Coyne et Bellier is a global consulting and engineering firm based in

Gennevilliers Gennevilliers () is a Communes of France, commune in the northwestern suburbs of Paris, in the Hauts-de-Seine Departments of France, department of Île-de-France. It is located from the Kilometre zero, centre of Paris. History On 9 April 1929, ...

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

. 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, now part of

Engie Engie SA (stylised in all caps as ENGIE) is a French multinational electric utility company, headquartered in La Défense, Courbevoie. Its activities cover electricity generation and distribution, natural gas, nuclear power, renewable energy ...

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 Kariba may refer to: * Kariba, Zimbabwe * Lake Kariba * Kariba Dam * Kariba Gorge * Kariba (District) * Kariba weed, plant * For the ship, see MV Tricolor {{dab ...

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, 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 tectoni ...

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 () is a nuclear facility in the Chusclan and Codolet communes, near Bagnols-sur-Cèze in the Gard department of France, which is in the tourist, wine and agricultural Côtes-du-Rhône region. The plant is around 25 ...

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-sized town of Purwakarta. Jatiluhur Dam was designed by Coyne et Bellier and was constructed betwe ...

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 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 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 () 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 counterpart of pneumatics, which concer ...

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