Canada Occupational Health and Safety Regulations (SOR/86-304)

Regulations are current to 2014-08-05 and last amended on 2014-05-29. Previous Versions

Provision and Use of Equipment

  •  (1) The employer shall provide

    • (a) each person who is granted access to a confined space with the protection equipment specified pursuant to paragraph 11.3(b); and

    • (b) each person who is to undertake rescue operations with the protection equipment and emergency equipment specified pursuant to paragraph 11.3(d).

  • (2) The employer shall ensure that every person who enters, exits or occupies a confined space follows the procedures established pursuant to paragraph 11.3(a) and uses the protection equipment specified pursuant to paragraphs 11.3(b) and (c).

  • SOR/92-544, s. 1;
  • SOR/95-286, s. 8.

Precaution

 No person shall close off a confined space until a qualified person has verified that no person is inside it.

  • SOR/92-544, s. 1.

Hot Work

  •  (1) Unless a qualified person has determined that the work can be performed safely, hot work shall not be performed in a confined space that contains

    • (a) an explosive or flammable hazardous substance in a concentration in excess of 10 per cent of its lower explosive limit; or

    • (b) oxygen in a concentration in excess of 23 per cent.

  • (2) Where hot work is to be performed in a confined space that contains concentrations of flammable or explosive materials in excess of the concentration set out in paragraph (1)(a) or (b),

    • (a) a qualified person shall patrol the area surrounding the confined space and maintain a fire-protection watch in that area until all fire hazard has passed; and

    • (b) fire extinguishers specified as emergency equipment pursuant to paragraph 11.3(d) shall be provided in the area referred to in paragraph (a).

  • (3) Where an airborne hazardous substance may be produced by hot work in a confined space, no person shall enter or occupy the confined space unless

    • (a) section 11.10 is complied with; or

    • (b) the person uses a respiratory protective device that meets the requirements of sections 12.2, 12.3 and 12.7.

  • SOR/92-544, s. 1;
  • SOR/95-286, s. 9;
  • SOR/2002-208, s. 43(F).

Ventilation Equipment

  •  (1) Where ventilation equipment is used to maintain the concentration of a chemical agent or combination of chemical agents in a confined space at or below the concentration referred to in subparagraph 11.4(1)(a)(i), or to maintain the percentage of oxygen in the air of a confined space within the limits referred to in subparagraph 11.4(1)(a)(iii), the employer shall not grant access to the confined space to any person unless

    • (a) the ventilation equipment is

      • (i) equipped with an alarm that will, if the equipment fails, be activated automatically and be audible or visible to every person in the confined space, or

      • (ii) monitored by an employee who is in constant attendance at the equipment and who is in communication with the person or persons in the confined space; and

    • (b) in the event of failure of the ventilation equipment, sufficient time will be available for the person to escape from the confined space before

      • (i) the concentration of the chemical agent or combination of chemical agents in the confined space exceeds the concentrations referred to in subparagraph 11.4(1)(a)(i), or

      • (ii) the percentage of oxygen in the air ceases to remain within the limits referred to in subparagraph 11.4(1)(a)(iii).

  • (2) If the ventilation equipment fails to operate properly, the employee referred to in subparagraph (1)(a)(ii) shall immediately inform the person or persons in the confined space of the failure of the equipment.

  • SOR/92-544, s. 1.