Electron Beam Systems ETC and Methodology

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Electron Beam SystemsETC and Methodology
David Schultz E-Beams Systems Manager

• Electron Beam Systems
• Definition of terms
• Schedule Overview
• Start-Up Test Plan
• E-Beams Costs
• Risk Analysis

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E-Beams Systems layout
Sector 21
Sector 20
Laser lab
BC1
LX
L1
Injector
Injector Commissioning complete
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The electron gun in the Injector
Laser beam transport
Electron gun
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E-Beams Systems layout
6 MeV
250 MeV
4.30 GeV
13.6 GeV
135 MeV
Linac-X L 0.6 m
Linac-0 L 6 m
rf gun
Linac-1 L ?9 m
Linac-2 L ?330 m
Linac-3 L ?550 m
Commissioned
Now Installing
...existing linac
undulator L 130 m
X
BC2 L ?22 m
BC1 L ?6 m
LTU L 275 m
L2/BC2/L3
Injector/BC1
SLAC linac tunnel
research yard
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E-Beams Systems layout
Beam Transport Hall Transport the electron beam
to the Undulator
Undulator Hall Underground tunnel housing the
undulator.
Controls Beamline and diagnostics control for
e-beams systems.
SLAC Linac LCLS uses the last 1/3 of the
existing Linac.
Electron Beam Dump Underground facility for the
beam dump.
Near and Far Halls Areas for x-ray experiments
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E-Beams Systems WBS structure

• Injector WBS 1.02, 2.02
• Jose Chan, Control Account Manager
• Laser/Gun/L0/Spectrometer
• Installed and commissioned
• Create electrons, accelerate, analyze beam quality

• Laser Heater
• Accelerator RD activity

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E-Beams Systems WBS structure

• Linac WBS 1.03, 2.03
• Jose Chan, CAM
• L1/Lx/BC1 Installed and commissioned
• Accelerate the beam,
• initial beam bunch compression
• L2/BC2/L3
• Full beam acceleration,
• second compression of bunch

• LTU
• Transport electron beam from Linac to Undulator
• Electron dump
• Safely dispose of the electron beam

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E-Beams Systems WBS structure

• Undulator WBS 1.04, 2.04
• Generate x-rays as the high power electron beam
  passes through.
• Undulator Systems at ANL, Geoff Pile, CAM
• Fabricate components and supports for the
  Undulator system
• Undulator Integration at SLAC, Rodd Pope, CAM
• Tune, fiducialize, assemble, and install the
  Undulator system

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E-Beams Systems WBS structure

• Accelerator Controls WBS 1.02.02, 2.02.02,
• 1.03.02, 2.03.02, 1.04.02,
  2.04.02
• Hamid Shoaee, CAM
• Controlling hardware, cable plant and software
  for Injector, Linac and Undulator Systems
• Commissioning WBS 2.01.01, 2.02.17,
• 2.03.07, 2.04.06
• David Schultz, CAM
• LOE manpower for LCLS personnel and maintenance
  groups during the electron beam commissioning
  process.

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System Design Management

• System engineering resource loaded schedule is
  controlled through P3.
• Design process
• 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 the PRD is to be satisfied.
• Physicists and Engineers sign-off on component
  assembly and testing prior to installation.

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E-Beams Systems Level 3 Milestones
L3 milestones sufficient and properly distributed
to monitor performance.
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E-Beams Systems Level 3 Milestones
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LCLS Installation and Commissioning Time-Line
X-ray tunnel/FEH Install
LTU/Und/Dump Install
FEH X-rays milestone
Flux milestone
CF Early Occupancy
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
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Start Up Test Planning

• LCLS Safety Assessment Document is due 7/2008
• LCLS Accelerator Readiness Review is needed
  10/2008
• Systems installed, checked out, signed off by
  responsible parties.
• Safety officers signoffs on approvals and
  installations.
• Safety specific systems (Personnel Protection)
  certified.
• Maintenance groups have procedures and training
  in place.
• Procedures in place for Operations, and Operators
  trained.
• Beam Authorization Sheet prepared.
• Detailed commissioning schedule and performance
  goals are produced by the LCLS Physics group.
• Approval to begin commissioning given by the
  Directors office

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E-Beams Systems Cost Estimation

• As installation is approaching, systems are well
  defined.
• Installation costs
• Based on experience in 2006 Injector
  installation.
• Hardware install estimate done top-down and
  bottom-up.
• Based on experience on undulator prototype at
  ANL.
• Cable plant install estimated using R.S. Means.
• Fabrication/procurement
• Costs based on quotes and experience with
  prototypes at SLAC and ANL.
• Engineering and Commissioning
• Timetable for completion well understood.

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Risk Assessment

• Design maturity and cost/schedule exposure are
  used in the contingency analysis for all DCE
  activities.
• Major risks are identified as Risk Registry
  entries, and assessed and maintained by the
  System Manager.
• The Senior Management team reviews the Registry
  monthly.
• Summary of E-Beams Systems entries
• Linac (2)
• Risk Linac diagnostics may need to be enhanced
  to have sufficient sensitivity for FEL
  commissioning.
• Mitigation The upcoming BC2 commissioning will
  determine if an upgrade is warranted.

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Risk registry

• Summary of entries (cont.)
• Undulator (3)
• The assembly of the Undulator Girders is a
  pacing item for Undulator commissioning.
• Several components from ANL are close to being
  the limiting factor
• Risk Any rework or modification of parts at SLAC
  will delay girder assembly.
• Mitigation We have multiple weekly video
  meetings with ANL and quarterly Undulator
  collaboration meetings to ensure coordination.
• Integration engineers at ANL and at SLAC have
  been established to coordinate the receipt and
  assembly.

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Summary

• Electron Beams Systems are approaching final
  installation.
• Systems are well defined,
• Based on Project documentation.
• Resource loaded schedule in P3.
• Costs have a solid basis.
• The start up test plan is based on the successful
  turn-on of the LCLS Injector.
• Identified risks are being controlled.