winter shutdown planning A.Tauro

Dec JanFeb Mar Wk Mo Tu We Th Fr Sa Su Xmas DayNY Day winter shutdown 24/1/12ALICE winter shutdown schedule - 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

Dec JanFebMar Wk Mo 5 After 17: After 17: Tu We Th After 17:00 Fr AUG 48V (EL) Sa DSO Su Xmas Day NY Day 24/1/12ALICE winter shutdown schedule - 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

Dec JanFebMar Wk Mo 5 After 17: No ventilation After 17: Tu We Th After 17:00 Fr No ventilation AUG 48V (EL) Sa DSO Su Xmas Day NY Day 24/1/12ALICE winter shutdown schedule - A.Tauro Wks 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 and from wk 6 onwards L3 and MNF access restrictions Close L3 Open L3 4

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 24/1/12ALICE 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

TE-VSC 8 th and 9 th Dec: close MNF valve and venting central beampipe Feb 2 nd – 21 st : pump down central beampipe 24/1/12ALICE winter shutdown schedule - A.Tauro 6

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 24/1/12ALICE winter shutdown schedule - A.Tauro 7

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) 24/1/12ALICE winter shutdown schedule - A.Tauro 8

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 24/1/12ALICE winter shutdown schedule - A.Tauro 9

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 24/1/12ALICE winter shutdown schedule - A.Tauro 10

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 ). 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 24/1/12ALICE winter shutdown schedule - A.Tauro 11

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 24/1/12ALICE winter shutdown schedule - A.Tauro 12

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 24/1/12ALICE winter shutdown schedule - A.Tauro 13

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 24/1/12ALICE winter shutdown schedule - A.Tauro 14

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 24/1/12ALICE winter shutdown schedule - A.Tauro 15

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 24/1/12ALICE winter shutdown schedule - A.Tauro 16

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 Preparation of new DCS cluster DCS available during CERN End-of-Year closure –with usual access limitations and best effort support Week New DCS cluster available for detectors  new cluster available in week 3 Expect all detectors to run on new cluster by week 6 24/1/12ALICE winter shutdown schedule - A.Tauro 17

TPC Take out capacitors on all A/C ROC 24/1/12ALICE winter shutdown schedule - A.Tauro 18

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. 24/1/12ALICE winter shutdown schedule - A.Tauro 19

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 + reinstall FMD2 box –Sat: move back and test V0-FMD1 Week 6: –Mon 6/2: survey of V0-FMD1 24/1/12ALICE winter shutdown schedule - A.Tauro 20

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 24/1/12ALICE winter shutdown schedule - A.Tauro 21

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 24/1/12ALICE winter shutdown schedule - A.Tauro 22

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. 24/1/12ALICE winter shutdown schedule - A.Tauro 23

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: –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 24/1/12ALICE winter shutdown schedule - A.Tauro 24

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 24/1/12ALICE winter shutdown schedule - A.Tauro 25

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 – /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 – /1: insertion –Friday 27/1 PM: travel to Nantes 24/1/12ALICE winter shutdown schedule - A.Tauro 26

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 24/1/12ALICE winter shutdown schedule - A.Tauro 27

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)  done Connection check in ST1 (without opening); –January: no day fixed yet… 24/1/12ALICE winter shutdown schedule - A.Tauro 28

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 4. 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) 24/1/12ALICE winter shutdown schedule - A.Tauro 29

ZDC Move detectors by 1.36m towards IP to solve the problem of collimator shadow 24/1/12ALICE winter shutdown schedule - A.Tauro 30

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 24/1/12ALICE winter shutdown schedule - A.Tauro 31

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 24/1/12ALICE winter shutdown schedule - A.Tauro 32

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 24/1/12ALICE winter shutdown schedule - A.Tauro 33

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 Filming crew (2 people) –18 th Jan. Resp.: D.Hatzifotiadou 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 Postponed >>> Private visit (2 people) –18 th (after 16:00) or 19 th Jan. (PM). Resp.: J.Schukraft 24/1/12ALICE winter shutdown schedule - A.Tauro 34

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 Private visit (5 people) –20 3rd Jan (after 17:00). Resp. V.Linderstruth Private visit (30 people) –25 th Jan. (17:00). Resp.: K.Schweda VIP visit: Radio visit to CERN for DEUTSCHLANDFUNK (30 people) –25 th Jan. (10:30). Resp.: R. Vanden Broeck Group of 46 students from Trieste –26 th Jan. Resp.: M.Venaruzzo Andri Pol photographer –26 th Jan. (16:00). Resp.: D.Hatzifotiadou VIP: Members of the Comitato per il Progetto Culturale (IT) –26 th Jan. (12:00). Resp.: L.Pedroso 24/1/12ALICE winter shutdown schedule - A.Tauro 35

Visits – Jan 4/4 Group of 40 students + 4 teachers from Cagliari –27 th Jan. (9:00). Resp.: C.Cicalo Private visit (INITIAL) –27 th Jan. Resp. A.Junique Private visit (4 people) –27 th Jan. (17:00). Resp.: P.Chochula Private visit (5 people) –28 th Jan. (15:00). Resp.: P.Jakobs Private visit (4 people) –29 th Jan. Resp. D.Hatzifotiadou German School Geneva, 9th grade, i.e years old, 15 pupils plus teacher –30 th Jan. Resp.: R.Renfordt VIP: Mr T. Sinkjaer, Danish Director National Research Foundation –30 th Jan. (10:50). Resp.: L.Pedroso School visit (15 people) –30 th Jan. (10:00 – 11:00). Resp.: W.Riegler Private visit (1 person) –30 th Jan. (15:45). Resp. T.Richert VIP: Dr Imtinan Elahi Qureshi Executive Director COMSATS, Islamic Republic of Pakistan –31 st Jan. (11:40). Resp.: J.Resse 24/1/12ALICE winter shutdown schedule - A.Tauro 36

Visits – Feb 1/2 Visit from the Red Bulletin – which is the ‘Red Bull Journal’ –1 st Feb. (14:00). Resp. W.Riegler 7 visitors (Minister of Education, Science and Technology from Korea) –1 st Feb. (15:00). Resp. Y.W.Baek 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 Cancelled  Private visit 25 students –6 th Feb. Resp.: M.Hartig 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 24/1/12ALICE winter shutdown schedule - A.Tauro 37

Visits – Feb 2/2 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 24/1/12ALICE winter shutdown schedule - A.Tauro 38

Visits – Mar 7 students from Swiss school –3 rd or 4 th Mar. Resp.C.Garabatos 24/1/12ALICE winter shutdown schedule - A.Tauro 39

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 24/1/12ALICE winter shutdown schedule - A.Tauro 40