1. WP-46 XFEL 3rd harmonic system XFEL Project Progress Report (1-2010)
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presented by Paolo Pierini and Elmar Vogel

2. Comparison of forecasted and achieved progress: Dec. 09 -> Jun. 10
ACC39 
module installation 
technical commissioning 
preparation of ACC39 beam commissioning 
commissioning with beam 
beam dynamical questions with respect to the XFEL module and cavities clarified  ()
power rf ready for ACC39 operation in FLASH 
3.9 GHz rf control ready for FLASH 
pre-study for HOM beam position monitors in FLASH  ()
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3. XFEL components – infrastructure and cavity equipment
Comparison of forecasted and achieved progress: Dec. 09 -> Jun. 10 (continued) 3
XFEL components – infrastructure and cavity equipment
test and processing of four prototype couplers at FNAL 
vertical test stand available at INFN 
adoption of clean room infrastructure for coupler assemblies at DESY 
planning 3rd harmonic string assembly infrastructure 
start working on CECHIA modification for 3.9 GHz cavity tests 
XFEL 3.9 GHz power rf station available at DESY 
Before you start editing the slides of your talk change to the Master Slide view: Menu button “View”, Master, Slide Master:
Edit the following 2 items in the 1st slide: 1) 1st row in the violet header: Delete the existent text and write the title of your talk into this text field 2) The 2 rows in the footer area: Delete the text and write the information regarding your talk (same as on the Title Slide) into this text field.
If you want to use more partner logos position them left beside the DESY logo in the footer area Close Master View 3

4. 4
Comparison of forecasted and achieved progress: Dec. 09 -> Jun. 10 (continued)
XFEL components – cavities and module
three prototype cavities delivered by vendor ready for vertical test 
vertical test of three prototype cavities at INFN 
He vessels available for the three prototype cavities 
tuners available for the three prototype cavities 
magnetic shielding available for the three prototype cavities 
couplers ready for assembly
start of cavity integrated in He vessel and tuner assembly 
XFEL module design ongoing 

5. Reasons for schedule deviations Dec. 09 -> Jun. 10
ACC39
beam dynamical questions with respect to the XFEL
long bunch train (> 30 bunches) operation pending
pre-study for HOM beam position monitors in FLASH
much less (or no) problems with beam properties than previously expected
releasing the pressure achieving immediate success with the HOM BPMs

6. Reasons for schedule deviations Dec. 09 -> Jun. 10 (continued)6
XFEL components – infrastructure and cavity equipment
adoption of clean room infrastructure for coupler assemblies at DESY
planning 3rd harmonic string assembly infrastructure
start shifted to October 2010
this shift still fits the over all WP46 schedule
start working on CECHIA modification for 3.9 GHz cavity tests
XFEL 3.9 GHz power rf station available at DESY
priority given to ACC39 and FLASH
people fully allocated with work on ACC39 and FLASH
offer from FNAL colleagues performing the horizontal cavity tests at FNAL 

7. Reasons for schedule deviations Dec. 09 -> Jun. 10 (continued)7
XFEL components – cavities and module
three prototype cavities delivered by vendor ready for vertical test
cavities are indeed ready, work at vendor (last BCP &HPR) waiting for INFN test station
vertical test of three prototype cavities at INFN
All H/W now available since april
3.9 GHz amplifier and LLRF, variable coupling antenna
HPR system improved for small cavities
Commissioning delayed by status of He liquefier
repair work on compressors and cold box (many leaks had to be fixed)
Commissioning with 1DE15, starting cooldown today 

8. Reasons for schedule deviations Dec. 09 -> Jun. 10 (continued)8
XFEL components – cavities and module (continued)
He vessels available for the three prototype cavities
tuners available for the three prototype cavities
magnetic shielding available for the three prototype cavities
draft drawing packages of above nearly ready
cannot launch yet their purchase (lack of budget availability)
start of cavity integrated in He vessel and tuner assembly
well, we need the components for that…

9. Activities and milestones scheduled for Jun. 10 -> Dec 10
ACC39
long bunch train operation checking everything ok with the design for the XFEL?

10. XFEL components – infrastructure and cavity equipment
Activities and milestones scheduled for Jun. 10 -> Dec 10 (continued) 10
XFEL components – infrastructure and cavity equipment
finish test and processing of four prototype couplers at FNAL
testing all three prototype cavities vertically
fabricating tanks/tuner and start dressing prototype cavities
adoption of clean room infrastructure for coupler assemblies at DESY
planning 3rd harmonic string assembly infrastructure
(start working on CECHIA modification for 3.9 GHz cavity tests)
(XFEL 3.9 GHz power rf station available at DESY)
proceed with string and module design

11. Open Issues
Actually, we see no open issues, which have not already been addressed!

12. Investment profile of DESY WP-46 commitment until 2014 2005 values - cost escalation unconsidered
reliability of investment profile similar to the one of the schedule
systematic effects due to restricted granularity allocating invest resources in MSPE
systematic effects at tasks which are not on the critical path an may therefore float during time