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+100 years building history

Amongst the many projects carried out by the OHL Group over more than one hundred years of history are certain emblematic works in terms of size, complexity, technical innovation or social scope. This section gathers a non-exhaustive catalogue of some of these activities.

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EDAR de Lagares. EspañaLagares WWTP. Spain

Modernization and expansion project of the Lagares WWTP. Spain. OHL has designed the project to respond to the discharge conditions required in Directive 91/271/CEE for sensitive areas of over 100,000 inhabitants.The WWTP admits a flow rate of up to 12 m3 per second and can multiply by four the hydraulic capacity of the previous plant over which it has been built. It also has the potential to treat, in terms of contamination, the equivalent of up to 800,000 inhabitants.In 2019, it has been dist…

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Terrassa - Rambla / Can roca tunnel expansion. Spain

OHL has performed the track infrastructure and superstructure and the double tunnel catenary as well as the Renfe interchange and stations. The infrastructure has 4,500 meters of single track double tunnel excavated using the Tunnel Boring Machine method (TBM) and lined with prefabricated concrete segments.

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Toluca intercity train. Mexico

OHL is building the first section of the intercity train line that will connect Toluca, capital of the State of Mexico, with Mexico City, the country’s capital. With a length of 36.15 km, it is the most important section of the future Toluca- Mexico City railway.

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Expansion of the Alicante Port. Spain

Incorporation of 30 Ha of esplanades –16 of them completely developed– into existing infrastructure and the rest of sheltered water. The inner harbor has three alignments of commercial piers and a dock for ferries. The project altogether represents 1,127 m of slope breakwater; 442 m of slope counter breakwater; 1,236 m of piers with caissons; 245 m of ro-ro type dock for ferries; 160,000 m2 of paved esplanade and 1,986 m of railway track.

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Construction project for the railway infrastructure in the Huelva Station. Spain

The works consisted of the execution of the railway infrastructure in the Huelva Station, which opened in 2018, including earthmoving, formation of track yards and platforms for the passenger service 410 and 226 m long and a technical platform. The passenger building of the 1,200 m2 station was also constructed