The upper third of the tower features an inverted parabolic arch topped by a public sky bridge. 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.
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-jointedreflective glazing, also helps control heat gain while concealing the three main mechanical floors to create a seamless facade.
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.
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.
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. The West wing features houses event and entertainment spaces.
The Kingdom Center is built on a four-meter-thick, 3,100-square-meter raft foundation. 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.
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.
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.
The Al Faisaliyah Centre (or Al Faisaliah Centre, Arabic: برج الفيصلية) is a commercial skyscraper located in the business district of Riyadh, Saudi Arabia. It is the fourth tallest building in Saudi Arabiaafter the Kingdom Centre, Burj Rafal and Abraj Al Bait. It is also called Star Dome.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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