ML17053C402

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Responds to IE Bulletins 76-02 & 76-03 Re Relay Coil Failures GE Type Hfa,Hga,Hka & Hma & Relay Malfunction Std Relays.Type Hfa & HGA Relays Are Located in Control Room & Auxiliary Relay Room.Type Std Relays Not Used at Facility
ML17053C402
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 04/14/1976
From: Schneider R
Niagara Mohawk Power Corp
To: O'Reilly J
NRC Office of Inspection & Enforcement (IE Region I)
References
IEB-76-02, IEB-76-03, IEB-76-2, NUDOCS 8103090457
Download: ML17053C402 (6)


Text

NIAGARAMOHAWI(POWER CORPORATION yfI NIAGARA gage MOHAWK 300 ERIE DOULEVARD, WEST SYRACUSE, N. Y. I3 202 Ap>>Lt'. l4, 1976 HJc.

Jalnes P. O'ReLLCy ViJceetoJcccte og RegulcctoJcy OpeJc~ons OnLted S~es MucleaJc ReguLat'oJcy CommLssLon RegLOJ'c X 631 Puck Avenue, King o$ PJcusJkx,.

Pa..

19406 RE:

Sock& bio. 50-220 CE Bulletin 76-02 8 76-03

'OeaJc lk. O'ReLLCy:

Xn Jcesponse Co 'fE BuLL~n 76-02 and 76-03 dated HaJccl2. 17, 1976 4he foLLoeu2g n2(oJcmatL onLs supp&ed as JcequiJced-II'.

TheJce aJce a, numbeJc o$ Xhe lfFA and HGA +pe Jcelctys InaI2ufa&uJced pJcLoJc

.. W 1969 at hfLne (@Le PoLet UnLt 1.

The. majo>>Lty o$ 42enl aJce located Ln Ae Co~ol. Room oJc She AuuXQu/cy Relay Room.

Bo& og Xfcese. aJceas aJce a"; cond',io;2e.d and Iraqi;"taL;2ed cu'. Leva lw;~ty, TlceJcego'ce JceÃulgz wI Mesc aJceas, cvhetheJc A.C.

oJc 'O.C. poleJ ed oJc cvhuheJc noJonG'Jy eneJcgLzed oJc de-eneJcgLzed, cvouLd not be subject Co humid eondLtLons cIIfu.eh cause We JmLurce o$ the Jcelay e.ok'.

2.

A amaLL numbeJc o$ these JceLays aJce uM~zed Ln aJceas wheJce, llullcidMy Ls not eontJcoLLed.

These ij2cLude pokeI QuL >cal2JgoJaneJc Jcelill/s on 4160 V poloeJc

boaJcds, and JcmucmkctioI2 pulnp bJceakeJc and voLtage. Jcegu-

~on JceLays.

Tlcese Jcelacfs aJce S.C.

~ pocveJced and >2oJIlnaLEy de-eI2eJcgLzed.

~

~

II

~,

I GeneJcal. EleMu'.c SeJcvLee TngoJunation L~eJc 153 cone.eJcwu2g She J ubje&

Jcelays ulas Jceceived on HaJceh 8.,

1976.

Tl2e necessity og ~llpLelnel~g change cvas questioned'eoneeJcning Ae'coke (aLt!uJceJ on Jcehcys Ln

'oJunaPXy de;ej2eJcgLzed S.C.

nJceuLts.

Nne NLe PoLI24 b O.C.

JceJayJ aJce eonne&ed Xo We negate.ve 6Lde o$ She b~e>>y XeJvnLI2aL.

GelceJIal.

B!e~e colas asked Xo supply moJce ~neo>>In~on coneeJcI2iI2g We S.C. cL gaLCutces as LtLs cuspated 42at Che Jcelays couLd have. failed becauJ e,

Wecj cveJce connoted W She positive blJctteJcy XeJImu2al, As og ghLs date, GeneJcal. EleMu.e. has noX supplied Ae Jcequesked Ln)oJcmatLon.

7g AeLngo>>mation, ulhen JceeeLved JJcom GeneJcaL EZeMu.c,, indicates Mat WeJce Ls a pJcoblem uILth eoLL faiLcvces on Cce O.C.

Jcelays eoI222e&ed Co We neg~ve batteJcy CelcmcnaC,,

Hie eood@

og all Ae HFA and llGA JceLayJ in ha(My Jc~ed

JyJCelns, NLLL be. Jceplaced IvLth Xhe Lexan Xype bobbn2J M We next Jce)using
osage, JcegaJukms o$ WeiJc location o>>. pocIIeJc houJcee.

~r

, 9 PAGE 2

RE';

Oock& bio. 50-220 lE BuV~n 76-02 8 76-03 0

Ap~ 14, f971~

3.

Ho a~on.L5 aeqtuAed conceJwu.ng Eke. Genefraj'eau.c Type, STD iceJ'arja Cgpe

>r.eZagr m not a5ed at hone. NLe Poà r<

U>~ l.

VeJrg NruLy goree, ALP/aih CC-.

h!RC Reg~onaL 0)gce.

o$ Trv pe,cia.on, and Fn(obscene&

R.

R. srliinn.ec.

Ace, Pw.ui.der<

ELeMrcc, Opefutf~.oiv

, ~

S.a UNIT EP STATES N ~ REGULATORY COMMISSION REGION I 631 PARK AVENUE KING oF PRUsslA, PENNsYLYANIA 19406 Mar h 30

)97 rc Niagara Mohawk Power Corporation Attention:

Mr. R.

R. Schneider, Vice President Electric Operations 300 Erie Boulevard West

Syracuse, New York 13202 Docket No. 50-220 Gentlemen:

Enclosed is IE Bulletin No. 76-04 which requires action by you with re-gard to your boiling water'eactor facility with an operating license.

Should you have questions regarding this Bulletin or the actions re-quired of you, please contact this office.

Sincerely, James P. O'Reilly Director

Enclosure:

IE Bulletin No. 76-04 Approval of NRC requirements for reports concerning'ossible generic problems has been obtained under 44 U.S.C.

3512 from the U.S. General Accounting Office (GAO Approval B-180255(R0072),

expires 7/31/77).

CC1 T. 'E.

T. J.

C. L.

E.

B.

A." Z.

Lempges, General Superintendent, Nuclear Generation
Perkins, Station Superintendents
Stuart, Operations Supervisor Thomas, Jr., Esquire
Roisman, Counsel for Citizens Committee for Protection of the Environment CCI E Central Files NRC Central Files PDR Local PDR REG:I Reading Room State of New York xbTx@a

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