ML20150E922

Responds to NRC Bulletin 88-003, Inadequate Latch Engagement in Hfa Type Latching Relays Mfg by Ge. Use of Hfa Relays in Class 1E Applications Not Used at Facility

ML20150E922
Person / Time
Site:	Comanche Peak
Issue date:	07/11/1988
From:	Counsil W TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
IEB-88-003, IEB-88-3, TXX-88545, NUDOCS 8807180052
Download: ML20150E922 (3)

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F T- Log # TXX 88545 File # 10119 n --

Ref. # NRCB 88-03 illELECTRIC July 11, 1988 William G. Counsil Executive Vke President V. S. Nuclear Regulatory Conunission Attn: Document Control Desk Washington, D.C. 20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

DOCKET N05. 50-445 AND 50-446 RESPONSE TO NRC BULLETIN 88-03: INADEQUATE LATCH ENGAGEMENT IN HFA TYPE LATCHING RELAYS MANUFACTURED BY GENERAL ELECTRIC (GE) COMPANY Gentlemen:

The following information is given in response to NRC Bulletin 88-03, "Inadequate Latch Engagement in HFA Type Latching Relays Manufactured by General Electric (GE) ',ompany" :

NRC Request:

Perform inspections to ensure that all GE latching-type HFA relays installed in Class IE (safety-related) applications have adequate latch engagement and that those relays which fail to meet acceptance criteria be repaired or replaced, if you do not have HFA latching-type relays subject'to this bulletin, provide a letter stating this fact.

TV Electric Response:

At CPSES, HFA relays are not used in Class 1E (safety-related) applications.

Additional Requested Information:

1. Staff time to perform the requested inspections and corrective actions. l Response: NA

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2. Staf f time to prepare the requested dr:umentation.

Response: 40 hours4.62963e-4 days <br />0.0111 hours <br />6.613757e-5 weeks <br />1.522e-5 months <br /> l

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TXX-88545 July 11, 1988 Page 2 of 2

3. Additional cost incurred as a result of the inspection findings (e.g.,

cists of corrective actions, cost of down time).

Response: NA Very truly yours, s

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W. G. Counsil VPC/grr c - Mr. R. D. Martin, Region IV Residentinspectors,CPSES(3)

'. l Attachment to 1XX-88545 July 11, 1988 UNITED STATES OF AMERICA -)

NUCLEAR REGULATORY COMMISSION 1

In the Matter of )

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Texas Utilities Electric Company ) Docket Nos. 50-445

) 50-446 (Comanche Peak Steam Electric )

Station, Units 1 & 2) )

VFIDAVIT W. G. Counsil.being duly sworn, hereby deposes and says that he is Executive Vice President, Nuclear Engineering and Operations of TV Electric, the Applicant herein; that he is duly authorized to sign and file with the Nv'. lear Regulator;; Commission this response to NRC Bulletin 88-03; that he is

'amiliar with the content thereof; and that the matters set forth therein are true and correct to the best of his knowledge, information and belief. '

Yldtab W . G . ' C'ou n s i '

Executive Vice President, Nuclear Engineering and Operations STATE OF TEXAS COUNTY OF DALLAS Subscribed and sworn to before me, a Notary Public in and for v on this // d day of V #t h , 1988.

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V- O c aA4 dmw Notary /Public My commission exp{res: 3 / A /40 .

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