ML20155D686

Responds to NRC Bulletin 88-003, Inadequate Latch Engagement in HFA-Type Latching Relays Mfg by Ge. No Relays Subj to Bulletin Used in Any Application at Facility

ML20155D686
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	06/02/1988
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	Russell W NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
FVY-88-46, IEB-88-003, IEB-88-3, NUDOCS 8806150374
Download: ML20155D686 (2)

Text

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.c VERMONT YANKEE NUCLEAR POWER CORPORATION FVY 88-46 RD 5, Box 169. Ferry Road, Brattleboro, VT 05301

,,,Ly,o ENGINEERING OFFICE g

N 1671 WORCESTER ROAD FRAMINGHAM MASS *CHUSETTS01701 TELE PHONE 6t ?4 ' 4100 June 2, 1988-U.S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406 Attn:

Mr. William T. Russell Regional Administrator

References:

a)

License No. OPR-28 (Docket No. 50-271) b)

Letter, USNRC to All Holders of Operating Licenses or Construction Permits for Nuclear Power Reactors, NVY 88-035, NRC Bulletin No.

88-03, dated 3/10/88

Subject:

Vermont Yankee Response to NRC BC letin No. 88-03:

i Inadequate Latch Engagement in HFA-Type Latching Relays Manufactured by General Electric (GE) Company 1

The subject bulletin (Reference b)) requested that licensees per-l form inspections to ensure that all GE latching-type HFA relays j

installed in Class IE (safety-related) applications have adequate latch engagenrent and that those relays which fail to meet acceptance criteria i

be repaired or replaced. Further, the bulletin requested that any I

addressee not having HFA-type latching relays subject to this bulletin provide a letter stating this fact within 120 days of receipt of the bulletin. Accordingly, Vermont Yankee's response is provided hertrin, i

pursuant to the provisions of Section 182a of the Atomic Energy Act of 1954, as amended, including the provisions of 10CFR50.54(f).

Upon receipt of NRC Bulletin No. 88-03, VerrSont Yankee initiated a review to determine whether GE late:6ing-type HFA relays subject to this bulletin have been installed in Class 1E (safety-related) applications at the plant.

This review concluded that no relays subject to this l

bulletin are used in any application et the Vermont Yankee station.

Further, Vermont Yankee is not considering any future use of these l

relays.

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8806150374 880602 PDR ADOCK 05000271 l

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VERMONT YANKEE NUCLEAR POWER CORPORATION U.S. Nuclear Regulatory Commission June 2, 1988 Page 2 We trust this letter is fully responsive to the subject bulletin request; however, should you have any questions or desire additional information, please do not hesitate to contact us.

Very truly yours, VERMONT YANKEE NUCLEAR POWER CORPORATION W lkM Warren P.

urphy Vice President an Manager of Operations

/dm cc: USNRC, Document Control Desk (Original)

USNRC Resident ~ Inspector, VYNPC STATE OF VERMONT)

)ss WINDHAM COUNTY )

Then personally appeared before me, Warren P. Murphy, who, being duly sworn, did state that he is Vice President and Manager of Operations of Vermont Yankee Nuclear Power Corporation, that he is duly authorized to execute and file the foregoing document in the name and on the behalf of Vermont Yankee Nuclear Power Corporation and that the statements therein are true to the best of his knowledge and belief.

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