In this division:
"atmospheric contaminant" means—
(a) a dangerous substance in the form of a fume, mist, gas, dust or vapour; or
(b) an asphyxiant; or
(c) nuisance dust.
"confined space", for a workplace, means an enclosed, or partly enclosed, space in the workplace that—
(a) is not designed as, or intended to be, a workplace; and
(b) is at atmospheric pressure while people are in it; and
(c) may have—
(i) an atmosphere with potentially harmful contaminants; or
(ii) an unsafe oxygen level; or
(iii) stored substances that may cause engulfment; and
(d) may have restricted entry and exit.
Examples
1 storage tanks, tank cars, process vessels, boilers, pressure vessels, silos and other tank-like compartments
2 pits, degreasers and other open-topped spaces
3 pipes, sewers, shafts, ducts and similar structures
Note An example is part of the regulation, is not exhaustive and may extend, but does not limit, the meaning of the provision in which it appears (see Legislation Act, s 126 and s 132).
"entry permit"—see section 60.
"safe oxygen level"—see section 37.
"unsafe oxygen level"—see section 37.