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.
For more information, visit their website at http://www.nord-stream.com
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