OHS Code Explanation Guide

Published Date: July 01, 2009
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Part 36 Mining

Section 700 Portal

Subsection 700(1)

In addition to protecting workers from falling or collapsing ground, portals ensure access to the mine during emergencies. Only non-flammable materials must be used for construction so that portal structures remain in tact and operational during a fire.

Subsection 700(2)

A professional engineer must prepare and certify a design that adequately addresses all factors affecting the structure such as construction materials, position of the opening and stability of the formation around the opening.