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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.

    ContractsProject Preparation and Cost Estimation for Stormwater Drainage System Reconstruction in Poznań
    Closed contract

    Project Preparation and Cost Estimation for Stormwater Drainage System Reconstruction in Poznań

    Tender closed
    19 Aug 2025
    13 months ago

    This contract involves the preparation and submission of complete project documentation along with providing author supervision for the task of reconstructing the internal stormwater drainage system located at 5 Czerwonacka Street, Poznań, to effectively manage rainwater runoff. Suppliers are requir

    🇵🇱PolandPublished 8 Jul 2025· 1 years agoviaTED
    Tender closed
    19 Aug 2025
    13 months ago
    Tender deadline passed on 19 Aug 2025.

    Decision brief

    4 fields
    • Contract value
      Not disclosed
      Source did not declare a figure
    • Tender closed
      19 Aug 2025
      1 years ago
    • Sector
      Engineering
      Browse related listings
    • Location
      🇵🇱Poland

    Lifecycle

    Closed

    Tender closed on 19 Aug 2025. Awaiting award.

    8 Jul 2025Today19 Aug 2025

    Brief

    This contract involves the preparation and submission of complete project documentation along with providing author supervision for the task of reconstructing the internal stormwater drainage system located at 5 Czerwonacka Street, Poznań, to effectively manage rainwater runoff. Suppliers are required to refer to Attachment 1 of the Terms of Reference for a detailed description of the contract and Attachment 2 for the contract template. The deadline for submissions is August 19, 2025.

    Track record

    9 awards · 9 winners
    Open field

    No single supplier dominates the field.

    In engineering, OPERATOR GAS PIPELINES TRANSMISSION GAZSYSTEM SA has awarded 9 contracts to 9 suppliers.

    Who wins here
    1. GAS-ENGINEERING Jerzy Heider1× · 11%
    2. Upper Silesian Design Studio Sp. z o.o.1× · 11%
    3. GASENGINEERING JERZY HEIDER1× · 11%
    4. TECHCOM PROJECT LLC1× · 11%
    5. UPPER SILESIAN DESIGN STUDIO LTD1× · 11%
    6. TECHCOM Projekt Sp. z o.o.1× · 11%

    +3 more suppliers

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

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    Take action
    View on sourceTED

    Original closed notice 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
    445156-2025
    OG
    Buyer
    OPERATOR GAS PIPELINES TRANSMISSION GAZSYSTEM SA
    Sector
    Engineering