ML20207K580

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Interim Deficiency Rept Re Lack of Calculations for Instrument Cable Insulation Resistance.Initially Reported on 860501.Data from Westinghouse Expected in Aug 1986. Evaluation Results Will Be Reported by 860829
ML20207K580
Person / Time
Site: Vogtle  
Issue date: 06/30/1986
From: Foster D
GEORGIA POWER CO.
To: Grace J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
GN-973, NUDOCS 8607290475
Download: ML20207K580 (1)


Text

Georgia Power Company Post Office Box 282 Waynesboro, Georgia 30830 Telephone 404 554-9961. Ext. 3360 404 724-8114, Ext. 3360 GeorgiaPower D. O. Foster vNie) Ne*c"

June 30, 1986 United States Nuclear Regulatory Commission Region II File: X7BG03-M99 Suite 2900 Log:

GN-973 101 Marietta Street, Northwest Atlanta, Georgia 30323

Reference:

VogtleElectricGeneratingPlant-Units 1and2;50-424,5d-425; Instrument Cable Insulation Resistance; Letter GN-887 dated May 1, 1986 o

Attention: Mr. J. Nelson Grace In previous correspondence on this subject, Georgia Power Company described a potentially reportable concern whereby calculations were not performed to establish acceptance values for instrument cable internal resistance during accident conditions to ensure the accuracy of instrument signals.

Georgia Power Company's evaluation of this concern is dependent upon inputs from Westinghouse Electric Corporation.

Westinghouse has indicated that their input will be submitted in August 1986.

Georgia Power Company now expects to inform the USNRC of the results of its evaluation by August 29, 1986.

This response contains no proprietary information and may be placed in the NRC Public Document Room.

Yours.ruly,

.d. Fos't REF/D0F/tdm xc:

U. S. Nuclear Regulatory Commission Document Control Desk Washington, D. C.

20555 J. H. Miller R. A. Thomas L. T. Gucwa J. P. O'Reilly D. R. Altman C. W. Hayes G. F. Head P. R. Bemis G. A. McCarley R. E. Conway J. A. Bailey D. S. Read J. T. Beckham

0. Batum Sr. Resident (NRC)

C. S. McCall (0PC))

R. H. Pinson G. Bockhold J. E. Joiner (TSLA P. D. Rice C. E. Belflower B. M. Guthrie J. F. D'Amico D. C. Teper (GANE) l D. E. Dutton E. D. Groover NORMS 8607290475 860630

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