The obligation
Excavation work must not start until steps are taken to prevent collapse or partial collapse of potentially affected buildings or structures.
Excavation work may seriously affect the security or stability of part of a structure at or adjacent to the excavation, which can lead to structural failure or collapse. Planning should consider vehicle traffic and powered mobile plant near the excavation, nearby construction causing vibration, adjacent loads such as buildings, tanks, retaining walls and trees, and underground essential services.
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- What
- Excavation work must not start until steps are taken to prevent collapse or partial collapse of potentially affected buildings or structures.
- Source
- worksafe.qld.gov.au
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Frequently asked questions
Which WHS law does this come from?
Protecting adjacent buildings and structures during excavation is a WHS requirement set out in Excavation work code of practice 2021 (QLD). It is made under Work Health and Safety Act 2011 (QLD). The relevant provision is WHS Act 2011 (Qld) > Codes of Practice > Excavation Work COP 2021 > Adjacent Structures.
What does this WHS obligation require?
Protecting adjacent buildings and structures during excavation is a WHS obligation under Excavation work code of practice 2021 (QLD). In short, Excavation work must not start until steps are taken to prevent collapse or partial collapse of potentially affected buildings or structures.
What changed recently?
Protecting adjacent buildings and structures during excavation was last updated on 17 October 2026.