OHS Code Explanation Guide

Published Date: July 01, 2009
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Part 36 Mining

Section 536 Open stockpiles

Effective design and operation of open stockpiles relies on engineering principles that address the potential instability of the stockpile.

To ensure stability, stockpile design and construction should address the geotechnical behaviour and physical dimensions of the stockpile, chemical properties of the waste rock, location of the water table, and the permeability, size and strength of the rocks or other materials in the stockpile. Stockpile areas should be marked for hidden hazards e.g. those associated with potential surface collapse into hidden cavities and voids that may be present close to the surface of the stockpile.