Running Daily Phase 2 Minutes

Wednesday, Mar 15, 2023

Machine shop jobs

• HV chamber base plate modification (signed) - https://mis.jlab.org/mis/apps/job_request/mshop/view_request.cfm?request_id=331529
• Fabricate new gun feet (signed) - https://mis.jlab.org/mis/apps/job_request/mshop/view_request.cfm?request_id=331530

UITF jobs

• Plans for today and tomorrow...

CEBAF jobs

• All materials present during beam operations should be surveyed - https://logbooks.jlab.org/entry/4108499
• Matt's SAD details media:SAD 2023_injector_weeks_1_2.docx
• Week #1

CIS stay out of S&A way Mon/Tue, DC (or CIS) can remove 2I gun magnets after they're gone, latest Wed 9am

CIS will label/stage ~5 things in ISB on Mon/Tue for INSTALL to crane to tunnel on Tue/Wed

CIS will make QE/laser retro checks on Mon/Tue after S&A done, need 4-laser RF on

CIS disconnect IP's & vent VBV0I02-VBV0I07 (choppers) for repair 0I02 viewer/harp with I&C, Wed or Thu (RF lock out chopper RF by Tue)

• Week #2

CIS works under clean hood to remove present HV chamber from gun table

CIS works with S&A and INSTALL and ME to temporarily move gun table off to side, locate/anchor new gun feet to floor, and put table back

CIS works with S&A under clean hood to install/align 200 kV HV chamber and NEG tube

By end of week #2 CIS can accomodate "dirty" work.

Drury's SRF job in nutshell

3/27 Warm up quarter

4/12 - 4/18 prep the quarter for removal

4/19 - remove quarter from injector

4/20 - install bracing for microphonics mitigation

4/21 - install booster

4/24 - 4/28 prep booster for 4K cool down

5/1 - Cool down booster

Tuesday, Mar 14, 2023

UITF jobs ...

• Yesterday's run down...
• Today, what's happening...
• When does Vince get the plate...?

CEBAF jobs ...

• Neil would like list of things to crane, should be prepped prior day for:
  • Tue 3/21 (...)
  • Wed 3/22 (...)
• Viewer/harp ...
  • Which day to vent?
  • Will ask Nate for help, yes?

Monday, Mar 13, 2023

UITF jobs ...

• Max status
• Shukui LTT the laser
• HV cable disconnect
• Magnet, bpms, bias, rad probe disconnects
• Modify base plate - https://misportal.jlab.org/mis/apps/job_request/mshop/view_request.cfm?request_id=331529

CEBAF jobs next week ...

• Neil's jobs/when

• 1st week of SAD
  • S&A first two days
  • Test laser retro, store puck, LTT laser
  • CIS move things to tunnel
  • Vent chopper, repair viewer/harp

Friday, Mar 10, 2023

• Joe

...found Gun2 has Bulk #32 puck for HV conditioning (i.e. don't need to bring one from UITF) - https://logbooks.jlab.org/entry/3876517

...things to do on Monday ... isolate laser, vacuum valves, disconnect electrical things, stow pucks, HV cable disconnect, move toward clean room

...EH&S approved their part (but needs HV OSP in place if we go that route) => * ATLIS => https://tasklists.jlab.org/atlis/tasks/108541

• Max

...running final beam test, plans to wrap up today, latest Sunday

...coordinating w/ DC Power and I&C to de-energize and disconnect cables to magnets and bpm's

• Marcy

...polishing CEBAF install work plan gantt chart, will circulate and review on Monday

...coordinating w/ Vince for modification of "blue" HV chamber base plate next week

• Steve

...has plan to work with Scott and to document racks/controls during SAD

...let's review laser plan with Shukui (replace Hall A mode-lock with temp regulating seed, continue developing/testing new board for later upgrade)