Source: https://tendernation.io/opportunities/01a14096-396b-715b-8f6a-05eda0adedce/norway-construction-works-for-sewage-treatment-plants-purification-plants-and closed NO # Construction works for sewage treatment plants, purification plants and refuse incineration plants – Expansion of Tangen sewage treatment plant - Process contract EP1. [Midtre Romerike Avløpsselskap - MIRA IKS](https://tendernation.io/buyers/midtre-romerike-avlopsselskap-mira-iks) Estimated value NOK 130,000,000 Published 16 Feb 2026 Deadline Closed 16 Mar 2026 ## About this tender The expansion of Tangen Treatment Facility consists of the development of a new treatment stage for reducing nitrogen in the purified sewage water in a separate building, with connection to the existing treatment facility with the necessary adaptations. The delivery will to some extent lead to work in the existing treatment facility. The process contract will be executed as an interaction contract based on a modified version of NS 8407. ## CPV classification Construction works for sewage treatment plants, purification plants and refuse incineration plants Sewerage works equipment Engineering services Source Tenders Electronic Daily (EU) · Notice 109012-2026 [View official notice](https://ted.europa.eu/en/notice/109012-2026) 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 Midtre Romerike Avløpsselskap - MIRA IKS: past awards and live tenders](https://tendernation.io/buyers/midtre-romerike-avlopsselskap-mira-iks) [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) [Construction work – (WZNOWIONE POSTĘPOWANIE) Budowa i przebudowa kogeneracji gazowych o łącznej mocy 4,636 MWe i 5,729 MWt w Elektrociepłowni Ciechanów · Elektrociepłownia Ciechanów sp. z o.o. · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a156a9-8e72-7024-a07c-4da735079800/poland-construction-work-wznowione-postepowanie-budowa-i-przebudowa-kogene) [Demolition work – Rück- und Neubau Lichthochmaste · Hamburg Verkehrsanlagen GmbH · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a156a9-6ef0-7276-94e2-d5fa0cb2d6c7/germany-demolition-work-ruck-und-neubau-lichthochmaste) [Heating plant construction work – Petrašiūnų elektrinės elektrifikacija, įrengiant elektros energijos kaupimo įrenginius, dyzelinį generatorių ir rekonstruojant 6 kV skirstyklą (projektavimas ir rangos darbai) · Akcinė bendrovė „Kauno energija“ (PV) · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a156a9-6f1d-727f-a077-bc25dec93b92/lithuania-heating-plant-construction-work-petrasiunu-elektrines-elektrifikac) [Floor-covering work – Universität Leipzig, Leuschnerplatz, Global Hub, Forschungsneubau · Staatsbetrieb Sächsisches Immobilien- und Baumanagement, Zentrale, Zentralstelle Vergabe- und Vertragsmanagement · 2 days left · 22 Oct 2026](https://tendernation.io/opportunities/01a156a9-acfc-73ee-baab-9e699f88521a/germany-floor-covering-work-universitat-leipzig-leuschnerplatz-global-hub) [Building construction work – Budowa budynku mieszkalnego wielorodzinnego wraz z infrastrukturą techniczną w miejscowości Szczucin · KZN SIM Tarnów Sp. z o.o. · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a156a9-d859-7328-9ee6-a304ce645326/poland-building-construction-work-budowa-budynku-mieszkalnego-wielorodzinneg)