Confined Spaces

​​​A confined​ space is defined as:

  • an enclosed or partially enclosed space with restricted entry and exit
  • an oxygen concentration outside the safe oxygen range
  • a concentration of airborne contaminants that may cause impairment, loss of consciousness or asphyxiation
  • a concentration of flammable airborne contaminant that may cause injury from fire or explosion
  • risk of engulfment in any stored substance (e.g. grain, sand or saw dust), except liquids.

Examples include: storage tanks, silos, ducts, chimney, underground sewer, or well or any shaft or trench.

No Department employee is to enter a confined space at any time.

The Workplace Manager and/or Management OHS Nominee are to engage a qualified contractor and for works to be conducted in a confined space.

The Workplace Manager and/or Management OHS Nominee in consultation with the contractor are to complete and sign a Confined Space Entry Permit prior to the commencement of any works in a confined space.​

For further information see the Confined Space Procedure below.

OHS Management System documentation

Policy​​Procedures​Forms​Guides​Other relevant OHSMS sections

Contractor and Volunteer Worker OHS Management

OHS Risk Management


Legislation, guidance, and Codes of Practice

Occupational Health and Safety Act 2004

Occupational Health and Safety Regulations 2017

AS2865 (1995) Safe Working in a Confined Space.

Confined Spaces - Compliance Code

Contact us

OHS Advisory Service on ph. 1300 074 715 or email

Further information

WorkSafe Victoria