Interlock Defeat

System(s) Affected:
Fire Alarm System

Interlock to be Defeated:
FAS Zones 3 & 4 in test mode. ISAC 2 Node 6 Bell Circuits disarmed

Implementation:	Number:
Date: 2024-12-04 Time: 08:51:00	2024-537
Implemented By: David Bandiera
In Consultation With:

Status: Removed

Estimated Duration:
5 hours

Reason for Defeat:
Installation of a new Fire Alarm Bell in ISAC-2 Experimental Hall Clean Room. VESDA filter replacement in ARIEL B2 and ISAC-I G. Work to be completed today by Siemens techs.

Number of Yellow Tags:
1

Location of Defeat Tag(s):
N/A

How Was Defeat Implemented?
Where is Defeat Located?:
DCR FAS XL Graphics console

Describe Alternate Protection:
Fire Watch and Occupancy

Fault Reports:

Work Permits:
C2024-12-04-2

Disables:

Interlock Defeat

Removal:	Number:
Date: 2024-12-04 Time: 12:11:00	2024-537
Removed by: David Bandiera

Status: Removed

Interlock Verification Method:
FAS Zones 3 & 4 are online with the monitoring company. ISAC 2 Node 6 Bell Circuits armed.

Number of Tags Removed:
1

Comments: