Pump station upgrade and construction of a shaft structure for valve technology

Summary

The tender covers the renovation and upgrade of the Hiesfeld Süd combined wastewater pumping station in Dinslaken. The works include constructing a reinforced-concrete shaft structure for valve technology, excavation support and earthworks, installation of pressure and cable-protection pipes, concrete and reinforced-concrete works, construction of an operational building, earthing and surface reinstatement. The works will take place in the centre of a roundabout with restricted work and storage areas and require coordination with the mechanical engineering contractor. The expected construction period is from 17 November 2026 to 23 April 2027; the tender deadline is 6 October 2026 at 10:50. The tender must be submitted electronically in German. Price is the only award criterion, with a weighting of 100%. Alternative tenders are permitted for the complete scope. The bidder must also comply with requirements concerning unexploded-ordnance supervision, traffic management, environmental protection, quality evidence and work documentation.