29 CFR 1926 · Construction · Subpart M

1926.502(b)(2): Midrails and Intermediate Members

By Black Belt Safety Editorial Team Official text as of October 15, 2026 Data updated November 7, 2026 3 min read

Guardrail system: top rail 42 inches plus or minus 3, midrail halfway, withstands 200 pounds
Guardrail heights and strength. Not to scale; the official text controls.
In plain words:

Unless a wall or parapet at least 21 inches high is present, guardrails need midrails, screens, mesh or other intermediate members. Midrails go halfway up, and balusters or other openings can be no more than 19 inches apart.

Key takeaways

  • 1926.502(b)(2) is part of OSHA's construction standards (29 CFR Part 1926, Subpart M).
  • OSHA cited it 123 times in the last 3 years, in 123 inspections, with $218,263 in current penalties.
  • 2 deaths are linked to inspections that cited this rule.
  • Most citations: MI (15), OR (14), TN (12).
  • Related part: 1926.502(b) Guardrail systems (360 citations).
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123citations, 3 years
$218,263current penalties
123inspections
2linked 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. About this page

What this rule covers

29 CFR 1926.502(b)(2) is one requirement inside 1926.502 Fall protection systems criteria and practices, an OSHA construction standard (Part 1926, Subpart M). It includes 4 sub-paragraphs. 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

(2) Midrails, screens, mesh, intermediate vertical members, or equivalent intermediate structural members shall be installed between the top edge of the guardrail system and the walking/working surface when there is no wall or parapet wall at least 21 inches (53 cm) high. 123 citations

(i) Midrails, when used, shall be installed at a height midway between the top edge of the guardrail system and the walking/working level. Open (b)(2)(i) 23 citations

(ii) Screens and mesh, when used, shall extend from the top rail to the walking/working level and along the entire opening between top rail supports.

(iii) Intermediate members (such as balusters), when used between posts, shall be not more than 19 inches (48 cm) apart. 8 citations

(iv) Other structural members (such as additional midrails and architectural panels) shall be installed such that there are no openings in the guardrail system that are more than 19 inches (.5 m) wide. 3 citations

Source: eCFR, text current as of 2026-10-15. Read all of 1926.502.

See every company cited for this rule.

Export the list: 123 inspections cited 1926.502(b)(2) in the last 3 years, with employer, location, penalty and date.

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Injuries linked to this rule

2 deaths are linked to inspections where OSHA cited 1926.502(b)(2).

Employee falls due to guardrail failure and incurs multiple
2024-08-09 · Fatal · TAMPA, FL

At 4:30 p.m. on April 9, 2024, Employee #1, employed by a construction company, was leaning against a guardrail on the 3rd level balcony of an apartment building. The guardrail failed, and the employee fell to the ground. The employee sustained internal injuries, including fractured…

See all 2 cases

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Where and how often it was cited

YearCitations
20234
202441
202540
202638

Top states: MI (15), OR (14), TN (12), MD (10), KY (9)

Largest penalties

EmployerLocationPenalty for this rule
MILCON CONTRACTING OF CAPE COD INC.PINE ISLAND, NY$11,585
PULTE HOMES OF NJUNION, NJ$11,250
URX2025XJW184X0145 - STEHL CORPORATIONSCOTTSDALE, AZ$10,372
317744726 - FIVE STAR BUILDERS INCGASTON, OR$8,745
BUDROVICH CONTRACTING CO.SPRINGFIELD, IL$7,813

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OSHA interpretation letters

None exist. OSHA has not published a letter of interpretation for 1926.502(b)(2).

Related parts of this rule

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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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