1926.451(g)(4)(i): Scaffold Guardrails on Open Sides
Guardrail systems must be installed along all open sides and ends of scaffold platforms. The guardrails must be in place before the scaffold is released for use by anyone other than the erection or dismantling crew.
Key takeaways
- 1926.451(g)(4)(i) is part of OSHA's construction standards (29 CFR Part 1926, Subpart L).
- OSHA cited it 392 times in the last 3 years, in 392 inspections, with $1,631,106 in current penalties.
- 1 death is linked to inspections that cited this rule.
- Most citations: NJ (56), VA (32), TX (30).
- Related part: 1926.451(g) Fall protection (2,806 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1926.451(g)(4)(i) is one requirement inside 1926.451 General requirements, an OSHA construction standard (Part 1926, Subpart L). The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.
Official text
(i) Guardrail systems shall be installed along all open sides and ends of platforms. Guardrail systems shall be installed before the scaffold is released for use by employees other than erection/dismantling crews. 392 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1926.451.
Injuries linked to this rule
1 death is linked to inspections where OSHA cited 1926.451(g)(4)(i).
At 11:00 a.m. on February 2, 2024, an employee working as a construction laborerfor a masonry contractor was working from a Werner pump jack scaffold installingExterior Insulation and Finish Systems (EIFS). The employee was not wearing fallprotection when he fell 42 feet to the ground.
Where and how often it was cited
| Year | Citations |
|---|---|
| 2023 | 18 |
| 2024 | 125 |
| 2025 | 138 |
| 2026 | 111 |
Top states: NJ (56), VA (32), TX (30), PA (28), NC (18)
Largest penalties
| Employer | Location | Penalty for this rule |
|---|---|---|
| THOMAS BUILDERS OF VIRGINIA, INC. | ROANOKE, VA | $162,849 |
| THOMAS BUILDERS OF VIRGINIA, INC. | ROANOKE, VA | $153,742 |
| THOMAS BUILDERS OF VIRGINIA, INC. | DALEVILLE, VA | $153,740 |
| DIRECT BUILDER'S TRADE, INC. | BERLIN, NJ | $29,790 |
| REMCO, INC | ASTON, PA | $16,550 |
Free toolbox talk
A 5-minute crew talk on 1926.451(g)(4)(i), plus alerts when this rule changes. Free.
OSHA interpretation letters
- Regarding guardrail systems and fall protection requirements to scaffold systems, including form scaffolds. (2018-04-16)
- Re: Subpart L; scaffolds; Companion Rail, rail extensions for mobile scaffolds; 1926.451. (2007-01-26)
- Guardrail requirements for two point suspension scaffolds. (2006-09-14)
- Fall protection requirements for workers constructing a water tower while on a scaffold. (2005-04-05)
- Exemptions for installation of guardrails on wall (interior) side. (2001-12-11)
Related parts of this rule
- 1926.451(g) Fall protection 2,806 citations
- 1926.451(g)(1) 2,210 citations
- 1926.451(g)(1)(vii) 671 citations
- 1926.451(g)(4) 516 citations
- 1926.451(g)(1)(i) 149 citations
- 1926.451(g)(1)(vi) 65 citations
- 1926.451(g)(2) 46 citations
- 1926.451(g)(3) 33 citations
- 1926.451(g)(4)(iv) 32 citations
- 1926.451(g)(4)(iii) 21 citations
- 1926.451(g)(3)(i) 20 citations
- 1926.451(g)(4)(xv) 16 citations
Get your crew competent
Trainers on Black Belt Safety: Marc Harvey, Dana Reyes
Trainers and suppliers: feature your business on this rule for $25/month.
Frequently asked questions
Where must scaffold guardrails go?
Along all open sides and ends of platforms.
When must guardrails be installed?
Before the scaffold is released for use by employees other than erection/dismantling crews.
Does the erection crew need guardrails first?
This paragraph requires guardrails before release to employees other than erection and dismantling crews.
About this page
Sources
- 29 CFR 1926.451 (eCFR), text current as of 2026-10-15
- U.S. Department of Labor enforcement data: OSHA inspections, citations and accident records, copied nightly; data as of 2026-10-20
3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.