Difference between revisions of "May 03, 2023, FCAL Insert Installation Meeting"

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== Agenda ==
 
== Agenda ==
−
* Minutes from last meeting  https://halldweb.jlab.org/wiki/index.php/March_26,_2023,_FCAL_Insert_Installation_Meeting
+
* Minutes from last meeting  https://halldweb.jlab.org/wiki/index.php/April_26,_2023,_FCAL_Insert_Installation_Meeting
 
* Status of dis-assembly
 
* Status of dis-assembly
 
** Updated Work plan for module removal - Malte
 
** Updated Work plan for module removal - Malte
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== Minutes ==
 
== Minutes ==
−
* We went over minutes and action items from the previous meeting
+
* Reviewed minutes from last week
−
* Malte requested a log entry to be made everyday to keep track of how many modules were removed.
+
** Malte made a shift plan and will distribute on Google docs
−
* Malte to come up with a multi shift plan for unstacking and inspecting
+
**There is a need for 50 micron aluminized mylar for big holes - Scot will order
−
* There has been some difficulty un-torquing the bolts on the side pressure bars. Keith will break the torque on all the upper bars using the proper tools.
+
** Some of the modules show cuts in the mylar from SS straps - does not seem to be increasing as we get lower in the stack
−
* Sasha wishes to set up a stacking test
+
** Eugene requesting a "forked" tool to help keep tape straight
−
** Use lower step assy in ESB
+
** No shims have been observed in upper half yet - we need to document shims in the lower half as we unstack
−
** Need to wait until modules are half un-stacked for Malte to determine which modules to use
+
** Planning stacking test in ESB once the G10 plates are modified - approx 2 weeks
−
** No modules to leave the Hall without Malte (and Radcon approval).
+
** Sasha working with Stephanie and Arshak to determine LMS fiber lengths
−
** G10 Sideplates are being reworked for design change on side pusher and for additional set screw locations
+
*** Sasha to sketch box to see where it will fit under platform
−
** Stack 3 rows with crystals in the middle to test system
+
*** There is a question about temperature stabilization in the box - is it needed?
−
* Stephanie to let Sasha know the length of LMS fibers based on his current plan
+
* We appear to be about 2 weeks ahead of schedule with unstacking going quicker than expected
−
* Arshak would like a 15 ft table in ESB for polishing and cutting LMS fibers - Scot will come up with something
+
* Sasha is in charge of stacking and will make a plan
−
* Sasha would like 2 tables in EEL 108 cleanroom for student work with crystals
+
* Malte expressed that we have enough shelving and crates for all glass modules -  
−
* Crystal testing will be done in EEL 108 and 126
+
** may need to stack 3 rows on some shelves
 +
** Keith and Scot to look at was to make lower shelves more accessible
 +
* Sasha mentioned that at some point we would like to remove some of the 400 unused cables for re-use

Latest revision as of 07:32, 9 May 2023

Meeting Time and Place

Wednesday May 03, 2023 9am At Jefferson Lab, Hall D Counting House and on Zoom https://jlab-org.zoomgov.com/j/1619449114?pwd=UFlVQ1dWTGZ0ZkVYSEx5QzE4YUI3dz09&from=addon meeting ID: 161 944 9114 Passcode: 562689

Agenda

Minutes

  • Reviewed minutes from last week
    • Malte made a shift plan and will distribute on Google docs
    • There is a need for 50 micron aluminized mylar for big holes - Scot will order
    • Some of the modules show cuts in the mylar from SS straps - does not seem to be increasing as we get lower in the stack
    • Eugene requesting a "forked" tool to help keep tape straight
    • No shims have been observed in upper half yet - we need to document shims in the lower half as we unstack
    • Planning stacking test in ESB once the G10 plates are modified - approx 2 weeks
    • Sasha working with Stephanie and Arshak to determine LMS fiber lengths
      • Sasha to sketch box to see where it will fit under platform
      • There is a question about temperature stabilization in the box - is it needed?
  • We appear to be about 2 weeks ahead of schedule with unstacking going quicker than expected
  • Sasha is in charge of stacking and will make a plan
  • Malte expressed that we have enough shelving and crates for all glass modules -
    • may need to stack 3 rows on some shelves
    • Keith and Scot to look at was to make lower shelves more accessible
  • Sasha mentioned that at some point we would like to remove some of the 400 unused cables for re-use
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