OHS Code

Published Date: July 01, 2009
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Part 36 Mining

Section 747 Pillars

(1) The owners or prime contractors of adjoining underground properties must ensure that a pillar is left in each seam along the boundary line common to the adjoining properties.

(2) The owners or prime contractors of adjoining underground properties must ensure that together the pillars are a sufficient barrier to ensure the safety of workers in each mine.

(3) A professional engineer must determine the width of the pillar required to be left under subsection (1).

(4) An employer must not conduct mining operations within 100 metres of the boundary line of an underground mine referred to in subsection (1) until the determination is made under subsection (3).

(5) An employer must ensure that no mining is performed in the barrier pillar.

(6) The underground coal mine surveyor of one mine may enter an adjoining mine to survey the working face of that mine along the barrier pillar.

(7) An employer must

(a) ensure that an underground coal mine surveyor prepares plans of the survey of the working faces along the barrier pillar within 60 days of the extraction of coal adjoining the barrier pillar, and

(b) file the plans with the Director immediately after they are prepared.