What is Section J Assessment?

What is Section J Assessment?

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Published by TOP4 Team

Section J of the National Construction Code (NCC) Volume 1, outlines the energy efficiency requirements of non-residential buildings. The main objective is to reduce the amount of energy a building requires for its normal operation.


All new buildings in Australia need to demonstrate their compliance, so an NCC Section J report must be compiled to accompany the design documents at the Construction Certificate stage.



SECTION J ASSESSMENT


The Section J Assessment can be performed by two methods.
One is to check the design elements of the proposed development against the Deemed to Satisfy (DTS) provisions of the NCC.


The other method is a verification method (JV3) which uses thermal simulation of the proposed development and its comparison with a reference building that meets all the DTS requirements of the NCC Section J. This assessment must be performed by an experienced and qualified energy efficiency consultant to minimise the risk of any non-compliance issues or council rejection.


The capacity requirements of the DTS provisions include meeting the Total R-Values of roofs, walls and floors, the glazing allowances and the air movement requirements. These detailed supplies also include the testing and installation of insulation, thermal breaks, compensation for downlights, floor edge insulation and detailed provisions for building sealing. These requirements fall into eight main sections in the NCC:


• Part J1 – Building Fabric
• Part J2 – Glazing
• Part J3 – Building Sealing
• Part J4 – Air Movement
• Part J5 – Air-conditioning and Ventilation Systems
• Part J6 – Artificial Lighting and Power
• Part J7 – Heated Water Supply and Swimming Pool and Spa Pool Plant
• Part J8 – Facilities for Energy Monitoring


Planning to have Section J Assessment on your building? Call Frys Energywise today.

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