ML041470021

Request for Additional Information for Review of Arkansas Nuclear One, Unit 2, License Renewal Application - DE Eeib Mcconnell Knox

ML041470021
Person / Time
Site:	Arkansas Nuclear
Issue date:	05/25/2004
From:	Gregory Suber NRC/NRR/DRIP/RLEP
To:	Forbes J Entergy Operations
Suber G, NRR/DRIP/RLEP 301-415-1124
References
TAC MB8402
Download: ML041470021 (7)

Text

May 25, 2004 Mr. Jeff Forbes Vice President, Operations ANO Entergy Operations, Inc.

1448 S. R. 333 Russellville, AR 72801

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION FOR THE REVIEW OF THE ARKANSAS NUCLEAR ONE, UNIT 2, LICENSE RENEWAL APPLICATION (TAC NO. MB8402)

Dear Mr. Forbes:

The U.S. Nuclear Regulatory Commission (NRC) is reviewing a license renewal application (LRA) submitted by Entergy Operators Inc. (Entergy or the applicant) dated October 14, 2003 for the renewal of the operating licenses for Arkansas Nuclear One, Unit 2, pursuant to Title 10 Code of Federal Regulations Part 54 (10 CFR Part 54). The NRC staff has identified, in the enclosure, areas where additional information is needed to complete the review.

Specifically, the enclosed requests for additional information (RAIs) are from Section 2.5 Scoping and Screening Results: Electrical and Instrumentation Controls and Section 3.3 Auxiliary Systems. These RAIs have been discussed with your staff.

Your response to these RAIs is requested within 30 days from receipt of this letter. If you have any questions, please contact me at (301) 415-1124 or e-mail gxs@nrc.gov.

Sincerely,

/RA/

Gregory F. Suber, Project Manager License Renewal Section A License Renewal and Environmental Impacts Program Division of Regulatory Improvement Programs Office of Nuclear Reactor Regulation Docket No.: 50-368

Enclosure:

As stated cc w/encl: See next page

May 25, 2004 Mr. Jeff Forbes Vice President, Operations ANO Entergy Operations, Inc.

1448 S. R. 333 Russellville, AR 72801

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION FOR THE REVIEW OF THE ARKANSAS NUCLEAR ONE, UNIT 2, LICENSE RENEWAL APPLICATION (TAC NO. MB8402)

Dear Mr. Forbes:

The U.S. Nuclear Regulatory Commission (NRC) is reviewing a license renewal application (LRA) submitted by Entergy Operators Inc. (Entergy or the applicant) dated October 14, 2003 for the renewal of the operating licenses for Arkansas Nuclear One, Unit 2, pursuant to Title 10 Code of Federal Regulations Part 54 (10 CFR Part 54). The NRC staff has identified, in the enclosure, areas where additional information is needed to complete the review.

Specifically, the enclosed requests for additional information (RAIs) are from Section 2.5 Scoping and Screening Results: Electrical and Instrumentation Controls and Section 3.3 Auxiliary Systems. These RAIs have been discussed with your staff.

Your response to these RAIs is requested within 30 days from receipt of this letter. If you have any questions, please contact me at (301) 415-1124 or e-mail gxs@nrc.gov.

Sincerely,

/RA/

Gregory F. Suber, Project Manager License Renewal Section A License Renewal and Environmental Impacts Program Division of Regulatory Improvement Programs Office of Nuclear Reactor Regulation Docket No.: 50-368

Enclosure:

As stated cc w/encl: See next page DISTRIBUTION: See next page Accession No: ML041470021 Document Name: C:\\ORPCheckout\\FileNET\\ML041470021.wpd OFFICE:

LA:RLEP PM:RLEP SC:RLEP NAME:

M. Jenkins G. Suber S. Lee DATE:

5/21/04 5/25/04 5/25/04 OFFICIAL RECORD COPY

REQUEST FOR ADDITIONAL INFORMATION OF SCOPING AND SCREENING RESULTS FOR ELECTRICAL AND INSTRUMENTATION CONTROLS ARKANSAS NUCLEAR ONE - UNIT 2 LICENSE RENEWAL APPLICATION (TAC NO. MB8402)

Section 2.5 Electrical and Instrumentation Controls RAI 2.5-1 Section 2.1, Table 2.1-1 of the license renewal application (LRA) indicates that the following components are within the scope of license renewal:

a) Uninsulated ground conductors (e.g., grounding rods, buried ground cables and cathodic protection) b) Phase bus[es] (e.g., isolated-phase bus, segregated and non-segregated phase bus) c) Transmission conductors d) Electrical portions of electrical and I&C penetration assemblies (e.g., electrical penetration assembly cables and connections)

However, per Table 3.6.2-1, no aging effect and no aging management program is identified for these components. Please provide a detailed description as to why an aging management review (AMR) is not required.

RAI 2.5-2 Interim Staff Guidance-2 (ISG-2), NRC Staff Position on the License Renewal Rule (10 CFR 54.4) as it relates to the Station Blackout Rule (10 CFR 50.63), states, in part, that The offsite power systems of U.S. nuclear power plants consist of a transmission system (grid) component that provides a source of power and a plant system component that connects that power source to a plants onsite electrical distribution system which powers safety equipment.

For the purpose of the license renewal rule, the staff has determined that the plant system portion of the offsite power system that is used to connect the plant to the offsite power source should be included within the scope of the rule. Provide a detailed description (including a one-line drawing showing the path of recovery) of Arkansas Nuclear One, Unit 2's recovery path and discuss how the recovery path is in compliance with ISG-2. The discussion should also include restoration of power to each 4.16 Kv safety bus. Furthermore, on the one-line drawing, please indicate the portions of the recovery path that are overhead or underground.

RAI 2.5-3 Section 4.4 of the LRA states...in-scope EQ components will continue to perform their intended function(s) for the period of extended operation.... The applicant is requested to define the term in-scope EQ.

Auxiliary Systems RAI 3.3-6 LRA Tables 3.3.2-3, 3.3.2-4 and 3.3.2-7 identify carbon steel bolting in auxiliary systems as subject to loss of mechanical closure integrity and the bolting and torquing activities AMP is credited with managing this aging effect. Note E is applicable to these components and this note states that this is consistent with NUREG-1801material, environment, and aging effect but a different aging management program is credited. LRA AMP B.1.2, bolting and torquing activities, indicates that this program relies on industry recommendations for comprehensive bolting maintenance based on EPRI TR-104213. EPRI report TR-104213 is also referenced in the GALL XI.M18 bolting integrity AMP. For those auxiliary systems with carbon steel bolting associated with Note E, clarify if the credited bolting and torquing activities combined with other inspections required by the system walkdown are consistent with the GALL AMP XI.M18 bolting integrity, including periodic inspection of closure bolting for indication of loss of preload with subsequent loss of mechanical closure integrity. If not consistent, identify specific exceptions to the GALL AMP and the technical justification for the exceptions.

DISTRIBUTION: Dated: May 25, 2004 Accession No: ML041470021 HARD COPY RLEP RF G. Suber (PM)

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Arkansas Nuclear One, Unit 2 cc:

Executive Vice President

& Chief Operating Officer Entergy Operations, Inc.

P. O. Box 31995 Jackson, MS 39286-1995 Director, Division of Radiation Control and Emergency Management Arkansas Department of Health 4815 West Markham Street, Slot 30 Little Rock, AR 72205-3867 Winston & Strawn 1400 L Street, N.W.

Washington, DC 20005-3502 Mr. Mike Schoppman Framatome ANP, Richland, Inc.

Suite 705 1911 North Fort Myer Drive Rosslyn, VA 22209 Senior Resident Inspector U.S. Nuclear Regulatory Commission P. O. Box 310 London, AR 72847 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-8064 County Judge of Pope County Pope County Courthouse Russellville, AR 72801 Vice President, Operations Support Entergy Operations, Inc.

P. O. Box 31995 Jackson, MS 39286-1995 Wise, Carter, Child & Caraway P. O. Box 651 Jackson, MS 39205 Garry Young 1448 SR 333 Russellville, AR 72802 Mr. Fred Emerson Nuclear Energy Institute 1776 I St., N.W., Suite 400 Washington, DC 20006-3708