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© FANTECH 2016
ENERGY SUSTAINABLE DESIGN
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REFERENCE INFORMATION
MANDATORY ENERGY EFFICIENCY MEASURES
According to the Australian Building Control Board (ABCB)
energy used in buildings accounts for almost 27% of all energy
related greenhouse gas emissions. The inclusion of energy
efficiency measures for commercial and residential buildings in
the Building Code of Australia (BCA) publication is part of a
broader strategy being undertaken by state and federal
governments to reduce greenhouse gas emissions attributable
to the building sector. The ABCB states that minimum energy
efficiency provisions are being incorporated into the BCA to
eliminate "poor or less than acceptable" practice from industry,
and it is intended that they help reduce the greenhouse gas
emissions. The building must comply with all the deemed-to-
satisfy provisions included in Part J to comply with the BCA.
There is also a performance approach that allows for elements
to be traded off against each other as part of an alternative
solution.
Spec J5.2a, Volume 1 of the BCA contains requirements for the
design and installation of air conditioning and ventilation
systems in commercial buildings, and is intended to ensure that
these systems are designed so that they can be used in a
responsible manner and prevent excessive energy usage
patterns. In relation to fans, Spec J5.2a outlines energy
efficiency ratio and maximum energy consumption requirements
for ventilation systems delivering above 1000L/s air volume flow.
The criteria outlined in this section will be subject to on-going
review with the objectives of reducing allowable energy usage
and refining its practical application.
For more information refer to the Australian Building Codes
Board web site - .
ENVIRONMENT IMPACT RATING SCHEMES FOR
BUILDINGS
There are currently 2 accepted rating methods of tracking the
environmental impact of buildings in Australia:
O The Australian Greenhouse Rating scheme (ABGR)
The ABGR is a performance based rating scheme which
measures actual energy related greenhouse emissions
attributable to a building.
O The Green Star environmental rating scheme (Green Star)
Green Star is a design and construction based rating
scheme which takes a broader approach by measuring a
range of factors in a building such as energy and water
efficiency, indoor environment quality, resource
conservation, materials and transport.
Participation in these schemes is voluntary, however, many
authorities are now imposing a minimum ABGR in development
approvals for commercial buildings. In addition many
government departments require a minimum Green Star Rating
before they will occupy a commercial building as a tenant.
For more information refer to the Green Building Council of
Australia web site - .