ML20086G713

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Submits Response to Generic Ltr 83-41, Fast Cold Starts of Diesel Generators. Colt Recommends Starting & Continuous Running Procedure.Number of Fast Cold Starts for 821201-831201 Listed
ML20086G713
Person / Time
Site: Summer South Carolina Electric & Gas Company icon.png
Issue date: 01/06/1984
From: Dixon O
SOUTH CAROLINA ELECTRIC & GAS CO.
To: Harold Denton
Office of Nuclear Reactor Regulation
References
GL-83-41, NUDOCS 8401120371
Download: ML20086G713 (2)


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SOUTH CAROLINA ELECTRIC & GAS COMPANY POST OPPICE 764 COLuusiA. SOUTH CAROUNA 29218 O. W. DixON, JR.

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January 6, 1984 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory. Commission Washington, D.C.

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Subject:

Virgil C. Summer Nuclear Station Docket No. 50/395 Operating License No. NPF-12 NRC Generic Letter 83-41

Dear'Mr. Denton:

Fa=t Cold Starts of In-response to NRC Generic Letter 83-41, Diesel Generators," South Carolina Electric and Gas Company (SCE&G) provides the following information:

1.

Number of Fast Cold Starts (December 1, 1982 to December 1, 1983)

Diesel Diesel Generator A Generator B a)

Surveillance Testing 24 36 b)

Maintenance Activities 14 3

c)

Actual Demands 3

3 2.

Frequent fast cold starts can cause degradation of the reliability and availability of the diesel generators.

Colt, the manufacturer of SCE&G's diesel generators, recommends a starting and continuous running procedure which is not nearly as severe as the testing required by

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technical specifications.

Starting and loading the diesel. generators in the manner described in the technical specifications may produce abnormal mechanical and thermal stresses in the diesel engines which could lead to accelerated wear and an increased probability of failure.

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8401120371 840106 PDR ADOCK 05000395 P

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Mr. Harold.R. Denton

.NRC Generic Letter 83-41 January 6, 1984 Page #2 If there should be any questions, please contact us at your convenience.

Very truly yours,

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O. W.

ixon r.

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cc:

V.

C.

Summer T.

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Nichols,.Jr./O. W.

Dixon, Jr.

E. H. Crews, Jr.

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C. Roberts W.

A. Williams, Jr.

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Nauman-J.

P. O'Reilly Group Managers O.

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Bradham C. A.

Price C.

L'. Ligon (NSRC)

G. J. Braddick D. J.

Richards NRC Resident Inspector J.

B.

Knotts, Jr.

NPCF File-

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