05000259/FIN-2009007-03
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Finding | |
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| Title | Operator Manual Actions to Isolate Main Steam Safety Relief Valves for a Unit 2 Appendix R Fire Event |
| Description | The team identified a URI related to the concern that the Unit 2 SSIs were different from the Units 1 and 3 SSIs, in that the Unit 2 SSIs did not include OMAs to address closure of an MSRV if the valve were to spuriously open due to a postulated fire. During review/walkdown of selected SSIs, the team noted that the Unit 1 and Unit 3 SSIs included OMAs to direct closure of a spuriously opened MSRV, but the Unit 2 SSIs did not have similar OMAs. The team discussed this inconsistency with licensee personnel who stated that the analyses were different because the vendor who performed the Unit 2 SSA was different from the vendor who performed the SSA for Units 1 and 3. The licensee initiated PER 169487 to evaluate the need for OMAs to isolate an MSRV during a Unit 2 Appendix R fire event. The licensee had hourly roving fire watches in place (which were implemented as additional compensatory measures to address the existing noncompliant OMAs) while this issue was being evaluated. This issue is identified as URI 05000259, 260, 296/2009007-03, Operator Manual Actions to Isolate Main Steam Safety Relief Valves for a Unit 2 Appendix R Fire Event, and is unresolved pending further NRC review of the licensees evaluation during the fall 2009 BFN TFPI |
| Site: | Browns Ferry  |
|---|---|
| Report | IR 05000259/2009007 Section 1R05 |
| Date counted | Jun 30, 2009 (2009Q2) |
| Type: | URI: |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.05 |
| Inspectors (proximate) | G Pick K Miller L Suggs M Thomas P Fillion P Qualls R Neaseb Metzger C Kontz L Suggs M Thomas P Qualls R Neas |
| INPO aspect | |
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Finding - Browns Ferry - IR 05000259/2009007 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Browns Ferry) @ 2009Q2
Self-Identified List (Browns Ferry)
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