Awarded contract

Sludge Holding Tanks & Roofs

Details

Supplier(s)
Duration
3 years
Topic
Sludge-storage tanks
Published
16 September 2026

Tender description

This procurement is for the supply and commissioning of sludge tanks, digesters, other associated tanks, roofs, and related items at various wastewater treatment sites. Target Sites The procurement will cover purchase, installation and commissioning of new sludge tanks, digesters, and other associated tanks and roofs and associated items. Objectives • Compliance: Ensure compliance with legislation, improve the environmental impact of the STW and provide infrastructure which is fit for purpose. • Commercial Value: Optimise the material and delivery solution to maximise commercial efficiencies for Thames Water • Futureproofing: Implement a framework which enables Thames Water to be able toe secure the capacity it requires for future programmes of works Procurement Approach: A competitive tender process will be undertaken to appoint a supplier(s) capable of delivering the required scope. The strategy favours a supplier who can streamline delivery, ensure consistency, and maximise commercial and operational benefits. Procurement Timeline Considerations: The procurement timeline is currently under review due to strategic and regulatory reassessments at certain sites. Specifically: • A study evaluating the requirements to meet the Environment Agency IED requirements is ongoing, with outcomes expected later in the year. These findings will inform final scope and procurement readiness Expected Outcomes • Improved asset reliability and operational performance • Enhanced alignment with environmental and regulatory objectives • Commercial efficiencies through strategic sourcing and standardisation ## Contract award Title: Lot 1. Sludge Holding Tanks (including Digesters and other associated Tanks) (Supply and Installation) Lots: - Lot 1: Sludge Holding Tanks (including Digesters and other associated Tanks) (Supply and Installation) ## Contract award Title: Lot 2. Sludge Holding Tanks (including Digesters and other associated Tanks) (CDM Responsibilities) Lots: - Lot 2: Sludge Holding Tanks (including Digesters and other associated Tanks) (CDM Responsibilities) ## Contract award Title: Lot 3. Sludge Holding Tank Roofs (including Digesters) Lots: - Lot 3: Sludge Holding Tank Roofs (including Digesters)

Timeline

  1. Completed: Award published16 September 2026
    Current notice
  2. Completed: Award date16 September 2026
  3. Next: Contract expiry date31 October 2029in 3 years

About the buyer

Thames Water Utilities Limited buys as a utility, through a Procurement Support Centre in Reading. Thames Water operates in a regulated industry, so becoming a supply partner follows a formal structure. Suppliers email the procurement team with the notice reference to take part in a tender. Suppliers can bid for water resources, demand management or leakage solutions through the Bid Assessment Framework. Innovative ideas can also be submitted through an online form.

Over the past 5 years, most of Thames Water Utilities Limited's contract awards have been in construction work, IT services and waste, cleaning and environmental services.

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Decision makers

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