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Gas infrastructure

Dunkirk LNG, Dunkirk, France

The Dunkirk LNG terminal now has three of the world’s largest cryogenic storage tanks.

In response to the need for greater safety and more diverse means of energy supply in Europe, EDF launched the construction of a methane terminal at the Port of Dunkirk; the project will also increase liquefied natural gas (LNG) import capacity.

Entrepose Contracting built the three 190,000 cu. metre LNG storage tanks on a turnkey basis. They are among the world’s largest cryogenic storage tanks. Each full integrity tank has an inner steel (9% nickel) hull, which maintains LNG at a temperature of -163°C.

Several VINCI Construction subsidiaries pooled their complementary expertise to build a variety of structures at the site: a BOG (Boil-off Gas) building, a pumping station (Seawater Intake), two discharge tanks, a Qmax tanker jetty and an undersea tunnel to carry warm water from the Gravelines nuclear power station to the plant, and to carry out soil improvement works.

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