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Section J – Understand the NCC requirements

12 Aug 2020 at 12:30 pm - 1:30 pm ACST

Section J of the NCC (National Construction Code) deals with Energy Efficiency in all classes of buildings constructed across Australia.

The current status of the Section J provisions in the Northern Territory (NT) is that they apply only to Class 2, a building containing 2 or more sole-occupancy units each being a separate dwelling, and Class 4, being a dwelling in a building that is Class 5,6,7,8 or 9 if it is the only dwelling in the building.

Currently Section J provisions do not apply to Class 3, 5, 6, 7, 8 and 9 buildings in the NT, which include hostels, hotels, aged care, commercial, institutional and public buildings.

Increasingly, some clients, including the Northern Territory Government, and built environment professional groups, including the Australian Institute of Architects, are advocating the implementation of Section J provisions across all classes of buildings in the NT.

To that end, the Association of Architects Australia QLD/NT, through Ashburner Francis, are presenting a webinar to explain the basic precepts of the Section J provisions of the NCC.

Below is an outline of the discussion:

  • Why is Section J important to our building industry?
  • Where its applicable?  a. Types of building affected  b. Conditioned space Vs Habitable room b. JV3  c. Building façade calculator
  • J3 Building Sealing- how it affects my building?
  • J5 Airconditioning and Ventilation systems a. Deactivation, class 3 buildings b. Insulation levels to pipework and ductwork c. Fan and pump calculators
  • J6 Artificial lighting and Power a. Lighting calculator
  • J7 heated water supply, pools and spas
  • J8 Facilities for Energy monitoring


Lara Bailey, Mechanical Engineer, Ashburner Francis

Lara Bailey is the environmentally sustainable design manager and a mechanical engineer at Ashburner Francis. She has a Batchelor of Engineering in Building Services from Dublin Institute of Technology in Ireland.

Lara joined the Ashburner Francis team in 2012 and has become accredited in various energy focused rating schemes including Green Star and NABERS. She prides herself in producing energy efficient and cost effective designs in both mechanical services and façade analysis in compliance with section J of the NCC.


12 Aug 2020
12:30 pm - 1:30 pm ACST
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