Tender

Sludge Holding Tanks & Roofs

THAMES WATER UTILITIES LIMITED

This public procurement record has 1 release in its history.

Tender

17 Nov 2025 at 16:01

Summary of the contracting process

Thames Water Utilities Limited is actively seeking to procure sludge holding tanks, digesters, and roofs for various wastewater treatment sites through a competitive tender process. This procurement is classified under the industry category of sewage treatment and related construction works. The buying organisation, located in Reading, United Kingdom, is navigating this process using a Competitive Flexible Procedure. Interested suppliers must submit their Pre-Specific Questionnaire (PSQ) by the deadline of 22 December 2025, 10 am. The tender process is currently in the Tender stage, with ongoing regulatory assessments influencing the final scope of the procurement, and contract awards anticipated by 18 May 2026.

This tender represents a significant business opportunity, particularly for suppliers with expertise in infrastructure projects and environmental compliance. The procurement seeks suppliers capable of streamlining delivery and maximising operational benefits, offering businesses in sludge management, construction, and environmental engineering lucrative prospects. The focus on strategic sourcing and standardisation can lead to enhanced asset reliability and commercial efficiencies. Small and medium-sized enterprises (SMEs) are also eligible and encouraged to engage, promising an opportunity for growth and expansion within the utility sector.

How relevant is this notice?

Notice Information

Notice Title

Sludge Holding Tanks & Roofs

Notice 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 Please note that that deadline for asking for access to the PSQ & submitting of the PSQ is 22 December 2025, 10 am.

Lot Information

Sludge Holding Tanks (including Digesters and other associated Tanks) (Supply and Installation)

This procurement relates to the supply and commissioning support of Sludge tanks, Digesters and Roofs and associated items across potential multiple wastewater treatment sites.

Sludge Holding Tanks (including Digesters and other associated Tanks) (CDM Responsibilities)

This procurement relates to the supply and commissioning support of Sludge tanks, Digesters and Roofs and associated items across potential multiple wastewater treatment sites. Whilst acting as the responsible CDM representative at the location.

Sludge Holding Tank Roofs (including Digesters)

This procurement relates to the supply and commissioning support of roofs for the fitting to Sludge tanks, Digesters and associated items across potential multiple wastewater treatment sites

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05e2b6
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/074498-2025
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Framework
Procurement Category
Goods
Procurement Method
Selective
Procurement Method Details
Competitive flexible procedure
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

44 - Construction structures and materials; auxiliary products to construction (except electric apparatus)

45 - Construction work

90 - Sewage, refuse, cleaning and environmental services


CPV Codes

44611420 - Sludge-storage tanks

44611500 - Water tanks

45232421 - Sewage treatment works

45232422 - Sludge-treatment works

45252000 - Construction works for sewage treatment plants, purification plants and refuse incineration plants

90420000 - Sewage treatment services

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
17 Nov 20252 weeks ago
Submission Deadline
15 Dec 20252 weeks to go
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
31 May 2026 - 31 May 2034 Over 5 years
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
THAMES WATER UTILITIES LIMITED
Contact Name
Not specified
Contact Email
procurement.support.centre@thameswater.co.uk
Contact Phone
Not specified

Buyer Location

Locality
READING
Postcode
RG1 8DB
Post Town
Reading
Country
England

Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ1 Berkshire, Buckinghamshire and Oxfordshire
Small Region (ITL 3)
TLJ16 Berkshire West
Delivery Location
TLI London, TLJ South East (England)

Local Authority
Reading
Electoral Ward
Thames
Westminster Constituency
Reading Central

Further Information

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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