ML20055J357

Forwards Review of C-E Topical Rept Cen 387-P, C-E Owners Group Pressurizer Surge Line Flow Stratification Evaluation, Per NRC Bulletin 88-011.Adequate Basis Not Provided for Meeting Pressurizer Surge Line Code Limits

ML20055J357
Person / Time
Site:	Arkansas Nuclear
Issue date:	07/31/1990
From:	Poslusny C Office of Nuclear Reactor Regulation
To:	Carns N ENTERGY OPERATIONS, INC.
Shared Package
ML17305B770	List: ML17305B769 ML20055J357
References
IEB-88-011, IEB-88-11, TAC-72109, NUDOCS 9008020141
Download: ML20055J357 (3)

Text

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' efgo atsg[*g UNITED STATES i

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• e NUCLEAR REGULATORY COMMISSION

,a WASHINGTON, D. C. 20555 k,.....

July 31, 1990 Dot.ket No. 50-368,

I I

Entergy Operations, Inc.

ATTN: Mr. Neil S. Carns Vice President, Operations Arkansas Nuclear One P.O. Box 551 Little Rock, Arkansas 72203

SUBJECT:

NRC BULLETIN NO. 88-11. " PRESSURIZER SURGE LINE THERMAL STRATIFICATION" - EVALUATION OF COMBUSTION ENG'NEERING OWNERS GROUP i

BOUNDING ANALYSIS (TAC NO. 72109)

By letter dated Au ust 16, 1989, Arkansas Power and Light Com)any responded to item 1.b of NRC Bu letin No. 88-11. " Pressurizer Surge Line Tiermal Stratification."

1 The letter transmitted a discussion of a bounding analysis performed by the i

Combustion Engineering Owners Group (CEOG) which is applicable to Arkansas Nuclear i

One, Unit 2(ANO-2).

The staff has completed its review of the CEOG bounding analysis and finds' that although sufficient information has been provided to justify continued plant operation until ANO-2 comp 1stes its final report in accordance with j

the schedule delineated by the Bulletin, adequate bases have not been provided i

for the staff to conclude the PSL meets all appropriate Code limits for 40-year plant life. Enclosure 1 is a copy of the evaluation which was sent to the CEOG, Also enclosed is the staff's evaluation of CE's response to items discussedduringaSeptcmber1989auditatCE'soffice(Enclosure 2).

1 Entergy Operations Incorporated may work collectively through the CE0G effort to address the issues identified in the evaluation but Entergy Operations i

IncorporatedisresponsibleininsurethattheBulletinrequestedactionsare fully implemented et ANG-2.

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The staff will assess the conformance of the PSL to applicable Credes and regulatory requirements for 40-year plant life when the CEOG report regarding Item 1.d of the Bulletin is submitted.

Sincerely, hk/2 h

Chester Poslusny, Jr. y Project Manager Project Directorate IV-1 Division of Reactor Projects III, IV, V and Special Projects Office of Nuclear Reactor Regulations

Enclosures:

As stated cc: w/ enclosure:

See next page i

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Entergy*0perations. Inc.

Arkansas Nuclear One, Unit 2 cc:.

4 Mr. Early Ewing, General Manager Mr. Donald C. Hintz j

Technical Support and Assessment Executive Vice President i

Arkansas Nuclear One and Chief Operating Officer Route 3 Box 137G Entergy Operations, Inc.

Russellville, Arkansas 72901 P. O. Box 31995 Jackson, Mississippi 39286 Mr. Jerry Yelverton Mr. Gerald Muench l

Director Nuclear Operations Vice President Operations Support Arkansas Nuclear One Entergy Operations, Inc.

Route 3 Box 137G P. O. Box 31995 Russellville, Arkansas 72801 Jackson, Mississippi 39286 Mr. Nicholas S. Reynolds Mr. Robert 8. McGehee, Esquire Bishop, Cook, Purcell & Reynolds Wise, Carter, Child & Caraway 1400 L Street, N.W.

P. O. Box 651 4

Washington, D.C.

20005-3502 Jackson, Mississippi 39205 Mr. Robert B. Borsum Mr. Charles B. Brinkman, Manager j

Babcock & Wilcox _

Washington Nuclear Operations Nuclear Power Generation Division Combustion Engineering, Inc.

1 1700 Rockville Pike, Suite 525 12300 Twinbrook Parkway, Suite 330 Rockville, Maryland 20852 Rockville, Maryland 20852 Senior Resident Inspector U.S. Nuclear Regulatory Commission i

1 Nuclear Plant Road Russellville, Arkansas 72801 Regional Administrator, Region IV U.S. Nucleat Regulatory Commission Office of Executive Director for Operations 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Honorable Joe W. Phillips County Judge of Pope County Popt County Courthouse Russellville, Arkansas 72801 Ms. Greta Dieus, Director Division of Environmental Health Protection Arkansas Department of Health 4815 West Markam Street Little Rock, Arkansas 7/201

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