We are pleased to announce that WSAA has released the latest edition of Gravity Sewerage Code of Australia Version 3.3 today.
![](https://www.wsaa.asn.au/sites/default/files/styles/large/public/page/images/shutterstock_2150687395.jpg?itok=JC54FXA5)
WSA 02:2014 Version 3.3, which replaces Version 3.2 continues to improve and refine the Code. Minor editorial errata have been addressed.
Significant changes include amendments to:
- Integrate relevant WSA 01 Polyethylene Code requirements into this Code, update address PE-centric elements such as utilising specific material properties beyond standard PE100, welder qualification, weld parameters, weld test frequency and guidance when using electrofusion jointing on larger diameter pipelines.
- Update the sewer pipe sizing calculator to an online calculator.
- Include new references to WSA TN 08, WSA TN 11, WSA TN 12 and WSA 402
- Add new WSA Product Specifications
- Amendments to Tables I.1 to I.8 in Appendix I6.
- A new viewer, that supports touch, mouse and keyboard. It also includes a print button which will put the image onto an A4 page. If you print to a PDF, save the file and later decide you want to print the figure to an A3 size you can always change the print settings.
For a detailed summary of the amendments incorporated into this version refer to WSA 02:2014 Amd 2:2024.
WSAA has also made the following related documents available:
- WSA TN 08 Product Conformity Assessment Requirements
- WSA TN 11 Information and Guidance Note - Minimum Air Space in Gravity Sewers
- WSA TN 12 Information and Guidance Note - Self-cleansing flows and Sewer Pipe Sizing Calculator
- WSA TN 14 Information and Guidance Note - Sewage Flows from Fixture Units
- WSA 402 Product and Material Information and Guideline
How to access the Codes/WSA 02:2014 Amd 2:2022 Amendments/Technical Notes/Information and Guidance Notes
WSAA Utility Members can access their complimentary copy of the Code including the amendments WSA 02:2014 Amd 2:2024 from their My Products page.
The Technical Notes and the WSA 402 Product And Material Information Guidance Notes have been made available as free downloads.
WSAA Private Utility, Consultant, and Stakeholder customers receive a 50% discount on the WSAA Shop.
Members of the NSW Water Directorate with less than 20,000 water supply connections are entitled to a 50% discount on WSAA codes. If you can pay via credit card please send your order to codes@wsaa.asn.au. We will apply the discount to your account and you can purchase from the WSAA Shop. If you require a purchase order and invoice please send your order via email to Amy Osmond.