Civil Unions: How the Ironworkers and Carpenters Teamed Up at 7 World Trade Center and Changed the Way We Build
The city’s ironworkers and carpenters have never much gotten along. Falling somewhere between rival sports teams and armies at war, the construction unions responsible for the city’s tall buildings rarely work together—office buildings are made from steel, apartments from concrete (which is poured by the carpenter’s union). “Is there ego? There is certainly pride amongst these unions, and not a little competition,” said Gary Higby director of industry development at the Steel Institute of New York, a trade group.
But 9/11 changed that, or at least the rebuilding of 7 World Trade Center did. It was not simply a matter of camaraderie but also necessity. “Obviously, what you had to do after 9/11 was address the fundamental question of how are we going to create buildings that are as safe as can be in a post-9/11 world,” said Janno Lieber, president of World Trade Center Properties at Silverstein Properties. “The concrete core was probably the single most important of hundreds of safety innovations at 7 World Trade Center that went beyond code. It was a huge step forward for safety and structural robustness.” Read More