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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/984025598.
  2. To join via Polycom room system go to the IP Address: (bjn.vc) and enter the meeting ID: 984025598.
  3. To join via phone, use one of the following numbers and the Conference ID: 984025598.
    • Dial Either +1 408 740 7256 or +1 888 240 2560 for US or Canada



Long Term Schedule: Gantt (Outstanding tasks)

  1. 8/9/21 Start Hot Check-out

New items for discussion:

Short term schedule update:
This week:

Reports by Group: CIS/EGG:

  • Gun operating at 180kV w/o Field Emission
  • HV tests with a GaAs puck (#8) in the gun (8/3) [Carlos]
  • Gun HVPS locked out , reconnect gun valve, charge NF3, degas heater/puck, get UITF laser on (8/4)
  • Make photocathode (8/5) [Joe/Max]
  • Align laser to photocathode, using retro and QE (8/5) [Shukui]
  • Gun rebuild wiki

DC Power:

  • Trims:
    1. Trim magnets near gun re-cabled.
    2. Wastewater beam line trims cabled up.
    3. Trim magnets near FC#3: 401H/V (completed) & 501H/V correctors + 501 quad
  • Solenoid PS being installed. Supply cabled and LCW hooked up.
  • MHB magnet re-designation to MLH to avoid confusion: Chris Gould making nomenclature changes / Gary Croke & Michele Joyce making controls changes / Eric Forman to update Quick Reference Drawing / Shaun to take care of song sheets
  • Changes made in UED workspace for names and field maps; ready to merge soon. (Thanks Gary/Michele!)

Instrumentation and Controls:

  • BCM project software integration under way between Musson/Seaton and Sue Witherspoon
  • Viewer system status [IC; Norris]
    1. Recable 2 viewers in keV whose channels were appropriated for HDice (done)
    2. Reconnect IYGM401 (formerly ITV, now YAG)
    3. Drag cable and connect IYGM603 and IYGM603 (appropriated from HDice line, swapped ITV > YAG).
    4. Brian Freeman available for adViewer work for video camera for ITVM604A? Dome focusing still required...


  1. 6GHz > 1.5GHz Down-converter installed for bunch length system



  1. BLM locations being set 7/21 following this meeting
  2. FSD inputs for magnet and BCM being prepared

ME / Installation:

  1. Pb stacked; RCG required modification due to permanent shielding req delay.
  2. New designs for FC3 and FC4 with a great many thanks to Shaun for the design work and John/Xi for Pb arrangement and table construction!
  3. Songsheet being updated by Shaun; be sure to let him know when changes are made!
  4. Status of permanent shielding purchase?


  • COO/ESAD/RSAD prepared; committee response in progress.


Still to do:

  • Add Mu metal over bellows on wastewater line.

Next Week:

  • Mount bottle rack in Labyrinth (Staged); remove gas bottles to rack.
  • Unistrut mounting for cables - Neal will do when available
  • Engineering work on beam line starting

2 weeks:

  • 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:

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