[Halla_running] [New Logentry] RC Update - Nov 16

chandan at jlab.org chandan at jlab.org
Thu Nov 16 09:15:01 EST 2023


Logentry Text:
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The dump recovery work:
Yesterday, there was an inspection for any sign of water in any of the electrical components - There were no signs of water (https://logbooks.jlab.org/entry/4221257).
The backup pump was restarted yesterday and that was circulating water through the whole night (https://logbooks.jlab.org/entry/4221258).
This morning the facility will turn on the main pump and will keep that under observation for 4 hours before signing off.
We are expecting to hear their final words after lunch.
If everything goes well, we may get beam either today's swing/tomorrow's owl shift.
Coordinated with Hall A work coordinator to take the hall into Controlled Access by the end of today (ASAP).

Accelerator Status:
Yesterday, the injector group heated up the cathode - The QE became 3x its previous -estimated to last until Christmas break.
Last night and today during the day shift, MCC performed/will perform gradient calibrations for the cryomodules.
Due to some expired OSP, the RF personnel could not work on some of the cryomodules (2L22 and 2L23).
MCC is expecting to sign off the new OSP by noon and expects to beam to the halls by early swing.


A sincere note to all the subsystem experts/owners, please perform all (if there is any) work in the hall ASAP.
Please coordinate with the RC/Hall A work coordinator for this.
The Hall A Techs are working on taking the hall into controlled status.

Given the situation, I have restored the shift schedule for Thursday's Swing and Friday Owl.
There are many opening slots on the shift schedule. We need your help to run this experiment (Please be part of the hard work (from RadCon, Facility, MCC, and many more) that puts us in this optimistic situation).


We will have a regular RC meeting at 3:30 pm today in the CH conference room.
People can join remotely via:
https://jlab-org.zoomgov.com/j/1616220064
Meeting ID: 161 622 0064
Passcode: 314159
 

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This is a plain text email for clients that cannot display HTML.  The full logentry can be found online at https://logbooks.jlab.org/entry/4221424
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