Arraya Tower vs Willis Tower

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The Arraya Tower is a skyscraper completed in 2009 in Kuwait City, Kuwait.

The tower serves as a grade-A office construction. With sixty storeys, and 300 metres high (using a 45-metre spire), the building was the tallest tower in Kuwait until the construction of Al Hamra Tower in 2011. On January 19, 2010, The Council on Tall Buildings and Urban Habitat (CTBUH) announced that Arraya Tower was the 4th-tallest building completed in 2009. Curtis W. Fentress, FAIA, RIBA, of Fentress Architects, was the primary architect of the building, and Ahmadiah Construction was the primary contractor.



The tower complements the Present 130-metre-high Arraya Tower housing offices and the Courtyard by Marriott hotel, as well as the upscale Arraya Shopping Mall and the Arraya Ballroom. Building on the tower began in February 2005, with occupation scheduled for February 2009. As of August 22, 2008, the tower was topped out and the superstructure was complete. Exterior cladding, consisting of white marble, green glass and steel rods, was largely complete. Interior works were well underway and wrapped up in early 2009 in time for the tower's opening.

Source: Wikipedia

Informations

The Willis Tower (formerly and informally: Sears Tower, its title until 2009) is a 110-story, 1,450-foot (442.1 m) skyscraper in Chicago. At completion in 1973, it surpassed the World Trade Center in New York City to become the tallest building in the world, a title that it held for nearly 25 years; it was also the tallest building in the Western Hemisphere for 41 years, before the new One World Trade Center surpassed it in 2013. While it held the title of'Tallest Office Building' before 2013, it dropped the title of'Tallest Man-Made Construction' after only 3 decades. The CN Tower in Toronto, which functions as a communications tower, took over the title in 1976. The Willis Tower is considered a seminal accomplishment for engineer Fazlur Rahman Khan. It is currently the third-tallest construction in the USA and the Western hemisphere -- and the 23rd-tallest in the world. Annually, several million people visit its observation deck, the highest in the USA, which makes it one of Chicago's most popular tourist destinations. The arrangement was renamed in 2009 by the Willis Group as a term of its lease. As of April 2018, the building's largest tenant is United Airlines, which moved its corporate headquarters in 77 West Wacker Drive (then the United Building) in 2012, occupying around 20 flooring. Other major tenants include the building's namesake Willis Towers Watson and law firms Schiff Hardin and Seyfarth Shaw. Morgan Stanley plans to move into the construction in 2019 and become its fourth-largest tenant by 2020.

Source: Wikipedia