Paragraph 4
(1)
Except under the authority of an official of the mine or in a case of emergency no person employed in any mine shall travel below ground to or from his work by any road other than those notified by the manager for the purpose or go into any part of the mine which it is not necessary for him to enter for the purpose of his work.
(2)
Except under the authority of an official of the mine no person shall pass beyond any enclosure or barrier or danger signal or open any locked door.
(3)
No person shall go into any engine house except for the performance of his duties or under the authority of an official of the mine.