Interlock Defeat

System(s) Affected:
Safety

Interlock to be Defeated:
I0104 GVB 210 (VIB:024) IN signal pinned.

Implementation:	Number:
Date: 2025-01-10 Time: 09:35:00	2025-22
Implemented By: Kevin Lucow
In Consultation With:

Status: Active

Estimated Duration:
16 weeks

Reason for Defeat:
I0104 GVB 210 (VIB:024) IN signal pinned. Lost communication with VIB:024, which is required to define cyclotron off during ISIS horizontal section rebuild.

Number of Yellow Tags:
2

Location of Defeat Tag(s):
1) DCR defeat board. 2) IBOP cabinet.

How Was Defeat Implemented?
Where is Defeat Located?:
I0104 pinned in IBOP cabinet.

Describe Alternate Protection:
Cyclotron Ignition key disabled: 2025-6.

Fault Reports:

Work Permits:
C2025-01-10-2

Disables:
2025-6

Interlock Defeat

Removal:	Number:
Date: Time:	2025-22
Removed by:

Status: Active

Interlock Verification Method:

Number of Tags Removed:
0

Comments:

Kevin Lucow: 2025-01-10 10:22:40.935521
See disable 2025-23.