Interlock Defeat

System(s) Affected:
Safety

Interlock to be Defeated:
Air Monitors #24, 25, 26 have been un-defeated

Implementation:	Number:
Date: 2024-01-03 Time: 16:30:00	2024-6
Implemented By: Chris Sooley
In Consultation With: Chris Sooley, Chris Sooley

Status: Removed

Estimated Duration:
17 hours

Reason for Defeat:
Air Monitors 24, 25, 26 have been de-pinned in the back of Rack A CSS-RMS interface panel. ATG has had a PLC failure and is requesting DCR Ops to monitor the signals for these air monitors overnight and inform ATG Ops if there are any alarms.

Number of Yellow Tags:
1

Location of Defeat Tag(s):
DCR Rack A CCS-RMS panel, DCR Defeat board

How Was Defeat Implemented?
Where is Defeat Located?:
Defeat pins removed locally in the back of DCR Rack A

Describe Alternate Protection:
DCR Ops will monitor Air Monitors 24, 25, 26 for alarms and inform ATG Ops if there are any alarms.

Fault Reports:

Work Permits:

Disables:

Interlock Defeat

Removal:	Number:
Date: 2024-01-16 Time: 16:15:00	2024-6
Removed by: Jas Uppal

Status: Removed

Interlock Verification Method:
AM #24, 25 ,26 have been pinned. ATG work completed.

Number of Tags Removed:
2

Comments:

Interlock Defeat / Device Disable Management System v1.5 (Driver)

Interlock Defeat

Interlock Defeat

Interlock Defeat / Device Disable
Management System v1.5 (Driver)