Interlock Defeat

System(s) Affected:
Safety

Interlock to be Defeated:
Neutron Monitor #11 Warn limit lowered to 10 uS from 30 uS

Implementation:	Number:
Date: 2020-06-08 Time: 09:30:00	2020-36
Implemented By: Jason Wait
In Consultation With:

Status: Active

Estimated Duration:
104 weeks

Reason for Defeat:
Neutron Monitor #11 warn limit changed from 30 uS to 10 uS until ongoing M9 work is completed, while 1B is planned to receive beam. From paper defeat: "This change makes it safer, no protection is being removed or defeated"

Number of Yellow Tags:
2

Location of Defeat Tag(s):
Tags located: DCR Defeat board, RMS Terminal (Behind Rack A)

How Was Defeat Implemented?
Where is Defeat Located?:
Neutron Monitor #11 warn limit changed in software

Describe Alternate Protection:
No protection or interlock has been removed with this defeat - Neutron Monitor #11 is still a valid protection

Fault Reports:

Work Permits:

Disables:

Interlock Defeat

Removal:	Number:
Date: Time:	2020-36
Removed by:

Status: Active

Interlock Verification Method:

Number of Tags Removed:
0

Comments:

Jason Wait: 2020-11-18 01:02:04.040005
Paper defeat #8754
Requested by J Mildenberger
Implemented by Kyle M
Approved by Kyle M

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

Interlock Defeat

Interlock Defeat

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