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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.

    ContractsLiquid Waste Removal and Drainage Services for Train Maintenance Facilities
    Awarded contract

    Liquid Waste Removal and Drainage Services for Train Maintenance Facilities

    Awarded
    £6.9m
    Published 11 Aug 2026

    Suppliers needed to deliver liquid waste removal and drainage services across Northern Trains' maintenance facilities under a single supplier Framework Agreement.

    🇬🇧United Kingdom· Yorkshire and the HumberPublished 11 Aug 2026· 2 days agoviaFind a Tender
    Awarded
    £6.9m
    Published 11 Aug 2026

    Decision brief

    4 fields
    • Contract value
      £6,919,754
      Pounds sterling
    • Closing date
      Rolling
      No closing date published
    • Sector
      Construction
      Browse related listings
    • Location
      🇬🇧United Kingdom
      Yorkshire and the Humber

    Suppliers

    1 supplier
    • AA
      ADLER & ALLAN LIMITED
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 2 days ago.

    11 August 2026
    Awarded — no open tender advertised

    Brief

    Northern Trains Limited seeks a supplier to provide comprehensive liquid waste removal and drainage services across its train maintenance network. The Framework Agreement covers 11 maintenance sites initially, with potential for expansion or reduction during the contract term. Key services include: removal of liquid waste from train tanks (coolant, oil, etc.), emptying and management of oil/water separators, septic tank emptying, and drainage system maintenance. The supplier will conduct drain jetting, drain clearance, and CCTV surveys to meet lease obligations and maintain drainage systems free from sediment within TrainCare Centre areas. The successful supplier must classify and manage all waste according to applicable regulations, assign appropriate European Waste Catalogue codes, document transportation hazards, and prepare waste consignment notes. For each collection, the supplier must arrange laboratory analysis through a UKAS-accredited laboratory and provide results to site representatives with completed documentation before waste removal. The role supports Northern Trains' environmental objectives by reducing landfill waste.

    Track record

    3 awards · 3 winners
    Open field

    No single supplier dominates the field.

    In construction, Northern Trains Limited has awarded 3 contracts to 3 suppliers.

    Who wins here
    1. ADLER & ALLAN LIMITED1× · 33%
    2. Picow Engineering Limited1× · 33%
    3. Colt Construction Ltd1× · 33%

    Across construction, the most active winners are HOLCIM UK LIMITED, TARMAC TRADING LIMITED, PDP MECHANICAL & ELECTRICAL LIMITED — the field to beat, or your route in as a partner.

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    Take action
    View on sourceFind a Tender

    Award notice and full record on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    find-tender.service.gov.uk
    Record ID
    ocds-h6vhtk-060a98
    NT
    Buyer
    Northern Trains Limited
    Sector
    Construction