Source: https://tendernation.io/opportunities/01a14088-b81f-718f-9d06-837cfefb41c1/norway-water-treatment-chemicals-framework-agreement-for-the-purchase-of-co2 closed NO open procedure # Water-treatment chemicals – Framework agreement for the purchase of CO2 for water treatment [Oslo kommune v/ Vann- og avløpsetaten](https://tendernation.io/buyers/oslo-kommune-v-vann-og-avlopsetaten) Estimated value NOK 45,000,000 Published 16 Apr 2026 Deadline Closed 28 Apr 2026 ## Who can bid - 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. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender The Agency for Water and Sewerage Works (VAV) needs to deliver CO2 that is used for water treatment at VAV ́s facilities. VAV shall enter into a new framework agreement for CO2 for the facilities at Oset and Skullerud. The need for CO2 delivered to the plants is estimated to be approx. 2,800 tonnes per annum, divided in approx. 2,500 tonnes at Oset and approx. 300 tonnes at Skullerud VBA. The consumption is evenly distributed throughout the year. The stated volume is estimated from the current consumption and is only meant as information to tenderers. From 2028 it is expected that consumption at Oset will be reduced. The extent of this is uncertain. Tenderers shall also offer maintenance/service of the CO2 plant and gas safety courses. A site inspection will be held, see the tender documentation point 3.2 for further information. ## CPV classification Water-treatment chemicals Chemical products Fine and various chemical products Various chemical products Carbon dioxide Gases Source Tenders Electronic Daily (EU) · Notice 261708-2026 [View official notice](https://ted.europa.eu/en/notice/261708-2026) 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 Chemical products tenders](https://tendernation.io/sectors/chemical-products) ## More tenders like this [Miscellaneous fertilisers – Płynny nawóz azotowo-siarkowy RSM S 26 N + 3% S lub produkt zastępczy · Instytut Zootechniki - Państwowy Instytut Badawczy 31-047 Kraków, ul. Sarego 2 Zakład Doświadczalny Pawłowice · 35 days left · 24 Nov 2026](https://tendernation.io/opportunities/01a156a9-8992-71ef-aac3-d38a29289a80/poland-miscellaneous-fertilisers-plynny-nawoz-azotowo-siarkowy-rsm-s-26-n) [Greases and lubricants – Contratación del suministro de Lubricantes (Aceites y grasas) para el mantenimiento y conservación del parque de maquinaria y vehículos de TRAGSA a adjudicar por Procedimiento abierto sujeto a regulación armonizada. · Empresa de Transformación Agraria S.A.,S.M.E., M.P., (TRAGSA) · 15 days left · 3 Nov 2026](https://tendernation.io/opportunities/01a156a9-ca56-7121-9e59-f8669b94061d/spain-greases-and-lubricants-contratacion-del-suministro-de-lubricantes-ace) [Chemical products – DAT 5026011724 - produtos químicos PARA AS aeronaves eh-101 DA força aérea portuguesa PARA 2027 · Estado Maior da Força Aérea · 27 days left · 15 Nov 2026](https://tendernation.io/opportunities/01a156a9-e989-7368-8d41-f3d2d43eb3b2/portugal-chemical-products-dat-5026011724-produtos-quimicos-para-as-aerona) [Medical gases – Suministro de oxigeno y nitrogeno, que incluye mantenimiento y asistencia tecnica para los centros dependientes de la Gerencia deAtencion Primaria del Area de Salud de Tenerife · Dirección del Servicio Canario de Salud · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a156a9-66c4-71be-a5d6-840236e0b96e/spain-medical-gases-suministro-de-oxigeno-y-nitrogeno-que-incluye-mantenimi) [Fuses, caps, igniters and electric detonators – Achizitia a 75 de sisteme wireless de inițiere a materiilor explozive · Ministerul Apararii Nationale - Unitatea Militara 01020 · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a156a9-ca3c-72d2-9571-74f7359487b1/romania-fuses-caps-igniters-and-electric-detonators-achizitia-a-75-de-sist) [Primary-form acrylic polymers – Zakup i dostawa polielektrolitu w postaci emulsji do odwadniania osadu przefermentowanego po I i II stopniu fermentacji w wirówkach dekantacyjnych dla Grupowej Oczyszczalni Ścieków Łódzkiej Aglomeracji Miejskiej · Zakład Wodociągów i Kanalizacji Sp. z o.o. · 17 days left · 5 Nov 2026](https://tendernation.io/opportunities/01a156a9-cc17-71fb-9514-876c6f871098/poland-primary-form-acrylic-polymers-zakup-i-dostawa-polielektrolitu-w-posta)