ML20154M385

Forwards Request for Addl Info Re 851120 Submittal Concerning Elimination of Arbitrary Intermediate Pipe Breaks for Pressurizer Surge Lines & Main Feedwater Sys.Response Requested by 860415

ML20154M385
Person / Time
Site:	Catawba
Issue date:	03/06/1986
From:	Youngblood B Office of Nuclear Reactor Regulation
To:	Tucker H DUKE POWER CO.
References
NUDOCS 8603140169
Download: ML20154M385 (4)

Text

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Docket Nos.: 50-413 and 50-414 '

MAR 0 61986 Mr. H. B. Tucker, Vice President Nuclear Production Department Duke Power Company 422 South Church Street Charlotte, North Carolina 28242

Subject:

' Request for Additional Information - Catawba Nuclear Station The staff has reviewed your submittal dated November 20, 1985, regarding the Elimination of Arbitrary Intermediate Pipe Breaks for the pressurizer -

surge lines and main feedwater systems at both units. The staff has con-cluded that your submittal does not adequately address their concerns.

The specific informatien needed to complete the staff's review of this issue is herewith enclosed. Please respond to this request no later than April 15, 1986.

If you require any clarification of th'is matter, please contact the project manager, Kahtan N. Jabbour, at (301) 492-7367.

Sincerely,

/ Original signedby:

\ p. Hood B. J. Youngblood, Director

- PWR Project Directorate #4 Division of PWR Licensing-A, NRR

Enclosure:

As stated ISTRIBt1 TION:

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MAR 0 61986 Mr. H. B. Tucker

. Duke Power Company Catawba Nuclear Station cc:

William L. Porter, Esq. North Carolina Electric Membership Duke Power Company Corp.

P.O. Box 33189 3333 North Boulevard Charlotte, North Carolina 28242 P.O. Box 27306 Raleigh, North Carolina 27611 J. Michael McGarry, III, Esq.

Bishop. Liberinan, Cook, Purcell Saluda River Electric Cooperative, and Reynolds .

Inc.

1200 Seventeenth Street, N.W. P.O. Box 929 Washington, D. C. 20036 Laurens, South Carolina 29360 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 Consnission, Mr. C. D. Markham 101 Marietta Street, NW, Suite 2900 Power Systems Division Atlanta, Georgia 30323 Westinghouse Electric Corp.

P.O. Box 355 Pittsburgh, Pennsylvania 15230 Robert Guild, Esq.

2759 Rosewood Drive NUS Corporation Columbia, South Carolina 29205 2536 Countryside Boulevard Clearwater, Florida 33515 Palmetto Alliance .

2759 Rosewood Drive Mr. Jesse L. Riley, President Columbia, South Carolina 29205 Carolina Environmental Study Group 854 Henley Place Karen E. Long Charlotte, North Carolina 28208 Assistant' Attorney General N.C. Department of Justice Richard P. Wilson, Esq. P.O. Box 629

. Assistant Attorney General Raleigh, North Carolina 27602 S.C. Attorney General's Office P.O. Box 11549 Spence Perry, Esquire Columbia, South Carolina 29211 Associate General Counsel Federal Emergency Management Agency Piedmont Municipal Power Agency Room 840 100 Memorial Drive 500 C Street Greer, South Carolina 29651 Washington, D. C. 20472 Mark S. Calvert, Esq. Mr. Michael Hirsch Bishop, Liberman, Cook, Federal Emergency Magage: n.c Agency Purcell & Reynolds Office of the General Cuunsel 1200 17th Street, N.W. Room 840 Washington, D. C. 20036 500 C Street, S.W.

Washington, D. C. 20472 Brian P. Cassidy, Regional Counsel Federal Emergency Management Agency, Region !

J. W. McCormach POCH

, Boston, Massachusetts 02109

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1 EAR 0 S 1986 Catawba (amendments) cc:

Mr. Heyward G. Shealy, Chief Bureau of Radiological Health South Carolina Department of Health and Environmental Control 2600 Bull Street Columbia, South Carolina 29201 County Manager of York County York County Courthouse York, South Carolina 29745 Attorney General P.O. Box 11549 Columbia, South Carolina 29211 t

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P. ENCLOSURE

, REQUEST FOR ADDITIONAL INFORMATION CATAWPA NUCLEAR STATION, UNITS 1 AND 2 DOCKET NOS. 50-413/414

1. Provide additional details describing the design features incorporated in the Main Feedwater Systems of both units, and operational procedures that would be followed to minimira the occurrence of water hammer in the piping system. An acceptable level of detail on this issue is contained in Attachments F and G to a letter from D. E. Swartz, Commonwealth Edison to H. R. Denton, NRC, " Byron Station, Units 1 & 2 - Elimination of Arbitrary Intermediate Pipe Breaks," dated November 15, 1985. In responding to this request explain whether the differences between the steam generators in the two units have any impact on the p'stential for

. water hammer.

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