S-2.1, r. 14 - Regulation respecting occupational health and safety in mines

Section 71 Disposition versions

2015-11-11

71. Except in a place where development work is being carried out, no work may be undertaken underground without having at least 2 separate passages to the surface by which workers may evacuate the mine.

The passages shall enable workers to pass from one level of the mine to another.

Notwithstanding the foregoing, a stope may be operated with only one passage to the surface where the following conditions are satisfied:

(1)  the stope is operated for sampling purposes only;

(2)  no other hoisting, exploration, development or new development work is carried out simultaneously with the operation of the stope;

(3)  a refuge station complying with the standards in sections 127 and 128 is installed less than 10 minutes from the work station;

(4)  the refuge station is equipped with one self-contained breathing apparatus and a minimum utilization time of 60 minutes for each worker assigned to the site and to any related haulage;

(5)  the quantity of rock broken is absolutely necessary to render the sample representative of the deposit to be exploited;

(6)  the timbering of the shaft and collar frame is kept wet.

O.C. 213-93, s. 71; O.C. 782-97, s. 7; O.C. 1190-2010, s. 6; O.C. 966-2015, s. 2.

2012-09-01

71. Except in a place where development work is being carried out, no work may be undertaken underground without having at least 2 separate passages to the surface by which workers may evacuate the mine.

The passages shall enable workers to pass from one level of the mine to another.

Notwithstanding the foregoing, a stope may be operated with only one passage to the surface where the following conditions are satisfied:

(1)  the stope is operated for sampling purposes only;

(2)  no other hoisting, exploration, development or new development work is carried out simultaneously with the operation of the stope;

(3)  a refuge station complying with the standards in sections 127 and 128 is installed less than 10 minutes from the work station;

(4)  the refuge station is equipped with one self-contained breathing apparatus with full face piece and a minimum utilization time of 60 minutes for each worker assigned to the site and to any related haulage;

(5)  the quantity of rock broken is absolutely necessary to render the sample representative of the deposit to be exploited;

(6)  the timbering of the shaft and collar frame is kept wet.

O.C. 213-93, s. 71; O.C. 782-97, s. 7; O.C. 1190-2010, s. 6.