ML20092L361

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Advises That Util Will Replace Piston Skirts in Tdi Diesel Generators W/Piston Skirts of Later Design.New Type Ae Piston Skirts Will Be Installed by 840901
ML20092L361
Person / Time
Site: Vogtle  Southern Nuclear icon.png
Issue date: 06/11/1984
From: Foster D
GEORGIA POWER CO.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
GN-374, NUDOCS 8406290355
Download: ML20092L361 (1)


Text

Georgia Power Company  !

Route 2, Box 299A Waynesboro Georg a 30830 6 .

PRP '

L Telephone 404 554 9961. Ext. 3 MO 404 724 8114. Ext. 3360 ' OFFICIAL COPY L

D. O. Foster i

!a e2: 02 Georgia Power Vice President and Project n ge' the southem e+xtzc spem f*g"$ k$*e June 11, 1984 l

United States Nuclaar Regulatory Commission Office of Inspectitn and Enforcement File: X78G03-M36 Region II - Suite 1100 Log: GN-374 t 101 Marietta Street  !

Atlanta, Georgia 30303 i .

Reference:

Vogtle E';ectric Generating Plant-Units 1 and 2; 50 424 50-425; Delaval Diesel Generator-Piston Skirt Cracking; Let er GN-219 dated March 1, 1983. ,

Attention: Mr. James P. O'Reilly Gentlemen: '

In the evaluation summary attached to the referenced letter, Georgia ,

Power Company indicated that the piston skirts in the Vogtle diesel generators would be removed from the engines, returned to Transamerica Delaval for inspection and stress relief annealing, and then replaced  ;

in the engines. '

Georgia Power Company has reevaluated this corrective action and has elected to replace the piston skirts currently in its dhel genera- '

tors (Type _"AN" skirts) with piston skirts of a later design (Type "AE" skirts). The Type "AE" piston skirts have been properly heat treated .and are not susceptible to the problems reported for the currently installed skirts. Georgia Power Company expects to have i the new Type "AE" piston skirts installed by September 1, 1984.

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

Your ruly, -

D. O. Foster ,

6 REF/DOF/tdm xc: U. S. Nuclear Regulatory Commission ,

Document Control Desk Washington, D. C. 20555 R. J. Kelly D. E. Dutton J. A. Bailey L. T. Gucwa '

R. E. Conway W. F. Sanders 0. Batum M. Malcom G. F. Head R. H. Pinson G. Bockhold H. H. Gregory, III W. T. Nickerson P. D. Rice B. M. Guthrie J. T. Beckham, Jr. '

D. N. MacLemore R. A. Thomas E. D. Groover J. L. Vota 84o6290355 84o611 Tg31AL M gonApocnosooopag jg 2r .

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