§ 45-563. Duty as to ventilation.

It shall be the duty of the mine foreman to see that the proper breakthroughs are made in all the room pillars at such distances as in the judgment of the mine inspector may be deemed necessary for proper ventilation, but not more than thirty (30) feet apart where gas exists and in no case more than forty (40) feet apart, and the ventilation shall be conducted through said breakthroughs into rooms by means of check doors made of canvas, or other suitable material, placed on the entries or in other proper places, and he shall not permit any room to be opened in advance of the ventilating current, or when the rooms already made are not connected.  He shall also see that the air current is conducted to the face of all the entries, airways, rooms and other advance workings, so as to dilute and render harmless all noxious and poisonous gases.  Should the mine inspector discover any room, entry, airway or other working places being driven in advance of the air current contrary to the requirements of this section, he shall order the workmen working in such places to cease work at once, until the law is complied with.

R.L.1910, § 3985.