ML20210J424

Forwards Info Received by Union of Concerned Scientists in Re Alleged Wrongdoing at Plant

ML20210J424
Person / Time
Site:	Maine Yankee
Issue date:	06/12/1997
From:	Lochbaum D UNION OF CONCERNED SCIENTISTS
To:	Miller H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20210J388	List: ML20210J384 ML20210J392 ML20210J424
References
NUDOCS 9708180084
Download: ML20210J424 (6)

Text

,

i

s..

1 O N-F 8 01 3ene11,1997 Mr. Esben J. Miner mas end Aaminisoner maslem1 s

vained seses mesamer uskeinemer commissies 475 Ansadele Reed King of Poussia, PA IM06141s stIsach WomwatDMG awcaur:30N amCEtVED BY VC3 Efv0LVING Au2CED WRONGDOMG AT MADit YANKEE Deer ur. utner:

The Union of ca need saintism russey meelved a twe+ese unsigad Ismer desed Mar 29,1**7, r/mnakad) stems wie en erewtag hinders of appening insor=maia= ne asser of the snaisand nsmer ausses est to dak assessmam papered by to Yaku Ammie Blessic Campsey ist Maine Yahes sqr underessinds the plant's risk er seveal seassas, instading,

1) eens of 6e laitissins event teenanales won ahored peier to es isseenee of the Saal huA of en Weine Yaksa PRA,

2) same et the inishsing evens toquensies ww sahmentiaW sedesed by askas modst der noemery ad data =nAhe wh[gh had ggg ygt begn lgplemented at 64 pIASt, l

3) seppert smalysis such a thermal smalysis of he hem.ep mese of the swleshsser seem la es event of HVAC Calles wwo set !naladed in the FRA and never se6used to by management teach one semey waii essaplssed at Yankee Aasmia, ed

,j

~~

d) du model af the deal vital bas isDem we mediSW wie the asett het the sedisantidessies pseduced Dr mess estimistia numbses tan pseviens melysis caneersing hiture vues.

UC8 perbrood a ennesy seemanat of the suegations et a minimosa.Whne we suo unable to deteralas it the sitesedans me valid, we eensider tem na be sinners. They mies very serious eseny goesdens aquiring to NRC's saanden. Car misw predeesd to hilowing guestions and eseelesieas:

1) Aesseding as pages 213 ed 214 et the Maine Yankee PSA s=h== head Aggust 28,1992, unashisated desadasies of swinnkgear seem ventileden was essened en esses the delless of Westees algandant equipment es bet Webs of ashgaards syssens. less of swisshgaur seem eumsumius was assumed to ausse a stenlos blastwat whlek sould lead to esso demass. Loss of ewhengeer ventDanism armesmead syysosimanely 5% of the eslentated saint eere damage

, megesser as usine Yeahm ne ansessess, w,emessed eeld esad e. insame es emnest dek tem last of swenshasar vestimies.

9708100084 970001 PDR COMMS NRCC CORRESPONDENCE PDR unnamenn Dese: 1918 P sesetww auen sit. toeshagento entseases. tesessasse. halt: essass4sef Demedsge eme; hue einen sounse + een6dsee stA esses 41es. e1744740es. MA: e1743444a8 Oesteh Oase'. Sm? shuhaus Avenus tube ese. esenhy DA NFe44e87. e194ss44?s. ME:eit>4647se JWE 1e

• 97 (TH'J1 14*se tehafUhfIr.ATIoW Ne a ea PAst. e

&P9 >

l I, -

Jeno 11,1997 Pass 2 et4 I

+

2) on pese 240 of Males Yambes% PRA, k is stead shot "He seen heeng reas and es akiness eenparahme seenhed if NYAC is lost me uneenein. Causst dose is based as a east poemmed j

l In 6e wieter mamshs.' Pass 6 72 erMolao Yanken PRA sapened est to hosesp eset was i

postssed is Jameery 1984 when te seedde ambisat inspemesse was 25T. Hs east domessereand 6et the preessend ewhsheaur room homend ap 157 h esse hears ender taas i

N nis est$em sehens se allsessies 0) above. k es meesdal esppaisd as UCE, tem ~

is na maisted 445mesdag eveisaties ashlad *Inmaal AmeWeis of VeneBeden Syman'Fanurs

(

la Preensted Swhshster Rass" (smaleoed) wklah amaalsed verless desaded vensliesien j

eessedes. Per as posentased einsed. loop soolina ease with hea has summhs, the " esse enquired to sesak es newer beend temparenue ist swinnseer Adless is appenninensly 2.5 i

stesses. UaBe 6e spea leep seelies, the weer bened temperstars for mash of he ewkshoser (55'c or 1317)is else geleidy seenhed, h just ever 4 missess.'

l a spress pusmie est as ewieshpur nemt bassop sus > *=da,e hieb maar een l

'smesseds m assis es,

3) He hemad Amelysis "strensly seesamended est a mese seemrues vales hr to swinnhgoer host lead be develuped behre any sentklease is pissed in the sesehe of this er any star i

l esanet ensiyah of as pnmesse ewhenpar De besop use pedanned amens as wiseur duims i easim whish saamis en ses beans %.

l Se Desoul Anstyels sayested very high hastep mens widsk esans se here been a-ally j

susasemass. What is to essant desige benes Aarewhabssar seem bashp?

4) la 6e assarial ogplied en UCS, esse is a headwsheen ases deed Jemmary 24,1990, (useleted) whlek seem em inveressa 3 and 6

• ere in poet, SWGK Rs. but saw [ssene &

t l

Webster) 6d met imahde them in se esistnet best need sets. This would add 40% hem int i

no essa."

p

.e

& engasse skat Yankee Atennis passessel escovend la 1990 est to edginal design

~

salsalaslam for heet needs la te ewisshacer men had senseesesvedvety eaglesend swe i.

esmiasset has team. R is not appenet est messe Yepse evdemed ek denisi hem i

Annasency is anewsmee wie se as Pan sa.12 or sapesess b en the NRC la assesdence wit j

a cra Panes.ts.

I i

s) Table 2.2.s of Meine Yanksh PRA myesed en imidades met tegmaney of 2.Ss.3 sur les j

er ewhshs.or voam veennedea, endes er assninde Imr aan es 1.7ds.: venne spesised la i

the hisp as,1 set, laser a Ucs. nis nWut,mtses a enegassa a) above.

I De prate for she subsemedd mMen is te istaedag event esquency needs en be selly g

i W

1

}-

k t'

J1DE. S e

• 97 f7NU) 14:3s coheGNieATION Ne 55 PAsa. 3

esammumm ucs oc Abt Pe447 AN 12 *w 15:22

s. -

m June 11,1997 Pese 3 et 4

6) YsWe ?JJ et Maine Ymbas% PEA ladisated het the ewhshasar vaunussion event tree hsemed la a " Switshgoer Reem high tamparamure shrm *. Assesding to 6e NRC's Star Eveleadas Esport dated Meek it,10H. tr Meine Yakse's PRA, en "hseelled klah esaperseen alma h swhensaar seen " was sempleted and taham andh ist in the eisk sneWeis. This enhiest salsass m allsession (2) sheve.

Een a bid M sessa, wth sumet W= la he esmaet seean, base lasselWB'9er es pseemsme owlsegermoess?

h Desember ins, UCS brweded ellesseless eeneasdag elleged AdalSestles et se assall break LOCA analyses propered by Yankee Aanale Blaserie Cesapany hr Maine Ysakes, k appeare Yankee Assade say be impilasted la posther enspielene malysis. The NRC meet expedhe he adhrts to sessive these ansessions einse Yankee Atenio pesfhsms engineering smalyses for seversi operating meslaar power phets in addities to Meine Yambos.

The NRC's laqalries late to 1993 anotadens and the lisonnes's = ': ;:M sdhets identi6ed severn3

'evehd amyees and annesedeeming pisat aseditions. Given the bisk estety sisailleones et eerkshaser 8

e.es - m and se or essei i anserinnet work, k h knyeresive as the wac sive ihase lesma allegadene prompt

. As the sm6er of to unsigned loner smand %tt saar be possibh to senstede het Maine Yankes a ht! power ns ans of 6e more dagewes plaats en the Nere Amedesa esadment." Clearly, thane aussettens wanent ki_"-- by the WRC even if Maine Yanhos does not samme openeden.

Please eastest me et (102) 3324900 if yes er your sesE weidd like as make unassasats so review and/or esqstro the meterial la the Ave threH6ag hindere that annampaaled the smashed useigned Isomt.

simesroh, Clitigt 0-m-

perie A.

Neanser Safety Ensimmer semehment:

Unsigned louer dated May 29, IM7, to Wenen Lees, Deputy Diresser der Prestems, Unles of Ceamerned Seiselbes aannesene:

m essend 5

e

.is e, m.m io...

e - i m ie,,,,,,,,

, ee. e

Qi _ r

• 3 _,J 8 g ~ - ~~ -

Auw12,1997 Pese4et4

)

es*,(M.WM Mein Wes)

Chelnaas BMey Ann 3 edman U.hed sense Neesear megehnsey commissi.e W % @ aes s.oool j

a deseed B d er Agensy Aussensa Advher unbsd tisans Nonnest magelesery caemaksion Weatdeseos, De 20$s5.e0c3 Mr. b bee Celse etto hopessor Gemeed t h hsd senses m e n er em WaMassen,oc sesss% cost m.vida v State Neeleer Setstr Advisor seen Plessing oenes Beam Menom Steeles #38 Austig MR M333 l

l JUN. t 3

• 97 (TrJ3 g483I

1. 8Sf7W3eATleN Ne 55 PAst s y.

- ---- _ ~

nday28,19F1 Mr.Wesen Lose DeperDhamarSirPsegnum l

thian ofCanennedasismiss 23mmesag%

l ua

cruesues, nearMr.taan:

aasset pues sevents has mined Pdus somssm ever the ashy sad mildeh of es Males Yankss Weslaar power Plant. nses have hasm snagalens which your eugnismin has pas trennt ensammingthe seemeqr et andraisof symmesWbdsinsYeden, tbs adeesmy of the Rampany CoeBas sysmap shesesupendslaMains p**st *Wys' nse ma, hee,w. sese been wWah had am pas sess is lists k to yelis ymes seie out ester douk en en setr sfusins Yankes. Censsas ever the ECCS syshe as based su hads untyds. Desisa luais metysis k enty es esa esp la asuming a sosiser power pisse aMI%

so inses es NRC's amada hr ashly. Advunsed seushDity teery is capely used as sentras em tysmak risk pmais efe phs dish mer hohen as impset atses gaan aa mster ehh amam espased la emies insis melysis, thh may set he nous a to Unism, het ihans names me made a suhls a hyuma's undsniendas of to anelsend anledsL l

h genaul ths tuowhg snelytisal mshalques as med in advensed shk asssammet e

inhiedna twease Analysis: the fem esp la Peabehnishis Ras Assammans (PRA) is a sedans to eveses ele am r land a the less ofeenmal of the Jlsas, ter a.usspie, a plant alp! Evuus which may skalsags ylest symmes er. mhased, en as assant hesis..the samlesed eneminl indimme that sums of the ialtimins went esquedes une shmed to the imense of to Assi dudt etes Mahs Yambas PRA (In6ymedet Ples la NRC pedanes). Bdstenal asadoes of the ofpaennialdde $ set ennels humles mass, ash as ease eres uvac symma esyssenedwomememma sm

% satised. Campen tbs nuhiestas evnt top aanme=*= in iks anglast amitysis (1.* 3 la volmes 2 the HVAC assebeek to the Seal saslysis agaher af 1.84 ed, vel 1, peas 41 ). Thelan ammber sahes amet br mesney sad ahan meetmaines elskhed ant yahs=tuglemanad athepiamL e

.Pellee Modes sad Blhans Aastysis (p3MA): 75 mms uma used u a agysst asst in hedenes eyesus sad la sesnesy analyds, veniens of to FEMA smetysis of to WVAC wese estsed 9sen es Mains Yeshes PRA. 0 der appen asstrels mukas sustrais of the bessg seen, af1ta avhshaser seems 64 to enut afRVAC tilse wue not huhdad h es 7mA amt nevermesse w hy mannesses sennemusk ses tvu.tt *s7 m m toits emamtscion x..ss mss

.... \\ ;..

--_--_y y y y -

e*

many wu maoisend a Yalue Asseds (ass velem 2, WYAc mahook.),

Pauh Tses Analysis: gehsemnial eShrt was doveted ever a maker of yeme a develop o

esesDsd hult tese of an}or plast gsesses halueng the steelrisal syemas. h eseunemelas emaissed alume the evehales ofsome eyese atthe huit tes deselspasms hates en tussamme of the Maine Yambee pRA. Shssity hates the imense af to Wales Yamins PRA dedSasus sheness was made a de helt ses untysis orths eleselsal geenus indsk espuesd tem pestlaus smalysis ty ausede annadema (Pinked,14eni ed ammise see watt a paveses lussnel Yosene Assais analysis (see vatsas 1, pp,17M94 tr mvisions to es DC model. anyme es 'cle Blesadeel Qasmisemesa Neuhash, valmas 4 and s m te issw = asesedsa! Nestesk, valmas 3) la puNisehr, the medal af1he dual what hus mean was madma4 wls the sessh itse the iW pseessed er asse sydmisdenumbers them analysis eseammingiblime man.1 tis washused hputen sompanses tbs spesadas espadsensaftwapena est a wet as the lean 11 mica of asw levenen as Maine Yambos (s. plums (a

.ma m s ess 5). As k happses abs tihue af to settsbess HVAC esestir insmes to what his Ianners.

Messische af the iguadas evuese aesmeio and mondes dibe Alhas mes he es what hoses subsessiaRy alessed the elsk pseAls of to phes. It shedd hs amend ist es case etthe tihme of en impanus symma se te vent homas (utdsh 'appen em sessi sressass), sah seguamens had e=ssy in se eenadanal aan esquasar est messesed, la hysants uses tens as sessedes which sesuk ht een Unassemyis, elf.

enuma, espeedses en medble assises by the plant spumisen)

As a esmanguess of the above englaesdag analysis a smasher et sessamentalam e

sowwalag na sedussion wwe made laelsens lunathelen af abens in es posessed awhahener sesen. The gasselse summins statur Males Yankee managsmast has asted en thus Was to hast g snely W la 1991 mer een$sd outf(SA anslosed 4-+= We)es acad hedshe assammended in 1991 seer t i

(SA 91 148. Seinum 1, pp.196401) Wes the gasaler legswounset suggamiens hdesad in TW.1991 mer amend upsa? (EA 91-153, sehes 1. pp. 211218. alk penlenlar satsames a pass 113 OlVAC sedenhener lapseuname).

If es analysis af es 30C0 syneum wese esagssansed as ausged ta to pumm AND to Isidssing eMMMeMMMm%4adW%dpintM%@

asm en enew smanysis), k is aur b. p.edhis m oonshedn ess usias Yadus st ads pewer is ees of to asses esagssous pinses an es Neue Amerissa seuesset, 'ths sospomethilhy tr als standen Isleindy emed by Yesbas Aasmie Essels Osageur utdsb asend as seament and Males Yenise menemmes. Netter you agudmales em es media hem made k esser est usin vwha Assada Peter plant does est pennem algurasses espeshy er independens egensedes anstysla. Alt oder gasseems esasandas assism, tan et O ins cLocA), mansism, and sisk manysis han heen

==denamany esenedto Yselme Assula.

h smalassa aseadal sagabes yow medans ud 1sunesses ammunion.

JUN,13

• 97 hMUD 14s27 CebOAfM1 CAT!ON Ne a 55 PAG!L ?

TOTAL P.06

..... _. -. _ _. _ _ _ _ _