In January 2022 we released Version 3.2 of the WSA 02:2014 Gravity Sewerage Code of Australia and WSA 03:2011 Water Supply Code of Australia.

WSA 02: 2014 Gravity Sewerage Code of Australia Version 3.2

Version 3.2, which replaces Version 3.1, it continues to improve and refine the Code. Minor editorial errata have been addressed. Significant changes include amendment to:

  1. the default methodology for estimating design sewage flow as detailed in Appendix C which now include the determination of the “peaking factor” d from a development’s estimated EP.
  2. Parts 0 and 1, using the using annual exceedance probability (AEP) in lieu of average recurrence interval (ARI) to determine rainfall dependant infiltration (RDI)
  3. The pipe sizing and grading calculator.

The Gravity Sewerage Code of Australia Version 3.2 is now available to purchase in eBook format from the WSAA Shop.

A detailed summary of the amendments incorporated into Version 3.2 is also available to purchase from the CodeShop.

WSAA Utility Members can access their complimentary copy of the Code including a detailed summary of the amendments incorporated from their My Products page.

WSAA Private Utility, Consultant, and Stakeholder customers receive a 50% discount on the WSAA Shop. 

WSA 03:2011 Water Supply Code of Australia Version 3.2

Version 3.2, which replaces Version 3.1, continues to improve and refine the Code. Minor editorial errata have been addressed.

The Water Supply Code of Australia Version 3.2 is now available to purchase in eBook format from the WSAA Shop.

A detailed summary of the amendments incorporated into Version 3.2 is also available to purchase from the CodeShop.

WSAA Utility Members can access their complimentary copy of the Code including a detailed summary of the amendments incorporated from their My Products page.

WSAA Private Utility, Consultant, and Stakeholder customers receive a 50% discount on the WSAA Shop. 

29 Mar 2022

Sandi Kolbe

Sandi Kolbe

Communications Manager