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Project Details
After carrying out a NABERS Base Building Energy rating in 2020 and achieving a 5 Star result, Benmax identified the building’s potential for further improvement. With a revised target for the building set at 5.5 Stars by client JGS Property, Benmax were engaged to expand on our existing mechanical service and maintenance agreement to carry out energy monitoring, and direct tuning and improvement activities.
Located in the heart of Canberra’s CBD and being home to ActewAGL, the primary local electricity and gas retail and distribution company, 40 Bunda Street is a 7,500 sqm seven storey commercial building comprising a combination of passive chilled beams and variable air volume air handling systems. Mechanical services are controlled by a Delta Building Automation Building Management System (BMS).
Optimisation and monitoring activities commenced late in 2020, already part way through the next NABERS rating period, so the team had some ground to gain in order to get on track to achieve the 5.5 Stars rating. To help accelerate the process and gain more detailed insights into building operations, Benmax deployed the analytics platform, PEAK, by CIM. The analytics helped to inform, monitor, and verify improvement activities.
Opportunities identified included a reduction in unnecessary outside air supply (maximising use of the existing CO2 monitoring system), tuning chilled water enable set points, and general tuning of deadbands and heating/cooling set points.
The next target for the building is to extend the lead over and above the 5.5 Star benchmark, securing the rating for another year. A key component to the success of this project was the collaboration in workflows between Facilities Management, BMS maintenance, and Benmax’s mechanical maintenance teams each bringing a unique but necessary aspect to the building’s performance improvement.
HVAC design specialists since 1986. Best practice is our standard.
We design, build and maintain specialised mechanical systems for commercial and industrial facilities to provide healthy, safe and efficient indoor environments for people to live, work and play. We’ve spent three decades building our reputation. We’ve done that by doing a good job, and getting another job.
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We wish to acknowledge the Ngambri people, traditional custodians of the beautiful land on which our Headquarters resides.
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