ML20080A239

Interim Part 21 Rept Re Potential Undectable Failures in Solid State Protection Sys Test Circuits Preventing ESF Initiation.Westinghouse Will Supply Field Kits to Modify Protective Sys

ML20080A239
Person / Time
Site:	Seabrook
Issue date:	01/04/1984
From:	Devincentis J PUBLIC SERVICE CO. OF NEW HAMPSHIRE, YANKEE ATOMIC ELECTRIC CO.
To:	Starostecki R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
REF-PT21-84-184-000 PT21-84-184, PT21-84-184-000, SBN-607, NUDOCS 8402030422
Download: ML20080A239 (3)

Text

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PUESLIC SERVICE sua sTAmm Engineedng Omw Companyof New Hampshire 1671 Worcessor Road Freredicham, Mossochusetts 01701 (6 0 ) . 872- 8100 January 4, 1984 SBN- 607 T.F. Q2.2.2 United States Nuclear Regulatory Commission Region I 631 Park Avenue l King of Prussia, PA 19406 Attention: Mr. Richard W. Starostecki, Director Division of Project and Resident Programs

References:

(a) Construction Permits CPPR-135 and CPPR-136, Docket Nos. 50-443 and 50-444 (b) Telecon of August 5, 1982, H. E. Wingate (YAEC) to Eugene Kelley (NRC Region I)

(c) PSNH Letter, dated September 2,1982, " Interim 10CFR50.55(e) Report; Solid State Protection System Power Surge", J. DeVincentis to R. W. Starostecki (d) PSNH Ietter, dated October 19,1982, " Interim 10CFR50.55(e)

Report; Solid State Frotection System Power Surge",

J. DeVincentis to R. W. Starostecki (e) PSNH Letter, dated January 26, 1983, " Interim 10CFR50.55(e)

Report; Solid State Protection System Power Surge",

J. DeVincentis to R. W. Starostecki (f) PSNH Letter, dated July 1,1983, " Interim 10CFR50.55(e)

Report; Solid State Protection System Power Surge",

J. DeVincentis to R. W. Starostecki

Subject:

Interim 10CFR50.55(e) Report; Solid State Protection System Test Circuit Undetectable Failure

Dear Sir:

In References (c), (d), (e), and (f), we filed Interim 10CFR50.55(e)

Reports regarding potential undetectable failures in the Solid State Protection System test circuits which may prevent automatic initiation of an engineered safety feature.. It was also indicated that this item is concfdered reportable under 10CFR50.55(e).

8402030422 840104 /f (~

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Unityd StaterjNuclear Regulatary Commission January 4,1984 Attention:

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Mr. Richard W. .Starostecki, Director ~ , Ps.ge 2

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Refc rence (f) describes in detail the deficiency trd corrective action to be.taken. Westinghouse vill supply field kits to modify the_ Solid State Irotection System. We will continue to follow this iter.and.noritf you when the modification is crmpletie.  ;<

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, Very truly yours,t i  !

. , YANKEE ATOMIC ELECT 2JC COMPANY g} k

/ J  ;  ; John DeVincentis i .- /' re p Project Manager

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z William S. Jordan, III, Esquire Brentwood Board of Selectmen Harmon & Weiss RED Dalton Road J-1725 I Street, N.W. Suite 506 Brentwood, New Hampshire 03833 Washington, DC 20006 5 Roy P. Lessy, Jr., Esquire

-i Office of the Executive Legal Dlcector Edward F. Meany j- U.S. Nuclear Regulatory Commission Designated Representative of

__; Washington, DC 20555 the Town of Rye 155 Washington Read g-, Robert A. Backus, Esquire Rye, NH 03870

= 116 Lowell Street 3

P.O. Box 516 Calvin A. Canney s Mancehster, Nil 03105 City Manager City Hall

-[ Philip Ahrens, Esquire 126 Daniel Street Z$ Assistant Attorney General Portsmouth, NH 03801

, Department of the Attorney General Augusta, ME 04333 Dana Bisbee, Esquire Assistant Attorney General Mr. John B. Tanzer Office of the Attorney General Designated Representative of 208 State House' Annex the Town vf Hampton Concord, NH 03842

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__ 5 Morningside Drive Hampton, NH 03842 Anne Verge, Chairperson Board of Selectmen Roberta C. Pevear Town Hall

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_- Designated Representative of South Hampton, NH 03842 i the Towr. of Hampton Falls

]$ Drinkwater Road Patrick J. McKeon t- Hampton Falls, NH 03844 Selectmen's Office dB 10 Central Road

[" Mrs. Sandra Gavutis Rye, NH 03870 i Designated Representative of

,g the Town of Kensington Carole F. Kagan, Esq.

-me RFD 1 Atomic Safety and Licensing Board Panel

?? East Kingston, NH 03827 U.S. Nuclear Regulatory Commission f Washington, D.C. 20555

_; Jo Ann Shotwell, Esquire mz Assistant Att orney General Mr. Angie Machiros

. Environmental Protection Bureau Chairman of the Board of Selectmen Department of the Attorney General Town of Newbury

=. One Ashburton Place, 19th Floor Newbury, MA 01950

,_ Boston, MA 02108 s= Town Manager's Office

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2-Senator Gordon J. Humphrey Town Hall - Friend Street U.S. Senate Amesbury, Ma. 01913 U.;hington, DC 20510 (Attn: Tom Burack) Senator Gordon '. Humphrey  :

1 Pillsbury Street Diana P. Randall Concord, NH 03301 l 70 Collins Street (Attn: Herb Boynton)

SEabrook, NH 03874 ET d- Richard E. Sullivan, Mayor

-t Donald E. Chick City Hall r-7 Town Manager Newburyport, MA 01950 Town of Exeter 10 Front Street Exeter, NH 03833

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