DLR Cologne site – Upgrade of the drinking water network and drinking water pipeline construction

Summary

The tender concerns construction of a new drinking water network at the DLR Cologne site. The works include earthworks and civil engineering works, installation of approximately 6,300 metres of PE 100 drinking water pipelines with fittings and valves, installation of hydrants and chambers, and construction of building connections and reconnections. In addition, a duct route with cable-pulling chambers must be constructed in Street I. The submission deadline is 12 October 2026. The precise qualification, suitability, compliance and technical requirements must be checked in the official tender documents.