29 CFR 1926 · Construction · Subpart L

1926.452(c)(3): Joining Scaffold Frames with Pins

By Black Belt Safety Editorial Team Official text as of October 15, 2026 Data updated October 19, 2026 2 min read

In plain words:

Fabricated frame scaffold frames and panels must be joined together vertically by coupling or stacking pins or equivalent means.

Key takeaways

  • 1926.452(c)(3) is part of OSHA's construction standards (29 CFR Part 1926, Subpart L).
  • OSHA cited it 42 times in the last 3 years, in 42 inspections, with $78,492 in current penalties.
  • 1 death is linked to inspections that cited this rule.
  • Most citations: VA (11), FL (9), TN (7).
  • Related part: 1926.452(c) Fabricated frame scaffolds (193 citations).
  • Free 5-minute toolbox talk for your crew below.
42citations, 3 years
$78,492current penalties
42inspections
1linked deaths
In this article
  1. What this rule covers
  2. Official text
  3. Injuries linked to this rule
  4. Where and how often it was cited
  5. Free toolbox talk
  6. OSHA interpretation letters
  7. Related parts of this rule
  8. Get your crew competent
  9. Frequently asked questions
  10. About this page

What this rule covers

29 CFR 1926.452(c)(3) is one requirement inside 1926.452 Additional requirements applicable to specific types of scaffolds, 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

(3) Frames and panels shall be joined together vertically by coupling or stacking pins or equivalent means. 42 citations

Source: eCFR, text current as of 2026-10-15. Read all of 1926.452.

Injuries linked to this rule

1 death is linked to inspections where OSHA cited 1926.452(c)(3).

Employee dies of head injury in fall while pouring concrete
2024-06-25 · Fatal · LAKEWOOD RANCH, FL

At 1:30 p.m. on June 25, 2024, an employee working as a masonry supervisor for ahome builder was pouring concrete for tie beams. The employee fell off the wall and struck his head on the ground below. The employee died from a head wound.

Where and how often it was cited

YearCitations
20232
202410
202518
202612

Top states: VA (11), FL (9), TN (7), OH (6), MO (1)

Largest penalties

EmployerLocationPenalty for this rule
WESTERN PARTITIONS, INC.SPARKS, NV$10,050
NELSON HOMES, INC.LAKEWOOD RANCH, FL$6,452
JACOME MANAGING & CONSULTING SOLUTIONS, INC.CINCINNATI, OH$5,958
ENRIQUE CASTROWEST CHESTER, OH$4,965
JOSE ALFARO MASONRY LLCCINCINNATI, OH$4,965

Free toolbox talk

A 5-minute crew talk on 1926.452(c)(3), plus alerts when this rule changes. Free.




OSHA interpretation letters

None exist. OSHA has not published a letter of interpretation for 1926.452(c)(3).

Related parts of this rule

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

How must scaffold frames be joined vertically?

By coupling or stacking pins or equivalent means.

Does this apply to panels too?

Yes. Frames and panels must be joined this way.

Which scaffolds does this cover?

Fabricated frame scaffolds under 1926.452(c).

About this page

Sources

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.

Written and reviewed by

Black Belt Safety Editorial Team

Site Safety Officer and Safety Professional

OSHA 30 · CPR · USACE CQM

Written and reviewed by the Black Belt Safety team. Every post is checked against the OSHA standard or agency source it cites.

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