1 February 2019
WSAA is pleased to announce a revised water industry standard WSA 137 for maintenance shafts, maintenance chambers and maintenance holes is now available for comment.
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1 November 2018
We are pleased to release WSAA Product Specifications Issue 6.
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8 June 2018
WSAA is pleased to announce the publication of revised water industry standard WSA 137-2018 Issue 2. This is a Water Industry Standard for Maintenance Shafts and Chambers for Sewerage
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11 August 2017
WSAA is pleased to advise that Information and Guidance Note (IGN) DR WSA TN3 - Ring bending stiffness and allowable deflection of ductile iron pipe and steel pipe is available for comment.
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28 April 2017
WSAA is pleased to announce Technical Note (WSA TN-08) is now available for comment. WSA TN-08 sets out product conformity assessment requirements, additional to those specified in the relevant product Standard(s).
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