Aggregator
Gun HV Turned Off
RF On/Off turned HV Off
Gun HV Rampdown Initiated
Operator SIGN IN
QuickPic - North Linac: Full Survey
"North Linac: Restricted Access"
CREW CHIEF SIGN IN
Log Number: 4468601Logbook(s): Body:
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 02-05-26
Time : 07:10:32
Day : Thursday
Shift : Day
Crew Chief : Humphry
Program Deputy: Mock
Team : B
Arm : RadCon
Designated SSO: Janak
LERF Operator:
Operators : Janak
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 : 02-05-26
Time : 07:10:32
Day : Thursday
Shift : Day
Crew Chief : Humphry
Program Deputy: Mock
Team : B
Arm : RadCon
Designated SSO: Janak
LERF Operator:
Operators : Janak
This stamp certifies that the above Crew Chief has read/reviewed/received the following:
COMMENT ON RF HCO & Gradient Ramp 2026
Log Number: 4468600Logbook(s): Body:
Ops turned on most of 1L07: https://logbooks.jlab.org/entry/4468583
COMMENT ON YBBS06 Leak Repair
Log Number: 4468598Logbook(s): Body:
Current Work Schedule: -
2/3 to 2/6 – Vac vent up beamlines and remove interferences. DC Power disconnects shunts and RTD cables
2/9 – YBBS06 removed and taken to Bldg 36 Mag. Meas. area for repair
2/10 to 2/12 – YBBS06 repair and testing (Tightness check, Hi-Pot, Continuity, etc.)
2/13 – YBBS06 Re-Installed
2/16 – S&A 2a Alignment (Beam pipe re-installation can start once 2a alignment completed)
2/17 to 2/20 – Re-install beam pipe, pump down & leak check. DC power can reconnect RTD’s, Shunt and power
2/23 - S&A 2b Alignment.
Note: - Re-Installation may shift depending on repair progress.










