Eiffage Construction Headquarters

Vélizy, France

Client: Eiffage Immobilier
Surface area: 10,800 sq m NSA
Cost of work : €31 M + Tax
Mandate: Design and oversight of works + interior design
Overview: 5-storey office block
Certification: NF Bâtiments tertiaires, HEQ and BBC Effinergie

The objective of Eiffage Immobilier was to create a building of offices certified NF-Tertiary building approach QHE engineering, following the Certification of Certification of December 2008 and the energy performance label BBC Effinergie 2005.

On the ground floor there is a lobby, a 150-seat business restaurant and a cafeteria, both with natural lighting and generous ceiling heights, the 129-seat auditorium and the 5 Modular training rooms for a workforce of 350 employees. The building also benefits from good resources in natural lighting, relating to QHE engineering requirements.

The technicality of roof means that it is covered with solar photovoltaic panels; the solar thermal collectors in the south facade cover 50% of the hot water needs of the inter-company restaurant. The project offers several types of façades which nonetheless present a harmony of dimensions, materials and colors. The nature of the envelope of the

The design of this building allows it to obtain a Cep (BBC) <50kWh ep / m building varies according to its orientation: triple glazing, ventilated facade or ventilated facade.² / year without photovoltaic energy production.

The interior heating is supported by a wood-fired boiler making this project achieve the environmental label.

Agency credits

Christophe Charon (Project director)
Beat Meier
Julie Lavergne
Marie-Hélène Paoli
Jean Blondel
Interior design
Laura Gelso (Project director)
Juliette Liberman Segretain
Justine Boidin
Ivonne Amran

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