OHS Code Explanation Guide

Published Date: July 01, 2009
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Part 6 Cranes, Hoists and Lifting Devices

Section 91 Warning device

This section requires a means of warning workers in the vicinity of a mobile crane. The warning must be sounded when hoisting is about to commence or the entire crane is about to be set in motion. Section 267 describes requirements for warning signals if the operator’s view of the crane’s path of travel is obstructed. See Figure 6.23.

Figure 6.23 Example of warning device