How much does the John Hancock building weigh?
How much does the John Hancock building weigh?
46,000 tons DESIGN & CONSTRUCTION HIGHLIGHTS At the peak of construction, more than 2,000 people worked on the project; some five million man-hours were required to complete the development. Enough steel to make 33,000 cars was used to make the frame, which took three years to complete and weighs 46,000 tons.
