When is a Form 43 required in Queensland?
Summary (TL;DR)
In Queensland, a plumber must provide a Form 43 (Aspect Certificate) to the building certifier when they install roof water drainage or surface water drainage that is part of a building development approval. It certifies that the stormwater work complies with the building approval and the NCC.
Understanding the Form 43 Aspect Certificate
While Form 7 is used for sanitary plumbing and drainage (lodged with the local council), the Form 43 is used for stormwater and roof drainage, and is given to the private building certifier.
What Triggers a Form 43?
You need to issue a Form 43 when you complete "aspect work" related to a building approval. For plumbers, this almost always means:
- Roof gutters and downpipes
- Underground stormwater drainage
- Surface water drainage systems
- Rainwater tank overflow connections
Who Gets the Form 43?
Unlike a Form 7 which goes to the local government (council), the Form 43 must be given to the Building Certifier who issued the building approval for the project. They need this certificate before they can issue the final handover certificate for the building.
Why is it Important?
The Form 43 is your legal declaration that the stormwater system has been installed in accordance with the approved plans, the National Construction Code (NCC), and AS/NZS 3500.3 (Stormwater Drainage). If the gutters overflow into the house during a storm because they weren't sized correctly, the certifier will point straight to your Form 43.
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