ML16271A482: Difference between revisions

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| author name = Taylor N
| author name = Taylor N
| author affiliation = NRC/RGN-IV/DRP/RPB-B
| author affiliation = NRC/RGN-IV/DRP/RPB-B
| addressee name = Heflin A C
| addressee name = Heflin A
| 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:UNITED STATES NUCLEAR REGULATORY COMMISSION REGION IV 1600 E LAMAR BLVD ARLINGTON, TX 76011
{{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION REGION IV 1600 E LAMAR BLVD ARLINGTON, TX 76011-4511 September 27, 2016 EA-16-069 Adam C. Heflin, President and Chief Executive Officer Wolf Creek Nuclear Operating Corporation P.O. Box 411 Burlington, KS 66839
-4511   September 27, 2016 EA-16-069 Adam C. Heflin, President and Chief Executive Officer Wolf Creek Nuclear Operating Corporation P.O. Box 411 Burlington, KS 66839


==SUBJECT:==
==SUBJECT:==
SUMMARY OF REGULATORY CONFERENCE TO DISCUSS SAFETY SIGNIFICANCE OF WOLF CREEK GENERATING STATION EMERGENCY GENERATOR EXCITATION DIODE APPARENT VIOLATION
 
==SUMMARY==
OF REGULATORY CONFERENCE TO DISCUSS SAFETY SIGNIFICANCE OF WOLF CREEK GENERATING STATION EMERGENCY GENERATOR EXCITATION DIODE APPARENT VIOLATION


==Dear Mr. Heflin:==
==Dear Mr. Heflin:==
On September 21, 2016, members of the U.S. Nuclear Regulatory Commission (NRC) staff met with representatives of Wolf Creek Generating Station to discuss an apparent violation related to preventive maintenance activities for the emergency diesel generator excitation system diodes as documented in NRC Inspection Report 05000482/2016008, issued on August 19, 2016, (ML16235A132). The focus of the regulatory conference was a discussion of information important to characterize the safety significance of the finding associated with the preventative maintenance deficiency and differences between the NRC and Wolf Creek Generating Station's probabilistic risk assessment methodologies used to evaluate the deficiency
. In addition, the attendees discussed differences in the characterization of the underlying performance deficiency.
The NRC staff asked questions during this regulatory conference, with some questions requiring additional information that you agreed to provide after the conference was completed.
The NRC will continue to review the information that you provided during the Regulatory Conference and the subsequent information that was requested in order to reach a final significance determination. We will issue a final significance determination letter to you when that review has been completed. This Category 1 public meeting was attended by four members of the public at the Region IV office, as well as members of the public on the teleconference bridge that was provided. A copy of your presentation slides are included as Enclosure 1.
The NRC slides are included as Enclosure 2.


A. Heflin In accordance with 10 CFR 2.390 of the NRC's "Rules of Practice," a copy of this letter and its enclosures will be available electronically for public inspection in the NRC's Public Document Room or from the Publicly Available Records (PARS) component of the NRC's ADAMS.
On September 21, 2016, members of the U.S. Nuclear Regulatory Commission (NRC) staff met with representatives of Wolf Creek Generating Station to discuss an apparent violation related to preventive maintenance activities for the emergency diesel generator excitation system diodes as documented in NRC Inspection Report 05000482/2016008, issued on August 19, 2016, (ML16235A132). The focus of the regulatory conference was a discussion of information important to characterize the safety significance of the finding associated with the preventative maintenance deficiency and differences between the NRC and Wolf Creek Generating Stations probabilistic risk assessment methodologies used to evaluate the deficiency. In addition, the attendees discussed differences in the characterization of the underlying performance deficiency.
ADAMS is accessible from the NRC web site at http://www.nrc.gov/reading
The NRC staff asked questions during this regulatory conference, with some questions requiring additional information that you agreed to provide after the conference was completed. The NRC will continue to review the information that you provided during the Regulatory Conference and the subsequent information that was requested in order to reach a final significance determination. We will issue a final significance determination letter to you when that review has been completed.
-rm/adams.html (The Public Electronic Reading Room).
This Category 1 public meeting was attended by four members of the public at the Region IV office, as well as members of the public on the teleconference bridge that was provided. A copy of your presentation slides are included as Enclosure 1. The NRC slides are included as .
 
A. Heflin                                         In accordance with 10 CFR 2.390 of the NRCs Rules of Practice, a copy of this letter and its enclosures will be available electronically for public inspection in the NRCs Public Document Room or from the Publicly Available Records (PARS) component of the NRCs ADAMS. ADAMS is accessible from the NRC web site at http://www.nrc.gov/reading-rm/adams.html (The Public Electronic Reading Room).
Sincerely,
Sincerely,
/RA/ Nick Taylor, Chief Project Branch B Division of Reactor Projects Docket No.: 50-482 License No.: NPF-42  
                                              /RA/
Nick Taylor, Chief Project Branch B Division of Reactor Projects Docket No.: 50-482 License No.: NPF-42


==Enclosures:==
==Enclosures:==
1.Wolf Creek Generating Station Slides2.NRC SlidesDISTRIBUTION: See Next Page SUNSI ReviewBy: NHT ADAMS Yes   NoPublicly Available Non-Publicly Available Non-Sensitive Sensitive OFFICE DRP/PE/PBB DRP/BC/PBB NAME SJanicki NTaylor SIGNATURE
: 1. Wolf Creek Generating Station Slides
/RA/ /RA/ DATE 9/27/16 9/27/16 ORIGINAL RECORD COPY Letter to Adam C. Heflin from Nick Taylor dated September 27, 2016
: 2. NRC Slides DISTRIBUTION:
See Next Page ADAMS Accession Number: ML16271A482 SUNSI Review            ADAMS              Publicly Available      Non-Sensitive By: NHT                   Yes No          Non-Publicly Available   Sensitive OFFICE         DRP/PE/PBB DRP/BC/PBB NAME           SJanicki   NTaylor SIGNATURE     /RA/       /RA/
DATE           9/27/16   9/27/16 ORIGINAL RECORD COPY
 
Letter to Adam C. Heflin from Nick Taylor dated September 27, 2016


==SUBJECT:==
==SUBJECT:==
SUMMARY OF REGULATORY CONFERENCE TO DISCUSS SAFETY SIGNIFICANCE OF WOLF CREEK GENERATING STATION EMERGENCY GENERATOR EXCITATION DIODE APPARENT VIOLATION Electronic distribution by RIV: RIV Regional Administrator (Kriss.Kennedy
 
@nrc.gov)
==SUMMARY==
RIV Deputy Regional Administrator (Scott.Morris@nrc.gov) DRP Director (Troy.Pruett@nrc.gov)
OF REGULATORY CONFERENCE TO DISCUSS SAFETY SIGNIFICANCE OF WOLF CREEK GENERATING STATION EMERGENCY GENERATOR EXCITATION DIODE APPARENT VIOLATION Electronic distribution by RIV:
RIV Regional Administrator (Kriss.Kennedy @nrc.gov)
RIV Deputy Regional Administrator (Scott.Morris@nrc.gov)
DRP Director (Troy.Pruett@nrc.gov)
DRP Deputy Director (Ryan.Lantz@nrc.gov)
DRP Deputy Director (Ryan.Lantz@nrc.gov)
DRS Director (Anton.Vegel@nrc.gov)
DRS Director (Anton.Vegel@nrc.gov)
Line 62: Line 68:
Regional Counsel (Karla.Fuller@nrc.gov)
Regional Counsel (Karla.Fuller@nrc.gov)
Technical Support Assistant (Loretta.Williams@nrc.gov)
Technical Support Assistant (Loretta.Williams@nrc.gov)
Congressional Affairs Officer (
Congressional Affairs Officer (Jenny.Weil@nrc.gov)
Jenny.Weil@nrc.gov)
RIV Congressional Affairs Officer (Angel.Moreno@nrc.gov)
RIV Congressional Affairs Officer (Angel.Moreno@nrc.gov)
RIV/ETA: OEDO (Jeremy.Bowen@nrc.gov
RIV/ETA: OEDO (Jeremy.Bowen@nrc.gov)
) RIV/ETA: OEDO (Theresa.Clark@nrc.gov
RIV/ETA: OEDO (Theresa.Clark@nrc.gov)
) RIV Senior Enforcement Specialist (John.Kramer@nrc.gov
RIV Senior Enforcement Specialist (John.Kramer@nrc.gov)
)  Electronic Distribution for Wolf Creek Generating Station}}
Electronic Distribution for Wolf Creek Generating Station}}

Latest revision as of 13:49, 30 October 2019

Summary of Regulatory Conference to Discuss Safety Significance of Wolf Creek Generating Station Emergency Generator Excitation Diode Apparent Violation
ML16271A482
Person / Time
Site: Wolf Creek Wolf Creek Nuclear Operating Corporation icon.png
Issue date: 09/27/2016
From: Nick Taylor
NRC/RGN-IV/DRP/RPB-B
To: Heflin A
Wolf Creek
Nick Taylor
References
EA-16-069
Download: ML16271A482 (45)
v • d • e


Text

UNITED STATES NUCLEAR REGULATORY COMMISSION REGION IV 1600 E LAMAR BLVD ARLINGTON, TX 76011-4511 September 27, 2016 EA-16-069 Adam C. Heflin, President and Chief Executive Officer Wolf Creek Nuclear Operating Corporation P.O. Box 411 Burlington, KS 66839

SUBJECT:

SUMMARY

OF REGULATORY CONFERENCE TO DISCUSS SAFETY SIGNIFICANCE OF WOLF CREEK GENERATING STATION EMERGENCY GENERATOR EXCITATION DIODE APPARENT VIOLATION

Dear Mr. Heflin:

On September 21, 2016, members of the U.S. Nuclear Regulatory Commission (NRC) staff met with representatives of Wolf Creek Generating Station to discuss an apparent violation related to preventive maintenance activities for the emergency diesel generator excitation system diodes as documented in NRC Inspection Report 05000482/2016008, issued on August 19, 2016, (ML16235A132). The focus of the regulatory conference was a discussion of information important to characterize the safety significance of the finding associated with the preventative maintenance deficiency and differences between the NRC and Wolf Creek Generating Stations probabilistic risk assessment methodologies used to evaluate the deficiency. In addition, the attendees discussed differences in the characterization of the underlying performance deficiency.

The NRC staff asked questions during this regulatory conference, with some questions requiring additional information that you agreed to provide after the conference was completed. The NRC will continue to review the information that you provided during the Regulatory Conference and the subsequent information that was requested in order to reach a final significance determination. We will issue a final significance determination letter to you when that review has been completed.

This Category 1 public meeting was attended by four members of the public at the Region IV office, as well as members of the public on the teleconference bridge that was provided. A copy of your presentation slides are included as Enclosure 1. The NRC slides are included as .

A. Heflin In accordance with 10 CFR 2.390 of the NRCs Rules of Practice, a copy of this letter and its enclosures will be available electronically for public inspection in the NRCs Public Document Room or from the Publicly Available Records (PARS) component of the NRCs ADAMS. ADAMS is accessible from the NRC web site at http://www.nrc.gov/reading-rm/adams.html (The Public Electronic Reading Room).

Sincerely,

/RA/

Nick Taylor, Chief Project Branch B Division of Reactor Projects Docket No.: 50-482 License No.: NPF-42

Enclosures:

1. Wolf Creek Generating Station Slides
2. NRC Slides DISTRIBUTION:

See Next Page ADAMS Accession Number: ML16271A482 SUNSI Review ADAMS Publicly Available Non-Sensitive By: NHT Yes No Non-Publicly Available Sensitive OFFICE DRP/PE/PBB DRP/BC/PBB NAME SJanicki NTaylor SIGNATURE /RA/ /RA/

DATE 9/27/16 9/27/16 ORIGINAL RECORD COPY

Letter to Adam C. Heflin from Nick Taylor dated September 27, 2016

SUBJECT:

SUMMARY

OF REGULATORY CONFERENCE TO DISCUSS SAFETY SIGNIFICANCE OF WOLF CREEK GENERATING STATION EMERGENCY GENERATOR EXCITATION DIODE APPARENT VIOLATION Electronic distribution by RIV:

RIV Regional Administrator (Kriss.Kennedy @nrc.gov)

RIV Deputy Regional Administrator (Scott.Morris@nrc.gov)

DRP Director (Troy.Pruett@nrc.gov)

DRP Deputy Director (Ryan.Lantz@nrc.gov)

DRS Director (Anton.Vegel@nrc.gov)

DRS Deputy Director (Jeff.Clark@nrc.gov)

WC Senior Resident Inspector (Douglas.Dodson@nrc.gov)

WC Resident Inspector (Fabian.Thomas@nrc.gov)

WC Administrative Assistant (Susan.Galemore@nrc.gov)

Branch Chief, DRP/B (Nick.Taylor@nrc.gov)

Senior Project Engineer, DRP/B (David.Proulx@nrc.gov)

Project Engineer, DRP/B (Steven.Janicki@nrc.gov)

RIV Public Affairs Officer (Victor.Dricks@nrc.gov)

RIV Regional State Liaison Officer (Bill.Maier@nrc.gov)

NRR Acting Project Manager (Fred.Lyon@nrc.gov)

DRS Team Leader IPAT (Thomas.Hipschman@nrc.gov)

ACES (R4Enforcement.Resource@nrc.gov)

RITS Coordinator (Marisa.Herrera@nrc.gov)

Regional Counsel (Karla.Fuller@nrc.gov)

Technical Support Assistant (Loretta.Williams@nrc.gov)

Congressional Affairs Officer (Jenny.Weil@nrc.gov)

RIV Congressional Affairs Officer (Angel.Moreno@nrc.gov)

RIV/ETA: OEDO (Jeremy.Bowen@nrc.gov)

RIV/ETA: OEDO (Theresa.Clark@nrc.gov)

RIV Senior Enforcement Specialist (John.Kramer@nrc.gov)

Electronic Distribution for Wolf Creek Generating Station

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