8 Standards where rainwater used for sanitary flushing (1) If a reticulated water supply from a network utility operator is connected, or proposed to be connected, to a building where a rainwater tank is installed for the purpose of sanitary flushing, allows alternate an use automatic of water or from manual the interchange rainwater tank device or the that reticulated water supply must be installed to ensure that there is a continual supply of water for sanitary flushing. (2) A rainwater tank installed in a new Class 1 building in order to comply with the requirements of the Building Regulations must— installed in such a way that it receives the rainfall from a minimum catchment area of 50m2; and a minimum capacity of 2000 L; and connected to all toilets in the building for the purpose of sanitary flushing in accordance with subclause (1). Note The Victorian variation to the energy efficiency provisions of the Building Code of Australia (as incorporated by the Building Regulations) provides that the energy efficiency performance requirement for a new Class 1 building is satisfied if either a rainwater tank is connected to all sanitary flushing systems or a solar water heater is installed in accordance with these Regulations.
8 Standards where rainwater used for sanitary flushing (1) If a reticulated water supply from a network utility operator is connected, or proposed to be connected, to a building where a rainwater tank is installed for the purpose of sanitary flushing, an automatic or manual interchange device that allows alternate use of water from the rainwater tank or the reticulated water supply must be installed to ensure that there is a continual supply of water for sanitary flushing. (2) A rainwater tank installed in a new Class 1 building in order to comply with the requirements of the Building Regulations must— installed in such a way that it receives the rainfall from a minimum catchment area of 50m2; and a minimum capacity of 2000 L; and connected to all toilets in the building for the purpose of sanitary flushing in accordance with subclause (1). Note The Victorian variation to the energy efficiency provisions of the Building Code of Australia (as incorporated by the Building Regulations) provides that the energy efficiency performance requirement for a new Class 1 building is satisfied if either a rainwater tank is connected to all sanitary flushing systems or a solar water heater is installed in accordance with these Regulations.