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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.

Provides a list of structural timbers and their properties, and an extensive explanation of the list.

Specifies requirements for the design, installation, maintenance and testing of lightning protection on common structures, and for electrical and electronic systems within those structures for the protection of people and property from the hazards of lightning.