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Bomb found during Ostwind 2 survey

By: Tom Russell 23/09/2020 50Hertz

Cables General

50 Hertz has announced that during work on the cable route for its Ostwind 2 grid connection project, a glider bomb was found in July. It was a Henschel Hs 293 - a remote-controlled glider bomb from the Second World War. It resembles a small airplane, has a wingspan of three meters and weighs just under one tonne.

The glider bomb was located in shallow water at a depth of approximately 4 metres and could be inspected by divers. A specialist diving company from Rostock recovered the aircraft bomb and handed it over to the Landesamt für Zentrale Aufgaben und Technik der Polizei Brand- und Katastrophenschutz M-V (LPBK M-V). The bomb was not explosive and will now be disposed professionally.

Besides the bomb recovery, five targets of metal scarps where found. With the completion of the explosive ordnance clearance in shallow water and the successful recovery of the unexploded ordnance, a further step was taken in the direction of cable laying at sea.

Even 80 years later, these bombs can still be explosive or release toxic substances. Therefore, extreme caution is required during salvage. The companies and persons involved are specially qualified to recover explosive ordnance safely and in an environmentally friendly way.

Ostwind 2 is a grid connection project which will connect two future offshore wind farms in the Baltic Sea, Arcadis Ost 1 and Baltic Eagle, to the German high voltage grid. Together, the two wind farms are to generate an output of approximately 725 MW. 50Hertz plans to build three submarine cable systems to deliver this power. They will connect to the German transmission network takes at the substation Lubmin (Mecklenburg-Vorpommern).

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Bomb found during Ostwind 2 survey

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