Sanitary Drainage and Sanitary Plumbing FAQs

A For below ground sanitary drains: Where a 100mm junction connects a 100mm branch pipe to another 100mm pipe, the entry level of the branch pipe must be rotated to 15° above the horizontal. For above ground sanitary plumbing: sanitary drainage systems, where a 100mm junction connects a 100mm branch pipe to another 100mm pipe, the entry level of the branch pipe must be rotated to 15° above the horizontal. In Class 1 buildings, the, where the 15° cannot be achieved, the incline must be as close as possible to 15° to avoid stranding. (Plumbing Code of Australia 2022, Vic variation C1D3)

Yes, The LP would need to confirm the temperature discharge are within the limitation of the UPVC and that any chemicals are also withing the limitation of UPVC.

You must not wittingly connect to a non-complaint drain. As a plumbing professional you have a duty of care where it is reasonably foreseeable that work you perform may cause harm or loss if it does not function as it should and leads to costly repairs and ongoing maintenance.