Tenders Are Invited For Liquid Nitrogen – Supply Of Liquid Nitrogen, Rental And Maintenance Of The Nitrogen Tank For The Period 2026-2036

Liquid Nitrogen – Supply Of Liquid Nitrogen, Rental And Maintenance Of The Nitrogen Tank For The Period 2026-2036. In The Context Of The Cigéo Project (Industrial Geological Storage Center), Andra Successively Acquired In 2007 And 2014: - A System To Precisely Describe The Environment Of The Site Likely To Host The Future Radioactive Waste Storage Center In Meuse/Haute-Marne: The Perennial Environmental Observatory (Ope). This Observatory Is A Long-Term Research And Observation Tool For The Environment, - A Bank Of Environmental Samples Housed In A Dedicated Building Called The Ecothèque, Making It Possible To Sustainably Preserve The Environmental Samples Taken As Part Of The Opes Activities And To Ultimately Offer The Possibility Of Carrying Out Retrospective Analyzes On These Samples. These Samples Are Preserved In Three Ways: Cryogenics, Freezing Or At Room Temperature. To Preserve The Samples Preserved Under Cryogenics, Andra Had To Equip Itself With A Cryogenic Network Including A Nitrogen Tank Supplied With Liquid Nitrogen Which Makes It Possible To Supply The Entire Cryogenic Network And In Particular The Cryogenic Equipment At The End Of The Line (Tanks). The Purpose Of This Contract Is The Rental Of The Nitrogen Tank, The Supply Of Liquid Nitrogen, The Maintenance Of The External Nitrogen Tank And The Installation Of A Higher Capacity Nitrogen Tank.