SCI Bayen Litwin Puteaux (92)

SCI Bayen Litwin

Client aFire safety systemssted by

DGM & Associés
Suprem Architecture

Construction company

Progress/Delivery date

Surface area
12 000 m²

Construction cost
€27,6M excluding tax (value date 2016)

Scope of services

  • Structure
  • Construction economics
  • Electricity
  • Fluids
  • High Environmental Quality
  • Roadworks and various networks
Learn more


Conversion of an office and retail building into hotel and tourist accommodation. After being raised by 2 storeys, the building's floor area will increase from 8,602 m² to 9,658 m².
The hotel comprises 211 rooms, meeting rooms, two bar/restaurants (on the ground floor and on the 14th floor), a foyer and a 58-space car park.

Technical characteristics

Restructuring involves demolishing/reconstructing the existing stairwells.
The invert is reinforced by micropiles installed below the water table. 
Creation of an additional lift for the rooftop on the 14th floor.
Production of hot water and chilled water by district heating and cooling.
Heating and air-conditioning of bedrooms by 4-pipe fan coil units.
Sprinklers for the car park levels, ground floor and meeting rooms.

Environmental characteristics

BREEAM International 2015 VERY GOOD environmental certification.
2012 thermal regulations.