ML20244D299

Advises That Licensee 880609 Response to NRC Bulletin 88-003, Inadequate Latch Engagement in Hfa Type Latching Relays Mfg by GE, Acceptable

ML20244D299
Person / Time
Site:	South Texas
Issue date:	04/13/1989
From:	Dick G Office of Nuclear Reactor Regulation
To:	Goldberg J HOUSTON LIGHTING & POWER CO.
References
IEB-88-003, IEB-88-3, NUDOCS 8904210272
Download: ML20244D299 (4)

Text

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April 13,--1989' a

D:cket'Nos'.s50-498 0

and 50-499 Mr. J. H. Goldberg Group Vice-President, Nuclear Houston Lighting & Power Company

'P.,O. Box 1700 Houston,: Texas. 77001-

SUBJECT:

RESPONSE TO NRC BULLETIN 88.On March 10, 1988 the NRC staff issued NRC Bulletin 88-03,'" Inadequate Latch Engagement in HFA Type Latching Relays Manufactured by General Electric (GE)

Company." The bulletin requested the evaluation of all latching-type HFAL relays in Class IE (safety-related) applications for 1) distance measurements'-

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between the top of the molded contact carrier'and'the top of the relay armature;

2) full latch rotation.when the armature is fully depressed; 3) repairing or replacing any relays which fails the inspections;.and 4) inspection of all existing spare HFA relays. The bulletin also requested-that licensees provide a written response either within 120 days of receipt of. the bulletin.if the licensee does not have HFA type latching relays subject to this bulletin or lwithin 30 days of completion of the inspection if the licensee does have the u

HFA type latching relays subject to this bulletin.

. By letter dated June' 9.1988,-you responded to.Bulletin 88-03. ' Your response noted that South Texas Project Electric Generating Station, Units l'and.2 do not utilize any of the HFA type latching relays;in any Class IE applications at the South Texas Project Electric Generating Station subject to NRC Bulletin No.:88-03.- This fulfills your requirements in responding to Bulletin 88-03..

Sincerely,

/s/

4 George F. Dick, Jr., Project Manager Project Directorate - IV Division of Reactor Projects - III, IV, V and Special Projects-Office of Nuclear Reactor Regulation cc: See next page DISTRIBUTION ENEEUTWh --

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NUCLEAR REGULATORY COMMISSION o

WASHINGTON, D. C. 20655 4,

g April 13, 1989 Docket Nos. 50-498 and 50-499 Mr. J. H. Goldberg Group Vice-President, Nuclear Houston Lighting & Power Company P. O. Box 1700 Houston, Texas 77001

SUBJECT:

RESPONSE TO NRC BULLETIN 88-03 On March 10, 1988 the NRC staff issued NRC Bulletin 88-03, " Inadequate Latch Engagement in HFA Type Latching Relays Manufactured by General Electric (GE)

Company." The bulletin requested the evaluation of all latching-type HFA relays in Class IE (safety-related) applications for 1) distance measurements between the top of the molded contact. carrier and the top of the relay armature;

2) full latch rotation when the armature is fully depressed; 3) repairing or replacing any relays which fails the inspections; and 4) inspection of all existing spare HFA relays. The bulletin also requested that licensees provide a written response either within 120 days of receipt of the bulletin if the licensee does not have HFA type latching relays subject to this bulletin or within 30 days of completion of the inspeetion if the licensee does have the HFA type latching relays subject to this bulletin.

8y letter dated June 9,1988, you responded to Bulletin 88-03. Your response noted that South Texas Project Electric Gene.' ting Station, Units I and 2 do not utilize any of the HFA type latching relays in any Class IE applications at the South Texas Project Electric Generating Station subject to NRC Bulletin No. 88-03. This fulfills your requirements in responding to Bulletin 88-03.

Sincerely,

. J.ec a 9

l George F. Dick, Jr.f Project Manager Project Directorate - IV Division of Reactor Projects - III, IV, V and Special Projects Office of Nuclear Reactor Regulation cc: See next page

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-.s Mr. J., H.- Goldberg.

South Texas Project

' Houston Lighting and Power Company cc:

Brian Berwick,. Esq.

Resident-Inspector / South Texas Assistant Attorney General Project

. Environmental Protection Division c/o' U.S. Nuclear Regulatory Commission -

.P. 0. Box 12548 P. O. Box 910 Capitol Station Bay City, Texas 77414.

Austin, Texas 78711 Mr. Jonathan Davis Mr. J.-T. Westermeier Assistant City Attorney General' Manager, South Texas Project City of Austin Houston Lighting and Power Company P. O. Cox 1088 P. O. Box 289 Austin, Texas 78767-Houston, Texas '77483 Ms. Pat Coy Mr. R. J. Miner '

Citizens-Concerned About Nuclear Chief Operating Officer.

10 Singleton Power City of. Austin Electric Utility 721 Barton Springs Road Eureka Springs, Arkansas 72632 Austin, Texas 78704' Mr. M. ' A. McBurnett-Mr. R. J.'Costello Manager, Operations Support Licensing Mr. M. T. Hardt Houston Lighting and Power Company City Public Service Board P. O. Box 289 P. 0. Box 1771 Wadsworth, Texas 77483.

San Antonio, Texas 78296 Mr. - A. Zaccaria Jack R. Newman, Esq.

Mr. K. G. Hess Newman & Holtzinger, P. C.

Bechtel Corporation 1615 L Street, NW

.P. O. Box 2166 Washington,.D.C. 20036 Houston, Texas 77001 Melbert Schwartz, Jr., Esq.

Mr. R. P. Verret Baker & Botts Mr. R. L. Range One Shell Plaza Central Power and Light Company Houston, Texas 77002 P. O. Box 2121 Corpus Christi, Texas 78403 Mrs. Peggy Buchorn Executive Director Doub, Muntzing and Glasgow Citizens for Equitable Utilities, Inc.

Attorneys at Law L

Route 1, Box 1684 Suite 400 Brazoria, Texas 77422 808 Seventeenth Street, N.W.

Washington, D.C.

20006 Mr. S. L. Rosen General Manager, Operations Support Houston Lighting and Power Company

'P. O. Box 289 Wadsworth, Texas 77483 4

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• Mr. J. H. Goldberg South Texas Project Houston Lighting & Power Company cc:

Regional Administrator, Region IV U.S. Nuclear Regulatory Commission Office of Executive Director for Operations 611 Ryan Plaza Drive, Suite 1000 Arlington,-Texas 76011 Mr. Lanny Sinkin, l

Counsel for Intervenor Citizens Concerned about Nuclear Power, Inc.

Christic Institute 1324 North Capitol Street

-Washington,-D.C. 20002 Licensing Representative Houston Lighting and Power Company Suite 610-Three Metro Center Bethesda, Maryland 20814 Rufus.S. Scott.

Associate General Counsel Houston Lighting & Power Company P. O. Box 1700 '~

Houston, Texas 77001 INPO Records Center-1100 circle 75 Parkway Atlanta, Georgia 30339-3064 Joseph M. Hendrie 50 Be11 port Lane l-Be11 port, New York 11713 i

Gerald E. Vaughn, Vice President l

Nuclear Operations Houston Lighting 8 Power Company P. 0. Box 289 Wadsworth, Texas 77483 R. W. Chewning, Chairman Nuclear Safety Review Board Houston Lighting & Power Company P. O. Box 289 Wadsworth, Texas 77483

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