The obligation
Edition 2 amended Figure 13 so the 'Timber on edge' note shows a guardrail post size of 45mm instead of 25mm.
The guardrail post size in the Figure 13 note 'Timber on edge' was amended from 25mm to 45mm. The arrow against the note was moved to make clear whether it applies to the post or the guardrail, and a fixing was added to the left-hand illustration.
- What
- Edition 2 amended Figure 13 so the 'Timber on edge' note shows a guardrail post size of 45mm instead of 25mm.
- Source
- worksafe.vic.gov.au
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Frequently asked questions
Which WHS law does this come from?
Guardrail post size shown in Figure 13 is a WHS requirement set out in Falls in housing construction (VIC). It is made under Occupational Health and Safety Act 2004 (VIC). The relevant provision is Compliance Code: Prevention of Falls in Housing Construction.
What does this WHS obligation require?
Guardrail post size shown in Figure 13 is a WHS obligation under Falls in housing construction (VIC). In short, Edition 2 amended Figure 13 so the 'Timber on edge' note shows a guardrail post size of 45mm instead of 25mm.
What changed recently?
Guardrail post size shown in Figure 13 was last updated on 19 October 2026.