What does Section ‘J’ of the Building Code of Australia (BCA) mean for me?
Section ‘J’ is a new energy efficiency regulation from the Commonwealth government which became law for most states on May 2006. It applies to all classes of buildings, except in NSW, where, for instance, residential buildings have to comply with BASIX requirements and only one Section ‘J’ requirement. The expected cost penalty to comply with requirements is expected to be between. 6%-2% of overall construction cost and this expected to be returned in energy savings within a period of 2 – 6 years depending on the type of building. (BCA RIS 2005). The larger the use of energy the greater the savings in a shorter time frame. In reality, it is simply ensuring good design practice and if a building has a problem complying with the requirements then it would be fair to say it initially had a deficient design basis. In many cases the cost will be neutral as a well designed building envelope can significantly reduce the size and usage of mechanical ventilation and can reduce lighting requirem
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