Source: https://tendernation.io/opportunities/01a14097-02fa-7393-a6ea-c51ce95e5d16/norway-works-for-complete-or-part-construction-and-civil-engineering-work-co closed NO open procedure # Works for complete or part construction and civil engineering work – Competition - Secondary treatment and phosphor removal, Høvringen Treatment Facility 400115 [Trondheim kommune](https://tendernation.io/buyers/trondheim-kommune) Estimated value Not stated Published 11 Feb 2026 Deadline Closed 13 Mar 2026 ## Who can bid - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender The contracting authority invites tenderers to an open tender contest for secondary treatment and phosphor removal Høvringen treatment facility (HØRA). Høvringen treatment facility is one of Trondheim municipality ́s two major sewage treatment plants, and cleanses the sewage for 2/3 of the town population. The treatment plant has been operated in accordance with requirements for expanded primary purification, but in 2024 received a new discharge permit which requires secondary purification as well as a 40% reduction of phosphor. The contracting authority ́s deadline to fulfil these requirements is set to 01.01.2028. The tenderer ́s deadline is 01.12.2027. ## CPV classification Works for complete or part construction and civil engineering work Engineering works and construction works Construction work for water and sewage pipelines Drains construction work Construction works for sewage treatment plants, purification plants and refuse incineration plants Sewage-treatment plant construction work Source Tenders Electronic Daily (EU) · Notice 97728-2026 [View official notice](https://ted.europa.eu/en/notice/97728-2026) 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 Trondheim kommune: past awards and live tenders](https://tendernation.io/buyers/trondheim-kommune) [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)