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LS2 planning meeting

Detailed schedule for maintenance and upgrades at CERN from 2019 to 2020, including equipment testing, network maintenance, interventions, and activities for various systems. Check the proposed dates for copper cables, optical fibers, and other critical activities within the LS2 planning meetings.

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LS2 planning meeting

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  1. LS2 planning meeting A.Tauro

  2. LS2 master plan LS2 planning meeting

  3. EN-EL interventions LS2 planning meeting • AUG on Monday 25 March 2019 - no access on site (both surface and underground) • Diesel maintenance: 1 Apr 2019 - Done • CERN wide 66kV maintenance: 28 May 2019 to 19 July 2019 – reduced consumption (i.e. no magnets) • Test secours (10 min): 19 Dec 2019 from 8:00 AM to 11:00 AM • 18kV, 3.3kV and LV network maintenance: • Mon 20 to Wed 22 Jan 2020: 3 days no general services - no access on site (both surface and underground) • Thu 23 to Fri 24 Jan 2020: 2 days ‘’Limited access’’  details being worked out • AUG on Monday 27 January 2020 - no access on site (both surface and underground) • Auto transfer test: 27-29 Apr 2020 • BIW test: 5 and 6 Oct 2020 from 18:00 to 00:00 – no access underground

  4. EN-CV interventions LS2 planning meeting • Big maintenance: • SF: from Nov 2019 to mid Jan 2020. NO impact on ALICE as both magnets will be OFF. • UW: stop UX mixed water for 2 days in week 40/2019 (October). • SU: various small perturbations + 1 day stop all cooling UX + 1 day stop all cooling SXL2 in week 16/2020 (April). • Small maintenance: • UW: from mid Aug 2020 to mid Sep 2020. Stop mixed water UXfor 1 day in week 37/2020 (September). • SF+SU: weeks 45-47/2020: cleaning towers (stop SF 1 week) + 1 day stop all cooling UX. • Ventilation: • SG2: w7/2019 - Done • Gas extraction: w8/2019 - Done • UX25 cavern: May 2020 (tbc) • MCH and MTG: Apr 2020 (tbc) • L3: Apr 2020 (tbc) • ITS: Apr 2020 (tbc) • Raw water: • Test after Apr 2019. Short interruption (1 day), can be used tap water during the test.

  5. CERN Open Days Sat 14 and Sun 15 September 2019 Open Low-Beta platform and put scaffolding LS2 planning meeting

  6. TRD schedule (draft) Reinstall 2,6 Reinstall16,10 Rework 12-13-14 Remove 7,1,0,8 Reinstall7,1,0,8 Remove16, 10 LS2 planning meeting

  7. TPC upgrade sequence Done Ongoing 10 May (A) 12 Jul (C) 11 Sep (A) 26 Sep (C) 28 May – 17 Jun (A) 23 Jul – 8 Aug (C) 24 Apr (A) 1 Jul (C) 5 Apr 4 Feb ‘20 19 Dec 7 Mar ‘19 Survey, sealing, OVP test Install new FEC + test Remove FEE outside cleanroom Remove ROC TPC ready for transportation Done TPC in cleanroom Irradiation tests Install new ROC Irradiation tests LS2 planning meeting

  8. TPC schedule – Apr-Jul LS2 planning meeting

  9. Copper cables (EN-EA) LS2 planning meeting

  10. Copper cables – dates completion connectors + test (EN-EA) This is a proposal, please check these dates Cavern: TPC : 29/10/2019 ITS : 19/11/2019 MFT : 27/11/2019 FIT : 3/12/2019 CPV : 21/10/2019 MCH : 10/07/2019 Miniframe: TPC : 03/02/2020 ITS : 04/03/2020 MFT : 11/03/2020 FIT : 03/03/2020 LS2 planning meeting

  11. Optical fibers (EN-EL) New dates Pause in July-August to avoid co-activity with LV cables replacement (backframe) LS2 planning meeting

  12. Miniframe planning LS2 planning meeting

  13. Day-by-day sequence w16 Transport Scaffolding EN-EA Other CERN groups ALICE technicians Institutes Pakistani team EN-EL Rampower LS2 planning meeting

  14. UX25 activities w16 – Mon 15 Apr 2019 Remove miniframe services (pipes, cables) – whole week ITS staves from Frascati (stay overnight in SX2) Installation FEERIC ST3 CPV cooling Adjust TRD rotator TPC/TRD/TOF LV cables ITS/MFT inox pipes TPC optical fibers CR1-A-19 LS2 planning meeting

  15. SXL2 activities w16 – Mon 15 Apr 2019 Cleanroom cleaning (DOSIM) C-side A-side SSWs modification LS2 planning meeting

  16. UX25 activities w16 – Tue 16 Apr 2019 Installation FEERIC ST3 CPV cooling TPC/TRD/TOF LV cables ITS/MFT inox pipes Optical fibers scaffolding LS2 planning meeting

  17. SXL2 activities w16 – Tue 16 Apr 2019 Cleanroom cleaning (DOSIM) (AM) C-side A-side SSWs modification Ventilation ON, exchange filters in the afternoon (incl. Hepa) LS2 planning meeting

  18. UX25 activities w16 – Wed 17 Apr 2019 Cavern lift maintenance: no cavern access from 6:00 AM to 8:00 AM Installation FEERIC ST3 Survey Remove TRD rotator CPV cooling TPC/TRD/TOF LV cables ITS/MFT inox pipes TPC optical fibers CR1-A-19 LS2 planning meeting

  19. SXL2 activities w16 – Wed 17 Apr 2019 Cleanroom certification (AC2,15:00) Installation cables for surveillance cameras (no need to lockout big crane) PHOS M4 C-side A-side SSWs modification LS2 planning meeting

  20. UX25 activities w16 – Thu 18 Apr 2019 Installation FEERIC ST3 CPV cooling TPC/TRD/TOF LV cables ITS/MFT inox pipes TPC optical fibers CR1-A-19 LS2 planning meeting

  21. SXL2 activities w16 – Thu 18 Apr 2019 FC tests with irradiation – no access to SXL2 outside normal hours Installation cables for surveillance cameras (no need to lockout big crane) C-side A-side SSWs modification LS2 planning meeting

  22. UX25 activities w16 – Fri 19 Apr 2019 CERN official holiday LS2 planning meeting

  23. SXL2 activities w16 – Fri 19 Apr 2019 CERN official holiday C-side A-side LS2 planning meeting

  24. Day-by-day sequence w17 Transport Scaffolding EN-EA Other CERN groups ALICE technicians Institutes Pakistani team EN-EL Rampower LS2 planning meeting

  25. UX25 activities w17 – Mon 22 Apr 2019 CERN official holiday LS2 planning meeting

  26. SXL2 activities w17 – Mon 22 Apr 2019 CERN official holiday C-side A-side LS2 planning meeting

  27. UX25 activities w17 – Tue 23 Apr 2019 Remove miniframe services (pipes, cables) – Pakistani team (whole week) ALTEAD: maintenance P2 cranes (whole week) Survey network measurement (whole week) TPC HV cables CR4-PP0 Remove plates low-beta Move TRD table (PM) TPC/TRD/TOF LV cables ST3 CPV cable tray Remove cables TPC optical fibers CR1-A-19 LS2 planning meeting

  28. SXL2 activities w17 – Tue 23 Apr 2019 C-side A-side SSWs modification LS2 planning meeting

  29. UX25 activities w17 – Wed 24 Apr 2019 TPC HV cables CR4-PP0 ST3 TPC/TRD/TOF LV cables CPV cable tray TPC optical fibers CR1-A-19 LS2 planning meeting

  30. SXL2 activities w17 – Wed 24 Apr 2019 Remove MWPC C-side A-side SSWs modification In parallel: removal skirt T-sensors LS2 planning meeting

  31. UX25 activities w17 – Thu 25 Apr 2019 TPC HV cables CR4-PP0 ST3 CPV cable tray TPC optical fibers CR1-A-19 LS2 planning meeting

  32. SXL2 activities w17 – Thu 25 Apr 2019 Remove MWPC C-side A-side SSWs modification LS2 planning meeting

  33. Status w26 • TPC: MWPC removed in 2 sectors (2 days of work) • Services: • Optical fibers: TPC-A done • Copper cables: TPC HV cables and CPV cable tray (L3) • Inox pipes: no work this week • LV replacement: I-side cables removed. Working at the fabrication of the new supporting system • Miniframe: all services removed, except TPC LV (ongoing) LS2 planning meeting

  34. UX25 activities w17 – Fri 26 Apr 2019 TPC HV cables CR4-PP0 ST3 TPC/TRD/TOF LV cables Survey blocks CPV cable tray TPC optical fibers CR1-A-19 LS2 planning meeting

  35. Miniframe activities w17 – Fri 26 Apr 2019 Remove TPC LV cables PP0 MCTS Remove TPC LV cables LS2 planning meeting

  36. SXL2 activities w17 – Fri 26 Apr 2019 Remove MWPC C-side A-side SSWs modification LS2 planning meeting

  37. Day-by-day sequence w18 Transport Scaffolding EN-EA Other CERN groups ALICE technicians Institutes Pakistani team EN-EL Rampower LS2 planning meeting

  38. UX25 activities w18 – Mon 29 Apr 2019 ALTEAD: maintenance P2 cranes (whole week) Test CR1-2-3 draw bridges (Mon-Tue) Survey network measurement (whole week) ITS cables from CR4 to A-racks and PP0 Installation FEERIC TRD scaffolding ST3 Unmount rack doors TPC/TRD/TOF LV cables ITS/MFT inox pipes LS2 planning meeting

  39. Miniframe activities w18 – Mon 29 Apr 2019 Remove TPC LV cables PP0 MCTS Remove TPC LV cables LS2 planning meeting

  40. SXL2 activities w18 – Mon 29 Apr 2019 Mod. res.rods Remove MWPC PHOS M4 C-side A-side SSWs modification In parallel: removal skirt T-sensors Yannick needed LS2 planning meeting

  41. UX25 activities w18 – Tue 30 Apr 2019 ITS cables from CR4 to A-racks and PP0 Installation FEERIC ST3 TPC/TRD/TOF LV cables ITS/MFT inox pipes LS2 planning meeting

  42. Miniframe activities w18 – Tue 30 Apr 2019 Remove TPC LV cables PP0 MCTS Remove TPC LV cables LS2 planning meeting

  43. SXL2 activities w18 – Tue 30 Apr 2019 Mod. res.rods Remove MWPC PHOS M4 C-side A-side SSWs modification LS2 planning meeting

  44. UX25 activities w18 – Wed 1 May 2019 CERN official holiday Ouvaroff: remove ‘park a echafaudage’ P2 LS2 planning meeting

  45. Miniframe activities w18 – Wed 1 May 2019 CERN official holiday PP0 MCTS LS2 planning meeting

  46. SXL2 activities w18 – Wed 1 May 2019 CERN official holiday C-side A-side LS2 planning meeting

  47. UX25 activities w18 – Thu 2 May 2019 ITS cables from CR4 to A-racks and PP0 Installation FEERIC ST3 TPC/TRD/TOF LV cables ITS/MFT inox pipes LS2 planning meeting

  48. Miniframe activities w18 – Thu 2 May 2019 Remove TPC LV cables PP0 MCTS Remove TPC LV cables LS2 planning meeting

  49. SXL2 activities w18 – Thu 2 May 2019 Mod. res.rods PHOS M4 C-side A-side SSWs modification LS2 planning meeting

  50. UX25 activities w18 – Fri 3 May 2019 ITS cables from CR4 to A-racks and PP0 Installation FEERIC ST3 ITS/MFT inox pipes LS2 planning meeting

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