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Revision as of 22:05, 17 August 2021 by Michaelm (Talk | contribs) (Reports by Group:)

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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
  2. 8/23/21 Start commissioning (2 weeks)
  3. 8/23 BNNT cooldown in CMTF
  4. 9/7/21 Perform experiment (3 weeks)
  5. 10/18 C50R in CMTF
  6. Booster qualification following experiment until cryo trade to CMTF

New items for discussion:


Reports by Group:



  • Changes made in UED workspace for names and field maps; ready to merge soon. (Thanks Gary/Michele!)
  • HCO underway


  • Photocathodes in progress: One created - low QE; 2nd one being heated now. [Joe/Max]
  • Align laser to photocathode, using retro and QE (8/5) [Shukui]
  • Gun rebuild wiki

DC Power:

  • Trims: Complete - final tests awaiting UED merge
  • Solenoid UITFList Task: Interlock checks completed. Diagnostics on box supply reading incorrectly, measured input voltage at supply to be 470VAC. Diagnostic repair and powering load to be completed at first opportunity.
  • Replacement of cards and utility chassis' acquired for CEBAF under way...

Instrumentation and Controls: Chopper Controls (Windham/Lu)

Vacuum (Ketchum/Kortze)

  • VFVM401 Fast Valve limit switches adjusted; Kortze working firmware. Matt hooked air line up.
  • VCGM604 Cathode Gauge cabled


  • BCM project software integration under way between Musson/Seaton and Sue Witherspoon


BLM installation underway:

  • Replace those previously removed
  • Additions
    1. In crotch of MeV/Wastewater selecting dipole.
    2. Near 1st new diagnostic cross d.s. of solenoid
    3. Near 2nd new diagnostic cross by FC4
    4. D.S. of target after lead shielding

FSD inputs (original)

  • BCM current clamp system
  • Update gold masking

ME / Installation:

  • Shielding package verified by RCG; RCG checklist Friday.
  • Songsheet being updated by Shaun; be sure to let him know when changes are made!
  • Mount gas bottle rack in Labyrinth (Staged); remove gas bottles to rack.
  • Eric Forman to update Quick Reference Drawing

Sys Admin:

  • Need to configure wall monitors and install small networked printer.

Back to Main Meeting Minutes Page