05000272/FIN-2008003-01: Difference between revisions

Finding

Title

Salen Unit 2 Loss of All Three Chillers

Description

A self-revealing non-cited violation of Technical Specification (TS) 6.8.1.a, Procedures and Programs, was identified because PSEG did not maintain adequate control of the system configuration for the Unit 2 chill water system during maintenance on the 21 chiller. Specifically, on May 27, 2008, all three Unit 2 chill water system chillers tripped due to an error in the safety tagging sequence specified by the work control documents for maintenance on the 21 chiller. This finding is more than minor because it is associated with the configuration control attribute of the Initiating Events cornerstone, and it adversely affected the cornerstone objective to limit the likelihood of those events that upset plant stability and challenge critical safety functions during shutdown as well as power operations. Specifically, unavailability of all three chillers increased the likelihood of a loss of control air that could result in a complicated plant trip. Per Inspection Manual Chapter (IMC) 0609, Attachment 0609.04, initial screening and characterization of findings, the inspectors conducted a Phase 1 analysis and determined that this finding required a Phase 2 analysis because the finding contributed to both the likelihood of a reactor trip and the likelihood that mitigation equipment or functions will not be available. The inspector determined that the finding was of very low safety significance (Green) using the Salem plant specific Phase 2 pre-solved worksheets in accordance with IMC 0609, Appendix A, Determining the Significance of Reactor Inspection Findings for At-Power Situations. This finding has a cross-cutting aspect in the area of human performance because PSEG personnel did not follow procedures H.4(b). Specifically, revisions to the work control document for tagging the 21 chiller did not comply with the requirements of PSEG procedure SH.OP-AP.ZZ-0051, Safety Tagging Operations. (Section 1R13

01
Site:	Salem
Report	IR 05000272/2008003 Section 1R13
Date counted	Jun 30, 2008 (2008Q2)
Type:	NCV: Green
cornerstone	Initiating Events
Identified by:	Self-revealing
Inspection Procedure:	IP 71111.13
Inspectors (proximate)	J Furia A Ziedonis J Daniel Orrh Balian A Burritt D Everhart P Kaufman T O'Hara D Schroeder
CCA	H.8, Procedure Adherence
INPO aspect	WP.4
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v • d • e

Finding - Salem - IR 05000272/2008003

1(0)2(4)3(4)4(0)5(5)6(0)7(4)8(0)9(0)201(0)301(0)402(0)403(0)404(0)502(0)10(0)

IR 05000272/2008003: 1 2 3 4

Finding List (Salem) @ 2008Q2

CCA Matrix: 2008Q2

	Q	CCA	Title
05000272/FIN-2008002-01	2008Q1	P.5 P.2(b)	25SW24 Failure Caused 25 Service Water Pump Unavailability (Section 1R12)
05000272/FIN-2008002-02	2008Q1	H.11 H.12	Salem Unit 2 Loss of All Three Chillers (Section 1R15)
05000272/FIN-2008003-04	2008Q2		Salem Unit 2 Steam Flow Feed Flow Mismatch
05000272/FIN-2008003-02	2008Q2	H.4 H.5	Salem Unit 2 Loss of Reactor Vessel Level Indication System
05000272/FIN-2008003-01	2008Q2	H.8	Salen Unit 2 Loss of All Three Chillers
05000272/FIN-2008003-03	2008Q2	H.7	Salem Unit 2 22 Cfcu Valves Mispositioned

Self-Identified List (Salem)

	Q	Title
05000272/FIN-2008002-03	2008Q1	Licensee-Identified Violation
05000272/FIN-2008002-04	2008Q1	Licensee-Identified Violation

[Salem Findings full list]

@@ Line 1: / Line 1: @@
 {{finding
 | title = Salen Unit 2 Loss of All Three Chillers
 | docket = 05000272, 05000311
 | inspection report = IR 05000272/2008003

05000272/FIN-2008003-01: Difference between revisions

Latest revision as of 22:04, 29 May 2018

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05000272/FIN-2008003-01: Difference between revisions

Latest revision as of 22:04, 29 May 2018

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