OHS Code

Published Date: July 01, 2009
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Part 32 Excavating and Tunnelling

Section 464 Tunnel

(1) An employer must ensure that, during the excavation of a tunnel, the walls of the tunnel from the top down are retained by temporary protective structures certified by a professional engineer as strong enough to prevent the walls from collapsing or caving in.

(2) An employer must ensure that a tunnel is provided with suitable and efficient machinery or other device for keeping the tunnel free from accumulations of water.