Source: https://tendernation.io/opportunities/01a13b93-eb76-7184-b7af-d46402d52748/howdon-stw-upgrade-improved-resilience closed GB restricted procedure # Howdon STW Upgrade: Improved Resilience [Northumbrian Water Group Limited](https://tendernation.io/buyers/northumbrian-water-group-limited) Estimated value £120,000,000 Published 5 Aug 2022 Deadline Closed 16 Sept 2022 ## About this tender Northumbrian Water Limited are looking to appoint a contractor to construct an upgrade to Howdon Sewage Treatment Works (STW). Some assets on the existing STW require replacing to increase the overall resilience to the site. Phase 1 (to be constructed under this contract) shall include two new pumping stations to transfer flows (6,200l/sec) from one process area to another and a storm tank. ### Estimated Value of Phase 1 - £40m In addition Subject to clause 50(1)(f) of the Utilities Contract Regulations it is the intention that NWG may direct award Phase 2 of this project to the successful tenderer for Phase 1, due to it being an extension of the original work and consist of similar work activity. Any award of phase 2 would be subject to the satisfactory performance of the successful tenderer for Phase 1 and the ability to agree the price and programme for Phase 2. NWL would retain sole discretion on whether Phase 2 would be directly awarded to the successful tenderer or an alternative procurement was carried out. The estimated value of Phase 2 is £80m. Phase 2 scope shall include new secondary treatment, final settlement, UV treatment and a storm tank. NWL reserve the right to award either all or part of each phase of the proposed contracts subject to budget constraints. NWL expects any shortlisted contractors to engage in value engineering with NWL to ensure maximum value can be delivered for the available budget. NWL are looking to appoint a contractor to work collaboratively in line with NWL's vision and values while driving innovation and efficiency throughout the lifecycle of this project. Read full description ## CPV classification Sewage treatment works Pumping station construction work Sewage pumping stations construction work Wastewater pumping station Construction work for water projects Construction works for sewage treatment plants, purification plants and refuse incineration plants Source Find a Tender (UK) · Notice ocds-h6vhtk-035973-2022-08-05T15:41:38+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-035973-2022-08-05T15:41:38+01:00) 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 Northumbrian Water Group Limited: past awards and live tenders](https://tendernation.io/buyers/northumbrian-water-group-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) [Treloweth Community Hall Alterations and Extension Project · Carn Brea Parish Council · 49 days left · 7 Dec 2026](https://tendernation.io/opportunities/01a154e4-4991-71db-baac-ffae413f1c41/treloweth-community-hall-alterations-and-extension-project) [Norwich City Verges Mowing 2026 · Norse Eastern Ltd · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a15476-5fd9-70eb-b920-a66dc3e661e1/norwich-city-verges-mowing-2026) [Gwasanaethau Toeau - Gwaith cyfalaf wedi'i gynllunio ac atgyweiriadau ymatebol / Roofing Services - Planned capital works and responsive repairs · Denbighshire County Council · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15476-6094-72b9-928b-5c887e7ceea4/gwasanaethau-toeau-gwaith-cyfalaf-wedii-gynllunio-ac-atgyweiriadau-ymatebol) [Repair of St Michaels and All Angels Church Wall · Aylsham Town Council · 31 days left · 19 Nov 2026](https://tendernation.io/opportunities/01a15476-6316-7235-8948-8f108b3da399/repair-of-st-michaels-and-all-angels-church-wall) [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)