LHC-TS3 Coordination meeting #3 27th October, 2016 AGENDA LHC-TS3 preparation – Marzia Bernardini AOB

Intervention on 400 kV substation in Bois-Tollot LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Intervention on 400 kV substation in Bois-Tollot LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Intervention on 400 kV substation in Bois-Tollot LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Impact of the 400 kV intervention 6h electrical cut LHC Machine network General services ON No operation in Injectors and Experimental Areas NO ACCESS in all LHC  2nd November No ventilation conditions Lost of Cryo conditions ElQA 13 kA test in 6 sectors (23, 34, 45, 56, 67, 78 & 81) ElQA DSLC test in LSS3R All the LSS empty (Inner triplets, DFBs, SAM) LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Options concerning the TS3 OPTION 1  Obsolete  no intervention on 400 kV OPTION 2 2.a Intervention on Monday 31st  Obsolete 2.b Intervention on Wednesday 2nd November  ACTUAL Intervention on 400 kV network. Power cut ~6h Temperature at the bottom of the DFBAs HCM> 100 K, and DSLC T>100K ELQA needed on all Sectors (except S. 1-2) OPTION 3  Potential Intervention on 400 kV network, with reduced duration of the power cut Temperature at the bottom of the DFBAs HCM< 100 K, and DSLC T<100K  ELQA not needed M. Bernardini - LMC 26th October 2016

M. Bernardini - LMC 26th October 2016 LMC 31st August “Conclusions of the task force setup to recommend the best procedures for ELQA testing after temperature excursions above 80 K in DFBs & DSLs” , A. Perin. M. Bernardini - LMC 26th October 2016

M. Bernardini - LMC 26th October 2016 Option 2b - ACTUAL 400kV power cut on Wednesday 2nd November duration >6h Temperature at the bottom of the DFBAs HCM> 100 K, and DSLC T>100K ELQA needed on all Sectors (except S. 1-2) Empty the LSSs, DFBs, SAM and Inner Triplets of Lhe (Monday 31st) Reduce the consumptions on the machine network Electrical power cut of 400 kV from RTE Wednesday ~ 6h NO ACCESS on the whole LHC Recovery of cryogenics conditions, progressively, from Friday midday on ELQA tests on 13kA and DSLC circuits  4 days Duration from Monday 31st October to Tuesday 8th November, afternoon M. Bernardini - LMC 26th October 2016

M. Bernardini - LMC 26th October 2016 Option 2b  ACTUAL ELQA ELQA ELQA ELQA ELQA ELQA ELQA M. Bernardini - LMC 26th October 2016 ELQA

DFBAs temperature vs time M. Bernardini - LMC 26th October 2016

M. Bernardini - LMC 26th October 2016 Option 3 - Potential 400kV power cut on Wednesday 2nd November Temperature at the bottom of the DFBAs HCM< 100 K, and DSLC T<100K Empty the LSSs, DFBs, SAM and Inner Triplets of Lhe (Monday 31st) Reduce the consumptions on the machine network Electrical power cut of 400 kV from RTE Wednesday – NO ACCESS on the whole LHC Recovery of cryogenics conditions, progressively, from Friday midday on No ELQA tests needed M. Bernardini - LMC 26th October 2016

M. Bernardini - LMC 26th October 2016 Option 3 - Potential RF RF M. Bernardini - LMC 26th October 2016

LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970 General reminders – TS3 All LOCK OUT requests via Impact LHC- TS3 activities:  from Monday 31st October @ 6am, to Friday 4th November @ 5pm  Exceptional activities as ELQA, lock/un-lockout, RF conditioning & CV maintenance can continue until the end of the technical stop The LHC machine will be in Automatic Restricted Mode Piquet’s phone number: 161669 from Monday 31st to Friday 4th INDICO: https://indico.cern.ch/category/8136/ (LHC-TS3) OSS website (planning, constraints…): https://espace.cern.ch/en-dep-mef-lpc/default.aspx LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Radiological classification until end of 2016 1728265 permanent low-occupancy < 0.5 µSv/h < 2.5 µSv/h < 3 µSv/h < 15 µSv/h < 10 µSv/h < 50 µSv/h n/a < 2 mSv/h < 100 mSv/h > 100 mSv/h S. Roesler, LMC – 2016/10/5 LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Access conditions related to Cryo LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970 Constraints LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970 Constraints LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY All points Personal ODH MANDATORY in the arc NO ACCESS Intervention 400kV LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY in the arc ZDC installation PM15 maintenance ZDC & LHCf installation LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY Arc12 – P18 – Ti2 Personal ODH MANDATORY in the arc Patrol PM18 Lift maintenance Patrol LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY in the arc PM25 Lift maintenance Patrol LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY Arc23 - P 3.2 Personal ODH MANDATORY in the arc Patrol PM32 Lift maintenance LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY P3 – Arc 34 Personal ODH MANDATORY in the arc PZ33 lift maintenance LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY in the arc PM/PZ45 Lift maintenance LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY Arc 45 – LSS5L Personal ODH MANDATORY in the arc Patrol ZDC + RPD installation LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY P5 – LSS5R Personal ODH MANDATORY in the arc Patrol PM56 lift maintenance ZDC installation LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY Arc56 - P6 Personal ODH MANDATORY in the arc Patrol PM/PZ65 Lift maintenance Powering Test s78 PHI Patrol LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY Arc67 - P7 Personal ODH MANDATORY in the arc Powering Test s78 PHII TBC PM76 maintenance LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY Arc78 Personal ODH MANDATORY in the arc Powering Test s78 PHII LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY in the arc Patrol PM85 Lift Maintenance Powering Test s78 PHII LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

Personal ODH MANDATORY Arc 81 – TI8 Personal ODH MANDATORY in the arc Patrol Powering Test s78 PHII LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970 IMPACTS: BE @ Wednesday 26th October @18h00 LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970 IMPACTS: HSE @ Wednesday 26th October @18h00 LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970 IMPACTS: EN-CV @ Wednesday 26th October @18h00 LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970 IMPACTS: EN-EL @ Wednesday 26th October @18h00 LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970 IMPACTS: EN @ Wednesday 26th October @18h00 LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970 IMPACTS: EP & IT @ Wednesday 26th October @18h00 LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970 IMPACTS: TE-VSC @ Wednesday 26th October @18h00 LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970 IMPACTS: TE @ Wednesday 26th October @18h00 LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970 Lock-out requests Waiting Lockout Approval @ Wednesday 26th October @18h00 LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970

No meeting next week due to LHC-TS3 Next meetings No meeting next week due to LHC-TS3 Next meeting Thursday 10th November, Room 30-7-010 From 9h00 to 10h30 AGENDA: EN-ACE-CL – Anne Laure Perrot TE-CRG – Cryogenics lock out – Antonio Perin BE-OP – Mirko Pojer HSE-RP –Christophe Tromel LHC machine Schedule for LHC TS3 2016 EDMS 1728265; INDICO 579970