OHS Code Explanation Guide

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

Section 445 Water hazard

Water creates a hazard since it can weaken excavation walls, thus increasing the potential of slope failure or complete collapse. The presence of water can also create poor under-foot conditions for workers, resulting in possible slips, trips and falls. In the worst case, accumulated water presents a drowning hazard. The employer must therefore control the accumulation of water and ensure that workers do not enter an excavation until hazardous accumulations are eliminated.