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LCLS Photon Systems ETC and Methodology

LCLS Photon Systems ETC and Methodology. John Arthur LCLS Photon Systems Manager. LCLS Photon Systems Schedule Overview Milestones ETC Risks. Photon Systems Areas. Front End Enclosure – Underground facility for X-ray diagnostics and mirrors.

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LCLS Photon Systems ETC and Methodology

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  1. LCLS Photon Systems ETC and Methodology John Arthur LCLS Photon Systems Manager LCLS Photon Systems Schedule Overview Milestones ETC Risks

  2. Photon Systems Areas • Front End Enclosure – • Underground facility for X-ray diagnostics and mirrors • Far Experimental Hall – Cavern for 3 experimental hutches • Near Experimental Hall – Sub-basement facility for 3 experimental hutches • X-Ray Transport Tunnel – 200m tunnel to transport X-rays to FEH

  3. Photon Systems • WBS 1.05, 2.05 • X-ray Transport, Optics, Diagnostics (XTOD) • Group located at LLNL, Donn McMahon, CAM • Transport the x-ray beam, in vacuum, to experimental stations • Condition the x-ray beam, with attenuators and apertures • Analyze the x-ray beam, with sophisticated diagnostics

  4. Photon Systems • WBS 1.06, 2.06 • X-ray Endstation Systems (XES) • Stefan Moeller, CAM • Provide basic infrastructure required for experimenters • Build instrument for Atomic Physics experiments • Advanced x-ray detector R&D

  5. Photon Systems • WBS 1.02.03, 1.06.04 • Injector laser and XES laser systems • Bill White, CAM • Coordinate laser design and acquisition throughout LCLS • Injector laser work nearly complete

  6. Photon Systems • WBS 1.05.02, 1.06.02 • X-ray Area Controls and Data Acquisition • Gunther Haller, CAM • Controls and DAQ hardware, cables, and software for the X-ray experimental area

  7. Photon Systems • WBS 2.01.01.05, 2.01.01.06 • X-ray Commissioning Management • John Arthur, CAM • LOE manpower for 2 LCLS Physicists managing X-ray commissioning • WBS 2.06.03 • X-ray Commissioning • Hal Tompkins, CAM • LOE manpower for SLAC and LLNL personnel during X-ray commissioning process

  8. System Design Management • Design process, included in Project P3 schedule • Interface Control Documents specify which group has responsibility for each system • Physics Requirements Documents are written by the LCLS Physics group specifying subsystem needs • Engineering group holds Design Reviews, and writes Engineering Specification Documents to detail how each PRD is to be satisfied • Physicists and Engineers approve component assembly and testing prior to installation

  9. Delay work from FY08 to FY09

  10. LCLS Installation and Commissioning Time-Line X-ray tunnel/FEH Install LTU/Und/Dump Install FEH X-rays milestone CF Early Occupancy Flux milestone CD-4 (7/30/10) FEE/NEH Install S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M 2007 2008 2009 2010 PPS PPS LTU/Und Commissioning Tunnel/FEH Commissioning Linac/BC2 Commissioning Linac/BC2 Install FEE/NEH Commissioning

  11. Major Startup Activities • Commission FEE 6/09 - 8/09 • FEE flux measurement 7/09 • Commission NEH 8/09 - 9/09 • Commission tunnel/FEH 11/09 - 2/10 • X-rays in FEH 2/10

  12. Photon Systems Cost Estimation • Installation costs • Based on experience in 2006 Injector installation • Hardware install estimate done top-down and bottom-up • Cable plant install estimated using R.S. Means • Fabrication/procurement • Costs based on quotes and experience with similar types of prototypes at SLAC and LLNL • Engineering and Commissioning • Timetable for completion well understood

  13. Photon Systems ETC 43% done Commissioning still to come

  14. Risks • Late changes to design requirements • Atomic Physics design not finalized • Radiation Physics requirements not final • <$200k, <4mo impact • Mitigate through formal design process • AMO design will be finalized in 3 months

  15. Risks 2 • Offset mirror system • Mirrors are specialized long-lead procurements • Precision mirror controls still in development • <$300k, <6mo impact • Mitigate through generous schedule

  16. Summary • XTOD is in procurement phase, XES still in design • XTOD and XES have suffered delays due to CR • New plan allows recovery with extended project, phased completion • Risks to major project milestones are low

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