ML18142A983

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LER 1976-007-00 for R. E. Ginna, Concerning Relay for Train a Containment Isolation and Containment Ventilation Isolation Failure to Latch
ML18142A983
Person / Time
Site: Ginna Constellation icon.png
Issue date: 02/28/1976
From: Platt C
Rochester Gas & Electric Corp
To: O'Reilly J
NRC/IE, NRC Region 1
References
LER 1976-007-00
Download: ML18142A983 (12)


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ROCKIEST'M'AS ANN ELECYREC CORMRAT!oil e 89 FAST AVEhfQE, ROCHESTER. IZ.Y. l4649

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a+a~ cosa ~re 546-Z'YoO Gin+a Station February 28, 1976

% ~ James P. O'Really'.

~] g5 S. Nuclear RegmatorT Ccmission Mrectorate o Rep~tozy Operations Region 1 631 Park A~-cnue King of'russia, Penn~1venia 3.9406 SubJect: Bcportab3.e Occurrence f76-99: A>nor~ DegraCation of Stea-Generator Toocs D ar Pm. O'Heil+:

This is to confer. g phone call to Pz. John?fannon, on ."-e a=:- 2":, 975, to report Abnorma1 Occu rance F76-08 et Ginna Station.

A program o plaxmM eddy current: e-azu9.n~ ion ~~ conduct.eR on both 1o.-.p "A" an4 "8 steam generators at the Ginna Sta ion Wcn Feb~ary 3.5th to February 27, 1976, durS.ng, +he pr ese" re~~eling turbine ~~tenaace outage. ~s programs sp cH'S.e6 eum~nations at ~03 %R to detect aa6 casure ym'antis.i tube Cef'ects anl at 2$ KiK to provMe a profile of slv8gc deposits.

r I 100 percent Snipe tion of both steam generators {hot and cold. legs) <em a rforxetX. As a result of this effort, 39 t..bes frere ep3.os"very pluge6 in the "A" stean gener*%or ad@ 2 in the "8" team gewera o=. These ubes had.

cxh"-bitc8 tvhe mal). 6etcriorat~on in c-.xcess o 40 percent.

Very trav yours, Cha-1es Z. Pla" Superint enQent CEP ig cc Bz. G. Z. Svez<hout,~ RGF Cog.

Hr. T. B. Wite, Jr.MM Corp.

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o 89 EAST AYEHVE, ROCHESTER, H.Y. 14504

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~ its CO=t "~ 545 2 Ginaa Station Barch 9, 1976

.'r. Jm.cs Pi D'Reilly U~ 8. nuclear !eguXatory Comkssion Mrectoratc af Regulatory Qperations Region 1 63E Park Ave.

FATE@ of Prfzesia, Pennsylvania l94OS REiiCT: Pepartable Occurrcace -'76-3.1 Contro1 Ra".~ Charcoal Hlter Beeper Xaproperly Positioned Bear 4 O'Peilly-This S.s tc cuba.:i~ ay phoae call to Yg. Bat @vis on Parch 8, 1976, to redo t e $ aprop"r pooktioning of one af the Wo doers for the contxoL -om charcoal fil,ter cysts .

Rhino.conductin. a Qev check on the control room chercoaL filter svstc on 3-9-76, i.t ~as discovered that one o+ the ceo darmere air Qaw turovgh. the charcoaE filters curing thar. controls 25" of t>e controE a radiation r racy "as Kn t.".c v-.

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positian. Xnis condition alEo ed one of the taro ca=pere to always be closed so &at the rccircu2ation of 257, of the contra1 mm air Garo"gx the charcoal filter ~as aot

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1 troub1e card @as ismc8 ace carl= ia being done toady to co rect the probXm.

Ve~ tMlp ) ovrs, CnarEcs E. Platt Su per intendant

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1~. " U.S. NUCLEAR REGULATE'RY COMM N DOCKET NUMBER NRC~:ORM

{P-76 I 50-244 FILE NUMBER PJRC DISTRIBUTION FDR PART 50 DOCKET,:MATERIAL INCIDENT REPORT DATE OF DOCUMENT TO: J.P. O'ei ly 1 Rochester Gas 5 Elec. Corp. 3-1-76 Rochester, N.Y.

DATE RECEIVED L.O. White, Jr, 3-6-76 C3NOTORIZEO PROP INPUT FORM NUMBER OF COPIES RECEIVED C3LETTE R C3ORIGINAL 8 UNC LASS IF I E D SCOPY DESCRIPTION ENCLOSURE Ltr. trans the following....... Reportable Occurrence ¹ 76-07, on 2-7-76, Concerning Relays for Train "A" Containment isolation ans containment'Ventilation. isolation failure to latch..;-.

(1 Cy. Recieved)

PLANT NAME: RE Ginna ¹ 1 NOTE: IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J COLLINS SAFETY FOR ACTION/INFORMATION ENVIRO NCH CHIEF:

>l 4 CYS FOR ACTION C ASST:

M/ 'CYS S 16 CYS SSXXIXNG/ ENT TO LA INTERNAL D IST Rl BUTION F LE E 2 OEDER/IPPOLITO AK CHECK ME K E ESCO MACCA 0

LMER BUNG E E OL NS EXTERNAL DISTRIBUTION CONTROL NUMBER R: e e C

2239 NRC FORM 195 {2.761

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., 0 e 1~ ~ E ~ i I mls waafs l 51AIC r~OCII ESTER C;AS AND ELECTRIC CORPORATION ~ 89 EAST AVENUE, ROCHESTER, N.Y. 14649 Lf.ON D. WHITE. JR. TCLCt'HONK YICF. PRCSIDCNT ~ac* cooc via 546 2700 March 1, 1976,. g

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gyves $ 76 Mr. James P. O'Reilly, Director jg U. S. Nuclear Regulatory'ommission i'

P Office of Inspection and Enforcement ,

Region I .

631 Park Avenue King of Prussia, Pennsylvania 19406 Subject. Reportable Occurrence 76-07 (30-day report), Relays for Train "A" containment isolation and containment ventilation Ssolation failure to latch.

R. E; Ginna Nuclear Power Plant,'nit No. 1 Docket No. 50-244

Dear Mr. O'ei) 3y:

In accordance with Technical Specifications, Article 6.9.2b, the attached report of Reportable Occurrence 76-07, 30-day, is hereby submitted. Two additional copies of this letter and the attachment are enclosed.

Very truly yours,

~PA.

L. D. White, Jr.

Attachment cc: Mr. Ernst Volgenau (30)

Mr. William G. McDonald (3)

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Ill:ENSEE EVENT REPDRi U i C CONTROL BLOCK: fPLEABE PRINT ALL REQUIRED INFORMATION) 1 6 LrCENSEE LICENSE EVENT NAME LrCENSE NUMBER TYPE TYPE 0 0 ~03

[OD1] N Y R E G 1

'5+0 0 0 0 0 0 0 6 1 1 1 1

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

~01 coNT L ~L 0 6 0 0 2 4 4 0 2 0 7 7 6 0 3 0 1 ~/6 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION Jog urin valve ali nment verifica'tion followin manual containment isolation'I and con-7,8 9 80

'[QQ3] ainment ventilation isolation (CVI) in preparation for ILRT, sump A discharge AOV had 7 89 80 tppj4 ot closed. Investigation revealed that MG-6 relays in "A" safeguards train for CI and 7 8 9 80 Qpg CVI would not latch and would drop back on release of pushbutton. Train "B" functioned 7 S 9 80 Qpg properly. There has been no previous failure of this (cont'd. under Additional Pactors) 7 8d9 PRME

'80 SYSTEM CAUSE COMPONENT "

COMPONENT CODE CODE COMPONENT CODE SUPPUER MANUFACTURER VIDLATON

~os ~IB 8 S'10 B R B L A Y X 17

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,'.43 44 W 1 2 0 47 N

48 7 11 12 CAUSE DESCRIPTION Qpg estinghouse Electric Corp. type MG-6 relays, style 289B363All, 125 VDC, were found 7 8 9 80 Qpg ith improper latch screw factory adjustment. Removed relays were adjusted and stored s Srs spares. Remaining MG-6 relays in safeguard racks will be checked during safe-

~10 uard functional test durin this refuelin outa e.

7 89 METrIDD 0F 80 FACIUTY STATUS POWER OTHER STATUS DISCOVERY OSCOVERY DESCRIPTION Q~g ~H ~oo o NA NA 7 8 9 10 12 13 44 45 46 80 FORM OF ACTIVITY COATENT RELEASEO OF riELEASE AMDUNT 0F AOTrvITY LOCATION OF RELEASE K~I ' L~l NA NA 7 8 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q~g ~00 0 ~B NA 7 8 9 11 12 13 80 PERS'ONNEL INJURIES 7 89 11 12 80 OFFSITE CONSEQUENCES NA 7 89 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION Q~g 7 89 10 PUBLICITY NA 7 '89 00 ADDITIONAL FACTORS

[118] (cont'd. from Event Description) t pe. Identical replacement rela s from ori inal s a~re 7 89 80 parts inventory were adjusted, tested, installed and retested satisfactorily by qualified Q~g .est ersonnel. Re ortable Occurrence 76-07 .30-da .

7 89 80 E. Clair Edgar PHQNE. 716/546-2700, ext. 29 1-223 GFO ae>. BRZ

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':-'W~e Te Re rtable "ccurrence f7'-0:= A3 l~ ii ~

. ada% ~ 1 + Qn~ air

-en', components discovered while do ng thc costa..-.-ent inte~rgLted Ie~

rate test.

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&is is~~~jrm.~-pha~.cal3. to ~. Joy n Fmmoa-. 4%is .~ingto. give him information on ReportabLe Occurrence 176-05

.ressurimtion of the contain=ent for the c ont aizment integrated

-.est began at 1600 hours0.0185 days <br />0.444 hours <br />0.00265 weeks <br />6.088e-4 months <br /> on Saturday Feb 7. The 35 psig pr essure ~as =

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stablished at 0890 hours0.0103 days <br />0.247 hours <br />0.00147 weeks <br />3.38645e-4 months <br /> on Sunday Februa 8 19>6 ~ ter aai 35 psig pressure for approxkmteXy five ho urs r it becee apparent t'h totters vase-'gj

.xcessa~ve eakage thronglr'everaL c &trat,Dns ~ Furt oar investigation g

.ounce the c~nents that were responsible for the excessive leak r~e to he=

{3.) Containment Purge Supp+ Valve InsS.de Contain=ent (2) Contaixunent'urge Exhaust VaIves (3) Motor Operated Valves $ 813 h RGL< Reactor SnopoM Cooling . ,tg qf",,

Check Valve P'1713 KS.trodden supp~ to h tReeacror Coolant Dtvdn,'~.- "

Tank ~+r~i

.-ate. test MXU. 'be resmed as soon as repairs are cmpleted

'a'ez g t.rd23r pours y Canaries K'. P3att"p Superintendent v, S

.rP/Qg G- Z- Smethomt BQK Corp L. D <<ai e BM:- Corp .

Sweet HGRZ Corp- C- V J.art3.i 3 BG'

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