Section 325.52906. Protection of personnel in confined spaces.  


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  • Rule 6. Work in confined spaces shall comply with all of the following:

    (a)   As used in this standard, confined space is intended to mean a relatively small or restricted space such as a tank, boiler, pressure vessel, or small compartment of a ship.

    (b)  Ventilation is a prerequisite to work in confined spaces. For ventilation requirements see R 325.52907 to R 325.52927 of this standard.

    (c)  Additional safety requirements for working in confined spaces are contained in General Industry Safety Standard Part 12 “Welding and Cutting,” as referenced in R 325.52902.

History: 2012 AACS; 2015 AACS.