Were Transfer Tunnels Tender in Germany - 144429669

Procurement Summary

Country: Germany

Summary: Were Transfer Tunnels

Deadline: 12 Aug 2026

Posting Date: 02 Jul 2026

Other Information

Notice Type: Tender

TOT Ref.No.: 144429669

Document Ref. No.: 453794-2026

Competition: ICB

Financier: Self Financed

Purchaser Ownership: Public

Tender Value: Refer Document

CPV Classification

45221000 - Construction work for bridges and tunnels, shafts and subways
45221200 - Construction work for tunnels, shafts and subways
45221240 - Construction work for tunnels
45240000 - Construction work for water projects

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Tender Details

Were transfer tunnels The WAG Wassergewinnungs- und -aufbereitungsgesellschaft Nordeifel mbH plans to ensure the drinking water supply for the greater Aachen/Düren area, taking climate change into account and to improve flood protection a water transfer for the town of Zweifall and the towns of Stolberg and Eschweiler. This approximately 5 km long, straight water transfer tunnel is intended to flow from the Hasselbach in Stolberg-Zweifall into the Wehebachtalsperre. The WAG water extraction and -aufbereitungsgesellschaft Nordeifel mbH ensures the best drinking water - from the region, for the region. WAG stores water in two of its own dams and uses other dams owned by the Eifel-Rur Water Association in Düren. In addition, the WAG has six groundwater works in the region. Eight modern drinking water treatment plants are operated in which the water obtained is processed into perfect drinking water. As part of the “Weheüberleitung” project, in cooperation with Eifel-Rur Water Association (WVER) is planning to build a 5 km long water transfer tunnel from the Hasselbach to the Wehebachtalsperre. The tunnel begins on Jägerhausstrasse above Zweifall, where an extraction structure in the Hasselbach is planned, and flows out at the root of the Roter Wehebach via an inlet structure into the dam. It has a gradient of around 0.25%. The tunnel should transfer up to 12 m³/s of water on a free gradient. Made of hydraulic...
Document Type: Contract Notice Reference Number: 20260413 MV-BO Contract Type: works Doc Title: Weheüberleitungsstollen Dispatch Date: 2026-07-01 Publish Date: 2026-07-02 Submission Date: 2026-08-12

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