OHS Code

Published Date: July 01, 2009
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Part 36 Mining

Section 716 Seals

(1) An employer must ensure that worked out or inaccessible parts of a mine are sealed off unless otherwise approved by the Director.

(1.1) The seals referred to in subsection (1) must withstand an overpressure of at least 345 kilopascals.

(2) An employer must ensure that a worked out district is sealed off within three months after mining stops in the district unless otherwise approved by the Director.

(3) An employer must ensure that workers monitor conditions at a seal to ensure that a hazardous condition does not develop.

(4) An employer must ensure that a seal constructed to contain fire, spontaneous heating or another similar hazard is

(a) certified by a professional engineer,

(b) constructed to withstand the force of an explosion in the sealed off area, and

(c) has a method of sampling the atmosphere and draining water from behind the seal.