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World Trade Center Transportation HUBNew York, NY

New York, NY, United States – 14,000 tons


Port Authority of New York and New Jersey


DCM Erectors


Santiego Calatrava


Thornton Tomasetti

This contract includes connection design and engineering, supplying steel, and the fabrication of oversized components weighing up to 100 tons each and of highly complex architectural elements, all according to rigorous specifications.
– Standards for bridge welding (fracture critical)
– Complex lamellar super-columns
– Very heavy transfer beams
– Trial assembly of components measuring 6.1 m x 9.1 m x 70.1 m
– Strict standards for tolerances, aesthetics, and quality

Note: The steel components fabricated for this contract were installed underground and, since their installation, most are not visible.