NCC spells out changes to AS3500 series

News

The latest version of the National Construction Code (NCC) comes into effect from 1 May 2019 and brings into play the new Plumbing Code of Australia (PCA), which references the AS/NZS3500:2018 series.

The NCC updates are the first since 2015. Below are some of the key changes from the 2015 versions:

3500.1

  • Backflow Prevention: Fire services backflow protection requirements reviewed to remove the option of using ‘single check non-testable’ devices and to clarify that containment protection is required 
  • Plastic Pipes in Direct Sunlight: Amended and made consistent as appropriate with the relevant clauses in Parts 2 and 4 regarding plastic pipes and fittings installed in direct sunlight 
  • Circulatory Heated Water: Revised to provide deemed-to-satisfy provisions for the design, installation and commissioning of circulatory heated water piping systems 
  • Non-Drinking Water: Section 9 ‘Non-Drinking Water Services’ reviewed to address a number of issues
  • General Changes: Technical revision to include general minor clarifications, clarify pipe separation from underground electrical supply cables, as well as improve the provisions for installation, testing and commissioning of rain water tanks 
  • Clarification of Jointing Methods: Revised to simplify and clarify allowable methods for joining tube products 
  • Soft solder shall not be used for any new joints

3500.2

  • There is significant re-numbering, including Appendixes.
  • Amendment 2 to AS/NZS 3500.2:2015 to include a deemed-to-satisfy solution for the installation of vacuum sanitary drainage systems
  • Relining of Pipes: Deemed to satisfy provisions relating to the installation of structural plastic liners for renovating sanitary plumbing and drainage systems included
  • Plastic Pipes in Direct Sunlight: Amended and made consistent as appropriate with the relevant clauses in Parts 1 and 4 regarding plastics pipes and fittings installed in direct sunlight
  • General Changes: Changes to make improvements to the ventilation requirements, as well as various miscellaneous changes including corrections and clarifications to ensure consistent application of the Standard. Amendments to the use of “square” junctions
  • A new appendix F

3500.3

  • The Standard has been revised to include innovative drainage systems, such as siphonic drainage, that are currently used within industry but were not included in the Standard as a deemed-to-satisfy solution

3500.4

  • Amendment 1 to AS/NZS 3500.4:2018, Section 6: The orientation of solar collectors has been amended, separating the requirements for class 1 and 10 buildings from the requirements for class 2 to 9. It provides a new option for class 1 and 10 buildings to orientate panels beyond 45° east or west of true north, subject to being reliant on certificates issued by a third party (the Clean Energy Regulator
  • Plastic Pipes in Direct Sunlight: Amended and made consistent as appropriate with the relevant clauses in Parts 1 and 2 regarding plastics pipes and fittings installed in direct sunlight
  • Circulatory Heated Water: Revised to provide deemed-to-satisfy provisions for the design, installation and commissioning of circulatory heated water piping systems
  • Clarification of Jointing Methods: Revised text amendments included to simplify and clarify allowable methods for joining tube products
  • Soft solder shall not be used for any new joints
  • TMV Taps: Amendment of Clause 1.9.3 (a) to include thermostatically controlled tapware as an additional deemed-to-satisfy option for the delivery of 45°C water.

Members with any inquiries regarding the changes can call the MPGA on 9471 6661 or email technical@mpawa.asn.au.
 

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