City Gate House — AET Flexible Space

Case Study

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City Gate House

Finsbury, London, UK

AET’s system has formed a significant element of its refurbishment works, and has enabled the project team to maximise floor to ceiling heights.

Total Area

13000 m2

System
CAM-V - floor supply, high-level return

2002 ; 2020 Refurbishment

Originally designed by Frederick Gould and Giles Gilbert Scott, and built in 1930, City Gate House was later taken over by the media giant, Bloomberg.

AET’s CAM-C (floor supply floor return) underfloor air conditioning system was originally installed on the 1st, 2nd, 3rd, 4th and 5th floors as part of the buildings 2002 refurbishment works, which won the BCO Best Fit-Out of Workplace Award.

On the 1st, 2nd and 3rd floors, occupied by Bloomberg, a total of 30 CAM units were installed, located around the perimeter of each floor. These provided 24-hour cooling to the densely populated trading and office floors, which were served by AET’s standard TU4 Fantile units.

AET’s slimline Fantile units were installed on the 4th and 5th floors, sub-let to the Law Form Herbert Smith, which had a reduced finished floor height.

In early 2020 AET Flexible Space won the contract to re-supply its innovative, market-leading underfloor air conditioning system to the refurbishment of this landmark London building, thanks in part to AET’s close working relationship with both the M&E consultants, Hilson Moran, and newly appointed Architects Stiff & Trevillion, for 18 months prior.

AET’s system has formed a significant element of the refurbishment works, and has enabled the project team to maximise floor to ceiling heights.

In addition, the inherent flexibility of AET’s system has allowed the developers, Brookfield, to offer truly adaptable office space fit for 21st Century ways of working, thus
differentiating their market offering. During the design process the decision was made to incorporate AET’s underfloor system on both the lower ground and ground floors to ensure consistency of interior design aesthetic as well as mechanical services, taking to total area served to just under 13000m2.

Following the £60 million renovation, City Gate House will be served by a total of 55 CAM-V Conditioned Air Modules which in turn will be served by 55 high efficiency direct expansion condensing units. 838 Fantile units will be installed across the buildings 9 floors, which will supply cool or warm air from the void beneath the raised access floor.

AET’s unique Fantile units can be quickly and easily repositioned, making the system ideally suited for reconfiguration at the CAT-B stage.

Developer – Brookfields

Architect – Stiff + Trevillion

M&E Consultant – Hilson Moran

Quantity Surveyor – Exigere

Main Contractor – MACE

M&E Contractor – Essex Services Group PLC


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