ML18142B229

LER 1976-027-03 for R.E. Ginna, Leak in Letdown Diversion Line on 12/16/1976, and LER 1976-030-03 a Mixed Bed Demineralizer Inlet Piping Leak

ML18142B229
Person / Time
Site:	Ginna
Issue date:	05/27/1977
From:	White L D Rochester Gas & Electric Corp
To:	O'Reilly J P NRC/IE, NRC Region 1
References
LER 1976-027-03
Download: ML18142B229 (8)

Text

~U.S.NUCLEAR REGULATORY COMMISSION NRC DISTRI8UTION FDR PART 50 DOCKET MATERIAL DOCKET NUMBER FILE NUMBER INCIDENT REPORT J.P.O'REXLLY, FROM:ROCHESTER GAS&ELEC.CORP.ROCHESTER, N.Y.'L.D.WHITE, JR.~DATE OF DOCUMENT'ATE RECEIVED Q LETT E R QOAIGINAL K)CO>Y ONOTOAIZED EBUNCLASSIFIED PROP INPUT FOAM NUMBE R OF COPIES RECEIVED DESCAIPTION 1'TR'RANS THE FOLLOWXNG PLANT NAME'E GINNA 4/SAB I" I:.~(1P).ENCLOSURE UBDATE LICENSEE EVENT REPORT/f 76-27, 30 DAY ON 12/16/76 CONCERNING LIQUID COMING THROUGH INSULA ION ON 2" LE'ZDOWN DIVERSION LINE.......

UPDATE LICENSEE EVQP REPORT 1/76-30, 30 DAY ON 12/17/76.CONCERNIg+LXQUPJ"%EARP, FROM THE"A" MIXED.BED SEMINERAL'IZQR I%K'ET~~QIg M k4I II';I)K: NOTE~IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/Jo COLLINS'RANCH CHIEF!W 3 CYS FOR ACTION LIC, ASST'!W/CYS ACRS/CYS 14Ch5%NG S NT FOR ACTION/INFO FIMAT I ON INTERNAL DISTRI BUTION'NRC PDR MIPC~SCHROEDER/IPPOLITO HOUSTON NOVAK/CHECK GRIMES BUTLER IIANAUER TEDESCO/MACCARY EISENHUT BAER SHAO VOLLMER/BUNCH KREGER/J COLLINS LPDR: TIC: EANAL DISTRIBUTION CON OL NUMBER NAC FORM 105 I2.ld)71540052 o~o o~~o g Io o~o~o~~, ll'gV o~~~o~o a~oo I~)II~

r Qg P i'iI'4'"7/"'"PW i't.i<IL'/74Ii W'"W ROCHESTER GAS AND ELECTRIC CORPORATlON PI~~0~rake 89 EAST AVENUE, ROCHESTER,, N.Y.14649 LEON D.WHITE.JR.VICC PACSIDCNT May 27, 1977 TCLCPNONC iPCi CONC TIO 54G 2700 Mr.James P~O'Reilly, Director U.S.Nuclear Regulatory Commis%%8 Office of inspection and Enforcement Region I 63 1 Park Avenue King of Prussia, Pennsylvania 19406 r 8>ge'Ctt g UN 2 3977~'EI g..S.IIIIC'C">RUU5h5kV re'~I>Ncll54rtbe

Subject:

Supplemental reports on Reportable Occurrences:

76-27 (30-day report)Leak in letdown diversion line 76-30 (30-day report)"A" mixed bed demineralizer inlet piping leak R.E.Qinna Nuclear Power Plant, Unit No.1 Docket No.50-244

Dear Mr.O'Reilly:

The purpose of this letter is to provide you with corrected component manufacturer information in connection with the subject reports which were submitted January 4 and January 12, 1977 respectively.

The attached update reports LER 76-27/30 and LER 76-30/30 provide this information.

Two additional copies of this letter and the attachments are enclosed to conform to the original submittal of LER 76-27/3L and LER 76-30/3L.Very truly yours, L.D.White Jr.cc: Dr.Ernst Volgenau (30)Mr.William G.McDonald (3).77g540052.

ao~4~\J I I"$'d LER 76-27/30 Update Report-Previous Report Date 1/4/77 Q.IOENSEE EVENT REPORT+CONTROL BLOCK: f PLEASE PAINT ALL REQVIREO IiNFORIViATION)

LICENSEE NAME[op~j N Y R B G 1 0 7 89 14 15 UCENSE NUMBER 0-0 0 0 0 0-0 0 25 EVENT TYPE UCENSE TYPE O 1 1 1'~03 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE[oO~]corn~0 L 7 8 57 58 59 60 EVENT DESCRIPTION gg During normal rounds DOCKET NUMBER EVENT DATE REPORT DATE 0 5 0-0 2 4 4 1 2 1 6 7 6 0 5 2 7 7 7 61 68 69 74'5 80 operator noticed liquid coming through insulation on 2" letdown 7 8 9 80 tOQ3)diversion line~Upon return to steady state letdown condition, line was isolated~80 7 89 (Reportable Occurrence 76-27, 30-day).7 8 9 toom 7 8 9 tm COMPONENT MANUFACTURER N 47 7 8 9 PA VIE.SYSTEM CAUSE COMPONENT CODE CODE COMPONENT CODE SUPPUER VGIATION[ocvj~CG B P I P B X X~N B 1 3 0 7 8 9 10 11 12 17 43 44 48 CAUSE DESCRIPTION A pinhole leak was found fn socket weld between pipe and elbow.Weld was built up 80 80 80 7 8 9 80~09 in area of leak, and a visual inspection performed upon return of system to service ver 80 7 89 FACILITY STATUS%POWER gg B~io o 7 8 9.10 12 13 FORM OF 7 8 9 10 11 PERSONNEL EXPOSURES 7 89 11 12 13 PEFISONNEL IN JURIES NUMBER DESCRIPTION

~4~oo o NA 7 8 9.11 12 METHOD OF DISCOVERY DISCOVERY DESCRIPTION 0 erator makin rounds OTHER STATUS b NA 44 45 46 80 LOCATION OF RELEASE AMOUNT OF ACTIVITY 44 45 80 80 80 OFFSITE CONSEQUENCES NA 7 8 9 80 Q~g ified leak was stopped.This section of line was (cont'd.under Additional Factors)7 8 9 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION

~16 7 89 10 PUBLICITY NA 80 80 7 89 ADDITIONAL FACTORS[J>QB (cont'd.from Cause Description) replaced during refueling shutdown to remove weld 7 89 Qg which had been leaking.CAR llll was issued to document this corrective action.80 80 7 89 NAME: ames Witte/D.Hamelink 80 pgONE', 7 1 6/546-2 700, ext.29 1-2 1 5 GPO 661 6 61

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~l e CONTROL BLOCK LER 76-30/30 UDdate Report-Previous Report Date 1/12/77~ICENSEE EVENT REPORT f PLEAGE PRINT ALL RECIUIRED INFORMATION) 1 6 UCENSEE NAME LICENSE NUMBEA LICENSE TYPE EVENT'TYPE Qg N Y R E G 1 0 0-0 0 0 7 09 14 15 4 25 26 LBO~J 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER~clcowl~7 8 57 58 0 L 0 5 0-0 2 4 59 60 61 EVENT DATE AEPOAT DATE 4 1 2 1 7 7 0 5 2 7 7 7 68 69 74 75 80 EVENT DESCRIPTION During normal rounds an operator discovered liquid leaking from the"A" mixed bed 7 8 9 I demineralizer inlet pipe.(Reportable Occurrence 76-30, 30-day).7 09 t00j4 7 8 9 Jog 7 0 9[0DQ 80 80 80 80 7 09 PAVE SYSTEM CAUSE COMPONENT CODE CODE COMPONENT CODE SUPPUER VIOIATKIN tocC>~ILcGCa~IB P I P E x x N B 1 3 0 N 7 8 9 10 11 12 17 43 47 CAUSE DESCRIPTION Q~g Pinhole leak in weld between pipe and elbow.Hole was ground out and repaired using 80 COMPONENT MAN UFACTUREA 44 48 7 0 9 80[pgg]proper welding procedure.

The piping was visually inspected for leakage after return 7 8 9 Q~g to service.CAR 1114 was issued for this event.80 OTHER STATUS NA AMOUNT OF ACTIVITY OFFSITE CONSEQUENCES 7 89 FACILITY STATUS POWER Eg LEJ~io o 7 0 9 10 12 13 FOAM OF ACTIVITY COATENT AELEASEO OF RELEASE Qg H sj NA 7 8 9 10 11 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Pg~oo o B NA 7 8 9 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION fig~00 0 NA 7 09~11 12 METHOD OF DISCOVERY b 44 45 46 44 45~DISCOVERY DESCRIPTION 0 erator makin rounds LOCATION OF RELEASE 80 80 00 80 80 Qg 7 09 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION Q~g s 7 09 10 PUBLICITY Q~~]7 89 ADDITIONAL FACTORS 7 89 NA NA$Pl,~e~i+II'lI Ej l,lJ~00 80 80 80 7 09 NAME: , Dave Hamelink 80 PHDNL.".7 1 6/5 4 6-2 7 0 0, ex t~2 9 1-2 1 5 GPO 8

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