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TS4 preparatory meeting 11-12-2012

TS4 preparatory meeting 11-12-2012. TS4 – weeks 51-52-1. Underground access possible in week 51 – as from Monday morning 9:30 Ulli and Philippe will start the RP search at 8:30 Access in weeks 52 & 1 will be restricted (only critical activities) No access in these periods:

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TS4 preparatory meeting 11-12-2012

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  1. TS4 preparatory meeting11-12-2012

  2. TS4 – weeks 51-52-1 • Underground access possiblein week 51 – as from Monday morning 9:30 • Ulli and Philippe will start the RP search at 8:30 • Access in weeks 52 & 1 will be restricted (only critical activities) • No accessin these periods: • Lift maintenance  20th Dec 7:00 AM to 9:00 AM • Evacuation test  28th Dec (whole day) • Lift conformity  3rd Jan (whole day) • Magnets will stay off • Ramp down on Monday 17th at 6:00 or 8:00, depending on LHC program (SL action) • DAQ-DCS-HLT available at all times TS4 preparatory meeting - A.Tauro

  3. TS4 – detector’s activities1/5 TS4 preparatory meeting - A.Tauro

  4. TS4 – detector’s activities 2/5 TS4 preparatory meeting - A.Tauro

  5. TS4 – detector’s activities 3/5 TS4 preparatory meeting - A.Tauro

  6. TS4 – detector’s activities4/5 TS4 preparatory meeting - A.Tauro

  7. TS4 – detector’s activities 5/5 TS4 preparatory meeting - A.Tauro

  8. Wk 51: L3-MNF activities SPD has to access L3 every day for short periods TS preparatory meeting - A.Tauro

  9. TS4 – other activities • TE-VSC: installation and test of the GIS table (crane needed – remove green fences) • Start Monday at 14:00 – will close the central valve • PH-DT (gas group): replace pump of TRD gas system. 2 pumps are currently working in parallel (9’500h and 8’000h of work – limit is 10’000h) • Tue 18th Dec.’12 (tbc)  swap one pump • EN-CV: • Maintenance drainage pump (‘pompe de relevage’) (UX25) • Maintenance P2 chillers (19-21 Dec) • EN-HE: put UX25 crane in operation (reinstall electronics) • EN-HE (Réel-Altéad): installation of anti collision system between PR709 (SX2) and PR774 (UX25) TS4 preparatory meeting - A.Tauro

  10. TS4 – Diesel and SVC tests 1/2 • Diesel test planned on Wednesday 19/12 from 7:00 AM to 7:05 AM • A ~5 minutes cut of: • all offices, meeting rooms, wall outlets, light, coffee machine • all SXL2 • Working Rooms in the ACR • the non UPS part of the detector cooling plants (interlocks triggered) • the gas systems (PLCs stopped, interlocks triggered) • the circulation of iced and mixed water, ventilation • Are NOT affected at P2: • all equipment on UPS • all racks in CR and UX • For info: this is CERN-wide, this affects also all offices and labs in Meyrin All gas systems stopped on Wed before 7:00 What about Detector Cooling? TS4 preparatory meeting - A.Tauro

  11. TS4 – Diesel and SVC tests 2/2 • 18kVcompensator (‘filter’) test, planned on Wednesday 19/12 starting at 09:30 AM • Possible perturbations on all networks, including rack power. Only exception: UPS power • Advise to ramp down all HV and if possible LV (possible trips of CAEN and ISEG) • Central systems availability during these two tests: • DAQ: • Will shutdown consoles in WRs and majority of CR1 on Tuesday evening (t.b.c by RC) • HLT: • Might shutdown part of CR2 (t.b.c. if and when) • DCS, safety systems: • Not affected (but DCS maintenance in the shadow) TS4 preparatory meeting - A.Tauro

  12. TS4 – DCS • Bottom line: don’t touch! • But please make your backups • Monday 17/12 (morning) • ‘Usual’ DataBase updates, normally transparent • Possible DB shutdown for repowering • Wednesday 19/12 (morning) • In the shadow of the 18kV filter tests • Reboot of DCS cluster • Make sure you save your work (latest Wed. 19 at 09:00) TS4 preparatory meeting - A.Tauro

  13. TS4 – End-Of-Year closure • Weeks 52 & 1 • Different from last years • ALICE remains ‘powered’ • 24/24 shift coverage (DCS and DAQ) • Re-enforced on-call for online systems • Immediate actions are possible by shifters • Make sure you provide clear and precise instructions! • As other years: daily inspection tours in CRs and UX • To spot the obvious • ‘Usual suspects’ will be contacted soon TS4 preparatory meeting - A.Tauro

  14. TS4 – status of gas & cooling systems CV and Gas piquet services available at all times TS4 preparatory meeting - A.Tauro

  15. Lifts • AS703 (UX25) – stopped on Jan.3rd • AS715 (CRs) – stopped on Jan 4th TS4 preparatory meeting - A.Tauro

  16. Visits • VIP visit by The Research Council of Norway on Tuesday 8th Jan 2013 • 15:10 Transport to LHC Point 2, building 2285 • 15:25 Visit ALICE surface permanent exhibition (P. Giubellino and Norwegian Colleagues) • 15:50 Walk to building 2255 • 15:55 Don helmets at the entrance to the PM25 lift and descend • 16:00 Opportunity to view the tunnel at Point 2, UJ26 (P. Giubellino and Norwegian colleagues) • 16:15 Visit ALICE underground experimental area (P. Giubellino and Norwegian colleagues) • 16:35 Back to surface TS4 preparatory meeting - A.Tauro

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