For the purposes of administering this act, the secretary or a person or persons designated by the secretary shall have the right to enter private property and to inspect facilities and equipment. It shall be the duty of the secretary or any such designated person or persons to notify the owner or operator of any facility or equipment: (1) Of any defect or deficiency in the construction, installation or operation of any such facility or equipment; and (2) of any defect or deficiency in the safety equipment or in the use thereof. The owner or operator of such facility or equipment may be given a specified reasonable time within which to comply with the rules and regulations.