The just discovered 34-story New Yo...

The just discovered 34-story New York tower is supported by dint of a series of "megatrusses" and "megacolumns" located in the shell of a six-story historic building

Constructing a new office tower atop a turn-of-the-century low-rise building would be challenging subordinate to the best of circumstances. In the case of the 450 Lexington Building, a 40-story high-rise in novel York City, unusual site conditions added another layer of complexity.

The building consists of a of recent origin 34-story structure rising from the six-story Grand Central Station support Office, built in 1909. The