A Comprehensive Guide to Commercial Plumbing

Part of the National Construction Code (NCC), the PCA sets out the technical provisions for the design, construction, installation, replacement, repair, alteration, and maintenance of plumbing and drainage installations throughout Australia.

Australian Standards (AS)

AS/NZS 3500: Plumbing and Drainage Series:

• AS/NZS 3500.1: Water services
• AS/NZS 3500.2: Sanitary plumbing and drainage
• AS/NZS 3500.3: Stormwater drainage
• AS/NZS 3500.4: Heated water services
• AS/NZS 3500.5: Domestic installations

State and Territory Licencing and Regulation:

Each state and territory has its own licensing requirements and regulatory bodies. For instance:

• NSW Fair Trading oversees licensing in New South Wales
• Victorian Building Authority (VBA) oversees licensing in Victoria
• Queensland Building and Construction Commission (QBCC) oversees licensing in Queensland

Additional Industry Standards and Guidelines

AS/NZS 5601: Gas Installations:

• This standard covers the requirements for gas installations in buildings, ensuring safe design, installation, and operation.

AS 2845.1: Water Supply - Backflow Prevention Devices:

• Specifies the requirements for the design, installation, and maintenance of backflow prevention devices to prevent contamination of the potable water supply.

AS 2419: Fire Hydrant Installations:

• This standard provides the specifications for the installation and maintenance of fire hydrants.

AS 3500.4: Heated Water Services:

• Outlines the standards for the design and installation of heated water services, including water heaters and associated components.