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AS/NZS 3500.3:2025 specifies the requirements for materials, design, installation and testing of roof drainage systems, surface drainage systems and subsoil drainage systems to a point of connection

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

For Domestic Building Projects Not Exceeding $3,300.

This contract has been developed specifically to assist homeowners and demolition contractors to record their agreement regarding the demolition of a home (e.g. following a natural disaster such as a flood or cyclone).

Understanding progress payments in the building and construction industry.

This form should be used by a head contractor who has a construction contract that is an owner occupier construction contract.