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Section J of the BCA (NCC)

Recent changes to Section J will be identified and explained, with a particular focus on Part J5 and JV3 (Verification using a reference building). Practical examples will be worked through including a step by step approach to both DTS and JV3 including the processes involved in producing the modelling to achieve the required outcomes. Solutions to compliance difficulties within J5 will also be discussed. 

Download the course flyer


Key topics

  • Intent of Section J 
  • Deemed-to-Satisfy (DTS) – When it should be used and how it can impact building cost.
  • JV3 – Why Verification Using a Reference Building is in the BCA and how the results are checked and regulated.
  • Building envelope and the glazing calculator.
  • J5 – Fans, pumps, duct and pipe sizing, insulation, and compliance.

Designed for

  • Engineers with some previous exposure to Section J.


                    Ken Thomson, M.AIRAH, is associate ESD engineer at Erbas and Associates, providing design coordination, strategic development and ISD principles training. 

Ken has 25 years’ experience in the building industry, and has completed numerous projects in ESD and mechanical design. These projects include HVAC system design, documentation and commissioning (including undertaking CFD analysis, façade design and analysis and daylight and glare assessments), as well as post-occupancy inspections, energy audits and building condition audits. Ken holds the AIRAH Graduate Certificate in Air Conditioning (Code Compliance), and has lectured at the University of Queensland, where he has also mentored final-year sustainability and engineering students. 

Length of course/Duration

  • Delivery method: Face-to-face
  • Length: One day

Dates, cost and registration

To register, download the registration form, and return the completed form to AIRAH by email, fax or post. 

Alternatively, register online below.

 NSW                            Vic                                            Qld                                           WA                                    

Wednesday, June 11

Aerial UTS Function Centre
Level 7, 235 Jones Street, Ultimo

Thursday, June 12

Hotel Grand Chancellor Melbourne
131 Lonsdale Street, Melbourne
Wednesday, June 25     

Mercure Brisbane
85-87 North Quay, Brisbane
Wednesday, November 12

Pan Pacific Perth
297 Adelaide Terrace, Perth
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Costs (including GST):

Member – $499
Non-member – $599

For further information please contact:

Lauren Murch

Ph: 61 3 8623 3017

In-house training

This seminar can also be run at your workplace. If you have 10-12 people interested in doing the course please contact Carolyn Hughes on +613 8623 3000 to obtain further information.


Cancellation and refund policy


Registration may be cancelled up to five working days prior to commencement of the course with participants either transferring to another course / event or receiving a refund less a 20% administration fee. No refund will be given where cancellation is 24 hours or less. In all other cases of cancellation the extent of any refund will be at the discretion of AIRAH.

You may substitute another participant at any time prior to the event date should the nominated person be unable to attend. Where the course has entry requirements these must be met by any substitute participant. Where a non member replaces a member the difference between member and non member rates will be charged. Requests for refund can be made by email to


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