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Kingdom Centre

Coordinates: 24°42′41″N 46°40′28″E / 24.7113°N 46.6744°E / 24.7113; 46.6744
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Not to be confused with Jeddah Tower or Kingdom Shopping Centre.

Kingdom Center
مركز المملكة
The tower at night in 2007
Kingdom Centre is located in Saudi Arabia
Kingdom Centre
Location within Saudi Arabia
Alternative namesRiyadh City Center
Record height
Tallest in Saudi Arabia from 2002 to 2012[I]
Preceded byAl Faisaliah Tower
Surpassed byThe Clock Towers
General information
StatusCompleted
TypeCommercial offices
Residential condominiums
Hotel
Architectural styleModernism
LocationKing Fahad Road Saudi Arabia
Coordinates24°42′41″N 46°40′28″E / 24.7113°N 46.6744°E / 24.7113; 46.6744
Construction started1999
Completed2002
CostSR 1.7 billion (US$453 million)
Height
Architectural302.3 m (991.80 ft)
Top floor290.4 m (952.76 ft)
Observatory290.4 m (952.76 ft)
Technical details
Floor count41
Floor area185,000 m2 (1,991,323 sq ft)
Lifts/elevators45
Design and construction
Architect(s)Ellerbe Becket
DeveloperKingdom Holding Company
EngineerArup
Main contractorEL-Seif Engineering Contracting & Salini Impregilo (Webuild)
References
[1][2][3][4]
Daytime view of Kingdom Centre

Kingdom Centre (Arabic: مركز المملكة), formerly Kingdom Tower, is a 41-story, 302.3 m (992 ft) skyscraper in the al-Olaya district of Riyadh, Saudi Arabia. When completed in 2002, it overtook the 267-meter (876 ft) Faisaliyah Tower as the tallest tower in Saudi Arabia. It has since been surpassed and, as of 2021, is the fifth-tallest skyscraper in the country, whose tallest two buildings are the Abraj Al Bait Towers and the Capital Market Authority Tower. It is the world's third-tallest building with a hole after the Shanghai World Financial Center and the 85 Sky Tower in Taiwan. It contains the King Abdullah Mosque, which is the world's most elevated mosque from ground level.

The tower was developed by Prince Al-Waleed bin Talal,[5] and designed by the team of Ellerbe Becket and Omrania, who were selected through an international design competition.[6] It is situated on a 100,000–square-metre site and houses the 57,000-square-meter Al-Mamlaka shopping mall, offices, the Four Seasons Hotel Riyadh,[7] and luxury apartments. There is a 65m skybridge atop the skyscraper.[8][9]

The upper third of the tower features an inverted parabolic arch topped by a public sky bridge.[9] The sky bridge is a 300-ton steel structure, taking the form of an enclosed corridor with windows on both sides. After paying the admission fees, visitors take two elevators to reach that level.[10]

Design

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The Kingdom Centre was designed by the US-based architecture firm Ellerbe Becket in a joint venture with the Riyadh-based architecture and engineering firm Omrania and Associates. The building is composed of a tower and a podium comprising two symmetrical wings. The tower's almond-shaped plan and curving forms gives the building a distinctive shape that helps keep it cool, with the narrow ends facing the east and west where heat gain is greatest. A high-performance curtain wall, made from silver, butt-jointed reflective glazing, also helps control heat gain while concealing the three main mechanical floors to create a seamless facade.[9]

At the top of the tower, an inverted arch is spanned by a glass skybridge housing a public observation deck.[11] The large opening allows the building to rise higher than the height limit—30 occupied floors—mandated by local laws. Its design was inspired by iconic structures from around the world, including the Gateway Arch in St. Louis, The Sydney Harbour Bridge, and the Eiffel Tower.[12]

From base to top, the tower house 13 floors of offices, 10 stories of hotel, five stories of luxury apartments, and additional office space at the top.[13] The East wing of the podium houses the Al-Mamlaka shopping mall, which features more than 150 stores divided across three levels - the first targeted to young people, the second to fashion and furnishings, and the third level is reserved for women.[14] The West wing houses event and entertainment spaces.

Structure

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The Kingdom Center is built on a four-meter-thick, 3,100-square-meter raft foundation.[15] Its structure consists of two systems: reinforced concrete columns, beams, and core for the first 180 meters, and a tubular steel frame structure for the building's remaining height.[9][15]

Mechanical systems

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A multi-part mechanical system was created to accommodate the building's mixed-use program. The tower is cooled by a central chilled water plant, supported by a thermal energy storage system that provides 5,000 tons of cooling capacity. This storage system is used during the hottest hours of the day, allowing the building to shift cool-air production to off-peak hours when electrical demand is lowest.[12]

The podium structures are served by separate mechanical systems designed to accommodate the needs of the building's unique programs. Systems used to cool these spaces include variable air volume, constant volume, and fan coils.[12]

See also

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Similar towers

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Other towers

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References

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  1. ^ "Kingdom Centre". CTBUH Skyscraper Center.
  2. ^ "Emporis building ID 100934". Emporis. Archived from the original on 4 March 2016.{{cite web}}: CS1 maint: unfit URL (link)
  3. ^ "Kingdom Centre". SkyscraperPage.
  4. ^ Kingdom Centre at Structurae
  5. ^ Khan, Riz (2005). Alwaleed, Businessman Billionaire Prince. New York: HarperCollins. pp. 139–141. ISBN 9780060850302.
  6. ^ "Kingdom Centre - The Skyscraper Center". www.skyscrapercenter.com. Retrieved 23 January 2019.
  7. ^ "Four Seasons Hotel Riyadh at Kingdom Centre, Riyadh, Saudi Arabia - Hotel Review". Condé Nast Traveler. Retrieved 9 May 2019.
  8. ^ "Kingdom Centre | Sky Bridge". Archived from the original on 25 October 2018. Retrieved 23 January 2019.
  9. ^ a b c d Binder, Georges (2006). Tall Buildings: Of Europe, the Middle East and Africa. Images Publishing. p. 212. ISBN 1876907819. Retrieved 20 June 2013.
  10. ^ "Sky Bridge". Official site. Archived from the original on 25 October 2018. Retrieved 25 October 2018.
  11. ^ "The Sky Bridge at Kingdom Centre".
  12. ^ a b c Commemorative Publication: Kingdom Centre. Al Hilal Group. 2002. p. 65.
  13. ^ "Kingdom Center". Omrania. Retrieved 9 May 2019.
  14. ^ "Al Mamlaka at Kingdom Centre". www.stirarchitecture.com. Retrieved 9 May 2019.
  15. ^ a b "Kingdom Centre". Architect Magazine. 19 November 2018. Retrieved 23 January 2019.
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Records
Preceded by Tallest building in Saudi Arabia
2002 – 2010 		Succeeded by
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