(1) An inspector shall, for the purposes of the relevant statutory provisions have power to do any one or more of the following:

(a) subject to subsection (5), at any time enter any place -

(i) which he or she has reasonable grounds for believing is used as a place of work,

(ii) in which he or she has reasonable grounds for believing that articles or substances or records are kept, or

(iii) to which the relevant statutory provisions apply,

and inquire into, search, examine and inspect that place and any work activity, installation, process or procedure at that place which is subject to the relevant statutory provisions and any such articles, substances or records to ascertain whether the relevant statutory provisions have been or are being complied with and for those purposes take with him or her and use any equipment or materials required for those purposes;