Interlock Defeat /
Device Disable
Management System
v1.5
(Driver)
Accelerator Complex:
Driver
RIB
TR13
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Implementation
Removal
Interlock Defeat
System(s) Affected:
Targets
Interlock to be Defeated:
STF Ion Exchanger Return Resistivity pinned at STF BYP 010
Implementation:
Number:
Date:
2023-08-17
Time:
10:45:00
2023-469
Implemented By:
Dale Nagra
In Consultation With:
Status:
Removed
Estimated Duration:
1 weeks
Reason for Defeat:
PLCData error coming through after meter replacement yesterday. Requested to pin the signal to run beam. Present readback is below 6 Mohm and in trip mode.
Number of Yellow Tags:
2
Location of Defeat Tag(s):
B2 level Rack 1A and defeat board in control room.
How Was Defeat Implemented?
Where is Defeat Located?:
STF BYP-010 pinned
Describe Alternate Protection:
Steve Sapriken has authorized this defeat till further notice.. Target Cooling Return Resistivity is nominal, monitored in DCR.
Fault Reports:
Work Permits:
Disables:
Interlock Defeat
Removal:
Number:
Date:
2024-04-19
Time:
17:00:00
2023-469
Removed by:
Dale Nagra
Status:
Removed
Interlock Verification Method:
Fuse replaced under C2024-03-20-7. Device is working properly again. Defeat retired at the request of Louis M.
Number of Tags Removed:
2
Comments:
Brandon Humphries
David Bandiera
Elena Bylinskaia
Jason Wait
Robert Scheepmaker
Eric Chapman
Ryan Lovelidge
Riley Schick-Martin
Dale Nagra
Travis Kurucz
Chris Sooley
Kevin Lucow
Jas Uppal
Kathleen Genge
Gauhar Hayat
Frank Hosta
Ryan Anderson
