OHS Code Explanation Guide

Published Date: July 01, 2009
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Part 31 Diving Operations

Section 423 Application

This Part applies to commercial diving performed by workers who are diving at a work site. It does not apply to sport or recreational diving or to a person instructing others in sport or recreational diving.

Commercial diving involves a wide range of activities. Divers are exposed not only to the possibility of drowning, but also to a variety of occupational health and safety hazards such as respiratory and circulatory risks, hypothermia, low visibility and physical injury from the operation of heavy equipment under water.

The type of dive, its duration, the frequency of diving and the type of work being performed increase the already high risk of this strenuous work. Additional hazards are also associated with the actual work of underwater cutting and welding, materials handling, hull scrubbing and other types of work involving the use of hand and power tools.