Supply, Repair, Installation and Maintenance of Sewer Depth and Event Duration Monitors
Estimated value
—
Awarded value
£47.3m
Suppliers
9
Lots
5
Published
19 Mar 2026
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 service provides for the supply/repair of devices and service providers 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
Scope
- Reference
- FA1455
- Commercial tool
- Standalone contract
- Contract dates
- 27 Oct 2025 to 27 Oct 2028Possible extension to 26 Oct 2033
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.
- CPV classifications
- 45232410
- Contract locations
- East of England, United KingdomLondon, United KingdomSouth East England, United Kingdom
- Particular suitability
- Small and medium-sized enterprises (SME)
Award criteria
Criteria the buyer will use to evaluate bids.
| Name | Description | Type | Weighting |
|---|---|---|---|
| Commercial | — | cost | 55.00% |
| Technical | — | quality | 45.00% |
| Commercial | — | cost | 45.00% |
| Technical | — | quality | 55.00% |
Submission & procedure
- Procedure
- Competitive flexible procedure
Award details· 4 awards
Awarded supplier(s), contract period and value as published in the award notice.
Awarded value
£15.0m
Award date
16 Mar 2026
Contract start
31 Mar 2026
Contract end
31 Mar 2029
Lots · 5 total
Divisions of the contract. Each lot can be awarded separately.
| Lot | Title | Est. value | Status |
|---|---|---|---|
| Lot 1a | Supply/repair of Sewer Depth Monitors (Trunk) | £3.7m | complete |
| Lot 1b | Supply of Sewer Depth Monitors (Network) | £11.2m | complete |
| Lot 2 | Supply/repair of Event Duration Monitors | £1.4m | complete |
| Lot 3 | Installation and maintenance of Sewer Depth Monitors | £22.3m | complete |
| Lot 4 | Installation and maintenance of Event Duration Monitors | £8.7m | complete |