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e-Beams Systems Update

Stay informed about the latest developments in the Linac and Undulator Systems, including new cost account managers, Injector Commissioning progress, installation schedules, undulator components, and ongoing issues. Follow along with the updated time-line for installation and commissioning at the forefront of innovation.

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e-Beams Systems Update

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  1. e-Beams Systems Update David Schultz • People • ARR • Linac Installation • Undulator Production • MMF Operations

  2. New responsibilities in Linac and Undulator • Jose Chan is the new Cost Account Manager for LCLS Injector and Linac Systems, taking over from Eric Bong. • Geoff Pile is the new Cost Account Manager for Undulator Systems at ANL, taking over from Steve Milton.

  3. Injector Accelerator Readiness Review

  4. Injector Accelerator Readiness Review • Safety Assessment Document • The LCLS SAD for Injector Commissioning was approved Jan. 24th. • Accelerator Readiness Review (ARR) • The ARR for Injector Commissioning was held October 31st. • The committee (in part) reconvened March 14th. • The four pre-start items were cleared when the ARR report was released. • Four comments from the SSO were also addressed. • Approval to operate was given April 4th.

  5. Injector Commissioning First electrons from the gun 4/5/07 • Injector Commissioning is underway. • Commissioning has been impeded by faulty hardware • Problems with profile monitors, toroids, FC • Working on improving QA, in the shops, with vendors and during installation. Courtesy P. Emma

  6. 2007 Commissioning Sector 21 Sector 20 Laser stopper BLM BC1 LX L1 Ins/SAB Wall See P. Emma’s talk

  7. Installation Schedule 250 MeV 4.30 GeV 13.6 GeV 6 MeV 135 MeV Linac-X L =0.6 m Linac-0 L =6 m rf gun L0-a,b Linac-1 L 9 m Linac-2 L 330 m Linac-3 L 550 m 25-1a 30-8c 21-3b 24-6d ...existing linac 21-1 b,c,d undulator L =130 m X BC2 L 22 m BC1 L 6 m ‘Wall region’ DL2 L =275 m 2007 down Now commissioning SLAC linac tunnel research yard

  8. Draft LCLS Installation and Commissioning Time-Line Drive-Laser Commissioning First Spont. Light LTU/Und/Dump FEE/NEH Install DONE Drive-Laser Installed Controls Checkout LTU/und. hall “ready” ’08 inst. sched. under development DONE DONE CD-4a A 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 2006 2007 2008 2009 PPS Checkouts Gun/Inj./BC1 Install Gun/Inj/BC1 Commissioning Controls Checkout DONE LTU/und. Commissioning linac/BC2 Install Linac/BC2 Commissioning April 12, 2007 rmb

  9. ’07 Downtime Installation • Sept., Oct., Nov. 2007, a very tight schedule. • Installation of BC2 and L3, not L2. • Installation to support BTH-West • Cable plant installation through the BSY • Coordinated through the AD downtime schedule • IRR held March 16th. • Kicker magnet design is still ongoing. • Cable plant inst. schedule is tight. • Scheduling and coordination between the different disciplines will be vital. See breakout talks

  10. ’08 Installation LTU/Undulator/Dump • Readiness for early occupancy held at Nov. 1, 2007 • Begin installation with: • Metrology • Beamline supports • Cable plant • Installation scheduling to be coordinated by R. M. Boyce • Installation contracts need to go to bid this summer. • Need to complete designs to support these. See breakout talk

  11. Undulator Systems Components • Quadrupole magnets on order. • Beam Finder Wire going to procurement. • Wire card a SLAC responsibility, design underway. • Support/Mover system going to procurement. • RF Beam Position Monitor in development. • Prototype being brazed. • Vacuum Chamber – next slide • These systems are all near the critical path. • WPM/HLS FDR was held March 22nd See G. Pile’s talk

  12. Undulator vacuum chamber - 4-Weld Design • Two competing designs were carried to the prototype stage. • Review of the Undulator Vacuum Chamber Design Options, Feb. 22nd • The 4-Weld design was selected to remain the baseline. Early 4-Weld prototype • 2 full size prototypes have been produced and tested. • Vacuum properties, mag. permeability, • surface coating process, look good. • Fabrication schedule identified as a problem. • Ordering materials now, preparing the fab. bid package

  13. Undulator Magnetic Measurement • 35 undulators have been accepted at the vendors. • 20 undulators are at SLAC. • All undulators will be at SLAC by July. • The MMF is in a production mode, but behind schedule. • 3 undulators finished magnetically, but not RFI. • 1 undulator in fine tuning, 1 in rough tuning. • Production rate is approaching 1 per week. • Learning to deal with the exceptional cases. See breakout talk

  14. Issues • The ’07 downtime Linac installation schedule is very tight. • Hardware availability is being closely monitored • Kicker magnet, cable plant, are concerns • Controls checkout (last) is at risk. • The Undulator vacuum chamber is still on the critical path. • This schedule is being pushed. • RFBPM production schedule is close to critical. • The MMF is in production. • Need to solidly demonstrate throughput.

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