WSAA is pleased to announce a revised water industry standard WSA 137 for maintenance shafts and chambers for sewerage is now available for comment.
Water Industry Standard: DR WSA 137-2017 Issue 2
Title: Water Industry Standard for Maintenance Shafts and Chambers for Sewerage
Issue 2 of DR WSA 137-2017 has been amended to include:
- a revised definitions of Maintenance shafts and Maintenance Chambers to reflect the product now available in the market
- additional infiltration and exfiltration tests for an inlet connectors into the riser.
- conformity assessment requirements Amendments to Appendix A, A4 Product Certification.
Comments are welcome by manufacturers, supplies, designers, installers and asset owners, using the comments form and emailing codes@wsaa.asn.au by COB 19 April 2017. A copy of the DR WSA 137-2017 Issue 2 is attached, along with a comments form.
If you have any queries, please contact Carl Radford on email carl.radford@wsaa.asn.au
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7 Mar 2017
