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EY, the international audit firm, occupies more than half the total surface area of the Tour First in La Défense. To improve the wellbeing of its 4,600 employees, EY entrusted Tétris with the design and delivery of 3 skylobbies that can house up to a total of 150 people.
These multi-purpose spaces are used for both catering and co-working. Each of these skylobbies has been designed according to the restaurant it houses. The employees can go there to work as they please as each table is fully equipped with network and power connections. The space also contains mobile facilities including a conciergerie, a reception area, vending machines, an optician's and a physiotherapist.
The works, which lasted 6 weeks, were carried out while the premises were occupied, not to mention considerable high building (IGH) requirements and the 10 m high ceilings that made this nevertheless successful challenge even more difficult.