December 15th, 2011 4:57pm Posted In: Videos

Underwater Tie-Ins (Nord Stream)

Each of the two Nord Stream Pipelines is built in three sections. Once completed, the sections are welded together. This "tie-in" process takes place on the seabed in an underwater welding habitat. Welding activities are remotely controlled from a support vessel, and divers assist and monitor the subsea construction work. 

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