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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.

    ContractsRomania – Wastewater Treatment Services – Operation and Maintenance of the Rodna Valea Vinului Treatment Plant, Bistrita-Nasaud County
    Awarded contract

    Romania – Wastewater Treatment Services – Operation and Maintenance of the Rodna Valea Vinului Treatment Plant, Bistrita-Nasaud County

    Awarded
    RON 6.5m
    Published 23 Jun 2025

    This contract involves the operation and maintenance of the wastewater treatment plant to ensure the treatment of heavy metal-laden mine water from the mining area associated with the plant. The goal is to produce an effluent that meets the current technological parameters of the treatment plant. Th

    🇷🇴RomaniaPublished 23 Jun 2025· 1 year agoviaTED
    Awarded
    RON 6.5m
    Published 23 Jun 2025

    Decision brief

    4 fields
    • Contract value
      RON 6,528,000
      RON
    • Closing date
      Not published
      No closing date published
    • Sector
      Environmental Services
      Browse related listings
    • Location
      🇷🇴Romania

    Suppliers

    1 supplier
    • CB
      CARTEL BAU
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 1 year ago.

    23 June 2025
    Awarded — no open tender advertised

    Brief

    This contract involves the operation and maintenance of the wastewater treatment plant to ensure the treatment of heavy metal-laden mine water from the mining area associated with the plant. The goal is to produce an effluent that meets the current technological parameters of the treatment plant. The estimated monthly unit price for operation and maintenance services is 150,206 lei (excluding VAT) for bypass operation of the plant. The maximum estimated value of the framework agreement is 7,209,888 lei (excluding VAT), calculated based on 48 months of operation. The minimum estimated value of the framework agreement is 1,802,472 lei (excluding VAT), based on 12 months of operation. The maximum estimated value of the subsequent contract is also 1,802,472 lei (excluding VAT) for 12 months of operation. The minimum estimated value of the subsequent contract is 150,206 lei (excluding VAT) for one month of operation. Potential bidders can request clarifications regarding the documentation up to 15 days before the deadline for submitting offers. The deadline for providing consolidated responses to clarification requests will be 11 days before the offer submission deadline.

    Track record

    2 awards · 2 winners
    Thin record

    Only 2 prior awards here — too little to read.

    In environmental services, CONVERSMIN SA has awarded 2 contracts to 2 suppliers.

    Who wins here
    1. VEOLIA ROMANIA INTEGRATED SOLUTIONS1× · 50%
    2. CARTEL BAU1× · 50%

    Across environmental services, the most active winners are BIFFA WASTE SERVICES LTD, CHURCHILL CONTRACT SERVICES LTD, VEOLIA ES UK LIMITED — the field to beat, or your route in as a partner.

    More from CONVERSMIN SA

    1 listingView all →
    AwardedEnvironmental Services🇷🇴Romania

    Wastewater Treatment Services in Maramureș County, Romania

    This contract involves the operation and maintenance of the Aluniș Fața Mare wastewater treatment plant in Valea Colbului, Maramureș County. The primary goal is to ensure the effective treatment and neutralization of mine water contaminated with heavy metals from the mining area associated with the

    RON 133,712CONVERSMIN SA
    Published 23 Jun 2025

    Open in Environmental Services

    4 open listingsView all →
    Environmental Services🇮🇪Ireland

    Ireland – Water Framework Directive Monitoring Services for Artificial Waterways (2027-2030)

    Waterways Ireland seeks a qualified contractor to provide Water Framework Directive monitoring services on three Irish canal systems for 2027 and 2028-2030.

    est.€390,000Waterways Ireland
    Published 5 Nov 2026
    Environmental Services🇮🇪Ireland

    Management and Operation of Six Civic Amenity and Recycling Centres in County Donegal, Ireland

    Seek qualified contractor to manage and operate six civic amenity and recycling centres across County Donegal, providing waste handling, customer service, security, and regulatory compliance.

    est.€1,400,000Donegal County Council
    Published 5 Nov 2026
    OpenEnvironmental Services🇬🇧United Kingdom

    Waste Recycling Services Contract Re-tender for Castle Point Borough Council

    Castle Point Borough Council seeks Expressions of Interest for a waste recycling services contract covering transfer stations, haulage, and recycling facilities, with details to be refined following supplier feedback.

    £3,500,000indicativeCASTLE POINT BOROUGH COUNCIL
    Published 4 Nov 2026
    OpenEnvironmental Services🇬🇧United Kingdom

    Pest Control Services - Multi-Supplier Framework Agreement

    Gentoo Group is procuring up to three pest control suppliers to deliver comprehensive treatment, prevention, and monitoring services across its properties over 24 months with potential two-year extension.

    Gentoo Group
    Published 4 Nov 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
    402707-2025

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    CS
    Buyer
    CONVERSMIN SA
    Sector
    Environmental Services