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 j I 1* August 25, 1976 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. BBS :jo Enclosure cc: Director of Inspection

& Enforcement

' 7 *. tep *enson Station Superintendent Dresden Nuclear Power Station Director of Management Information

& Program Control File/NRC 8808

• • :* ,. *, LICENSEE EVENT REPORT '<._ . CONTROL BLOCK: I 1 1111 * ..ASE PRINT ALL REQUIRED INFORMATION) 6 LICENSEE NAME LICENSE NUMBER ti:ILIDIRIS 121 IOIOl-IOIOIOIDIOl-IOIOI 7 8 9 14 15 25 REPORT LICENSE TYPE 141 I I (I ( 11 I 26 30 *EVENT TYPE 10131 31 32 CATEGORY o:\ REPORT SOURCE OOCKET NUMBER EVENT DATE REPORT DATE --@E)coN'T I I I 7 .8 57 58 LbJ IO 15101_:..IO 10 I 7 I J..1717 I Co I 10 L?--1 Lf I ? I G, I 59 60 61 68 69 74 75 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.*

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 I A I B I [gJ I£ IN I G 11 IN I £1 llLJ IC I 7 I tf lc2 I IM 7 8 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION Iola! I Tt-tE OF FA1i..1JR£ WAS A 1>G:FECnve-SHvrDOwN S01..£1\Jo1Q VALy£_ Trt£ 7 8 9 80 lo'91 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.JJC*D AN fHe ENG-IN*: /'YJANufl/.J_.'I 7 8 9 (S*E A TrP.GHCD Sf/E*T 80 FACILITY

• METHOD OF STATUS % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION fill] l.£J ID lq I 51 /I/A lru NIJ 7 8 9 . 10 12 13 44 45 . 46 80 FORM OF ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY [@ l£J .._I ___ ;v._A __ ____.I LOCATION OF RELEASE I /I/fl 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION rr:El IO 10 I 01 gj ,___ _____ ________________

___,..,. 7 8 9 11 12 80 PERS'ONNEL INJURIES NUMBER DESCRIPTION

[ill] lo I 0101.

___________________

..,.--J 7 8 9 11 12 . 80 OFFSITE CONSEQUENCES Eifil /\/ff 7 8 9 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION 7 8 9 10 80 PUBLICITY E0 Nit 7 8 9 80 ADDITIONAL FACTORS 7* 8 9 80 filfil 7. 89 80 NAME: __ k.;.;..._ , __ lAJ_. _C0_£_N _______ ..,..__ PHONE:EXT*

4-2./ GPO 881*067 l

'.*'"I I -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, ufactured by Cummins Engine Company, Inc.