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Standard technical specifications

Our standard technical specifications (STS) define our default technical requirements for a variety of materials and classes of work associated with the construction and maintenance of our water and sewer systems.

Learn more about: Design and construction checklists and forms

Design and construction checklists and forms

Our design and construction submissions require the use of templates, standard forms and checklists. Find a full list of the resources you will need for a submission to us.

WSAA codes publication

Our codes specify mandatory requirements for the design and construction of water supply systems and gravity sewerage that are to become our responsibility following completion of the works.