High-pressure water jet cleaning of Geisling Lock for structural inspection

Summary

The procurement covers cleaning the concrete surfaces, floor, upstream and downstream walkways, and the interior, exterior and cavities of the four steel gates at Geisling Lock before a structural inspection. The work also includes cleaning the dam-beam recesses and removing algae, sludge and mussels using high-pressure water jets at up to 240 bar. The contracting authority will dewater the lock and install the access stair tower. Cleaning is expected to start on 7 April 2027 and must be completed within eight working days, including the weekend. The contractor must provide the workforce, equipment and site facilities, properly remove and dispose of waste, and take responsibility for safety and required permits. The contracting authority will provide work platforms. The available technical specification does not state specific financial-capacity or prior-experience qualification thresholds for bidders.