Building Commission Industry Bulletin 84 - The Building Commission is now targeting drainage plumbing diagrams

Website outage

Please be aware that due to essential network maintenance being performed by Western Power, some of our web services may become intermittently unavailable from 7.00am on Sunday, 21 January 2018 and throughout the day. We apologise for any inconvenience this may cause.

Information status

All documents issued prior to 1 July 2017 were issued by the former Department of Commerce. Documents listed here are the latest versions available, but may be subject to review. For more information on this document, please contact

This publication is for: 

On 14 December 2016, the Plumbers Licensing and Plumbing Standards Regulations 2000 were amended providing for the Plumbers Licensing Board (the Board) to administer drainage plumbing diagrams in Western Australia. These amendments extended the arrangement that existed from 1 July 2016 through which the Board administered drainage plumbing diagrams on behalf of the Water Corporation.

Building Commission
Last updated 01 May 2017

Share this page:

Last modified: