ML20246Q151

Informs of Implementation Schedule for Item 1.b of NRC Bulletin 88-011, Pressurizer Surge Line Thermal Stratification, Per 890411 Meeting W/Westinghouse Owners Group.Proposed Schedule for Analysis Must Be Accelerated

ML20246Q151
Person / Time
Site:	Mcguire, Catawba, McGuire, 05000000
Issue date:	05/16/1989
From:	Hood D Office of Nuclear Reactor Regulation
To:	Tucker H DUKE POWER CO.
References
IEB-88-011, IEB-88-11, TAC-72121, TAC-72122, TAC-72142, TAC-72143, NUDOCS 8905220392
Download: ML20246Q151 (5)

Text

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'* [ NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C 20555

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\...../ May 16, 1989 l

' Docket Nos.: 50-413, 50-414 50-369, 50-370 Mr. H. B. Tucker, Vice President Nuclear Prodnction Department  ;

Duke Power Company  ;

422 South Church Street i Charlotte, North Carolina 28242

SUBJECT:

SCHEDULAR RELIEF REQUEST RELATED TO NRC BULLETIN 88-11,

" PRESSURIZER SURGE LINE THERMAL STRATIFICATION," ITEM 1.b (TACNOS. 68527,68528,72142,and72143)

)

The purpose of this letter is to inform you of the implementation schedule for ,

Item 1.b of NRC Bulletin 88-11, " Pressurizer Surge Line Thermal Stratification" j that was mutually agreed upon between the NRC staff and the Westinghouse Owners Group (WOG) during an April 11, 1989 meeting.

By letter dated March 10, 1989, you proposed for the McGuire and Catawba Nuclear Stations an alternate schedule for the completion of the . bounding analysis required by Item 1.b of HRC Bulletin 88-11 regarding the design adequacy of the pressurizer surge line, taking into account the effects of thermal stratification. Your proposed schedule for completion is two years from receipt of the bulletin (which was issued December 20,1988) based upon your participation in the Westinghouse Owners Group (WOG) program.

As a result of the April 11, 1989 meeting, the WOG agreed to notify its member-ship that licensees with plants operating less than 10 years should, within one year of receipt of the bulletin, complete and have available for NRC audit, their bounding analysis as related to Item 1.b of the bulletin. These plants were also to be advised to submit to the NRC a Justification for Continued Operation (JCO) if the results of the bounding analysis do not confirm the adequacy of the pressurizer surge line for the design life of the plant. Your March 1.0 letter indicates the JC0 for McGuire and Catawba will be submitted to the staff prior to May 10, 1989. This pre-dates the bounding analysis and is not consistent with the WOG discussion; a JC0 is required only if the bounding  !

analysis is found not to confirm the surge line for design life. Also, your proposed schedule for Item 1.b analysis completion two years after bulletin receipt is inconsistent with the WOG discussions and should be accelerated to no later than one year after bulletin receipt.

It is our understanding that the WOG will provide you with a " generic" bounding analysis, to which your plant specific variables (e.g., seismic and ,

thermal loadings) will need to be added and incorporated. Your analysis l should assess all aspects of thermal stratification and thermal striping including bounding evaluations on stresses and fatigue, based on currently 1 availeble information. l 8905220392 890516 ADOCK0500g9 p [~c l

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's 8 Mr. H. B. Tucker May 16, 1989 Based upon your participation in the WOG program regarding this issue, it is our expectation that your efforts will be consistent with those of the WOG, but this means that your proposed schedule for Item 1.b analysis must-be accelerated accordingly.

Sincerely,

1. I Darl S. Hood, Project Manager Project Directorate II-3 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation cc: See next page

p .Mr. H. B. Tucker May 16, 1989 Based upon your participation in the WOG program regarding this issue, it 'is our expectation that your efforts will. be consistent with that of the WOG, but this means that your proposed schedule for Item 1.b analysis must be accelerated accordingly.

-Sincerely,

/S Darl S. Hood, Project Manager Project Directorate II-2 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation cc: See.next page DISTRIBUTION:

{Dockat11'le NRC'PDR Local PDR PDII-3 Reading S. Varga 14-E-4 G. Lainas- 14-H-3 D. Matthews 14-H-25 M. Rood 14-H-25 D. Hood 14-H-25 'PFc4 K. Jabbour 14-H-25 ]

T. Chan 13-E-16 l; i OGC (For inform. Only) 15-D-18 l E. Jordan MNBB-3302 B. Grimes 9-A-2

.ACRS(10) P-315 McGuire Plant File Catawba Plant File 3 O 330 PD . 3 PDII-3 PDII 3 PD5 .- PDII-3 Kc' DHood:1s KJabbour TChan-05/q/89 05/q /89 05/q/89 05/f/89[y0Matthews 05//6/89 u

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Mr. H. B. Tucker l

' Duke Power Company Catawba.~ Nuclear Station

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'A.V. Carr, Esq. North Carolina Electric Membership.

' Duke Power Company Corp. .

.422 South Church Street '3400 Sumner Boulevard

' Charlotte, North Carolina 28242 P.O. Box 27306 Raleigh, North Carolina : 27611'

' J. Michael McGarry, III, Esq.

Bishop, Cook .Purcell and Reynolds Saluda River Electric Cooperative, 1400'L Street,?N.W. Inc.

Washington, D. C. 20005 P.O.' Box 929 . .

Laurens, South Carolina 29360 t

North Carolina MPA-1 Senior Resident Inspector Suite 600- Route 2, Box 179N 3100 Smoketree Ct. York, South Carolina 29745 P.O. Box 29513 Raleigh, North Carolina 27626-0513 Regional Administrator, Region II U.S. Nuclear Regulatory Commission Ms. S. S. Kilborn 101 Marietta Street, NW, Suite 2900 Area Manager,' MidkSouth Area Atlanta, Georgia 30323 ESSD. Projects Westinghouse, Electric Corp. Mr. Heyward G. Shealy, Chief MNC West Tower - Bay 239 Bureau of. Radiological Health South Carolina Department of Health-P.O. Box'355 Pittsburgh, Pennsylvania 15230 .and Environmental Control' 2600 Bull Street-County Manager of York County Columbia, South Carolina 29201 York County Courthouse L York, South Carolina 29745 Ms.' Karen E. Long Assistant . Attorney General Richard P. Wilson, Esq. N.C. Department'of Justice Assistant Attorney General P.O. Box 629 S.C. Attorney General's Office Raleigh, North Carolina 27602 P.O. Box 11549 Columbia, South Carolina 29211 Mr. Peter G. LeRoy Nuclear Production Department Piedmont Municipal Power Agency Duke Power Company

• 100 Memorial Drf~e P.O. Box 33189

' Greer, South Carolina 29651 Charlotte, North Carolina 28241

Mr. Alan R. Herdt, Chief Project

Branch #3 U.S. Nuclear Regulatory Commission 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323

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Mr. H. B. Tucker

. Duke Power Company McGuire Nuclear Station cc:

.Mr. A.V. Carr, Esq. Dr. John- M. Barry Duke Power Company -Department of Environmental Health- i P. 0. Box 33189 Mecklenburg County

.422 South Church Street 1200 Blythe Boulevard  !

' Charlotte, North Carolina 28242 Charlotte, North' Carolina 28203 County Manager of.Mecklenburg County .Mr. Dayne H. Brown, Chief

'720 East Fourth Street Radiation Protection Branch 3 Charlotte, North Carolina 28202 Division of Facility Services  !

Department of Human Resources 701 Barbour Drive Mr. J. S. Warren Raleigh,' North _ Carolina - 27603-2008 Duke Power Company .

Nuclear Production Department! Mr. Alan R.'Herdt, Chief.

P. 0. Box 33189 , .

Project Branch #3 Charlotte, . North Carolina 28242 U.S. Nuclear Regulatory Commission i 101 Marietta Street, NW, Suite 2900 ,

J. Michael McGarry, III, Esq. Atlanta, Georgia 30323 '

Bishop, Cook, Purcell. and Reynolds 1400 L Street, N.W. Ms. Karen E. Long

. Washington, D. C. 20005 Assistant Attorney General N. C. Department of.Justi a Senior. Resident Inspector P.O.. Box 629 c/o U.S. Nuclear Regulatory Consnission Raleigh, North Carolina 27602 Route 4 Box'529 Hunterv111e,-North Carolina 28078 Regional' Administrator, Region II U.S. Nuclear Regulatory Commission-101 Marietta Street, N.W., Suite 2900 Atlanta, Georgia 30323 Ms. S. S. Kilborn l

Area Manager, Mid-South Area l ESSD Projects Westinghouse Electric Corporation MNC West Tower - Bay 239 P. O. Box 355 l

-Pittsburgh, Pennsylvania 15230 l

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