Aggregator

Log Number: 4551325Logbook(s): 

• ELOG
• POLOG

Body: 

A great scope walkthrough today with Vince and Dave from the machine shop and Jessica, Marcy, Shukui and me. The job is nominally planned for Monday morning, there will be a PJB for the crew before the job begins. Shukui is managing the WCD's.

We have a good plan, here are some of the remaining pre-jobs:

1. Shukui will work with RadCon to acquire a second rad-vac so we can collect aluminum wall shavings/debris both inside and outside the laser room and will coordinate with Onish to turn off the magnet racks so correctors and solenoids are unpowered.

2.

Log Number: 4551322Logbook(s): 

• ELOG
• INCLOG

Body: 

IPM1L00 - IF card check (https://logbooks.jlab.org/entry/4551218)

IPM1L04 - IF card check (https://logbooks.jlab.org/entry/4551219)

iocse1 - BPM calibration (https://logbooks.jlab.org/entry/4551149)

Log Number: 4551321Logbook(s): 

• ELOG

Body: 

from Cryo e-mail:
Yesterday, we put 1L07 on a purge rig to start a cleanup flow. We are flowing through the module and will continue to do so until we install U-Tubes for the module cooldown.

SRF has requested to cooldown the module on Monday, November 2nd, which we are able to support. This makes the U-Tube schedule as follows:

Monday 11/2: Install primary supply and both shield U-Tubes (L-Tube for primary return is already installed with purge rig)

Wednesday 11/4: Swap L-Tube for primary return after a successful cooldown and additional soak time

Log Number: 4551320Logbook(s): 

• ELOG

Body: 

Mark is have ePAS approval issues. Working with Brittany to resolve. Work should start on Monday if problem is resolved.

Log Number: 4551319Logbook(s): 

• ELOG

Tags: 

• MCC8am

Body:  Click to add title Gun/source prep chamber rebuild Click to add image

Log Number: 4551317Logbook(s): 

• ELOG

Body: 

Task will be completed this morning.

Log Number: 4551316Logbook(s): 

• ELOG

Body: 

Please attach AHA and SSSP Excavation Permit to this ATLis.

Task approved, added to SAM Cal and Work Map.

Log Number: 4551313Logbook(s): 

• ELOG

Body: 

1L25. Continue with insulating vacuum leak check. Troubleshoot insulating vacuum Twistorr turbo.

Log Number: 4551312Logbook(s): 

• ELOG

Body: 

Via e-mail touched based with DC Power, MSS, and AES Electricians who indicated they'll be working in the Bldg today. RF comment below. All have confirmed this outage is compatible with their use of the building today.

Once the PTW is on-issue this task is approved for execution today, 10/29. Added to SAM Cal and Work Map.

Log Number: 4551311Logbook(s): 

• ELOG

Body: 

Works for RF

Log Number: 4551310Logbook(s): 

• HDLOG
• ELOG

Body: 

Waiting for delivery of procurements
Hall D - Scheduled maintenance
TAGM fiber bundle production - ongoing

Log Number: 4551309Logbook(s): 

• ELOG
• SRFLOG

Body: 

Completed Tuner characterization for cavity 4.
Then did the gradient ramp for cavity 4. Emax at 23.1 MV/m - quench limited.
FE Onset at ~18 MV/m
Max dose rate ~ 500 mR/hr at 22.6 MV/m
Attempted one hour at 22.6 MV/m. After about 45 minutes, klystrons faulted on KMAV.
Completed FE vs E measurement

Log Number: 4551308Logbook(s): 

• ELOG
• SLOG

Tags: 

• MCC8am
• Software and Controls

Body: 

Finalizing JAWS admin tools: Working on methods for installing a new configuration.

Log Number: 4551307Logbook(s): 

• ELOG

Body: 

Calibration of North LINAC, West ARC, South LINAC, and East ARC dissolved oxygen sensors completed. Plan is to replace failed two North Access Honeywell UDC Thursday 10/29/26 and then move to the South Access to begin replacement of several failed Honeywell UDC's. Replacement UDCs arrived recently.

Log Number: 4551306Logbook(s): 

• ELOG

Tags: 

• Autolog
• MCC8am

Body:  */ ATLis Comments Posted 18:00 Tuesday October 27 through 18:00 Wednesday October 28 AES DC Power Systems Disconnect, Remove 20 Amp Trim Power Supplies For Bench Repair

2026-10-28 11:10 - Jason Delk

Log Number: 4551305Logbook(s): 

• HALOG
• ELOG

Tags: 

• PD

Entry Makers: jonesBody: 

• Leak checking the hydrogen piping.
• Prepared a cable tray support stand for welding.
• Upstream pivot platform girder support is aligned and ready for S&A.

Log Number: 4551304Logbook(s): 

• ELOG
• SLOG

Tags: 

• Autolog

Body: Event/action ID: 3 [mod.type.prop.ioc.macaddress]
Deployment: ced
Workspace: ops
Changes:
ioccs1.macaddress

Log Number: 4551303Logbook(s): 

• ELOG
• SLOG

Tags: 

• Autolog

Body: restorelib 3.0.1 Target restore date was 2026-10-28 16:29:08 The output from the myRestore execution was as follows: iocsoftrfcrydev1 systemEnum@2026-10-28 16:29 2(2) restored Execute: /usr/csite/certified/bin/ced2Epics -ced ced -A -i iocsoftrfcrydev1 (success) PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 Procedure return status: Success

Log Number: 4551302Logbook(s): 

• CLOG
• ELOG

Entry Makers: creelBody: 

Performed SCN CC4 spin test up to 70HZ
Oscilloscope traces of position sensors looked good.
No wobble identified. Position feedback signal amplitude did not grow with speed and bearing currents remained low.
More testing in the AM.

Log Number: 4551299Logbook(s): 

• ELOG

Body: 

Today Hall C technicians worked on.

Getting Fall protection permit, Rad work permit and EPAS approved and signed.
Cross training on Bridgeport milling machine
EPAS training
ENGE mobile detector stand.
NUCAT scintillator frame holder.
Assembling filament extrusion project parts.

Thursday 10/29/26 we have requested RADCON support to remove down stream beam pipe.