OHS Code

Published Date: July 01, 2009
Bookmark this page

Part 36 Mining

Section 632 Secondary blasting

A mine blaster must ensure that if secondary blasting is practised,

(a) blockholes are used whenever reasonably practicable,

(b) the blockholes are deep enough to accommodate both the charge of explosive and sufficient stemming to confine the charge, and

(c) 2 or more charges are not used on the same boulder unless the charges are detonated simultaneously.