6.—(1) Where there has been a notifiable accident or dangerous occurrence in a workplace or a notifiable disease has been contracted there and—
(a)it is safe for an inspection to be carried out; and
(b)the interests of employees in the group or groups which safety representatives are appointed to represent might be involved.
those safety representatives may carry out an inspection of the part of the workplace concerned and so far as is necessary for the purpose of determining the cause they may inspect any other part of the workplace; where it is reasonably practicable to do so they shall notify the employer or his representative of their intention to carry out the inspection.
(2) The employer shall provide such facilities and assistance as the safety representatives may reasonably require (including facilities for independent investigation by them and private discussion with the employees) for the purpose of carrying out an inspection under this Regulation; but nothing in this paragraph shall preclude the employer or his representative from being present in the workplace during the inspection.
(3) In this Regulation “notifiable accident or dangerous occurrence” and “notifiable disease” mean