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Foster + Partners in big Saudi high-speed rail ops success


Foster + Partners, a leading UK-based architectural firm, has announced the successful operation of Haramain high-speed rail in Saudi Arabia.

The 450-km high-speed rail link between the major Saudi Arabian cities of Makkah, Madinah, Jeddah and King Abdullah Economic City (KAEC) for the first time welcomed passengers during Eid.

The four stations along the route – conceived as gateways to each city – are inspired by the ancient architectural traditions of the region and provide a shaded retreat from the sun while creating a new infrastructural spine for sustainable transport in Saudi Arabia, said the statement.

These stations are built using a modular approach, with design elements that are common to all stations along the route.

The steel columns and arches form freestanding structural trees that are repeated on a square grid and connect to form a flexible vaulted roof, inspired by the colonnades found in many traditional buildings in the region, said the top British architect.

The vaults in each station are of a different colour, responding to the identity of the different cities, it stated.

Luke Fox, the Head of Studio, Foster + Partners, said: "We are delighted that the Haramain High-speed rail link is operating successfully, bringing pilgrims to the holy cities of Makkah and Madinah. The designs of the new stations focus on passenger comfort, while building on the sense of excitement and wonder that is inextricably linked to the idea of travel."
The stations, he stated, are designed to serve up to 20,000 passengers per hour at their peak. Therefore, the arrangement of spaces follows the direction of travel, and helps passengers navigate the stations intuitively, with few level changes and the interior spaces provide respite from the heat of the desert.

"The vaulted roof and walls contain small openings that draw beams of daylight down to the concourse level, carefully controlling the intense glare from the sun and creating a calm, atmospheric and well-lit environment," explained Fox.

"Spherical chandeliers, suspended between the arches, provide focused lighting, mediating between the scale of the roof and concourse level and accentuating the rhythm of the structure," he stated.
One of the primary challenges in the project was that the design and construction of the stations was carried out completely independent of the civil works and track installation. Therefore, the stations were designed, and workflows planned, to allow civil works to continue in parallel, he added.
Angus Campbell, Senior Partner, Foster + Partners, said: "We have designed all four stations, resulting in a consistent approach and intuitive wayfinding strategy throughout the network. The stations are based on a common 27-m square module containing the roof, concourse and platform, which is flexible enough to be reconfigured for both through- and terminus stations, while also making it possible to extend the stations in response to changing passenger requirements."
Sustainability is an important theme that runs through the project. The station buildings are designed based on principles of felt temperature reduction – from outside the station to the platform, the ambient temperatures get progressively lower without the need for mechanical cooling throughout.
"Inside the station, the temperature is maintained at 28˚C and the platforms have large fans and misting devices that help keep the area cool. Mashrabiyas enveloping the glazed façades also help reduce the interior temperatures, while allowing glimpses out of the station," noted Campbell.
The stations are designed to accommodate the growing passenger demand, from an initially anticipated 60 million to 135 million passengers per year, stated the top official.

With trains running at a max speed of 300 km per hour, the travel time between Makkah and Madinah will be cut down to just 2 hours 20 minutes. Operations will begin with 35 trains that can carry up to 417 passengers each, he added.-TradeArabia News Service

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