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Meeting Information


To connect to the meeting, please do the following: Time: Wednesday at 9:00 AM EST.

  1. To join via a Web Browser, go to the page [1] https://bluejeans.com/946721076.
  2. To join via Polycom room system go to the IP Address: (bjn.vc) and enter the meeting ID: 946721076.
  3. To join via phone, use one of the following numbers and the Conference ID: 946721076.
    • Dial Either +1 408 740 7256 or +1 888 240 2560 for US or Canada



Long Term Schedule: Gantt (Outstanding tasks)

  1. Supplementary Shielding Installation: Mid-June
  2. Beamline Commissioning / Test Plans / Shielding Verification
  3. 7/26/21 Start Hot Check-out
  4. Commission new beam line and execute experiment
  5. Science!!!

New items for discussion:

Short term schedule update:
This week:

  • Area up to transition after solenoid under vacuum. RGA leak check completed.
  • Downstream viewer / faraday cup assembly under vacuum. RGA leak check completed.
  • One 4 5/8" BPM failed insertion checks, second 4 5/8" BPM stolen from elevated line has stripped hole (re-tap later), 3rd one removed and installed.
  • Spool pieces installed on both sides of 1st cross (one last one remaining); all but ~2 feet of beam line now under vacuum and leak checked.
  • Roof tiles off for HDIce (5/24), Dilution refrigerator craned out (5/25), and then roof tiles replaced again (5/26).
  • Last spool piece under fabrication.
  • Gun work progressing well:
    1. HV chamber evaluation - plan to bake to evaporate lubricant & pump it off, install photocathode, and bake again.
    2. Gun rebuild schedule
    3. Minor SF6 leak in HV chamber identified; repair later...

Next Week:

  • Mount bottle rack in Labyrinth; remove gas bottles to rack.
  • Wastewater experiment line fully under vacuum (with flange in place of the thin window).
  • Install target mechanism
  • Build 80/20 support structure; Pb table components awaiting delivery.
  • Unistrut mounting for cables - Neal will do when available
  • Break vacuum in FC3 region
  • Ready to install Al base plates for FC3 region rework as well as solenoid stand. FC3 plate awaiting machining.

2 weeks:

  • Add Mu metal over bellows on wastewater line.
  • Switch Wastewater line Vacuum HV from local supplies to house power. Make UED updates as appropriate for vacuum system.
  • Pull Heliax from Spectrum analyzer/Control room >> Buncher
  • 4th terminal system in Control room under assembly/rebuild
  • Items from To-do list...

Engineering Other business

Reports on Open Action Items:

Action Items:

  • Formal run plan (McCaughan)

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