Injectors & LHC report K. Foraz on behalf of OSS members 14/06/2013LSC - K. Foraz1

AD Done: – Renewal stoch. cooling power supply – Cryogenic pump maintenance – Pickup tank sUHM3107 & Tank UVM3207 back in place Circulation of demin water now stopped in AD-ring In progress: – Girder line 7000 : chamber specifications under approval – BHN06: visit to Novosibirsk – Electrical reconnexion work - new junctions – Loop tests in parallel on all magnet interlocks Discussions in progress with EN/CV for water availibility 14/06/2013LSC - K. Foraz2 Pickup tanks logistics

LEIR Done – Buffer zone In progress – Organization of future bake-out (sectors 1,2 & 5) Forecast – Access point installation from next week 14/06/2013LSC - K. Foraz3

PSB & PS PSB In progress – Cable continuity and Burndy connector tests for the Multipole power converters progressing well. – On site preparations for the beam dump replacement project – Replacement of the PSB lift AS-45. – Installation of the underground cables – CV maintenance – Kicker consolidation and maintenance Forecast Forecast – Vacuum and Beam instrumentation maintenance & upgrade programs under preparation. – Replacement of the BI.SMH under preparation. 14/06/2013LSC - K. Foraz4 PS In Progress – Renewal of ventilation system progressing well – Tuner of the PSC40-78MHz cavity removed - investigation on progress – Refurbishment of the piping of the chilled water circuit just started – Access System Installation Forecast – Dismantling of cranes PR06 & PR20 from next week – ALARA done – Installation of shielding wall in front of septa 16 & 42

SPS Done – TT10 : CV pipes removal – 8 magnets exchanged In progress – EL cable campaigns….. last minute: cable drums have been stolen in BA, BA4 and BA5…. Impact to be evaluated – 7 magnets will be exchange next week – Preparation for LSS1+ decabling campaign Forecast – TT10 : civil engineering – Drain of the SPS primary water ring from next week -> exchange of isolating valves 14/06/2013LSC - K. Foraz5 SPS magnet exchange TT10 – pipes removed

LHC – sector readiness for consolidation Sector readiness: – Released: 45, 56, 67, 78, 81, 12, 23 – To be released: 34  waiting for QRL leak test – S12 short circuits – investigation completed Diode – solved Lyra – repair to be done Leak test of cryomagnets lines – 20 internal helium leaks identified in arc subsectors after warm-up 14 identified to component.  for 6 leaks not identified to component, further tests to be performed in ɸ2. – Triplet 5L – helium leak in FF (inside DFBX) stable since 2009 – propose ‘use-as-is’. RF ball tests *ball initially stopped, dummy PIMS in place, 2 nd ball test successful **ball stopped, no collapses PIM, 2 nd test successful 14/06/2013LSC - K. Foraz6 Status for LHC arcsS5-6S4-5S6-7S7-8S1-2S8-1S3-4S2-3 RF ball test – PIM collapses000**01* to do0

Status of leak tests 14/06/2013LSC - K. Foraz7 QRL internal leak test status – S56 - Leak tests in progress (in parallel with SMACC) – S34 - Leak localization tests on-going, – S67 - Coordinated with SMACC – scheduled next week – S78 - Line C leak confirmed – deformed compensator (H) confirmed, – S81 - Line C leak confirmed, deformed compensator at C29R8 – QRL opening from end of next week – S45 - Opening and observation on going.

LHC - SMACC W opening just finished in sector 67 Interconnection train in sectors 56 & 67 DFBA consolidation in sectors 56, 67, 81 DN200 in progress in sector 78 (not started in sector 81) Magnets: – s78 - connections in progress – s12: magnets wil be replaced from next week 14/06/2013LSC - K. Foraz8

QRL opening in sector 45 – Vacuum vessel sleeve cut, MLI and shield removed – Tests on line C compensator - leak concerned – Measurement in situ of the position of the lines – Cut and extract compensator for analysis QRL service module – Walkways installed on 1/8 – Service modules upgraded 1/8 LHC “other” consolidation & upgrades 14/06/2013LSC - K. Foraz9 QRL opening sec. 45 Walkway QRL service module

LHC - R2E Point 1 – Power converters removal in progress – Installation of canalys and AC cables in UL – Water cooled cables removal from next wk Point 5 – Drilling will start next week – Displacement of cable trays in UL from next week – Piping installation almost finished – Water cooled cables removed Point 7 – Power converters disconnection and cable removal in progress – TZ76 – demolition wall in progress 14/06/2013LSC - K. Foraz10 WCC UL55 doors removed Wall demolition in TZ76

LHC - LSS & service areas In (good) progress – Cabling campaigns (p1, p2, p4) – Maintenance of Kickers system – Maintenance of RF system – ACS exchanged canceled spare is leaky (degradation during storage) – Maintenance and upgrade of access system – Survey – Vacuum and vacuum Meeting programmed next week 14/06/2013LSC - K. Foraz11 RF logisitcs RF module Cabling at point 2

LHC - Infrastructures Demineralised water production stopped Electrical maintenance and consolidation of 400kV inprogress UPS replacement – SR1 in progress – Point 6 underground CV maintenance at points 18, 2 6 and 8 – In order to lower down temperature in REs ( 48kV systems are suffering from hot temperature), it has been proposed to replace the door by grid door New cooling towers installation at Point 8 (pt 6 completed) Optical point 1 Removal of racks 14/06/2013LSC - K. Foraz12 DYPBlogisitcs

LHC overall progress Good overall progress in LHC IC train ahead of schedule...but some issues being studied Infrastructure progressing well – Temperature in REs to be followed Some potential issues to be followed – LSS – components readiness to be followed – Lyra issue – QRL leaks and repair – Busbar insulation boxes 14/06/2013LSC - K. Foraz13