Germany – General construction work for pipelines – Rohrbau- und Tiefbauarbeiten zur Sanierung der Fernwärmeschiene Rheinvorland

This tender is for pipeline and civil engineering works to rehabilitate a 2.9 km district heating pipeline section in the Rhine floodplain (Rheinvorland) near Duisburg/Dinslaken, Germany. The project involves replacing an existing steel-jacket pipe system with a plastic-jacket system (DN 500/800) with specific insulation requirements. Work is in a landscape protection and flood area, requiring environmental monitoring, temporary roads, flood protection measures, and a dike crossing. The procedure is a two-stage negotiated procedure with a call for competition. Submission deadline is 2026-07-06 10:00. Estimated value is not disclosed. Award criteria: 95% price, 5% quality (warranty).