ML20100B741

Intervenor Exhibit I-MOSBA-260,consisting of 900129 Ltr to NRC Document Control Desk Re Plant Special Rept Invalid DG Failure

ML20100B741
Person / Time
Site:	Vogtle
Issue date:	09/19/1995
From:	Hairston W GEORGIA POWER CO.
To:
References
OLA-3-I-MOS-260, NUDOCS 9601220286
Download: ML20100B741 (4)

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s It f:* "r O!! f:5fil' '95 OCT 20 P4 :49 January 29, 1990 m

,. m c 4 g W. G. Hairston, til DIf g_ o.- g.

senor V ce F e - []C Lf,E.I N G -' ' I C E.

Nscica' Oce , ,

LELV-01271 0212 Docket No. 50-424 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555 Gentlemen: -(

V0GTLE ELECTRIC GENERATING PLANT SPECIAL REPORT INVAllD DIESEL GENERATOR FAILURE In accordance with the requirements of the Vogtle Electric Generating Plant Technical Specifications, Sections 4.8.1.1.3 and 6.8.2, Georgia Power Company is submitting the enclosed Special Report concerning an invalid diesel generator failure.

Sincerely, iddl /efW W. G. Hairston, III l WGH,Ill/NJS/gm

Enclosure:

Special Report 1-90-01 1

c(w): Georaia Power Company  !

Mr. C. K. McCoy j Ar. G. Bockhold, Jr.

Mr. P. D. Rushton l Mr. R. M. Odom  ;

NORMS ,

U. S. Nuclear Reaulatory Commission I Mr. S. D. Ebneter, Regional Administrator )

Mr. D. B. Matthews, Director, Project Directorate II-3  !

Mr. R. F. Aiello, Senior Resident Inspector, Vogtle J

NUCt. EAR REGULATORY COMMISSION Docket No. So 424/425 OLA-3 EXHIBITNO._ T*ho _

]

In the matter of Georola Power Co. et al.. Watie Unite 1 & 2 ,

Osten O Applicant Bfreervonor OOk Reporter ,,, 5 P l O identin9d 31teceived O Rejected oens 6.//1/4( van W tt t .d WAaD 9601220286 9509 hDR ADOCK 05000 24 +

PDR 92 PROJE.CT 007227

. . - . .- . = . . . . . . - . --

l START NUMBER /DATE START REASON / PROC.

DISCUSSION ALARMS RECORDED l

18-90-119 1 03-13-90 M AINTENANCE TESTING - IN i - Tile ENGINE WAS OPERATED FOR 10.47 IIRS , NO ALARMS DOCUMENTED l

ACCORDANCE %1Til PROCEDURE 28713- TilEN STOPPED BY Tile OPERATOR TO ALLOW 1, STEPS 4.5.1 T11 ROUGH 4.5.3.

i PERFORMANCE OF llOT WEB DEFLECTION.

l - MAX LOAD WAS APPROX. 7000 KW.

- Tills RUN WAS CLASSIFIED AS A SUCCESSFUL VALID TEST As DEFINED IN PROC. 55038 C.

' NOTE 1:

t PROCEDURE 54055-1,

• TRAIN A DIESEL GENERATOR AND ESFAS TEST" IS PERFORMED EVERY la MONTils IN ACCORDANCE WITil TECil. SPEC. SECTION 3/4.8.1.1.2.h.

I PURPOSE SECTIONTHIS TEST VERIFIES OF PROCEDURE 54055-1 PROPER DIESEL OPERATION DURING LOAD SEQUENCING AND LOAD REJECTION. A COPY O ARE INCLUDED TO PROVIDE THE SPECIFIC DIESEL TEST REQUIREMENTS DURING ESFAS.

l

' NOTE 2 PROCEDURE 28713-1,"SECOND END OF CYCLE DIESEL GENERATOR CHECKOUT," WAS SPECIFICALLY PREPARED FOR Tile 1990 OUTAGE ACTIVITY ON TH l EDG. THE PROCEDURE IS 50 LENGTHY TilAT ONLY Tile STEPS REFERENCED IN Tile TABLE IIAVE BEEN INCLUDED IN Tills PACK l M Q IE.]: MAINTENANCE WORK ORDER 19000016 WAS GENERATED TO ALLOW INVESTIGATION OF Tile TRIP Til AT OCCURRED DURING START NO. IB-90110.

WillLE Nu NI ClAlIVED ARM WAS RECORDED ON THE DIESEL GENERATOR COMPLETION DATA SilEET, GPC BELIEVES Tile LOW PRESSURE TURBOCHARGFR OIL RIGitT ALARM WAS WHEN TIIE WORK DOCUMENT WAS READY FOR INVESTIGATION TO PROCEED, OPERATIONS PERSONNEL STARTED THE ENGINE FOR TROUBLESilOOTING t i A55tFIED AS START NO.1B-90-111).

INVESTIGATION REVEALED A SLOWLY VENTING PRESSURE SENSOR ON Tile RIGitT BANK TURBOCHARGER. TilER H ANKSAND STOPPED OFTHE(ElSENSOR CYLINDERS WITH PER WAS REPLACEL A TURBOCit 19000016. - RGER FOR EACll BANK. Tills WAS DETERMINED TO BE Tile CAUSE OF Tile PREVIOUS AFTER COMPLETION OF TIIE WORK, Tile ENGINE WAS STARTED AND MONTitLY SURVEILLANCE 149801 WAS SUCCESSFULLY PERFORMED (START NO. IB-90-112). Tile DIESEL WAS DECLARED OPERABLE FOLLOWING COMPLETION OF Till NOTE 4:

PROCEDURE 54065-1,

• TRAIN B DIESEL GENERATOR AND ESFAS TEST- (IDENTICAL TO PROCEDURE 54055 EXCEPT IT IS TRAIN B INSTEAD OF PERFORMED EVERY 18 MONTHS IN ACCORDANCE WITil TECil. SPEC, SECTION 314.8.1.1.2.h. Tills TEST VERIFIES PROPER DIESEL OPERATION DURING LOAD SEQUENCING AND LOAD REJECTION. A COPY OF Tile TECH. SPEC. SECTION AND THE PURPOSE ARESECTION INCLUDED TOOFPROVIDE PROCEDURE Tile 5405 SPECIFIC DIESEL TRAIN A,111US,IS NOTTEST REQUIREMENTS PROVIDED. PLEASE SEEDURING NOTE 1. ESFA

S. PROCEDURE

54065-1,

• TRAIN B DIESEL GENERATOR AND ESFAS TEST

• II AS Tile SAME REQU t

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SUMMARY

OF DIESEL GENERATOR PRESSURE SENSOR PROBLEMS AT V0GTLE UNIT 1 UNIT 2 UNIT 1 1R1 UNIT 1 1R2 POST EVENT INSTRUMENT CONSTRUCTION CONSTRUCTION (9/88-10/88) PRE- OUTAGE FUNCTION PROBLEM (8/85-12/86) (1/88-12/88) OUTAGE PRE-EVENT 3/20-3/25/90 mammmmmmmmmmmmmmmmmmmmmmmmmen L. O. Pres. Out-of-cal. 4 '

2 L. O. Pres. Defective 1 1

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T. O. Pres. Out-of-cal. I 1 T. O. Pres. Defective 1 p-

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