1. 2011-12 winter shutdown planning A.Tauro 6-1-2012 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 1

2. Dec JanFeb Mar Wk4950515212345678910 Mo 512 1926 2916233061320275 Tu We Th Fr Sa Su Xmas DayNY Day 2011-12 winter shutdown 17/1/12TC meeting - A.Tauro Close L3 Open L3 Beam off: Dec 8 th at 6:00 AM Beam on: Mar 7 th at 18:00 PM 2

3. Dec JanFebMar Wk4950515212345678910 Mo 5 After 17:00 1926 291623306 After 17:00 20 27 5 Tu We Th After 17:00 Fr AUG 48V (EL) Sa DSO Su Xmas Day NY Day 17/1/12TC meeting - A.Tauro UX25 access restrictions 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 (or 1-2 teams max, not on A-side) TRD insertion: no access to MNF and L3 AUG test (Arrêt Urgence General – General Emergency Stop) – no access UX25 DSO test (Department Safety Officer) – no access UX25 No access SX2 during manipulation of blocks in SX2 (except ACR and WRs) Close L3 Open L3 Legend No access (except transport) Access possible No access 3 To be confirmed

4. Dec JanFebMar Wk4950515212345678910 Mo 5 After 17:00 1926 29162330 No ventilation After 17:00 20 27 5 Tu We Th After 17:00 Fr No ventilation AUG 48V (EL) Sa DSO Su Xmas Day NY Day 17/1/12TC meeting - A.Tauro Wks 49-50 and 7: access in normal hours (e.g. TPC) to be coordinated with TC Wks 1-2: no access inside L3 during TRD SMs insertion When moving from low-beta to insertion platform: no access to MNF When inserting the module: no access L3 and MNF Watcher needed in wks 49-50 and from wk 6 onwards L3 and MNF access restrictions Close L3 Open L3 4 To be confirmed

5. EN-HE 8 th Dec (9:30): reinstall crane (PR-774) electronics 8 th Dec (AM): load test cavern cranes (20t) 30 th Jan. UX25 crane inspection by Brunnhuber Wk 8: test UJ22 jig + annual maintenance P2 cranes 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro EN-HE-LM 14 th Dec: maintenance lift CR1-4 –Lift stopped whole day (7:00 – 16:00) Cavern lift has to be stopped as well for one day. Date tbc 5

6. TE-VSC 8 th and 9 th Dec: close MNF valve and venting central beampipe Feb 1 st – 23 rd : pump down central beampipe 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 6

7. GS-ASE Week 52: evacuation test Jan. 5 th – 13 th : RAMSES firmware upgrade Jan. 9 th : red phone maintenance Jan. 20 th and 26 th : test fire detection Week 5: sniffer maintenance Week 6: maintenance gas detection (UX, CR5) Feb. 21 st : maintenance PAD/MAD –Guard will be provided by GS in order not to interfere with cavern access 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 7

8. EN-CV-OP – Dec 7 th Dec at 18:00-22:00: adjustment chilled water flow in the cavern + lower L3-Dipole cooling settings –Will affect all cooling plants –Keep as many detectors on till the 8 th (DCS shutdown), in order to check that regulation works (EN-CV-DC side) –Keep L3 and Dipole till the end of the test Week 50: rinsing of mixed water in UX25 cavern (Philippe) –Refilling in parallel  will not affect ALICE cooling End wk 50 (16 th Dec): test of Dipole flooding alarm –Need access to Dipole (Philippe) 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 8

9. EN-CV-OP – Jan/Feb Tue 2 nd and Wed 3 rd Jan: Maintenance ITS (old) ventilator in CR5 Thu 5 th and Fri 6 th Jan: maintenance PMD-MTG-MTK ventilation units Fri 6 th Jan: stop chilled water (SU2) –Therefore stop mixed water (cavern, CRs) –Switch tap water into CRs Week 2: –Cleaning cooling towers (Mon to Thu) –Maintenance L3 injection and UX25 extraction/injection units. Test of alarms –New motor L3 ventilation (date tbc) –Modification of chilled water pipe for L3 jacket (Mon) –Maintenance mixed water pumps PX24 (Mon-Wed) and UW25 (Wed-Thu) –Preparation services new ITS dehumidifier –Consolidation of automatic switchover to tap water into CRs Week 3: –Restart chilled & mixed water (around Wed, tbc) –Maintenance L3 extraction unit. Test of alarms –Maintenance ventilation unit SG2 (Mon-Tue)  will cut Ar/H2 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 9

10. EN-CV-OP Repair leak FB pipe: –23 rd Jan –Fernando  compensatory measures Removal unused FB pipe (I-side): –24 th -25 th Jan –Need nacelle 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 10

11. EN-EL 1/2 13/12: Test general secours: stop general services for 10’ –Will affect all general services, also at P2. The UPSes for DAQ and DCS/HLT will bridge the power cut (assuming they manage to repair the DCS/HLT one on 8.12...). Also rack power (CRs and UX) will not be affected. –However all 'wall outlets', WR of the ACR, offices, meeting room, SXL2, coffee machine will be affected... Also the non ups part of the cooling plants as well as the gas system will be affected… 17/12: Test auto-transfert: –1.5 days to configure + 1 day test –No impact on experiments Wed 18 th Jan: maintenance power transformers: –Will cut EXD1/2X for 3h  cut power to CRs (normal network) –Will cut ITS ventilator and HMPID rack in CR5 Test AUG P2: Fri Jan 20 th – No access UX25 –Major electrical perturbation affecting P2 for whole day 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 11

12. EN-EL 2/2 Consolidation 48V network (after incident 11 th Jan 2011) –1 day no access to UX25  Feb 17 th (tbc, K.Foraz) Maintenance power transformer EMT306/2X –Feb 17 th 6:00 to 10:00 –Will stop UX25 air extraction and injection (4h) – No access UX25 from 6:00 to 10:00 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 12

13. EN-CV-BE New ITS dehumidifier unit in SX2 –Electrical control cubicle during week 2 –Power cubicle : delivery week 4 –Cabling : week 4/5 –Start-up and commissioning : week 6 /7 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 13

14. EN-CV-DC RP sampling: Dec 8 th TRD. Periodic maintenance + replacement chilled water valve + preventive replacement pump + cleaning vacuum pump: plant stopped 2 days on Jan 5 th and 6 th SPD. Periodic maintenance + put entire plant on UPS: plant stopped 1 day on Jan 6 th TOF-PHOS-EMC-SPD. Installation PHOS circulator + replacement flowmeter + periodic maintenance: plant stopped from 9 th to 17 th Jan TPC. Periodic maintenance + preventive replacement pump + include heaters in supervision + cleaning vacuum pump: pant stopped from 18 th to 20 th Jan HMPID. Periodic maintenance + preventive replacement pump: plant stopped 2 days on Jan 23 rd and 24 th TPC RR. Periodic maintenance + install new filters: plant stopped from Jan 25 th to Feb 2 nd SDD-SSD. Periodic maintenance + replacement pump: plant stopped from 3 rd to 9 th Feb 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 14

15. BE-ABP-SU (survey) Week 50 (Sat-Sun): with L3 doors open: –Zero measurement (SF, TPC feet, MNF valve, MNF) –Low Beta network update –C-side photogrammetry (EMCal) Weeks 1-2: after each TRD insertion, requiring ½ day on low-beta: –MNF valve and MNF Week 4: survey MTG Week 5: at the end of TRD and EMCal, requiring three full days with both doors open: –TRD modules, CAL frame photogrammetry, MNF valve, MNF, SF deformation, TPC feet Week 6: V0-FMD1 (Mon) and MTK ST1-2 (Wed-Fri) Week 7: no access (reserve) Weeks 9-10:survey MTK ST3-4-5 and PMD 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 15

16. DAQ DAQ shutdown 21 st Dec mid-day DAQ start after cooling and power interventions, end wk 3 –Arrangements for individual LDCs can be organized (send a mail to alice-datesupport@cern.ch) 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 16

17. DCS Week 49 Dec. 8 morning: shutdown all DCS for UPS repair; restart a.s.a.p. (afternoon) –Profit from DCS stop to make backup ! Start (hardware) installation of new DCS cluster Week 50 Dec. 12–14: Operating system and PVSS upgrade –Reboots required, coordinated with detectors Dec. 15: New framework available for detectors –Detectors to validate functionality with new software Week 51-52-01 Preparation of new DCS cluster DCS available during CERN End-of-Year closure –with usual access limitations and best effort support Week 02-03-04 New DCS cluster available for detectors Expect all detectors to run on new cluster by week 5 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 17

18. TPC Take out capacitors on all A/C ROC 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 18

19. TPC heat screen Check the loops for the thermal screen in week 6 (there was a leak) We will need: –access to the TRD cooling plant –access to C side and A side of TPC –access to the miniframe and PP0 Since the pipes are on the outside of the miniframe we would probably need a nacelle. 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 19

20. TPC sectors 11 to 15 Week 49: –Thu 8/12: displace FMD2 box. The box can be reinstalled anytime (at latest in week 5) –TPC A-14/15 (4 days anytime) Week 3: move PMD to parking position (see next slide) Week 4: –Mon 23/1 AM: disconnect and displace SPD box –Mon 23/1 PM: disconnect and displace SSD box –Tue-Fri: TPC A-11/12 (4 days) –Sat: put back and test SSD box Week 5: –Mon 30/1: put back and test SPD box –Tue: move V0-FMD1 to parking position (PMD already in parking position) –Wed-Fri: TPC A-13 (2 and 1/2 days) + FMD2 survey –Sat: move back and test V0-FMD1 Week 6: –Mon 6/2: survey of V0-FMD1 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 20

21. PMD Thu 19 th Jan: PMD moves to Parking Position Week 4 - 6: PMD Maintenance –Replacing some of the modules which are having problem –Replacing some of the FEE Chains –Need cooling for the DAQ (Crocus) so that we can check the health of the modules and FEE chains. Week 7 (after 17:00) and 8: Access to Crocus Crate for DAQ Week 9 -10: PMD Moves back to Final Position 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 21

22. T0 Investigation of the problem with laser system (laser, attenuator, optical splitters, optical cables) –Rack 018,019, start from ~16 January –Miniframe (from Feb.7 th ) Upgrade of electronics and check of spare modules –Rack 018,019, start from ~16 January 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 22

23. TPC laser Annual laser maintenance, 1-2 days. Needs normal power and cooling Open mirror box below TPC sector A13 (bottom below TPC endplate) and possibly replace camera or mirror. 1-2 days. I want to do this because a weak picture from this mirror/camera makes C- side alignment difficult. Best done with L3 doors open. I believe access between the TOF and TPC should be OK. I need to be able to run the laser, so we need to mount the long laser pipe temporarily after opening of L3 doors. 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 23

24. TRD 3 supermodules installation, cabling, commissioning (L3 access, A & C sides etc) –Arrival at CERN of Bernd & Co on 2 nd Jan. around noon –Insertion sequence: 6-2-3 –Possible to have transport on Sun.8 th Jan? C19 power installation -> we will ask DCS C16-19 Netgear switch rearrangement I08/O08 Netgear switch rearrangement DAQ upgrade (discussion on going between Joerg and DAQ group) Pretrigger backup PSU installation and LV cable rearrangements (I/O rack and C-side in L3) BKF LV protection panel replacement (C-side in L3) Cooling valves replacement for 10 sectors, C side (if necessary, ask Ana to judge) (C-side in L3) Moving back pressure sensors from TPC TS to TRD (C-side in L3) GTU optical fiber installation (Stefan) (C16,17,18 racks) CR4 HV rearrangement for new super-modules 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 24

25. SPD Disconnect pipes in front of L3 door: 14/12 (after 17:00) New inox pipes in front of L3 door: from 14 to 17/12 (after 17:00) Week 51 (half day): drill filter in PP3 (access PP4) + connect cleaning machine 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 25

26. EMC 15/12 PM: delivery new nose (SXL2) 12/1 (PM): delivery 2 SMs (SXL2) (not tested afterwards) Nantes team: –Monday 16/1 PM: travel to CERN –17-18-19/1: modification new nose in SXL2 + cavern preparation (insertion SM into rotator if possible) –Friday 20/1 PM: travel to Nantes –Monday 23/1 PM: travel to CERN –24-25-26/1: insertion –Friday 27/1 PM: travel to Nantes 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 26

27. PHOS As from Dec 8 th (PM): –Fix condensation problem on pipes and on top of detector –New redundant power supply for crystal cooling unit –Flowmeter crystal cooling unit (tbc) –2 new T sensors inside L3 –Replace RCU_0 in module_3 Connect crystal plant and LVPS to FB water during cooling stoppage: –E.g. on Jan 5 th 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 27

28. MTK Repair bus bars on slats: ST4, ST5 and ST3 (only limited to the ones accessible) –Week 50 –Week 2 to week 9 Change one quadrant in ST2 (3 Right Bottom); –Week 4 (Monday and/or Tuesday) Connection check in ST1 (without opening); –January: no day fixed yet… 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 28

29. MTG Maintenance Front-end Electronics, mostly spare installation: –19 th to 21 st Dec. Nacelle needed and green fences must be dismantled Check on RPC (MTR21-OUT) for gas tightness, eventual dismounting and eventual changing –Week 3. Nacelle needed Survey of 2 half-planes (MT12-IN and MT12-OUT) including measurements with theodolite and photogrammetry, survey of the other 6 half-planes with only theodolite measurements –Week 5. Nacelle needed SAA3 Shielding - MTR in closed position –Week 6 (tbc) - can some concurrent activity in the MTR be carried out (i.e. regional electronics)? General global check –One week (tbc) 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 29

30. ZDC Move detectors by 1.36m towards IP to solve the problem of collimator shadow 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 30

31. Other activities Reinstall ADA (wk6) SAA3 extension (February) Pull cable DSS-SPD cooling plant Modification BBF (EMCal access) Install C-side ladder + trap Picture ALICE (A.Saba) –Week 5 (Thu-Sat) Replacement CR3 racks and removal air conditioning CR2-3-4 –From week 4 (tbc from Dominique: Cegelec) Installation accelerometers Test Dipole bus bars (2h, Pascal) with IR camera. Tbs in February –Need to remove plexi protection 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 31

32. Visits - Dec VIP: Stjepan Matin from 24Hours newspaper –9 th Dec. (ACR-Exhibition. 10:30 – 11:30). Resp.: S.Tesauri Private visit. 7 people –11 th Dec. Resp.: P.Jacobs Private visit. 4 people –12 th Dec. Resp.: N.Valls ~30 teachers from Czech Republic –16 th Dec. (PM). Resp.: K.Safarik Private visit. 7 people –17 th Dec. (17:00). Resp.: C.Bortolin 50 students from the University of Bologna Chemistry Department –17 th Dec. Resp.: R.Nania Private visit. 2 people –19 th Dec. (17:00). Resp.: A.Tauro VIP: Kim Steele, New York Times Review –21 st Dec. Resp.: D.Hatzifotiadou Private visit. 6 people –21 st Dec. Resp.: T. Kugathasan 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 32

33. Visits – Jan 1/4 Private visit (3 people) –5 th Jan. (15:00). Resp.: T.Morhardt Private visit (2 people) –7 th Jan. Resp.: J.Wessels Hungarian Student Group (25 people) –11 th January (9:00 to 10:00). Resp.: P.Levai TI operators –11 th Jan. (14:00). Resp.: A.Augustinus Private visit (1 people) –12 th Jan. (10:00). Resp.: C.Cheshkov 2nd High School of Kozani, Greece. 50 students (not underground) –12 th Jan. Resp.: D.Hatzifotiadou Steve Elkins (documentary film-maker) + his video team –12 th Jan. at 10:00. Resp.:D.Hatzifotiadou Hungarian Student Group (25 people) –13 th Jan. (9:00 to 10:00). Resp.: P.Levai Private visit (3 people) –13 th Jan. (16:00). Resp.: N. van der Kolk School visit (25 people) –14 th Jan. (13:30 – 15:00). Resp.: W.Riegler Private visit (6 people) –14 th Jan. (14:15). Resp.: C.Bortolin Private visit (3 people) –14 th Jan. (16:00). Resp.: D.De Gruttula 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 33

34. Visits – Jan 2/4 Private visit (7 people) –15 th Jan. Resp.: C.Nygaard Visit of NRF (National Research Foundation of Korea) people (6 visitors) –16 th Jan. (10:00). Resp. Y.W.Baek VIP: Delegation (10 persons). President of the French Centre national de la recherche scientifique (CNRS) –16 th Jan. (14:30). Resp.: Y.Schutz Private visit (2 people) –16 th Jan. Resp.: P.Chochula Private visit (1 people) –17 th Jan. (lunch time). Resp.: P.Chochula 5 people from DELL –18 th Jan. (10:00). Resp.: P.Chochula 1 person from Scientific American –18 th Jan. (13:30). Resp. D.Hatzifotiadou Private visit (2 people) –18 th Jan. (lunch time). Resp.: P.Chochula Group of 20 students from a high school in Utrecht, the Netherlands –18 th Jan (14:00). Resp. N. van der Kolk Group of Italian students (42 students + 4 teachers) –19 th Jan (9:45). Resp.: C.Bortolin Private visit (2 people) –18 th (after 16:00) or 19 th Jan. (PM). Resp.: J.Schukraft 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 34

35. Visits – Jan 3/4 German officials from Frankfurt university (~30 persons) –20 th Jan (after 16:00). Resp. V.Linderstruth Private visit (6 people) –20 th Jan. (after 17:00). Resp.: R.Turrisi Private visit (5 people) –20 th Jan. (after 18:00). Resp.: F. Bock Private visit 2 x 15 people (GSI / ALICE members + their partners) –21 st and 22 nd Jan. Resp.: J.Thaeder Students from Nyon (22 people) –23 th Jan. (9:00 – 11:30). Resp.: C.H.Denarie Private visit (2 people) –23 rd Jan. Resp.: J.Wessels Filming crew (2 people) –24 th Jan. Resp.: D.Hatzifotiadou Private visit (30 people) –25 th Jan. (17:00). Resp.: K.Schweda Group of 46 students from Trieste –26 th Jan. Resp.: M.Venaruzzo VIP: Members of the Comitato per il Progetto Culturale (IT) –26 th Jan. (12:15). Resp.: L.Pedroso Group of 40 students + 4 teachers from Cagliari –27 th Jan. (9:00). Resp.: C.Cicalo 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 35

36. Visits – Jan 4/4 German School Geneva, 9th grade, i.e. 14-15 years old, 15 pupils plus teacher –30 th Jan. Resp.: R.Renfordt School visit (15 people) –30 th Jan. (10:00 – 11:00). Resp.: W.Riegler 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 36

37. Visits –Feb Visit from the Red Bulletin – which is the ‘Red Bull Journal’ –1 st Feb. (14:00). Resp. W.Riegler 50 students from university of Tübingen –2 nd Feb. Resp.: H-R.Schmidt Private visit 10 people –5 th or 11 th or 12 th Feb. Resp.: S.Boele’ School from Nyon (20 students) –6 th Feb. (AM). Resp. C.H.Denarie 16 students from German school in Geneva –7 th and 9 th Feb. Resp.: R.Renfordt Visit of danish high school class (1 teacher and 12 students) –9 th Feb. (17:00). Resp. C.Søgaard Electronic lead engineer from Sun Microsystems Norway –10 th Feb. (17:00). Resp. B.Skaali Vice-Chancellor of Birmingham University and 7 senior figures from industry –15 th Feb. (12:00 to 13:00). Resp.: D.Evans Group of 38 students + 4 teachers from Cagliari –21 st Feb. Resp.: C.Cicalo 50 students from High-school Liceo Scientifico "G. Salvemini" from Bari –27 th or 28 th Feb. Resp.: V.Manzari Two visitors from Mexican TV (Channel 22) –28 th or 29 th February. Resp.: G.Herrera Corral 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 37

38. AOB As from now ADI replaced by IMPACT –Please do not submit anymore ADI requests –ADI no longer used –IMPACT is the new CERN wide tool –See Fernando’s tutorial 6/1/12ALICE 2011-12 winter shutdown schedule - A.Tauro 38