BidSonarBidSonar
ContractsGrantsOrganisationsSectors
BidSonarBidSonar·Built by Hypership
SourcesBrandPrivacyTermsCookies

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
      Not published
      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.

    More from CITY OF ZURICH WATER SUPPLY

    3 listingsView all →
    AwardedEngineering🇨🇭Switzerland

    Architectural Services for Building Renovation in Zurich

    The City of Zurich is seeking architectural services for the role of overall project manager for building-related matters, extending at least until 2040. The selected architect will review previously identified renovation measures, plan their implementation, and provide professional support during t

    CHF 714,978CITY OF ZURICH WATER SUPPLY
    Published 1 Dec 2025
    AwardedConstruction🇨🇭Switzerland

    Heating, Ventilation, and Air Conditioning Installation in Zurich

    The City of Zurich is seeking suppliers for the installation of heating, ventilation, and air conditioning systems at Hardhof. This project involves providing the necessary equipment and services to ensure effective climate control in the specified buildings. Interested suppliers should refer to the

    CHF 364,596CITY OF ZURICH WATER SUPPLY
    Published 11 Nov 2025
    AwardedEnergy & Utilities🇨🇭Switzerland

    Water Supply Renovation and Electrical Installations in Zurich

    The project involves the complete renovation of all electrical installations for 16 slow filters divided into four buildings, as well as the renewal of the ozone system, which consists of three ozone generators. Additionally, the connections and interfaces for high and low voltage systems will be re

    CHF 843,443CITY OF ZURICH WATER SUPPLY
    Published 16 Jul 2025

    Open in Construction

    4 open listingsView all →
    Construction🇮🇪Ireland

    Carnanes Group Water Scheme Upgrade - Construction Contract

    Construction tender for the rehabilitation and upgrade of the Carnanes Group Water Scheme in County Clare, Ireland.

    est.€700,000Leadmore-Carnanes Group Water Scheme
    Published 13 Oct 2026
    Construction🇮🇪Ireland

    Self-Catering Cottage Renovation and Development in Co. Roscommon, Ireland

    Construction opportunity to restore a derelict cottage into 4-bedroom self-catering holiday accommodation in Co. Roscommon, including wastewater treatment system installation and landscaping.

    John Larkin
    Published 13 Oct 2026
    Construction🇮🇪Ireland

    University of Galway Mechanical Consumables Supply Framework Agreement

    University of Galway is seeking a framework agreement supplier for mechanical consumables and maintenance services for their Building and Estates team.

    est.€700,000EDUCATION PROCUREMENT SERVICE EPS
    Published 13 Oct 2026
    OpenConstruction🇬🇧United Kingdom

    Metal Barrel Roof Replacement - Principal Contractor Framework

    University of Bath is appointing a principal contractor to deliver metal barrel roof replacements at multiple buildings, starting with the Sports Training Village Pentathlon Hall including solar panel installation.

    UNIVERSITY OF BATH
    Published 12 Oct 2026
    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

    Your fit

    Could you win the next one?

    This went to DEKIBAG CONSTRUCTION SERVICES LTD. Sonar reads CITY OF ZURICH WATER SUPPLY's work like this against your business — who holds it, and whether you could compete or partner next time.

    Check my fit

    Free · Matches every Monday

    CZ
    Buyer
    CITY OF ZURICH WATER SUPPLY
    Sector
    Construction