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Beyond the 6 Star NABERS Barrier

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Energy Action smashed it at the 2018 CIBSE Building Performance Awards, winning Energy Management Initiative of the Year.

This is the second time Energy Action has been shortlisted for a Building Performance Award in the last 2 years. Matt Dopheide, Energy Action project manager of the Collin St Precinct had this to say of their win earlier this month:
 “It strengthens our relationship with our client, and will help us to promote our services to other potential clients. We take this award quite seriously as it reflects upon one of our major strengths and was awarded by a key industry body in CIBSE”

[Below is an extract from the 2018 Building Performance Awards winners' brochure detailing the project features and highlights]

Exceptionally robust energy management is at the heart of a remarkable building with 38,375m2 of lettable office space at Tower 3, 747 Collins St, Melbourne in Australia.

This impressive building was designed to achieve 5 stars in the National Australian Built Environment Rating System (NABERS), which is mandatory for many office developments in Australia and has driven a transformation in the performance of the commercial building stock. The Tower is one of five towers in the Collins Square precinct, one of the largest commercial precincts in Australia. It was first occupied in 2012 and subsequently rated at 5.5 stars in June 2014.

However, the building owner CIMB was determined not to stop there. The challenging task given to Energy Action, in partnership with Collins Square Management and CIMB, was to increase the performance of the building to at least 6 stars.

A 6 star building delivers market leading performance, producing just 50% of the CO2-equivalent emissions of an equivalent 5 star building and just 27% of the emissions of a current national average rating (3.7 stars).

This project has successfully achieved a cutting-edge 6 star rating without GreenPower for the 12 months to 30 September 2016, only the second multi-story office building to achieve this.

This was done by:

• Identifying building tuning opportunities through detailed analysis of the building management system.
• Facilitating the implementation of the recommendations, in collaboration with the site management and the incumbent BMS contractor, to ensure that those running the building understood how the systems were being operated.
• Monthly monitoring and reporting of base building performance and sub-systems.

Energy Action was also engaged by CIMB to install a 100kW solar photovoltaic system on the roof of the building. This was commissioned in early July 2016 and won the 2016 award for ‘Best Solar PV System Design and Installation’ from the Clean Efficiency Council of Australia.

The improvement at Tower 3 shows that, even in an already energy-efficient building significant energy efficiency improvements can be achieved. It also demonstrates the importance of the people as well as the systems and process in delivering truly high-performance buildings.

Energy Action is now involved in a number of projects with similar scope, for a range of clients. Sites that will be targeting 6.0 stars in the near future include:

  • Tower 1, Collins Square, 727 Collins St, Melbourne VIC
  • Nishi, 2 Phillip Law St, Acton ACT

Read more about this project on page 25 of the 2018 Building Performance Awards winners’ brochure or find out more about the other winners and how to enter the competition for 2019.

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