Proposed changes to the AS/NZS3500 suite of standards

Industry Updates - Published October 2020

You may be aware that the suite of AS/NZS3500 standards are undergoing a review and have recently been through a public comment phase.

The process will now include a full review of the comments received on the draft and any changes that are the results of that process.

Proposed changes to the AS/NZS3500 suite of standards

Master Plumbers have made comment back on several of the proposed changes which can be summarised as;

  • Master Plumbers was not in favour of removing what we consider valuable information from these installation standards to be relocated in the national Construction Code. For example, cross connection examples.
  • Master Plumbers was not in favour of a mandatory requirements for mechanical flexible connectors for underslab sanitary drains
  • Master Plumbers was not in favour of changes to increasing the entry on grade to a 100mm sanitary drain junction to a minimum of 15 degrees particularly due to the lack of space in sub floor drainage changes.

A summary of these changes and the standard it applies to is listed in this document.

Questions or queries on the standards can be directed to the Master Plumbers technical department.

Testo – Dec24 – Jun25

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