05000373/FIN-2010005-03
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Finding | |
|---|---|
| Title | Failure to Perform Adequate Evlauation for Reactor Building Crane Upgrade |
| Description | During an inspection of pre-operational testing activities of an independent spent fuel storage installation (ISFSI) at the LaSalle County Station, the inspectors identified a finding of very low safety significance with an associated NCV of Part 10 of the Code of Federal Regulations (CFR) Part 50, Appendix B, Criterion III, Design Control, for the licensees failure to perform adequate evaluations to upgrade the single failure proof crane. Specifically, the inspectors identified five examples where the licensee failed to perform adequate evaluations in accordance with American Society of Mechanical Engineers (ASME) NOG-1-2004, Rules for Construction of Overhead and Gantry Cranes (Top Running and Bridge, Multiple Girder), requirements. The reactor building crane was designed to meet Seismic Category I requirements, and the licensee used compliance with ASME NOG-1-2004 as the design basis for their crane upgrade to a single failure proof crane. The inspectors determined that the failure to perform adequate evaluations was contrary to ASME NOG-1-2004 requirements and was a performance deficiency. The licensee documented the conditions in Issue Report (IR) 957014, IR 1093028, and IR 1098435 and initiated actions for calculation revisions and field modifications. The finding was of more than minor significance because it was associated with the Initiating Events Cornerstone attribute of Equipment Performance and affected the cornerstone objective of limiting the likelihood of events that upset plant stability and challenge critical safety functions during shutdown as well as power operations. Specifically, the failure to perform adequate evaluations affected the licensees ability to provide reasonable assurance that loads would not be dropped during critical lifts. The inspectors evaluated the finding using IMC 0609.04, Phase 1 - Initial Screening and Characterization of Findings, and based on a No answer to all of the questions in the Initiating Events column of Table 4a, determined the finding to be of very low safety significance (Green). This finding has a cross-cutting aspect in the area of Human Performance, Work Practices because the licensee did not ensure supervisory and management oversight of work activities, including contractors, such that nuclear safety is supported (IMC 0310, H.4(c)). |
| Site: | LaSalle  |
|---|---|
| Report | IR 05000373/2010005 Section 4OA5 |
| Date counted | Dec 31, 2010 (2010Q4) |
| Type: | NCV: Green |
| cornerstone | Initiating Events |
| Identified by: | NRC identified |
| Inspection Procedure: | |
| Inspectors (proximate) | G Roach N Shah R Jickling F Ramirez K Riemer B Palagi C Moore J Neurauter J Yesinowski V Meghani R Temps M Learn R Edwards S Bakhsh C Lipa |
| CCA | H.2, Field Presence |
| INPO aspect | LA.2 |
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Finding - LaSalle - IR 05000373/2010005 | |||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (LaSalle) @ 2010Q4
Self-Identified List (LaSalle)
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