Contract awardedMEICA

Coppermills WS-SRP Procurement

Thames Water
South East
10 March 2025 to 9 November 2035

Design and construction of a 700 Ml/d High Lift Pumping Station and a 260 Ml/d Slow Sand Filter recirculation system. Includes complex site-wide electrical upgrades, SCADA integration, and structural modifications to existing contact tanks and filters. The project involves significant civil, mechanical, and MEICA works within a busy operational water treatment facility, requiring asset protection and decommissioning of redundant infrastructure.

Open the official notice

Awarded value: Not published
Published: 19 January 2024
Awarded: 10 March 2025; Acciona
Contract length: 128 months; Ends 9 November 2035

What the contract covers

Works contract

Design, construction, and commissioning of complex water treatment infrastructure, including pumping stations, filtration systems, and associated electrical and SCADA upgrades.

A new circa 700 Ml/d High Lift Pumping Station at Coppermills Advanced Water Treatment Works, including connections and modifications to existing contact tanks and HLPS manifolds, connection to the Thames Water Ring Main, SCADA and instrumentation/control upgrades, HV power upgrade, standby generation, uninterrupted power supply, asset protection and decommissioning of the existing HLPS
A new circa 260 Ml/d Slow Sand Filter Recirculation and Run-to-Waste system for 32 existing SSFs, including 16 below-ground pumping stations, associated pipework, valves, instruments and fittings, flow control and monitoring, LV electrical infrastructure, central distribution, and new connections and discharge pipework to the head of the works and Walthamstow Reservoir No. 3 via Tunnel C culvert
A new cryptosporidium treatment system to treat SSF filtrate at Coppermills AWTW for Cryptosporidium inactivation
A circa 50 Ml/d contact tank draindown pumping station and dechlorination system, with requirements subject to development
Associated civil, mechanical, electrical, process, operational and construction planning and management, including SCADA, power-distribution, civil, MEICA, commissioning, decommissioning, reinstatement and handover works

Terms and requirements

Contract type: Works contract
Contract dates: 10 March 2025 to 9 November 2035
Certifications asked for: None stated
Lots: 1
Suitable for SMEs: Not stated
Category: Works
CPV codes: 45000000, 45232152, 45232430, 45252126

Services in this contract

Water and wastewater treatment works and utility MEICAMain service£1.3m typicalDesign and build of high lift pumping station and treatment systems at water treatment works

Lifecycle

Published
19 January 2024
Contract awardedto Acciona
10 March 2025
Contract starts
10 March 2025
Contract ends
9 November 2035

The buyer

Thames Water

Type: Locked
Contracts, 24 months: Locked
Recorded value: Locked
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MEICA contracts, 24 months: Locked

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Contact details

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Email: Locked
Address: Locked

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The supplier

Acciona

Contracts won, 24 months: Locked
Buyers, 24 months: Locked

Main buyers

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Cite this contract

Link: https://bidskim.com/tender/813104/coppermills-ws-srp-procurement
Buyer reference: TC2052
Last checked: 5 November 2026

Thames Water. Coppermills WS-SRP Procurement. Contract award, 19 January 2024. BidSkim, https://bidskim.com/tender/813104/coppermills-ws-srp-procurement (accessed 5 November 2026).