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Trunk Mains AMP8 Roll Out: Distributed Acoustic Sensing (DAS) Fibre Sensing Solution

THAMES WATER UTILITIES LIMITED

This public procurement record has 2 releases in its history.

TenderUpdate

12 Mar 2026 at 08:18

UK4 - Tender Notice
Tender

09 Feb 2026 at 16:55

UK4 - Tender Notice
Summary of the contracting process

Thames Water Utilities Limited invites potential service providers to partake in a procurement process for the "Trunk Mains AMP8 Roll Out: Distributed Acoustic Sensing (DAS) Fibre Sensing Solution." The procurement aims to enhance detection of leaks and bursts across Thames Water's extensive trunk mains network. This initiative leverages DAS technology to provide near-total coverage, converting fibre optic cables into acoustic sensors for real-time monitoring. The project addresses the industry's growing need for robust monitoring solutions to mitigate water loss and infrastructure failure. With a gross value of £8,400,000, the procurement is categorised under the 'services' sector, with primary classifications in 'Sensors' and 'Telephone network maintenance services.' The procurement follows a 'Competitive Flexible Procedure' under the 'Utilities Contracts Regulations,' emphasising supplier selection through a Pre Selection Questionnaire (PSQ). The deadline for PSQ submissions is set for 19 March 2026, at 10 am, while the contract is expected to be awarded by June 2026. The project will cover regions within the United Kingdom, specifically UKI and UKJ.

This tender presents significant opportunities for businesses specialising in sensor technology, telecommunications, and infrastructure solutions. By addressing the critical needs of Thames Water's network, qualifying companies can gain a foothold in the utilities sector and expand their reach in public infrastructure contracts. Ideal candidates are those who can offer scalable, cost-effective solutions with a strong focus on integration with existing systems and future-proof capabilities in predictive maintenance and leakage reduction. Additionally, the opportunity supports long-term relationships, as the initial contract term spans three years, with extensions possible up to 2034. Businesses with expertise in system integration, data management, and forward-looking maintenance practices are particularly well-positioned to benefit from this partnership, offering them a platform for growth and innovation within a major utility framework.

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Notice Information

Notice Title

Trunk Mains AMP8 Roll Out: Distributed Acoustic Sensing (DAS) Fibre Sensing Solution

Notice Description

Thames Water is seeking to significantly improve its ability to detect leakage and bursts across its trunk mains network, where current monitoring coverage remains limited. This lack of visibility restricts early detection and response, increasing the risk of water loss, asset failure, and service disruption. To address this, Thames Water intends to roll out a Distributed Acoustic Sensing (DAS) fibre sensing solution, with the ambition of achieving near-100% coverage across its trunk mains estate. DAS technology offers the potential to transform network monitoring by converting fibre optic cables into thousands of acoustic sensors, enabling continuous, real-time detection of leaks, bursts, and third-party interference over long distances. The solution must be scalable, cost-effective, and capable of integrating with Thames Water's existing systems and operational workflows. Thames Water is interested in identifying potential service providers who can propose solutions that directly address this challenge. Providers will need to demonstrate how their approach will deliver reliable coverage, actionable insights, and long-term value. Key considerations include deployment strategy, data quality, system integration, and support for future enhancements in predictive maintenance and leakage reduction. The successful partner(s) will play a critical role in helping Thames Water achieve its strategic goal of near-total trunk main monitoring coverage through fibre sensing. Thames Water reserves the right to refine the award criteria. Please note that that deadline for asking for access to the PSQ & submitting of the PSQ is Thursday 19 March at 10 am.

Lot Information

Lot 1

Options: Thames Water reserves the right to: * Extend the contract beyond the initial 2 year term through one or more extension periods, up to a maximum contract end date of 30 June 2034. * Procure additional quantities of the DAS fibre sensing solution, associated hardware, software licences, analytics modules, and related support services where these are consistent with the scope and purpose of the original contract. * Implement further deployments across additional trunk main routes as operational priorities evolve, subject to the overall contract value and term limits.

Renewal: Thames Water envisages that the contract will be awarded for an initial term of 3 years with options to extend by 1 year or longer, up to a maximum overall term of 8 years.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-064baa
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/022095-2026
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Selective
Procurement Method Details
Competitive flexible procedure
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

35 - Security, fire-fighting, police and defence equipment

50 - Repair and maintenance services

CPV Codes

35125100 - Sensors

50334110 - Telephone network maintenance services

Notice Value(s)

Tender Value
£7,000,000 £1M-£10M
Lots Value
£7,000,000 £1M-£10M
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
12 Mar 20266 months ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
1 Jul 2026 - 30 Jun 2031 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
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
READING
Postcode
RG1 8DB
Postcode Area
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

Notice Documents

Open Contracting Data Standard (OCDS)

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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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