2023 UNIVERSAL REGISTRATION DOCUMENT

In addition, the Major Projects Division continued con-struction work on the future Euralpin Lyon–Turin rail tunnel (23 km of twin-tube tunnel in Savoie). On Reunion Island, the New Coastal Highway, which comprises France’s longest viaduct at sea (5.4 km) and breakwaters designed to withstand cyclonic swells, is now open to traffic in both directions.

In the United Kingdom, VINCI Construction and Balfour Beatty are responsible for the main civil engineering packages on the future High Speed 2 line, covering 91 km of infrastructure including 51 viaducts, four twin-tube tunnels and 150 standard engineering structures. A single-span bridge weighing 6,200 tonnes the heaviest structure of its type in the UK was installed during the summer.
In Denmark, the division continued work on the Fehmarnbelt Fixed Link, the world’s longest immersed tunnel (18 km, 89 precast concrete sections, each 200 metres long), which will connect the Danish and German coasts by road and rail.
In Egypt, VINCI Construction has been providing both civil engineering and railway works for over four decades as part of successive Cairo metro projects, and is currently extending Line 3 (18 km of new track).
In the United States, the Hampton Roads Bridge-Tunnel project which will ease road traffic between the towns of Hampton and Norfolk, Virginia involves excavating two 2.4 km long tunnels between two artiﬁcial islands linked to the mainland by two sea viaducts, as well as widening an existing 14.5 km road section.
In Canada, VINCI Construction completed the northern section of the West Calgary Ring Road (5 km), and continued work on the Confederation Line in Ottawa (27.5 km of light rail infrastructure, 16 stations and 12 km of motorway widening) and the renovation of the Louis-Hippolyte La Fontaine tunnel in Montreal. After being awarded the contract in late 2022 with Spanish consortium partner Ferrovial, VINCI Construction also began design and preparatory work for the Ontario Line subway in Toronto (6 km of twin-tube tunnel, seven stations, six of them underground).
In Colombia, working for VINCI Highways, VINCI Construction is refurbishing the entire length of the Bogotá Girardot highway as well as building a third lane over 65 km.
In New Zealand, the division is working alongside specialist subsidiaries on Auckland’s City Rail Link, the country’s largest urban infrastructure project (3.5 km rail line extension including 3.2 km of tunnel, and three new stations). In addition to its technical complexity, the project stands out for its requirements in terms of social cohesion and cooperation with the Māori community.

In the hydraulic infrastructure sector, VINCI Construction is carrying out major projects associated with water resource management, renewable energy production and climate resilience issues: in the UK, the Thames Tideway Tunnel (East works package), a system that transfers and stores London’s wastewater and stormwater (two tunnels 5.5 km and 4.6 km long, ﬁve transfer shafts), built under the Thames in the city centre and designed to prevent polluting the river; in Morocco, the Abdelmoumen pumped-storage power station, a major hydroelectric facility with a capacity of 350 MW; in Senegal, the Sambangalou dam on the Gambia river, which will generate 400 GWh of renewable energy every year, irrigate 90,000 hectares of farmland and reduce the risk of ﬂooding; in Cambodia, the Bakheng water treatment plant, the ﬁrst phase of which was inaugurated in 2023 and will bring drinking water to 1.5 million people in Phnom Penh; in Canada, the Springbank reservoir on the Elbow river, a series of structures (including a 29-metre-high earth dam spanning 3.8 km) with a capacity of more than 70 million cu. metres, designed to protect people living in the wider Calgary region by diverting up to 600 cu. metres of water per second the average ﬂow of the Seine at its mouth during peak volume events.

In gas infrastructure, VINCI Construction is to build a 180,000 cu. metre liqueﬁed natural gas storage tank in Rotterdam, as part of the extension of the Gate terminal. The division continued work on a similar project on the Isle of Grain in the UK to extend the capacity of Europe’s largest liqueﬁed natural gas terminal, and completed construction of the Coastal GasLink, a 166 km gas pipeline in British Columbia, Canada. Lastly, in southern France, the second phase of construction work on the Tokamak Complex, which is part of the ITER international nuclear fusion research programme, was completed. For the past 13 years, the Major Projects teams have been working in collaboration with the Civil Engineering France division and Nuvia (Specialty Networks) on the construction of this huge reactor and its technical buildings, which make up a complex 60 metres high, 120 metres long and 80 metres wide.

SPECIALTY NETWORKS

In these areas, where VINCI Construction’s niche expertise is recognised worldwide and operations are spread across some 100 countries, revenue grew by 7.6% to €4.7 billion in 2023.

Soletanche Bachy (50% of revenue), a global leader in foundations, recorded strong growth thanks to a high volume of local projects as well as a number of major projects. New business topped the €2 billion mark for the ﬁrst time. Soletanche Bachy’s subsidiaries have been involved in numerous transport infrastructure projects, including the HS2 high-speed rail line in the UK (over 20 engineering structures completed in 2023), the extension of the Toulouse subway system in France, the Metronet Yanchep Rail Extension project in Australia and the Ang Mo Kio MRT station in Singapore. In energy and hydraulic engineering, the main projects were the foundations for the Ras Laffan solar power plant in Qatar, the Chimney Hollow Reservoir dam (Colorado) and the Arbuckle Reservoir (Texas) in the US, the Santa María dam in Mexico and the El Chaparral dam in El Salvador, and Ouvrage XI (a rainwater collection system) in the Greater Paris area. The Bessac subsidiary (which specialises in tunnels and microtunnels) has undertaken sewerage projects in France, Canada (Annacis Island) and Côte d’Ivoire, among others. Soletanche Bachy has also been involved in the construction of battery plants in the US and Hungary, as well as in numerous port infrastructure projects under its ForSHORE brand: Puerto Bolívar in Ecuador, the Compas terminal in Buenaventura, Colombia, the QuayLink Berth 2E ferry terminal in Australia and the redevelopment of the port of Fos-sur-Mer in France.