ML18142B884

LER 1975-006-00 for R. E. Ginna, Unplanned Insertion of Greater than 0.5% K/K with Reactor Subcritical

ML18142B884
Person / Time
Site:	Ginna
Issue date:	03/25/1975
From:	White L D Rochester Gas & Electric Corp
To:	O'Reilly J P NRC/IE, NRC Region 1
References
LER 1975-006-00
Download: ML18142B884 (7)

Text

NRC DISTRIBUTION FOR PART 50 DQCI<ET MATERIAL (TEIt/IPORARY FORM)CONTROL NQ:~~~MM FILE.INCID"-!.'T

!'."-PC."..T FI F RQM: Roches ter Gas&Elec.Co~Rochester, N.Y.I DATE OF DOC 3-25-75 4-3-75 XX DATE REC'D LTR TWX RPT OTHER TO: James P.O'Reilly.ORIG i Signed CC OTHER SENT AEC PDR SENT LOCAL PDR XXX XXXX CLASS UNC LASS XXX PROPINFO INPUT NO CYS REC'D DOCKET NO: '50-244.DESCRIPTION:

Ltr.trans the following..

~PLANT NAiiIE: RE Ginna 8i ENCLOSURES:

Abnorm Occurr.8 75-06;on 3-12-75 con-cerning, boron concentration reduced in-advertently from 2068 ppm to 1975ppm..~0 FOR ACTIQI II/liUFQ RMATIQiil"VCR 4-4-75 BUTLER (L)W/Copies CLARK (L)W/t.nnjes PARR fl I W/Copies KNIEL (L)W/Copies S CHWENCER (L)W/Copies STOLZ (L)W/Copies VASSu,i.l O (I}W/t;opies PURPLE (L).W<opies ZIEMAIIIiII(L)

W/Copies DICKER (E)W/Conies KNIGHTON (E)vl/Copies YOUNGBLOOD (E)W/Copies REGAN (E)W/Copies LEAR (L)W/Conies SPF I,R'vV/Copies W/Copies REG F IL TECH REVIEW~SCHROEDF R QGC, ROOI'.1 P-506A MACCARY GOSSI CK/STAF F KNI G HT~CASE PAWLICKI GIAN BUSSO SHAO BOYD STE LLO MOOR E (L)"-+~HOUSTON DEYOUNG (L)'"-~NQVAK SKQVHOLT (L)<<ROSS GOLLER (L)(Ltr)<<IPPOLITQ P;COLLINS-"'EDESCO DENISE LONG REG QPR LAINAS DEFILE 5 REGIOfl (2)BENAROYA'~T.R.iVILSON(A)<<VOLLMER STEELE INTERNAL DISTRIBUTION DFNTOiN GAMIM I LL KASTN ER BALLARD SPANGLER LIC ASST DIGGS (L)'EAR liN (L)GOULBOUR NE KREUTZER (F)LEE (L)MAIG BET (L)REED (E)SERVICE (L)SHEPPARD (L)SLATER (E)Sic)1TH (L)TEETS (L)WILLIAMS (E)Wl LSPN (L)INGRAiUI (L)'.H.~"E.P.J.M.ENVIRO S.MULLER M.DICKER~S.KN,'GHTQIV

~M.YOUNG BLOOD REGAN S.PROJECT LDR G.V.HAR LESS EXT ANAL Dl TRIBUTIOiN.e J.0'/7 INO.BRAIiitiAN SA LTZi'1 AN (L)', MF LTZ PLANS MCDONALD CH'APIVIAN DUBE (Ltr)E.COUP" PETER SOLI HARTFIELD (2)<<KLECKERi EISENHUr WIG G I NTQ8'F.VilLLI!S~>A'g'tt-~LOCAl PDR 1 IC (ABERNA Y)(l)(2)(1-NATIOiNAL LABS NSI C (BUCHAIIIAIN) 1-W.PENiiIINGTON, Rm E.201 GT ASLB 1-CON SU LTAIN TS Iileivton Ant)erson NE Will AR K/8 LUIS/I E/AG BA 6 I AN ACRS 3'.a TG LIC ASST~~SE;D G:~Y TZ!i D aY,"~703.A3 1-PD R.SAN/LA/N Y 1-BRQOKHAVEN

.iAT LAB 1-G.ULFilKSQN, Oi"l L 1-AGMED (RUTH GUSSMAiV Rrn 8-127 GT 1-J.D.RUiIIKLES, Rrn E.201.....GT ROCHESTER GAS AND ELECTRIC CORPORATION PCS 7 0 II K I htKtt D 89 EAST AVENUE, ROCHESTER, N.Y, 14649 LEON D.WHITE, JR.VICE PRESIDENT QCCI(Llil IJRII~<1 I I Ohthtllc*'h~hI March 25, 1975 T E L E P ht O N E ARE*CODE 71K 546-2700 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:

Abnormal Occurrence 75-06, Unplanned insertion of greater than 0.5%+k/k with the reactor subcritical.

R.E.Qinna Nuclear Power Plant, Unit No.1 Docket No.50-244

Dear Mr.O'Reilly:

In accordance with Technical Specifications, Article 6.6.2a, the attached report of Abnormal Occurrence 75-06 is hereby submitted.

Two additional copies of this letter and the attachment are enclosed.Very truly yours, L.D.White, Jr.Attachment cc: Mr.Donald P.Knuth (40)

I~g~

CONTROL BLOCK:~LICENSEE EVENT REPOR'I (PLEASE PRINT ALL REQUIRED IIIIFORMATIOIII)

LICENSEE NAME gg N Y R E G 1 0 7 89 14 15 LICENSE NUMBER 0-0 0 0 0 0-0 0 UCENSE TYPE EVENT TYPE 4 1 1 1 1',~01 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER I D I T~0 5 o-0 2 4~7 8 57 58 59 60 61 EVENT DATE 4 0 3 1 2 7 5 68 69 74 REPORT DATE 0 3 2 5 7 5 75 80 EVENT DESCRIPTION

[oO~]Durin ste s to rovide additional purification of reactor coolant, with the reactor at 7 8 9 80 I cold shutdown, fboron concentration was reduced inadvertently from 2068 ppm to 1975 7 89'0 Innsj ppm,)an insertion of more than 0.5%reactivity.

Boron concentration was restored to 7 8 9 80 Qpg above 2000 ppm in preparation for refueling.(Abnormal Occurrence 50-244/75-06) 7 8 9 IOOI 7 8 9 PIEME SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPLER MANUFACTURER VIDLA11DN[P]~CG D D E MI N X~N W 1 2 0 N 7 8 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION toOs]The procedure to valve in a converted deborating to cation demineralizer was'n 7 8 9[opg]error;a deborating demineralizer was valved in instead.Measures to prevent 80 80 80 80 80 7 89 FACIUTY STATUS IE POWER Q~g G~oo o 7 8 9 10.12 13 FORM OF ACTIVITY COATENT RELEASEO OF RELEASE H H 7 8 9 10 11 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION P~7s~OO O B N A 7 89 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION

~oo o N/A 7 8 9 11 12 OFFSITE CONSEQUENCES

@~5 N/A METHOD OF DISCOVERY DISCOVERY DESCRIPTION b Anal sis of reactor coolant sam le 44 45 46 80 OTHER STATUS N/A LOCATION OF RELEASE AMOUNT OF ACTIVITY N/A N/A 44 45 80 80 80 7 8 9~10 recurrence are given on the attached page.7 t89 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION Qig 2 N/A 7 89 10 PUBLICITY N/A 7 89 ADDITIONAL FACTORS Jig In 1972 cation resins were placed in one of two Deborating Demineralizers after 89 80 80 80 80 NAME: Bruce A.Snow Qqg cation demineralizer failure.7 s 89 80 PHDNE.716-546-2700, Ext.291-214 GPO 882~88T 0 l Licensee Event Report 50-244/75-06 2.Measures to Prevent Recurrence a.Correct the deficient procedure, S-3.3D, Cation Dem'ineralizer Operation.

The corrected procedure was reviewed in a Plant Operations Review Committee Meeting f35-75 on March 14, 1975.b.Provide positive identification of the cation demineralizer at the location of the valve hand wheels.A sign for this location will be completed before May 1, 1975.c.Review other procedures associated with the cation demineralizer to verify adequacy.This was completed on March 18, 1975 by the Operations Engineer.

1 A/~v ,E