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AS/NZS 3500.4:2025 specifies the requirements for the design, installation and commissioning of heated water services using drinking water or rainwater or a combination thereof. It includes aspects of the installation from the valves on the cold-water inlet to any cold-water storage tank or water heater and the downstream fixtures and fittings. It applies to new installations as well as alterations, additions and repairs to existing installations

Information about your rights and how you can exercise them during the building process.

The Western Australia guide to standards and tolerances 2019 (the Guide) has been developed for use by builders and building owners as a convenient reference for acceptable standards of workmanship in residential building construction; it is intended to address areas that are not prescribed under legislation or under a home building contract.

This document is known as the Best Practice Industry Conditions.

This information is intended as a guide only as to the requirement for payment of an insurance premium and cover for loss suffered in respect of different types of building work for contracts entered into on or after 28 October 2016.

Developed for builders and building owners to use as a convenient reference to the minimum technical standards and quality of work; provides references to relevant areas of legislation and gives guidance on areas of building standards that are not covered by legislation.

As a subcontractor, it is your responsibility to fully understand your rights and obligations in the relationship with your head contractor under contract law, before you enter into any subcontracting arrangement.

Your contractor must give you this guide before you sign a contract priced at or over $20,000.