
World Trade Center Antenna
New-York (USA)
Project Description
- Base and mast for a total of 750 tons of structural steel, with some components weighing up to 54 tons.
- Fabrication of the base of the mast and the imposing antenna located on top of the building with a total height of skyscrapers, including the antenna, reaching 1,776 feet (541.33 meters), symbolic of the signing of the Declaration of Independence of the United States.
- Specifications of the antenna:
- Height: 139.6 meters (458 feet)
- Larger diameter section at the base of the antenna: 5.5 meters (18 feet)
- Weight of the heaviest section: ± 54 tons
- The uppermost section is made entirely of stainless steel
- Because of their size, the sections of the antenna were shipped to New York by boat via the St-Lawrence Seaway.
Description of services provided
Fabrication Engineering
- Concept and design of the connections for the various sections of the antenna mast, including antenna and window washing davit supports.
- Coordination with the erection procedure, transportation and assembly while taking into account the stringent criteria for fabrication tolerances.







