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: 2024-09-17 Time: 06:06:00	2024-459
Implemented By: Ryan Anderson
In Consultation With: David Bandiera

Status: Removed

Estimated Duration:
10 hours

Reason for Defeat:
MM power supply off.

Number of Yellow Tags:
3

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

On 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:

Disables:

Status: Removed

Interlock Verification Method:
Both heat exchanger valves fully opened.

Number of Tags Removed:
3

Comments: