Aggregator
CREW CHIEF SIGN IN
Log Number: 4519707Logbook(s): Body:
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 07-03-26
Time : 23:10:33
Day : Friday
Shift : Owl
Crew Chief : Price
Program Deputy: Duzik
Team : D
Arm : Chaudhary
Designated SSO: Christian
LERF Operator:
Operators : Howard, Chaudhary, Christian
This stamp certifies that the above Crew Chief has read/reviewed/received the following:
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 07-03-26
Time : 23:10:33
Day : Friday
Shift : Owl
Crew Chief : Price
Program Deputy: Duzik
Team : D
Arm : Chaudhary
Designated SSO: Christian
LERF Operator:
Operators : Howard, Chaudhary, Christian
This stamp certifies that the above Crew Chief has read/reviewed/received the following:
Crew Chief Shift Log, 2026-07-03 SWING
Log Number: 4519703Logbook(s): Tags: Body:
CEBAF SHIFT LOG
Shift Summary
Start of shift: CW to Hall B.
Crew Chief Timesheet Summary: 03 Jul 2026 SWING
Log Number: 4519699Logbook(s): Tags: Body:
Accelerator
PHYSICS
STUDIES
RESTORE
ACC
DOWN
OFF (SAM)
Planned
8
0
0
"xB current 2 -> 4nA"
Downtime Incident CLOSED: Gangphase/orbit check
QuickPic - GP correction
Downtime Incident CREATED: Gangphase/orbit check
1L23-1 derated 0.4 MV/m
The OPS DRVHs for the following cavities have been updated: 1L23-1
Log Number: 4519620Logbook(s): Tags: Body:
The OPS DRVHs for the following cavities have been updated:
1L23-1
Username: shriner
Date/Time: 07-03-26_19:16:26
RF Status: Good
Tuner Status: Good
Comment: DRVH=10.500 several consecutive quench faults
Previous OPS DRVH: 11.1
Special Instructions: Faults evenly spaced
MBC8A01H mismatch
Unused trims in NA racks set to 0 amps
Log Number: 4519563Logbook(s): Entry Makers: eformanBody:
All of the trims for passes above 2R have been set to 0 amps in an attempt to reduce the heat load in the rack room. Doing so dropped the total rack power by 2731 watts (from 3677 watts to 945 watts - fig. 3).
Restore these magnet setting from allsave # 27405
ACC=>BOXES=>ARC9A=>MARC9A (MISMATCH) has been disabled in alarm handler
Hall B requests beam off to change target
Operator SIGN IN
Operator SIGN IN
Autolog save
QuickPic - CEBAF Update
QuickPic - Hall C Full Survey
CREW CHIEF SIGN IN
Log Number: 4519539Logbook(s): Body:
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 07-03-26
Time : 15:33:26
Day : Friday
Shift : Swing
Crew Chief : Forman
Program Deputy: Duzik
Team : X
Arm : Shriner
Designated SSO: Anthony
LERF Operator:
Operators : Anthony, Shriner
This stamp certifies that the above Crew Chief has read/reviewed/received the following:
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 07-03-26
Time : 15:33:26
Day : Friday
Shift : Swing
Crew Chief : Forman
Program Deputy: Duzik
Team : X
Arm : Shriner
Designated SSO: Anthony
LERF Operator:
Operators : Anthony, Shriner
This stamp certifies that the above Crew Chief has read/reviewed/received the following:










