(1) Without prejudice to the generality of section seventy-nine of the Act if in any mine there appears any smoke or other sign indicating that a fire has or may have broken out below ground at any place, the persons in charge of any parts of the mine likely to be affected by such a fire, by products of combustion thereof or by any explosion resulting therefrom, shall cause all persons employed at any place likely to be so affected to leave it:
Provided that in any case in which it appears to the person in charge of the part of the mine from which that sign emanates that there exists no immediate danger persons may remain there for the purpose of preventing danger from arising.
(2) Where on any occasion persons have been caused to leave any place in pursuance of the provisions of the last preceding paragraph, no person shall thereafter be permitted to enter it until after examination thereof it is reported safe for him to do so either by the manager or an under-manager of the mine and by two members of the panel appointed for the mine under section one hundred and twenty-three of the Act or, if they do not concur, by an inspector:
Provided that nothing in this paragraph shall be taken to prohibit a person from entering any place for the purpose of saving life, ascertaining the condition of that place, ascertaining or taking any measures that it is necessary to take for the purpose of rendering it safe or ascertaining the effectiveness of such measures:
Provided also that the concurrence of two members of the said panel shall not be required if such persons are not available within a reasonable period after the manager or an under-manager of the mine has informed the person for the time being nominated to receive notices under subsection (1) of section one hundred and sixteen of the Act of the occurrence.
(3) Any report under the last preceding paragraph shall be a full and accurate report signed by the persons making it and the position of the fire or suspected fire shall, if possible, be indicated by means of a plan. A copy of any such report shall forthwith be posted at the pithead.
(4) If on any occasion it is ascertained that fire has broken out at any place the following parts of the mine shall be deemed for the purposes of paragraph (1) of this regulation to be affected, that is to say, all parts of the seam in which the fire exists and all parts of any other seam reached from an entrance below ground to a shaft or outlet being an entrance from which the first mentioned seam is reached:
Provided that a part of the mine other than that in which the fire exists shall be deemed not to be affected if it is protected against the spread thereto of any explosion by means approved by the Minister for the purposes of this regulation, and a seam other than that in which the fire exists shall be deemed not to be affected if it is naturally wet throughout.
(5) If on any occasion a fire is being dammed off all parts of the mine below ground shall be deemed for the purposes of paragraph (1) of this regulation to be affected, and until the work is completed no person shall be permitted to go below ground except for the purposes of that work or otherwise for securing the safety of the mine.
(6) If on any occasion it is ascertained that fire has broken out at any place measures shall be taken to render harmless any coal dust in accessible parts of the mine contiguous to the fire.