Burj Rafal

Time: February 27, 2019

General information
Type Mixed use; Residential, Commercial Office, Hotel, Serviced Apartments[1]
Architectural style Modernism
Location Riyadh, Saudi Arabia
Coordinates 24°47′32″N46°37′56″E
Construction started May 2011[2]
Completed 2014
Opening June 2013[3]
Management Stefan Kaminski[4]
Height
Roof 308 m (1,010 ft)[5]
Technical details
Structural system Concrete and Steel, Glass façade [1]
Floor count 70 total floors with 68 above ground and 2 below ground[1] and about 17 floors with hotel rooms[6]
Design and construction
Architect P&T Group
 
Burj Rafal (Arabicبرج رافال) is a skyscraper hotel in Riyadh, Saudi Arabia.[7] It opened in January 2014, its 70 floors constructed on an exclusive 20,000 sqm plot. 
 The skyscraper has about 350 rooms and is the tallest residential building in Riyadh. It is also one of the tallest hotels in the world. The building had a total cost of about $320 million.

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Kingdom Centre

Time: February 27, 2019

Location within Saudi Arabia

Alternative names Riyadh City Center
General information
Status Complete
Type Commercial offices
Residential condominiums
Hotel
Architectural style Modernism
Location King Fahad Road
RiyadhSaudi Arabia
Coordinates 24°42′41″N 46°40′28″E / 24.7113°N 46.6744°ECoordinates24°42′41″N 46°40′28″E / 24.7113°N 46.6744°E
Construction started 1999
Completed 2002
Cost SR 1.7 billion (US$453 million)
Height
Architectural 302.3 m (991.80 ft)
Top floor 290.4 m (952.76 ft)
Observatory 290.4 m (952.76 ft)
Technical details
Floor count 41
2 below ground
Floor area 185,000 m2 (1,991,323 sq ft)
Lifts/elevators 45
Design and construction
Architect Ellerbe Becket
Omrania and Associates
Developer Kingdom Holding Company
Structural engineer Arup
Main contractor EL-Seif Engineering Contracting

Kingdom Centre (Arabicمركز المملكة‎) is a 41-storey, 302.3 m (992 ft) skyscraper in Riyadh, Saudi Arabia. When completed in 2002, it overtook the 267-meter Faisaliyah Tower as the tallest tower in Saudi Arabia. It has since been surpassed and is now 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.

The mixed-use 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

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. 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.[11]

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.[12]

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.[13] The West wing features houses event and entertainment spaces.

Structure

The Kingdom Center is built on a four-meter-thick, 3,100-square-meter raft foundation.[14] 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][14]

Mechanical System

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 lost.[11]

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 volumeconstant volume, and fan coils.

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Al Majdoul Tower

Time: February 27, 2019

RIYADH – January 12: Majdoul Tower on January 12, 2019, in Riyadh, Saudi Arabia. Majdoul Tower is a twisted skyscraper in Riyadh, Saudi Arabia, the eighth-tallest twisting tower in the world.

General information
Status Complete
Type Offices
Location RiyadhSaudi Arabia
Coordinates 24°44′21″N 46°39′33″E / 24.7391°N 46.6593°ECoordinates24°44′21″N 46°39′33″E / 24.7391°N 46.6593°E
Construction started 2012 July
Completed Under Construction
Cost 400,000,000 SR
Owner Awtad Real Estate
Height
Tip 400 m (1,300 ft)
Technical details
Floor count 54
Floor area 1592
Lifts/elevators 24
Design and construction
Architect Zeidler
Structural engineer Halsall
Main contractor UNEC for concrete works, No main Contractor

Majdoul Tower (Arabicبرج مجدول) is a 50-story tower,[1] still under construction, is a twisted skyscraperin RiyadhSaudi Arabia, the eighth-tallest twisting tower in the world.

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Al Faisaliyah Center

Time: February 27, 2019

Location within Saudi Arabia
General information
Type Multi purpose, Residential, Office, Retail.
Location RiyadhSaudi Arabia
Coordinates 24°41′25″N 46°41′07″E /24.69028°N 46.68528°ECoordinates24°41′25″N46°41′07″E /24.69028°N 46.68528°E
Construction started 1998
Completed 14 May 2000
Cost 800 million$
Height
Roof 267 m (876 ft)[1]
Top floor 195.0 m (640 ft)
Technical details
Floor count 44 (30 above ground)
Lifts/elevators 44
Design and construction
Architect Foster & Partners
References
[2]

The Al Faisaliyah Centre (or Al Faisaliah CentreArabic: برج الفيصلية‎) is a commercial skyscraper located in the business district of RiyadhSaudi Arabia. It is the fourth tallest building in Saudi Arabiaafter the Kingdom CentreBurj Rafal and Abraj Al Bait. It is also called Star Dome.[3]The round portion at the top of Faisaliah Center is a restaurant called “The Globe”. The Globe is one of the premier restaurants in Saudi Arabia and has 360 degree views that make it unique.

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