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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.

    ContractsZürich Pipeline Construction Planning Services
    Awarded contract

    Zürich Pipeline Construction Planning Services

    Awarded
    CHF 1.6m
    Published 27 Oct 2025

    The contract involves planning and implementing pipeline systems for district heating and cooling in downtown Zürich. The selected contractor will be responsible for designing the pipelines up to the interior walls of customer buildings. Each sub-project will be divided into phases according to SIA

    🇨🇭SwitzerlandPublished 27 Oct 2025· 12 months agoviaTED
    Awarded
    CHF 1.6m
    Published 27 Oct 2025

    Decision brief

    4 fields
    • Contract value
      CHF 1,581,004
      CHF
    • Closing date
      Not published
      No closing date published
    • Sector
      Engineering
      Browse related listings
    • Location
      🇨🇭Switzerland

    Suppliers

    2 suppliers
    • DD
      DE_Durena AG
      Lead contractor
  1. DA
    DEDURENA AG
    Lead contractor
  2. Lifecycle

    Awarded

    Contract awarded. Originally published 12 months ago.

    27 October 2025
    Awarded — no open tender advertised

    Brief

    The contract involves planning and implementing pipeline systems for district heating and cooling in downtown Zürich. The selected contractor will be responsible for designing the pipelines up to the interior walls of customer buildings. Each sub-project will be divided into phases according to SIA standards (SIA 32 to 53). This opportunity is aimed at architecture and engineering firms with expertise in pipeline construction.

    Track record

    6 awards · 6 winners
    Open field

    No single supplier dominates the field.

    In engineering, DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ has awarded 6 contracts to 6 suppliers.

    Who wins here
    1. DE_Durena AG1× · 17%
    2. DE_AFRY Schweiz AG1× · 17%
    3. DEAFRY SWITZERLAND LTD1× · 17%
    4. DEDURENA AG1× · 17%
    5. DEANEX INGENIEURE AG1× · 17%
    6. DE_Anex Ingenieure AG1× · 17%

    Across engineering, the most active winners are WSP UK LIMITED, AECOM LTD, OVE ARUP PARTNERS LIMITED — the field to beat, or your route in as a partner.

    More from DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ

    4 listingsView all →
    AwardedEngineering🇨🇭Switzerland

    Engineering Services for Fish Passage Improvement at Höngg Hydropower Plant

    This contract involves engineering services for the renovation of fish passage at the Höngg hydropower plant in Zurich, Switzerland. The project is part of a comprehensive effort to restore hydropower in compliance with the Swiss Water Protection Act. The project is divided into two main parts: the

    CHF 562,633DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ
    Published 23 Feb 2026
    AwardedEngineering🇨🇭Switzerland

    General Planning Services for House Connections in Switzerland

    The General Planner for House Connections (GP HAS) is responsible for the planning and implementation of house connections (HAS). This includes project management and HVAC engineering services, including MSRL. Each house connection will be divided into SIA phases 32-53.

    CHF 1,985,288DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ
    Published 17 Nov 2025
    ClosedConstruction🇨🇭Switzerland

    Construction Work for "CoolCity" Pipeline Project

    This contract opportunity involves pipeline construction work for neighborhood development. The work includes the construction of chamber structures, main pipelines, distribution pipelines, and house connection lines as part of the "Cool City" heating network. Suppliers are invited to submit their b

    DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ
    Published 16 Nov 2025
    AwardedConstruction🇨🇭Switzerland

    Cool City Infrastructure Planning Services

    The project involves planning and executing underground construction services for district heating and cooling systems, as well as energy systems. Specifically, it includes the design and implementation of microtunnels in Lot 2. Each subproject and section of the district lines will be divided into

    DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ
    Published 10 Aug 2025

    Open in Engineering

    4 open listingsView all →
    Engineering🇮🇪Ireland

    Landscape Architect Services for Newbridge Public Park Development

    Kildare County Council seeks a landscape architect-led team to design and manage the phased development of an 18-acre public park in Newbridge, Ireland, including masterplanning, planning approval, detailed design, and construction services.

    est.€1,000,000Kildare County Council
    Published 23 Oct 2026
    Engineering🇮🇪Ireland

    Energy Management Information System Procurement

    IÉ seeks a comprehensive cloud-based Energy Management Information System with metering hardware, hosting, and reporting capabilities to track and optimize utility consumption across all depot locations.

    est.€770,000Iarnród Éireann - Irish Rail
    Published 23 Oct 2026
    Engineering🇮🇪Ireland

    Civil Engineering Consultancy Services for Castletroy Link Road Project, Limerick

    Multidisciplinary civil engineering consultancy services required for the final design and delivery stages of a new 680m distributor road in Limerick with integrated bus, cycling, and pedestrian facilities.

    est.€1,500,000Limerick City and County Council
    Published 23 Oct 2026
    Engineering🇬🇧United Kingdom

    Renewable Energy Study for Local Plan Development

    Erewash Borough Council seeks a contractor to prepare a Renewable Energy Study to support the development of their new Local Plan by 2026.

    est.£40,000Erewash Borough Council
    Published 22 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
    710921-2025

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    Buyer
    DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ
    Sector
    Engineering