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

Official notice

Authority: THAMES WATER UTILITIES LIMITED

Framework agreement5 lotsWorksCompetitive flexible procedureAbove thresholdUtilitiesSME suitable

Sectors: Construction & Civil Engineering (45) Delivery: East of England (UKH)London (UKI)South East (UKJ)

Framework ceiling (notional)£50,200,000total for 5 lots · framework ceiling, not attributable revenue

Submissions closed 27 May 2025awarded 16 Mar 2026

Award (standstill) to HWM-WATER LIMITED +6 more4 awards

Framework period 3 yrsends 27 Oct 2028 · up to 26 Oct 2033 with extensions · starts 27 Oct 2025

What is being bought5 lots · detail below

Published requirement 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

The authority expects to re-tender this requirement around 25 Apr 2033, 23:59 BST.
How the procedure runs: 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

CPV: Sewerage work

How this framework works

From the published notice

Type: Closed framework
Call-offs: every call-off is a further competition among the appointed suppliers
Framework period: 3 yrs · up to 8 yrs from 27 Oct 2025

Published description of the framework

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

Lots and requirements (5)Procurement structure

5 lots · all with a published value · evaluation weights differ by lot

Lot #1Supply/repair of Sewer Depth Monitors (Trunk)AwardedRenewal East of England, London 3 yrsPublished value£3,748,473

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

Contract period: 27 Oct 2025 – 27 Oct 2028 (3 yrs) · up to 26 Oct 2033 with extensionsValue: £3,748,473 exc. VAT · £4,498,167 inc. VAT

Delivery: East of England, London