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

5 U.Si NUCLEAR ACGULATOAYCO ION DOCKET NUMBER NRC FOAM 1 50-2/ 4 IZ.7III FILE'l4UMBEA

.NRC DISTRIBUTION FOII" PART 50 DOCKET MATERIAL INCIDEKZ REPORT DATE OF DOCUMENT J.P; O'Reilly FROM'ochestereCas 6 Elec. Corp.

7-15-76 Rochester N.Y. DATE AECEIVEO

.I i E.. D. Whit , Jr.

7-g-76 LETTER 0 NOTOA IZ E D PROP INPUT FORM NUMBER OF COPIES RECEIVED El ORIGINAL ZlUNCLASSIFIEO 1 QCOerj DESCAIPTION ENCLOSURE Ltr.'rans the'following...... Li'censee event report(ROI/76-17) on 6-18-76 concerning Monitoring and Enrichment of

,I Accumulator Boion 'Concentration;............

(1 signed cy recieved)

(2 pgs.)

ACKN0%1 KDGKD Be NOT RzMOVz

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'~"~- RE Ginna>,f/1 NOTE:" IP "'PERSONNEL ZXFOSURE IS INVOIIVEB~cn>~ ~

SEND DIRECTLY TO KREGER/J .COLLINS

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FOR ACTION/INFORMATION CRG 76 BRANCH CHIEF: Pur le

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'"'OCHESTER ELECTRIC CORPORATIO

'F GAS AND AVENUE, ROCHES ( ER, N.Y. 14649 LEON D. WHITE. JR. T t I. t P v 0 h t VICC I'RtSIDtRT 8" e ipt;sa 5JG 2700

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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

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L. D. White, Jr.

Attachment cc: Dr. Ernst Volgenau (30)

Mr. William G. McDonald (3)

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4 LER 76-17/3L

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~ ICENSEE EVENT REPORT ~

CONTROL BLOCK: (PLEASE PRINT ALL REQUIRED INFORIVIATIONg 1 6 UCENSEE UCENSE EVENT NAME LCENSE NUMBER TYPE TYPE

[oaf N Y R E G 1 0 0 0 0 0 0 0 0 0 4 1 1 1 1 L0003~I

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7 89 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 I

EVENT OESCRIPTION uring performance of procedure S-16.11, "Monitoring and Enrichment of Accumulator 7 8 9 80 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 "B"il Accumulator was at proper level. Proper (cont'd.

il i 80 rgg~]

46% 0 under Additional Factors)

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7 89 PRME 80 SYSTEM CAUSE COMPONENT COMPONENT MANUFACTURER 7 8 9 10 11 12 17 43 44 47 48 CAUSE OESCRIPTION toOB] -16.11 did not provide precautions relative to operator remaining at valve controls 7 '89 80

~og during lowering level. As recommended by PORC (meeting 75-76, item 76-932) S-16. 11 7 89 80

~10 as. changed to incorporate the appropriate precautions.

7 89 FACIUTY METHOD OF 80 STATUS  % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION

@~i E ~10 O NA 7 8 9 10 12 13 44 45 46 60 FORM OF ACTIVITY COATENT AMOUNT OF ACTIVITY LOCATION OF RELEASE NA 7 8 9 10 11 44 45 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION IiioI ~00 0 E NA 7 89 11 12 13 60 PERSONNEL INJURIES NUMBER DESCRIPTION tiiol ~00 0 NA 7 89 11 12 OFFSITE CONSEQUENCES 7 89 LOSS OR OAMAGE TO FACILITY TYPE DESCRIPTION 7 69 10 SG PUBLICITY NA 7 89 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 60 NAME'ruce A. Snow PHQNE.7 16/546-2700, ext. 29 1-2 14 4 o>>

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