Interlock Defeat

System(s) Affected:
Fire Alarm System

Interlock to be Defeated:
13:075-067 Grnd -Hot Lab Sprinkler

Implementation:	Number:
Date: 2024-09-30 Time: 04:02:00	2024-471
Implemented By: Elena Bylinskaia
In Consultation With:

Status: Removed

Estimated Duration:
3 days

Reason for Defeat:
Devise went into trouble state, given us constant trouble notification.

Number of Yellow Tags:
1

Location of Defeat Tag(s):
n/a

How Was Defeat Implemented?
Where is Defeat Located?:
FAS graphics panel

Describe Alternate Protection:
Fire watch.

Fault Reports:

Work Permits:

Disables:

Interlock Defeat

Removal:	Number:
Date: 2024-10-27 Time: 00:23:00	2024-471
Removed by: Kevin Lucow

Status: Removed

Interlock Verification Method:
Device enabled.

Number of Tags Removed:
1

Comments:

Kevin Lucow: 2024-10-27 00:31:34.639
Device found re-enabled. No mention in elog of when device was re-enabled. Fault 17402 indicates problem may have been resolved. Defeat was implemented to reduce number of nuisance FAS troubles. No concerns with leaving the device enabled.
Sierra Dean: 2024-09-30 11:42:59.216603
Fault report #17402
Elena Bylinskaia: 2024-09-30 04:08:20.096788
FR issued.