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The performance of 303 Sevenoaks St keeps improving month after month. It is another example of where a facilities manager actively uses the BMS, monitoring it and making changes when necessary, using Buildings Alive’s daily REF messages to check the results. In this post we profile the building and its performance, and highlight some of the changes that helped improve energy efficiency.

Building Bio

  • Modern office building
  • NLA: 20,837 m²
  • 4 Floors
  • Built 1992
  • Perth
  • Owner: Charter Hall
  • Commenced with Buildings Alive’s REF Service November 2016

A steady improvement story

Since the start of Buildings Alive’s Rapid Efficiency Feedback (REF) service, 303 Sevenoaks St has been receiving frequent good news. Compared to the baseline modelling period (Nov 2015 to Oct 2016) this building’s performance has steadily improved and is now hovering at 20% savings.

Strategies for success

The daily performance analysis and the technical support provided by Building Alive helps the facilities manager at 303 Sevenoaks St to try different efficiency strategies and check the results on the following day. Below are some of the success initiatives tried at 303 Sevenoaks St:

  1. Chiller lock out temperature setpoint: This was raised to 17.5°C during winter and spring, keeping the chillers off longer.
  2. Find and handle faulty temperature sensors: The BMS has a feature to work around faulty temperature sensors, keeping them from generating false cooling / heating calls.
  3. EDHs locked out: Leaving winter, Electric Duct Heaters were locked out in some areas of the building.
  4. Differentiated AHUs start times: Different start times were set up for centre and perimeter AHUs so some of them could start later than the others

A typical energy profile day in October at 303 Sevenoaks St, where the comparison with the REF expected profile (green line) shows the performance improvement.  The change on the start time, and the reduction in energy consumption after 6pm can also be identified.

Talk to our team about building efficiency!