ALICE 5 o’clock meeting Wk 50

INDICO You’ll find this meeting here: – The full shutdown planning is here: –

15/12/105 o’clock meeting3 Access request Cavern and surface You should submit an ADI and a task procedure Two persons minimum Work breakdown structure – risk associated at each step ADI Task procedure Template EDMS Attach task procedure

15/12/105 o’clock meeting4 ALICE Christmas break schedule OpenExperiment TRD EMCal CloseExperiment Open L3 doors Close L3 doors

15/12/105 o’clock meeting5 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 tbc) – no access UX25 Gas functional test (10/ 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)

15/12/105 o’clock meeting6 L3 (and MNF) access No Ventilation EMCal No Ventilation Wks 50 and 4: 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 Wk 6 or 7 (tbd): Kr calibration – TPC T stability (all interventions to be agreed by TC/RC) Evac.

Day-by-day schedule UX25 and MNF - Wk 50

15/12/105 o’clock meeting8 Access status: 8: :00: UX25 cavern in Restricted mode –No access UX25 (except Transport and TC) From 18:00 - Cavern in General mode No access L3 (no ventilation) Activities: ALTEAD: MNF shielding: O-side wall Lift PMD CROCUS SPIE: removal L3 ventilation Philippe: cut SPD pipe (chillers) Activities after 18:00: TRD: access to L4 racks T0: investigation broken chains Week /12 Monday

15/12/105 o’clock meeting9 Activities in UX25 - Week /12 Monday LV156 No access L3 (no ventilation) L3 ventilation LV156 MNF shielding

15/12/105 o’clock meeting10 Activities in MNF - Week /12 Monday No access L3 (no ventilation)

15/12/105 o’clock meeting11 Access status: 8: :00: UX25 cavern in Restricted mode –No access UX25 (except Transport and TC) From 18:00 - Cavern in General mode No access L3 (no ventilation) Activities: ALTEAD: MNF shielding: O-side wall Opening I-side door done Gas upgrade (SG2): stop all gas systems Ar, CO2, N2 and Neon done. The others must be done on January 11!!! –Evacuation all Ar/H2 bottles (Fayet, morning) –X-ray at night SPIE: new PMD ventilation (removal filter) –VIC at 10:00 Activities after 18:00: T0: investigation broken chains Week /12 Tuesday

15/12/105 o’clock meeting12 Activities in UX25 - Week /12 Tuesday Open I-side door No access L3 (no ventilation) LV156 MNF shielding (green bridges) PMD ventilation Visit 13:30 (Karel) T0

15/12/105 o’clock meeting13 Activities in MNF - Week /12 Tuesday No access L3 (no ventilation) T0

15/12/105 o’clock meeting14 Access status: Cavern in General mode Activities: ALTEAD: yellow-platform rails. Put YP on rails. Removal MNF staircase. Shielding on O-side gone TRD: test LV inside magnet TPC: replacement FE cards (C-side) Release all TOF crates supports (Yannick-Samuel) Gas upgrade (SG2): restart gas systems EN-CV: maintenance TRD cooling unit TPC laser: dismount back wall of laser hut + start removal laser VIP visit: Finance and Council Delegates – 16:45 (1hour) Week /12 Wednesday

15/12/105 o’clock meeting15 Activities in UX25 - Week /12 Wednesday Access in general mode TRD cooling TPC/TRD YP rails Release all TOF crates supports (Yannick- Samuel) Laser EMC

15/12/105 o’clock meeting16 Activities in MNF - Week 50 15/12 Wednesday Access in general mode Removal MNF staircase (access with ladder)

15/12/105 o’clock meeting17 Access status: Cavern in General mode Delivery to P2 of 2 (last) EMCal modules Arrival PMD team Activities: ALTEAD: yellow-platform rails Open O-side door – by afternoon SPIE: PMD ventilation Survey: baby-frame zero-measurement + TRD EN-EL: motorize L3-Dipole-Miniframe circuit breaker (T.Bourrel, VIC at 10:30) TRD: test LV inside magnet TPC: replacement FE cards (C-side) Release all TOF crates supports (Yannick-Samuel) EN-CV: maintenance TRD cooling unit TPC laser: removal laser + take out laser-hut back door. Take out old power supply EMCal: installation HV PS (CR4) and LV PS (L4-O-side) Week /12 Thursday

15/12/105 o’clock meeting18 Activities in UX25 - Week /12 Thursday Laser TRD cooling TPC/TRD EN-EL Release all TOF crates supports (Yannick- Samuel) PMD ventilation Open O-side door LV156 Access in general mode Survey

15/12/105 o’clock meeting19 Activities in MNF - Week /12 Thursday Access in general mode Disconnect PMD services

15/12/105 o’clock meeting20 Activities in UX25 - Week /12 Friday Laser Decoupling TPC-Space- Frame (Yannick- Samuel) TRD cooling Lower TRD 16. No access low-beta platform TPC FEC Access in general mode Survey

15/12/105 o’clock meeting21 Activities in MNF - Week /12 Friday Disconnect PMD services Access in general mode

15/12/105 o’clock meeting22 Activities in UX25 - Week /12 Saturday Laser Decoupling TPC-Space- Frame (Yannick- Samuel) Access in general mode

15/12/105 o’clock meeting23 Activities in MNF - Week /12 Saturday Disconnect PMD services Access in general mode

15/12/105 o’clock meeting24 Activities in UX25 - Week /12 Sunday Access in general mode TRD team at CERN: 19 (PM) to 23/12

15/12/105 o’clock meeting25 Activities in MNF - Week /12 Sunday Disconnect PMD services Access in general mode

15/12/105 o’clock meeting26 DCS plans Wk 50 –Mon 13/12 – Tue 14/12 (daytime): Force upgrades and patches to all remaining systems Systems unavailable for short (~hrs) periods, frequent reboots –Support to detectors restarting/testing their systems after upgrades Detectors shall test functionality as much as possible André / Peter

15/12/105 o’clock meeting27 AOB -