Industry Bulletin 163 – Requirements for the installation of property sewer connections (in and ups) when a junction is cut-in on an existing main sewer

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This industry bulletin is to inform the WA plumbing industry of changes to the considered point of demarcation between drainage plumbing and main sewers when a sewer junction is cut-in to an existing main sewer and a property sewer connection point is provided.

Building and Energy
Last updated 13 May 2024

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