Finding | |
|---|---|
| Title | Failure to Ensure that Thermal Overload Relays are Sized Properly for Throttling Motor Operated Valves |
| Description | The team identified a finding having very-low significance and an associated Non-Cited Violation of Title 10 of the Code of Federal Regulations,Part 50, Appendix B, Criterion III, Design Control.Specifically, Dresden had not verified that thermal overload relays on Unit 3 safety-related motor operated valves 3-1301-3, 3-1501-21A & 21B, 3-1501-18A & 18B, 3-1501-38A & 38B, 3-3-2301-10, 3-1501-3A & 3B, were properly sized to support the design function of repetitive jogging and throttling the valves in response to design basis transients or accidents. |
| Site: | Dresden  |
|---|---|
| Report | IR 05000249/2018012 Section 1R21 |
| Date counted | Mar 31, 2018 (2018Q1) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.21M |
| Inspectors (proximate) | J Benjamin A Dunlop D Betancourt A Dahbur V Petrella G Nicely C Baron M Jeffers |
| Violation of: | 10 CFR 50 Appendix B Criterion III, Design Control |
| INPO aspect | |
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Finding - Dresden - IR 05000249/2018012 | |||||||||||||||||||||
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Finding List (Dresden) @ 2018Q1
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