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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
Classification (CPV)
Construction workMetalworking

Award outcome

Awarded value
CHF 513,869
Award date
29 June 2026
Winner
  • DE_SIHRO Tech AG

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Notice history

Every published notice in this contracting process, newest first.

  1. Contract Award Notice

    30 June 2026

  2. Contract Notice

    25 March 2026

Contracting authority

  • Kanton Zürich, Baudirektion, AWEL Amt für Abfall, Wasser, Energie und Luft

    Procuring entity

    Zürich, CHE

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Awarded: HWS Sihl, Entlastungsstollen Thalwil, Los 501 — won by DE_SIHRO Tech AG — Skim