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ATLAS LS1 infrastructure: Installation of a new 10’000 litre LHe dewar for the Solenoid

ATLAS LS1 infrastructure: Installation of a new 10’000 litre LHe dewar for the Solenoid. N. Delruelle on behalf of the TE/CRG group LS1 Infrastructure Meeting – 09 Jul 2014. 3D-model of the new supply. Existing transfer line TL2. New transfer line TL4. New 10’000 L dewar.

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ATLAS LS1 infrastructure: Installation of a new 10’000 litre LHe dewar for the Solenoid

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  1. ATLAS LS1 infrastructure: Installation of a new 10’000 litreLHedewar for the Solenoid N. Delruelleon behalf of the TE/CRG groupLS1 Infrastructure Meeting – 09 Jul 2014

  2. 3D-model of the new supply Existingtransfer line TL2 New transfer line TL4 New 10’000 L dewar Existingtransfer line TL3 to solenoid New valve box Courtesy of Jos Metselaar

  3. New supplyinstalled New 10’000 L dewar New transfer line TL4 (during transport)

  4. New supply installed

  5. Installation & Tests planning • 10% X-rays on weldingsbetweendewar, TL4 and valve box: • Tue 15 July 2014 • Heliumleaktest on dewar, TL4 and valve box: • Thu 17 & Fri 18 July 2014 • Pressure test of the wholesupplybeforeconnection (cutting) to the existing system: • Mon 21 & Tue 22 July 2014 • Outgassing of TL4 & TL5 with hot GN2 (~100 °C) sent from USA15 towards UX15: • FromWed 23 till Tue 29 July 2014

  6. Installation & Tests planning Point of no-return… Thanks for your attention ! • Cutting of the existing TL3 (going to Solenoid control dewar): • From Thu 24 till Thu 31 July 2014 • 100% X-rays on weldingsdone on the existing TL3: • Thu 31 July 2014 • Final tests afterconnection to existing system: • From Mon 04 till Fri 08 Aug 2014

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