approvemeans approve for the time being in writing, and “approved” shall be construed accordingly;
building operationhas the meaning assigned to it by section 176(1) of the Factories Act 1961;
factoryhas the meaning assigned to it by section 175 of the Factories Act 1961 and premises to which section 123(1) or (2) or 125(1) of that Act applies;
means of identificationmeans a card or other document containing the name of the employee to whom it is issued, his photograph, the name of his employer and such other particulars as the employer wishes to include;
railway operatorhas the meaning assigned to it by the Railways (Safety Case) Regulations 1994 as if, in those Regulations, “railway” included any transport system and “train” included any vehicle;
relevant assessmentsmeans assessments (including medical assessments) which are relevant for the purpose of ascertaining the competence and fitness of the employee to undertake the safety critical work concerned (whether or not they have been approved under regulation 3(3));
safety critical workmeans work by a person— (a) as a driver, guard, conductor or signalman or in any other capacity in which he can control or affect the movement of a vehicle;
the Executivemeans the Health and Safety Executive;
transport systemmeans a transport system to which Chapter I of Part II of the Transport and Works Act 1992 applies or would apply were it not for the exclusion in section 26(2) of that Act, except that it does not include any part of a transport system— (a) within a harbour or harbour area, or which is part of a factory, mine or quarry unless, in each case, it is being used or is intended to be used for the carriage of fare paying passengers;
vehiclemeans a vehicle used on a transport system and includes a mobile traction unit used on such a system;
work of engineering constructionhas the meaning assigned to it by section 176(1) of the Factories Act 1961.