Part B1 Cold water services
NSW B1D3 General requirements2019: NSW B1.4(1)
Delete clause B1D3 and insert NSW B1D3 as follows:
A cold water service must be in accordance with AS/NZS 3500.1, with the following additions to clause 5.4.2: (l) Where valves are located below ground within the property boundary, they shall be provided with a surface box and riser. The box lid shall be permanently marked with a “W”.