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RRB Plenary Meeting , CERN 22 October 2007

Lyn Evans. LHC Status Report. RRB Plenary Meeting , CERN 22 October 2007. Q1.R8. Q3-Q2.8L interconnect after in situ repair. Descent of the last magnet, 26 April 2007. 30’000 km underground at 2 km/h!. Magnet interconnections. Cooldown of Sector 7-8.

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RRB Plenary Meeting , CERN 22 October 2007

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  1. Lyn Evans LHC Status Report RRB Plenary Meeting, CERN 22 October 2007

  2. Q1.R8

  3. Q3-Q2.8L interconnect after in situ repair

  4. Descent of the last magnet, 26 April 2007 30’000 km underground at 2 km/h!

  5. Magnet interconnections

  6. Cooldown of Sector 7-8 • From RT to 80K precooling with LN2. 1200 tons of LN2 (64 trucks of 20 tons). Three weeks for the first sector. • From 80K to 4.5K. Cooldown with refrigerator. Three weeks for the first sector. 4700 tons of material to be cooled. • From 4.5K to 1.9K. Cold compressors at 15 mbar. Four days for the first sector.

  7. Sector 7-8 cooldown

  8. Courtesy F.Bordry

  9. Tracking between the three main circuits of sector 78 2ppm Courtesy F.Bordry

  10. Cooldown until Saturday 14-7-7 - Cooldown speed

  11. Sector 4-5 cooldown

  12. RF cavities

  13. Two 300 kW klystrons with circulators and loads

  14. Cool-down Powering tests Sector 12 wk. 49 (2007) wk. 07 (2008) wk. 12 (2008) wk. 13 (2008) wk. 25 (2008) Sector 23 wk. 44 (2007) wk. 05 (2007) wk. 10 (2008) wk. 11 (2008) wk. 22 (2008) Sector 34 Done wk. 11(2008) wk. 16 (2008) wk. 17 (2008) wk. 25 (2008) Sector 45 Done Started wk. 46 (2007) wk. 47 (2007) wk. 03 (2008) wk. 16 (2008) wk. 19 (2008) wk. 20 (2008) wk. 26 (2008) Sector 56 Done wk. 46 (2007) wk. 07 (2008) wk. 08 (2008) wk. 19 (2008) Sector 67 Done wk. 48 (2007) wk. 08 (2008) wk. 09 (2008) wk. 17 (2008) Sector 78 Done Done Done Done Done Done wk. 48 (2007) wk. 04 (2007) wk. 05 (2007) wk. 16 (2008) Sector 81 Done wk. 50 (2007) wk. 06 (2008) wk. 07 (2008) wk. 19 (2008) Updated General Schedule – 08.10.07 Pressure test

  15. Updated General Schedule – 08.10.07 Mar. Mar. 10 10 10 12 23 34 45 56 67 78 81 11 11 11 12 12 12 13 13 13 Apr. Apr. 14 14 14 15 15 15 16 16 16 17 17 17 May May 18 18 18 19 19 19 20 20 20 21 21 21 Jun. Jun. 22 22 22 23 23 23 24 24 24 25 25 25 26 26 26 Jul. Jul. 27 27 27 28 28 28 29 29 29 30 30 30 Aug. Aug. 31 31 31 32 32 32 33 33 33 2007 2007 34 34 34 Sep. Sep. 35 35 35 36 36 36 37 37 37 38 38 38 Consolidation 39 39 39 Oct. Oct. 40 40 40 41 41 41 42 42 42 43 43 43 Nov. Nov. 44 44 44 45 45 45 46 46 46 47 47 47 48 48 48 49 49 49 Dec. Dec. 50 50 50 51 51 51 52 52 52 . Jan. Jan. 01 01 01 02 02 02 03 03 03 04 04 04 05 05 05 Feb. Feb. 06 06 06 07 07 07 08 08 08 09 09 09 Mar. Mar. 10 10 10 11 11 11 12 12 12 13 13 13 Apr. Apr. 14 14 14 15 15 15 16 16 16 17 17 17 18 18 18 May May 19 19 19 20 20 20 21 21 21 Machine Checkout 22 22 22 Jun. Jun. 23 23 23 24 24 24 25 25 25 Beam Commissioning to 7 TeV 26 26 26 Jul. Jul. 27 27 27 28 28 28 2008 2008 29 29 29 30 30 30 31 31 31 Aug. Aug. 32 32 32 33 33 33 34 34 34 35 35 35 Sep. Sep. 36 36 36 37 37 37 General schedule Baseline rev. 4.0 38 38 38 39 39 39 Oct. Oct. 40 40 40 41 41 41 42 42 42 Interconnection of the continuous cryostat 43 43 43 Global pressure test &Consolidation Warm up Global pressure test &Consolidation 44 44 44 Nov. Nov. 45 45 45 46 46 46 47 47 47 Leak tests of the last sub-sectors 48 48 48 Flushing Powering Tests Powering Tests Dec. Dec. 49 49 49 50 50 50 51 51 51 Inner Triplets repairs & interconnections 52 52 52 . Cool-down Cool-down

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