Minutes of feedthrough meeting of January 31, 2000.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Present: AD, MGF, GV, PB, Pof, MLenc, RK, TH, RL, JL

*) Milestones -

	- The FCI/Berg cables have been ordered.
	  The shipping schedule is as follows:
	    28 Feb: 350 cables
	    28 Apr: 350 cables
	    28 May: 350 cables
	    28 Jun: 350 cables
	    28 Jul: 350 cables

	- The HEC pigtail and vacuum cable order
	  has been placed with Axon, along with
	  five special cables for electrical test
	  interconnections.

	- The pigtail and vacuum cables have been
	  installed in feedthrough minus one.
	  Initial testing with the Cirris tester showed
	  one open line.  This was found to be due to
	  an intermittent fault on one of the CRPP
	  vacuum cables, which was subsequently replaced
	  with another.  All lines were retested for
	  continuity and found to be ok.

	  A decision was taken that, up to the point
	  of welding, we will have a zero tolerance
	  level for faults in lines when building
	  production feedthroughs.  

	- The first pigtail shipment from Orsay
	  is apparently on it's way.  Margret has
	  provided Orsay with the necessary information
	  to get the cables through customs.

	- The TIS pressure vessel and weld samples
	  were shipped to CERN on 27 January.
	  Desirelli is to confirm when these arrive.

*) Bad Steel Issues: 

	  BNL held a telephone conference with Timken
	  regarding the bad steel.  Timken believes that
	  the faults were due to the rolling process rather
	  than cooling, and that the faults are isolated
	  to the end portions of the ingots.  The ingots
	  were subsequently (we're speculating here...) 
	  cut too close to the ends in an attempt to get 
	  more usable material out of the ingot.

	  The flat material for the pincarriers has been
	  checked and no faults found.

	  Terry will keep in contact with Lissauer to see
	  what BNL learns from Timken and what actions 
	  need to be taken.  Terry commented that it is
	  unlikely that the steel UVIC received is faulty,
	  since the faults would surely be seen with all
	  the machining that has already taken place. 

*) Cable restraints:

	  It is likely that we will use the cable restraints
	  only in cases where pigtail jackscrew sockets have
	  been damaged.  Five cable restraints are to be 
	  machined at UVIC to have on hand during production.

	  We will set up a test to pull with steadily increasing
	  force a pigtail, installed in a dummy pincarrier complete 
	  with jackscrew sockets, to see if the jackscrews fail before 
	  or after electrical faults appear. 

*) Jobs for this week:

	- Cut the rohacell
	- weld feedthrough -1 (scheduled on thursday)
	- continue working on the form sheets and database
	- finish the `resource loaded' schedule plots
	- sort out the label issue for the FCI cables

Agenda for next week:
^^^^^^^^^^^^^^^^^^^^^
- milestones
- bad steel report
- FT -1 progress / plans
- plans for receiving pigtails and vacuum cables
- AOB