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Liquid Waste Removal and Drainage Services

Northern Trains Limited

Awarded
services
Framework agreement

This tender has closed

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Key details

Contracting authority
Northern Trains Limited
Public authority - central government
Region
York
Delivery: North East England, United Kingdom
Contract value
Not stated by buyer
Submissions closed
Not stated by buyer
Published
11 August 2026

Procurement

Contract period
31 August 2026 - 30 August 2030
4 years
Possible extension to 30 August 2034 · 7 years, 11 months in total
Extension terms: The Contract will be let for an initial term of four (4) years. Following the expiry of the initial term, NTL may, at its sole discretion, exercise up to two (2) extension options of two (2) years each (a potential maximum contract duration of eight (8) years). Extensions may be considered where: Service performance has consistently met or exceeded the required KPIs, including compliance, responsiveness, environmental standards, and reporting obligations. Operational continuity is desirable to avoid service disruption, particularly where ongoing site‑specific knowledge or specialist waste-handling expertise is beneficial. Value for money can be demonstrated, including benchmarking or a review showing that the extension period remains commercially advantageous. Regulatory compliance continues to be maintained, with the supplier remaining appropriately licensed for handling, transporting, and disposing of liquid waste. Business needs remain unchanged, and the scope and volume of liquid waste removal services are still required in line with the existing specification. If both extension options are applied, the breakdown is as follows: Initial Term: 4 years Extension Option 1: 2 years Extension Option 2: 2 years Maximum Contract Duration: 8 years total
Procedure type
Competitive flexible procedure
CPV classifications
  • 45232410 Sewerage work
  • 90400000 Sewage services
  • 90510000 Refuse disposal and treatment
  • 90520000 Radioactive-, toxic-, medical- and hazardous waste services

What happened

Northern Trains Limited awarded this contract to ADLER & ALLAN LIMITED worth £3,912,630 on 11 Aug 2026. The contract runs until 30 Aug 2030.

Description

Northern Trains Limited ("NTL") has completed a procurement process for the provision of Liquid Waste Removal and Drainage Services across its network.

The procurement has established a single supplier Framework Agreement to support NTL's requirements for liquid waste management and drainage services across its train maintenance facilities.

NTL undertakes train maintenance activities across a number of locations. At the time of award, services are required across 11 maintenance sites, although the number of locations covered by the Framework Agreement may increase or decrease during the term of the agreement.

The awarded supplier will provide services including, but not limited to:

  • Removal of liquid waste from waste tanks containing fluids drained from trains, including coolant and oil;
  • Emptying and management of oil/water separators, including sludge, water and oil;
  • Septic tank emptying and waste management;
  • Drainage maintenance and associated services.

The scope of the Framework Agreement also includes:

  • Drain jetting, drain clearance and CCTV surveys in accordance with NTL's lease obligations;
  • Maintaining drainage systems within TrainCare Centre ("TCC") maintenance areas to ensure they remain free from sediment, including sand, and support ongoing engineering operations;
  • Supporting NTL's environmental objectives, including the reduction of waste sent to landfill.

The awarded supplier is responsible for assessing, classifying and managing waste in accordance with applicable waste and hazardous waste regulations, including:

  • Assignment of the appropriate European Waste Catalogue (EWC) code and waste description;
  • Identification and documentation of transportation hazards and associated control measures;
  • Provision of all information required to complete waste consignment notes and waste transfer documentation.

For each waste collection, the supplier shall arrange laboratory analysis of samples through a UKAS-accredited laboratory. The results of the analysis shall be used to support the preparation of the relevant waste consignment documentation and must be provided to the relevant NTL site representative together with the completed consignment note prior to removal of the waste.

Awarded supplier

Supplier
ADLER & ALLAN LIMITED
Companies House: 00318460
Award value
£3,912,630
Award date
11 August 2026

Contact

Address
George Stephenson House, York, YO1 6JT

Identifiers

Notice ID
076297-2026
OCID
ocds-h6vhtk-060a98
Companies House
PPON
PZCJ-2164-HJQZ

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External ID: fts-ocds-h6vhtk-060a98 • Added 6 August 2026