8 Finsbury Circus
Waterman was appointed by Stanhope/Mitsubishi Estate to provide structural consultancy services on 8 Finsbury Circus, a new 17,000m2 commercial property of remarkable architectural design situated in London’s Finsbury Circus.
The new building provides a column-free floor plate around a central concrete core, with clear façade-to-core dimensions of 16m. Lettable area on the site was maximised by demolition of an existing building on the site with inefficient floor plates around a central atrium and replacement with a new structure with two additional storeys, providing green roof and landscaped terracing which will offer attractive views over the affluent Finsbury Circus. A historic façade to South Place was partially retained and partially dismantled for reconstruction onto the new structural frame. There were interfaces with Crossrail and party walls with a grade 2 listed building to the West of the site (Britannic House).
The scheme retained two existing basement levels but rationalised a number of level changes in the sub-basement, providing level space for plant use and improving the overall efficiency of the basement. The lower ground level accommodates a balance of retail and office space and include a plant room.
The ground beneath the existing site was heavily congested with large under-reamed piles and Waterman used it’s skill in 3D finite element modelling to demonstrate the soil-structure interaction with the new foundation raft, this made full use of the existing foundations to enhance the new raft stiffness and provided an engineered foundation raft with minimal reinforcement.
60 Park Street
t: +61 3 9685 9900
31 Hunter Street
Sydney NSW 2000
t: +61 29 411 9900
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