WTC structures are designed with safety in mind

11/15/2011 | Business Insurance (tiered subscription model)

Developers of the buildings being constructed on the World Trade Center site are using the lessons from the Sept. 11, 2001, terrorist attacks, which re-examine every aspect of its security and safety system. Core columns are reinforced; higher-density perimeter steel is used; wider pressurized stairwells are present; and sprinklers are protected by concrete. "We recognized two important challenges: that [building] codes would be changing; and our design needed to anticipate this and, in fact, exceed the potential code changes,” said Shari Natovitz, vice president of risk management for Silverstein Properties.

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