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A Look Back: 7 World Trade Center Tops Out


The final beam is raised
Photo © Ramin Talaie

Back on October 21, Tishman Construction topped out the steel for 7 World Trade Center, the last of the buildings at Ground Zero to collapse on September 11, 2001. 7 World Trade Center is the first building on the site to be rebuilt.

The 750-foot tall, 1.7 million-square-foot building was designed by David Childs of Skidmore, Owings and Merrill. The original building, designed by Emery Roth & Sons, stood 641 feet tall, but contained more floor space than the new building, which is narrower to accommodate a restored street. The original building was completed in 1985 as an addition to the World Trade Center complex.

The original building’s collapse also destroyed an electrical substation that was housed in the base of the building. The need to replace that power station hastened construction for 7 WTC, which was not a part of the master plan competition.

The new building will have a dense, two-foot thick concrete core as well as the steel structure. The stairs, which will be contained in the core, will be 20 percent wider than those in the original building, and the staircase will be pressurized.

Larry Silverstein, the developer who holds the commercial lease for the World Trade Center, has yet to find any tenants for the new building.

Kevin Lerner

 

 

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