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Working underwater – fire department divers were working in the Hinterbrühler Seegrotte

These three also mastered the diving exercise in the sea grotto.

Photo:
BFK Mödling Press Office / Mathias Seyfert”, Mathias SEYFERT

TMembers of the Lower Austrian Firefighting Association had an almost unique opportunity to train in the largest underground lake in Europe – in the Seegrotte mine.

For the exercise, 25 members of the diving teams from all over Lower Austria came together in Hinterbrühl (Mödling district). It was believed that several people had entered the old gypsum mine without permission; two of them were now missing on the lower level. On this floor is the 6,200 m² lake, which is also used by boats as a tourist attraction. It is the same area where the accident with five deaths happened in 2004.

The fire brigade’s exercise 20 years later brought the emergency services to the same places in the mine: For the procedure, all the equipment of the divers had to be carried or carried about 500 meters through a narrow passage into the mountain. The command was given above the lake, from where the divers climbed the stairs with their equipment to the surface of the water. The FF Hinterbrühl with local responsibility supported the emergency services – just as would happen in reality.

Three teams of three divers each followed their mission orders and searched different areas of the cave for previously hidden dolls. One team had to dive into a slime ten meters deep. When diving in sea cave water, it is not only the darkness, the lack of visibility and the cold water that are challenging, but also the sediments deposited at bottom: the slightest movement of the water wakes up gypsum dust and clouds of water for a few days.

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