ML20090F363
| ML20090F363 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse, Oconee, Midland, Crane  |
| Issue date: | 03/29/1979 |
| From: | Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | Thompson D NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| Shared Package | |
| ML20077K886 | List: |
| References | |
| TASK-*, TASK-03, TASK-3, TASK-GB B&W-0247, B&W-247, NUDOCS 8307050385 | |
| Download: ML20090F363 (13) | |
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Dudley Thempson, E.iecuti te Officar for Oparaticas Sup; rt, IE FR~&;:';
i:crean C. Mosaley, Director, Civision of i.
Ranctor Opara iar.2 inspscticn, IE SU30ECT:
I:CTIFICATIO?i 0F LICE?:5I::G ECARDS On February 25, 1979; six itams con:arnins Sabc:ck and !!iic:x desist.ad nuclear plants were sent to ycu for forwardine to t appropriata licansing beards.
At th:
evaluatica had bsen done.
tima only a proiiminar.-
each.cf the itams and that information is anciesed.1fa hata as:!iticn:1 infor:atica should be feraardad to t.a licansing ints i...
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orman i.,;icsaley Otracter Division of Rae.ct r Opera:icns Inspection, IE En:1c:ure:
cvalua,icns or. Concern:
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S. E. Bryan E. L. Jordan R. F. Heishman, RIII J. C. Stena C. Kirkpatrick M Gcuar
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C0iiTACT:
J. C. Stone (x250iS}
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J. WAIT 8,1979, ?RCH J.S. CRISWILL IC J.T. STIIIIIR s
n i
1l lj 1.
Durin; a rece:: inspection a: 1avi:-3*sse Uni: 1 inf::::: ice has been a::ained which indies:es* ca: a: es : sin' cc dici: s ci rese:c:
coolas: viscosi:7 (as a fune:ics of ce: para: urn) cera lif:ing cay o::::. Le lice::ae infer d de 1:spe ::: :h:: this is cc
}
in =lvas c:he: 3&W facili:ies. na Davis-2sssa 75A'. sta:e is Sa :io 4.4.2.7:
s 5
.j Le hydraulic force on the fusi asu:. bly :2ccivi:3 de gl
". =cs: fice is shevn as"a fun::1:= of sys::= fic 1: Figure I
[.g1 4-39.
Adit:fo cl forces ac:is on :hs fuel asstably are de I
assembly veigh: and a hold dev sprins ic :s, which :ne:1:ed
};
1= a act downward fe:ca a: all :inas duri:3 ::::a1 s:::ica opera:1c=.
I Tha licensas s:atas tha: :here is a 500*? in:arlech fe: :he start-l i
ins of de f=d: d reactor ccolan: pu p.
I vavar, nc Tachsic21
]l' Specific::fo: receiras 6ac ths ;usp ha s:ar: d :: or ahev.2 :his j1 taspers:ure. A concar re:;ardia; this na::a: veuid ha if as:4:-
- I blias =cved epus:d into a posi:ica such thc: c:n::21 :od =cve-f}
.N..
cant vould be hinds:sd.
D 5CCF3ICN A'D Fl.U.UATION
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,jl,
.na ;c:an:ici f== cera lif: ins '.= 35'l pl::::.: is a cesse= vhich has hea: previously reviavad by NER.
n a conearn was fi;s: a13ed u
in cc: nae:i== vi:h de Cecnes 2 and 3 : sac:c:s, where cha, sri ::f cec 1:::
ficv rz:as vera found :o be in e:c ss of de desis ficu ::as.
To:
j e::: pla, :ha Uni: 2 fics :2:a vec found :: be 111.57.' of d a dasign f1:v ra:n.
Since :his vcs very near :ha p::di::ed ceru lift flow ra:a of l
111.?i, ::.analfeic van dona by 34W :o da:arui a wh:: eft:::.ce:: lif:ing veuld h:ve c da previsus safety ancly:is fo: these pisn:2. ni:
analysis'- (da:ad M27 2,1975) indi:::ad cha: :he pecen:i 1 fc
- a lif:ing did :o: resul: in an unraviavad safe:7 quas: ten.
A subsequan:
ravias of this 3&W analysis by ITAR also concluded tha: an unsafe cendi:1c i
did as: exis: (let:a f::= 1. A. Purple to Duka ?cuar, da:ed 9/2'./73).
t I
I: should ba acted tha: :ha po'an:tal ver:iesi displsescan: cf :he core l
is 11:1:ad to a very sus 11 dis:ancs by :he upper cera suppor: s::ue:ura.
l Core lif:1=; a: pcus: vould resul: in a sligh: =cfue: ion 1: cac:ivity l
sinca da rising fuel vould :end :o an325* the viddrav: cen::al rods co'a sligh:17 gras:c axten: thad i: vould i: the be::oned condition.
~ha c::un: of :his chan;n in resc:',vi:7 is, of cour:a, ave.ilable for reinse::ica should :he fuel sa::la bach :o 1:s original posi:1on. n.a 4
i p::en:ial race:1vi:y increase caussi by da sa:: ling of da 15 ee ::=lly i
j le ::ad c:n::al rod assadly cle===:s (assu=2d to have been sub,'ce: to I
lif:ing in the Oconac 2. cac:or) was c21culs:ed to b.>. 0.l**. 3. K/p..
nis value 1: insuffician: :o hsva cuch effec: on :he accif:n: and ::an ice.:
i safa:y s :lys:s.
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As, addi:ic:a1 cencer: vas :he po:ca:ial f:: da==gs :o :he fuel assar.bly e:d fic:1 gs which =igh: be causet by fre::1=; d.ua to repaci:iva fual
- va.:4 :.
Cannequ==:ly, Duke I: a: vas :se.uss:cd by '.?2. :o che curts in e:ta=1:a: ions of ths Ocones 2 fuel dur'.:; cha firs: refueling :o :c fi =
that fual ele =ac: :o:ica was no: occurri g.
Tha :2sul:: of this ena-d a: ion (le::c~r fres W. O. Parha: :o ?... C. 7.uscha da:sd 7/11/75) h
.s oved tha: :o fuel lifting or other :ype cf co:ica hcd occurred duri=g the firs: cycic of opera:ics.
Af:a thg core lif: concare u:s identified, Zi*** daveicped uses: :/pt.:
cf fuel toldd:-m spri ;s wh'ch p;cvide : ors arzia agains: core lif:iss than the $rt.-icus springs did. I: is ::: u5dars:: di ; cht.: :he newc:
~
- ypes of springs hars bee: installed is all 3&7 rate: ors.
j Tc thesa rease:s, va belisve tha: thers is presan:17 li::le likelih:cd
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oc... c...<
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l-te pera:ures, :hera is an incre sad flev i duced lif ting fc: e on ths l
fuel dua :o the hight: viscesity of the reac::: cools :.
Cossacuen.ly, we view the ras::ie:ic: agai=s 4 pi=p opera:ics belev 500 y as a I
pruden: precau:1:n agaics: fuel fra::ing. " vevar, since 'the po:tr.-ial fe: cora lif ting has 11::la safa:7 sirifie:::a and bec.uss c:itical i
opera:ica belev 500*? is act pe:..i::ad, ve hcve :o b sis :o rec:.:=and a<,_
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tien at cha: value Geta :o 3. -C. Bucklay f::= 5. D. 2'.ac.cy, d::ed j
J:nua:/ 27, 1878). I: sh=uld be n :ad :ha the 7.5.: pova eccilla:<one i
cause abou: a 17 osci11stien iri-cora a ter:.It c:::.=.ra:u== due c'2. :he sho: period of :he escilla:lons. Tha i=per: ant core ::f a:7 p.2:2=a:::3, i
.hich a:s, the dapartura f := nuciaa:a beilin;; ra:io and :he avarege
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a-Oc::ss 3 was c = plica:ed by -he f::- :ha: ha orifice pla:a p::vid:dr for :his purpesa could no: 'on feli.y closed.
.!:vav::, the oscill: tic:s a: c:he: 34** p12 :s hr.va been kap to :bou:
1.5:: of full pouar:bv.
aI'= roc. ria:'a adj us:=s== ef :he do-T.cc=2 flov resis:ance. To: :hesa reasons, the pc er oscille: Cons ac Z~ii plants are ::: ecesidered to be a si;; ificas: ss.facf ccacers.
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pressurica level had gens offs::le fer spreed=acaly five
=inu:as duri=! chs Neve bar 29*,19U less of offsi:.a ;cvar even:.
Thera ara so:a indica:io:s :ha: ochs: 374T plants may h.we p:ch-1s:s =a '
.'.'_..g p..-ss
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J..=v=.'. '.d.' n ' o n.: d. '.......' * ---.
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. S cc.w. pos.a...<....:.h4.a c.c c., _. p -,.=.
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.u...as-i s.5'.:. i:2 =ay void cc=ple: sly.
A special analysis has bee: par-
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- a. c.. a.,,
.,.i, s ev a _ _..
., s a.
_.. e. -s
.<.s a... c.; a s
I-s:lesure 1.
Because of pressur':s: la.el :'.n:anance p;ch-i lais :ha si:'as of the prassuri:a ::v recuire fur:hc revice.
Also nc:ad duri;.3 the avant was tha fa:: :ha " cold van: eff-s a.;... (_. ess te.an 52ro-).
- y. ac;-<.<....4_...a
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s.....s.a i.
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ass
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.. a
...ga. a.' cn s'..-._' d b = exa '. a' '
_' '.'.. o.then this valut.
- ...a.,,
~~.a.aq~.' a-
=an:s of GDC 13.
u; 5 s,.,....C...- _.,A..,A_.Ch.
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..u s
a c,..
at gg,<.,.,...,~}.s+
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c _a. a. a.o,
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w.
.a.a.
es
......<,_.._,s_a_,..... a.
- ha: cc unraviavad safa y cuss 1ce c::is:cd.
The ;;assuri ar, :ose:hcr vi:h che ::ac s cecisn: makeup s,este:, 1:
desi:;nad :: 21.:41: tha prir.t:y sys:a: pressure and va:a:
s.,.
a.,s a
- a._.a_:
Icvel vi:hin
,..a.. s a..,, gur<.....
_,.,.s_...<.g c..:a a Coolfo -. ::ansients, such a:
..._..c, less of effs'.:a
..z.,., g., s_
. _-....,.,....._ power and less of feed-
...a_.a.,.. a c...,,s a:s
- cay, d :hs abili:y ! :his systa= :o cont:el.
a_.
a:d expa:Len:a vi:h su,ch transian:s sh:v, however, tha:Tha :n-17sts of they can be sus: tined wi:h:c: cc: premising the saft:/ of tha raac:sr.
Iha ;;incipal c:ncarn caused by such : ansies:s is ths: they cigh: cause voiding in ths pri ::y c clan: sy:ces :ht: vould lead := loss of abili:7 to ada. -
cua:ely cool :he reac::: ecra.
The safa:7 avalua: ion of tha los: af offsi:a poca: ::sasien: shers cha:, thcu-h lavel indica:icn is le):,
s:=a va
- ra: ins in the prassuri:2: :nd :he prassure dcas cc: dae:assa halov abou: 1600 psi.
In ordar for veidi:3 :s oc:ur, :he prescura =us:
decra::a belev che ss:::::ica pressura correspondits to :he sys:as
- a:gara:::a.
1500 psi is the saturati n prassura corraspendiss :s
- E:5'?, which 's also :ha =2ninus allavah*
- cc:s cu:le:
- a:pa:s:urs.
g, 2..,.,,.. i., p, _e _ _
(e.. 3. e_ -
3j...
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decre.:sc :o se:ur.-).. p.a._ ded_
1: :his casa, sin a prass :a dcas :::
a: ion.
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9 The sais:7 a:alysis for = ore severa :::1d:vn c:anzinats, such as ths j
' o s's o ' " ~. s.. '..s.. s..-
c<......,
- ..d4..c.. 4.....*...<...'..~...._....,..... ~..~ ~..'..'..' *..-.:.s..
s it.cs tha= che sys:a= velus: exclusive of the pressuri:ar.
Deri=;
such as sva::, :he asp:7ing of -he p:*s:::1:a: vould be folloted oy i
a p cssura redue: ion balov :ha sa:ura:i: poin: and the for=arie of t
s:all voids :h::ughou: =uch of tha p '- f sys:a=.
nis sculd c::
' ssul: 1: the loss of ec:a ecoli bac;use cha voids veuld ce disps: sed g
c. =.. a _'.- n
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s ~. '_' _' c' =.~,'. o a_M_ c _ so id '.~. g v* '
a _'.* -...,. ~_ _p _ a.s w. a - b.In_ _.J_m
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-n-
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j vill rapidly res: ora the pri=ary va:a: :o :::=21 levels.
8 l
. _..r.ea s _,as.,_.s, ye y aa,..<a..e
.u.a _.s.a <.1u< _<... c'
'~.a -.=.e.....'_~~~_
l l
r.
a:d nor=al coc14:: =akeup systa= cc'ces:: 1 se:c ::s:s'an:s dcas :::
prov'de a basis for racuiries== a especi:; i chase sys:a==. ~
l Ga.a. e. z '. '= a s '_,-. C. _' _ a. *.-..
.. _ - _ <. a _'. va _..s
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I
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e.
2,_
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y
.u..,..r. a.;c<pa.a; _.
..s.
6 for "an:1:1pa:ad cperatice:1 occurrasens".
Such eccur ance: are j
j sps:ifically defined to includa loss of ail offsite pover.
$ ~ *..*. c '..' s c.._' c..
.*.1 G*.-'.'.....
.~..r ' c a - ' ~ c..~ n e fa e:
T c.' d 2.* av_* _ '_ -..
\\
f := this racuirassa: becausa this indica::: is bachad o
. % s:id "a
rangs ca: Para:::a indien:io: tha: an: ands to a los-11=i: of 50 7.
o j
Uai:har d: va c: sider :he makeup fi:v :::1:o 1.s :o day'sta sinca
,1 tha =mus:
of'=thaup fici i: en ess c' 1 0 gp: do-s 0o: a
~
i a signific:== fac::: in :he cour a of :heia cc:c :ancas. ppear to be na less of pressuri:c: va: : leva'l indica:1c: could be c: sida:ad :s I
{
j devd.a:a f::= C0013, becausa this level 1: dica:ica providac the prin:1ps.1 3
=aans of de:a =ining the pr' ':7 coc14::
4
':ven:orf.
Hevever, p;cvision i
of a laval indies:i:: th:: veuld c:va 411 as:icips:cd cc urrancas =ay j
i
- r. : ba ;;ac:ical.
A.s discumsad abcva,.:ha less ef fasducts:
lead to a =c:as:a:/ condition wharais ::
ave.:. can becausa tha antira p:1:ary sysca:s c ::ains=aani:gful level axis s, s:a = va:a: =1=:ura.
I It should be :o:ad :hi: :ha is: odu::':
- o.typendi:c.: (las; par:gra
.s.. _ _ _n_ _..,.. o.'
s.- a..*..'. a <..'. _= _.' a c a, _ o....' w a, s '.
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a.,... p _s _,. a.
4
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..b..-- dc,a-..as*.8 c= t..e' A
C:': aria =us: be iden:ified and Jus:ifiad. na discussie: of CDC 13 8
is the Davis 3 essa 75.22. lis:s the va:a: laval ' s: u=an :: ion, bu:
,, c.a. _,, "
- c....'.=. p... s '. *..'..- s
~. _<, a,,.c _',..c__*,....'.~~.*~.'.=..*. e_ *....-. ~.
o '. ~...*. c.' ~..~..*~. '
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.As t
JWJAIT 4, 1979, 7?.C'-! J.S. C?.I5WII,I. TO J.T. S!?IITI?.
4 4
- 4...
A me== froc 3G regarding c:::::1 ::d driva sys:e= trip b::akai 3
l c-in: ann..:s 4.s a::uchv.' d incle.s. :e 2.
Ih!: =2=o Ohtuld L.:
8 avalustad in :ar=s cf shu':d:vn :s gin :i==::ance and AIW5 considera:io:s pa :1:ula:17 in lish: of largs posi:iva =ederato:
coeffician:s allevabla vi.h 3&7 facili:iss.
DISC'JSSION 1.20 1 ?;.'.U.\\ TION Our invps: iga:1:n of :ha above circui: braska: proble=s has ravealed tha: ai;h: fail :':: of rascter scra: cirini: breahars :o : ip duris; f tas: hav4 bes: reper:ad f::
3abcock & Wile::: (I&W) :ype opers:ing facili:iss sinen 1975.
In ca:h casa, :ha faulty circui: breaker was
~
idas:ified as a CI type AK-2 series (i.e., AK-15.-13, 24, or 30).
T..c causas for failura vara at:ribu:ad to at:har binding within the 11 hags
=achanis: of :he undar rol:ags crip devica (i.TV) a:4 ::ip shaf: sasa:bly c: an ou:-of-adjus::ss: condi-ics in the sa:a lin;-age =cchanism.
3G a:d GI 'da:a:--d aad tha the binding and the ou:-of-adjus==ent c=ndi:1c=s resul:ad f :: inadequa:a praves:1va =at::s:wn:a p;cgra=s ac :he af f ac:af opera:ing facill:ies.
In addi:i = to the bratkar proble=s a parianced a: :he 3W facili:ias,
thras cir::1: betakars of the afora=es:ie:ad GI :rpe failed in st=ilar fashi = at the 0 sta:
/
C ach opera:1:3 facili:/ c Scvanbe.: 25, 30, sad Cece_b er 2, 19 78.
As i= each casa theva, cis: iu; :=d relubricating of tha W/crip s:.sf: assa=bly vi:hi: tha circui: breakar was requirad :c corrac: the p;celas.
I: is si; 1ficas: =c no:a th : duria; che never.bs; 30, 1978 aves:, both redundas: service water pu=p circui: b:cakers failed to ::17 as raecired during :ha 1:ss' cf ofd-si:e power :sst. D.cs a failurss in tu:= crea:ad a >ocas:141 cvarload condici = c= the a er;ency busses duris; the saques:ial bus l'eadis; by each dicce1. generscor.
.a
,f
(
E:vever,. both diasal genera: ors successfully pick 2d up thei: raquirad bus 1cces ui:hout experis:ci=g a uci shu:devn f:c= an overload cc:di:i:n.
WL:h respect :o :he generi: i= plica:1 :s and safe:y significance of :his issue, be:h 3&W and GI are in :he process of issui:3 aler: 1s::ars to 2
thei: custo=ars.
These lat:ars are schedelad for issuance by la:a 11 arch and vill.dascriba che causas for failura a=d provida reco==anda:isas to raselve tha ;;obla=.
3as ad en our study findings and c infor=s: ion obr:f=nd in discuss'i::s abou: :he b:taka: p::bles vi:h the k :vladgesbla peopia fres 3G, CI cud
?.agion II, we plan to issue an II Circular covering cha =a::ar.
Tse thrust of the Circular vill be dire::ad :cuard the need for adequa:a preven:iva sain:c se:e progra=s a: all opers:iss facilities.
Specift:
rac:== ands:i::s f::= CI to rasolve cha abeve braaher p :bla: vill also ba =ca:ioned i: the Circular.
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a s::ing cf incora datac ors to 'ce always cparabia 1:
30.? rase:c:s.
. u..a p..,. c _* s. *.*s"_.'.':s.* o. va-' ~. s p ' a..-...d ' - ' -- c c..', a,.a ca.1.-~..'a a# -. '. c. a o c h e o e.. =. *. - c '..' -,.r..'..-.
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d a. a '_..=.
i i
i the potec: ra:1cs he:vas:
such as c sa:bly and =azrby assa blies :h:: hr.va d a:ar.:o rs.
Thes4 :::ios ca: che: c
=assurad assa:blias ce derive the p va'a =ul:' plied by :ha pcua: in the laval, in anf speci'ic unneasured a., s a a.,..
. ca...,.assc-y,7.<s
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1.... c.sas a._.. a z s..
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c.u.a.
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.,. s
.. s a.,.u... e. <.. e s..u.,, as,
j pcvarad assa:bly in the Davis Ie sa ase:ce a:
- he beginning of 'the ftial cy:le, this is==: the casa a all reac:::s. ';::
have :he highas: povar, i: :he Davis 3assa rase:or, a:does :hs can::a1 asse:bly
}
tha and o' cha
.s.o.s.
e...,
c..
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g s..s.i c, a.
es.... _.
t.u...e <s sc.....<..aon e...a
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a...
e A.
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t
.:.,... ; <... a d e a c... s us. f u.'.c.- ' -
a* a.s.. *...- *..'.y 'n.-... ".. a...-'.. _- =.
i and are subjec: := high 'ailura ratas. I: cria: :s ensura tha: an ade-i cus:a nurbar uill curvive the fea) cycle, sty==== de:ce:::s ara j
iss:s11ad than ars ascessa:7 's the pcuar dis::ibutions d--=-4 a:
To :se.uira tha ess:::1 s: ring :o be sivays spa::bla veuld likely rasul:
1cas.
1: :::aca:sa:f pcVer rast:de:icas.
l Spec 1'ica:L ns (!!S) for B&J plants ::ha ST3 # :hi:her :he s::. d.t d Tech CI plan:s -(which
'also hav e fixed ince:a detec: ors) rac.uira :he ess:::1 detac:s:s :o be I
c:ers::.c.
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w
-.... w f..,
A 30;J.*:S - DAVIS-3ISSI 1.71T5 2 & 3 AY. D M101.CQ C~_~!S 1 f.,
2",
DATID vu u..:.., o.
1e 7 9
- -.,.C'.! J. S. Cau. : L :D s..:. s,...u. ::,.
'...,.n.
a. d c c.,,
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a which resul:ad *= a severe ther=al :::::ian; and e c::c=a dif-ficul:y is ces: o111:3 the plani;.
7:e afcre en:1eued f cili:ias
. should be revi:ved is lish: of this inf::::: ion for possible safa:7 i=plics:icas.
D.e.C'.
.,,1 A D
.s.e..
.,N.
- 2. w.
v.u 7:11cving *cha cecid:v transien: a: ?.anch: Se::, WJ. avalue:ad the e'.a..:
a:d con:lt"ed that no s: ue: ural da:aga had c::urred :
the pri:ary c: clan: sv. 5 a= vhich would 2 ::1cde fu:ura ce. sra:1:n of ?.zn:ho Seco.
I:vever, in :hei: safe:y evaluz:1cas : hey con:1uded :hc: posi:1va s:aps l
shculd ba :skan :n ;;eeluda si=ila: ::ansie=:s and chs: :he generic i= plica:icas of :his even: should be ravi:ved.
I addi:1:n, II initia::d a Transfer of T.a:d. ?.asponsi*aili:y, Serial 2*c. II-?.0! 78-04, dc:ad April 25, 1978, race==ending that:
1.
N?J. perfor= a generic ravisv of the :: -::: lear ins::t=ents: ion
- cva
- supplias for c:he: 3Gu1:2, if design cha:ses :o :he ce:-
nuclea: 1:s::t=es:a:Los (WI) pcvar supplies ara ree,uired at
~.ancho Seco,
s.
2.
57.7. a. alt.tec tha su::a;:ibility of 3**J p12=:s to o:her 1:1:la:ing eves:s or failu as which could cause si=ilar significc:: cooldsv:
- ansia is.
~.*..is eve : is curres:1y bain's evalua:ad by N?J..
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Barbara:
= c*S. uft%i.
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6
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L Gly
[ptyg}gSh g br.@dx.g u.,
gTl f;$;f~{.,$-p'.G dg.; n Ms. Goldfrank ace'epted the 7 boxes 7d Egg (from
- Harrisburg) which accompanied N
-Mgyg-HyG_
- this letter of which one also addressed E @'$74h.iV-g'$p j
p%;%'s ' rim.,1 4
.d
~ ato'Stan Gorinson.
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I S H Aw, PITTMAN. PoTTs & TROWB RIDG E
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.=
WAS MINGTON. O. C. 20 03 6 a
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ste c=
e.=s,o.ec.*t's.=
o c.= c.6 = c 6t e c a casas sa..oo secw e
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si c =- c = o. ao'e s a r.c e-c = e. =vette n tc6cco ca s.c.e.s. e c a.e = o.r.c a
- s. = c s s..=.= 6.=
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s c o.ac c = = =c c.e s. se. ec= mor.c.6c=
so=.e.cw6c =.oc e so me.et e so m.e =s
.= c 6.c.s s.c sawc 6.v.a. s r. ra m.e 66 a
=e Tc6cs c.. =.c.o 6 s o n. se.
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v.ct o e.= s. ec e.s.= s s.o=.=- c os t.c.66.s e.
- J %.s.. *,... ' -
s c.t = o.es.66.66 e s.a e n a es-.=6.= =sas e
.ss.=c=a s
ao=
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c gg.s..,6,=.
c e.ne s.6eces acoacc v. auen.s m.c-a c 6 c. a.o=6ct. se.
e.
.sossorts sco.c c o. ce
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= =. e e oro = = s c,a.
es
=osos t = c =. s =. =e.c o = =.ca so== a. sa. mon reco 6
es.c o oe.ettsc s w s = = o. r.6 s e.cwc= m.tuc.ow s=ce st e
CD*** o s. c o s 6.=o m.t== =. c 6 e. e a c.c o. se, 6...o. s. = c i s.e n o
v 66 c
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~
August 17,.1979 s
Ms. Barbara Jorgenson President's Commission on the Accident at Three Mile Island 2100 M Street, N.W.
Washington, D.C.
20037
Dear Barbara:
By letter to me of August 7, 1979, Mr. Gorinson recuested that we provide to you a response ti:i, Commissioner Pigford's cuestion of Mr. Arnold, during the May 30 hearing, regarding receipt and distribution.of.NRC Inspection and En-forcement Division's Report 50-3 4 6/ 7 8-06.
I an informed that this report was not received by.any of-the GPU System compan-ies prior to the May 30 hearing.
After the hearing we obtained a copy from NRC's Public Document Room in Washington.
Mr. Arnold is preparing a response to the Commis-sion which will confirm the substance of this letter and ad-dress as well communications the Company received of Davis-Besse events in September and Hovember, 1977, which have received considerable attention since the TMI-2 accident.
Mr. Arncids letter should be completed.next week.
~
- n.a -- r.i
'.l.*dy...
. Sincerely, 4
=........ w. :.Cs r.
1...
- :. ~.
ix(..:~n.:.-}:.
Q g
Ernest L. Blake, Jr.
m, Stanley
.,,M. Gorinson,.Esq.
cc:
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ME/ '
on the. Accident at Three Mile Island
~ '
Dte 2100 M Street. NW Washmstort. DC 20037 or August 7, 1979
~
~
4
- .-
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Mr. Ernest Blake, Esq.
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Shaw, Pittman, Potts & Trowbridge
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1800 M. Street, N. W.
Washington, D. C. 20036
Dear Mr. B}ake:
During Mr. : Robert Arnold's testimony before the President's Commission on the Accident at Three Mile Island on Mav 30, 1979, Commissione Thomas Pigford asked him to supply the' Commission with information concerning the receipt and 1
distribution of a certain 1978 report from the Nuclear Regulatory Commission's Office of Inspection and Enforcement.
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. Com:rd.ssione:- Pigford was interested in learning whether General Public, Utilities and Metropolitan Edison were aware of I&E report 650-3467806 which conveyed "new information j
to licensing boards" concerning Davis-3 esse Unit 1 and 2 and Midlands Units 1 and 2.
He asked that M. Arnold detail who at GPU'and Met Ed were aware of the report, when they became aware of it, and how the information'was communicated to others in the organizations.
Fc: your convenience, I have attache'd the transcript pages at which the request appears.
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Please forward yod: response by August 17 te t.he attention of 3arbara Jorgenson at the letterhead address.
If you have any questions, please. contact me at (202) 653-7660.
Sincerely,
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'Sta M. Gorinson P
.f:.ifi.t d Chief Counse1
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Barbara Jorgens'.oC,..
Commissioner Paul Marks.....
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