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Covering the design and construction of multi-residential, commercial, industrial and public assembly buildings.

Covering the design, construction and maintenance of plumbing and drainage systems in new and existing buildings.

Sets out the requirements for the design, installation and commissioning of heated water services using drinking water or rainwater or a combination thereof; includes aspects of the installation from, and including, the valve(s) on the cold water inlet to any cold water storage tank or water heater and the downstream fixtures and fittings; applies to new installations as well as alterations, additions and repairs to existing installations.