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Coordination Meeting Summary for LHC LS1 Rack Configuration and Installation Schedule

This document summarizes the coordination meeting held for the LHC LS1 project on February 20, 2014. Key points include the schedule for rack installation in various sectors, with changes requested by team members regarding the timing and overlap of work in sectors 7-8 and 81. It also outlines the status of rack configurations, HV divider installations, and the need for restoration post-he spill test. The communication highlights the importance of adhering to the updated schedule and clarifies responsibilities for upcoming tasks. It references relevant documentation for detailed planning.

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Coordination Meeting Summary for LHC LS1 Rack Configuration and Installation Schedule

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  1. LS1@LHC BLM planning 24/02/2014

  2. Surface racks • P1 -/+, P2 -/+, P5 -/+: change • P6 + , P7 +, P8 +: OK • Pt3 - dismounted • Pt4: March (Bernd’s request) • From: Christos Zamantzas , Seghaier Ben AmorSubject: Rack configuration: R L I C - ground metallic bar: >5 fixation

  3. Tunnel racks and HV divider • HV divider installation: L7– standard cases +R6 – standard cases + R7 and L6 – Special cases – • L5: restoration of racks after He spill test • Racks – CFC cards : ready for installation ( Ion or Russian team)

  4. BLM and cable trays - Walkways LHC machine Schedule for LS1 EDMS 1357763

  5. BLM re-installation • From: Marzia Bernardini Sent: 19 February 2014 15:20To: Slava GrishinCc: Ewald Effinger; Michel ArnaudSubject: RE: REMINDER- LHC LS1 coordination meeting TOMORROW - 20th Feb. - BLM schedule • Dear Slava, • I’ll move the installation in sector 81 of 1 week, on 18.03. • Concerning sector 23, we’ll see in the coming month. • Cheers, • Marzia • From: Slava Grishin Sent: 19 February 2014 15:14To: Marzia BernardiniCc: Ewald Effinger; Michel ArnaudSubject: RE: REMINDER- LHC LS1 coordination meeting TOMORROW - 20th Feb. - BLM schedule • Dear Marzia, • Could I look at the schedule of BLM installation and some remarks: • 1)sector 7-8, start from 24/02 during 3 weeks and walkway removal-reinstallation – is OK. • 2)sector 81, start from 11/03 – but it’ll be overlap in 1 week with sector 7-8. Could you move this sector for one week? • 3) sector 12 – start from 11.04 during 3 weeks and  walkway removal-reinstallation – is OK. • 4)sector 2-3 – start from 22.04 – but it’ll ne overlap in 2 weeks with sector 1-2. • 5&6) sector 3-4 and sector 4-5 are OK.

  6. BLM re-installation According to LS1 schedule and constrains for ARC+DS Sector 6-7 - done Sector 5-6 - done Sector 7-8 – from today LSS

  7. General Information • Beam Vacuum Pumping in the LSS and Arcs before the start of the cool-down All activities on the stand alone need to be completed before Start week 13 for the sector 67 LHC machine Schedule for LS1 EDMS 1350481

  8. GLOBAL OVERVIEW: P test & cool down LHC machine Schedule for LS1 EDMS 1350481

  9. Divers • Databases: changes on this week sector 5-6, 6-7 • Slot Labels ( after changes of expert names) • Rad Source test ( 2 sources – when will be ready?) • Label for new “short” cable (BJBDV - BJBAP) • Addendum for 50 FICs and Amendment for 1 month* 4 persons prolongation – under signature at CERN ( this week) • LIC’s after GIF for installation – middle of March (?) 1 shielding + 1st refilling 1 shielding + 2nd refilling 2 shielding + 1st refilling 2 shielding + 2nd refilling *sagana leaks during the refilling

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