpart is Subpart L —Scaffolds; cfr paragraph is 29 CFR 1926.451(g)(1)(iv), recorded from its source on 2026-08-25; source re-checked 2026-09-14. - **Hazard situation:** self-contained adjustable scaffold _(verified: appears in the quote below)_ - **Standard:** 1926.451 General requirements _(verified: appears in the quote below)_ - **Required protection once triggered:** a guardrail system (with minimum 200 pound toprail capacity) when the platform is supported by the frame structure, and by both a personal fall arrest system and a guardrail system (with minimum 200 pound toprail capacity) when the platform is supported by ropes _(verified: appears in the quote below)_ - **Subpart:** Subpart L —Scaffolds _(verified: appears in the quote below)_ - **CFR paragraph:** 29 CFR 1926.451(g)(1)(iv) _(our reading, not quoted from the source)_ ## What the source says > (iv) Each employee on a self-contained adjustable scaffold shall be protected by a guardrail system (with minimum 200 pound toprail capacity) when the platform is supported by the frame structure, and by both a personal fall arrest system and a guardrail system (with minimum 200 pound toprail capacity) when the platform is supported by ropes; ## 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/).