ML19098B267

Letter Response to Request, Enclosed Pressure Vessel Irradiation Capsule Program, Examination and Analysis of Capsule T

ML19098B267
Person / Time
Site:	Surry
Issue date:	09/15/1975
From:	Stallings C Virginia Electric & Power Co (VEPCO)
To:	Goller K Office of Nuclear Reactor Regulation
References
Download: ML19098B267 (3)

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• -Vepco 1R!egulatorv Dndrnt Fife Mr. K. ~- Goller, Assistant Director for Operating Reactors Division of R*eactor Licensing Office of.Nuclear. Reactor R*egulation U. S

• N uc l ear Reg u 1 a to ry Comm i s s i on Washington, D. t. 20555

Dear Mr. Goller:

Please find enclosed 14 copies of our letter dated August 8, 1975, Serial No. 631, and 14 copies of the Battelle Columbus Laborat'ories report entitled Surry Unit No. 1 Pressure Vessel Irradiation Capsule Program:

Examination and Analysis of Capsule T,llwhich was an attachment to that letter. Thes~ 14 additional copies of the letter and report are furnished in accordance with a telephone request to Mr. T. E. Stephenson by Mr. M. B.

Fairtile of your office.

Enclosures Very truly yours,

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C. M. Sta 11 i ngs Vice President-Power Supply and Production Operations 007*~

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Ausuat 8, 1975 Hr. K. n.. GDl.lcr s A.~,d.ctant Director for O?cratj_:~?, ~:.e.acto:rn Divicion nf i'..c.2.ctor Lic~:1&inz Off kc of :;ucl<:.J.T r... ~ct:or R*.o.;ulnti..on U.So 1:uc.lcnr }:o.:::*.tl~tory Co::-L:1i.Gs:to:1 llaoh:J.n3tont D. C.

20555 De.:.u: Sr., Goller:

ScrLll !io. 631

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Lucket ~o. 50-280 50-281 L.tcenoc l~o. tPR-32 D?:rt-37

\\:e recently t:cccive.d tho. r-e:sult.B of th~ annlya:lf. \\c;h.ich t.'~:s p,:;;:fon!cu for the irr.r.di~tio:1 r.:~tc.::-ia.1 G'...n:....roilJ..r.;:ce. c.:;.Fr.:ulc which "\\J~5 "'l.'('1:ovcd fro~ the Ldt J.io. l :tQr:cto1* '1~-r:~~£e.1 nt. th~ Su:c:cy l?o11C':.t' Stv-t:Lot.1 <lt1-rin[; it3 fi:~.::t 1:cft1C!l:L;1f_;.

'J!1i6 nnnlyD:ts 1:--~?.s pcrfc~--.. cd 11)1 JJ;1t:t~lle Colu::.buo I..u!hJX"ttr:ories fc*b v,~pco c.r1d in 1~e:1c~te---J :J.. ;1 t~!1c t;.tttLc!*i!:*d doc:u:::.. r!!ltt,*,S1Jrr:1 rnit 1:00 1 frc,;:,ure \\!£:D9e1 I:rr~~i~1tioJ. Ccp~-:.:.. le Pro~.ri:r.1: E..'=.l:.:.1il1u.tio:i end ;.. n.nly*si;) of C2..p~ulc T; *= <ltitt:<l

... h~*.1e 2!,~ 1975 *. Th1.n =u_..,_fot...w.t:tc~i.1 in hc:1..ng nubmitted fr,r.* yotn: ;b:fotYl-l'.ti01.1 imd 11!:a.

!....s c t'l!Vu.lt of tl:~ 11112.l~rg)..o :i... t hnu l)e~-;i dct.ez\\~.ir1e.d thn.t ti..,_;:~ \\,.. eltl 1:iet:J.l npec:toc:1 ~-~nd the! lr.:.~.Jc.2 t t!});i~r ~!1ci.f r:nr:t"gy ant.I it Cect.. c<!!;c<l f 1-0~:1 70 r.o :,J f:t~*.. lb du~ to i1.:r.:.1Jiati.0;1.

J.hr.! b:tgb.c~st:.30 ft-lb.;;.!10 50 ft--lb it-r~Ci.ft.tr~d tr~un:ttic~:..

tC!:':;)c,re.turc!'.o obs,..,:cve<l,t2rc for th(! t*:t1ld r:ct:o.1 11 l-::1:!.ch y:1.d.ck<l v~1luc.n: of l:;0 deg:recs 1 ar.d 38() degrees F, reBpect:ively.

On July 17, 1973, the Ar..C peblit.'hcd :u.1 the l"c:dercJ. Resin ts~.-,.,_~endoc.nt~

to :!.tn T.*:lr.,ulati.o::c ~-n 10 CT?.. !JC, t;!.lich &:.tdcd e. new eppc~diA :1--ic,.ntH:tec.!. 1.w

.i\\ppWl<ti:c G, t*c*rc1Ctl~ie 10~1gt1YH.":f.:3 r:equ:tr0::e11ta. u Urou t~!COU!~; c.ff,.;c.ti\\"C: 011

/:.ug-..;.st 16 ~ 197.3, t;:e.cc ~c,,; rul0:n dcfi!"lc tl~::1 b~ltlfo.r: :;..*~sicn. of tho re.:-ictor t1t"c:;~urr:: "lf!SD;!l, ~t r.1.atckitll ac..c~ptt:.n{~n criteria c.ud d(*fi..~~ t:11t1 rr:.1.11i.r£11t:l.

frli.ct:ui'e f;cu:)m.1;.r;z r0(;Ui-re:::c!nta <iuriw; the. lifct:ir1a cf th~ 1.::.1it.

Sir;.cc tb.c:Jo ret;ul.at!.cns bc.ci:l:',G effcctivo crtc'.i:' tlrn clc.s:tgn, co;wtructi..bn i:u.~<i c-pcrz..tioa of the S:.n:ry 1~0*.. *2.::.- Stat:Lc,n i Ur:it l"!oa. l i;.1..1d 2 i, \\,'C havt} intc:rpl."et:cd t1wt t.i~cy: u1:e DCt Gpplicable to CcD D..for;;'.r:.:11t;.ionod units.

Conta.1..ncd in 1,p?c.ud:tz K ~ro 8?ecified im~e:nr:l.co re,;u.irex!Cnto, Scct:i.on V,

,rhii:::.h i:,::ov.tt.:~ guic!::~:i.cc Ci:"1 currently ncccFt.d1lG Ut!..lt,r.!.:;.:,:cln for ev~.luat:b1g ra,H!tor

• ve:; r;r.11 f r.-.-:i.c ~ur~ tc~~h:ic8Q.

Iu,:.<l<l iti0n, tho C'.c-~-tlrsc:i.on. iszuc~d ~-q_~ulctory

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Pngo 2 Mr *. K. R. Coller Guide 1.99 (r..G 1.99) in July 1975 for cm~eut. lh~ Sttmdn.rd Review Pl.ens nlco £!.CdreBs tho subjecta Tbcaa docur..cntt.. to our knowledge~ provido the Cowrniosion' 6 currcD.t rosition. on th~ oubj~cto Ill &ccor<l.c_rc.cc l."ith Section D Of J1v l. 99, thr,; rcq_uirC~l<!lltS Of tl'Jlt ClCC.U:~Cnt

• Will be used in CV<llm~tin,; '1J.J.

prc.dic.tfonn of: redi.ction d~-.sga c;illed for in i,.pr~r:icc.u G u~d H to 10 CFJl 50 eub::n5.ttc.d on or :1.!:tcr Sm:!unt'y 15s 1975.

For p,rrpor:e5 of reference va lk"l.V0 co-:ipnred our rc~ults with thos.e specifiecl in tlla gcl.de.,

The. 12,c~sured dec~cmJe in c~elf ~:1ergy for l! gi\\*cn co?rH:r conte.n.t and flut~nce :o.s cte!::cr-:::ined by tl:e rmclyc:i.s co~pD-l"c!9 fr,.von.tly '.::ith thnt ;ircdic.tcd by Y5.,-:urc 2 of LG 1.990

r..,:cou::1c of the f:<~:2c;:.:J_ ~;ocd o.gre.e:;..r:Ilt cf tho 1,,cacui*ed.

vc1_,lue, j_t C::n1cm:.*i:; r.ca~oni.'ble to cSG\\i:~ thnt the use. cf the cur,rn. to. predict

\\-1he.:1 D. ccrta:i.n. f'Ihelf c.ucr.r:y 1--:Ey be t'c.~che:cl io 'valid.

The P-C'r.1 r.u:r.cJ E'.'hi..f t fa1 trc.nr,ition te.:.r;cr2,,trn:G "~5 165 de;~ rceB F at -the, JO f:t-1b trr~sit:;.on tc;1?cx*atur.n 1:_1~d 230 cic~~cr:n 'F s::: 50 ft-lb.

71:es~! tc~--

pm:atu;;-e Bh:Htfi c._:-c r.rer.tcJ'.' ti1,,Gl thos{l }n*c-.dict:e:d by the re~,!lE.tory guido Gnd the ct1n*cr. contn:i.r;,c:d fri Te.cl:uicllJ. f;p£c:l..f :>.cEtiou 3.1.

l~:ir;~d.on t:i~e cbtn. evnill,blc. 1-t.::r,pe2rs timt th~ ur?cr c;hr:.1£ energy' of.

the uold.~i,Ccr.:wl \\;:!..11 dec1:*::..:.1r::c to SD ft-lb o::- bc:!..0~1.

I,Qe,1,136 t.his S_n 7_1.3fow tb:~ vcluu col1t.ri.i.:1ed-

~"1. the tt:s:~_s of tl-1e Tcc.hri1.r-<tl s~~,cci.fiu.tio~:n c.nd l~?r1~~.dl.~

(~, 10 CFit 50s, th(; t.:I1.ttcr in 1:~1-:.zr; tr.-cl![i:.t to ~/our ct~~ntic~:::..'"

• 1t~ pI~.n to r*r0c.1:*.cd

_uS.th nr,1,~op;:."J..?.te,:m1lyt:co to cc::fir-;'.l. ti~ 8Gec1un.:.~y cf the fracture toughr~e:.,r:J ci=

th(! i*0!.!.ct(;!" V<':r.a::el.c.~tl,~~ woul,i be r~le&£cd to r_;eet,:ttb. you in the 1":car futu'r.'o to t:utu.:i..lly,:ctc'l::>:::d.uo oui::'.fut.!.1):e e.~ti.o::c. lf you C::'.l!;ct.rr tL-:t.:i r.:,1<o:t:b.g,;o,~id b~l beucf ich:1 1 l)lc~&o P.Oti.fr ur, to c~tablish tile ucccn~:-ary 2.rn1n3c2e:atc.

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