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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 Works for the Expansion and Adaptation of Graz Wastewater Treatment Plant
    Awarded contract

    Construction Works for the Expansion and Adaptation of Graz Wastewater Treatment Plant

    Awarded
    €3.9m
    Published 3 Jun 2025

    This contract involves the expansion and adaptation of the Graz Wastewater Treatment Plant, focusing on mechanical treatment processes. The awarded supplier will be responsible for the delivery and installation of mechanical equipment, including: - Construction of a new coarse screening facility -

    🇦🇹AustriaPublished 3 Jun 2025· 1 years agoviaTED
    Awarded
    €3.9m
    Published 3 Jun 2025

    Decision brief

    4 fields
    • Contract value
      €3,858,993
      Euros
    • Closing date
      Rolling
      No closing date published
    • Sector
      Construction
      Browse related listings
    • Location
      🇦🇹Austria

    Suppliers

    1 supplier
    • GA
      GIS AQUA AUSTRIA GMBH
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 1 years ago.

    3 June 2025
    Awarded — no open tender advertised

    Brief

    This contract involves the expansion and adaptation of the Graz Wastewater Treatment Plant, focusing on mechanical treatment processes. The awarded supplier will be responsible for the delivery and installation of mechanical equipment, including: - Construction of a new coarse screening facility - Construction of a new screw pump station - Creation of distribution and relief structures - Construction of a third coarse screening channel and gravel trap - Demolition of the existing gravel trap building and construction of a new coarse screening hall - Technical enhancements to the existing fine screening hall - Air treatment via air washers with biofilters - Biological treatment processes, including the construction of aeration tanks and an electrical building - Addition of compressed air generation units - Adjustments to biological treatment stages 2 and 3 - Optimization of primary sludge removal - Construction of a manipulation area - Additional air treatment measures - Relocation of fat storage - Renovation of the stair tower for the digester - Transfer of sewage sludge with the construction of new sludge loading silos - Expansion of gas storage capacity This project is valued at approximately €3,858,992.77 and is managed by HOLDING GRAZ - KOMMUNALE DIENSTLEISTUNGEN GMBH. For more details, please visit the contract platform at TED.

    Track record

    1 award · 1 winner
    Thin record

    Only 1 prior award here — too little to read.

    In construction, HOLDING GRAZ MUNICIPAL SERVICES LTD has awarded 1 contract to 1 supplier.

    Who wins here
    1. GIS AQUA AUSTRIA GMBH1× · 100%

    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
    358638-2025
    HG
    Buyer
    HOLDING GRAZ MUNICIPAL SERVICES LTD
    Sector
    Construction