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FCC-constructed Almonte Viaduct recognised as a Global Best Project for 2017

The Almonte viaduct, built by FCC, has been recognised by Engineering News Record (ENR) as a Global Best Project for 2017 in the Bridges and tunnels category. The fifth edition of the awards will be presented officially on 24 October at a ceremony during ENR’s Global Construction Summit in New York.

The viaduct, with a detailed project design and build led by FCC, crosses the mouth of the river Almonte where it meets the Alcántara reservoir, in Cáceres province (Spain), where the river bed is nearly 400 metres wide. With a length of nearly one kilometre, the Almonte viaduct sets a new world record for railway-viaduct spans and is third largest concrete arch in the world. It has a main span of 384 metres, with a lower reinforced-concrete arch that has been built using the method of successive cantilevers with a revolutionary formwork truck.

The viaduct over the river Almonte is part of the 450-kilometre high-speed line between Madrid and Extremadura, which will eventually link the European capitals of Madrid and Lisbon. FCC has been involved since the very beginning of the construction of Spain's high-speed rail network, which is the second largest in the world after China's. The company is responsible for more than 700 of the 3, 100 kilometres of line built to date. FCC has worked on countless railway projects of all kinds, for both infrastructure and superstructure: metro and tram systems, maintenance and renovation of existing lines and the construction of new stations in major cities. FCC stands out because of its use of advanced technology and its capacity to offer integrated products and services with high added value across all its business areas.

In all its projects, FCC brings long-standing technical experience to overcome complex engineering challenges. This award highlights the uniqueness of this piece of engineering, with a main span that is one and a half times longer than previous works of this type. As the viaduct lies in a highly environmentally rich area, the impact on the river bed had to be minimised, leaving it undisturbed. The significant technical challenges faced during the building process were solved thanks to FCC's extensive international experience.

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