2021-06-16

Meeting Information

Connecting

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: 199.48.152.152 (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

Agenda

Schedule

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:

• Elevated beam line terminated in pump and RGA leak checked
• Experimental beam line under vacuum with thin window attached, RGA leak check required.
• Vacuum pumping down well, but light bake may be required once we have completed installation.
• STAC5 controller for chopper configured, installed, and tested.
• FC3 region vented, purged, and mostly reconfigured.
• Go ahead given by division management for FML to procure concrete shielding using funds from LDRD and UITF (10K+30kprocurement+30K AIP/Labor reapportionment)

Still to do:

• Finish FC3 region vacuum work.
• Install target mechanism
• Add Mu metal over bellows on wastewater line.
• EES may start cabling downstream section & making UED updates.

• Gun work progressing well:
  1. HV chamber evaluation - plan to bake to evaporate lubricant & pump it off, install photocathode, and bake again.
  2. First bake went well, despite an unexpected power outage.
  3. Test lab procedures updated to contact UITF and Polarized source group in event of power outages in the future.
  4. Sb source laser aperture added in depo chamber; aligned to laser path.
  5. Mask alignment examined
  6. Pucks prepared for next run
  7. Gun rebuild schedule
  8. Minor SF6 leak in HV chamber identified; repair later...

Next Week:

• Build 80/20 support structure; Pb table components awaiting delivery. (status update?)
• Ready to install Al base plates for FC3 region rework as well as solenoid stand. FC3 plate awaiting machining.
• Mount bottle rack in Labyrinth; remove gas bottles to rack.
• Unistrut mounting for cables - Neal will do when available

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:

• Formal run plan (McCaughan)

Back to Main Meeting Minutes Page