Interlock Defeat

System(s) Affected:
Services

Interlock to be Defeated:
Al-ALCW Heat Exchangers Valves H-18 closed and D-17 throttled

Implementation:	Number:
Date: 2024-09-25 Time: 09:00:00	2024-467
Implemented By: Ryan Anderson
In Consultation With:

Status: Removed

Estimated Duration:
10 hours

Reason for Defeat:
MM power supply off for UCN testing

Number of Yellow Tags:
3

Location of Defeat Tag(s):
On Heat exchanger valves on SAB3

DCR defeat board

How Was Defeat Implemented?
Where is Defeat Located?:
SAB3 Pump Room. Al-ALCW Heat Exchanger Valves H-18 closed and D-17 throttled.

Describe Alternate Protection:
Cooling present at reduced rate.

Fault Reports:

Work Permits:
C2024-09-25-3

Disables:

Status: Removed

Interlock Verification Method:
Heat exchanger valves fully opened.

Number of Tags Removed:
3

Comments: