(1) A person conducting a business or undertaking at a workplace may provide a required facility as part of a combined facility if—
(a) it is reasonable for combined facilities to be provided for workers because of the nature of the work or the usual working conditions; and
(b) if the combined facility includes a meal facility—the health or welfare of anyone eating in the combined facility will not be adversely affected because the facilities are combined.
(2) In this section:
"required facility" means a facility required under, and complying with, any of the following:
(a) section 12 (Facility for personal belongings);
(b) section 13 (Facility for changing clothes);
(c) section 14 (Facility for changing clothes—temporary workplaces);
(d) section 15 (Meal facility).