AwardedCHEWorks
HWS Sihl, Entlastungsstollen Thalwil, Los 501
- Published
- Published 25 March 2026
- Deadline
- Closed 4 May 2026
Overview
The Canton of Zurich's water authority awarded a contract for the design, supply, and installation of steel components at the relief tunnel intake and outlet structure in Thalwil, including steel constructions, railings, fixed ladders, grating, bearing plates, and ventilation grilles. DE_SIHRO Tech AG won the contract on 29 June 2026 for CHF 513,869. The work is now complete.
Key details
- Country
- CHE
- Status
- Awarded
- Category
- Works
- Procedure
- Open
- Published
- 25 March 2026
- Deadline
- Closed
Construction workMetalworking
Award outcome
- Awarded value
- CHF 513,869
- Award date
- 29 June 2026
- DE_SIHRO Tech AG
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Notice history
Every published notice in this contracting process, newest first.
Contract Award Notice
30 June 2026
Contract Notice
25 March 2026
Contracting authority
Kanton Zürich, Baudirektion, AWEL Amt für Abfall, Wasser, Energie und Luft
Procuring entityZürich, CHE
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