ML19354E766

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Responds to NRC Bulletin 89-002, Stress Corrosion Cracking of High Hardness Type 410 Stainless Steel Bolting in Anchor Darling.... Review Determined That No Subj Anchor Darling Swing Check Valves or Similar Valves Installed at Facility
ML19354E766
Person / Time
Site: Pilgrim
Issue date: 01/23/1990
From: Bird R
BOSTON EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BECO-90-018, BECO-90-18, IEB-89-002, IEB-89-2, NUDOCS 9002010312
Download: ML19354E766 (2)


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80570N EDtSON Pilgrim Nuclear Power Station Rocky Hill Road Plymouth, Massachusetts 02360 Ralph G. Bird BECo 90 O/ 8 ,

b'.T.kucNYr"'RefuYatoryCommission "

Document Control Desk Hashington, DC 20555 License DPR-35 Docket 50-293 RESPONSE TO NRC BULLETIN 89-02 STRESS CORROSION CRACKING OF HIGH HARDNESS TYPE 410 STAINLESS STEEL PRELOAD BOLTING IN ANCHOR DARLING MODEL S350H SWING CHECK VALVES OR VALVES OF SIMILAR DESIGN Boston Edison is submitting the following response in accordance with the Reporting Requirements of NRC Bulletin 89-02. This submittal is being made under oath and complies with the provisions of 10CFR50.54(f).

He have performed a review of Anchor Darling check valves and other check valves of similar design for applicability to NRC Bulletin 89-02. This review shows that Anchor Darling swing check valves model S350H with Type 410 SS bolts and other valves of similar design with preloaded Type 410 SS bolt material are not installed at Pilgrim Station.

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hh G. Bird JDK/amm/4022 Commonwealth of Massachusetts County of Plymouth Then personally appeared before me, Ralph G. Bird, who being duly sworn, did state that he is Senior Vice President - Nuclear of Boston Edison Company and that he is duly authorized to execute and file the submittal contained herein in the name and on behalf of Boston Edison Company and that the statements in said submittal are true to the best of his knowledge and belief.

My commission expires: cdb /Mr __ Of DATE NOTARY PUBLIC em 28He o

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4 BOSTON EDISON COMPANY

' January 23, 1990 U S. Nuclear Regulatory Commission-Page Two cc: Mr. M..Fairtile, Project Manager Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation Mail Stop: 14D1 I U. S. Nuclear Regulatory Commission 1 White Flint North 11555 Rockville Pike Rockville, MD 02852 U. S. Nuclear Regulatory Commission Region I .

475 Allendale Road King of Prussia, PA 19406 Senior NRC Resident Inspector Pilgrim Nuclear Power Station v-1 1

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