ML20028F959

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PNS-I-82-003:on 820428,at 100% Power,One Operating Steam Generator Feedwater Pump Tripped Due to Misaligned Isolation & Vent Valves.Caused by Sabotage.Valves Aligned.Labor Union Contract Negotiations in Progress
ML20028F959
Person / Time
Site: 05000000, Salem
Issue date: 04/29/1982
From: Gody A, Keimig R, Lester Tripp
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To:
Shared Package
ML20027A699 List:
References
FOIA-82-530 PNS-I-82-003, PNS-I-82-3, NUDOCS 8302070236
Download: ML20028F959 (1)


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C'9ReuliIKutY I:0I1FICATION OF SAFEGUARDS EVEhT--Pl!S-I-D2- 03

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- c This prelfcinsry notification constitutes EARLY notice of ovents.of ftSSIGLE catio:D

<acurity or public interest significence. The information is as initially received tlth-

.cut vertftcation or evaluation,and f s basically all that is Itnown by the Region I ctaff w W. % !w-? h.'.r ::/

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Public Se vice Electri: and Gas Ccrpany 1.icensu Enarganty ms'sifMen: ~

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X N tification of Unusual Event

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Salem Nuclea. Generating Station, IJntt 2-Pancoc h Bridee. New Jersey Alert

- Docket: SC-3il Site Area Emergency,.,'. g "

General Ex.ergency Not Applicable

Subject:

SUSFEGF9 SA!.<OTAGE i *-

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I At erprovir.ately 3:50 r.n. or. 4/2E. one of the two cperating steam generatur reedy.ater pu ps tripped wMle the plant was operating at 100', pcwer.

Rapid operator action to 7,,

redu:e puer to 00% pee.de..;d a react or tri;).

Subuquent inver.tiaatien by.the.Jjcensee s

deterre'ncd '.56t thu iso 7at ion valve to the high bcck presme switch on the pump's turbine exhaust te the mi.in co. der r.or i.46 been shut and a wt va!ve in that line.had baae.crened.

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i As a riisu t. feedv&ter per+ turbire protect ve contr61 circuitry saw a loss of condenser '

vacuum and init4teri an a.s u r..t t i c p mrp t ri p.

Yalve a;igr.r:ent was. restored to rerr.al and full power oaernier vias rese.ed.

6 ho man;puYation of the s a;ves' bat' bec:r. at.t hor *ced, lhe licessee has uincluded that this l

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was a delibe ate act tr. L-ip tb.. pl.irit.

thrn:sily, use Lliefe ctrec:nstances, a plant trip 2

Q!.wouldhaveoccured.

Lab:.r ccetra:t ney.L'ations involving jM uninn which represents est non rnana>;e:r.ent pi-r sentel working at the plant wert- 'n progress.

The i.nton voted on the licensee's f ir.a1 of fer at C:00 p.m. nn 4. 23.

This resulfed in an 8 to 1 st.-ite vote.

The present cc.n:ract en t res at aldn:ght s.r. 4/30.

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Following dis:untur.s wit i NRC Pe-ion I tha Itc.'usert declared an unusual event and made

- notificat ions incl.dinn tM Ftt!. Mdi t.1vna' in.>a s ares taken to preclude further nalir.ious acts included additinna! security patrols, #rpletintation of hards-en searches for all persor.nel, period'c ver'ficat ior. of F.es va he arr; b.caker positic:a and arJJ1tional canagent pe sen' el on site at all t ir.ies.

Regier. I disptched a security inspector and an inseuigai.nr to the t ite at t.j pra i.%tely a:00 t. in. on 4/26 te observe idded security precaut tens. Tur.t3 - f o u r %ur cowage by -(sh%:it inspectors has boon I.mplemented. The IAT was inforrec.

The 8' wc> :.e site os et 10:00 a.m. :,n U29.

f'edia intere,t 's ex;e ted.

f.cither the ll:rnae nur tt.a NRC cians to issue a news release at this time.

The Ser.ior Rester t In>pecte.,r s.a, avara of,this occurrence and notified Region I at 4:15 p.re. en 4 23.

H s inter ats..c 13 cuerent. as of 9:15 a.ei. on April 29, 19S2.

/f CONTACT: L.E.Tripp A.T.Gody R. R. n e tin ig 485-1227 481-1255 454-1724 Scia....._...., _,

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Region I Forn 83 (Rev. March,1982).

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