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 area ...

. 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 Tractebel is a Belgian subsidiary which provides consultancy and engineering services in the energy, water, nuclear and infrastructure sectors for the ENGIE group, as well as for national and international institutions and customers in the publ ...

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 The Tignes Dam, also known as the Chevril Dam, is an arch dam on the Isère in the municipality of Tignes in the Rhône-Alpes region in south-eastern France. In planning since the 1920s and under the protest of locals, the dam was constructed betw ...

in France which was completed in 1952 which was followed by the

Bin el Ouidane Dam The Bin el Ouidane Dam is an arch dam located south of Beni Mellal on the El-Abid River in Azilal Province, Morocco. Designed by Coyne et Bellier and constructed between 1949 and 1953, the purpose of the dam is hydroelectric power production and ...

in Morocco in 1953. In 1959, the Kariba Dam 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 Marcoule Nuclear Site (french: Site nucléaire de Marcoule) is a nuclear facility in the Chusclan and Codolet Commune of France, communes, near Bagnols-sur-Cèze in the Gard French Department, department of France, which is in the tourist, wine an ...

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 betw ...

in Indonesia, Daniel-Johnson Dam in Canada (1968) and Tour Aurore 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 The Tricastin Nuclear Power Plant (french: link=no, Centrale Nucléaire du Tricastin) is a nuclear power plant consisting of 4 pressurized water reactors (PWRs) of CP1 type with 915 MW electrical power output each. The power plant is located i ...

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 west ...

, 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 Turke ...

in Turkey was completed in 2000 and the Machadinho 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 counte ...

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