Source: https://tendernation.io/opportunities/01a13bb3-dea1-72de-9569-45ada0a7d37d/mains-rehabilitation closed GB restricted procedure # Mains Rehabilitation [Thames Water Utilities Limited](https://tendernation.io/buyers/thames-water-utilities-limited) Estimated value £440,000,000 Published 20 Jan 2025 Deadline Closed 14 Jan 2025 ## Who can bid - Split into 2 lots You can usually bid for just the lots you can deliver. - Sets up a framework Winning a place does not guarantee work: contracts are awarded later as call-offs, and the list usually stays closed for years. ## About this tender This project includes, but is not limited to the following packages of work: A new chemical storage and dosing system to aid Phosphorus removal A new pre-aeration primary tank supernatant and RAS mixing and distribution chamber A new activated sludge aeration lane that matches existing with two new 35 m diameter final settlement tanks and RAS system A new Tertiary Solids Removal treatment stage ### A new standby power facility A new centrate storage tank and pump system to return centrate for treatment A new Picket Fence Thickener to operate in parallel to two existing units A new liquor return pump station to return site liquors for treatment ## CPV classification Construction work Building construction work Source Find a Tender (UK) · Notice ocds-h6vhtk-04c0ac-2025-01-20T12:40:35Z [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-04c0ac-2025-01-20T12:40:35Z) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Thames Water Utilities Limited: past awards and live tenders](https://tendernation.io/buyers/thames-water-utilities-limited) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Building Minor Works · Derbyshire Support and Facilities Services Limited · 26 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15408-9087-7003-bd47-df7bc19d7ff7/building-minor-works) [DGT Helipad Design and Construction · Dartford and Gravesham NHS Trust · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15408-969e-7140-a307-fe72fa7128be/dgt-helipad-design-and-construction) [Boiler Replacement Programme · Derbyshire Support and Facilities Services Limited · 26 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15408-9933-7015-97a0-37aa8d57c009/boiler-replacement-programme) [Construction of the Chiropractic Car Park, Treforest Campus · University of South Wales · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a15408-a995-70e5-b8b1-7c6a14e2e878/construction-of-the-chiropractic-car-park-treforest-campus) [Boiler chemical and Softener Services · Maidstone and Tunbridge Wells NHS Trust · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a1539a-d092-736b-88d2-6bdc251cddb6/boiler-chemical-and-softener-services)