Construction in Germany

The pipeline will make landfall on the northern German coast near Greifswald. Construction along the 85-kilometre German section of the pipeline is divided into onshore and offshore sections.

Dredging Activities in German Territorial Waters

To ensure stability in coastal areas, the Nord Stream 2 Pipeline will be buried in the seabed. In Germany, this will be done in the first section of the pipeline in the Bay of Greifswald. The preferred technique to do this is pre-lay excavation of a trench.

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Building the German Landfall

Ground conditions have proven favourable to using a special microtunneling technique that will minimise environmental impact at the Nord Stream 2 landfall in Germany. By taking construction underground, this method ensures that sensitive areas and existing infrastructure remain unaffected.

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Pipe Transport from Mülheim to Mukran

Nord Stream 2 relies on low-carbon rail transport to carry its 12-tonne, 12-meter-long steel pipes to the ports where they will be concrete weight-coated. To ensure timely deliveries from the pipe mill in Mülheim an der Ruhr to the port of Mukran, Germany, two trains operated by DB Cargo AG have been making the journey every single day since October 2016. It takes over 11 hours and several experienced drivers to deliver each trainload of pipes to Mukran in perfect condition.

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In the onshore section, the pipeline inspection gauge (PIG) receiving station is being built to the west of the port of Lubmin. Preparatory work for the installation of the pipelines began in late January 2018 after receiving the permit for the construction and operation of Nord Stream 2 for German territorial waters and the landfall area.

The PIG receiving station connects Nord Stream 2 with Gascade’s neighbouring natural gas receiving facility, and thus with the European pipeline network. The approximately six-hectare site will contain all the necessary control and regulation equipment for the safe operation of the twin pipeline.

Two 700-metre microtunnels will make the transition from the onshore to the underwater construction sections. The tunnels, which were built in the second quarter of 2018, start in front of the PIG receiving station, pass under the infrastructure to the north (railway track, road and supply lines) as well as coastal forest, dune and beach to end in the shallow water area approximately 350 metres beyond the beach.

In the summer of 2018 both pipelines were drawn in via the tunnels to the PIG receiving station. Before this work began, the trench area for both pipelines was prepared in mid-May 2018. In total, an approximately 28-kilometre trench will be dug in German coastal waters for the two pipelines, as well as two parallel trenches approximately 21-kilometres long for each pipeline.

After the pipe has been laid, the trenches will be refilled and the top layer restored with the material previously removed. This accelerates regeneration and ensures that the effects of the intervention remains local and limited in time, with the lowest impact possible.

All work is overseen with extensive environmental monitoring to ensure that the predicted effects of construction outlined in the approved permit application documents are not exceeded. These effects include factors like water turbidity and noise, for example.

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