Minutes of feedthrough meeting of 24 July, 2000.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Present: GV, Pof, MLenc, AD, TH, RM, RKK

*) Milestones:

	- FT0 was welded shut (WarmFlange/Bellows, ColdFlange/Bellows,
	  and ColdFlange/Funnel welds) on Wednesday 19 July, along
	  with pincarriers into one ColdFlange and one WarmFlange.
	  The pincarrier welds and the bellows volume of FT0 were
	  leakchecked, and found to be ok.

	- Ten T51 calibration pigtails and 20 LV pigtails arrived on
	  7 July (PO21080).  These are the pigtails ordered directly 
	  from Axon by us to fill those HEC slots not yet determined 
	  when ORSAY ordered the pigtails.  Another 10 T51 pigtails
	  and 20 LV pigtails are yet to be delivered, by 30 May 2001.
	  Of course, if we are forced to change the HEC pigtail length
	  due to the `baseplane' issue, these pigtails may in fact
	  not be useable...

	- Eighteen more bellows arrived on 21 July.

	- The heater plate / bellows braces order was placed
	  with Southern Cross.

	- An inline filter to be fitted onto the 200 litre LN2
	  dewar was ordered last week, along with an assortment
	  of `filter baskets', both wire mesh and sintered SS.
	  The inline filter should ensure that no particulate matter
	  that might be in the LN2 or the dewar gets intoduced onto
	  the feedthrough during the cold tests.

*) Aaron, Greg, and Pof have gone through all of the form sheets
   to bring them up to current standards.  Updated documentation
   will follow.

*) Greg, Aaron, and Pof will work on a detailed procedure/checklist
   for carring out the cold tests.

*) No news from Glasseal or BNL regarding the leaky pincarriers.

*) Mark will order some VCR glands and gaskets today for carrying
   out the tests to determine how much the VCR nuts should be
   tightened without causing damage.  Mark will also make some
   VCR gaskets of some plastic material (polycarbonate, polyethylene,
   or delrin) to be used to seal the VCR's during FeedThrough
   testing.

*) Mark will build a prototype crate to hold two Standard EM 
   feedthroughs for shipping.  We still plan to put 25 to 30
   crated feedthroughs into a shipping container for the actual
   shipment to CERN.  For the record, one Standard EM feedthrough
   weighs in at approximately 50 Kg.  

*) We will require a heat sealer at CERN (220 V) to reseal the
   feedthrough bags after vacuum and electrical testing.

*) The WarmFlanges have been handed over to Dave Smith to have the
   holes for the heater plate drilled.  Aaron will assist Dave.

*) Terry has proposed that one more round of thermal tests be 
   performed to demonstrate that the UVIC heater is capable of 
   holding pincarrier pins at the desired temperature under various 
   conditions, and also to determine the time constants involved
   in the temperature control system.  Terry will prepare a detailed
   list of the tests to be carried out.

*) A web page for the UVIC ATLAS FeedThrough project is currently
   under construction by Jan.

*) Are drawings available yet for the EndCap Pedestal?
   ROY PLEASE CHECK.

*) The AmbientFlange Heater Plates cover the tapped holes which
   are apparently to be used for manouvering the feedthrough into
   place for welding onto the cryostat.  This implies that the
   heaters must be installed *after* the feedthroughs are welded
   onto the cryostat.  Is this physically possible, and is there
   time allocated for this?  ROY PLEASE CHECK.

Agenda for next week:
^^^^^^^^^^^^^^^^^^^^^
- Milestones
- Progress on ColdTest instructions
- Progress on warm flange drilling/tapping
- Plans for Ultrasonic cleaning
- Documentation / database update progress
- AOB