Image preview - Hudson Yards Aerial View - October 2018
Final Piece
The last "dog bone" of the climbable monument is put in place.
Image - Vessel Topping Out - Putting Final Piece in Place
Topping Out
The final beam begins its ascent to top out 30 Hudson Yards, the tallest tower at Hudson Yards.
Image preview - 30 Hudson Yards Topping Out - Beam Begins Ascent
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Building Hudson Yards

Hudson Yards has changed the city’s iconic skyline. Unprecedented and ongoing investment marks Hudson Yards as the nation’s largest private development, and one of the most complex construction projects in the history of New York.

A PLATFORM FOR SUCCESS

Constructed on 28- acres over a working rail yard, two “platforms” bridge over 30 active train tracks, three rail tunnels and the new Gateway Tunnel.

300 caissons support the platforms and buildings. The caissons (four to five feet in diameter and 20 to 80 feet in depth) are drilled deep into the bedrock between existing tracks. Finished towers extend from the caisson foundations, through the platforms, and then rise skyward.
This eastern portion of the platform used 25,000 tons of steel, 14,000 cubic yards of concrete and weighs more than 35,000 tons.

Caisson drilling began in March 2014 and the platform was completed the following year. Throughout construction the trains have remained operational, and the new No. 7 subway extension opened at Hudson Yards in 2015.

Learn more: Understanding the Platform (PDF)
Discover: Hudson Yards: The Engineered City (PDF)

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