Device Disable

Systems(s) Affected:
Optics

Device to be Disabled
EHDT:Q6 Power Supply power cord

Implementation:	Number:
Date: 2021-04-26 Time: 13:30:00	2021-134
Implemented By: Riley Schick-Martin
In Consultation With:

Status:
Active

Est. Duration:
8 weeks

Reason for Disable:
Insufficient beam position protection at EHD:DUMP. Requested by Thomas Planche.

Conditions for Removal:
Better beam position protection implemented.

Number of Red Tags:
2

Location of Disable Tag(s):
Lock at MAC-EHR-039 EHDT:Q6 PS, E-Linac defeat cork board

How was Disable Implemented?
Where is Disable Located?
EHDT:Q6 power supply at MAC-EHR-039 on E-Hall roof locked out at power cord.

Verification Method:
Attempted to turn on power supply, saw that it would not turn on.

Lock ID Number(s):
OPS #104

Fault Reports:

Work Permits:

Defeats:

Device Disable

Removal:	Number:
Date: 2021-04-26 Time: 14:45:00	2021-134
Removed By: Riley Schick-Martin

Status:
Active

Have the Following Conditions for Removal Been Met? No
Better beam position protection implemented.
All associated Work Permits have been returned

Device Functionality Verification Method:

Number of Red Tags Removed:
0

Comments:

Brandon Humphries: 2021-04-26 14:45:30.645043
Paper disable written up at E-LINAC Disable #135.

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

Device Disable

Device Disable

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