Device Disable

Systems(s) Affected:
Vacuum

Device to be Disabled
ELNS SV01

Implementation:	Number:
Date: 2023-07-27 Time: 14:30:00	2023-423
Implemented By: David Bandiera
In Consultation With:

Status:
Removed

Est. Duration:
1 weeks

Reason for Disable:
Nitrogen valve inspection during E-Linac shutdown

Conditions for Removal:
Work completed as per work permit.

Number of Red Tags:
2

Location of Disable Tag(s):
1) E-Linac Defeats Board in DCR

2) ELNS:SV01 on Lockout Box

How was Disable Implemented?
Where is Disable Located?
Valve closed and locked out.

Verification Method:
Attempted to open ELNS:SV01 and valve will not open

Lock ID Number(s):
E30

Fault Reports:

Work Permits:
A2023-07-27-1

Defeats:

Status:
Removed

Have the Following Conditions for Removal Been Met? Yes
Work completed as per work permit.
All associated Work Permits have been returned

Device Functionality Verification Method:
Lockout removed by Johnson Cheung, work complete per A2023-07-27-1.

Number of Red Tags Removed:
2

Comments:

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