NUCLEARDIVISIONBaltimore,Maryland21203MAR TIN COMPANY

In reply refer to:ACC-312

July 9, 1964

U. S. Atomic Energy CommissionDivision of Material Licensing.Vashington 25, D. C.

Attention:

Subject:

Enclosure:

Mr. Donald A. Nussbaumer, Chief,Source & Special Nuclear 2,aterials Branch

Froposed Amendment No. 21 to M-lartin MJariettaSpecial Nuclear MAl;,terial License No. 53.

(1) Proposed Amendment No, 21 to S.N•;-55(six copies)

Gentlemen:

,e submit as Enclosure (1) our' revised submission of'proposed amendment No. 21 to Vartin Marietta Special ;Nuclear2-aterial. License No. 53, which describe.-, the fabrication stepsand control criteria to be usd in the fabrication of a nuclearcore of tubular des:ign employin- apl;roximately 5% enricheduranium dioxide pellets. Please consider this -iubnmission ;..sa replacement for our subissions of April 1 and 21, 1964. Therevised submission identifies the shipping i.ind storagu containersto be used for the receipt of the 5% enriched uranium oxidepellets at MIartin, describes the cleaning operation in detail.,and includes, storage of fuel in the in-pirocess storage areaduring fabrication processing.

.'Fe regret oui, delay in supplying this inforrvaticn, butbelieve that all aspects. of shipping, storage, and processingare finally firm.. .i'e will appreciate receiving approval prior*to our vacatiorn shut-down schcduled to begin on July. 27, 1964 andw.ill he happy to discu,-s any questions which you may have on oursubmission. Thank you for your usual excellent cooperation inthis mattcv.

Very truly yours,I h<---

C. .. KellerNuclear Accountability& Licensing I1epresentat] DlV)SION OF

MARIET'TA •

C", I /mc

Enclosure

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2V Copy Provided (GOrn'VnancS 'A 711511-41/N

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TO SPEIIAL N!UCLEAR. MlATERIAL LICENSE$ 0'0 53

It4 A.. a~. the iDrpok A wthis ±pita..'.xd J4nnn.&..wevt, La, 21 to

SN>-53 to deiscribe thet prco->rgs avi c.:ontrolt criteriv? ;qhiChwill be used in the~ fabr1 ativn of' a nuclea~r co-re of ;ubulerdemiign employoing slightIy ' 2riahvt urnnism oxide pllatzw

±7 Care loo~ting * t W Ila,~ U-233.,

Al. Enriztcs&;rt - 2it1' l't....d ~.t f~

U ~ ~ ~ ~ ~ .2'.'. Vscrlq Al~ Z.<2 U-2W.kW.c~t

7? Ji::1.i't c otur.s! J.(ca imc.lot.,

0. poltW . Q

T& ym4 ew for tho M C100 ofvThna

A ,v.:fl ly twaX; per: cont:Uaid'aw in c~.. QvW01 .... for ywcztpýq&

2. Stw~n' A' ~c7c giKrý inK t>. nmovir.r .'tori~s' arcs AR an:

Trannfor~~':.. W,,,Alcvýocntie

to t\v:4 :..~n -akao rnY a n ~otW4.. rr 40p4,. frW W Msj -o

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Page 4 redacted for the following reason:--.------------------(b)(4)

6. D:.4 ~:: egilt WIrP:OeA~tKc

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9 * x½:euvly of foo elei.tnt

y10.Straga~y%- Cof t:Y full vc22.c'

A cicrh r 2fz2 is? (hfflnyi an twy ?tV 0 ! ie1 w: c.atio a~tI a ,. . ....... fabric t . .ion Nap.i...............chI.-%,

war% crm W1 . •:u:•.•r t' fli an otive work r3ez. by :"'* -, ci.tana , of two (2). Wt W AM be w;r defi ned ttio

mak. Anzeb, war vrn in Mi3ch MAO "P7e2Camp nt; r;

1¾.;fb'. d int . ue ,, shall be ,> by a wo..di ;.na of fi VA Cnfr et nwr ra

soznva that Wv~~k n'&T limits"antW;le!vv-ý.... wan Orc And fo an .n:r--, ..o .• . .. : , ••2' n :.

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110 O.Aqa 'e COO a I -- s eas lc

..... *s lao shi. p i ga)1a.r ." -w.il:V l by1",t.fc the :ix-:. a;ct oQ thte oac.. tubes £rom the Ma.rtin Sbcon..-tr--ac to:r, NurJclear, Fuel SKr.s'ice2,a-. l'",'i T.. ' 3 The TUS7K app3rovai of Zt.Z sZ3.TlnY:Ul'&$ - "Al"..~ai.*:'~.

bo outaanv2 by thx; PVc -'a. Fact Sqrvicwa

-ase iconta.'Ž<v. -tnin of a 'I inch' in'. r daisete<4

vuhadiv C nina ti~ce& by welit in th- Snntx of a' Gtada 43!I g3... 05, . g'' t". .... .. o.r dai;anta2 A,ha ny approve by t*- yes Y:on% Ou"aton 0 -'fltfc for tW'.'

h. l of 2 VI * -. 12& as Tra ' - '7..o scrap mattriaal

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int;4rn :.&. Ayew't n No,'. it) to Specia y-'Hi,.l-. 4 r ).*'tut' '4

Linv No KC, no- a -,fo yon, 0 ar csn djtad zpy p ,

! '% s,..: , ThC :•.. -.K . .. ......v' 4 • h., " I'}

rG. . to Mr .......... ....... . W.

I..-. -! - .. ..1 ý A so "..g m. .g r- 2 .re v.. a

to 0=0a &nt -~o C" 20AVr it -mp of..I tho &J-' ',~ ~.- vUnt r. Y•Q Ž.. 2. A'Z C,4..< -,.-..* j~ .

Pages 7 through 8 redacted for the following reasons:------------.---------------(b)(4)

,u"o.e of Lowdod'Tubs pir to .. r...t:n'

Eaoch container d ',x ib,. An the pr .. ,d,, s:etion. re.,eive.,by Martin. from the vender wrill ,1contain a waxism. of 27 loaded

'which repx'es t3 ne .erth of c ... pl-ted fuel elemankThe total U.-2 3 H al:t for ea.c'h .o .t.. r wil . . AA 0,Las, ,..aVAJ. r JLilOl t c r-.",•i•a

icr: U-'23&5

Uman receipt cf thei .hiytji contavint .f:wt&, a$ thcroug,in c.ti on ol each .uiidn c'P .oontai.ner will be made by WOrNthucear A N' Mterilal i'anag'mont , Any containers4' whose integri ty. .q. "tiad w.il be s.'m.'m.•t. iN;.tistely from¢ the othe-

conaZ, :;r& a.nd ,.;a....t.d for il.alth physico mad critica•it;=ontrt..t2 EY : -, C diC; ,'.,E, daVrin .norma 1hipment i,

not nypec el .rzdurLs th' 4 gth of tt shipin. g cot•ainer-'anud 3. 'ak.-a, of vt d. n•CtL.Z, , p.p. probah3. 1.,, In alln...-2>',.

how.... which xa' b, Uacannory in s . ttswair daw' peck.g.ns willbe.. uaflr t'' divot? rtn 3w' of:tvt2fctte

x-. t. ta'rary ,.org, of ,thfl -i' inS ,c.a.xtnerz will 02-¾ UP ar jurs' i stwc of Mtirt Th ' ;enr 14tA ial HacnagroeW

.. vnd oil•• !,..,. b•e and.,:,..' ina t'"h,.e nuclear u. :,;*lorc;: area o:,hich Rc .d'ep~ictw•..,.: ,,•• .'¢0 •• ,• •,.:, •)....eo po y n '';a''"ng, ' Sp:(;iciag of the •oc'ty,"ino•S. wil'hl W••:-

Be I GG<rO.Le with~ AEC cri' erIN- -- t * - -y ý -'

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h * Al'lowabl•M:et$ a for Qh 9 is 800 rwam U=235

i) U-235 Density,2SPY, ,

:j L¶ufOa+ rponAty for &kaitl

a3 s O.~27O E; CX-2

(:Ufl2Ltv no W½~it;- eor~ractr'. c'an hev '2GC%

Un4..:u -ercto fr,.t'i -o 51evcdfe

* CRoM U 2n In dJurY. tv. 'q.g cm~t~rin;r !I oririciiypol fray' Cr,.t~cl t2 y by %eano of2 man con~trol, anth~ Ws

revlt 2 T ditato na 'VwONtIt SoUM~ vill & 2 5 farr W~:

An tr'rn%' rcz eu 'orw:Ono for', ~ctnu~array of 6 RW1 fuel rcanta~rsr vith a. niont xv ~sig of30 inches- ceniter to.v 'otp Blennasww of the orvaw symm;4etry,'Figur& 5 tdw..rto on.,tly a Z*v., furti of Vthe tota qtr1-,

A Vast cetral± unit" ou.tsida the cquadsst--zacchilosen2 fo~sr th &ok' angl r.~raa un2t an shownPrtinant~2 ýtnt h .. ad en 2agtt027 are tauldi bF~at marin WoV) caclae nai angl is. 1.24,'

comor! th .. ian allov4~a:e FPS''b of 200

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Pages I I through 12 redacted for the following reasons:----------------------------(b)(4)

MY -e Q2. *St-rr.

Lac w~tork nrea shall be atssinalvwxu of onestrgrack each COMMaI$12; two S torage boxes. A dronin~g of theAourr 'g rack and boxes whi.dch wasE optpr.;yr ~2In AmenennTwrt. No. 113towNU5Z is 2.Thlitk132f tine¾o 65 ScorauŽ of fuel tU>E in

thet W;Cag& boc atth rwrk arta 1c~tia shallU r W~ limitedto' W fuel tubes per tw 12) mtor'' bits. An evaiuatirn W!t

ta, 10 fuel tubes,. the qnat't contLine W a fuel -i- nt

fue tuo in a. 7t q bin an th

Pages 14 through 15 redacted for the following reasons:----------------------------(b)(4)

,ill . used £0:" :storege of tW.Žvlaro .t_ t-ub: .:•airz the fal>-..,Ut4¼ oX & "co Of t. b.oal eotly

nrii& urian.u.. oxide p:Jiets, The £ollo.izg •uc~ctr safetyeVOlWAt~iofl dJflr- .:tsthe CefifJIonfZ for ;torage of the tubular

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Pages 19 through 21 redacted for the following reasons:----------------------------(b)(4)

U-235 has beenm etablicd base.ýd on a flat trcay ;znd aminimnw critical thiims- of , , u," ~s ,a d e f in u in'i'IU-l7O613 1?evi~.;n 1, Leal, te:&At opc:!ration,", are defited by theCha.imbr dimensiono wrhieh coxply with. Xha al.ay,, rafe eight innci

kl ,:me"oar *'ite a of Vi-. ,,-,• .......'Io:-so C.an: or oms )ar;? beens established acccri-.ng t%

thL nuclearj safetyr" ,..n ..... Alowino this dis.cuz,:iono Sinceaccountability fe:: each tube io nfsarv £f'om a prod,--• tionstandlcint in th. as.-ibl. of -pr-.ei-ic tubes in a fuel emei'en4...,;triý,'t. aý;com.m ....i. tv is r.ui.,! ed ur -. ",'.ning operation;•J•ow•Yv.,; po-sibJi-ty of dtyi-uo,•ion of any tuba duria•; c1nin'IS :0t, pc,.C.1n the c!kanin; vaid:• are for the purpose of

.u rf C r I 4.-" lnonl -. i• of III'-' is nacessr~y for d..so.utionof th c stain lo:' •; S te' z.. t bi•.g shalI be proh.bit .. A ,.zlvc i:.l*£ixed ic~" .- .. btlc clcanidng

takia .,li,O,ý. n;~ r t o hi lb :oi 'ta,,c ka 11 uef ao. C% ;.;a u l e r san-f e0t y . .aI ý --. t i.3 fo z-, t h • e"..i i ng,•

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X.~~~~~~~~ MI 7 oC""Vton UnunWn.

KO PRI CALCUI.,A.TION

,,. I_. S~4 ATv

L'• Equation (40)

2 LmL¾*' Y A. . ... .

where e ba & c are the critical'dinienvi ab whiich inclusde reflecto-rsavinpg2 (26.3 x 31A4 x: 199 cm resp,)

wh.re L. 2 ,38 M•a ioderator therimalneutron diffusion length

0 O3744,0l2 ,n97

F12

t 2 2C 15 • • • : • •. + •:: • . I. IE<' L+ Lc . ... ., , ÷ j"I.".,2

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(2) :t•tt> .. .3> " .~ J-...~ . Eqrai,(1) "".A ?,sr Qu T"' - .c, a

(2) . " ',.'A

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(9) "t ':: "-" ....3

(10) Nuclea•;r W HY, ..... .. 7 15 ,ig... ..... ..

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exnW l WQ2

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b)(4)b)(4)

WAS! Is-swalA2 m jvt%,

wro5 0

Jo* ¼ * - -

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Page 28 redacted for the following reason:---------------------(b)(4)

Wl•em "a set of 104 fual tubT_..', huv,•' been accepted for usein a fuel .•e,ýcnt, they will be assa.'4,-.d into the grid.tructur'e to form a completcd fuel clement., Figuri: 12illustrates the positioning of the ful1 tuibes in the gridstructure and tV.bulatc- the minirum rc..Itical dimensions, Asin the case of '.be ,torage boxcFa, safe geometry is the cor=trollin_ Tc10or,, A limit of on_: eie~mr3nt per work area shall.'I .• ,. j.Aý t ( t vbe parmittod and t-,.-anLfer of the coripiet'd eiei,'.•t to sto-pagewill be cff-•cted pr'ior to tbh fabri.3$icý of ac:the v fuel

Complet.c-"2. P-e el • tv.1v be ' in the nucl,. .arls!."toerage aea in tb- D ilding Sin: ,.- geo.-tr'y is thocontrolling factol- for indiviun.i elenr.ts, m .maximum totalsolid angle of 1,0 steradians is req~i':o Vertical -'Aoraguof the elemnnts on five foot centers will be maintained byMartin Nucler Mzaterials .Manage•mt.,- 4 -Ihich has jurisdicýArmovezr the stCalgz acu-ý Calculation of the storage ar.vyips.::ntod in Figuw.; 13

Pages 30 through 31 redacted for the following reasons:

(b)(4)