ALICE 5 o’clock meeting Wk 49

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

8/12/105 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

8/12/105 o’clock meeting4 ALICE Christmas break schedule OpenExperiment TRD EMCal CloseExperiment Open L3 doors Close L3 doors

8/12/105 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)

8/12/105 o’clock meeting6 L3 (and MNF) access No Ventilation EMCal No Ventilation +AUG 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 49

8/12/105 o’clock meeting8 18:00: end HI program –Ramp down both magnets. !!! Emergency dump !!! 18:00 – 22:00: access system test. No access UX25 22:00: RPE survey (Jiri + 2 nd person) –Then go to restricted mode Week /12 Monday Program

8/12/105 o’clock meeting9 Activities in UX25 - Week /12 Monday No access UX-25 - possibility of access from 22:00 ITECO HAULOTTE TRD team at CERN: 6 to 10/12

8/12/105 o’clock meeting10 8: :00: UX25 cavern in Restricted mode –No access UX25 (except Transport, VAC, TC and RP) 8:30 - 9:30: RP liquid (and gas) sampling (Adeline, Pierre) –Collect RP samples (Fernando, Philippe) –Survey L3 and Dipole 18: :00: evacuation test – No access UX25 From 21:00 - Cavern in General mode 14: :00: Portuguese Press visit. 10 persons Week /12 Tuesday Program

8/12/105 o’clock meeting11 ALTEAD: PX24 shielding blocks – top layer removed –8:00 to 18:00: no access CR5 Reinstall crane electronics - Problems (ongoing) 14:00 to 15:00: put SM16 into the rotator - Ongoing VAC: Neon injection preparation - Started –Transport needed (EDH ) – Rack moved by hand –Remove “green fence” (P2 technician) - Done Stop flammable gases i-C4H10 and CH4 (Ar/H2 on 10/12) - Done 8:30: Lock L3+Dipole power converter + compensator magnet - Done Test transmission of alarm lift to FB - Done 8:30: inspection PHOS cooling plant (Arturo, Dominique, Philippe, Sasha) – Done (will install temporary line) 15:15: VIC SPD – Done + Gas VIC DCS: 10:00 – 12:00, interruptions of the GPN link to/from P2 – Done. DCS got stuck. Investigating why MCR (Magnet Control Room): HW modifications (Pascal B.) – Started TRD (after 21:00): Wiener PS back-plane modification and LV consolidation (L3) Week /12 Tuesday Activities

8/12/105 o’clock meeting12 Activities in UX25 - Week /12 Tuesday VAC RP samples PX24 shielding: blocks TRD Wiener PS

8/12/105 o’clock meeting13 8: :00: UX25 cavern in Restricted mode –No access UX25 (except Transport, VAC, TC and RP) From 18:00 - Cavern in General mode 18:00: Confined Space Training –Tour in L3 at the end of the course Week /12 Wednesday Program

8/12/105 o’clock meeting14 ALTEAD: PX24 shielding beams (35t) - Done –8:00 to 16:30: no access CR1-5 and Expo –Move ITECO C-side - Ongoing EN-HE: Reinstall crane electronics – Done. Crane operational VAC: Neon injection – injection table prepared. Neon injected tomorrow afternoon Activities after 16:30: EN-CV: empty TPC tank - Ongoing TPC: replacement of damaged FECs (C-side) - Ongoing TRD: pretrigger PS work done. Wiener PS back-plane modification (SXL2, almost done). Start re-installing Wieners tonight. SPD: cut inox pipes - Done Muon TRK: CROCUS firmware upgrade Muon TRG: Maintenance Local decision electronics and upgrade FE threshold distributors – Will start at 17:00 T0: investigation broken amplifier (MNF and L4-rack) - Ongoing Week /12 Wednesday Activities

8/12/105 o’clock meeting15 Activities in UX25 - Week /12 Wednesday PX24 shielding: beams (35t) VAC Move TRD Wiener PS Cut SPD pipes Stabilizers Muon TRG TPC FEC and TRD LV TPC cooling Muon TRK: CROCUS firmware upgrade T0

8/12/105 o’clock meeting16 Activities in MNF - Week /12 Wednesday T0

8/12/105 o’clock meeting17 8: :00: UX25 cavern in Restricted mode –No access UX25 (except Transport, VAC and TC) From 18:00 - Cavern in General mode Interruption on auto-transfert network (from 07:00 till 07:05). No access underground –all wall outlets will be interrupted –including all non-UPS outlets in the ACR (so essentially all WRs) –including outlets SXL2, offices and barracks –non-UPS power for the detector cooling plants will be interrupted –power to all gas systems will be interrupted –the UPS powered systems will not be affected, but will run on batteries for the 2 min. interruption –the electronics racks in the cavern and CRs will not be affected. –See Week /12 Thursday Program

8/12/105 o’clock meeting18 ALTEAD: MNF shielding –8:00 to 18:00: No access CR1-5 during lifting up of 5 big beams –Stabilizers (after 18:00) VAC: Neon injection RAMSES: removal of Data Acquisition modules CR5 EMCal team at CERN: fit rollers on all SMs (SXL2). Start 13:30 Activities after 18:00: TPC: replacement of damaged FECs (C-side) TRD: Wiener PS back-plane modification and LV consolidation (L3) Muon TRK: CROCUS firmware upgrade T0: investigation broken amplifier (MNF and L4-rack) Week /12 Thursday Activities

8/12/105 o’clock meeting19 Activities in UX25 - Week /12 Thursday VAC MNF shielding TRD Wiener PS Stabilizers No access CR1-5 during lifting up of 5 big beams TPC FEC and TRD LV Muon TRK: CROCUS firmware upgrade T0

8/12/105 o’clock meeting20 Activities in MNF - Week /12 Thursday T0

8/12/105 o’clock meeting21 Activities in UX25 - Week /12 Friday Move if needed LV156 Gas functional test (2h no access UX25 and CR1-5) Maintenance PX24 MAD (transparent) MNF shielding No access CR1-5 during lifting up of 5 big beams 18:00 to 8:00: access in general mode 8:00 to 18:00: no access UX25 (except Transport) TRD Wiener PS TPC FEC and TRD LV EMCal team at CERN: fit rollers on all SMs Muon TRK: CROCUS firmware upgrade

8/12/105 o’clock meeting22 Activities in MNF - Week /12 Friday 8:00 to 18:00: no access UX25 18:00 to 8:00: access in general mode

8/12/105 o’clock meeting23 Activities in UX25 - Week /12 Saturday LV156 MNF shielding 18:00 to 8:00: access in general mode 8:00 to 18:00: no access UX25 (except Transport) TRD Wiener PS TRD LV

8/12/105 o’clock meeting24 Activities in MNF - Week /12 Saturday 8:00 to 18:00: no access UX25 18:00 to 8:00: access in general mode

8/12/105 o’clock meeting25 Activities in UX25 - Week /12 Sunday Access in general mode

8/12/105 o’clock meeting26 Activities in MNF - Week /12 Sunday Access in general mode

8/12/105 o’clock meeting27 DCS plans Wk 49 –Tue 7/12 10:00 – 12:00: interruptions of the GPN link to/from P2 No connectivity on GPN (mail on laptops etc.); could have impact on running systems (is the main reason for this test: try to spot dependencies) Done – switch upgraded to 10x higher bandwidth; experienced blockage of DCS; to be investigated more tests needed later. –Wed 8/12 – Fri 10/12 (daytime): SW upgrades and patches to central systems, to detectors on request only (Operating system and PVSS) Systems unavailable for short (~hrs) periods, frequent reboots André / Peter

8/12/105 o’clock meeting28 AOB -