Interlock Defeat

System(s) Affected:
Safety

Interlock to be Defeated:
BSM 55 Defeated

Implementation:	Number:
Date: 2024-06-28 Time: 13:56:00	2024-345
Implemented By: Ryan Anderson
In Consultation With:

Status: Removed

Estimated Duration:
6 hours

Reason for Defeat:
BSM 55 defeated for beam development tests along Beamline 1U for June 28. Approved by Roxana by email.

Number of Yellow Tags:
2

Location of Defeat Tag(s):
Back of rack A in DCR

DCR defeat board.

How Was Defeat Implemented?
Where is Defeat Located?:
BSM pinned in back of rack A in DCR.

Describe Alternate Protection:
Other BSMs are still active, and beamline current being watched.

Fault Reports:

Work Permits:

Disables:

Status: Removed

Interlock Verification Method:
BSM 55 unpinned in IBOP cabinet. Trip functionality restored.

Number of Tags Removed:
1

Comments:

Chris Sooley: 2024-06-28 16:12:59.708309
Development shift finished.