ML19241B743

Submits Proposed Changes to Tech Specs

ML19241B743
Person / Time
Site:	North Carolina State University
Issue date:	07/10/1979
From:	John Thomas North Carolina State University, RALEIGH, NC
To:	Lear G Office of Nuclear Reactor Regulation
References
NUDOCS 7907230478
Download: ML19241B743 (10)

Text

.

NORTH CAROLINA STATE UNIVERSITY X l' ix ' !

h1 'i o,,,o,o 1,n c,nso n,,

ih n W 7 /n 27(,5')

Ti i i n.c.s, : 919. m 2191 July 10,1979 Mr. George Lear, Chief Operating Reactors Branch 3 Division of Reactor Licensing U. S. Nuclear Regulatory Commission Washington, D. C.

20555 Docket No. 50-2 97

Dear Sir:

In accordance with 10CFR Parts 2 and 50, the attached proposed changes in the Technical Specifications to our Facility Operating License R-120 are submitted.

The proposed changes have been approved by our Radiation Protection Council in accordance with Section 6.2.2 (d) of our Technical Specifications.

Sincerely,

-Ag&:awac-Joab L. Thomas Chancellor At tachments:

Proposed Changes and Supporting Analysis to Technical Specifications CC:

Dr. T. S. Elleman, w/attachs.

Profes sor J. R. Bohannon, Jr., w/o attacto.

Dr. R. F. Saxe, w/attachs.

Mr ; L. T. Caruthers, w/o attachs.

Dr. E. C. The11, w/attachs.

./

J,/

Subscribed and sworn,to before me

':[ H Y //

,MM this

/2 day of %4

,1979.

Not'ary Public Y

S

My commission expires

~ C

,n~

7 907 2 3 m 7 s"n / i

aneb M o'9 /

18 June 19'/9 L:n'n.t. a n' o. r e.a "a.~ i sm..pa.;-

. u n <i,

'o, c

m. n r I. r.s '

1.v e.. e. '.'.o c1n.1 u.-

n' r n..

v o

2

<s; m

o.

n 1.

Pection item:en t"d Cl 'ut 3.3 a Chance te reaa:

?>ncuring Plmnnel Minimum He._Crer

,l o d.

Pulce Energy or I!-16 Cl,annel 1

3.3 Change footnote to resd:

(c) Requi red enl:y in the pulac mole.

nequirer ei ther the Pulce Energy Channel or Il-16 Channel for mer.curcment of pulce energy.

3.h e Change to read:

Minimum I!o.

Operating Mode Measur.inc Channel Cterable i' unction in Which Peo'd 1(dl Provide total Pulce e.

Pulce EnerCy or

!!-16 Channel energy datn on pulse (Ihnu:tl Scrun) 3.h Add footnote that reada:

(d) In pulce mode enl',, requirec either the Pulce Energy Chtonel or I4-16 Chnnnel to prov5de infor-matien on pulro cnergy for ranual cer:ua.

3.4 Change third paragraph of Ences to rea -

The Pulce Energy Channel or the I!-16 Cl annel prcvide infor::cition on pulce energy.

In the ver:, vnlikei:'

event th'It an "l'rnor tl citu'ttien chould de',elop, the operat,or in provided thic informatien follc'lini the pulse in order that he my return the re' ter t o it:

" 'tfe c t, s tate, and t'tko any cther precautier.? : :, action deemed nececcary Safety Analynic The I!-16 Ch'nnel iritegrutor reliability hnn been d"monctrnted in our s t.vt -up prc ;rnm c i cul cequnnt routine pul:anr; it he I!-16 P! unel re",r on' in the

.m cr:nm r - the Pulto w*s Ch annel, providin:-

d.iroet 2 tev> e-ment of pulce er.ercy follo :m m; 'lo pul: 0 The recurate ch tn::e. Ec CecLicac 3.3 tnd 3. h ident t ?, the I!a' Cr.v.nel m an enil%1e chonnel be me-: urin,;

pulce energy. Tne F'JIUTM "; ml.iaDric/ Anal:, :! c p e t L.pprec.T the ace o l' N

the I!-3 6 Channel er fulce ei'rcy e >cun ' nt in ve tion y. l. h.

Page 1 of o 7 R 'A 4u(7J JUr

Requented Ch w "

Unction 3.Ga Chango to read:

Cperating mod Eauir o n t / Condition 1 unction in Whien Peauire a.

All doorc, except To mintain All the Control Roem reactor Luilding and bacement corr _.

necrttive dor entrance, ccli-di ffe rential closing; clo.2e6 -tud proccure (f) locked.

3.6 Add Footnote (f) that reado-(f) Doors m'tv te held open d by authoriced personnel fnr lecc than five minuiec for perconnel and ecuipment trancport provided audible and vicon 1 indicatien is rc/ailatle for the renetor operntor to verify door ctstu:.

Gafety An'ilycio Mainteining the retetor tuilding differenti'tl preccure ; nile ope r't tin c-is the recpencibility of the reactor opern tor.

The rt]uccted chnnge w1J1 allow any resctor :

r,- docr to 're opened fcr periot of tire to punit tr'u c-port of equipment :trvi parcrnnel.

In the event a rsuic"eti'<e relence chould occur, the ev'icuntien md ccnfinement cystem woulri le place 6 in operation

".t the directicn of the reactor oporator and if any reactor br,- door had been open for percennol or equipment trancpert, the d or would celf-clore upon exit of perct;.nel therely v/tintaining required negntive differential prec-cure in the confinement.; ode Furtherscre, uliole 'ind vicu'tl indicaticn of door statuc will ennole the operator to verify the doorc are closed follcwing the initiation of the evacuation and cenfinccent systems.

Section Requected Chnnre h.1 a Chan to read-e n.

All fuel eleenta chall le.icus11y incrected biennillly but at interitlc net to exceed twouty-cly :"'nthn Safety Analv in ll in I!c.rth Curnlins Cinte'" In tenti on to 'tdept it ? Tcchnien1 3pacifi-cation to AH3I I!'J/8-lg7h, "a t W.. c1 for the LEvelopmont of Ttchnien1 Sp7ci-fic,tione t'or D ~1rch Rortetore".,

.n l tmord thir "nd, n toler:nco h'u toen ndded to the cur 2i}1tnce interv' tlc Thic tolernnee A all provide for een-tinui '. of "w

linnee tc "

intensnee, nnd re v tor o; 2rn ti c n.

Chancen in 5 1 r '. 013 3 ' M '.t

_'2 I.

l., b.O l.,

h P.c, b.3.

b ) nn el b y.3), >*flect the 1dditien of. tole:-ree i n t erv'll fo r Lne rerfer:'tnce c: the n ury,'ill ' n en

- p <-

t) )

)

rv a of 9

requi rers ;.

Th ce ri upon retults cf prosen atic"nutory perforn1nce of the curren t IUTCT.Ut Curt eillance Prcgrra, 'Airc a tole r'tnce interval ta tLe abjeo* creeli'cationn vi'i no': ecmpr-ce ro w :'r " T re ty,

Ti:e tolerance intecs: tic <tdded are ceneictent with Cecticn

!- of AGI li373-177h, i.e.

an annt.al curveill'nce iten har 2 two-r enth toler:tnce,

Cection Recuented Chnnre

4. n a inc.nce to rear..

n.

Tiie renet' vity acrth of tie pulce rod and each control cd chall be determ3ned nnnually but at in. rvalc not to exceed fcurteen montha for the stead: ctate corc in current use.

The re-activity worth of the pulce red 'tm each cen-trol red f.

• be pulci ng core in current uce clutll be de mined with_c cix montha prior to pulcing crerat.cnc.

The reactisity worth of all rodo Call be acter'r.ined for any new core or rcd configur'.tlen prior to routine operation.

3afety A:rtl; ic The termo " standard referenca core" and "pulce core" h'"ce been replaced t'y "ctealy c tate core in current uce" nnd "pulcing core in current use" re cpectivelv., in order to 'tdopt the curveillance recuirement to the l'1tect core confir*ur'itica in cper'.tlon.

The red acrth measuremento for the pulcing core within cie mnth prior to pul: ing incures th'it recent d:ita still be avail ele to precicel:, parition tac pulce rei, and, the curveillenec of the cteady ot'tte core rill prcvide adequ'tte infcrmatica mout changer in red wortha due to turnup.

Section Requested Chance I.2 b Change to read-t b.

Centrol ref drop and drive timen and the pulse rod drive tir.c chall te determined nnnually, but at n-tcrvalc not to exceed fourteen monthe, and tfter a centrol roi mecennica in moved to t new pncition in the core or tfter naintennnec or 'r.ci f'c atien is performed en the con trol rod vr.echani: n.

Pulce rod turn around ta ne chall l e deterri.ned within six nonthc prior to each pulcing operaticn.

Garet', Anulv:ic The rer;u trerent for me touring pur rcM drop time hac been removed cince thic mea n:re. cat hr no rnyt ical

>,niJievico.

Proper noveuent of the pfre rol 3: te ':t e + L" T.ulc e r i turn urcunu titre rrtut:re:r ant The Aditien of a tolerance en te curveillcace int u ':1 10 ccncictent..ith tie are e s a-.

J yc ic for 0^ c ti on b.1 J

3 J

A /7

.i o O i

JV D n. a t

Cection Peque:: tea Chave 4.2 c Change to re ad :

c.

The pulce and centrol roda ch111 be visually incpected bienni'llly but at intervalc not to exceed t';enty-cix months.

Safety finalycic Cencintout alth cafety analycic for Section h.1 a.

Section Requested Change h.2 Change Baces tc read:

The reactivity wortbc accociated eith the steady ctate core are neacured to accure th.., the reculred chutdosn margin is available, to provide a means of determining the reucti' y worths of experiments incerted in the core and rr ativity ecefficients. The ne'nure.m.cnt of reactivity worthc on an annual bacic for the steady state core providen a correction for the slight vari-ntions expected due to burnup.

Thic frequency of measurement han teen found acceptable at simil'tr re-cearch reactor facilitiec, particul'trly the prototype FUIETAR ubich h to a cimilar nlow einnce of red worth vith burnup.

T'ne teucurement of centrol ro30 and pulse red reactivity worths for the pulce core within cir conthn prior to pulsing incurec that adequate data ic 'tvailable to precicely pociticn the pulse rod during pulcing eperatienc. The vicu'1 incretion of the pulce and control roic and the measurement of the drive and drop times for the control redc nnd the drive time for the pulse rod are -

to detertine uitether the redc are capaMe cf perrenring properly in regar6 to the trancient analycin in the FSAR.

Durfng thene incpec-tienc, evidence of correcien and acar, travel limit cetpolnin, 'ind drop and drive tines will lie recor'ict'.

d for t renda.

Verification of proper and data analyce operatinn after '"d ntenunce or modificatien of the control rod cyctem will atteut to proper reinstalla-tion n;.' reconnection.

Safety Analycic Conclutent with

'fety un- '; ec for h.2 m and h.2 b.

Section F e g t" : led Chan 7 h. '3 e Cruice R rendi c.

A ch tnnel cal' t rntion of the Safety an:! I,ineur Io;er Par.e h of e

IcVe] v. > rurine Ananels by the culo cric 1-nnnunily but it inier-method nh't11 he. mie

'- r valo not to exceed -oven mcntho.

h,3 d Ch:u:ge to read:

d.

A channel calibr'ttion o f' th e follanr

• ehannelc chull be mde ce~.i-annu'tlly lut at interva] n not to exceen covel monthn:

1.

Pool Unter Tempernture 2.

IYin;. y Cool'm t fle., an d Flo'.; '..nnitoring (Plappe r) 3 Pool Wni er Icvel

_S a fe t:; An tivnin Concistent with cafety anslyci:' for h.1 a.

Section Econented Ch mr'c 4.3 e Chnnge to read.

c.

A calibratica of the eMunel to 1.0 ured for mencuring pulc2 er.ergy ch tl1 be m6e ucing a tent pu]ce of lecc t!'nn 1.M "k/k : tietivity incerticn Trier to <my oper'1ticn in the pulce mode with react 2Vi ty i nt erL1ons al ove 1. Ol$

Ah/k Durin;' thic tect, the overrerer trip bypacc timerc nhnll be verified to be operable Safety An't1:/ci:

The requente:1 chinco.;r Section h.3 e incurec that the ar.nreprirte curveill'uice te n ch ill 1" performed en ti e cho.nnel that ic tc l'e uced fer meacuring pulce ent: gy (e it h _ t 11 > Pulce Enercy Cl ;umn]. er L l6 Channci).

An:tl yci a for uno of L16 Cur nnel to mmtcure pulce energy in ec.ncintent alth nafe ty 'tnalycin e Section 3.4 Seeti<

Requectod Cn :nce h.h Ch'mc ' Cpecification to re td :

The ama and, t t.e'r m on i tori nt- ~/:terc ch d l be enlibwitea, unu ally rut at inter;11c not to exceed foarteen nonti She troint< chail bc verified

wcekly,

+t fe t y An'lyc5:

Concint ent wi th trety mnlyci, for Sectio 1 h.1 Wm n n o o,

v 3

m kf

/1ri J J_n

Geetiin B :rnm.te d Ch '.n a L.5 n Change to rr21:

a.

Prior to rea^ tor operatir n, the confinement cyctem and evruuntier c37t<a nball ha'te b< en verified to 1o operable within the previouc neven-d ty peri o 1 h. 5 i)

Ch ange to read; b.

Opor:tticn of the confinc: ent :yrten on nuxiliary generator pcuer will 1 e checko ! e ery two,;e ek but at inter' alr not, to exceed t,zentye d'tyt S 't fe t y. Anolvnir Tho pr' poned ei tnge provie ' ~ for rt more renlictic tcat of the confinerent initiatien nnd m acu'ticn c rtrn en the.uxili'try renerntor.

TV preront a

r noci fi c'tticn of f a 'tini; the ec nfine: 2n t initi tti on g a t.en on the "us:lli ary generat3r recluire a lineup cf ciretiit 1 re Aerc to pm ici thir curveillnnec

'.E

o ila n e ~ 1' ; notTo precent :iura per'ttic:

Thir ic due to the f tet th :L t.pnn len of corr : n 1 per.rer to the Centrol Rocm 1;intriluticn Panel, the confinc: nt ini ti nt.. n rel't;/ de-enerd rr ro th 9-upon retu a of i

cc::rere.i al y aer or ux, tiar3 gene r 7.tcr pc aer, the roactor 1:uilding i: yutn-mticall: pl' ce 1 i n t'.e ecnfin< ?nt

'c le

'i h ere fore, the requented cirtnce; to Gectirn h.5 n v.! h.5 b remove the. quirer c + to tent the cc rfir e rent initir' tic n

/cton n the rtuxiliary r,enerater The enconticn.yr tc r, in-cludin; legie rel" and o' cuttien hornc, in poweres frcm the Control Eoca m

Dir.tributien T.n"1 Therc 1: no vital cu: frc m the F.ener'ttor t o the ev tcun-tion /c on fi nenen ' t intion cyrtem; therefore, if the confiner r nt oyctem aill initi tto en eenz.orcial pcwer, then it wi 1200 ini ti nte en 'tuxiliar,y po're r. Thorefor, the tent de:: nnatrating th tt ti.e Ccnt rol hac a Dictrituticn Inn"1 can 1e p: o;ero 1 C. r the rouxili try gcner'tter coup 1r d with the wer kly tout of the evnen tticn, onfine: cnt ini ti ttien c3 ctem on concole pruer m ccrm rcial pm er will au+ c ~nt i c 1113 incura oreratien of the evaca tticn/ennfiner+nt ini-at.len ',' tem on. < r i l ! 'tr~,' gr.nt r at or. 'I be recit"ated cinn:pc provide fer the noct time ePricient ier'inr of th? confinement and evacu'ttion cyc ' withoat cor2prt alcing, ren'to" c 'bty. Seetien Eeen:ented Ch tnr e h.5 e Change to read: e. It vi c u 't] incpetirn of the decr ealc 'md clocures, draper.

nl g 'l:e t s o f th-confincrent md venii J rt-tion a ater,, "h all 1 < p?rfcrmcd ceni

'tpr,- at inters >]n net to exceed coven mont' they rt2 e ny r tl e, b rl fe ti [in al f, I i _? / J 4 P to 1e :. ore cc ' '/( n i :n t cn t - o r nu u] Jine. LL c: rc en <,t o el i reducec the numeJ11 met. Into mlr, re-mfei / v.t co: pr tireu. 14 (, nV C e

S e c t.i cn Roaued ed Chn- "e h.5 d Chan;;c to re"R - d. The Centrol Room di fferontial prry nttre gauf en chall 1 e c.1111 rated 'tnnn tll;/ bat at int.orvalc not to exceed fourteen month., ,C a fe t y A n 't'l y n i n Connistent with c'tfety an tlynic for h.1 n. Sentir- _Requented Chnnee h.5 e chance to read: e. The filter tr' tina chull le tected to verify th'tt they are opernble triennially but nt intervrtln not to exceed thirty-nine monthr, 'ui ! prior to reactor cparatien fo)) cuing confinement filter replacement. Cafet,y Anal":ir The reliabili ty of tl.e cenfiner-ent filtern hm 1een demcnntruhed thrcuch extonn iv filter t entin.3 mince th e> I1] Inn.R Ctartup h'ccr'tm. Filter train tenting. in necc rt nee '.Ith Q C Eeculatory Guide 1,52, han 1-en perforn. t h ro r-14ry" _in?" t!:e initin1 inct't]lnt icn nni t r r tin, of th-confinoment filter 1.e0< ilt!' no indic 99.99% < 0.1% 13 July 1976

99. 99:', ; 0.01;',

99. 99;',

< 0.15'

99. 99l.,

< C.1;, 13 Ju'y 1970 99,99l<,1 0 Ole o 2 Enference IUT_T' TAR Sur veill.nce File I!o. IG-5-03-3 I:::prevc:rnt o n filter t e-tin ~ techni ques hn ve led to r: ore precice tnd reliabl" te t data co thnt ecai;dence in the filter train i: m tintained 'rith-o':t eer:prenining..TcLar < et;. Certion Root " :ted C: nnee h.5 f Ci. ar,e to rend: f. W: f/ O c "- tir fic r4 0 i n the con.'irw _ n t F t g}. eyl: tr ( f u c *, P. li tl ! L e rj i' 5 d 'In !) il (, e 1ut at interrilc not L) < : x e"o fourLeon.,on!1 P :e '/ of 9 f(7 quJ J' i

"nfety L1mi :ic The r"cuonteo et s ' rc7r'~nte n re.ucJcn a tho curveill nec interv t1 nnd thuc i: wr - c o ' : c r'.t i~. o uitl> recp "i to re'.cter c a fe ty. _G_r c t i c n I;cque < ' orl Ch mr - 6.7.5 t Chan;*,e to re'il: n. A bri e f n urr:t ta ve etertry of () ) opc":ttinc e::porlen co, including. crecc-cection of c: perirentc perf<rne.l. (2) eb'mgea i n pe r formp c ' ch:trnete ri c ti e : related to reneter n"foty : no occurring durb tie reFert :.g perioi, 2nd (3) recultc of curveillance tectc snd ing cetienc. G:tfe ty An<tly^i n The recconted cic ny clucirien the necesctry reportinc-re qui re::.ent 1:j removin a, th aplic< tion bet.e:n 0::ction 6.7.5 s und 6.7.5 e. In particular, chune,en in n elli u' dec. ;n 'uf ebnn:;ec in c pe r'tting p: 'cedure: n:" previously incluk' in both ce ,1c"1 Iz pnrt ine requirr,~.ent:, for m r ri".an t s L:r.' d co been el trified, I, 't erec^ ce c ticn of' c~p'ri:' :nto re r:'orr od ic report ec for fect en 6.'/.5 . ind the e nfety e ciluati c a 'md dece-ipt ' cn of no'.7 experi-

ncn tu N1 i.ect ore reperted in.:ecticn 6.7.5 e.

Cection hequented Chnnre

6. '/. S T Femove the ca.,divicicn letter c. to retd:

G'tceour W'nte (cu zmrized on s monthly b:t::10) Snfety An W/ci; cranvitical ccrrection nni door nct ch nn ge The requacted change ic the intc nt of tN cp<cificaticn. Coceour, n te fall under the ceneral catt-cory of r tt actiu effluentc detniled in 6.'/.f f. Cettien Requec t ed Cinnr e 6.'(.5 g Chnnge t a re" :. g A n umry o r "R i N cn e xy urec rece: 16 1 y f acilit;. pcrc nr.el ml zicitora, .a m ' u d i - pertinent dortil: of cigni:'lennt exp mre-6.7,5 h Chunl'e t-ccw: h. A cite.nr;; of th" v" cults of r:eli ttir,n und .urvey. parforrud within llc cent aintticn ft: :i l l t:v. 6.7.5 Ai! n ul-!ivic.i cn li ) t h tt re. ! r - J, A cor,cri % ion n ny (:n nt t1 t ' ve 9 ' h i r-v ! cu' D tI. I

; i r i J

= p:: m P C, f c) ~. A(7 9UJ Jl

3 i f'o i.; An tl y... Ti. - reque -t c.i c!: tn,' to 6. / C 6.7. 5 b, n,l tha 'dEticn of 6.'/. 9 i clre ify reportj n requ i r "nemta for curs ml c:.im>arec. T1.e o.. th_ uor.fr "d ter nn ! t i:^o " with requ'ntod cl'.n;c '.o 6.7.5 g rep "partinent ri< t tilr". Thir ch. 11] c rov 11 1,' nn incre.re in re-

c r.t c frt :'t jucL dit.e. nn: time tc ;o re cinni fi c'mt detrtile p:.rt in;f requirt cuch nr v;Len, :h z o rurl 1.cr.

t h e-expocuro occurre.l. The 1ttter dettil" 'tre t nore 1:nport.' tut. i n terrr ,P re1<,rtinc r,Ign.ific'nt expocure rat.her ti,'al

1 u n <u when it occurred, he9ofn 3

-.9 [s(,\\ -') [ a s}}