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 Rochester Gas & Electric Corp
To:	O'Reilly J NRC/IE, NRC Region 1
References
LER 1976-027-03
Download: ML18142B229 (8)

Text

~ U.S. NUCLEAR REGULATORY COMMISSION DOCKET NUMBER FILE NUMBER NRC DISTRI8UTION FDR PART 50 DOCKET MATERIAL INCIDENT REPORT FROM:ROCHESTER GAS & ELEC. CORP. DATE OF J.P.O'REXLLY, DOCUMENT'ATE ROCHESTER, N.Y.

'L.D. WHITE, JR. ~ RECEIVED Q LETTE R ONOTOAIZED PROP INPUT FOAM NUMBER OF COPIES RECEIVED QOAIGINAL EBUNCLASSIFIED K)CO> Y DESCAIPTION ENCLOSURE 1'TR'RANS THE FOLLOWXNG 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.......

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UPDATE LICENSEE EVQP REPORT 1/ 76-30, 30 DAY ON (1P) . 12/17/76. CONCERNIg+LXQUPJ"%EARP, FROM THE "A" MIXED. BED SEMINERAL'IZQR I%K'ET~~QIg M k4I II';I)K:

PLANT NAME' E GINNA 4/

I" SAB NOTE ~ IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/Jo COLLINS FOR ACTION/INFOFIMATI ON

'RANCH CHIEF!

W 3 CYS FOR ACTION LIC, ASST'!

W /CYS ACRS / CYS 14Ch5%NG S NT INTERNAL DISTRI BUTION

'NRC PDR MIPC

~ SCHROEDER/IPPOLITO HOUSTON NOVAK/CHECK GRIMES BUTLER IIANAUER TEDESCO/MACCARY EISENHUT BAER SHAO VOLLMER/BUNCH KREGER/J COLLINS EANAL DISTRIBUTION CON OL NUMBER LPDR:

TIC:

71540052 NAC FORM 105 I2.ld)

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'iI'4'"7/ "'"PW Pi i't.i<IL'/74Ii W'"W ROCHESTER GAS AND ELECTRIC CORPORATlON 89 EAST AVENUE, ROCHESTER,, N.Y. 14649 LEON D. WHITE. JR. TCLCPNONC VICC PACSIDCNT iPCi CONC TIO 54G 2700 May 27, 1977 r

Mr. James P O'Reilly, Director

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8 > ge 'Ctt U. S. Nuclear Regulatory Commis%%8 g UN 2 3977~

Office of inspection and Enforcement Region I

'EI re' ~I g..S. IIIIC'C">RUU5h5kV

>Ncll54rtbe 63 1 Park Avenue King of Prussia, Pennsylvania 19406

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)

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LER 76-27/30 Update Report Previous Report Date 1/4/77 CONTROL BLOCK:

Q.IOENSEE EVENT REPORT

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fPLEASE PAINT ALL REQVIREO IiNFORIViATION)

LICENSEE UCENSE EVENT NAME UCENSE NUMBER TYPE TYPE

[op~j N Y R B G 1 0 0 0 0 0 0 0 0 0 O 1 1 1' ~03

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7 89 14 15 25 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVENT DATE REPORT DATE 0

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[oO~]corn 8 57 58 0

59 L

60 61 0 5 0 2 4 4 68 69 1 2 1 6 7 6 74 '50 5 2 7 7 7 80 EVENT DESCRIPTION gg During normal rounds 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 ~

7 89 80 (Reportable Occurrence 76-27, 30-day) .

7 8 9 80 toom 7 8 9 80 tm 7 8 9 PA VIE 80

. SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPUER MANUFACTURER VGIATION

[ocvj ~CG B P I P B X X ~N B 1 3 0 N 7 8 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION A pinhole leak was found fn socket weld between pipe and elbow. Weld was built up 7 8 9 80

~09 in area of leak, and a visual inspection performed upon return of system to service ver 7 8 9 80 Q~g ified leak was stopped. This section of line was (cont'd. under Additional Factors) 7 89 80 FACILITY METHOD OF STATUS  % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION gg8 7 9 B ~io 10 o

12 13 NA 44 b

45 46 0 erator makin rounds FORM OF

. 80 AMOUNT OF ACTIVITY LOCATION OF RELEASE 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES 7 89 11 12 13 80 PEFISONNEL INJURIES NUMBER DESCRIPTION

~4 ~oo o NA 7 8 9 . 11 12 80 OFFSITE CONSEQUENCES NA 7 8 9 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION

~16 NA 7 89 10 80 PUBLICITY 7 89 80 ADDITIONAL FACTORS

[J>QB (cont'd. from Cause Description) replaced during refueling shutdown to remove weld 7 89 80 Qg 7 89 which had been leaking. CAR llllwas issued to document this corrective action.

80 NAME: ames Witte/D. Hamelink pgONE', 7 1 6/546-2 700, ext. 29 1 -2 1 5 GPO 661 6 61

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~ l e LER 76-30/30 UDdate Report Previous Report Date 1/12/77 CONTROL BLOCK

~ ICENSEE EVENT REPORT fPLEAGE PRINT ALL RECIUIRED INFORMATION) 1 6 UCENSEE LICENSE EVENT NAME LICENSE NUMBEA TYPE 'TYPE Qg09 N Y R E G 1 0 0 0 0 0 4 LBO~J

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7 14 15 25 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVENT DATE AEPOAT DATE

~cl cowl 0 L 0 5 0 0 2 4 4 1 2 1 7 7 0 5 2 7 7 7 7 8 57 58 59 60 61 68 69 74 75 80 I

EVENT DESCRIPTION During normal rounds an operator discovered liquid leaking from the "A" mixed bed 7 8 9 80 demineralizer inlet pipe . (Reportable Occurrence 76-30, 30-day) .

7 09 80 t00j4 7 8 9 80 Jog 7 0 9 80

[0DQ 7 09 PAVE 80 SYSTEM CAUSE COMPONENT COMPONENT MANUFACTUREA

~IB CODE CODE COMPONENT CODE SUPPUER VIOIATKIN tocC>~ILcGCa P I P E x x N B 1 3 0 N 7 8 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION Q~g Pinhole leak in weld between pipe and elbow. Hole was ground out and repaired using 7 0 9 80

[pgg] proper welding procedure. The piping was visually inspected for leakage after return 7 8 9 80 Q~g to service. CAR 1114 was issued for this event.

7 89 METHOD OF 80 FACILITY STATUS POWER OTHER STATUS DISCOVERY ~ DISCOVERY DESCRIPTION 7

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12 13 NA 44 45 b

46 0 erator makin rounds FOAM OF 80 ACTIVITY COATENT AELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE Qg H sj NA 7 8 9 10 11 44 45 00 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Pg~oo 7 8 9 o B 12 13 NA 11 80 PERSONNEL INJURIES NUMBER DESCRIPTION fig ~00 0 NA 7 09 ~

11 12 80 OFFSITE CONSEQUENCES Qg NA 7 09 00 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION Q~g s 7 09 10 80 PUBLICITY Q~~] ~ e ~ i +II'lI Ej

$ Pl, 7 89 80 ADDITIONAL FACTORS l,lJ ~

NA 7 89 80 7 09 80 NAME: , Dave Hamelink PHDNL.".

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