Proactive collaboration between Cushman & Wakefield and Carbon Credentials enabled a wide range of savings to be implemented

It is widely acknowledged that no matter how well managed a building is, there remain untapped opportunities to optimise performance and reduce energy consumption. This applies to the majority of both modern and older buildings.

Collaborative working is needed to optimise building controls and unlock verifiable savings.

To achieve this, Carbon Credentials has developed the Collaborative Asset Performance Programme (CAPP). This case study outlines the savings achieved using the CAPP at the Corn Exchange in Manchester; a complex of 16 restaurants and managed by Cushman & Wakefield.

Background

The Corn Exchange in Manchester is a Grade II listed building that was converted to restaurants in 2015. Following the conversion, Cushman & Wakefield identified energy consumption was much higher than expected. After initial investigations, it was agreed that the Collaborative Asset Performance Programme (CAPP) from Carbon Credentials would be the right next step.

Through an in depth analysis of the building management system and identification of core landlord loads, the CAPP was able to confirm the main energy consuming plant and identify areas of energy waste.

Process

The CAPP included optimising the building’s technology whilst engaging operations, facilities management, M&E contractors and the BMS service provider. The Corn Exchange site team and Cushman & Wakefield were key to bringing all parties together effectively.

Information from a Data Acquisition Device, site audits and collaboration with the teams, produced a list of agreed changes to achieve energy and cost savings.

Outcome

Immediate changes to the BMS settings resulted in a significant reduction in the runtimes for chillers and air handling units. In February to May 2017, measured landlord energy consumption was 42% lower than the previous year, showing the immediate impact of the CAPP changes. Savings are not expected to be as high for the full year, but the minimum quantified forecast saving is £91,000.

With the building now optimised, Carbon Credentials is monitoring the site remotely using the BMS data and reporting automatically to Corn Exchange and Cushman & Wakefield. This allows issues and faults to be quickly identified and rectified, avoiding impacts on the tenants and potential plant damage. This will save significant amounts of energy and cost in 2017 and beyond.

If you are looking to close the energy performance gap across your building portfolio, contact us. To read more about our Assured Performance services, click here.

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