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Awarded contract
Published 16 Sep 2026

Sludge Holding Tanks & Roofs

THAMES WATER UTILITIES LIMITED · South East

Key facts

Awarded
15 Sep 2026
Contract starts
01 Nov 2026
Contract ends
31 Oct 2029
Procedure
Competitive flexible procedure (framework)
Buyer type
Utilities & transport

Awarded to 5 suppliers

SupplierValue
Stortec Engineering Ltd—
Gel Engineering Ltd—
BALMORAL TANKS LIMITED—
TANK CONSULT LIMITED—
MSD DESIGN LIMITED—

Description

This procurement is for the supply and commissioning of sludge tanks, digesters, other associated tanks, roofs, and related items at various wastewater treatment sites. Target Sites The procurement will cover purchase, installation and commissioning of new sludge tanks, digesters, and other associated tanks and roofs and associated items. Objectives • Compliance: Ensure compliance with legislation, improve the environmental impact of the STW and provide infrastructure which is fit for purpose. • Commercial Value: Optimise the material and delivery solution to maximise commercial efficiencies for Thames Water • Futureproofing: Implement a framework which enables Thames Water to be able toe secure the capacity it requires for future programmes of works Procurement Approach: A competitive tender process will be undertaken to appoint a supplier(s) capable of delivering the required scope. The strategy favours a supplier who can streamline delivery, ensure consistency, and maximise commercial and operational benefits. Procurement Timeline Considerations: The procurement timeline is currently under review due to strategic and regulatory reassessments at certain sites. Specifically: • A study evaluating the requirements to meet the Environment Agency IED requirements is ongoing, with outcomes expected later in the year. These findings will inform final scope and procurement readiness Expected Outcomes • Improved asset reliability and operational performance • Enhanced alignment with environmental and regulatory objectives • Commercial efficiencies through strategic sourcing and standardisation

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