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One World Trade Center

At a symbolic height of 1,776 feet, One World Trade Center provides and inspirational and enduring landmark in the New York City skyline. The tower's footprint of 200 feet by 200 feet is the same size as the original Twin Towers.

One World Trade Center

The new tower's design is unprecedented in terms of life safety and security. And, in addition to its iconic design, One World Trade Center provides a world-class model of energy efficiency and environmental sustainability. It is the tallest building in the Western Hemisphere.

The building features a 104-story steel-frame, concrete-core structure. The overall height commemorates the year the Declaration of Independence was signed, while the 1,368-foot roof height matches that of the original Twin Towers.

One World Trade Center marked the first time that a building in New York City used concrete with a compressive strength of 14,000psi. It is the first structure with specified dual requirements for both concrete strength and stiffness.

WSP USA is also providing structural engineering services for 2, 3 and 7 World Trade Center, as well as the National September 11 Memorial and Museum.