GNRO-2014/00084, Clarification of Entergy'S Commitment to the Guidance Contained in NUMARC 93-01 Industry Guideline for Monitoring the Effectiveness of Maintenance at Nuclear Power Plants

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Clarification of Entergy'S Commitment to the Guidance Contained in NUMARC 93-01 Industry Guideline for Monitoring the Effectiveness of Maintenance at Nuclear Power Plants
ML14324A743
Person / Time
Site: Grand Gulf Entergy icon.png
Issue date: 11/19/2014
From: Kevin Mulligan
Entergy Operations
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
GNRO-2014/00084
Download: ML14324A743 (4)


Text

Entergy Operations, Inc.

P. O. Box 756 Port Gibson, MS 39150 Kevin Mulligan Site Vice President Tel. (601) 437-7500 GNRO-2014/00084 November 19,2014 u.s. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC' 20555-0001

SUBJECT:

Clarification of Entergy's commitment to the guidance contained in NUMARC 93~01 "Industry Guideline for Monitoring the Effectiveness of Maintenance at Nuclear Power Plants."

Grand Gulf Nuclear Station, Unit 1 Docket No. 50-416 License No. NPF-29

REFERENCES:

1. Letter: Grand Gulf Nuclear Station Unit 1, Application for Technical Specification Changes; Technical Specification Task Force (TSTF)

Improved Standard Technical Specification Change Traveler, TSTF-423, Technical Specification End States (GNRO-2013/00065)

(ML13316B024)

2. NRC Electronic Letter: Grand Gulf Nuclear Station, Unit 1, Request for Additional Information Regarding Technical Specification Task Force Traveler (TSTF) - 423 (TAC No. MF3175)
3. Letter: Grand Gulf Nuclear Station Unit 1, Request for Additional Information Regarding Request for Adoption of TSTF-423, Revision 1, Change In Technical Specification End States (CE-NPSD-1186)

(GNRO-2014/00067)

4. Letter: Request for Additional Information Regarding Request for Adoption of TSTF-423, Revision 1, Change In Technical Specification End States (CE-NPSD-1186) (GNRO-2014/00079)

Dear Sir or Madam:

In Reference 1 Entergy Operations Inc. (Entergy) submitted a request for an amendment to the Technical Specifications (TS) for the Grand Gulf Nuclear Station (GGNS), Unit 1. In this letter Entergy stated Procedure EN-WM-104, "On Line Risk Assessment," ensures procedural compliance with NUMARC 93-01, "Industry Guideline For Monitoring The Effectiveness Of Maintenance At Nuclear Power Plants" requirements and outlines the implementation structure for 10 CFR 50.65(a)(4) Maintenance Rule programs.

GNRO-2014/00084 Page 2 of 2 In Reference 3 Entergy stated based on reviewed Revision 4a of NUMARC 93-01, Procedure EN-WM-104, Revision 9and Procedure 01-S-18-6, Revision 13, Risk Assessment of Maintenance Activities and found no exceptions to the guidance contained in Revision 4a of NUMARC 93-01.

To clarify the statements made in Reference 1 and Reference 3, Entergy wishes to clearly state that it is committed to guidance contained in NUMARC 93-01, which provides guidance and details on the assessment and management of risk during maintenance.

The attachment to this letter contains the regulatory commitment made by Entergy in this letter.

If you have any questions or require additional information, please contact James Nadeau at 601-437-2103.

I declare under penalty of perjury that the foregoing is true and correct. Executed on the 19th day of November, 2014.

Sincerely,

'~r------------"'"

KJM/ram

Attachment:

Regulatory Commitment cc: with Attachment U.S. Nuclear Regulatory Commission ATTN: Mr. A. Wang, NRR/DORL Mail Stop OWFN/8 G14 '

11555 Rockville Pike Rockville, MD 20852-2378 NRC Senior Resident Inspector Grand Gulf Nuclear Station Port Gibson, MS 39150 U. S. Nuclear Regulatory Commission ATTN: Marc L. Dapas (w/2)

Regional Administrator, Region IV 1600 East Lamar Boulevard Arlington, TX 76011-4511

Attachment to GNRO-2014/00084 Regulatory Commitment

GNRO-2014/00084 Attachment List of Regulatory Commitment The following table identifies the action committed to by Entergy in this document. Any other statements in this submittal are provided for information purposes and are not considered to be regulatory commitment.

Type Check One Scheduled Commitment One- Completion Continuing Time Date Compliance Action Entergy is committed to guidance contained in NUMARC 93-01, which provides guidance and details on the a'ssessment and x 11/8/2013 management of risk during maintenance.