What is a confined space…
- Is not designed or intended primarily to be occupied or entered by a person.
- Has a restricted means of entry and exit.
- Is, or is designed or intended to be, at normal atmospheric pressure while any person is in the space.
- Presents a risk to health and safety from:
- An atmosphere that does not have a safe oxygen level.
- Contaminants, including airborne gases, vapours and dusts, that may cause injury from fire or explosion.
- Harmful concentrations of any airborne contaminants.
Confined spaces may include:
- Culverts and storm water systems.
- Pipes and live or inactive sewer mains.
- Shafts, ducts and access chambers.
- Pits, trenches and gullies.
- Environmental traps and tanks.
