Interlock Defeat

System(s) Affected:
Services

Interlock to be Defeated:
AL-ALCW , MM Booster, De-ionizer pumps, D-10, D-2 off

Implementation:	Number:
Date: 2024-05-02 Time: 10:15:00	2024-226
Implemented By: Elena Bylinskaia
In Consultation With:

Status: Removed

Estimated Duration:
3 days

Reason for Defeat:
AL-ALCW system shut off for Lid-Up operation

Number of Yellow Tags:
5

Location of Defeat Tag(s):
SAB3 - D-10, D-2. SAB2 AL-ALCW pump VFD, MM Booster Pump VFD, Toggle switch on De-ionizer MCC

How Was Defeat Implemented?
Where is Defeat Located?:
Al-LCW system shut off, appropriate valves closed.

SAB2, SAB3

Describe Alternate Protection:
Valves mujst be opened for Al-ALCW system start up.

Fault Reports:

Work Permits:

Disables:

Interlock Defeat

Removal:	Number:
Date: 2024-05-02 Time: 16:45:00	2024-226
Removed by: Eric Chapman

Status: Removed

Interlock Verification Method:
System restarted May 2, 2024 with lid up. MM Booster pump remains off. Deionizer pump on.

Number of Tags Removed:
10

Comments:

Riley Schick-Martin: 2024-05-02 16:45:37.247412
D-10 and D-2 valves reopened. Al-ALCW main pump restarted to pressurize the system while the lid is up. MM booster and Deionizer pumps remain off.
Elena Bylinskaia: 2024-05-02 10:13:53.838025
AL-ALCW system shut off for Lid-Up operation.