29 CFR 1926 · Construction · Subpart S

1926.803(m): Bulkheads and safety screens

By Black Belt Safety Editorial Team Official text as of octubre 15, 2026 3 min read

Key takeaways

  • 1926.803(m) is part of OSHA's construction standards (29 CFR Part 1926, Subpart S).
  • Related part: 1926.803(m)(3).
  • Free 5-minute toolbox talk for your crew below.
In this article
  1. What this rule covers
  2. Official text
  3. Free toolbox talk
  4. OSHA interpretation letters
  5. Related parts of this rule
  6. Get your crew competent
  7. About this page

What this rule covers

29 CFR 1926.803(m) ("Bulkheads and safety screens") is one requirement inside 1926.803 Compressed air, an OSHA construction standard (Part 1926, Subpart S). It includes 3 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

(m) Bulkheads and safety screens.

(1) Intermediate bulkheads with locks, or intermediate safety screens or both, are required where there is the danger of rapid flooding.

(2) In tunnels 16 feet or more in diameter, hanging walkways shall be provided from the face to the man lock as high in the tunnel as practicable, with at least 6 feet of head room. Walkways shall be constructed of noncombustible material. Standard railings shall be securely installed throughout the length of all walkways on open sides in accordance with subpart M of this part. Where walkways are ramped under safety screens, the walkway surface shall be skidproofed by cleats or by equivalent means.

(3) Bulkheads used to contain compressed air shall be tested, where practicable, to prove their ability to resist the highest air pressure which may be expected to be used. Open (m)(3)

[44 FR 8577, Feb. 9, 1979; 44 FR 20940, Apr. 6, 1979, as amended at 47 FR 14696, 14706, Apr. 6, 1982; 51 FR 25318, July 11, 1986; 61 FR 5510, Feb. 13, 1996]

Source: eCFR, text current as of 2026-10-15. Read all of 1926.803.

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OSHA interpretation letters

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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

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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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