OHS Code

Published Date: July 01, 2009
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Part 36 Mining

Section 743 Incombustible dust

(1) This section does not apply to the part of a roadway within 10 metres of the working face while coal cutting is in progress.

(1.1) If reasonably practicable, an employer must ensure that every area in an underground coal mine is kept free of accumulations of coal dust.

(1.2) An employer must file with the Director a copy of a stone dusting program for the mine, including the method and frequency of testing.

(2) An employer must ensure that the floor, roof and sides of a roadway that is accessible to workers

(a) are treated with incombustible dust, or

(b) other methods and mine materials for dust stabilization or consolidation are used in a manner approved by the Director.

(3) An employer must ensure that the dust on the floor, roof and sides consists of at least 80 percent of incombustible matter.

(4) Subsections (2) and (3) do not apply if the dust mixture on the floor, sides, timbers and roof of the roadway consists of at least 30 percent by weight of water.

(5) An employer must ensure that the minimum amount of incombustible matter prescribed by subsection (3) is increased by 1 percent for each 0.1 percent of flammable gas in the atmosphere if there is flammable gas in the ventilating current.

(6) Repealed.

(7) An underground coal mine manager must ensure that a part of a roadway is cleaned as thoroughly as possible of all combustible dust before it is dusted for the first time with incombustible dust.