166. An employer shall provide—

(a) one or, as appropriate, more first-aid rooms at every place of work under the employer’s control where the size of the undertaking, the type and scale of activity being carried out and the frequency of accidents so require, without prejudice to—

(i) Regulation 165(1)(a), and

(ii) existing requirements in the relevant statutory provisions as regards the provision of first-aid rooms, and

(b) ensure that every first-aid room provided under paragraph (a) is fitted with essential first-aid equipment and facilities and is easily accessible for stretchers.