1. 4 December 2007Sylvain Weisz - LEMIC1 Status of LHC installation

2. LSS1R  Low-β interconnect finished, leak test on-going  Collimators in place, last beam pipe sub-sector bake-out in progress  TAN preparation (grinding & painting) and ZDC cabling scheduled Wk 50-51 Arc 1-2 & DS  Pessure test scheduled December 7-8 (this week-end): no access restriction for ATLAS & ALICE TI2  Test with beam done (28/10/07), successfull LSS2L  All injection kickers in place  Low-β interconnect finished, leak test on-going  Final shielding in RPX24 installed Wk 50-51 LSS2R  Final setting of water cooled cables next week Arc 2-3 & DS  Pressure test done (18/11/07), consolidation and leak repair on-going (2 leaks localised) LSS3L/R  DSLC: pressure, leak and ELQA tests passed  Interconnect DFBLC-DSLC (UJ33) and DSLC-DFBAE (3R) completed: all internal welds leak tight, closure of vacuum isolation on-going, final leak test next week.  8/20 collimators in place, beam-pipe installation in progress 4 December 2007Sylvain Weisz - LEMIC2 Sector 1-2, 2-3 & Point 3

3. 4 December 2007Sylvain Weisz - LEMIC3 Sector 3-4, 4-5 & 5-6 Arc 3-4 & DS  Pressure test done (06/10/07)  Leak on DFBAF (4L) jumper connection to QRL just repaired, closure of isolation vacuum on-going LSS4L/R  All elements in place  Cold test of RF cavities on-going  see HW Commissioning status (R. Saban) Arc 4-5 & DS  Sector cold  see HW Commissioning status (R. Saban) LSS5L  Low-β: Q1,Q2 & Q3 in place and interconnected, waiting warm-up of sector 4-5 to install the DFBX and link to the QRL  TAN conditionning expecetd Wk 7, detector installation Wk 10-11-12 LSS5R  Cool-down just started, no access  TAN conditionning and detector installation scheduled Wk 3-4-5-6 Arc 5-6 & DS  Sector being cooled-down  see HW Commissioning status (R. Saban) LSS6L/R  All elements in place

4. 4 December 2007Sylvain Weisz - LEMIC4 Sector 6-7, 7-8 & 8-1 Arc 6-7 & DS  Pressure test done (20/10/07), leak tight  He flushing on-going  see HW Commissioning status (R. Saban) LSS7L/R  18/34 collimators in place  Beam pipe installation and preparation for bake-out on-going (NEG activation starts Wk 50)  Final control cabling on-going (with radiation-hard cables) Arc 7-8 & DS  All repairs completed, leak in Q9R7 now fixed (search started Wk 32!) LSS8L  Low-β: leak in D1-DFBX connection – need to replace bus-bar bellow  expect to finish Dec. 6-7  Installation of services for extra warm crossing magnet (faulty corrector in Q5 assembly) LSS8R  Replacement of leaky water cooled cable on DFBX completed Arc 8-1 & DS  Preparation for cool-down  see HW Commissioning status (R. Saban) LSS1L  All elements in place, ZDC cabling window Wk 5-6 dependant on cool-down advancement

5. Interconnections completed in the Arcs and Matching Sections  7 arcs pressure tested, test of arc 1-2 scheduled this week  Consolidation, leak test and repair on-going Inner triplets:  All low-  interconnection work completed except in 5L (pending warm-up of sector 4-5) DSLC link:  Pressure, ELQA and leak tests passed  Ok  Interconnect DFBLC-DSLC (UJ33) and DSLC-DFBAF (4R) completed Collimation region:  Point 7: 18/34 collimators in place, 7/11 beam-pipe sub-sectors installed  Point 3: 8/20 collimators in place, beam-pipe installation on-going Sylvain Weisz - LEMIC5 Installation Summary 4 December 2007