The National Construction Code 2022 Volume Three, also known as the Plumbing Code of Australia, establishes the legal framework and technical standards for plumbing and drainage installations across the country. It categorises buildings into distinct classifications to ensure that safety, health, and amenity requirements are appropriately applied based on a structure's use. The document details Performance Requirements for essential services such as cold and heated water supply, fire-fighting systems, and sanitary disposal. Compliance can be achieved through Deemed-to-Satisfy Provisions, which offer prescriptive solutions, or via engineered Performance Solutions that meet specifi ...