05000397/FIN-2010003-01
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Finding | |
|---|---|
| Title | Failure to Translate Appropriate Acceptance Criteria |
| Description | The inspectors reviewed a Green self-revealing noncited violation of 10 CFR Part 50, Appendix B, Criterion V, Instructions, Procedures, and Drawings for Energy Northwests failure to include acceptance criteria appropriate to the circumstances in surveillance testing Procedure TSP-CREFZ801, Control Room Envelope Unfiltered In-leakage Tracer Gas Test, Revision 2. Specifically, Energy Northwest personnel incorrectly documented a design bases unfiltered air in-leakage value as an administrative limit in the surveillance testing procedure. This led to a delay in declaring the control room emergency filtration system inoperable and a delay in the implementation of mitigating actions to protect control room occupants in the event of an accident. The violation has been placed in the licensees corrective action program and corrective actions are being implemented. The performance deficiency is more than minor because it affects the procedure quality attribute of the Barrier Integrity Cornerstone for maintaining the radiological barrier functionality of the control room. This performance deficiency was of very low safety significance (Green) because the finding represented a degradation of only the radiological barrier function provided for the control room. Also, if left uncorrected, incorrectly documenting design bases acceptance criteria could lead to a more significant safety concern. Specifically, incorrectly documenting design bases acceptance criteria could lead personnel to rely on equipment to perform a specified safety function when it is incapable of doing so. This finding has a crosscutting aspect in the area of problem identification and resolution, self and independent assessments, in that the licensee failed to conduct self assessments that are of sufficient depth. Specifically, Energy Northwest focused too narrowly on the affect of licensing changes, in a 2007 self assessment, on the licensing organization instead of the impact of licensing changes to the organization as a whole |
| Site: | Columbia  |
|---|---|
| Report | IR 05000397/2010003 Section 1R15 |
| Date counted | Jun 30, 2010 (2010Q2) |
| Type: | NCV: Green |
| cornerstone | Barrier Integrity |
| Identified by: | Self-revealing |
| Inspection Procedure: | IP 71111.15 |
| Inspectors (proximate) | P Elkmann R Cohen W Walker M Hayes |
| CCA | P.6, Self-Assessment |
| INPO aspect | CL.2 |
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Finding - Columbia - IR 05000397/2010003 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Columbia) @ 2010Q2
Self-Identified List (Columbia)
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