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Status of the Large Hadron Collider Lyndon R. Evans Scientific Policy Committee

Status of the Large Hadron Collider Lyndon R. Evans Scientific Policy Committee CERN, 15 March 2004. Cable 1. Cable 2. Magnets. Dipoles. Dipoles. Cryodipoles. Quadrupoles. MSCB. QRL Problems.

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Status of the Large Hadron Collider Lyndon R. Evans Scientific Policy Committee

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  1. Status of the Large Hadron Collider Lyndon R. Evans Scientific Policy Committee CERN, 15 March 2004

  2. Cable 1

  3. Cable 2

  4. Magnets

  5. Dipoles

  6. Dipoles

  7. Cryodipoles

  8. Quadrupoles

  9. MSCB

  10. QRL Problems • Conflicts between main contractor and installation subcontractor have caused many delays and finally CERN was informed of a change of subcontractor in January. Overall delay is now 8 months. • The contractor has produced a new planning to recover the delays but this compresses the time for installation and testing. • A new installation planning is being optimised to recover the delays. This is based on installation of 3 octants simultaneously.

  11. Planning • The contract for tunnel installation has not yet been signed. We will need approval from FC to increase the volume of this contract by about 30% (3 MCHF). Since we must sign before June, we need approval of FC chair, with a justification in June 2004 FC. • We are now re-planning the commissioning on this very compressed timescale and which requires experienced CERN staff. We are evaluating the additional resources we need and the means to procure them. • We remain fully committed to providing the detectors with a first run in 2007.

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