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:
Optics
Interlock to be Defeated:
1AQ13 Flow meter trip limit reduced from "4 to 4.5 GPM" to "3 to 3.5 GPM"
Implementation:
Number:
Date:
2020-10-12
Time:
08:45:00
2020-42
Implemented By:
Jason Wait
In Consultation With:
Status:
Active
Estimated Duration:
104 weeks
Reason for Defeat:
1AQ13 flow meter trip point reduced from 4-4.5GPM to 3-3.5GPM - Water flow to magnet is below previous trip limit
Number of Yellow Tags:
2
Location of Defeat Tag(s):
1) DCR defeat board
2) 1AQ13 Power Supply
How Was Defeat Implemented?
Where is Defeat Located?:
Flow meter trip point reduced at 1AQ13 water package in BL1A tunnel
Describe Alternate Protection:
Trip set point still active at a lower value
Fault Reports:
Work Permits:
C2020-10-12-1
Disables:
Interlock Defeat
Removal:
Number:
Date:
2021-08-21
Time:
12:00:00
2020-42
Removed by:
Jason Wait
Status:
Active
Interlock Verification Method:
Number of Tags Removed:
0
Comments:
Jason Wait:
2020-11-18 02:06:10.525737
Paper defeat #8889
Requested by
Implemented by David B
Approved by David B
Kyle Mollard:
2021-08-21 11:50:47.555284
After inquiring on this defeat's status, Doug Preddy responded. "I would like to leave this defeated. The flow meter needs to be disassembled and cleaned. I will add this to our shutdown jobs."
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
