(1)  In these regulations –

Act means the Mines Work Health and Safety (Supplementary Requirements) Act 2012 ;

competent person, in relation to an activity, means a person who has acquired, through training, qualification or experience, the knowledge and skills to carry out the activity;

diesel unit means an item of machinery, including but not limited to a vehicle, which is powered by an engine fuelled by diesel;

electrical installation includes any electrical wiring, or other equipment associated with an electrical installation, situated in or on a mine;

emergency plan, in relation to a mine, means the emergency plan required under the Work Health and Safety Regulations 2022 to be prepared in relation to the mine, as a workplace to which those regulations apply;

equivalent qualification means a qualification certified by the Chief Inspector of Mines under regulation 40 ;

gas includes mist or vapour;

guarding, in relation to plant, means a device that prevents or reduces access to a danger point or area of the plant;

guidance material means guidance material declared under section 33 of the Act;

hazard includes –

(a) a principal hazard; and

(b) a hazard to which a risk to health and safety that is referred to in regulation 8 , 9 , 10 or 11 relates;

health and safety management system, in relation to a mine, means the system developed in relation to the mine as required under section 20(1) of the Act;

health monitoring, in relation to a person, means monitoring the person to identify changes in the person's health status because of exposure to certain substances;

ingredient includes any impurity mixed in with a substance;

major hazard management plan has the same meaning as in regulation 6(1) ;

material includes a substance;

mine winder means a machine used in an underground mine and designed to raise and lower people, equipment, or rock, in a permanently coupled conveyance that travels in guides, or on an inclined track, by means of a rope or ropes;

minimise means to reduce to the lowest reasonably practicable level;

powered mobile plant includes a vehicle;

principal hazard, in relation to a mine, means a hazard at the mine that is foreseeable and that has a reasonable potential, which is not negligible, to result in –

(a) multiple human deaths in a single incident; or

(b) one or more deaths in more than one incident –

but does not include a hazard to which a risk to health and safety referred to in regulation 8 , 9 , 10 or 11 relates;

record includes anything in which information is stored on a permanent basis or from which information may be reproduced;

risk assessment means the evaluation of the probability and consequences of a risk to health and safety arising from exposure to a hazard;

use includes –

(a) in relation to plant, to work from, operate, maintain, inspect or clean the plant; and

(b) in relation to a substance, to produce, handle, store, transport or dispose of the substance.

(2)  Unless the contrary intention appears, words or expressions that are used in these regulations without definition but are defined in the Work Health and Safety Act 2012 have the same meanings in these regulations as they have in that Act.