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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsConstruction of New Vertical Filter Wells in Hardhof
    Awarded contract

    Construction of New Vertical Filter Wells in Hardhof

    Awarded
    CHF 2.7m
    Published 21 Dec 2025

    The City of Zurich is seeking suppliers for construction work related to the technical renewal of the Hardhof groundwater facility. This project involves the creation of five new vertical filter wells using the dry drilling method, with a bore diameter of 1,200 mm and depths of up to 30 meters. Each

    🇨🇭SwitzerlandPublished 21 Dec 2025· 9 months agoviaTED
    Awarded
    CHF 2.7m
    Published 21 Dec 2025

    Decision brief

    4 fields
    • Contract value
      CHF 2,674,312
      CHF
    • Closing date
      Rolling
      No closing date published
    • Sector
      Construction
      Browse related listings
    • Location
      🇨🇭Switzerland

    Suppliers

    2 suppliers
    • DC
      DEKIBAG CONSTRUCTION SERVICES LTD
    Lead contractor
  1. DK
    DE_KIBAG Bauleistungen AG
    Lead contractor
  2. Lifecycle

    Awarded

    Contract awarded. Originally published 9 months ago.

    21 December 2025
    Awarded — no open tender advertised

    Brief

    The City of Zurich is seeking suppliers for construction work related to the technical renewal of the Hardhof groundwater facility. This project involves the creation of five new vertical filter wells using the dry drilling method, with a bore diameter of 1,200 mm and depths of up to 30 meters. Each vertical filter well will include a concrete shaft structure with sealing measures. The contract will be divided into separate specifications for the construction work and well construction.

    Track record

    4 awards · 4 winners
    Open field

    No single supplier dominates the field.

    In construction, CITY OF ZURICH WATER SUPPLY has awarded 4 contracts to 4 suppliers.

    Who wins here
    1. DEKIBAG CONSTRUCTION SERVICES LTD1× · 25%
    2. DE_Koster AG Building Technology1× · 25%
    3. DE_KIBAG Bauleistungen AG1× · 25%
    4. DEKOSTER AG BUILDING TECHNOLOGY1× · 25%

    Across construction, the most active winners are HOLCIM UK LIMITED, TARMAC TRADING LIMITED, LINDUM GROUP LIMITED — the field to beat, or your route in as a partner.

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    Take action
    View on sourceTED

    Award notice and full record on the publisher's site

    Publisher
    Publications Office of the European Union
    Licence
    EU 2011/833/EU + TED reuse notice
    Source
    ted.europa.eu
    Record ID
    854303-2025
    CZ
    Buyer
    CITY OF ZURICH WATER SUPPLY
    Sector
    Construction