1. EN-STI Group meeting 1 st February 2013 EN-STI Group meeting 1 st February 2013 Interventions for LS1 Elodie Macario EN/STI

2. Outline  Introduction  Presentation of the interventions  Calendar of the LS1 at ISOLDE  Conclusion

3. Introduction  The long shutdown 1 (LS1) at ISOLDE will enable us to carry out various interventions in the facility  Routine interventions  Repairs  Maintenance  Upgrade of the facility  In the target area, labs, class A lab, experimental hall, …  ISOLDE  EN, PH, BE, TE  LS1 prepared in collaboration with several departments

4. Presentation of the interventions  Target area (building 838):  Handling and transfer of the targets from the target area to ISR 3  Replacement of the robots  Relocation of the services (ventilation, ducts, cooling system, electrical cables)  Repairs of the extraction electrode mecanism  Maintenance of the Front-Ends  Connection of the High Voltage and radiofrequency supply  BTY pick ups  Replacement of the shielded shelves  Installation of the RCS (Rail Conveyor System)  Proton beam alignment with the SEMGRID target

5. Presentation of the interventions  Building 179:  Post mortem analysis of the target NaF #478  Smear tests on the target BeO #396  Maintenance of the pumpstands  PAD/MAD installation  Hot cell and RABIT dismantling  Civil engineering of the new MEDICIS lab  Experimental hall (building 170):  Exchange of the laser windows  Work on the lasers  RFQ cooler realignment  Consolidation of ISOLDE slits  HIE ISOLDE works  Laboratories and other activities

6. Handling and transfer of the targets  Transfer from the target area to the ISR 3  Lowered type A container and remote controlled pedestrian stacker  Done on weekend to limit risks  Positioning of the box containing the targets in the ISR 3  First intervention to reduce the dose rate in the target area

7. Replacement of the robots  Installation of the shieldings and the cover plates  Decrease the dose rate before interventions > January Dismantling of the old robots, rails, cables, robot control room … Installation of the new rails, robots, … on the ceiling Installation of a cabling interface box In collaboration with EN-HE and EN-STI-TCD

8. Relocation of the services Assumed by EN-CV et EN-EL  Ventilation ducts, cooling system and cables are in the way of the new rails (GPS side)  Need to modify their layout in order for the new rails to have enough space to be installed

9. Repairs of the extraction electrode mecanism  Due to a problem on the electrode in 2012 (GPS Front- End)  Possibility to do the same repairs on HRS Front-End as a preventive maintenance

10. Maintenance of the Front-Ends  Annual preventive maintenance  Electrode removal  Lubrication  Cleaning  Visual inspection

11. Connection of the High Voltage and radiofrequency supply GPS Front-End  Installation of 2 new cables  1 for high voltage  Connect it on an existing connector  1 for radiofrequency  Install a new connector before connection  In order for the “RF source” targets to be compatible with both GPS and HRS Front-Ends Intervention made depending on the collective and individual dose

12. BTY pick ups  Dismantling of the 2 pick-ups  Dismantling of one pick-up’s transition chamber  Modification of the electronics, reassembly  Vacuum test  Reassembly on the BTY line then put under vacuum In Building179 Assumed by BE/BI

13. Replacement of the shielding shelves  Design, build and test a new shelf system dedicated to target storage inside the target area  Micro-switches indicating (in the robot control room) the occupation of each individual shelf space  Modification of the door controls (electrical control, electrovannes put outside to facilitate interventions in case of failure) In collaboration with BE/OP

14. Installation of the RCS (Rail Conveyor System)  Preparation of the Faraday Cage HRS  Installation of the rails to the dump RCS can be used for new cameras

15. Proton beam alignement with the SEMGRID target  Check of the proton beam position on the target once the PS Booster is restarted (16 th June 2014)  Corrections of the position if needed

16. Layout  Building 179:  Post mortem analysis of the target NaF #478  Smear tests on the target BeO #396  Maintenance of the pumpstands  PAD/MAD installation  Hot cell and RABIT dismantling  Civil engineering of the new MEDICIS lab  Experimental hall (building 170):  Exchange of the laser windows  Work on the lasers  RFQ cooler realignment  Consolidation of ISOLDE slits  HIE ISOLDE works  Laboratories and other activities

17. Post mortem analysis and smear on targets  Post mortem analysis on a target following a short cut  Improvement of the next set of targets of the same type  Post mortem analysis under a fume cupboard in the class A lab  Smear on a target  Is there any accumulation or a diffusion of isotopes on the surface ?  Know the composition  Smear under a fume cupboard in the class A lab

18. Maintenance of the pumpstands Performance of the oil pumps decreases throughout the year  Changing the oil of the 2 pumps  Contaminated oil but no dose rate  Put a special protection cover in order to protect the connections

19. PAD/MAD installation In charge: GS-ASE-SSE CHECK POINT RP PAD KEYS MMAD MAD

20. Hot cell and RABIT dismantling  Current RABIT will be replaced by a new one, dedicated to CERN-MEDICIS  Current hot cell will be replaced by a new one enabling the dismantling of actinide targets

21. Civil engineering of the new MEDICIS lab Buffer area RCS Mass separator New target storage New hot cell Recuperation of dumped protons for the production of medical isotopes

22. Layout  Building 179:  Post mortem analysis of the target NaF #478  Smear on the target BeO #396  Maintenance of the pumpstands  PAD/MAD installation  Hot cell and RABIT dismantling  Civil engineering of the new MEDICIS lab  Experimental hall (building 170):  Exchange of the laser windows  Work on the lasers  RFQ cooler realignment  Consolidation of ISOLDE slits  HIE ISOLDE works  Laboratories and other activities

23. Exchange of the laser windows  Laser ionisation is used for a lot of experiments at Isolde  laser passes through a window made of quartz in the separator magnets. Windows become opaque both because of the laser beam and the lost secondary beam  To ensure an efficient laser ionisation  windows are replaced each year  In the separator areas (GPS and HRS)  Protection of orings from laser light needs to be integrated

24. Work on the lasers  Extension of RILIS cabin  Modification of the HRS laser window holder  Make an extension tube for mounting the window outside magnet  To replace the removal tool  Easy to inspect, easy to replace  RILIS machine protection system  GPS laser beam launch  New laser for non-resonant ionization  New and improved RILIS schemes for the Dual RILIS system In charge: BE-OP and EN/STI/LPC

25. RFQ cooler realignement  RFQ cooler’s internal components are not aligned  Affects the beam transport  Correction of the alignement of the RFQ cooler’s internal components  Checking of the internal electrodes  Calibration of helium buffer gas valve

26. Consolidation of ISOLDE slits  Electronics of the controller, motors and resolver doesn’t work  Fabrication  Removal of the pieces of equipment  Replacement In collaboration with: EN/STI/ECE

27. HIE ISOLDE works  Upgrade of the demineralized water system  Cabling  Safety system installation  Arcon  RAMSES  Fire detection  Start of the cryogenic system installation  Services, magnets and beam diagnostic installation  Linac tunnel installation We are involved in :

28. Layout  Building 179:  Post mortem analysis of the target NaF #478  Smear on the target BeO #396  Maintenance of the pumpstands  PAD/MAD installation  Hot cell and RABIT dismantling  Civil engineering of the new MEDICIS lab  Experimental hall (building 170):  Exchange of the laser windows  Work on the lasers  RFQ cooler realignment  Consolidation of ISOLDE slits  HIE ISOLDE works  Laboratories and other activities

29. Laboratories and other activities  Dismantling of the 26/R-042 (old class C lab) and installation of a new fume cupboard  Marie Curie activities  FE assembly, RFQ, off line assembly  2 new tape stations  Pump stand x 2 (building 3)  Off line maintenance  Pill press  Target development  Lead Bismuth loop  Uranium carbide  New materials  Nano lab

30. LS1 calendar at ISOLDE 2013 March April May Post mortem analysis and smear on targets Handling and transfer of the targets from the target area to ISR 3 Shieldings, Cover trenches Hot cell dismantling Start of the civil engineering of the new MEDICIS lab June BTY pick ups August Robot dismantling Relocation of the services September October New robots installation Replacement of the shielding shelves November Maintenance of the pumpstands December PAD/MAD installation

31. LS1 calendar at ISOLDE 2014 January Dismantling of the robot control room Installation of the new RABIT FebruaryNew hot cell installation March RFQ cooler realignement Repairs of the extraction electrode mecanism Maintenance of the Front-Ends Adding of the RF on the HRS Front-End (?) Exchange of the laser windows April May Cold check out JuneBeam test alignement with the SEMGRID target

32. Conclusion  LS1 will enable us to upgrade a large part of the facility  Several sections of the EN/STI group and several other departments will work in collaboration in order to manage all the interventions  Collective and individual doses will be reduced as much as possible and estimated thanks to the establishment of WDP  15 WDP under preparation  Safety during operations will be optimized and people will be informed