Source: https://tendernation.io/opportunities/01a14097-ecdc-7256-8624-becc36b1892e/norway-purification-plant-repair-and-maintenance-work-renovation-of-sand-fil closed NO open procedure # Purification-plant repair and maintenance work – Renovation of sand filters at Bekkelaget wastewater treatment plant. [Oslo kommune v/ Vann- og avløpsetaten](https://tendernation.io/buyers/oslo-kommune-v-vann-og-avlopsetaten) Estimated value NOK 20,000,000 Published 6 Feb 2026 Deadline Closed 9 Mar 2026 ## Who can bid - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender At the Bekkelaget wastewater treatment plant, we have a total of 28 sand filters, and we are seeking a framework agreement for the replacement of these. Two sand filters are to be replaced annually. The work consists of: \* Suction and removal of filter media \* Removal of existing nozzles and installation of new ones \* Procurement and supply of new filter material The framework agreement will have a duration of 3 years from the date of the last signature. The contracting authority has the option to extend the agreement for an additional 3 + 2 years on unchanged terms. The maximum possible contract duration is 8 years. A framework agreement will be entered into with one supplier for this assignment. The contracting authority reserves the right to enter into contracts with other suppliers if deemed appropriate. The financial limit for this framework agreement is NOK 20,000,000 excluding VAT. The framework agreement will terminate when the financial limit is reached or upon expiration of the agreement period. ## CPV classification Purification-plant repair and maintenance work Repair and maintenance services Repair and maintenance services for pumps, valves, taps and metal containers and machinery Repair and maintenance of plant Source Tenders Electronic Daily (EU) · Notice 87365-2026 [View official notice](https://ted.europa.eu/en/notice/87365-2026) 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 Oslo kommune v/ Vann- og avløpsetaten: past awards and live tenders](https://tendernation.io/buyers/oslo-kommune-v-vann-og-avlopsetaten) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Tender for the construction of NEW playpark at riverside walk, dromore · Fermanagh and Omagh District Council · 22 days left · 11 Nov 2026](https://tendernation.io/opportunities/01a15a0a-9d8a-726a-b85d-592434703f14/tender-for-the-construction-of-new-playpark-at-riverside-walk-dromore) [The Harlington Refurbishment And Remodelling · Fleet Town Council · 32 days left · 21 Nov 2026](https://tendernation.io/opportunities/01a15a0a-9edb-71f1-a0dd-a39cb05f9321/the-harlington-refurbishment-and-remodelling) [Boiler Replacement Scheme · West Yorkshire Fire and Rescue Authority · 59 days left · 18 Dec 2026](https://tendernation.io/opportunities/01a1599c-ca0f-7129-83ab-7f5da966bec5/boiler-replacement-scheme) [Building Repairs & Maintenance Lot 1 Electrical Lot 2 Mechanical · Derbyshire Dales District Council · 40 days left · 29 Nov 2026](https://tendernation.io/opportunities/01a15934-2662-73b5-8d63-abd6e1946ccd/building-repairs-maintenance-lot-1-electrical-lot-2-mechanical) [Repairs and Maintenance of Derbyshire Dales District Council Buildings, Lot 1 Electrical, Lot 2 Mechanical · Derbyshire Dales District Council · 41 days left · 30 Nov 2026](https://tendernation.io/opportunities/01a1599c-cc30-708e-a64f-c24f3506b98b/repairs-and-maintenance-of-derbyshire-dales-district-council-buildings-lot-1-el) [CA18585 - ITT Repair and replacement works to whole site drainage system · Diocese of Norwich Education and Academies Trust · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a1594a-591e-7334-8085-35e92dcd67f8/ca18585-itt-repair-and-replacement-works-to-whole-site-drainage-system)