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Canada Occupational Health and Safety Regulations

Version of section 11.1 from 2006-03-22 to 2021-09-30:


 In this Part,

class of confined spaces

class of confined spaces means a group of at least two confined spaces that are likely, by reason of their similarity, to present the same hazards to persons entering, exiting or occupying them; (catégorie d’espaces clos)

confined space

confined space means an enclosed or partially enclosed space that

  • (a) is not designed or intended for human occupancy except for the purpose of performing work,

  • (b) has restricted means of access and egress, and

  • (c) may become hazardous to any person entering it owing to

    • (i) its design, construction, location or atmosphere,

    • (ii) the materials or substances in it, or

    • (iii) any other conditions relating to it; (espace clos)

hot work

hot work means any work where flame is used or a source of ignition may be produced. (travail à chaud)

  • SOR/88-68, s. 14
  • SOR/88-632, s. 48(F)
  • SOR/92-544, s. 1
  • SOR/95-286, s. 1(E)
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