OHS Code Explanation Guide

Published Date: July 01, 2009
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Part 36 Mining

Section 730 Gas inspections

Subsections 730(1)

All mine officials must carry approved gas detectors so that they can test for methane, carbon monoxide and oxygen at any time. This serves worker safety by ensuring that the impact of any change in circumstances on the level of these gases can be assessed promptly. This facilitates effective control of changing mine ventilation conditions. This subsection also ensures that working faces, roadways and all other parts of the mine to be used or worked on are examined for methane gas within four hours of any work taking place.

Subsection 730(2)

Gas measurements must be taken not only at working places but also in areas where gas is known to accumulate, such as at the edge of gobs and in roof cavities. The reliability of such measurements is critical because workers could unknowingly enter hazardous working places.

Subsection 730(3)

Readings must be correct, communicated to management, and properly recorded so that they can be effectively communicated to workers and used in investigations if an incident occurs.  The mine official who inspects the area is fully accountable for the reliability of readings and the conclusions made.

Subsection 730(4)

So that underground workers are aware of mine conditions before entering the mine, a copy of the pre-shift inspection report must be posted at the portal or other designated location where it is accessible to workers.

Subsections 730(5)

 The requirement for countersigning reports by the person in charge verifies the veracity of the report and signifies that the report has been completed.