ML20099E884

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Advises That Util Initiated Comprehensive Confirmatory Test Program to Envelope Full Range of Protected Conduit & Cable Tray Configurations to Provide Further Assurance of Overall Adequacy of Thermo-Lag Fire Barriers at Facilities
ML20099E884
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 08/07/1992
From: William Cahill, Walker R
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TXX-92381, NUDOCS 9208120004
Download: ML20099E884 (2)


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10010 0 909.5 1UELECTRIC August 7, 1992 William J. Cahill, Jr.

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U. S. Nuclear Regulatory Commission Attn:

Document Control Desk Washington DC 20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES) 1 DOCKET NOS. 50-445 AND 50-446 ADDITIONAL CONFIRMATORY TESTING 0F THERHO-LAG FIRE BARRIER SYSTEM Gentlemen:

Recent industry wide issues, relating to the Thermo-Lag fire barriers, has

- I prompted TO Electric to initiate a comprehensive confirmatory test program to envelope the full range of protected conduit and cable tray configurations.

The test program was implemented to provide further assurance of the overall adequacy of Thermo-Lag barriers at CPSES.

The additional 1herm. Lag testing is currently scheduled for the third week in August. 1992 (August 19-21) at the f ollowing address:

OMEGA POINT LABORATORIES, INC.

-6868 Alamo Downs Parkway San Antonio, Texas 78238 TV Electric extends'an invitation to your representative *s '

titness the confirmatory tests at Omega Point Labs.

-Additionally, in a teleconference with your representative on July 16, 1992, it-was. requested by your ~ staff that hose stream test not be performed for Ethe upcoming series;of tests, to facilitate a better visual examination following the fire' test. :M are revising our test procedure accordingly.

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TXX-92381 Page 2 of 2 1

Please contact Obald Bhatty at (817) 897-5839 to confirm your arrival or if additional information is required.

F Sincerely, 0Y h

William J. Cahill, Jr.

l By:

M Roger D. Walker Manager of Regulatory Affairs for HE0 OB/tg-c-

Mr. J. L. Hilhoan, Region IV,.

Mr. B. E. Holian, NRR Hr. L. A. Yandell, Region IV Resident inspectors. CPSES (2) b b

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