“appoint” in relation to a person means appoint in writing with a written statement summarising his duties and authority, and “appointed” shall be construed accordingly;

“competent” in relation to a person means a person with sufficient training, experience, knowledge and other qualities to enable him properly to undertake the duties assigned to him, and “competence” shall be construed accordingly;

“detonator” means an initiator for explosives that contains a charge of high explosive fired by means of a flame, spark, electric current or shock tube;

“excavation” means any place at the quarry where minerals are or have been extracted and includes the ground, faces or sides of the quarry and any other incline;

“excavations and tips rules” means the rules referred to at regulation 31;

“the Executive” means the Health and Safety Executive;

“exploder” means a device designed for firing detonators;

“geotechnical assessment” has the meaning given to it in regulation 33(1);

“hazard” in relation to an excavation or tip means having the potential to cause harm to the health and safety of any person;

“health and safety document” shall be construed in accordance with regulation 7;

“maintained” with respect to the quarry and its plant means maintained, where necessary to secure the health and safety of any person, in an efficient state, in efficient working order and in good repair, and “maintenance” shall be construed accordingly;

“management structure” shall be construed in accordance with regulation 8;

“mine” means any mine within the meaning of the 1954 Act;

“minerals” includes stone, slate, clay, gravel, sand and other natural deposits except peat;

“notifiable excavation” and “notifiable tip” shall be construed in accordance with regulation 34(3);

“operator” in relation to a quarry means the person in overall control of the working of the quarry;

“preparation for sale” includes the crushing, screening, washing, drying and bagging of minerals;

“quarry” has the meaning given to it by regulation 3;

“railway company” means any person authorised by an enactment to construct, work or carry on a railway and for the purposes of this definition the expression “enactment” includes a provision of an order or scheme made under or confirmed by an Act;

“safety fuse” means a flexible cord that contains an internal burning medium by which fire is conveyed at a continuous and uniform rate for the purpose of firing plain detonators or blackpowder, without initiating burning in a similar fuse that may be in lateral contact alongside;

“shot” means a single shot or a series of shots fired as part of one blast;

“shotfirer” means a person appointed pursuant to regulation 25(2)(a)(ii) to be responsible for shotfiring operations;

“tip” means an accumulation or deposit of any substance at a quarry (whether in a solid or liquid state or in solution or suspension) and includes, but is not limited to, overburden dumps, backfill, spoil heaps, stock piles and lagoons, and where any wall or other structure retains or confines a tip then it shall be deemed to form part of the tip;

“trainee shotfirer” means a person appointed pursuant to regulation 25(2)(a)(ii) to undergo training in shotfiring operations under the close personal supervision of a shotfirer;

“vehicle” means any mechanically propelled vehicle (including mechanically propelled plant);

“vehicle rules” means the rules referred to at regulation 14.