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:
Safety
Interlock to be Defeated:
High energy section BLMs
Implementation:
Number:
Date:
2023-06-14
Time:
12:15:00
2023-318
Implemented By:
Brandon Humphries
In Consultation With:
Status:
Removed
Estimated Duration:
3 hours
Reason for Defeat:
Performing beam spill measurements in the high energy section for confirming calibrations. Need to see full measurements of losses without BLMs tripping.
Number of Yellow Tags:
2
Location of Defeat Tag(s):
1-On ESS panel
1-On cork board in the back of the DCR
How Was Defeat Implemented?
Where is Defeat Located?:
Keiko (Controls) changed the calculation on the BLM summaries to ignore the high energy BLM channels. This allows the FSD interlocks to be satisfied.
Describe Alternate Protection:
Approval obtained from head of commissioning. Beam power is being restricted by the EOECM.
Fault Reports:
Work Permits:
Disables:
Interlock Defeat
Removal:
Number:
Date:
2023-06-14
Time:
15:00:00
2023-318
Removed by:
Brandon Humphries
Status:
Removed
Interlock Verification Method:
Confirmed that disabling BLMs now causes a trip as intended. See e-log for pictures.
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