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Duo-1 climbs to 180m in the East of Paris

On the image of Pise Tower in Italy, DUO Towers have an inclination angle of 5 °. The highest culminates at 180m on the eastern parisian skyline. The second tower measures 122 meters.

ArcelorMittal Solutions Fire
Heavies High strengh
Columns  HD      


HD Columns

No less than 1000 tonnes of HD columns, IPE and HEA joists were manufactured by the Steligence® fabrication centre for these iconic towers and the supply of all composite decking.

DUO-1: from the sixteenth to the twenty fifth floor

Added Value

Thanks to ArcelorMittal engineering team, solutions have been found for:

  • Steel framework cost optimisation
  • Withdrawn of holes reinforcement on joist beams

Number of Floors: 39 floors (DUO-1) 28 floors (DUO-2)
Gross floor area: 96.550m²
Building Function: joint project: offices, hotel, bank headquarters
Structural material: steel/concrete
Completion: 2021
Structural Engineer: ARTELIA
General Contractor: BATEG (VINCI subsidiary corporation)
Architect: Jean Nouvel Ateliers Jean Nouvel
ArcelorMittal Steel: HD columns, 1000 tonnes of IPE joists & HEB beams, Cofraplus© 60 floor deck
Energy label: BBC-Effinergie; LEED Platinum BD+C: New Construction; NF HQE Bâtiments Tertiaires Exceptionnel