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" means a written document that—
(a) identifies the confined space; and
(b) clearly describes the work to be carried out in the confined space; and
(c) sets out the risk management steps to be taken; and
(d) states the name of each person who may enter or work in the confined space; and
(e) states the date and time when each person may enter or be in the confined space to carry out the work.
"safe oxygen level"—see section 79.
"unsafe oxygen level"—see section 79.