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| | number = ML12265A310 | | | number = ML12265A310 |
| | issue date = 09/21/2012 | | | issue date = 09/21/2012 |
| | title = EA-12-152, Wolf Creek Generating Station, Final Significance Determination Of Yellow Finding And Notice Of Violation, NRC Inspection Report 05000482/2012010 | | | title = EA-12-152, Wolf Creek Generating Station, Final Significance Determination of Yellow Finding and Notice of Violation, NRC Inspection Report 05000482/2012010 |
| | author name = Collins E E | | | author name = Collins E |
| | author affiliation = NRC/RGN-IV/ORA | | | author affiliation = NRC/RGN-IV/ORA |
| | addressee name = Sunseri M W | | | addressee name = Sunseri M |
| | addressee affiliation = Wolf Creek Nuclear Operating Corp | | | addressee affiliation = Wolf Creek Nuclear Operating Corp |
| | docket = 05000482 | | | docket = 05000482 |
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| =Text= | | =Text= |
| {{#Wiki_filter: September 21,2012 Wolf Creek Nuclear Operating Corporation P.O. Box411 Burlington, KS 66839 | | {{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION |
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| SUBJECT: WOLF CREEK GENERATING STATION -FINAL SIGNIFICANCE DETERMINATION OF YELLOW FINDING AND NOTICE OF VIOLATION, NRC INSPECTION REPORT 05000482/2012010 | | ==REGION IV== |
| | 1600 EAST LAMAR BLVD |
| | ==SUBJECT:== |
| | WOLF CREEK GENERATING STATION - FINAL SIGNIFICANCE DETERMINATION OF YELLOW FINDING AND NOTICE OF VIOLATION, NRC INSPECTION REPORT 05000482/2012010 |
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| ==Dear Mr. Sunseri:== | | ==Dear Mr. Sunseri:== |
| This letter provides you the final significance determination of the preliminary Yellow finding discussed in our previous communication dated August 6, 2012, which included NRC Inspection Report 0500048212012009. The finding involved your staffs failure to provide adequate oversight of contractors while they performed work that could affect safety* related equipment in April 2011. As a result, your staff failed to identify that electrical maintenance contractors had not installed insulating sleeves on wires that affected the differential current protection circuit, contrary to work order instructions. This allowed an electrical short to prevent transfer of power to the startup transformer during a plant trip. In a telephone conversation with Mr. Neil O'Keefe of NRC, Region IV, on August 15, 2012, Mr. Russell Smith of your staff indicated that Wolf Creek Nuclear Operating Corporation accepted the characterization of the risk significance of this finding, and that you declined your opportunity to discuss this issue in a Regulatory Conference or to provide a written response. After considering the information developed during the inspection, the NRC has concluded that the finding is appropriately characterized as Yellow, a finding with substantial safety significance. According to NRC Inspection Manual Chapter 0609, appeal rights apply only to those licensees that have either attended a regulatory conference or submitted a written response to the preliminary determination letter. The NRC has also determined that failure to provide adequate oversight of contractors while they performed work that could affect safety*related equipment in April 2011 is a violation of Wolf Creek Generating Station's Technical Specification 5.4.1 (a), as cited in the enclosed September 21,2012 Wolf Creek Nuclear Operating Corporation P.O. Box411 Burlington, KS 66839 SUBJECT: WOLF CREEK GENERATING STATION -FINAL SIGNIFICANCE DETERMINATION OF YELLOW FINDING AND NOTICE OF VIOLATION, NRC INSPECTION REPORT 05000482/2012010 | | This letter provides you the final significance determination of the preliminary Yellow finding discussed in our previous communication dated August 6, 2012, which included NRC Inspection Report 0500048212012009. The finding involved your staffs failure to provide adequate oversight of contractors while they performed work that could affect safety* related equipment in April 2011. As a result , your staff failed to identify that electrical maintenance contractors had not installed insulating sleeves on wires that affected the differential current protection circuit , |
| | contrary to work order instructions. This allowed an electrical short to prevent transfer of power to the startup transformer during a plant trip. |
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| ==Dear Mr. Sunseri:==
| | In a telephone conversation with Mr. Neil O'Keefe of NRC, Region IV, on August 15, 2012, Mr. Russell Smith of your staff indicated that Wolf Creek Nuclear Operating Corporation accepted the characterization of the risk significance of this finding , and that you declined your opportunity to discuss this issue in a Regulatory Conference or to provide a written response. |
| This letter provides you the final significance determination of the preliminary Yellow finding discussed in our previous communication dated August 6, 2012, which included NRC Inspection Report 0500048212012009. The finding involved your staffs failure to provide adequate oversight of contractors while they performed work that could affect safety* related equipment in April 2011. As a result, your staff failed to identify that electrical maintenance contractors had not installed insulating sleeves on wires that affected the differential current protection circuit, contrary to work order instructions. This allowed an electrical short to prevent transfer of power to the startup transformer during a plant trip. In a telephone conversation with Mr. Neil O'Keefe of NRC, Region IV, on August 15, 2012, Mr. Russell Smith of your staff indicated that Wolf Creek Nuclear Operating Corporation accepted the characterization of the risk significance of this finding, and that you declined your opportunity to discuss this issue in a Regulatory Conference or to provide a written response. After considering the information developed during the inspection, the NRC has concluded that the finding is appropriately characterized as Yellow, a finding with substantial safety significance. According to NRC Inspection Manual Chapter 0609, appeal rights apply only to those licensees that have either attended a regulatory conference or submitted a written response to the preliminary determination letter. The NRC has also determined that failure to provide adequate oversight of contractors while they performed work that could affect safety*related equipment in April 2011 is a violation of Wolf Creek Generating Station's Technical Specification 5.4.1 (a), as cited in the enclosed Matthew Notice of Violation (Notice). The circumstances surrounding the violation were described in detail in the subject inspection report. In accordance with the NRC Enforcement Policy, the Notice is considered escalated enforcement action because it is associated with a Yellow finding. You are required to respond to this letter and should follow the instructions specified in the enclosed Notice when preparing your response. If you have additional information that you believe the NRC should consider, you may provide it in your response to the Notice. The NRC review of your response to the Notice will also determine whether further enforcement action is necessary to ensure compliance with regulatory requirements. Because plant performance for this issue has been determined to be beyond the licensee response band, we will use the NRC's Action Matrix to determine the most appropriate NRC response for this event. We will notify you, by separate correspondence, of that determination. 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 NRC's document system (ADAMS), accessible from the NRC Web site at http://www.nrc.gov/readinq-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. Docket: 50-482 License: NPF-42
| | |
| | After considering the information developed during the inspection, the NRC has concluded that the finding is appropriately characterized as Yellow, a finding with substantial safety significance. |
| | |
| | According to NRC Inspection Manual Chapter 0609, appeal rights apply only to those licensees that have either attended a regulatory conference or submitted a written response to the preliminary determination letter. |
| | |
| | The NRC has also determined that failure to provide adequate oversight of contractors while they performed work that could affect safety*related equipment in April 2011 is a violation of Wolf Creek Generating Station's Technical Specification 5.4.1(a), as cited in the enclosed |
| | |
| | Matthew Notice of Violation (Notice). The circumstances surrounding the violation were described in detail in the subject inspection report. In accordance with the NRC Enforcement Policy, the Notice is considered escalated enforcement action because it is associated with a Yellow finding . |
| | You are required to respond to this letter and should follow the instructions specified in the enclosed Notice when preparing your response . If you have additional information that you believe the NRC should consider, you may provide it in your response to the Notice. The NRC review of your response to the Notice will also determine whether further enforcement action is necessary to ensure compliance with regulatory requirements. |
| | |
| | Because plant performance for this issue has been determined to be beyond the licensee response band, we will use the NRC's Action Matrix to determine the most appropriate NRC response for this event. We will notify you, by separate correspondence, of that determination. |
| | |
| | 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 NRC's document system (ADAMS) , accessible from the NRC Web site at http://www.nrc.gov/readinq-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 . |
| | Elmo E. Collin s Regional Administrator Docket: 50-482 License: NPF-42 Enclosure: Notice of Violation cc w/encl: Electronic Distribution |
| | |
| | NOTICE OF VIOLATION Wolf Creek Nuclear Operating Corporation Docket: 50-482 Wolf Creek Generating Station License : NPF-42 EA-12-152 During an NRC inspection conducted from May 21 to August 6 , 2012 , one violation of NRC requirements was identified. In accordance with the NRC Enforcement Policy, the violation is listed below: |
| | Technical Specification 5.4.1(a), uProcedures," requires that written procedures be established , implemented, and maintained covering the applicable procedures recommended in Regulatory Guide 1.33 , Revision 2, Appendix A , February 1978. |
| | |
| | Regulatory Guide 1.33 , uQuality Assurance Program Requirements ,n Appendix A , |
| | Section 9.a, specifies maintenance that can affect the performance of safety-related equipment should be properly pre-planned and performed in accordance with written procedures, documented instructions, or drawings appropriate to the circumstances. |
| | |
| | Work Order 11-240360-006, Revision 3, required installation of insulation sleeves over each wire splice on current transformer wires in the startup transformer B phase protective relay circuit, as part of the implementation of the external wiring connection procedure. |
| | |
| | Contrary to the above , between April 16 and 27 , 2011 , maintenance that affected safety-related equipment was not implemented in accordance with written procedures . |
| | Specifically , the electrical penetration sea l and wiring assembly associated with the H1JCT4 and H2JCT5 current transformers installed in the startup transformer B phase protective relay circuit (XMR01) were replaced without insulating two of the splices , as required by Work Order 11-240360-006, Revision 3 . On January 13, 2012, the startup transfonner experienced a trip and lockout during a plant trip because the two un insulated wires touched and provided a false high phase differential Signal to the protective relaying circuit. The protective lockout caused a prolonged loss of offsite power to all Train B equipment and all non-safety related buses. |
| | |
| | This violation is associated with a Yellow significance determination process finding . |
| | Pursuant to the provisions of 10 CFR 2.201 , Wolf Creek Nuclear Operating Corporation is hereby required to submit a written statement or explanation to the U.S. Nuclear Regulatory Commission, A TIN : Document Control Desk, Washington, DC 20555-0001 with a copy to the Regional Administrator, Region IV, and a copy to the NRC Resident Inspector at the Wolf Creek Generating Station , within 30 days of the date of the letter transmitting this Notice of Violation. |
| | |
| | This reply should be clearly marked as a "Reply to a Notice of Violation; EA-12-1 52" and should include: (1) the reason for the violation , or, if contested , the basis for disputing the violation , |
| | (2) the corrective steps that have been taken and the results achieved, (3) the corrective steps that will be taken, and (4) the date when full compliance will be achieved. |
| | |
| | -1- Enclosure |
| | |
| | Your response may reference or include previous docketed correspondence , if the correspondence adequately addresses the required response. If an adequate reply is not received within the time specified in this Notice, an order or a Demand for Information may be issued as to why the license should not be modified, suspended , or revoked, or why such other action as may be proper should not be taken. Where good cause is shown , consideration will be given to extending the response time. |
| | |
| | If you contest this enforcement action , you should also provide a copy of your response, with the basis for your denial, to the Director, Office of Enforcement, United States Nuclear Regulatory Commission, Wash ington, DC 20555-0001 . |
| | Because your response will be made available electronically for public inspection in the NRC Public Document Room orfrom the NRC 's document system (ADAMS) , accessible from the NRC Website at www.nrc.gov/reading-rm/adams.html . to the extent possible, it should not include any personal privacy, proprietary, or safeguards information so that it can be made available to the public without redaction. |
|
| |
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| ===Enclosure:===
| | If personal privacy or proprietary information is necessary to provide an acceptable response, then please provide a bracketed copy of your response that identifies the information that should be protected and a redacted copy of your response that deletes such information. If you request withholding of such material, you must specifically identify the portions of your response that you seek to have withheld and provide in detail the bases for your claim of withholding (e.g. , |
| Notice of Violation cc w/encl: Electronic Distribution Elmo E. Collins Regional Administrator Matthew Notice of Violation (Notice). The circumstances surrounding the violation were described in detail in the subject inspection report. In accordance with the NRC Enforcement Policy, the Notice is considered escalated enforcement action because it is associated with a Yellow finding. You are required to respond to this letter and should follow the instructions specified in the enclosed Notice when preparing your response. If you have additional information that you believe the NRC should consider, you may provide it in your response to the Notice. The NRC review of your response to the Notice will also determine whether further enforcement action is necessary to ensure compliance with regulatory requirements. Because plant performance for this issue has been determined to be beyond the licensee response band, we will use the NRC's Action Matrix to determine the most appropriate NRC response for this event. We will notify you, by separate correspondence, of that determination. 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 NRC's document system (ADAMS), accessible from the NRC Web site at http://www.nrc.gov/readinq-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. Docket: 50-482 License: NPF-42
| | explain why the disclosure of information will create an unwarranted invasion of personal privacy or provide the information required by 10 CFR 2.390(b) to support a request for withholding confidential commercial or financial information). If safeguards information is necessary to provide an acceptable response , please provide the level of protection described in 10 CFR 73.21 . |
| | In accordance with 10 CFR 19.11 , you may be required to post this Notice within 2 working days of receipt. |
|
| |
|
| ===Enclosure:===
| | Dated this 21st day of August 2012-2- Enclosure |
| Notice of Violation cc w/encl: Electronic Distribution Elmo E. Collins Regional Administrator NOTICE OF VIOLATION Wolf Creek Nuclear Operating Corporation Wolf Creek Generating Station Docket: 50-482 License: NPF-42 EA-12-152 During an NRC inspection conducted from May 21 to August 6,2012, one violation of NRC requirements was identified. In accordance with the NRC Enforcement Policy, the violation is listed below: Technical Specification 5.4.1(a), uProcedures," requires that written procedures be established, implemented, and maintained covering the applicable procedures recommended in Regulatory Guide 1.33, Revision 2, Appendix A, February 1978. Regulatory Guide 1.33, uQuality Assurance Program Requirements,n Appendix A, Section 9.a, specifies maintenance that can affect the performance of safety-related equipment should be properly pre-planned and performed in accordance with written procedures, documented instructions, or drawings appropriate to the circumstances. Work Order 11-240360-006, Revision 3, required installation of insulation sleeves over each wire splice on current transformer wires in the startup transformer B phase protective relay circuit, as part of the implementation of the external wiring connection procedure. Contrary to the above, between April 16 and 27, 2011, maintenance that affected related equipment was not implemented in accordance with written procedures. Specifically, the electrical penetration seal and wiring assembly associated with the H1JCT4 and H2JCT5 current transformers installed in the startup transformer B phase protective relay circuit (XMR01) were replaced without insulating two of the splices, as required by Work Order 11-240360-006, Revision 3. On January 13, 2012, the startup transfonner experienced a trip and lockout during a plant trip because the two un insulated wires touched and provided a false high phase differential Signal to the protective relaying circuit. The protective lockout caused a prolonged loss of offsite power to all Train B equipment and all non-safety related buses. This violation is associated with a Yellow significance determination process finding. Pursuant to the provisions of 10 CFR 2.201, Wolf Creek Nuclear Operating Corporation is hereby required to submit a written statement or explanation to the U.S. Nuclear Regulatory Commission, A TIN: Document Control Desk, Washington, DC 20555-0001 with a copy to the Regional Administrator, Region IV, and a copy to the NRC Resident Inspector at the Wolf Creek Generating Station, within 30 days of the date of the letter transmitting this Notice of Violation. This reply should be clearly marked as a "Reply to a Notice of Violation; EA-12-152" and should include: (1) the reason for the violation, or, if contested, the basis for disputing the violation, (2) the corrective steps that have been taken and the results achieved, (3) the corrective steps that will be taken, and (4) the date when full compliance will be achieved. -1-Enclosure NOTICE OF VIOLATION Wolf Creek Nuclear Operating Corporation Wolf Creek Generating Station Docket: 50-482 License: NPF-42 EA-12-152 During an NRC inspection conducted from May 21 to August 6,2012, one violation of NRC requirements was identified. In accordance with the NRC Enforcement Policy, the violation is listed below: Technical Specification 5.4.1(a), uProcedures," requires that written procedures be established, implemented, and maintained covering the applicable procedures recommended in Regulatory Guide 1.33, Revision 2, Appendix A, February 1978. Regulatory Guide 1.33, uQuality Assurance Program Requirements,n Appendix A, Section 9.a, specifies maintenance that can affect the performance of safety-related equipment should be properly pre-planned and performed in accordance with written procedures, documented instructions, or drawings appropriate to the circumstances. Work Order 11-240360-006, Revision 3, required installation of insulation sleeves over each wire splice on current transformer wires in the startup transformer B phase protective relay circuit, as part of the implementation of the external wiring connection procedure. Contrary to the above, between April 16 and 27, 2011, maintenance that affected related equipment was not implemented in accordance with written procedures. Specifically, the electrical penetration seal and wiring assembly associated with the H1JCT4 and H2JCT5 current transformers installed in the startup transformer B phase protective relay circuit (XMR01) were replaced without insulating two of the splices, as required by Work Order 11-240360-006, Revision 3. On January 13, 2012, the startup transfonner experienced a trip and lockout during a plant trip because the two un insulated wires touched and provided a false high phase differential Signal to the protective relaying circuit. The protective lockout caused a prolonged loss of offsite power to all Train B equipment and all non-safety related buses. This violation is associated with a Yellow significance determination process finding. Pursuant to the provisions of 10 CFR 2.201, Wolf Creek Nuclear Operating Corporation is hereby required to submit a written statement or explanation to the U.S. Nuclear Regulatory Commission, A TIN: Document Control Desk, Washington, DC 20555-0001 with a copy to the Regional Administrator, Region IV, and a copy to the NRC Resident Inspector at the Wolf Creek Generating Station, within 30 days of the date of the letter transmitting this Notice of Violation. This reply should be clearly marked as a "Reply to a Notice of Violation; EA-12-152" and should include: (1) the reason for the violation, or, if contested, the basis for disputing the violation, (2) the corrective steps that have been taken and the results achieved, (3) the corrective steps that will be taken, and (4) the date when full compliance will be achieved. -1-Enclosure Your response may reference or include previous docketed correspondence, if the correspondence adequately addresses the required response. If an adequate reply is not received within the time specified in this Notice, an order or a Demand for Information may be issued as to why the license should not be modified, suspended, or revoked, or why such other action as may be proper should not be taken. Where good cause is shown, consideration will be given to extending the response time. If you contest this enforcement action, you should also provide a copy of your response, with the basis for your denial, to the Director, Office of Enforcement, United States Nuclear Regulatory Commission, Washington, DC 20555-0001. Because your response will be made available electronically for public inspection in the NRC Public Document Room orfrom the NRC's document system (ADAMS), accessible from the NRC Website at www.nrc.gov/reading-rm/adams.html. to the extent possible, it should not include any personal privacy, proprietary, or safeguards information so that it can be made available to the public without redaction. If personal privacy or proprietary information is necessary to provide an acceptable response, then please provide a bracketed copy of your response that identifies the information that should be protected and a redacted copy of your response that deletes such information. If you request withholding of such material, you must specifically identify the portions of your response that you seek to have withheld and provide in detail the bases for your claim of withholding (e.g., explain why the disclosure of information will create an unwarranted invasion of personal privacy or provide the information required by 10 CFR 2.390(b) to support a request for withholding confidential commercial or financial information). If safeguards information is necessary to provide an acceptable response, please provide the level of protection described in 10 CFR 73.21. In accordance with 10 CFR 19.11, you may be required to post this Notice within 2 working days of receipt. Dated this 21st day of August 2012 -2-Enclosure Your response may reference or include previous docketed correspondence, if the correspondence adequately addresses the required response. If an adequate reply is not received within the time specified in this Notice, an order or a Demand for Information may be issued as to why the license should not be modified, suspended, or revoked, or why such other action as may be proper should not be taken. Where good cause is shown, consideration will be given to extending the response time. If you contest this enforcement action, you should also provide a copy of your response, with the basis for your denial, to the Director, Office of Enforcement, United States Nuclear Regulatory Commission, Washington, DC 20555-0001. Because your response will be made available electronically for public inspection in the NRC Public Document Room orfrom the NRC's document system (ADAMS), accessible from the NRC Website at www.nrc.gov/reading-rm/adams.html. to the extent possible, it should not include any personal privacy, proprietary, or safeguards information so that it can be made available to the public without redaction. If personal privacy or proprietary information is necessary to provide an acceptable response, then please provide a bracketed copy of your response that identifies the information that should be protected and a redacted copy of your response that deletes such information. If you request withholding of such material, you must specifically identify the portions of your response that you seek to have withheld and provide in detail the bases for your claim of withholding (e.g., explain why the disclosure of information will create an unwarranted invasion of personal privacy or provide the information required by 10 CFR 2.390(b) to support a request for withholding confidential commercial or financial information). If safeguards information is necessary to provide an acceptable response, please provide the level of protection described in 10 CFR 73.21. In accordance with 10 CFR 19.11, you may be required to post this Notice within 2 working days of receipt. Dated this 21st day of August 2012 -2-Enclosure
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[Table view]
Category:Notice of Violation
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NRC Integrated Inspection Report 05000482/2015004 and Notice of Violation
IR 05000482/20150112016-01-27027 January 2016
EA-15-170 - Wolf Creek Generating Station; Notice of Violation; Severity Level III Problem - NRC Inspection Report 05000482/2015011
IR 05000482/20145032014-07-0101 July 2014
EA-14-024 - Wolf Creek Generating Station - Final Significance Determination of White Finding and Notice of Violation; NRC Inspection Report 05000482/2014503
IR 05000482/20120102012-09-21021 September 2012
EA-12-152, Wolf Creek Generating Station, Final Significance Determination of Yellow Finding and Notice of Violation, NRC Inspection Report 05000482/2012010
ML12191A2692012-07-0505 July 2012
IR 05000482-12-006, on May 7, 2012 & May 24, 2012, Wolf Creek Biennial Baseline Inspection of the Identification and Resolution of Problems.
IR 05000482/20110032011-08-12012 August 2011
IR 05000482-11-003 & Notice of Violation, on 04/1/2011 6/30/2011, Wolf Creek Generating Station, Integrated Resident Report, Adverse Weather Protection, Equipment Alignments, Inservice Inspection Activities, Post Maintenance Testing, Event
ML1122402232011-08-12012 August 2011
IR 05000482-11-003 & Notice of Violation, on 04/1/2011 6/30/2011, Wolf Creek Generating Station, Integrated Resident Report, Adverse Weather Protection, Equipment Alignments, Inservice Inspection Activities, Post Maintenance Testing, Event
ML1025602582010-09-13013 September 2010
IR 05000482-10-006; February 16, 2008, Through July 30, 2010: Wolf Creek Generating Station, Biennial Baseline Inspection of the Identification and Resolution of Problems
IR 05000482/20090052010-02-11011 February 2010
IR 05000482-09-005, on 10/01/2009 - 12/31/2009; Wolf Creek Generating Station, Integrated Resident and Regional Report; Fire Protection, Inservice Inspection Activities; Maintenance Risk Assessments and Emergent Work Controls
ML1004307132010-02-11011 February 2010
IR 05000482-09-005, on 10/01/2009 - 12/31/2009; Wolf Creek Generating Station, Integrated Resident and Regional Report; Fire Protection, Inservice Inspection Activities; Maintenance Risk Assessments and Emergent Work Controls
ML0913400612009-05-13013 May 2009
IR 05000482-09-002, on 1/01 - 3/31/2009; Wolf Creek Generating Plant, Integrated Resident and Regional Report; Adverse Weather, Fire Protection, Maintenance Effectiveness, Surveillance Testing, Problem Identification and Resolution, Other A
2016-06-09
[Table view]
Category:Enforcement Action
MONTHYEARML18333A0432018-12-17017 December 2018
EA-18-037, Wolf Creek Nuclear Operating Corporation - Notice of Violation and Proposed Imposition of Civil Penalty - $232,000 (Office of Investigations Report No. 4-2017-020)
IR 05000482/20174052017-03-29029 March 2017
Final Significance Determination for a Security-Related Green Finding; NRC Security Inspection Report 05000482/2017405 (Letter Without Enclosure)
IR 05000482/20120102012-09-21021 September 2012
EA-12-152, Wolf Creek Generating Station, Final Significance Determination of Yellow Finding and Notice of Violation, NRC Inspection Report 05000482/2012010
ML1029404632010-10-21021 October 2010
Response to Notice of Violation and NRC Inspection Report 05000482/2010006, Acknowledgment Letter
2018-12-17
[Table view] |
Text
UNITED STATES NUCLEAR REGULATORY COMMISSION
REGION IV
1600 EAST LAMAR BLVD
SUBJECT:
WOLF CREEK GENERATING STATION - FINAL SIGNIFICANCE DETERMINATION OF YELLOW FINDING AND NOTICE OF VIOLATION, NRC INSPECTION REPORT 05000482/2012010
Dear Mr. Sunseri:
This letter provides you the final significance determination of the preliminary Yellow finding discussed in our previous communication dated August 6, 2012, which included NRC Inspection Report 0500048212012009. The finding involved your staffs failure to provide adequate oversight of contractors while they performed work that could affect safety* related equipment in April 2011. As a result , your staff failed to identify that electrical maintenance contractors had not installed insulating sleeves on wires that affected the differential current protection circuit ,
contrary to work order instructions. This allowed an electrical short to prevent transfer of power to the startup transformer during a plant trip.
In a telephone conversation with Mr. Neil O'Keefe of NRC, Region IV, on August 15, 2012, Mr. Russell Smith of your staff indicated that Wolf Creek Nuclear Operating Corporation accepted the characterization of the risk significance of this finding , and that you declined your opportunity to discuss this issue in a Regulatory Conference or to provide a written response.
After considering the information developed during the inspection, the NRC has concluded that the finding is appropriately characterized as Yellow, a finding with substantial safety significance.
According to NRC Inspection Manual Chapter 0609, appeal rights apply only to those licensees that have either attended a regulatory conference or submitted a written response to the preliminary determination letter.
The NRC has also determined that failure to provide adequate oversight of contractors while they performed work that could affect safety*related equipment in April 2011 is a violation of Wolf Creek Generating Station's Technical Specification 5.4.1(a), as cited in the enclosed
Matthew Notice of Violation (Notice). The circumstances surrounding the violation were described in detail in the subject inspection report. In accordance with the NRC Enforcement Policy, the Notice is considered escalated enforcement action because it is associated with a Yellow finding .
You are required to respond to this letter and should follow the instructions specified in the enclosed Notice when preparing your response . If you have additional information that you believe the NRC should consider, you may provide it in your response to the Notice. The NRC review of your response to the Notice will also determine whether further enforcement action is necessary to ensure compliance with regulatory requirements.
Because plant performance for this issue has been determined to be beyond the licensee response band, we will use the NRC's Action Matrix to determine the most appropriate NRC response for this event. We will notify you, by separate correspondence, of that determination.
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 NRC's document system (ADAMS) , accessible from the NRC Web site at http://www.nrc.gov/readinq-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 .
Elmo E. Collin s Regional Administrator Docket: 50-482 License: NPF-42 Enclosure: Notice of Violation cc w/encl: Electronic Distribution
NOTICE OF VIOLATION Wolf Creek Nuclear Operating Corporation Docket: 50-482 Wolf Creek Generating Station License : NPF-42 EA-12-152 During an NRC inspection conducted from May 21 to August 6 , 2012 , one violation of NRC requirements was identified. In accordance with the NRC Enforcement Policy, the violation is listed below:
Technical Specification 5.4.1(a), uProcedures," requires that written procedures be established , implemented, and maintained covering the applicable procedures recommended in Regulatory Guide 1.33 , Revision 2, Appendix A , February 1978.
Regulatory Guide 1.33 , uQuality Assurance Program Requirements ,n Appendix A ,
Section 9.a, specifies maintenance that can affect the performance of safety-related equipment should be properly pre-planned and performed in accordance with written procedures, documented instructions, or drawings appropriate to the circumstances.
Work Order 11-240360-006, Revision 3, required installation of insulation sleeves over each wire splice on current transformer wires in the startup transformer B phase protective relay circuit, as part of the implementation of the external wiring connection procedure.
Contrary to the above , between April 16 and 27 , 2011 , maintenance that affected safety-related equipment was not implemented in accordance with written procedures .
Specifically , the electrical penetration sea l and wiring assembly associated with the H1JCT4 and H2JCT5 current transformers installed in the startup transformer B phase protective relay circuit (XMR01) were replaced without insulating two of the splices , as required by Work Order 11-240360-006, Revision 3 . On January 13, 2012, the startup transfonner experienced a trip and lockout during a plant trip because the two un insulated wires touched and provided a false high phase differential Signal to the protective relaying circuit. The protective lockout caused a prolonged loss of offsite power to all Train B equipment and all non-safety related buses.
This violation is associated with a Yellow significance determination process finding .
Pursuant to the provisions of 10 CFR 2.201 , Wolf Creek Nuclear Operating Corporation is hereby required to submit a written statement or explanation to the U.S. Nuclear Regulatory Commission, A TIN : Document Control Desk, Washington, DC 20555-0001 with a copy to the Regional Administrator, Region IV, and a copy to the NRC Resident Inspector at the Wolf Creek Generating Station , within 30 days of the date of the letter transmitting this Notice of Violation.
This reply should be clearly marked as a "Reply to a Notice of Violation; EA-12-1 52" and should include: (1) the reason for the violation , or, if contested , the basis for disputing the violation ,
(2) the corrective steps that have been taken and the results achieved, (3) the corrective steps that will be taken, and (4) the date when full compliance will be achieved.
-1- Enclosure
Your response may reference or include previous docketed correspondence , if the correspondence adequately addresses the required response. If an adequate reply is not received within the time specified in this Notice, an order or a Demand for Information may be issued as to why the license should not be modified, suspended , or revoked, or why such other action as may be proper should not be taken. Where good cause is shown , consideration will be given to extending the response time.
If you contest this enforcement action , you should also provide a copy of your response, with the basis for your denial, to the Director, Office of Enforcement, United States Nuclear Regulatory Commission, Wash ington, DC 20555-0001 .
Because your response will be made available electronically for public inspection in the NRC Public Document Room orfrom the NRC 's document system (ADAMS) , accessible from the NRC Website at www.nrc.gov/reading-rm/adams.html . to the extent possible, it should not include any personal privacy, proprietary, or safeguards information so that it can be made available to the public without redaction.
If personal privacy or proprietary information is necessary to provide an acceptable response, then please provide a bracketed copy of your response that identifies the information that should be protected and a redacted copy of your response that deletes such information. If you request withholding of such material, you must specifically identify the portions of your response that you seek to have withheld and provide in detail the bases for your claim of withholding (e.g. ,
explain why the disclosure of information will create an unwarranted invasion of personal privacy or provide the information required by 10 CFR 2.390(b) to support a request for withholding confidential commercial or financial information). If safeguards information is necessary to provide an acceptable response , please provide the level of protection described in 10 CFR 73.21 .
In accordance with 10 CFR 19.11 , you may be required to post this Notice within 2 working days of receipt.
Dated this 21st day of August 2012-2- Enclosure
