Neutrino Platform Proximity Cryogenics 62th EHN1 Cryogenics Integration Redouan Abdennour, Johan Bremer, Michel Chalifour, Joaquim Creus, Aurelien Diaz, David Montanari 01/09/2016 J.Creus Prats - CERN

Proximity cryogenics contract NP-02 Integration NP-04 Integration Contents Proximity cryogenics contract NP-02 Integration NP-04 Integration Schedule 01/09/2016 J.Creus Prats - CERN

Proximity cryogenics contract Invitation to tender is out since may 18th Bidders conference held on June 8th Eight firms invited to the conference Visit to EHN1 Bid opened on July 8th Offers received under analysis Finance committee on September 16th Contract Award 01/09/2016 J.Creus Prats - CERN

NP-02 Cryo piping NITROGEN ARGON •Cryostat and Proximity Cryogenics connected with electrical breaks •Proximity Cryogenics and External Cryogenics Interconnection •Liquid discharge and collection pipes are placed to walk around the cryostat 01/09/2016 J.Creus Prats - CERN

NP-02 Cable Trays •Electrical cabinet is raised to allow lower cabling access •Cable trays are placed on the edge of proximity cryogenics platform •Cable trays use the gallery to access the electrical cabinet from the bottom •Cryostat cable tray for gas analyzers and pressure sensors 01/09/2016 J.Creus Prats - CERN

NP-02 Warm Piping NITROGEN ARGON •Warm interconnect cryostat with gas services •Argon and Nitrogen cryogenics vent discharge in the external cryogenics area •Vent piping has large diameter to minimize pressure drop after safety valve •Vent piping is designed in order to avoid condensate accumulation (siphon) 01/09/2016 J.Creus Prats - CERN

NP-04 Cryo piping •Cryostat and Proximity Cryogenics connected with electrical breaks •Proximity Cryogenics and External Cryogenics Interconnection •Liquid discharge and collection pipes are placed to walk around the cryostat 01/09/2016 J.Creus Prats - CERN

NP-04 Cable Trays • Racks accessed from the bottom • Cable trays in main trench • Intermediate connection to valve boxes TRENCH 01/09/2016 J.Creus Prats - CERN

NP-04 Warm Piping •Warm interconnect cryostat with gas services •Argon and Nitrogen cryogenics vent discharge in the EHN1 Jura side •Vent piping has large diameter to minimize pressure drop after safety valve •Vent piping is designed in order to avoid condensate accumulation (siphon) 01/09/2016 J.Creus Prats - CERN

Proximity cryogenics: Schedule Schedule to be updated according to selected supplier execution proposal Precedent activities External cryogenics Proximity cryogenics platforms Proximity cryogenics: Installation of valve boxes Installation of cryogenic transfer lines Acceptance tests performed by 2017 week 50 Parallel activities Warm piping 01/09/2016 J.Creus Prats - CERN

01/09/2016 J.Creus Prats - CERN

Raised Electrical Cabinet Backup Slides Raised Electrical Cabinet 01/09/2016 J.Creus Prats - CERN

Backup Slides NP-04 Vent Sizing 01/09/2016 J.Creus Prats - CERN

NP-02 Building Penetration Backup Slides NP-02 Building Penetration 01/09/2016 J.Creus Prats - CERN