Tender

Supply, Repair, Installation and Maintenance of Sewer Depth and Event Duration Monitors

  • THAMES WATER UTILITIES LIMITED

UK4: Tender notice - Procurement Act 2023 - view information about notice types

Notice identifier: 2025/S 000-017871

Procurement identifier (OCID): ocds-h6vhtk-0509dd

Published 30 April 2025, 10:46am



Scope

Reference

FA1455

Description

We need c15,000 - 30,000 additional Sewer Depth Monitors and c900 Event Duration Monitors (installation & spares) to be installed by the end of AMP8.

This number of SDM installations was calculated in the strategic modelling of blockage, flooding and pollution performance and is part of a suite of planned interventions (including sewer cleaning, customer education, sewer rehabilitation) that are identified to deliver performance improvements through AMP8.

This procurement is to source the devices and a Service Provider for the installation and maintenance.

It will be split into 5 lots:

•Lot 1a Supply/repair of Sewer Depth Monitors (Trunk)

•Lot 1b Supply/repair of Sewer Depth Monitors (Network)

•Lot 2 Supply/repair of Event Duration Monitors

•Lot 3 Installation and maintenance of Sewer Depth Monitors

•Lot 4 Installation and maintenance of Event Duration Monitors

Commercial tool

Establishes a framework

Total value (estimated)

  • £50,200,000 excluding VAT
  • £60,240,000 including VAT

Above the relevant threshold

Contract dates (estimated)

  • 27 October 2025 to 27 October 2028
  • Possible extension to 26 October 2033
  • 8 years

Description of possible extension:

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.

Main procurement category

Works

CPV classifications

  • 45232410 - Sewerage work

Not the same for all lots

Contract locations are shown in Lot sections, because they are not the same for all lots.


Lot Lot 1a. Supply/repair of Sewer Depth Monitors (Trunk)

Description

The supply and repair of Sewer Depth Monitors (trunk).

Lot value (estimated)

  • £3,748,472.50 excluding VAT
  • £4,498,167 including VAT

Framework lot values may be shared with other lots

Contract locations

  • UKH - East of England
  • UKI - London

Same for all lots

CPV classifications and contract dates are shown in the Scope section, because they are the same for all lots.


Lot Lot 1b. Supply of Sewer Depth Monitors (Network)

Description

The Supply/repair of Sewer Depth Monitors (Network).

Lot value (estimated)

  • £11,245,417.50 excluding VAT
  • £13,494,501 including VAT

Framework lot values may be shared with other lots

Contract locations

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

Same for all lots

CPV classifications and contract dates are shown in the Scope section, because they are the same for all lots.


Lot Lot 2. Supply/repair of Event Duration Monitors

Description

The Supply and repair of Event Duration Monitors

Lot value (estimated)

  • £1,350,000 excluding VAT
  • £1,620,000 including VAT

Framework lot values may be shared with other lots

Contract locations

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

Same for all lots

CPV classifications and contract dates are shown in the Scope section, because they are the same for all lots.


Lot Lot 3. Installation and maintenance of Sewer Depth Monitors

Description

The Installation and maintenance of Sewer Depth Monitors

Lot value (estimated)

  • £22,250,012 excluding VAT
  • £26,700,014.40 including VAT

Framework lot values may be shared with other lots

Contract locations

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

Same for all lots

CPV classifications and contract dates are shown in the Scope section, because they are the same for all lots.


Lot Lot 4. Installation and maintenance of Event Duration Monitors

Description

The Installation and maintenance of Event Duration Monitors

Lot value (estimated)

  • £8,740,557 excluding VAT
  • £10,488,668.40 including VAT

Framework lot values may be shared with other lots

Contract locations

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

Same for all lots

CPV classifications and contract dates are shown in the Scope section, because they are the same for all lots.


Framework

Maximum number of suppliers

Unlimited

Maximum percentage fee charged to suppliers

0%

Framework operation description

Lot 1a - single supplier

Lot 1b - single supplier

Each supplier may need to supplement the other depending on availability / performance

Lot 2 - single supplier

Lot 3 - Up to 4 suppliers

Suppliers covers installations across all Thames regions

Each supplier may need to supplement the other depending on availability/performance

Each contractor will be allocated their home region for SDM maintenance

There will be an option to support other regions depending on the level of SDM maintenance required

Lot 4 - single supplier

Prices will be based on a predetermined schedule of rates

Award method when using the framework

With competition

Contracting authorities that may use the framework

Establishing party only


Participation

Particular suitability

Lot Lot 2. Supply/repair of Event Duration Monitors

Lot Lot 4. Installation and maintenance of Event Duration Monitors

Small and medium-sized enterprises (SME)


Submission

Enquiry deadline

16 May 2025, 12:00pm

Submission type

Tenders

Tender submission deadline

27 May 2025, 10:00am

Submission address and any special instructions

To gain access for this procurement exercise, please click on the link below, and provided the requested details. You will then be given access.

https://forms.office.com/e/6b4jmhn4aT

Tenders may be submitted electronically

Yes

Languages that may be used for submission

English

Award decision date (estimated)

20 October 2025

Recurring procurement

Publication date of next tender notice (estimated): 25 April 2033


Award criteria

This table contains award criteria for this lot
Name Type Weighting
Technical Quality 55%
Commercial Cost 45%

Other information

Conflicts assessment prepared/revised

Yes


Procedure

Procedure type

Competitive flexible procedure

Special regime

Utilities

Competitive flexible procedure description

We need c15,000 - 30,000 additional Sewer Depth Monitors and c900 Event Duration Monitors (installation & spares) to be installed by the end of AMP8.

This number of SDM installations was calculated in the strategic modelling of blockage, flooding and pollution performance and is part of a suite of planned interventions (including sewer cleaning, customer education, sewer rehabilitation) that are identified to deliver performance improvements through AMP8.

This procurement is to source the devices and a Service Provider for the installation and maintenance.

It will be split into 4 lots:

• Lot 1a Supply/repair of Sewer Depth Monitors (Trunk)

• Lot 1b Supply/repair of Sewer Depth Monitors (Network)

• Lot 2 Supply/repair of Event Duration monitors

• Lot 3 Installation and maintenance of Sewer Depth Monitors

• Lot 4 Installation and maintenance of Event Duration Monitors


Contracting authority

THAMES WATER UTILITIES LIMITED

  • Companies House: 02366661
  • Public Procurement Organisation Number: PNQQ-4647-DTCV

Clearwater Court

Reading

RG1 8DB

United Kingdom

Region: UKJ11 - Berkshire

Organisation type: Private utility