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LHC Machine Advisory Committee , 6 December 2007

Lyn Evans. Current status of the LHC project. LHC Machine Advisory Committee , 6 December 2007. Q1.R8. Q3-Q2.8L interconnect after in situ repair. RF bellows in the 1700 interconnections. Transmitter prototype. LHC transfer lines and injections - overview.

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LHC Machine Advisory Committee , 6 December 2007

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  1. Lyn Evans Current status of the LHC project LHC Machine Advisory Committee, 6 December 2007

  2. Q1.R8

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

  4. RF bellows in the 1700 interconnections

  5. Transmitter prototype

  6. LHC transfer lines and injections - overview 23.10.2004, 13:39  first beam at end of TI 8 IR8 • combined length 5.6 km • over 700 magnets • ca. 2/3 of SPS TI 8 beam tests23./24.10.04 6./7.11.04 28.10.2007, 12:03  first beam at end of TI 2 TT40 beam tests 8.9.03 TI 8 SPS LHC IR2 TI 2 TI 2 beam test28./29.10.07 PMI2 TI 2 upstream part installed and HW commissioned by 2005. Courtesy of V. Mertens

  7. First shot straight down the line at 12:03:47 on 28 October This BTV screen is the last in the part of TI2 which could be explored with beam on 28 October. It is located some 70 m after the lowest point in TI2, and some 700 m away from the temporary dump, which in turn is placed at some 50 m from the end of the TI2 tunnel, to avoid irradiating the LHC area. BTVI26706 Courtesy of V. Mertens

  8. Magnet interconnections

  9. Closure of continuous cryostat

  10. Master 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

  11. Dipole-dipole interconnect

  12. Sector status • 1-2 Pressure test end week 49. • 2-3 Repair of 2 leaks then flushing. • 3-4 Connection of DSL then flushing. • 4-5 At 2K. Problem with Y-line in one cell. ELQA and powering of main circuits. RF cavities filled and power tests started. • 5-6 Cooling down. • 6-7 Flushing. • 7-8 Repair leaking bellows on inner triplet then flushing. • 8-1 Prepare for cooldown.

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