OHS Code Explanation Guide

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

Section 107 Multiple cranes

Sections 107(a) and 107(b)

When the radii of multiple cranes overlap, collisions must be prevented. Operators of the cranes must be provided with a means of communication and the operators must use it. Portable two-way radios are often used in such situations.

Section 107(c)

Several options are available to prevent collisions between multiple cranes and their loads:

(a) erecting the cranes at staggered heights, maintaining at least one metre clearance distance between all crane components under all conditions of loading;

(b) installing “slewing” limit switches set to activate and stop the jib before it gets into the overlap zone;

(c) developing written operating procedures in accordance with section 67; and

(d) securing the jib of an unattended crane in a position facing downwind in line with any anticipated prevailing winds.