Coal Mine Health and Safety Act 2002 No 129
Current version for 1 January 2014 to date (accessed 19 December 2014 at 06:32)

87   Minister may give directions regarding barriers and pillars

(1)  The Minister may direct the operator of a coal operation:
(a)  to leave in any mine that forms part of the coal operation a barrier of the width that is specified in the direction against the mean high water mark of tidal waters, and
(b)  to leave in the mine that forms part of the coal operation a protective pillar of the dimensions that are specified in the direction against surface improvements or features, whether natural or artificial, including mine workings, whether discontinued or otherwise.
(2)  In giving a direction under subsection (1), the Minister:
(a)  may fix the width of a barrier in respect of any seam or portion of a seam within a mine and specified in the direction or in respect of all the seams within a mine or all seams within a mine other than those so specified, and
(b)  must so fix the width of a barrier in respect of any seam so that a barrier of not less than 40 metres must be maintained between workings of any mine adjoining the mine.
(3)  An operator must not fail to comply with a direction given to the operator under this section.
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