Coyne et Bellier is a global consulting and engineering firm based out of

Gennevilliers Gennevilliers () is a commune in the northwestern suburbs of Paris, in the Hauts-de-Seine department of Île-de-France. It is located from the centre of Paris. In 2017, it had a population of 46,907. History On 9 April 1929, one-fifth of the ...

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan ar ...

. They specialize in infrastructure projects such as dams, nuclear and hydroelectric power plants, roads, tunnels and other below-surface facilities. The company also carries out environmental and

social impact assessment Social impact assessment (SIA) is a methodology to review the social effects of infrastructure projects and other development interventions. Although SIA is usually applied to planned interventions, the same techniques can be used to evaluate the s ...

. They operate out of 43 offices in Asia, Europe, the Americas, and Africa. The company was created by André Coyne and is a subsidiary of Tractebel.

History

The company was established by André Coyne in 1947 as Engineering Consultancy André Coyne et Jean Bellier (ACJB). Of the many projects the company designed, the Tignes Dam in France which was completed in 1952 which was followed by the Bin el Ouidane Dam in Morocco in 1953. In 1959, the

Kariba Dam The Kariba Dam is a double curvature concrete arch dam in the Kariba Gorge of the Zambezi river basin between Zambia and Zimbabwe. The dam stands tall and long. The dam forms Lake Kariba, which extends for and holds of water. Construction ...

along the Zambia/Zimbabwe border was completed and the

Malpasset Dam The Malpasset Dam was an arch dam (convex surface facing upstream) on the Reyran River, north of Fréjus on the French Riviera. It collapsed on 2 December 1959, killing 423 people in the resulting flood. The breach was caused by a tectonic fault ...

in France, which was completed in 1954, had a tragic failure. In the same year work was complete on two reactors at the Marcoule Nuclear Site in France along with the Yaté Dam in New Caledonia. In 1960, the Serre-Ponçon Dam was completed and André Coyne died. Two years later ACJB became Coyne et Bellier. They continued to design dams that were completed to include their 100th dam,

Jatiluhur Dam The Jatiluhur Dam is a multi-purpose embankment dam on the Citarum River in West Java, Indonesia. It is located east of Jakarta, close to the medium-size town of Purwakarta. Jatiluhur Dam was designed by Coyne et Bellier and was constructed bet ...

in Indonesia, Daniel-Johnson Dam in Canada (1968) and

Tour Aurore Tour Aurore is a 110-metre, 29-story office building in the La Defense central business district outside of Paris. It was designed by Coyne et Bellier Coyne et Bellier is a global consulting and engineering firm based out of Gennevilliers, Franc ...

office building in France (1970). In 1976 Electrobel became the primary shareholder of the company. They completed El Saada Dam, their 150th, in Algeria in 1978. Electrobel merged with Tractionnel in 1987 to form Tractebel. Tricastin Nuclear Power Plant in France was completed in 1980 and the

Grande Arche La Grande Arche de la Défense (; "The Great Arch of the Defense"), originally called La Grande Arche de la Fraternité (; "Fraternity"), is a monument and building in the business district of La Défense and in the commune of Puteaux, to the we ...

, also in France in 1989. When the Aoulouz Dam in Morocco was completed in 1990, it marked their 200th dam designed.

Birecik Dam The Birecik Dam, one of the 21 dams of the Southeastern Anatolia Project of Turkey, is located on the Euphrates River downstream of Atatürk Dam and upstream of Birecik town west of Province of Şanlıurfa in the southeastern region of Tur ...

in Turkey was completed in 2000 and the

Machadinho Machadinho is a municipality in the state of Rio Grande do Sul, Brazil. It was raised to municipality status in 1959, the area being taken out of the municipality of Lagoa Vermelha. As of 2020, the estimated population was 5,427. See also *Lis ...

and Cana Brava Dams in Brazil were completed. Coyne et Bellier was renamed Tractebel Engineering SA in 2009 but still operates under their original name and serves their parent's

hydraulic Hydraulics (from Greek: Υδραυλική) is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids. At a very basic level, hydraulics is the liquid counter ...

sector.

References

{{Authority control Construction and civil engineering companies established in 1947 Engineering companies of France French companies established in 1947 Companies based in Paris Hauts-de-Seine