The obligation
Friable asbestos removal requires construction of negative-pressure enclosures, smoke-tested before use, and dedicated decontamination units for workers and equipment.
For all friable asbestos removal, the Code requires detailed enclosure specifications: size, shape, structure, smoke testing to confirm negative pressure, and placement of negative pressure exhaust units (NPEUs). Decontamination units (DCUs) with water, lighting, and power must be established. DCU requirements may also apply to some non-friable jobs depending on site conditions. All enclosure and DCU details must be documented in the ARCP.
- What
- Friable asbestos removal requires construction of negative-pressure enclosures, smoke-tested before use, and dedicated decontamination units for workers and equipment.
- Source
- safework.nsw.gov.au
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asbestos
enclosure
decontamination
negative-pressure
Official sources
Frequently asked questions
Which WHS law does this come from?
Enclosures and Decontamination Units (Friable Removal) is a WHS requirement set out in How to safely remove asbestos (NSW). It is made under Work Health and Safety Act 2011 (NSW). The relevant provision is How to safely remove asbestos > Enclosures and Decontamination § Enclosures.
What does this WHS obligation require?
Enclosures and Decontamination Units (Friable Removal) is a WHS obligation under How to safely remove asbestos (NSW). In short, Friable asbestos removal requires construction of negative-pressure enclosures, smoke-tested before use, and dedicated decontamination units for workers and equipment.
What changed recently?
Enclosures and Decontamination Units (Friable Removal) was last updated on 13 August 2026.
