Shoring
WTC3
EDC's Concrete Shoring Systems Help Revitalize World Trade Center
Project Overview
EDC provided concrete shoring equipment for 3 World Trade Center, one of Manhattan's tallest buildings and a defining piece of the World Trade Center's revitalized campus. Construction of WTC3 resumed in 2014 after years of delays; the reinforced concrete core was completed in 2016, and the full tower — rising 80 stories above Lower Manhattan — was completed and opened in 2018.
EDC's Role
EDC supplied and managed the concrete shoring systems used throughout WTC3's vertical construction. Our shoring equipment supported 145,000 cubic yards of concrete placed during the building's construction — a critical load-bearing role during one of New York City's highest-profile infrastructure restorations. EDC's systems operated in a complex, fast-tracked schedule coordinated around the active World Trade Center site
Notable Features
- 80-story tower — one of Manhattan's tallest buildings
- Distinctive K-shaped load-bearing beams
- Nearly column-free floor interiors
- Floor-to-ceiling glass curtain wall
- 44 elevators throughout the tower
- 145,000 cubic yards of concrete supported during construction
- Reinforced concrete core encased by steel structure
Design / Structural Elements
- Shoring systems supporting 145,000 cubic yards of placed concrete
- Coordinated shoring program for reinforced concrete core construction
- Integration with fast-track WTC campus construction schedule
- K-brace and column-free floor plate shoring requirements
Project Gallery
Shoring
EDC’s Concrete Shoring Systems Help Revitalize World Trade Center
EDC was the contractor selected to provide concrete shoring equipment for the 3 World Trade Center (3 WTC) building, the fifth tallest in Manhattan. Originally started in 2010, building was delayed due to lack of financial backers. Construction resumed in 2014, and the concrete core was finished in 2016. The 80-story building was completed in 2018.
Design Elements
The 3 WTC building has distinctive beams (shaped like the letter K) that zig-zag down the east and west faces of the tower. Although they appear to be decorative, these are actually load-bearing beams that support the weight of the floors. This allows each floor to be nearly column-free inside.
Shoring equipment provided the support between stories that made it possible for them to have extra height (13 feet 6 inches). The building’s more eye-catching details include floor-to-ceiling glass and column-free floor plates. From inside, the building occupants have unobstructed, panoramic views of New York City and beyond.
Structural and Functional Elements
The central core of 3 WTC is constructed of concrete, and the building has a total of 44 elevators. EDC’s concrete shoring systems supported a total of 145,000 cubic yards of concrete during construction. The reinforced concrete core is encased by a steel structure.
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