OHS Code

Published Date: July 01, 2009
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Part 36 Mining

Section 641 Circuit testing

(1) A mine blaster must ensure that

(a) all workers are outside the blast area before an electrical blasting circuit is tested, and

(b) an electrical blasting circuit is tested before firing to confirm that the circuit is complete.

(2) If electric blasting is performed with delayed-action detonators, a worker must not return to the scene of the blasting operation until at least 10 minutes after the blasting circuit is closed.