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The SOUTHERN WATER SERVICES LIMITED has issued a Tender notice for the procurement of a Market Engagement Notice - Biogas Assets, Digester Maintenance and Tanks in the United Kingdom. This Tender notice was published on 20 Jun 2026 and is scheduled to close on 14 Aug 2026, with an estimated Tender value of Refer Document. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 143664407, while the tender notice number is Prj_8400 and Registering on the platform.
Procurement Summary
Country: United Kingdom
Summary: Market Engagement Notice - Biogas Assets, Digester Maintenance and Tanks
Deadline: 14 Aug 2026
Posting Date: 20 Jun 2026
Other Information
Notice Type: Tender
TOT Ref.No.: 143664407
Document Ref. No.: Prj_8400
Competition: ICB
Financier: Self Financed
Purchaser Ownership: Public
Tender Value: Refer Document
CPV Classification
42996900 - Sludge-processing equipmentPurchaser's Detail
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General Requirements - • Design and specification • Manufacture and/or supply • Installation and commissioning • Planned preventative maintenance (PPM) • Reactive maintenance and repair • Refurbishment and replacement • Process optimisation and performance improvement For the following areas - A. Digester Systems - Southern Water operates 43 digesters across 16 Sludge Treatment Centres (STCs), with a full cleaning and maintenance cycle typically undertaken on a circa 9-year basis. Between major interventions, assets undergo routine inspection and maintenance to ensure continued safe and efficient operation. B. Biogas Assets - Southern Water operates a range of biogas assets supporting anaerobic digestion and energy recovery processes. These assets are critical to operational performance and safety compliance C. Tank Systems (Non-Concrete) - Southern Water operates a range of non-concrete tank systems across its water and wastewater operations - circa 200+. These assets are used for a variety of applications including the storage of drinking water, wastewater and sewage treatment, process water, industrial effluent, anaerobic digestion/biogas processes, and bulk solids.
Notice identifier : 2026/S 000-058218
CPV classifications: 42996900 - Sludge-processing equipment44611420 - Sludge-storage tanks44611500 - Water tanks45232422 - Sludge-treatment works
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