TXX-4930, Interim Deficiency Rept CP-86-25 Re Concern That W/O Full Breaker/Fuse Coordination,Portions of Util Damage Study Could Be Incorrect.Initially Reported on 860410.Next Rept Expected by 860829

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Interim Deficiency Rept CP-86-25 Re Concern That W/O Full Breaker/Fuse Coordination,Portions of Util Damage Study Could Be Incorrect.Initially Reported on 860410.Next Rept Expected by 860829
ML20203G732
Person / Time
Site: Comanche Peak  
Issue date: 07/22/1986
From: Counsil W, Keeley G
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To: Johnson E
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
CP-86-25, TXX-4930, NUDOCS 8608040033
Download: ML20203G732 (1)


Text

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Log # TXX-4930 File # 10110 903.6 TEXAS UTILITIES GENERATING COMPANY NKYWAY TOWER e 400 NOIETH OLIVE NTREET. L.B. 88. IDALLAN. TEXAN 75208 July 22,1986 UMs7ASifES Mr. Eric H. Johnson, Director LL l

J lLV Division of Reactor Safety and Projects

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U. S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 1000 Arlington, TX 76012

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

DOCKET NOS.

50-445 AND 50-446 BREAKER / FUSE C0 ORDINATION SDAR: CP-86-25 (INTERIM REPORT)

Dear Mr. Johnson:

On April 10, 1986, we verbally notified your Mr. R. Hall of a deficiency involving a possible concern in that without full breaker / fuse coordination, portions of the CPSES damage study could be incorrect. This is an interim report of a potentially reportable item under the provisions of 10CFR50.55(e).

We have submitted an interim report logged TXX-4789, dated May 9, 1986.

We are continuing our evaluation and anticipate submitting our next report by August 29, 1986.

Very truly yours,

/

_/

~. S. Keeley 4

/__

G Manager,NucleayLicensing JCH/arh c - NRC Region IV (0 + 1 copy)

Director, Inspection & Enforcement (15 copies)

U. S. Nuclear Regulatory Commission Washington, D.C.

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