ML18142B276

LER 1976-20-00 for R.E. Ginna, a Accumulator Level Below Technical Specification Limit

ML18142B276
Person / Time
Site:	Ginna
Issue date:	07/19/1976
From:	White L Rochester Gas & Electric Corp
To:	O'Reilly J NRC/IE, NRC Region 1
References
LER 1976-20-00
Download: ML18142B276 (6)

Text

NRC FOAM 1 5 U.Si NUCLEAR ACGULATOAY CO IZ.7III.NRC DISTRIBUTION FOII" PART 50 DOCKET MATERIAL ION DOCKET NUMBER 50-2/4 FILE'l4UMBEA INCIDEKZ REPORT J.P;O'Reilly.I i LETTER El ORIGINAL QCOerj 0 NOTOA IZ E D ZlUNCLASSIFIEO PROP INPUT FORM FROM'ochestereCas 6 Elec.Corp.Rochester N.Y.E..D.Whit , Jr.DATE OF DOCUMENT 7-15-76 DATE AECEIVEO 7-g-76 NUMBER OF COPIES RECEIVED 1 DESCAIPTION Ltr.'rans the'following......,I ENCLOSURE Li'censee event report(ROI/76-17) on 6-18-76 concerning Monitoring and Enrichment of Accumulator Boion'Concentration;............

(1 signed cy recieved)(2 pgs.)ACKN0%1 KDGKD Be NOT RzMOVz~~gmwQtaT i'3'iII'/~~4<<t 1PJ'~"~-RE Ginna>,f/1 NOTE:" IP"'PERSONNEL ZXFOSURE IS INVOIIVEB~cn>~

~SEND DIRECTLY TO KREGER/J.COLLINS BRANCH CHIEF:{KS..POR~ZEOM.-

IIC~ST.: Pur le FOR ACTION/INFORMATION CRG'-1-76 SEN', TO ZA: "~,;INTERNAL DISTRI BUTION---NR-PDR--SGHRQEDER IPPOLITO UBKlN.NOVAK CHECK GRIMES CASE*<<TEDESCO MACCARY EISENHUT-BAER-'HAO VOLLMER BUNCH--..KREGER J.COLLINS LPDR: 'Roc ester TIC: EXTERNAL DISTRIBUTION CONTROL NUMBER 72 r f ,1 r 4 0"'

9 ill@'~l"k'~>!I/,/"lj'l";'"'OCHESTER GAS AND ELECTRIC CORPORATIO

~~'tr~w,'F AVENUE, ROCHES (ER, N.Y.14649 LEON D.WHITE.JR.VICC I'RtSIDtRT 8" e T t I.t P v 0 h t ipt;sa 5JG 2700+yA c../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 Subject.Reportable Occurrence 76-17 (30-day report),"A" Accumulator level below Technical Specification limit"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 76-17, 30-day, is hereby submitted.

Two additional copies of this letter and the attachment are enclosed.Very truly yours, t r tr/L.D.White, Jr.Attachment cc: Dr.Ernst Volgenau (30)Mr.William G.McDonald (3)

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~s CONTROL UCENSEE NAME[oaf N Y R E G 7 89 4 LER 76-17/3L~ICENSEE EVENT REPORT~BLOCK: (PLEASE PRINT ALL REQUIRED INFORIVIATIONg 1 6 UCENSE EVENT LCENSE NUMBER TYPE TYPE 1 0 0-0 0 0 0 0-0 0 4 1 1 1 1 L0003~I 14 15 25 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVENT DATE REPORT DATE Qogcoov~~L~L 0 6 0-0 2 4 4 0 6 1 6 7 6 0 2 1 6 2 6 7 8 57 58 59 60 61 68 69 74 75 80 EVENT OESCRIPTION uring performance of procedure S-16.11,"Monitoring and Enrichment of Accumulator 7 8 9 80 I Boron Concentration,""A" Accumu drain valve was opened with controls at the rear of 7 89 80~04 ontrol board.The operator then proceeded to front of control board to monitor level 7 8 9 80 Qpg indicators reading more conservative than those at the rear, and noted level lowered to 0 il il i~80 rgg~]46%"B" Accumulator was at proper level.Proper (cont'd.under Additional Factors)COMPONENT MANUFACTURER 47 7 89 PRME SYSTEM CAUSE COMPONENT 7 8 9 10 11 12 17 43 44 48 CAUSE OESCRIPTION toOB]-16.11 did not provide precautions relative to operator remaining at valve controls 80 7'89 80~og during lowering level.As recommended by PORC (meeting 75-76, item 76-932)S-16.11 7 89~10 as.changed to incorporate the appropriate precautions.

80 OTHER STATUS AMOUNT OF ACTIVITY OFFSITE CONSEQUENCES 7 89 FACIUTY STATUS%POWER@~i E~10 O 7 8 9 10 12 13 FORM OF ACTIVITY COATENT 7 8 9 10 11 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION IiioI~00 0 E NA 7 89 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION tiiol~00 0 NA 7 89 11 12 METHOD OF DISCOVERY 44 45 46 44 45 DISCOVERY DESCRIPTION NA LOCATION OF RELEASE NA 80 60 60 7 89 LOSS OR OAMAGE TO FACILITY TYPE DESCRIPTION 7 69 10 PUBLICITY 7 89 NA SG 60 AOOITIONAL FACTORS[ice](cont'd.from Event Description) level was restored in 11 minutes.Corrective Action 7.8-9 60 Report 1081 was issued and documents the PORC-recommended actions.(Reportable

~19 Occurrence 76-l7, 30-day).7 89 NAME'ruce A.Snow 60 PHQNE.7 16/546-2700, ext.29 1-2 14'ERIC 0 4 o>>

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