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Confined Space Attendant Requirements

KNOW THE LAWS OF YOUR PROVINCE

Under the OHS law, a confined space attendant is required:

JURIS.

LAW

FED When conditions in a confined space or the nature of the work to be performed in a confined space is such that the specifications in Sec. 11.4(1)(a) can’t be complied with during all times that a person is in the confined space [Sec. 11.5(1)(c)]. Canada OHS Regs.
AB 1) If the oxygen content of the atmosphere inside the confined space is less than 19.5% by volume or greater than 23% by volume;

2) If the concentration of a substance listed in Schedule 1, Table 2 inside the confined space is greater than 50% of its OEL; or

3) If a hazard other than one of the above is identified in the hazard assessment and the hazard can’t be eliminated or controlled [Sec. 56(3)].

OHS Code 2009
BC 1) If a worker enters a confined space that contains a low hazard atmosphere [Sec. 9.34];

2) If a worker enters a confined space that contains a moderate hazard atmosphere [Sec. 9.35]; or

3) If a worker enters a confined space that contains a high hazard atmosphere, risk of engulfment or entrapment or any other recognized serious health or safety hazard [Sec. 9.36].

OHS Reg.
MB For every confined space [Sec. 15.8(1)(a)]. Workplace Health and Safety Reg.
NB 1) When a competent person is unable to ensure that the specified concentration of airborne chemical agents or dust, level of physical agents or percentage of oxygen can be maintained in the confined space; or

2) When there’s a possibility that one of the above hazards may occur while a worker is in the confined space [Sec. 266(b)].

OHS Regs.
NL When a worker is required to enter a confined space [Sec. 513(3)]. OHS Regs. 2012
NT/NU When a worker enters a confined space in which the atmosphere:

1) contains contaminants; or

2) has an oxygen content of less than 18% by volume under normal atmospheric pressure [Sec. 36(6)(d)].

General Safety Regs.
NS When a person enters a confined space [Sec. 134(2)]. Occupational Safety General Regs.
ON Whenever a worker is to enter a confined space [Sec. 15(1)]. Confined Spaces Reg.
PE When a worker enters a confined space [Sec. 13.5]. OHS General Regs.
QC When a worker is present in an “enclosed area” [Sec. 308]. Regulation respecting Occupational Health and Safety
SK When a worker is in a hazardous confined space [Sec. 274(4)]. OHS Regs.
YT 1) When a worker enters a confined space with a low or moderate atmosphere [Sec. 2.28(1)]; or

2) When a worker enters a confined space with a high hazard atmosphere, a risk of engulfment or entrapment or any other recognized serious health or safety hazard [Sec. 2.29(1)].

OHS Regs.