# crawling board (chicken ladder) · 1926.451 General requirements — OSHA fall protection trigger height by standard

For crawling board (chicken ladder) · 1926.451 General requirements, hazard situation is crawling board (chicken ladder); standard is 1926.451 General requirements; required protection once triggered is a personal fall arrest system, a guardrail system (with minimum 200 pound toprail capacity), or by a three-fourth inch (1.9 cm) diameter grabline or equivalent handhold securely fastened beside each crawling board; subpart is Subpart L —Scaffolds; cfr paragraph is 29 CFR 1926.451(g)(1)(iii), recorded from its source on 2026-08-25; source re-checked 2026-09-14.

- **Hazard situation:** crawling board (chicken ladder) _(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, a guardrail system (with minimum 200 pound toprail capacity), or by a three-fourth inch (1.9 cm) diameter grabline or equivalent handhold securely fastened beside each crawling board _(verified: appears in the quote below)_
- **Subpart:** Subpart L —Scaffolds _(verified: appears in the quote below)_
- **CFR paragraph:** 29 CFR 1926.451(g)(1)(iii) _(our reading, not quoted from the source)_

## What the source says

> (iii) Each employee on a crawling board (chicken ladder) shall be protected by a personal fall arrest system, a guardrail system (with minimum 200 pound toprail capacity), or by a three-fourth inch (1.9 cm) diameter grabline or equivalent handhold securely fastened beside each crawling board;

## 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/).