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Shutdown Planning and Access Guidelines for UX25 and MNF - Week 4

Stay updated on activities and access restrictions in UX25 and MNF during Week 4. Follow detailed schedules for maintenance, ventilation, and interventions. Access the full shutdown planning through the provided links.

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Shutdown Planning and Access Guidelines for UX25 and MNF - Week 4

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  1. ALICE 5 o’clock meeting Wk 4 - 2011

  2. INDICO You’ll find this meeting here: http://indico.cern.ch/categoryDisplay.py?categId=2957 The full shutdown planning is here: http://indico.cern.ch/conferenceDisplay.py?confId=124087

  3. Access requestCavern and surface • You should submit an ADI and a task procedure Attach task procedure Work breakdown structure – risk associated at each step Two persons minimum ADI https://edh.cern.ch/Document/ADI Task procedure Template EDMS 1103355 5 o’clock meeting

  4. UX25 access • Rules for access restrictions: • Removal/installation of shielding (restriction includes RB24 triplets) • PX24 blocks: no access CR5 and UX25 • PX24 beams (35t): no access CR1-5, Expo, and UX-25 • All other blocks: no access to UX-25 • LHC evacuation test (7/12 after 18:00 and 24/12) – no access UX25 • Gas functional test (10/12 - 2 hrs) – no access UX25 and CR1-5 • AUG test (20/1) (Arrêt Urgence General – General Emergency Stop) – no access UX25 • DSO test (12-13/1) (Department Safety Officer) – no access UX25 • No access SX2 during manipulation of blocks in SX2 (except ACR and WRs) 5 o’clock meeting

  5. L3 (and MNF) access Ventil. EMCal 13 3 24 31 No Ventilation 7 EMCal EMCal Evac. Lift No Ventilation • Wks 50 and 5: access (TPC) to be coordinated with TC (transport) • Wks 1-2: no access during EMCal SMs insertion inside L3 (see day-by-day) • When moving from low-beta to yellow platform: no access to MNF • When inserting the module: no access L3 and MNF • Watcher needed in wk 49 and from wk 4 onwards • 11/2-18/2: TPC Kr calibration: all detectors (mainly PMD, SSD, SDD, TRD and TOF) be switched on by Tue 8/2 and not change conditions anymore since then 5 o’clock meeting

  6. Day-by-day schedule UX25 and MNF - Wk 4

  7. It Activities in UX25 - Week 4 - 24/1 Monday EN-CV: maintenance L3-Dipole cooling (UW25) 16:00 to 17:30: Korean TV crew ACO No access L3 (no ventilation) Green bridge VAC Transfer survey to MNF (AM) ST1 L3 ventilation PHOS cooling SPD cooling PMD 9:00 switch back to mixed water (Philippe) Reconnect pipes 14:00 Change Manu Extraction: AM Injection: PM Control (CCM equipment) 5 o’clock meeting

  8. Activities in MNF - Week 4 - 24/1 Monday Normal hours if compatible with L3,PMD ventilation, otherwise after 18:00 9:00: Lower PMD crocus (Pieter) Photogrammetry ITS patch-panels (PM) No access L3 (no ventilation) PMD: access to CROCUS TPC RR Replace the heat exchanger module and the filters 5 o’clock meeting

  9. It Activities in UX25 - Week 4 – 25/1 Tuesday Maintenance L3-Dipole cooling PLC upgrade for PMD, TPC, TRD. These gas systems have to be turned off for about half an hour Peter Ginter ACO Green bridge VAC Laser (PM) Muon TRK: bus-patches L3/PMD ventilation PMD Fix problem with computer communication of new laser 5 o’clock meeting

  10. Activities in MNF - Week 4 - 25/1 Tuesday Possible if L3 ventilation on SPD: test with dummy sector (PM) TPC RR PMD ventilation SPD cooling No access L3 (no ventilation) Photogrammetry ITS patch-panels PMD: access to CROCUS Normal hours if compatible with L3,PMD ventilation, otherwise after 18:00 5 o’clock meeting

  11. It Activities in UX25 - Week 4 - 26/1 Wednesday Maintenance L3-Dipole cooling Philippe-Didier ACO L3 bus-bar VAC MNF wall TPC RR and FEC. TRD panels Muon TRG: gas connectors Muon TRK: bus-patches TPC FEC Laser PHOS PMD ventilation HMPID PMD 9:00 Inspection crystal cooling plant Pneumatic valves, and fix radiator 5 o’clock meeting

  12. Activities in MNF - Week 4 - 26/1 Wednesday PMD ventilation SPD cooling PMD: access to CROCUS Normal hours if compatible with PMD ventilation, otherwise after 18:00 5 o’clock meeting

  13. It Activities in UX25 - Week 4 - 27/1 Thursday Maintenance L3-Dipole cooling Visit: TV team from The Economist Remove the heating rack (crane) ACO VAC MNF wall TPC RR and FEC. TRD panels Muon TRG: gas connectors Muon TRK: bus-patches TPC FEC Laser PMD ventilation HMPID 5 o’clock meeting

  14. Activities in MNF - Week 4 - 27/1 Thursday PMD ventilation SPD cooling PMD: access to CROCUS Normal hours if compatible with PMD ventilation, otherwise after 18:00 5 o’clock meeting

  15. It Activities in UX25 - Week 4 - 28/1 Friday Intervention L3 lift. No access UX25 after 17:00 Visit: TV team from The Economist ACO MNF wall TPC RR and FEC. TRD panels Muon TRK: bus-patches TPC FEC Laser Green bridge HMPID 5 o’clock meeting

  16. Activities in MNF - Week 4 - 28/1 Friday SPD cooling PMD: access to CROCUS 5 o’clock meeting

  17. It Activities in UX25 - Week 4 - 29/1 Saturday Intervention L3 lift. No access UX25 whole day 5 o’clock meeting

  18. Activities in MNF - Week 4 - 29/1 Saturday Intervention L3 lift. No access UX25 whole day 5 o’clock meeting

  19. It Activities in UX25 - Week 4 - 30/1 Sunday Access in general mode 5 o’clock meeting

  20. Activities in MNF - Week 4 - 30/1 Sunday Access in general mode 5 o’clock meeting

  21. AOB • - 5 o’clock meeting

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