62. No person shall be at a mine in a state of intoxication or without the permission of the manager shall bring any intoxicating liquor to a mine.
63. No person shall travel by means of an aerial rope-way at a mine otherwise than under the authority in writing of the manager of the mine.
64. Except under the authority of an official of the mine, 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.
65. Any person who opens any door intended to direct the ventilation in a mine shall secure that it is closed forth with, and any person who moves any screen or sheet intended for that purpose shall secure that it is replaced forthwith.
66. Except with 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.
67.—(1) Every person engaged at any working face (including a place in a road at which ripping or work of repair is in progress) or in setting or withdrawing supports shall make a careful examination of his working place at the beginning of each period of work and at appropriate times during the course of it and in particular after any shot has been fired thereat or near-by and after any other interruption of work. He shall remove or secure any loose part of the roof, face or sides at his working place which might be dangerous.
(2) Every person so engaged shall take any necessary steps to avoid interruption of the ventilation of the mine whether by accumulations of mineral, vehicles or stores.
68. No person shall work on any ledge or other place at a mine which is not fenced and from which he may fall fifteen feet or more unless he has been provided with a rope or other suitable appliance for his protection and he has at the beginning of that period of work satisfied himself of the safety of the rope or appliance and he is secured by it.
69. Except in a shaft or staple-pit in the course of being sunk, no person shall remain underneath anything suspended from winding apparatus or any lifting appliance.