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The SWISS FEDERAL RAILWAYS SBB, INFRASTRUCTURE - PURCHASING, SUPPLY CHAIN AND PRODUCTION, PURCHASING AT THE BERN SITE has issued a Tender notice for the procurement of a Power Plant Renovation Etzelwerk -Lot 204-Apparatus Chamber Moated Castle- in the Switzerland. This Tender notice was published on 24 Jun 2026 and is scheduled to close on 10 Jul 2026, with an estimated Tender value of Refer Document. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 143910266, while the tender notice number is 429164-2026 and Registering on the platform.
Procurement Summary
Country: Switzerland
Summary: Power Plant Renovation Etzelwerk -Lot 204-Apparatus Chamber Moated Castle-
Deadline: 10 Jul 2026
Posting Date: 24 Jun 2026
Other Information
Notice Type: Tender
TOT Ref.No.: 143910266
Document Ref. No.: 429164-2026
Competition: ICB
Financier: Self Financed
Purchaser Ownership: Public
Tender Value: Refer Document
CPV Classification
45221200 - Construction work for tunnels, shafts and subwaysPurchaser's Detail
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Login to see detailsTender Details
Power plant renovation Etzelwerk -Lot 204-Apparatus chamber moated castle- The Etzelwerk power plant, built between 1932 and 1937, uses the gradient between Lake Sihl and Lake Zurich to generate energy and produces around 10% of Switzerland's traction power requirements. After the concession renewal in 2023, SBB is now carrying out the renewal and replacement of parts of the Etzelwerk pumped storage power plant as part of the Etzelwerk power plant renewal project. Among them is the replacement of the existing ones covered pressure pipes between the moated castle and the machine house in Altendorf through an underground armored pressure shaft. The subject of this tender is the construction of the apparatus chamber moated castle structure Shaft head building, the construction of the connecting tunnels on the upstream side of the apparatus chamber, the water lock and the main tunnel, which connect the new pressure line between the apparatus chamber and the machine house with the existing one Connect the headwater system and its connection work to the existing headwater system in the area of the moated castle as well as the material management of the tunnel excavation material and the creation of the interim storage facility and terrain design to complete the project Work. Part of the scope of the present tender also includes the concrete backfilling of the pressure shaft armor in the inclined shaft as well as upgrading work on the access road from Altend...
Document Type: Contract Notice Contract Type: works Doc Title: Etzelwerk power plant renovation -Lot 204-Apparatus chamber moated castle- Dispatch Date: 2026-06-20 Publish Date: 2026-06-24 Submission Date: 2026-07-10
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