ML17252B473

LER 76-051-00 for Dresden 2 Regarding Failure of Unit 2/3 Diesel Fire Pump to Start During Routine Surveillance Testing

ML17252B473
Person / Time
Site:	Dresden
Issue date:	08/25/1976
From:	Stephenson B Commonwealth Edison Co
To:	James Keppler NRC/RGN-III
References
BBS Ltr. #76-627 LER 76-051-00
Download: ML17252B473 (3)

Text

Commonwe9 Edison Dresden Nuclear Power Station R.R. #1 Morris, Illinois 60450 Telephone 815/942-2920 BBS Ltr. 117.6-627 August 25, 1976 j

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Mr *. James G. Keppler, Regional Director Directorate of Regulatory Operations - Region III U. S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137 Enclosed please find Reportable Occurrence report number 50-237/1976-51.

This report is being submitted to your office in accordance with the Dresden Nuclear Power Station Technical Specifications, Section 6i6.B.

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tep *enson Station Superintendent Dresden Nuclear Power Station BBS :jo Enclosure cc: Director of Inspection & Enforcement Director of Management Information & Program Control File/NRC 8808

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LICENSEE EVENT REPORT l CONTROL BLOCK: I 1

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• ..ASE PRINT ALL REQUIRED INFORMATION)

LICENSEE LICENSE *EVENT

~* NAME LICENSE NUMBER TYPE TYPE

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7 8 9 ti:ILIDIRIS 121 14 IOIOl-IOIOIOIDIOl-IOIOI 15 25 141 26 I I (I ( 11 I 10131 30 31 32 REPORT REPORT 7

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.8 CATEGORY I I I 57 58 o:\

59 SOURCE LbJ 60 61 OOCKET NUMBER 68 69 EVENT DATE IO 15101_:..IO 1~13171 10 I 7 I J..1717 I Co I 10 I~ L?--1 Lf I ? I G, I 74 75 REPORT DATE 80 EVENT DESCRIPTION.

[£@ I VURIN(... 'Rou*nNE SURVC"t LL>1,NC.S TESTING: 1 TH£ ilb)IT 1/3 D1E:SE?.-. Fl.RE:. pump 7 8 9 80

!0'31 I FAILEfJ TD START. fOLL-OWiNG- T> 1N RE;SPoN<:£ To L,ow F1R.E mA1Al I 7 8 9 80 lolsl IPRESsue-E:; CONSEQuENTLV / FIR. :;y~T6m oe~RAB1u-r1 Wtl::;- NOT llFFEc[ED. I 7 8 9 BO

[filID S £ ,PORTE 1 IESEL ARb PUMP.

7 8 9 PRME (5Q--;)._$f /'f?(,-5/ BO SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPLIER MANUFACTURER VIJLATION

@I?J IA I B I [gJ I£ IN IG 11 IN I £1 llLJ IC I7 Itf lc2 I IM 7 8 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION Iola! I Tt-tE CAu~£ OF FA1i..1JR£ WAS A 1>G:FECnve- SHvrDOwN S01..£1\Jo1Q VALy£_ Trt£ £LCTR1C11LL~

7 8 9 80 lo' 91 ~RATED Spt..£tJ01Q vAi..ve:. Flt11-E:D ;tJ THC (,LDS£D Pos1T1otJ, 8&oc1<1N(,. FUEL FLDIAJ TO I 7 8 9 . . 80

~ IH-£ /\JG-INC TH-:- l;JAS REPt.JJCD AN fHe ENG-IN: WA~ /'YJANufl/.J_.'I 7 8 9 (SE A TrP.GHCD Sf/ET 80 FACILITY

• METHOD OF STATUS  % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION fill] l.£J.

9 10 ID lq I 51 12 13

/I/A 44 lru 45 . 46 NIJ 80 7 8 FORM OF ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE

[@ ~ l£J . . _ I_ _ _ ;v._A_ _____.I /I/fl I 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION rr:El IO 10 I 01 gj ,________ M_~_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ____,..,.

7 8 9 11 12 1~ 80 PERS'ONNEL INJURIES NUMBER DESCRIPTION

[ill] lo I0101. ~--J'_VA _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _..,.--J 7 8 9 11 12 . 80 OFFSITE CONSEQUENCES Eifil 7 8 9

/\/ff 80 LOSS OR DAMAGE TO FACILITY

• • TYPE DESCRIPTION 7~lgj 8 9 10 '--~/V'.~~;..:--------------------~ 80 PUBLICITY E08 9 7

Nit 80 ADDITIONAL FACTORS

~ 80 7* 8 9 filfil

7. 89 80 NAME: _ _ k.;.;..._,__ lAJ_._C0_£_N _______..,..__ PHONE:EXT* 4-2./

GPO 881*067

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-I CAUSE DESCRIPTION (Continued) started three times for testing purposes. After successful completion of the weekly surveillance test, the pump was returned to service. Replacement of the shutdown solenoid valve is considered sufficient to prevent recurrence.

The Unit 2/3 diesel fire pump engine is a model NHS 61 F marine diesel, man-ufactured by Cummins Engine Company, Inc.