Work Health and Safety (Mines and Petroleum Sites) Regulation 2022
81Use of plant in hazardous zone—explosion-protection required
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81 Use of plant in hazardous zone—explosion-protection required
81 Use of plant in hazardous zone—explosion-protection required
(1) The mine operator of an underground coal mine must ensure plant used in a hazardous zone—
(a) is explosion-protected, and
(b) if the plant is electrical plant, has an explosion-protection level suitable for use in a hazardous zone.
Maximum penalty—
(a) for an individual—60 penalty units, or
(b) for a body corporate—300 penalty units.
(2) For subsection (1)(b), electrical plant has an explosion-protection level suitable for use in a hazardous zone at a coal mine if—
(a) it has a valid certificate of conformity or is Departmental approved plant, and
(b) it meets at least 1 of the following requirements—
(i) intrinsically safe category ‘Ex ia’, as defined in Australian and New Zealand Standard AS/NZS 60079.11:2011Explosive atmospheres—Part 11: Equipment protection by intrinsic safety ‘i’,
(ii) encapsulated level of protection ‘Ex ma’, as defined in Australian and New Zealand Standard AS/NZS 60079.18:2016Explosive atmospheres—Part 18: Equipment protection by encapsulation ‘m’,
(iii) special protection ‘Ex s’ (Zone 0), as defined in Australian and New Zealand Standard AS/NZS 1826(Int):2006Electrical equipment for explosive gas atmospheres—Special protection—Type of protection ‘s’,
(iv) special protection ‘Ex sa’, as defined in Australian and New Zealand Standard AS/NZS 60079.33:2012Explosive atmospheres—Part 33: Equipment protection by special protection ‘s’,
(v) for gas detectors and monitors using catalytic sensors—level of protection ‘Ex da’, as defined in Australian and New Zealand Standard AS/NZS 60079.1:2015Explosive atmospheres—Part 1: Equipment protection by flameproof enclosures ‘d’,
(vi) for caplights, but only if the concentration of methane in the general body of the air in the hazardous zone is less than 2% by volume—conformity with—
(A) Australian and New Zealand Standard AS/NZS 60079.35.1:2011Explosive atmospheres—Part 35.1: Caplights for use in mines susceptible to firedamp—General requirements—Construction and testing in relation to the risk of explosion, or