Construction of the New Kriegenbrunn Lock, in Germany


On behalf of the Aschaffenburg Waterway Construction Authority, BAUER Spezialtiefbau GmbH and 2 other joint venture partners have been tasked to build the new replacement structures for the Kriegenbrunn lock. The work of the “Schleuse Kriegenbrunn” joint venture, made up of BAUER Spezialtiefbau GmbH, Ed. Züblin AG and Züblin Spezialtiefbau GmbH, is planned to start in May. The lock will officially open for ship traffic in of 2032.

The project includes building the entire lock including water-saving basins, exit basins and the connection to the sealed stretch of canal. It also includes the gates and closures of the lock, the drive and control technology as well as communication and electronic equipment. It also includes construction of a technical building as well as roadwork and landscaping.

The centerpiece of this construction project is the excavation pit, which will be built in the immediate vicinity of the existing lock. It is being constructed with a depth of more than 30 m – half of which is located in the groundwater – and a length of nearly 200 m while ongoing ship traffic continues. To protect the adjacent old lock, the excavation pit has to be installed with minimal deformation. A secant and reinforced pile wall is being executed for this task.

“The new building of the Kriegenbrunn Lock will not only modernize the infrastructure, but also lay the foundation for efficient and sustainable waterway management in Germany,” remarked Frank Haehnig, CEO of BAUER Spezialtiefbau GmbH.

Source: BAUER Spezialtiefbau GmbH

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