Castroper Straße phase 2: road, asphalt, drainage, sewer, marking, signage, cable and duct installation works

Summary

The tender covers the second construction phase on Castroper Straße, including road and asphalt works, drainage and sewer construction, traffic management, road markings and signs, cable and duct installation, and associated earthworks and landscaping. The works include substantial open and trenchless pipe construction, stormwater treatment and infiltration features, excavation, shoring, temporary traffic arrangements and asphalt pavement construction. The tender is open and offers must be submitted electronically only. The deadline shown in the notice is 14 October 2026. Bidders should allow for strict technical standards, material testing, waste and environmental compliance, traffic management, construction scheduling, quality documentation and proof of compliant or equivalent products. Exact bidder qualification and previous-experience requirements must be checked in the official tender documents.