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UK4

Sludge Holding Tanks & Roofs

  • First published: 18 November 2025
  • Last modified: 18 November 2025
  • Version: N/A
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Contents

Summary

OCID:
ocds-h6vhtk-05e2b6
Published by:
Thames Water Utilities Limited
Authority ID:
AA20727
Publication date:
18 November 2025
Deadline date:
22 December 2025
Notice type:
UK4
Has documents:
No
Has SPD:
No
Has Carbon Reduction Plan:
N/A

Abstract

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 SitesThe 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 worksProcurement 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 readinessExpected Outcomes• Improved asset reliability and operational performance• Enhanced alignment with environmental and regulatory objectives• Commercial efficiencies through strategic sourcing and standardisationPlease note that that deadline for asking for access to the PSQ & submitting of the PSQ is 22 December 2025, 10 am.

Full notice text

Scope

Procurement reference

FA2367

Procurement 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.

Main category

Goods

Delivery regions

  • UKI - London
  • UKJ - South East (England)

Total value (estimated)

0 GBP Including VAT

Contract dates (estimated)

01 June 2026, 00:00AM to 31 May 2034, 23:59PM

Is a framework being established?

Yes

Contracting authority

THAMES WATER UTILITIES LIMITED

Identification register:

  • GB-COH
  • GB-PPON

Address 1: Clearwater Court

Town/City: Reading

Postcode: RG1 8DB

Country: United Kingdom

Companies House: 02366661

NUTS code: UKJ11

Email: procurement.support.centre@thameswater.co.uk

Organisation type: Private utility

Procedure

Procedure type

Competitive flexible procedure

Is this procurement under a special regime?

Utilities

Is the total value above threshold?

Above threshold

Framework

Percentage fee charged to suppliers

0%

Award method when using the framework

With reopening competition

Framework operation description

Mini-Competitions to be held once requirements are defined

Lots

Divided into 3 lots

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

Lot number: 1

Description

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

CPV classifications

  • 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

Delivery regions

  • UKI - London
  • UKJ - South East (England)

Lot value (estimated)

0 GBP Including VAT

Sustainability

Small and medium-sized enterprises (SME)

Contract start date (estimated)

01 June 2026, 00:00AM

Contract end date (estimated)

31 May 2034, 23:59PM

Award criteria

Type: quality

Name

Commercial

Weighting: 60

Weighting type: percentageExact

Type: price

Name

Technical

Weighting: 40

Weighting type: percentageExact

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

Lot number: 2

Description

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.

CPV classifications

  • 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

Delivery regions

  • UKI - London
  • UKJ - South East (England)

Lot value (estimated)

0 GBP Including VAT

Sustainability

Small and medium-sized enterprises (SME)

Contract start date (estimated)

01 June 2026, 00:00AM

Contract end date (estimated)

31 May 2034, 23:59PM

Award criteria

Type: quality

Name

Commercial

Weighting: 60

Weighting type: percentageExact

Type: price

Name

Technical

Weighting: 40

Weighting type: percentageExact

Sludge Holding Tank Roofs (including Digesters)

Lot number: 3

Description

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

CPV classifications

  • 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

Delivery regions

  • UKI - London
  • UKJ - South East (England)

Lot value (estimated)

0 GBP Including VAT

Sustainability

Small and medium-sized enterprises (SME)

Contract start date (estimated)

01 June 2026, 00:00AM

Contract end date (estimated)

31 May 2034, 23:59PM

Award criteria

Type: quality

Name

Commercial

Weighting: 60

Weighting type: percentageExact

Type: price

Name

Technical

Weighting: 40

Weighting type: percentageExact

Submission

Expression of interest deadline

22 December 2025, 10:00AM

Enquiry deadline

15 December 2025, 17:00PM

Date of award of contract

18 May 2026, 23:59PM

Submission address and any special instructions

To gain access to the PSQ documents, please fill out the details on this form;https://forms.office.com/e/8Dt3jAAmhs

May tenders be submitted electronically?

Yes

Languages that may be used for submission

  • English

Documents

ID

conflictOfInterest

Document type

Conflict of interest

Description

Not published

Coding

Commodity categories

ID Title Parent category
45252000 Construction works for sewage treatment plants, purification plants and refuse incineration plants Construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry
90420000 Sewage treatment services Sewage services
45232421 Sewage treatment works Ancillary works for pipelines and cables
44611420 Sludge-storage tanks Tanks
45232422 Sludge-treatment works Ancillary works for pipelines and cables
44611500 Water tanks Tanks

Delivery locations

ID Description
There are no delivery locations for this notice.

Alert region restrictions

The buyer has restricted the alert for this notice to suppliers based in the following regions.

ID Description
There are no alert restrictions for this notice.

About the buyer

Main contact:
N/a
Admin contact:
N/a
Technical contact:
N/a
Other contact:
N/a

Further information

Date Details
No further information has been uploaded.

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