IR 05000317/2006012
| ML063000299 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 10/27/2006 |
| From: | Collins S Office of Administration |
| To: | Spina J Constellation Generation Group |
| References | |
| EA-06-198 IR-06-012 | |
| Download: ML063000299 (5) | |
Text
ber 27, 2006
SUBJECT:
FINAL SIGNIFICANCE DETERMINATION FOR A WHITE FINDING AND NOTICE OF VIOLATION (NRC Inspection Report Nos. 05000317/2006012 and 05000318/2006012 - Calvert Cliffs Nuclear Power Plant)
Dear Mr. Spina:
The purpose of this letter is to provide you with the final results of our significance determination for the preliminary White finding identified in the subject inspection report issued on September 8, 2006. This self-revealing finding involved inadequate design control during the establishment of the over-current trip setting for an electrical circuit breaker that supplies power to the support systems for the 1A emergency diesel generator (EDG). The low over-current trip setting would have impacted the capability of the 1A EDG to perform its intended safety function during certain design basis events at Calvert Cliffs Unit 1.
In a telephone conversation with Mr. Arthur Burritt of NRC, Region I, on September 20, 2006, Ms. Pat Furio of your staff indicated that Constellation Generation Group did not contest the characterization of the risk significance of this finding and that you declined your opportunity to provide additional information or discuss this issue in a regulatory conference.
After considering the information developed during the inspection, the NRC has concluded that the inspection finding is appropriately characterized as White. You have 10 business days from the date of this letter to appeal the staffs determination of significance for the identified White finding. Such appeals will be considered to have merit only if they meet the criteria given in NRC Inspection Manual Chapter 0609, Supplement 3.
The NRC has also determined that the inadequate design control that resulted in the incorrect over-current trip setting for the 1A EDG support system supply breaker is a violation of NRC requirements specified in 10 CFR Part 50, Appendix B, Criterion III, "Design Control," as cited in the attached Notice of Violation (Notice). The circumstances surrounding the violation are described in detail in the subject inspection report. In accordance with the NRC Enforcement Policy, the Notice of Violation is considered escalated enforcement action because it is associated with a White finding.
You are required to respond to this letter and should follow the instructions specified in the enclosed Notice when preparing your response. The NRC will use your response, in part, to
Mr. James determine whether further enforcement action is necessary to ensure compliance with regulatory requirements. Additionally, this issue causes Calvert Cliffs Unit 1 to be in the regulatory response band of the NRC Action Matrix, and we will notify you, by separate correspondence, of any further action we plan to take.
In accordance with 10 CFR 2.390 of the NRC's "Rules of Practice," a copy of this letter, its enclosure, and your response will be made available electronically for public inspection in the NRC Public Document Room or from the NRCs document system (ADAMS) accessible from the NRC Web site at http://www.nrc.gov/reading-rm/adams.html. To the extent possible, your response should not include any personal privacy, proprietary, or safeguards information so that it can be made available to the Public without redaction. The NRC also includes significant enforcement actions on its Web site at www.nrc.gov; select What We Do, Enforcement, then Significant Enforcement Actions.
Sincerely,
/RA/
Samuel J. Collins Regional Administrator Docket Nos. 50-317 License Nos. DPR-53 Enclosure: Notice of Violation cc w/encl:
M. J. Wallace, President, Constellation Generation J. M. Heffley, Senior Vice President and Chief Nuclear Officer C. W. Fleming, Senior Counsel, Constellation Generation Group, LLC Director, Nuclear Regulatory Matters R. McLean, Manager, Nuclear Programs President, Calvert County Board of Commissioners K. Burger, Esquire, Maryland People's Counsel State of Maryland (2)
Mr. James