Closeout Report

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Close-out Report Department of Energy/ National
Science Foundation Review Committee Report on
the Technical, Cost, Schedule, and Management
Review of the U.S. LHC CMS DETECTOR PROJECT May
20, 2004
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U.S. CMS Closeout I

• Technical
• Most US CMS subsystems are in good shape (ME,
  HCAL, TRIDAS, ECAL), with most over 80 complete.
• Si Tracker has made a lot of progress recently
  and has a clear path to completion. Committee is
  concerned about the sensor decision process and
  supports the U.S. CMS position.
• FPix has much work to go, and urgently needs more
  manpower to be successful.

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U.S. CMS Closeout II

• Cost Schedule
• ETC 23.16 M
• Contingency remaining 12.47M (54 of ETC)
• Management is committed to maintaining
  significant contingency into the complicated CMS
  installation and commissioning endgame and the
  committee supports this position.
• Proposal to address cost and schedule variances
  is reasonable.

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U.S. CMS Closeout III

• silicon tracker schedule has slipped 6-8 months.
  Although the production capacity has been
  increased, until parts flow for the Si Tracker is
  established the real schedule for completion is
  difficult to determine, though the schedule
  appears to be on or near the CMS Critical Path.
• CD4-A, 9/30/05 CD4-B, 9/30/08
• Endgame plan to achieve these milestones is
  reasonable.

5
U.S. CMS Closeout IV

• Management
• U.S. CMS Management is working well with CMS
  management and is responding well to challenges
  presented.
• Most US CMS systems are doing well and the
  project has earned considerable contingency.
• The increased price for ECAL crystals is a
  serious issue for CMS, full implications of delay
  not yet understood. (eg staging the EE will
  increase rates into the forward muon system and
  may cause difficulties during the initial
  operation of the staged detector)

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Action Item

• Next DOE/NSF Meeting
• Mini-Review in September 2004