ML18142B897

LER 1975-012-00 for R. E. Ginna, (30-Day Report), Charging Pump Discharge Drain Line Pinhole Leak

ML18142B897
Person / Time
Site:	Ginna
Issue date:	01/08/1976
From:	White L Rochester Gas & Electric Corp
To:	O'Reilly J NRC/IE, NRC Region 1
References
LER 1975-012-00
Download: ML18142B897 (6)

Text

REPORT FI!NRC DISTRIBUTION FOR PART 50 DOCKET MATERIAL , (TEMPO RAR Y FORM)GONTRO NO:~FILE INCIDENT FROM.oc esiter.Gas 8 Elec.Corp'Rochester, N.Y,'L.D Ilhite, Jr;DATE OF DOC DATE REC'D 1-8-76 LTR'WX RPT OTHER TOo J.P.0" Rei l ly S ORIG CC SENT AEC PDR SENT LOCAL PDR CLASS UNC LASS XXX PROP INFO INPUT NO CYS REC'D DOCKET NO: DESCRIPTION:.Letter trans the following.......

~~~~ENCLOSURES:

Reportable Occurrences'5-lg, on 12-14-76 Concerning Charging Pump.discharge drain line pinhol e-leak..'.:., I~~~(1 Gopy Received)PLANT flAME: RE Ginna 0'0 FOR ACTION/INFO RMATIOi 1I BUTLER (L)W/Copies CLARK{L)W/Cooies PARR (L)W/Copies KNIEL{L)W/Copies SCHWENCER (L)ZIEMANN (L)REGAN{E)W/Copies W/Copies W/Copies+CKQQ+J EDOED STOLZ (L)DICKER (E)LEAR (L}W/Cooies W/Cooies W/Copies VASSALLO (I)KNIGI-!TON (E}SPFLS DQ QQT gEMQyg W Copies W/Copies W/Copies RPLE (L)YOUNGBi OOD (E)REID VIQCopies Ytr Copies W/Copies INTERNAL DISTR I BUTION EG F IL-TECH REVIEW..M.~N~SCHROEDE R OGC, ROOM P.506A~ilACCARY'OSSI CK/STAF F KNI G HT~CASE PAWLICKi SHAO BOYD~~STE LLO MOORE{L)+-HOUSTON DEYOUNG (L)+~NOVAK SKOVHOLT (L)<<ROSS GOLLER (L)(Ltr)~IPPOLITO P.COLLINS dPTE D ESCO DENISE J.COLLINS REG OPR LAI NAS WFI~E Bi liEG1ON 12)BENAROYA~.>'<P0/P (3)~VOLLMER STEELE DENTON.~'GRiMES GAMMI LL KASTNE R BALLARD SPANGLER LIC ASST R.DIGGS (L)H.GEAR IN (L)E.GOULBOURNE (L)P.KREUTZER (E)J.LEE (L)M.RosHBR00K (L)S.REED{E)M.SE VICE (L)HEPPARD (L)M.SLATER (E)H.SMITH (L)S.'EETS (L)G.WILLIAMS (E)V.WILSON{L)R.INGRAM (L)H DUNCAN ENVI RO MULLER DICKER KNiiGH TON YOUNGBLOOD BEGAN PROJECT LDR HAR LESS EXTFRNAL DISTRIBUTiON A/T IND.BRAITMAN SA LTZivIAN MELTZ PLANS MCDONALD CHAPMAN.DUBE (Ltr)E.COUPE PETERSON HARTFIELD (2)m KLECKER EISENHUT'Wl GG INTON~F.HILLIA~IS i-~1-~1-~t5'-LOCAL PDR.Lgan.'<A Rochester, N.Y.TIC (ABERNATHY)

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-NATIONAL LABS NSIC (BLICHANAN),'I-W.PENNINGTON, Rm E-20I GT ASLB 1-CONSULTANTS Newton Anderson NEWM ARK/0 LUME/AG BABIAN ACRS GENT"2 TO LXC ASST S~Sheppard SEND ONLY TEN DAY REPORTS 1-PD R-SAN/LA/N Y 1-BROOKHAVEN NAT LAB 1-G.ULBIKSON, ORNL 1-AGMED (RU rI-I GUSSMAfl)Rm 8-127 GT 1~J.D.RUNKLES, Rm E-201 GT e~e e~J~e~e~~

J"(",~~,957 P'i@i'iV ROCHESTER GAS AHO EL R ega(ate (7'H D 89 EAST AVENUE, ROCHESTER,"H.Y.

14649 nae e roar JIAI C LEON O.WHITE.JA.VJCC JeRCSJDC(JT reertP pe ll'~gy gS7~8%II JI January 8~1976 TCCCJ~JPJJC AncA cppc 7JC 546-2700 t~Mr.James P.O'Reilly, Director U.S.Nuclear Regulatory Commission Office of Inspection and Enforcement.

Region I 631 Park Avenue King of Prussia, Pennsylvania 19406>ARI Qp6~$I e JIRy jo+oII Sec((on Subject.Reportable Occurrence 75-12 (30-day report), Charging Pump discharge drain line pinhole leak R.E.Ginna Nuclear Power Plant, Unit No.1 Docket No.50-244

Dear Mr.O'Reilly:

In accordance with Technical Specifications, Article 6.9.2b, the attached report of Reportable Occurrence 75-12, 30-day, is hereby submitted.

Two additional copies of this letter and the attachment are enclosed.Very truly yours, ge'41 QP..L.D.White, Jr.Attachment cc: Mr.Donald F.Knuth (30)Mr.William G.McDonald (3)'236

'la ur I E N lt'(t A CONTROL BLOCK CENSEE EVENT REPORT (PLEASE PAINT ALL AEQIj!AEO INFOAMATIOIIj 1 6 LICENSEE NAME UCENSE NUMBER Jog N Y R E G 1 0 0-0 0 0 0 0 7 89 14.15 0 0 25'ICENSE'VENT TYPE TYPE 4 1 1 1 1~03 26 30 31 32 CATEGORY TYPE SOURCE REPORT REPORT DOCKET NUMSER EVENT DATE REPORT DATE[oa~IcoN7~L L p 6 p-0 2 4 4 1 2 1 4 7 5 0 1 0 6 7 6 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION Jog During inspection round, a pinhole was noted in a 1/2" socket weld on the"B" charging 7 8 9 80 I pump discharge drain line.The two other charging pumps were operable.The affected 7 89 80~os pump was immediately isolated.The weld was cut out and replaced as described below 7 8 9 80[op~]and per approved maintenance and welding procedures.(Reportable Occurrence 75-12, 7 8 9 o 6 30 day)80 7 8 9 SYSTEM CAUSE CODE CODE COMPONENT CODE~pC~A P I P 2 X X 7 8 9 10 11 12 17 CAUSE DESCRIPTION tQDB]The cause of the leak was a faulty 80 COMPONENT MANUFACTURER Z 9 9 9 47 48 43 weld.To insure integrity of the piping section, 7 8 9 80 Jog=involved, which included the repaired leak reported on 11/15/75, the affected drain 80 7 89 FACILITY STATUS%POWER Qg~z~io o NA 7 8 9'0 12 13 FORM OF ACTIVITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY Q1g M M Not discernible 7 8 9 10 11 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q~g~oo o 6 NA 7 8 9 11 12 13 PERSONNEL INJURIES NUMSER OESCRIPI'ION

~a~oo o NA 7 89 11 12 METHOD OF DISCOVERY OTHER STATUS , DISCOVERY DESCRIPTION Visual b 44 45 46 I II LOCATION OF RELEASE Auxiliary Building vent to atmosphere 80 44 45 80 80 80 OFFSITE CONSEQUENCES

~Q~g No discernible increase in either release rate or leakage rate.7 8 9 BO~10 piping section was removed and refabricated with new (cont'd.under Additional Factors)I 7 89 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION H 7 89 10 PUBLICITY Qr]7 89 NA 80 80 80'DDITIONAL FACTORS.~18 (cont'd.from Cause Description) piping.All new welds of the piping replacement 7 89 Q~g received liquid penetrant examination per quality control requirements.

80 7 89 NAME: D.P.Hamelink 80 PHDNE.716/546-2700, ext.291-2 15 GPO OIII.66T

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