Confined Spaces

Standards

Visit the Confined Spaces in Construction Page for information specific to construction.

Confined spaces are addressed in specific OSHA standards for general industry, maritime, and construction. This section highlights OSHA standards and documents related to confined spaces.

OSHA Standards

General Industry (29 CFR 1910)
General Industry (29 CFR 1910)		Related Information
1910 Subpart H - Hazardous Materials		Related Information
1910 Subpart H - Hazardous Materials	1910.124, General requirements for dipping and coating operations.	Related Information
1910 Subpart J - General Environmental Controls
1910 Subpart J - General Environmental Controls	1910.146, Permit-required confined spaces.	Related Information
1910 Subpart Q - Welding, Cutting and Brazing
1910 Subpart Q - Welding, Cutting and Brazing	1910.252, General requirements.	Related Information
1910 Subpart R - Special Industries
	1910.261, Pulp, paper, and paperboard mills.	Related Information
	1910.268, Telecommunications.	Related Information
	1910.272, Grain handling facilities.	Related Information

Maritime (29 CFR 1915, 1917, 1918)
Maritime (29 CFR 1915, 1917, 1918)		Related Information
1915 Subpart B - Confined and Enclosed Spaces and Other Dangerous Atmospheres in Shipyard Employment		Related Information
	1915.11, Scope, application, and definitions applicable to this subpart.	Related Information
	1915.12, Precautions and the order of testing before entering confined and enclosed spaces and other dangerous atmospheres.	Related Information
	1915.13, Cleaning and other cold work.	Related Information
	1915.14, Hot Work.	Related Information
	1915.15, Maintenance of safe conditions.	Related Information
	1915.16, Warning signs and labels.	Related Information

State Plan Standards

There are 29 OSHA-approved State Plans operating state-wide occupational safety and health programs. State Plans are required to have standards and enforcement programs that are at least as effective as OSHA's and may have different or more stringent requirements.

Additional Directives

Note: The directives in this list provide additional information that is not necessarily connected to a specific OSHA standard highlighted on this Safety and Health Topics page.

29 CFR Part 1915, Subpart B, Confined and Enclosed Spaces and Other Dangerous Atmospheres in Shipyard Employment. CPL 02-01-061, (May 22, 2019).

Note: These are NOT OSHA regulations. However, they do provide guidance from their originating organizations related to worker protection.

American National Standards Institute (ANSI)/American Society of Safety Engineers (ASSE)

Z117.1, Safety Requirements for Confined Spaces