ML18142B243

LER 1976-029-00 for R. E. Ginna, Unit 1, Core Quadrant Power Tilt Ratio Calculation in Excess of Limit During Dropped Rod Condition

ML18142B243
Person / Time
Site:	Ginna
Issue date:	01/11/1977
From:	White L Rochester Gas & Electric Corp
To:	O'Reilly J NRC/IE, NRC Region 1
References
LER 1976-029-00
Download: ML18142B243 (6)

Text

NRC FORM 195 I2.76)

U.S. NUCLEAR REGULATORY zo- zgc-ION DOCKET NUMBER FILE NUMBER NRC DISTRIBUTION FQR PART 60 DOCKET MATERIAL INCIDENT REPORT TO: FROM: DATE OF DOCUMENT Mr O'Reilly Rochester Gas & Elec Co 1<<11-77 Rochestern, NX DATE RECEIVED L D White 1-14"77 g/LETTER 0 NOTOR IZE 0 PROP INPUT FORM NUMBER OF COPIES RECEIVED 0 OR I G INAL h UNC LASS IF E 0 I

)SCOPY lcc DESCRIPTION ENCLOSU RE Ltr trans the followIIIng: Licensee Event Report (R0876-29)(30 day) on 12-17-78 concerning core quadrant power tilt ratio calculation showed 1.125 in .excess of tech specs limitation", ..... 40e <<+y

@yen,stationary.coilP.circuit~>....>.....,....

PLANT NAME: Ginna ACKNOWLEDGED NOTE: IF PERSONNEL EXPOSURE IS XNVOLVED DO NOT azM6vz SEND DIRECTLY TO KREGER/J, COLLINS FOR ACTION/INFORMATION '-14-77 eh f BRANCH CHIEF: C CCJ M 3 CYS FOR ACTION LIC ~ ASST': 'LV'CRS M CYS CXSWOLBMG S NT ~ C INTERNAL DISTRIBUTION MEG FILE NRC PDR I & E 2 MIPC SCHROEDER/IPPOLITO HOUSTON NOVAK/CHECK GRIMES CASE BUTLER HANAUER TEDESCO/MACCARY EISENHUT BAER SHAO VOLLMER/BUNCH KREGER/J, COLLINS E TERNAL DISTRIBU ION CONTROL NUMBER LPDR:

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NRC FORM 195 I2-76)

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,/~i'j':!,'.":;d . B~RUlBtOFJ Dat,"Itet F>t, ROCHESTER GAS AND ELECTRIC CORPORATION ~ 89 EAST AVENUE, ROCHESTER, N.Y. 14649 LEON O. WHlTE. JR. TCLCPNONC VICC PRCCIDCNT AREA COOC Old 546.2700 January ll, 1977

~~lJ~ i Mr. James P. O'Reilly, Director U. S. Nuclear Regulatory Commission Office of Inspection and Enforcement I qg~

Region I 5o O,@KK@~gP.

631 Park Avenue King of Prussia, Pennsylvania 19406

Subject:

Reportable Occurrence 76-29 (30-day report), Quadrant to average power tilt ratio R. E. Ginna Nuclear Power Plant, Unit No. 1 Docket No. S0-244

Dear Mr. O'Reilly:

In accordance with Technical'Specifications, Article 6.9.2b, the attached report of Reportable Occurrence 76-29, 30-dayc is hereby submitted. Two additional copies. of this letter and the attachment are enclosed.

Very truly yours,

~KAAP L. D. White Attachment DOCKERO r

OCHRE cc: Dr. Ernst Volgenau (30)

Mr. William G. McDonald (3) JAbl 1 0 187 QL U.S. ae~

COMM I 55 A4al Eddy

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LER 76-29/3L CONTROL BLOCK:

~ LICENSEE EVENT. REPOR'Q (PLEASE PRINT ALL REQUIRED INFORMATION)

LICENSEE NAME LICENSE NUMBER LICENSE

'YPE

~ EVENT TYPE

[Oaf NY R E G 1 0 0 0 0 0 0 0 0 0 4 1 1 1 1 ~03

~

7 89 14 15 25 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE OOCKET NUMBER EVENT OATE REPORT OATE

[OD1]CON'I L L 0 5 0 0 2 4 4 1 2 1 7 7 6 0 1 1 1 7 7 7 8 57 58 59 60 61 68 69 74 75 80 I

EVENT DESCRIPTION Jog Durin a dro ed rod condition see LER 76-28 core uadrant ower tilt ratio calcula-'

8 9 80 tion showed 1. 125, in excess of limit of l. 12. Unit was placed in hot shutdown mode.

7 89 80 toO4] (Re ortable Occurrence 76-29, 30-da ).

7 8 9 80

[oaf 7 8 9 80

[oaf 7 8 9 PIEME 80 SYSTEM CAUSE COMPONENT COMPONENT COBE COBE COMPONENT COBE SUPPUER MANUFACTURER gQ~RB ~E CO N RO D W 1 2 0 N 7 8 9 10 11 12 17, 43 47 48 CAUSE DESCRIPTION t00I Insertion of control rod P-12 with reactor at 48% power. Name plate data and 7 8 9 80

[opg] corrective action taken are described in LER 76-28.

7 8 9 80

~10 7 89 80 FACILITY METHOO OF STATUS  % POWER OTHER STATUS OISCOVERY OLSCOVERY OESCRIPTION 7 8 9 E ~og 3 NA 44 uadrant ower tilt calculation 10 12 13 45 46 80 FORM OF ACTIVITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE I118 B ~B NA NA 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NA 7 8 9 . 11 12 13 80 PERSONNEL INJURIES NUMBER OESCRIPTION

~4 ~00 o NA 7 89 11 12 80 OFFSITE CONSEQUENCES Q~g NA 7 89 80 LOSS OR DAMAGE TO FACILITY TYPE OESCRIPTION

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

[isa] I 7 89 G. P. Larizza PHDNE 7 1 6/5 4 6 2 7 0 0, ext ~

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