ML20116E533

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Responds to NRC Bulletin 88-004, Potential Safety-Related Pump Loss. Mod to Chemical & Vol Control Sys Completed. Mod Eliminates Potential for pump-to-pump Interaction Between Boric Acid Transfer Pump
ML20116E533
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 11/03/1992
From: William Cahill
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
IEB-88-004, IEB-88-4, TXX-92539, NUDOCS 9211090228
Download: ML20116E533 (2)


Text

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6d Log (/ TXX-92539 File (/ 10119 Ref. (/ NRCB-88-04

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TilELECTRIC Nove-ber 3, 1992 wimm J. c.hm, Jr.

a,nrn., r,,,aar U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 SUBJECr:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

DOCKET NOS. 50-445 AND 50-446 NRC BULLETIN NO. 88-04 POTENTIAL SAFETY RELATED PUMP LOSS REF:

1) TV Electric letter logged TXX-89251 f rom W. J. Cahill, Jr.

to the NRC dated May 26. 1989 2)

TV Electric letter logged TXX-92197 from W. J. Cahill, Jr.

to the NRC dated April 30, 1992 Gentlemen:

This letter is submitted, pursuant to Action Item (/5 of Reference 1, to describe the long-t 7 resolution actions taken to prevent the potential for dead-heading of safety-related pumps.

A modification to the Chemical and Volume Control System (CVCS) has been completed, This modification, as described in Reference 2, eliminates the potential for pump-to pump interaction between the Boric Acid Transfer (BAT) pumps.

This modification concludes all actions associated with NRC Bulletin 88-04.

As discussed in Reference 1. TV Electric shall maintain a documented evaluation of these actions for a minimum of two (2) years.

Sincerely, William J. Cahill, Jr.

JET /ds Attachment c - Mr. J.

L. Milhoan, Region IV Resident inspectors, CPSES (2)

Mr. T.

A.

Bergman. NRR Mr. B. E. Holian, NRR 090071 9211090228 921103 l

PDR ADOCK 05000445

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jp'l_l' PDR 400 N. Olive Sirect LB. 81 Dallas. Texas ~5201 e

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Attachment to TXX-92539 Page 1 of 1 UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION In the Matter of

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Texas Utilities Elect,'ic Company

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Docket Nos. 50-445

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and 50-446 (Comanche Peak Steam Electric

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Station, Unit 1 A 2)

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AFF[ DAVIT William J. Cahill, Jr. being duly sworn, hereby deposes and says that he is Group Vice President, Nuclear of TV Electric, the lead Applicant herein: that he is duly authorized to sign and file with the Nuclear Regulatory Commission this response to NRC Bulletin 88-04 for the captioned facility; that he is familt ar with the content thereof: and that the mat +e s set forth therein are truo ard correct to the best of his knowledge, information and belief, Hl JW William J. Caffill, Jr.

Group Vice President, Nuclear STATE OF TEXAS

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COUNTY Of DALLAS )

j Subscribed and sworn to before me, on this 3 ".d_ d a y o f Nav nmbe r

, 1992, f) (

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h Notary 3ubl i c

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