Tower crane installed 26 floors up

As part of the modernisation works of the Adria tower, renamed the Hopen tower, in the business district of Paris, France, Eiffage Construction installed a crane with a 222 metre jib reach.

The tower crane was installed on the terrace of the 26th floor of the tower using a 750-tonne mobile crane (Photo: Eiffage Construction)

It was installed on the terrace of the 26th floor of the tower using a 750-tonne mobile crane equipped with an 84 metre variable boom, which was itself put in place using three other mobile cranes.

Designed by the architecture firm Ateliers 2/3/4, accompanied by Orfeo Développement as delegated project owner, the project aims to contribute to give a new dynamic to the business district.

The building, built in 2002, has been redesigned to make it a mixed-use tower for the area.

Raising the tower

The project’s work, carried out by Eiffage Construction and Goyer alongside the companies Phibor and Lefort-Franccheteau, will include the restructuring and raising of the tower.

Raised by three levels and equipped with a lateral extension on 26 levels in metal structure, its floor area will increase from 61,000 m² to nearly 66,000 m² and will be able to accommodate 7,400 people.

High standards

In order to meet the best international standards, this project, which will use the reuse elements from the existing tower.

Lasting 25 months, the works will be completed in the third quarter of 2024.

Eiffage Construction has intervened several times in recent years in the business district of Paris, known as La Défense, both in new construction with the construction of the Majunga Tower and in renovation with the Carré Michelet complex, the Window building, the Pascal Towers and the Grande Arche.