The redevelopment of Manhattan’s Ground Zero moves one step closer to conclusion today with a ribbon cutting at 3 World Trade Center (WTC), the third office tower to be completed on the 16-acre WTC site. At 1,079 feet, the 80-story glass skyscraper, designed by Rogers Stirk Harbour + Partners and developed by Silverstein Properties, will rank as the second tallest in the WTC complex (behind Skidmore, Owings & Merrill’s One WTC), and the fifth tallest in the city.
The reportedly $2.7 billion, 2.5 million-square-foot project features a stepped shaft that rises from a 250-foot podium. It has a robust structure that includes a reinforced concrete core—with walls that are 5 feet thick at the base—and a steel load-sharing system around the perimeter. On the east and west facades, vertical K-bracing provides extra stiffness, according to Rogers Stirk + Harbour partner Richard Paul. This expressed structure makes 3 WTC appear relatively brawny compared to its immediate neighbor, the more visually quiet 4 WTC designed by Maki and Associates.
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