05000346/FIN-2014003-04
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Finding | |
|---|---|
| Title | Acceptance Criteria for Emergency Core Cooling System Room Cooler Inspection Was Not Specified in Inspection Procedure |
| Description | The inspectors identified a finding of very low safety significance and an associated non-cited violation of 10 CFR Part 50, Appendix B, Criterion V, Instructions, Procedures, and Drawings, for the licensees failure to follow the Generic Letter (GL) 8913 program implementing procedure (NOPER2006) to develop the emergency core cooling system (ECCS) room cooler inspection procedure. Specifically, the inspection procedure for inspecting the ECCS room cooler lacked quantifiable acceptance criteria. This finding was entered into the licensees corrective action program (CAP). The immediate actions taken included a discussion of the finding with engineering staff and GL 8913 program owner and a review of other GL 8913 heat exchanger inspection procedures. The performance deficiency was determined to be more than minor because it was associated with the Mitigating Systems Cornerstone attribute of Procedure Quality and it adversely affected the associated cornerstone objective to ensure the availability, reliability, and capability of the system to respond to initiating events to prevent undesirable consequences. Specifically, the ECCS room cooler inspection procedure failed to ensure the reliability of the heat exchanger because it did not have quantifiable acceptance criteria, as required by the NOPER2006 procedure. Since the finding did not represent a loss of safety function, the inspectors screened the finding as having very low safety significance (Green). The inspectors did not identify a cross-cutting aspect associated with this finding because it did not reflect current performance due to the age of the performance deficiency. |
| Site: | Davis Besse  |
|---|---|
| Report | IR 05000346/2014003 Section 1R07 |
| Date counted | Jun 30, 2014 (2014Q2) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.07 |
| Inspectors (proximate) | L Rodriguez T Briley A Shaikh D Kimble G O'Dwyer J Cameron J Corujo Sandin J Rutkowski |
| Violation of: | 10 CFR 50 Appendix B Criterion V |
| INPO aspect | |
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Finding - Davis Besse - IR 05000346/2014003 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Davis Besse) @ 2014Q2
Self-Identified List (Davis Besse)
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