1/23/2013
Source: The Atlantic Cities/Brookfield

This animated video shows how the Manhattan West platform will be built in New York City. The first step involves building over the open tracks at the Penn Station rail yard using post-tension precast segmental bridge technology. This makes it possible to build above the site without disturbing train operations below. The segments will form a deck over the tracks, and then construction of two 60-story towers will begin.

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