ML15260A221

Advises of Closure of NRC Bulletin 89-002 Re Stress Corrosion Cracking of High Hardness Type 410 Stainless Steel Internal Preload Bolting in Anchor Darling Model S350W Swing Check Valves or Valves of Similar Design

ML15260A221
Person / Time
Site:	Oconee
Issue date:	08/12/1991
From:	Wiens L Office of Nuclear Reactor Regulation
To:	Tuckman M DUKE POWER CO.
References
IEB-89-002, IEB-89-2, TAC-74284, TAC-74285, TAC-74286, NUDOCS 9108160282
Download: ML15260A221 (3)

Text

August 12, 1991 Docket Nos. 50-269, 50-270 and 50-287 Mr. M. S. Tuckman, Vice President Nuclear Operations Duke Power Company P. 0. Box 1007 Charlotte, North Carolina 28201-1007

SUBJECT:

CLOSEOUT OF NRC BULLETIN 89-02, STRESS CORROSION CRACKING OF HIGH HARDNESS TYPE 410 STAINLESS STEEL INTERNAL PRELOADED BOLTING IN ANCHOR DARLING MODEL S350W SWING CHECK VALVES OR VALVES OF SIMILAR DESIGN (TAC NOS. 74284, 74285, AND 74286)

Your letter(s) dated August 23, 1990, January 15 and June 20, 1991, responded to NRC Bulletin 89-02 for the Oconee Nuclear Station, Units 1, 2 and 3. Your response indicated that activities required to address the issues discussed in the Bulletin have been performed. Your confirmation provides an adequate basis to consider NRR's review of your response complete. Further NRC review, if any, will be by the inspection or audit process.

Sincerely,

/s/

Leonard A. Wiens, Project Manager Project Directorate 11-3 Division of Reactor Projects -

I/Il Office of Nuclear Reactor Regulation cc:

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pR REG, o5 UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555 August 12, 1991 Docket Nos. 50-269, 50-270 and 50-287 Mr. M. S. Tuckman, Vice President Nuclear Operations Duke Power Company P. 0. Box 1007 Charlotte, North Carolina 28201-1007

SUBJECT:

CLOSEOUT OF NRC BULLETIN 89-02, STRESS CORROSION CRACKING OF HIGH HARDNESS TYPE 410 STAINLESS STEEL INTERNAL PRELOADED BOLTING IN ANCHOR DARLING MODEL S350W SWING CHECK VALVES OR VALVES OF SIMILAR DESIGN (TAC NOS. 74284, 74285, AND 74286)

Your letter(s) dated August 23, 1990, January 15 and June 20, 1991, responded to NRC Bulletin 89-02 for the Oconee Nuclear-Station, Units 1, 2,_

and 3. Your response indicated that activities required to address the issues discussed in the Bulletin have been performed. Your confirmation provides an adequate basis to consider NRR's review of your response complete. Further NRC.review, if any, will be by the inspection or audit process.

Sincerely, Leonard A. Wiens, Project Manager Project Directorate 11-3 Division of Reactor Projects -

I/II Office of Nuclear Reactor Regulation cc:

See next page Ab

Mr. M.S. Tuckman Oconee Nuclear Station Duke Power Company Units Nos. 1, 2 and 3 cc:

Mr. A.V. Carr, Esq.

Mr. Stephen Benesole Duke Power Company Duke Power Company 422 South Church Street Post Office Box 1007 Charlotte, North Carolina 28242-0001 Charlotte, North Carolina 28201-1007 J. Michael McGarry, III, Esq.

Winston and Strawn Mr. Alan R. Herdt, Chief 1400 L Street, N.W.

Project Branch #3 Washington, D.C. 20005 U.S. Nuclear Regulatory Commission 101 Marietta Street, NW, Suite 2900 Mr. Robert B. Borsum Atlanta, Georgia 30323 Babcock & Wilcox Nuclear Power Division Ms. Karen E. Long Suite 525 Assistant Attorney General 1700 Rockville Pike N. C. Department of Justice Rockville, Maryland 20852 P.O. Box 629 Raleigh, North Carolina 27602 Manager, LIS NUS Corporation Mr. R.L. Gill, Jr.

2650 McCormick Drive, 3 Floor Nuclear Production Department Clearwater, Florida 34619-1035 Duke Power Company P.O. Box 1007 Senior Resident Inspector Charlotte, North Carolina 28201-1007 U.S. Nuclear Regulatory Commission Route 2, Box 610 Seneca, South Carolina 29678 Regional Administrator, Region II U.S. Nuclear Regulatory Commission 101 Marietta Street, N.W., Suite 2900 Atlanta, Georgia 30323 Mr. Heyward G. Shealy, Chief Bureau of Radiological Health South Carolina Department of Health and Environmental Control 2600 Bull Street Columbia, South Carolina 29201 Office of Intergovernmental Relations 116 West Jones Street Raleigh, North Carolina 27603 County Supervisor of Oconee County Walhalla, South Carolina 29621 Mr

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