City of Osnabrück; Groundwater Monitoring and Repair of Groundwater Monitoring Wells

Summary

The tender concerns the repair of 35 groundwater monitoring wells at 15 locations within the City of Osnabrück. The works include installing protective barriers, raising monitoring wells above ground level, installing or repairing stainless-steel protective pipes, cast-iron cover plates and Seba covers, clearing outlets, and purging and clearing silted monitoring wells. The pumped water volume and changes in water level must be measured and documented. The contractor must also provide a JPG photograph of each monitoring well and prepare final documentation of the works. The works must be carried out between October 2026 and March 2027, with at least half of the works and the related invoicing completed in 2026; each location must be completed in one continuous work sequence. The bidder must include the costs of travel, equipment transport, tools, protective measures, temporary works, reinstatement of the terrain, waste disposal and all other services necessary for complete performance. The tender submission deadline is 24 September 2026.