Feedthrough Meeting 16/07/97

present:  P. Birney, T. Hodges, R. Keeler, M. Lefebvre,
          P. Poffenberger

- News from the LARG week
  Richard, Margret and Roy attended the LARG week.
  Richard will put together a summary of his notes.
  - Axon people were present at the cold cable meeting (say to
    have been chaotic);
  - BNL has 90 vacuum cables, of which 40 don't work.

- News from BNL
  Michel talked to David Rahm.
  - They have received 30 pin carriers (out of the 54 ordered)
    and one was found to leak (the same one as before). 
  - Bellows current cost estimates are US$9k for the fisrt 5 they
    are getting now, and then US$1.1k a piece.
  - At the moment they are putting a 1/2" pipe tap on the hole
    on the warm flange.
  - He reminds us to find us if there is enough room to do the
    circulard between the warm and cold vessel of the endcap
    cryostat.  We should also think about ways to test the weld
    for leaks.
  
- Pof on leak test setup parts
  Pof gave an update of his efforts to put together sufficient
  info to file in purchase requisitions.
  [the following purchase requisisitions have been filled, and
   may be soon released by Pof:
   - Calibrated leaks
   - gauges
   - RGA]
  Progress has been made in understanding the various quotes for
  the He leak tester.

- Paul on the leak test setup design
  Paul presented (even greater) ideas on the various testing 
  setups that we will need, with a technical drawing.
  We all agreed that we now have a conceptual design for the
  test setup.
  Paul (and Pof) will look into putting together what's is needed
  in terms of vacuum parts.  In particular, 3 parts were identified
  that needed to be custom build.  Those should be ordered earlier.

- Trip to BNL 
  Richard and Margret will go on a vacuum cable expedition.  
  First stop at Ottawa base camp, to meet with Sherpa Ernie
  Neuheimer, and then to the summits of BNL, where they hope
  to find the Yeti that knows why the vacuum cables have to
  be the way they are currently designed and why they have
  to be so expensive.
  We are going to spend quite a lot of money on these cables,
  so all this is very important.  They are also likely to be
  on the critical path at the end of the day.
  Information should also be gathered concerning the DC testbox.
  An attempt will be made to have a tour of the assembly and
  leak test setup.