Adrian Smith + Gordon Gill Architecture is designing Kingdom Tower, to be the world's tallest building, in Jeddah, Saudi Arabia, near the Red Sea.

Kingdom Tower images by Adrian Smith + Gordon Gill Architecture

At over 1,000 metres and a total construction area of 530,000 sqm, Kingdom Tower will be the centrepiece and first construction phase of the Kingdom City development on a 5.3 million-sqm site in north Jeddah.

The tower's height will be at least 173 meters (568 feet) taller than the world's current tallest building, Dubai's 828-meter-tall Burj Khalifa, which was designed by Adrian Smith while at Skidmore, Owings & Merrill.

Mainstream media has seized the irony in the fact that the Saudi Arabia's bin Laden family is funding the project. The family is known to have disowned Osama long before his activities destroyed what were once the world's tallest buildings.

Kingdom Tower will feature a Four Seasons hotel, Four Seasons serviced apartments, Class A office space, luxury condominiums and the world's highest observatory.

Design development of the tower is under way, with construction to begin imminently.

Foundation drawings are complete and the piling for the tower is currently being tendered. Kingdom Tower will cost approximately US$1.2 billion to construct, while the cost of the entire Kingdom City project is anticipated to be US$20 billion.

AS+GG is leading an interdisciplinary design team that also includes building services engineering consultants Environmental Systems Design, Inc. (ESD) and structural engineering consultants Thornton Tomasetti.

The developer of Kingdom City, Jeddah Economic Company (JEC), selected the scheme after a lengthy competition process in which SOM, Pickard Chilton, Kohn Pedersen Fox, Pelli Clarke Pelli and Foster + Partners also participated.

"Our vision for Kingdom Tower is one that represents the new spirit of Saudi Arabia," said Smith, whose experience in supertall tower design at SOM also includes Jin Mao Tower in Shanghai, Nanjing Greenland Financial Center in Nanjing, China, the Trump International Hotel & Tower in Chicago and Pearl River Tower, now in the late stages of construction in Guangzhou, China.

"This tower symbolizes the Kingdom as an important global business and cultural leader, and demonstrates the strength and creative vision of its people. It represents new growth and high-performance technology fused into one powerful iconic form. "

The project is the brainchild of His Royal Highness Prince Alwaleed Bin Talal Bin Abdulaziz Alsaud, nephew of Saudi Arabia's King Abdullah and chairman of Kingdom Holding Company, which is a partner in Jeddah Economic Company along with prominent Jeddah businessmen Samaual Bakhsh and Abdulrahman Hassan Sharbatly and Saudi Binladin Group (SBG). SBG is also the contractor for Kingdom Tower.

"Prince Alwaleed, Mr. Bakhsh, Mr. Sharbatly and I were impressed by the boldness and simplicity of the AS+GG design," said Talal Al Maiman, Executive Director, Development and Domestic Investments, a Board member of Kingdom Holding Company and a board member of JEC.

Mr. Al Maiman was personally involved in selecting the AS+GG scheme. "Kingdom Tower's height is remarkable, obviously, but the building's iconic status will not depend solely on that aspect. Its form is brilliantly sculpted, making it quite simply one of the most beautiful buildings in the world of any height."

In addition to its status as an architectural landmark and economic symbol, Kingdom Tower will enjoy great cultural significance. "We envision Kingdom Tower as an iconic new marker of Jeddah's historic importance as the traditional gateway to the holy city of Mecca," Mr. Al Maiman said. He noted that the southeast leg of Kingdom Tower's tripedal base is on a direct line with the Ka'ba in Mecca, Islam's holiest site.

AS+GG's design for Kingdom Tower is both highly technological and distinctly organic. "With its slender, subtly asymmetrical massing, the tower evokes a bundle of leaves shooting up from the ground—a burst of new life that heralds more growth all around it," Mr. Smith said.

The sleek, streamlined form of the tower was inspired by the folded fronds of young desert plant growth, Gordon Gill added.

"The way the fronds sprout upward from the ground as a single form, then start separating from each other at the top, is an analogy of new growth fused with technology," he said.

"We're thrilled to be working with His Highness and Jeddah Economic Company to help define this path for the Kingdom."

While the design is contextual to Saudi Arabia, it also represents an evolution and a refinement of an architectural continuum of skyscraper design.

Image via smartplanet.com

The three-petal footprint is ideal for residential units, and the tapering wings produce an aerodynamic shape that helps reduce structural loading due to wind vortex shedding.

The Kingdom Tower design embraces its architectural pedigree, taking full advantage of the proven design strategies and technological strategies of its lineage, refining and advancing them to achieve new heights.

The result is a cost-efficient and highly constructible design that is at once grounded in built tradition and aggressively forward-looking, taking advantage of new and innovative thinking about technology, building materials, life-cycle considerations and energy conservation.

For example, the project will feature a high-performance exterior wall system that will minimize energy consumption by reducing thermal loads. In addition, each of Kingdom Tower's three sides features a series of notches that create pockets of shadow that shield areas of the building from the sun and provide outdoor terraces with stunning views of Jeddah and the Red Sea.

The great height of Kingdom Tower necessitates one of the world's most sophisticated elevator systems. The Kingdom Tower complex will contain 59 elevators, including 54 single-deck and five double-deck elevators, along with 12 escalators. Elevators serving the observatory will travel at a rate of 10 meters per second in both directions.

Another unique feature of the design is a sky terrace, roughly 30 meters (98 feet) in diameter, at level 157. It is an outdoor amenity space intended for use by the penthouse floor.

AS+GG also designed the master plan for the 23-hectare Kingdom Tower Waterfront District, which surrounds the tower and which will include residential and commercial buildings, a shopping mall, high-quality outdoor spaces and other amenities. The Waterfront District provides a cohesive and pedestrian-friendly setting for Kingdom Tower while creating a pleasant neighborhood experience along the Kingdom City lakefront.

The district encompasses a high-end shopping mall designed by AS+GG, plus additional development parcels that accommodate commercial and high-density residential uses, offices, two luxury hotels and high-quality open spaces, including the central Tower Plaza.

A serene waterfront promenade connects Kingdom Tower, the various development parcels, the open space areas and the mall together. The result is an exciting mixed-use area that offers a concentrated and comprehensive experience including vibrant shopping, entertainment and open-space amenities. The Waterfront District also provides an array of connections to other areas within Kingdom City's overall master plan, designed by HOK Architects.

Architecture & Design Team

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