“This rule will save lives of construction workers. Unlike most general industry worksites, construction sites are continually evolving, with the number and characteristics of confined spaces changing as work progresses. This rule emphasizes training, continuous worksite evaluation and communication requirements to further protect workers’ safety and health.”

— Assistant Secretary of Labor for Occupational Safety and Health, Dr. David Michaels

This standard will be effective August 3, 2015 – OSHA

INFORMATION SOURCE: OSHA, U.S. DEPARTMENT OF LABOR – MAY 18, 2015: Confined spaces – such as manholes, crawl spaces, and tanks – are not designed for continuous occupancy and are difficult to exit in the event of an emergency. People working in confined spaces face life-threatening hazards including toxic substances, electrocutions, explosions, and asphyxiation.

This webpage contains information on the new regulation, compliance assistance documents, and other resources OSHA has to help employers and workers understand the rule. OSHA will continue to publish new guidance products in the coming months, and will post them here.

Construction workers often perform tasks in confined spaces – work areas that (1) are large enough for an employee to enter, (2) have limited means of entry or exit, and (3) are not designed for continuous occupancy. These spaces can present physical and atmospheric hazards that can be prevented if addressed prior to entering the space to perform work. This page is a starting point for finding information about these spaces, the hazards they may present, and ways to safely work in them.

Standard

Compliance Assistance Materials

Federal Register Notices

Additional Information

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*Accessibility Assistance: Contact OSHA’s Directorate of Construction at (202) 693-2020 for assistance accessing PDF materials.

All other documents, that are not PDF materials or formatted for the web, are available as Microsoft Office® formats and videos and are noted accordingly. If additional assistance is needed with reading, reviewing or accessing these documents or any figures and illustrations, please also contact OSHA’s Directorate of Construction at (202) 693-2020.

**eBooks – EPUB is the most common format for e-Books. If you use a Sony Reader, a Nook, or an iPad you can download the EPUB file format. If you use a Kindle, you can download the MOBI file format.