OHS Code

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

Section 101 Limit devices

(1) An employer must ensure that a tower crane is equipped with

(a) an overload device consisting of a hoist overload switch that automatically restricts the weight of the load,

(b) a travel limit device consisting of a moment overload switch that automatically restricts the radius within which the load can travel,

(c) a height limit switch that prevents the load from being over wound, and

(d) trolley travel limit devices consisting of a “trolley in” limit switch and a “trolley out” limit switch that prevent the trolley from running to the end of its track and falling off.

(2) An employer must ensure that the devices described in subsection (1) are adjusted and set in accordance with the manufacturer’s specifications and have their limit switches sealed.