Two World Trade Center
Encyclopedia
Two World Trade Center (also known by its street address, 200 Greenwich Street) is an 88-story skyscraper
Skyscraper
A skyscraper is a tall, continuously habitable building of many stories, often designed for office and commercial use. There is no official definition or height above which a building may be classified as a skyscraper...

 under construction as part of the new World Trade Center
World Trade Center
The original World Trade Center was a complex with seven buildings featuring landmark twin towers in Lower Manhattan, New York City, United States. The complex opened on April 4, 1973, and was destroyed in 2001 during the September 11 attacks. The site is currently being rebuilt with five new...

 complex in Lower Manhattan
Lower Manhattan
Lower Manhattan is the southernmost part of the island of Manhattan, the main island and center of business and government of the City of New York...

 of New York City
New York City
New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

. The tower will be located in the northeast corner of the 16 acres (6.5 ha) World Trade Center site, where the former 5 World Trade Center stood, with the original 2 WTC offset to the southwest. When completed, 2 WTC will be the second–tallest skyscraper on the World Trade Center site
World Trade Center site
The World Trade Center site , also known as "Ground Zero" after the September 11 attacks, sits on in Lower Manhattan in New York City...

 and the second–tallest in New York City, following One World Trade Center.

Planned layout

2 WTC will have a height of 1,270 feet (387 m), with a tripod-shaped antenna that allows the building to reach a total height of 1,350 feet (411 m). In comparison, the Empire State Building
Empire State Building
The Empire State Building is a 102-story landmark skyscraper and American cultural icon in New York City at the intersection of Fifth Avenue and West 34th Street. It has a roof height of 1,250 feet , and with its antenna spire included, it stands a total of 1,454 ft high. Its name is derived...

's roof at the 102nd floor is 1,250 feet (381 m) tall, and its antenna is 1,472 ft (448 m), and the original 2 World Trade Center (often referred to as the "South Tower") was 1,362 feet (415 m). The structural engineer for the building is WSP Cantor Seinuk, New York City. The Curtain Wall/Cladding consultant for the building is Permasteelisa SPA. The tower will consists of 60 office floors, 4 trading floors, 5 retail levels, and 11.5 mechanical floors. The total floor space of 200 Greenwich Street is anticipated to include 2.4 million square feet (220,000 square meters) of office space and another 130,000 square feet (12,000 square meters) for retail shops and access areas to the underground PATH
Port Authority Trans-Hudson
PATH, derived from Port Authority Trans-Hudson, is a rapid transit railroad linking Manhattan, New York City with Newark, Harrison, Hoboken and Jersey City in metropolitan northern New Jersey...

 railway.

Design

Designed by Foster and Partners
Foster and Partners
Foster + Partners is an architectural firm based in London. The practice is led by its founder and Chairman, Norman Foster, and has constructed many high-profile glass-and-steel buildings....

, London
London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

, Two World Trade Center wears a mostly glass facade. There is an indentation along the center of each side of the building, giving the impression of four distinct blocks. The top of the tower is sheared off at an angle, creating a sloping roof which consists of four diamonds inclined toward the memorial park. These will provide a visual marker on the skyline of just where the original twin towers stood. In order to incorporate WTC master planner Daniel Libeskind
Daniel Libeskind
Daniel Libeskind, is an American architect, artist, and set designer of Polish-Jewish descent. Libeskind founded Studio Daniel Libeskind in 1989 with his wife, Nina, and is its principal design architect...

's "wedge of light" concept, the shape of the tower was pulled back from the street so that every September 11th, it will cast no shadow on the memorial park.

200 Greenwich Street is designed to be both safe and environmentally friendly, as are all the other towers in the new WTC complex. Security features include extra-wide, pressurized, and filtered stairwells, reinforced steel and concrete throughout, a central concrete core protecting the stairwells, elevators, and plumbing systems, emergency lighting, and glow-in-the-dark
Phosphorescence
Phosphorescence is a specific type of photoluminescence related to fluorescence. Unlike fluorescence, a phosphorescent material does not immediately re-emit the radiation it absorbs. The slower time scales of the re-emission are associated with "forbidden" energy state transitions in quantum...

 paint. The building is also expected to attain a Leadership in Energy and Environmental Design
Leadership in Energy and Environmental Design
Leadership in Energy and Environmental Design consists of a suite of rating systems for the design, construction and operation of high performance green buildings, homes and neighborhoods....

 (LEED) Gold Certification.

Construction

2 WTC foundation work began on June 1, 2010 and should last until late 2011. As of August 2011, the sub-grade structural steel erection has begun along with two cranes active on site. 2WTC is expected to be complete to street level by mid-2012.

Future

Two World Trade Center was originally scheduled to be completed sometime between 2011 and 2014. According to the current schedule, the tower will be built to street level by mid-2012, with Silverstein Properties planning to continue with construction as the rest of the World Trade Center site
World Trade Center site
The World Trade Center site , also known as "Ground Zero" after the September 11 attacks, sits on in Lower Manhattan in New York City...

 develops and attracts more office tenants. As of the beginning of 2011, the Port Authority's One World Trade Center has one major tenant expected to sign, Conde Nast
Condé Nast Publications
Condé Nast, a division of Advance Publications, is a magazine publisher. In the U.S., it produces 18 consumer magazines, including Architectural Digest, Bon Appétit, GQ, The New Yorker, Vanity Fair, and Vogue, as well as four business-to-business publications, 27 websites, and more than 50 apps...

, and more are expected to follow. Should more companies start to take an interest in the towers, work on 2 World Trade Center will likely be finished sooner rather than later. However, the current finish date for this building is 2015.

On March 25, 2010, the Port Authority released plans to build Two and Three World Trade Center to street level. The transit and retail podium at the 175 Greenwich Street site would be constructed immediately, the construction of Tower 3 will start while Silverstein Properties obtains financing for the remaining cost of the tower.

External links

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