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LS1 planning meeting

LS1 planning meeting. 22.3.2013. Activities weeks 13, 14 & 15. Access situation. No access restrictions foreseen in the coming weeks L3 access will be “less comfortable” (O-side staircase) on Mon 8 and Tue 9 April due to TRD17 removal. Recap week 11 (11-17/ 3).

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LS1 planning meeting

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  1. LS1 planning meeting 22.3.2013

  2. Activities weeks 13, 14 & 15 LS1 planning meeting - A.Tauro

  3. Access situation • No access restrictions foreseen in the coming weeks • L3 access will be “less comfortable” (O-side staircase) on Mon 8 and Tue 9 April due to TRD17 removal LS1 planning meeting - A.Tauro

  4. Recap week 11 (11-17/3) • P2tech + ALTEAD + PHOS: remove PHOS modules and cradle (Mon-Thu) • P2tech: open miniframe false floor (Mon PM or Tue) – No access on MNF during PHOS removal • P2tech + ALTEAD: remove PHOS rail extensions and shuttle (Fri) • TPC laser / FMD (Borge) (Thu-Fri): • Check laser intensity with lower laser power - for reference. • Remove a broken electronics board and bring it home for repair. • Inspect the FMD cooling pipes on the C side. • Muon TRK: dismount and soldering of CH5R (whole week) • T0: detector inspection (Fri) – had to open the T0 protection • BE-ABP-SU: survey ALICE network points • ALTEAD: unload UPS racks (SR building) (Tue PM)– Put in SX2 • P2tech: unfold PHOS LV cables – There are still a few (5) cables not belonging to PHOS!!! • EN-HE-LM: maintenance cavern lift (4:00 to 6:00 AM) and CR lift (6:00 to 8:00) (Fri) • SPIE: install cable-trays and pull UPS cables PX24 L3: • EMC: replace FEE cards(whole week) • P2tech: install modified rails SR4 (2 days around the end of the week) LS1 planning meeting - A.Tauro

  5. Recap week 12 (18-24/3) • Ouvaroff: scaffolding inside L3 + C-O side (Wed-Thu) – Scaffolding too close to SF!!! Arturo to contact Gianluca • SSD: remove CAEN LVPS (120). Need crane! • BE-ABP-SU: survey Space Frame and Cal-Frame • Muon TRK: work on CH6L and CH5 R (whole week) • ALTEAD + P2tech: test insertion tooling for DCal rails (O-side) • P2tech: modify PHOS LV PP • Removal barracks: 6124 (V0), 6253 (TRD) and 6204 (PMD) (Mon-Thu) • EN-HE: replace UX25 door (SAS downstairs) • ALTEAD: put beampipe box above L3 (ACORDE area) • ALTEAD: displace beam in SX2 for UPS project (Mon) • EN-CV-DC: remove water from TRD (today)and TOF cooling plants L3: • EMC: change the existing (RCU-based) readout to the new (SRU-based) readout (whole week) • TPC work (C-side) – ongoing • P2tech: transfer TOF crates to spaceframe (whole week) - ongoing LS1 planning meeting - A.Tauro

  6. Week 13 (25-31/3) • ALTEAD + P2tech: test insertion tooling for DCal rails (I-side) (Mon-Wed) • P2tech: L3 services modifications (whole week) • BE-ABP-SU: survey TRD SMs • Muon TRK: work on CH6R and CH5 R (whole week) – need ALTEAD to install rail on Wed • GS-ASE: SNIFFER maintenance • Delivery of a DCal standard SM (3rd) (Tue) • P2tech + ALTEAD + Nantes: mount DCal rotator and install PHOS rails in SXL2 (Tue-Thu) • Arrival 45 racks + doors CR1 (exact date tbc) – storage inside SR2 L3: • P2tech: L3 services modifications (whole week) • EN-EL-CF: displace PHOS-HMPID optical patch panel + check for spare fibers in EMCal patch panel • EMC: change the existing (RCU-based) readout to the new (SRU-based) readout (whole week) • TPC work (A&C sides) • P2tech: transfer TOF crates to spaceframe (whole week) LS1 planning meeting - A.Tauro

  7. Week 14 (1-7/4) UX25: • P2tech: L3 services modifications (whole week) • P2tech: preparation C-side support for DCal beams (whole week) • P2tech + ALTEAD: install L3 staircase to O-side (Tue) • P2tech + ALTEAD: remove miniframe staircase and install temporary ladder (Thu) • ALTEAD: bring yellow platform + rotator to UX25 cavern (Thu PM) • ALTEAD: remove L3 staircase from I-side (Fri) – L3 access from O-side only • P2tech + ALTEAD: install rail for yellow platform on I-side (Fri) • ALTEAD: install yellow platform on I-side (Fri) • BE-ABP-SU: survey babyframe + A-side beampipe flange + TPC feet • P2tech + SPD: connect old inlet lines to SPD cooling plant (1/2 day) L3: • P2tech: L3 services modifications (whole week) • P2tech: remove old PHOS cooling pipes along I-side beam • EMC: change the existing (RCU-based) readout to the new (SRU-based) readout (whole week) • TPC work (A&C sides) Surface: • P2tech: load test DCal extension ribs (Tue-Wed) • ALTEAD: remove 35t beams from SX2 (rent Frederici truck) (Tue-Wed) • Removal barracks 6120 (HLT), 6121 (MTR) and 6122 (MTG) (Thu-Fri) LS1 planning meeting - A.Tauro

  8. Week 15 (8-14/4) UX25: • P2tech: L3 services modifications (whole week) • TRD + P2tech: take out TRD17 (Mon) – L3 access from O-side only • P2tech + ALTEAD: move L3 staircase from O-side to I-side (Tue) • P2tech + ALTEAD: install yellow platform on O-side (Tue) • TRD + ALTEAD: take out TRD7 (Wed-Thu) • TRD: modify TRD7 in Low-Beta (Thu) • TRD + ALTEAD: reinstall TRD7 (Fri) • TRD + ALTEAD: remove TRD8 (Sat) – ALTEAD, Yannick, Werner available? • Muon TRK: work on CH6L and CH5 R (whole week) • BE-ABP-SU: survey babyframe, TRD feet and A-side beampipe flange during/after each TRD removal (whole week) L3: • SPD: drill filter SR3 • P2tech: L3 services modifications (whole week) • EMC: change the existing (RCU-based) readout to the new (SRU-based) readout (whole week) • TPC work (tbc) Surface: • P2tech + ALTEAD + Nantes: DCal insertion test in SXL2 (60 and 40deg) (whole week) • P2tech: install ZDC fences in SXL2 (provided by ALTEAD) • SDD: swap SuperCarlosRX boards in CR4 (whole week) LS1 planning meeting - A.Tauro

  9. TPC FEC replacement • Task: • 9 Front End Cards need to be replaced • One readout branch (C00 rp0) is not working properly and maybe all 9 FECs should be replaced there • Plan: • Week 12: Start on C side • Weeks 13-14: Finish C side and move to A side • Week 15: In case of delay • Status: • Week 12 used mainly to set up and start with easy cases • 4 FECs replaced so far

  10. FEC kaputt: List 1) A03 Rp3 BrAFec03PASA/ALTRO 7 dead (no pulses) 2) A03 Rp3 BrBFec06 PASA/ALTRO 6 dead (no pulses) 3) A09Rp3BrAFec06PASA/ALTRO 7 dead (no pulses) 4) A12 Rp5 BrAFec03 hot, but works ok 5) A13Rp0BrAFec07 data corruption 6) C00 Rp0 BrAFec04needs detailed investigation 7) C01 Rp5 BrBFec05conn 0 bad or PASA kaputt 8) C03 Rp0 BrBFec05 conn 0 bad or PASA 0 and 1 kaputt 9) C13Rp4BrBFec00conn 5 bad or PASA 7 kaputt (3 ch) • C16 Rp3BrBFec07 conn 5 bad or PASA 7 kaputt FEC not workingMany channels not working Some channels not working

  11. Visits in the coming weeks LS1 planning meeting - A.Tauro

  12. AOB • On 2nd April there will be a software upgrade to some routers on the General Purpose Network. This will affect for P2 the GPN routers in 2275 (SR2). This is the entry point of the GPN (and others) for P2, so by that it will affect all P2. The impact is a 10min interruption of the connectivity (the time to install firmware and reboot). • On 1st June there will be a similar intervention, again on GPN, but CERN-wide LS1 planning meeting - A.Tauro

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