The Gerd Knoll Sen. was chartered by BALTIC Taucherei- und Bergungsbetrieb Rostock GmbH for diving and support work on the Fehmarnsund Bridge. In the process, several inspection trolleys were burned down and lifted onto the ship, and new inspection trolley were installed under the bridge from the ship. In addition, Gerd Knoll sen. installed a submersible shaft on one of the bridge piers with the help of divers to check the bridge foundation. The operation began in September and is scheduled to…

From April to June 2024 Gerd Knoll was used in Kiel harbour. The vessel was chartered by Christoffers Onshore and Subsea GmbH in order to lay empty conducts. To carry out the work, the pipe drum and anchor were positioned and the 50 ton excavator was used on board.

The Gerd Knoll sen. was chartered for ammunition recovery work off the island of Rügen.

The project included the following individual measures:

• Positioning using GPS devices
• Deployment of diving teams
• Recovery of salvage goods using a crane

The Gerd Knoll sen. was chartered in the course of geotechnical measurements for a cable route off Norderney.

Individual measures as the following were executed for the customer

• Surveying work using GPS devices
• Moving measuring equipment by crane
• Work in shallow waters
• Work in tidal areas