Interlock Defeat

System(s) Affected:
Safety

Interlock to be Defeated:
BSM #49, 55 & 56 defeated for UCN commissioning

Implementation:	Number:
Date: 2024-08-01 Time: 07:41:00	2024-387
Implemented By: Ryan Lovelidge
In Consultation With:

Status: Removed

Estimated Duration:
8 hours

Reason for Defeat:
Working trip limit changed to 100 for the above BSMs for 8 hours for UCN commissioning. OK'd by Roxana R. via email.

Number of Yellow Tags:
2

Location of Defeat Tag(s):
1. RMS computer rear of rack A

2. MCR defeats board.

How Was Defeat Implemented?
Where is Defeat Located?:
Working trip limits increased in the RMS computer rear of rack A.

Describe Alternate Protection:
Only UCN BM's affected, low current, OK'd by RPG.

Fault Reports:

Work Permits:

Disables:

Status: Removed

Interlock Verification Method:
BSM trip limits reset back to normal running values. UCN development finished for today.

Number of Tags Removed:
2

Comments: