OHS Code Explanation Guide

Published Date: July 01, 2009
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Part 36 Mining

Section 564 Underground coal mine

Subsection 564(1)

A certified underground coal mine electrical superintendent must approve all electrical apparatus prior to its use underground. The requirement is meant to apply in conjunction with the notification and approval of the Director, provided under section 561. While the Director’s approval is required, it is the electrical superintendent that is ultimately responsible. As such, the electrical superintendent must be intimately involved in the specification, acceptance, installation, modification, maintenance and repair of underground electrical equipment.

Subsection 564(2)

On a day-to-day basis, the underground coal mine electrical superintendent must supervise and assume responsibility for all electrical work performed in the mine. Further, the electrical superintendent must ensure that underground electrical equipment remains in compliance with the regulatory requirements reflected in CSA Standard CAN/CSA – M421-00 (R2007), Use of Electricity in Mines.

Subsection 564(3)

Similar to the hazard posed by accumulated explosive gases in any other hazardous location, the concerns are the same in an underground coal mine. As a result, no electrical repairs or adjustments can be made unless the equipment is de-energized and the worker has confirmed that no dangerous accumulation of gas is present.