NCC 2022 Volume Three - Plumbing Code of Australia
Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c

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Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c

B6

Part B6 Rainwater services

Part B6 Rainwater services

SA B6D2 General requirements2019: SA B1.4(1) and (2)

Delete clause B6D2 and insert SA B6D2 as follows:

A rainwater service must comply with Section 15 of AS/NZS 3500.1. Additionally, after Clause 15.3.3(c) insert (d)—

(d) For Class 1 buildings and extensions or additions to Class 1 buildings the following applies.

Where a water service from a rainwater tank interconnect with a water service from a water main supply, the supply to a fixture, appliance or water outlet shall be maintained by a device/mechanism that facilitates a seamless automatic switching from one water service supply to another and vice versa without the need for manual intervention.