2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

10. 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

11. 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

12. 01/09/2016
J.Creus Prats - CERN

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

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

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