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Part 9 Confined Spaces
General Requirements
9.2 Initial determination
The employer must
(a) ensure that each confined space in the workplace is identified, and
(b) determine whether any such space will require entry by a worker, either in scheduled work activities or as a result of foreseeable system failures or other emergencies.
9.3 Prohibited entry
If a confined space exists at a workplace but no worker entry is required, the employer must ensure that each point of access to the confined space is secured against entry or identified by a sign or other effective means which indicates the nature of the hazard and the prohibition of entry, and that workers are instructed not to enter.
9.4 Control of hazards
The employer must ensure that all confined space hazards are eliminated or minimized and that work is performed in a safe manner.
9.5 Confined space entry program
Before a worker is required or permitted to enter a confined space, the employer must prepare and implement a written confined space entry program which includes
(a) an assignment of responsibilities,
(b) a list of each confined space or group of similar spaces and a hazard assessment of those spaces, and
(c) written safe work procedures for entry into and work in the confined space, that address, where applicable
(i) identification and entry permits,
(ii) lockout and isolation,
(iii) verification and testing,
(iv) cleaning, purging, venting or inerting,
(v) ventilation,
(vi) standby persons,
(vii) rescue,
(viii) lifelines, harnesses and lifting equipment,
(ix) personal protective equipment and other precautions, and
(x) coordination of work activities.
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