OHS Code Explanation Guide

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

Section 85 Signal systems

Part 25 of CSA Standard Z256-M87 (R2001), Safety Code for Material Hoists, requires the use of either

(a) a two-way voice communication system, or
(b) a system, or combination of systems, of hand, audible or electric signals.

If a signal system is used, visual contact with the hoist operator must be maintained. When hand signals are used, the signaller must wear clearly distinguishable clothing such as a vest or armlets.

A signal system that incorporates voice communications must be used if a material hoist erected at a building is more than 20 metres in height.