OHS Code

Published Date: July 01, 2009
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Part 36 Mining

Section 651 Electric blasting

(1) This section applies to electric blasting in the presence of electromagnetic radiation.

(2) If blasting is within 60 metres of an overhead power line, a surface mine blaster must ensure that precautions are taken to prevent

(a) an electrical charge build-up in the blasting circuit, and

(b) damage or short-circuiting of the overhead power line.

(3) An employer must ensure that electric detonators are not used at a blast area if radiofrequency transmitters or other radiofrequency fields are closer than the distances listed in Schedule 11, Tables 1 and 2.

(4) A surface mine blaster must ensure that lead wires laid out from the connecting wires are not within 1 metre of any trailing cables.