About Confined Space

Learn about the definition of confined space. Find out about related laws and industry standards.

Definition: Confined Space

A confined space is any enclosed space, in which:

  • dangerous gases, vapours or fumes are likely to be present;
  • the supply of air is inadequate; or
  • there is a risk of engulfment.

Examples of confined space include manhole, barge tank, ISO tank, bore hole, silo and reactor.

Laws and Industry Standards

As an employer, you are expected to comply with Singapore's WSH laws. You should pay particular attention to the following legislations:

You should also observe relevant industry standards, such as:

Please refer to the WSH (Approved Codes of Practice) Notification(PDF) for the full list of approved Codes of Practice you may need to follow.