The obligation
The Code applies to the design of structures, defined under the WHS Act as anything constructed, whether fixed or moveable, temporary or permanent.
Structures include buildings, masts, towers, framework, pipelines, roads, bridges, rail infrastructure and underground works such as shafts or tunnels. Any component or part of a structure is also covered. Designers include those designing services that form part of the structure, such as ventilation, electrical systems and permanent fire extinguisher installations, and temporary works engineers designing formwork, falsework, scaffolding and sheet piling.
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- What
- The Code applies to the design of structures, defined under the WHS Act as anything constructed, whether fixed or moveable, temporary or permanent.
- Source
- worksafe.wa.gov.au
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Frequently asked questions
Which WHS law does this come from?
What counts as a structure under the code is a WHS requirement set out in Safe design of structures (WA). It is made under Work Health and Safety Act 2020 (WA). The relevant provision is Work Health & Safety > Safe Design > Structures.
What does this WHS obligation require?
What counts as a structure under the code is a WHS obligation under Safe design of structures (WA). In short, The Code applies to the design of structures, defined under the WHS Act as anything constructed, whether fixed or moveable, temporary or permanent.
What changed recently?
What counts as a structure under the code was last updated on 19 October 2026.