Hudson Yards Construction All You Need To Know

Hudson Yards Construction All You Need To Know


Hudson Yards is the largest private real estate
project in the United States that made its debut earlier this year. Tall skyscrapers,
apartment buildings, office buildings, shopping malls; theyíre all a part of the Hudson Yards. 300 caissons support the platforms and buildings
of the Hudson Yards area. Caissons, which are four to five feet in diameter and 20 to
80 feet in depth, are drilled deep into the bedrock between existing railroad tracks.
Finished towers extend from the caisson foundations, through the platforms, and then rise skyward.
When drilling in an active railyard that functions as the hub for the busiest commuter rail in
the country, every minute counts. Thatís why it was crucial to carry out pre-production
load tests to justify shorter rock sockets and reduce the drilling times. In NYC, caissons
are typically designed with the cityís building codeís presumptive maximum allowable skin
friction of 200 psi in rock. Nine caisson load tests with instrumented Osterberg cells
were conducted across the railyards and in several types of bedrock of variable quality
including in schist and granite. 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. With 28 acres and 18 million square feet,
Hudson Yards is the largest private development in the US. The tallest building of this megaproject
is the complex 30 Hudson Yards or the North Tower, an office tower that stands 1296 feet
in the air. The building has an observation deck on the 100th floor which also happens
to be the highest manmade outdoor viewing area in the western hemisphere and the fifth
highest in the world. The deck was fully assembled in Italy before it was broken down again into
smaller sections in order to be transported to New York City. These sections vary in size
from 35,000 pounds to 102,000 pounds. When fully assembled, the deck weighs 765,000 pounds.
Whatís more, the weight of the sections and height of the construction required two cranes
to lift each piece and secure it into its place. The observation deck is made of 15
sections made of glass and steel. Steel was fabricated in Italy while structural glass
was made in Germany, granite paver stones in Virginia while the cut was finalized in
Quebec. This means that construction of observational deck on 30 Hudson Yards is an international
endeavor. Every building in the Hudson Yards complex
require tons of materials to be used and cutting-edge technology for optimum results. For instance,
35 Hudson Yards or Tower E required 80,000 pounds of weld material. The construction
team switched to Lincoln Electric Innershield NR-555 which tripled production rates. Yet another construction in Hudson Yards gained
a lot of attention lately. The Vessel, an art piece, is comprised of 154 interconnecting
flights of stairs. The construction has about 2500 individual steps and 80 landings. Although
the name of the Vessel is highly likely to change, its story will not. After the commission
for the project was awarded to the British-based designer Thomas Heatherwick the developer
went to extreme lengths in keeping the design a secret. For example, 20-foot fence was constructed
around the steelworks in northwest Italy where the bones of the Vessel were being constructed
so that no one could see what the design was going to be. Bit by bit, parts of it were
brought to the U.S. and floated to the construction site via tugboat along New York’s Hudson River. Hudson Park is not just about tall buildings.
The area also has a green space with 200 old trees and 28,000 plants.

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