ML20024G431

Application for Amend to License DPR-22,revising Limiting Conditions for Operation & Surveillance Requirements for Standby Gas Treatment

ML20024G431
Person / Time
Site:	Monticello
Issue date:	04/01/1975
From:	Wachter L NORTHERN STATES POWER CO.
To:
Shared Package
ML20024G425	List: ML20024G422 ML20024G431 ML20024G676
References
NUDOCS 9102120438
Download: ML20024G431 (4)

Text

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UNITED STATES NUCIIAR REGUIATORY COMISSION NORnlERN SIATES POWER COMPANY Monticello Nuclear Generating Plant Docket No. 50 263 REQt'EST FOR AMENINDiT 10 OPERATING LICDiSE NO. DPR-22 (License Amendment Request Dated April 1,1975)

Northern States Power Company, a Minnesota corporation, requests authorization for changes to the Technical Specifications as sho6m on the attachments labeled Exhibit A and Exhibit B.

Exhibit A describes the proposed changes siong with reasons for the change. Exhibit B is a set of Technical Specification pages incorporating the proposed changes.

This request contains no restricted or other defens.e inforr.ation.

NORDIERN STATES POWER COHPANY By,

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// L J Wachter Vice President, Power Production &

System Operation

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On this day of

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' I, before ne a notary

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public in and for said County, personally appeared L J Wachter, Vicc President, Power Production 6 System Operation, and first being duly sworn acknowledged that he is authorized to execute this document in behsif of Northern States Power Company, that he knows the contents thereof and that to the best of his knowledge, information and belief, the statements made in it are,true and that it _is not interposed for delay.

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JOHN /J, SMITH Notary Pubh He%e6n County, Wanete's

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LICI2 ICE AMI2iDMENT REQUEST IATE APRIL 1,1975 PROP 0CED CHAN3IS TO TECHNICAL SPECIFICATIONS APPE" DIX A, OF P!G'ISIOWsL OPEPATIN3 LICENCE FPh-22

'o 100PE50.p, the halderr of Provicior.e1 Operatirc Licence Parcuant I'PE-22 nereby prapn t th" follm:In- ~hanret t o Apper.di x A, Techni erd Epecifientione.

1. SPECIFICATION 3.7/h.7 AND LJE10 PP,0POED CHAN3E hepince phres ILL, U. :*, @. D,, It p, t.L 1LL V th t:.e correrp;ndire pacer f rom 1.xhit1: 1.

idADDI; FOR CH/J;3E

- cor =nce with n letter dratea Janunry 7, 1975 mic cLsg e it c attu teu 2; br m. 2 L

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r etter requerted Northern Stritet Pcver Compnny of Liceneing, W/.Ls.

A., n.

t u rvn tiv n nur.iber of 14 m

f-Ocnditicht fcr Operation und Eurveillance tu..

revirions to tu urs.rc 1.i n.. '. u.

hequirementt :nr ib: c nr d ;, L hhtr tnt byEtet.

requet ted in' the drt.ft 'lechnical Specifi-Sub ctLr.t ital;.

.. w.e. t c :.t ic:. aceczy : '. int ?.r. Zier m 't letter are contained in our propoced

. cor.e encec, however, deviationE from the 7echnien1 Epeci: cci., t.

These deviationc Co=miccion'c c:u cf Jn: man 7,1375 have been rstde.

f ally explained in the following end the reator.e fcr r n't.- ther nra table:

IE ' 1/7/i; Pn ; t 1 vittione from !E 1/7/75 Inft in the NSF License Amendment Eeouest and Reasons for Thet Epe cificanon ';'.

3 7.P.2.a"Cc1:1 IOP" har been charged to "DOP" throuchout the NEP cutnittal.

Becauce of the volume of air flow in the Etandby Gne Treatment Syctem, ICP e=ployo heated 10: i; ;;adace n poly-dieperee heroral of cpproximately the ente particle size dit,tribution at that put out by t $ r-cperein generhtore.

Ae tenn cituneter of the DOP particler Lnc been rpecifled.

Tne re:;uirement to ceranotrete fan operatic:. vittin 3 7.b.2.c

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- 20 deEirn f1c-bu. been deleted.

Fa.n flow it

i. fw.ciicn of Secondt.ry Containment lenr.nge rate and it nee rared annuhlly in n: ^ordra,re with Opeci-

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4 D3fIBIT A Im01/7/75 Draf t Ioviatione from NIC 1/7/75 Draft ir. the !.TI' i

Fpecification H;;.

Licence Amendment hequest_and henconc for Them L.7.E.1.e The requirement to demonstrate uniform air distribution within 4 2Df acrocs the IILTA filters and charcoal adrorb.

er has been deleted.

Tafe specification is applienble only to new filter system decigne and vae not a part of the lecicn Lpecificatiant for the Ibntleello rycter.

Atual air dirtribution variation is believed to be caeater thu.

4, 201 and tnere is no provision for readily detemining it.

L.7.3.2.d lur.nin each circuit of the Standby Gac Treatment Syctem i

at lttot 10 hourc monthly it not required at Monticello.

Tu e tu. A UL Tre t t::.e.... dyrtes lu it teated t>y the 31u:. hu. tim cyste::. to bucp the te:'.Tertiare of all 4

compene:.t t.. above the devpoint.

Ibic prevente condensation r.n: the reculting lose of efficiency of the filters and t.d r orbe r, hedundant electrical heatere are provided ir. the ner.i tre min hetir.g ryttem io inopemble.

Ibe

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namMntienlly controlled ani l

r:t nwf uc ct W.,

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.1. ;. q.rema 1., perform cacket and door leantee ter>to

% at t hlete3.

/.11 co=ponente of the Standby Gac M c:.. : :.t iycter, are located in a separt.te room out-

'econJary Contain:nent.

The fan it the lect rw "

c r.7 o <m ir ench circuit assuring that t,ll lendage

• w letM ge of uncontaminated air.

Ih:essive 5 : :

b.u;e n11 le detected when the testing required by Epacification k.7.C.1.a is performed.

re ! v.wr.+.

to incpect c11 eyrtem draine har been

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lhcre i t, only one loop-t,eal in the !bLticello ry:::em and it returns condensation to the ladvaste bytte::; located within Secondary Contaircent.

Tnere i

it w po&ntial for bypass leakage, i

L.7.B.L.1 le requirement to de::enstrate operability of the l

t,ypast. valve her been deleted.

Tnere is no coc:ponent r min; thir. prpose in the }bnticello cyctem, 4

i i

3 7. B Eat e r, C:rv ated to clearly point out that in-place n'

m terts are cota escu.:ially 3estag t e n t. nr.

not officiency teett.

L. 7.1 le r N

r'b af oltninin: the f.dsorber f amile for methyl w_ a-

c. err.s tecti LLE been lbr'11eu.

.,e

.: acletei Eurveillurze requiret. ente have been rem:-v i

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4 D21IEIT A

2. FIGUFI 6.1.1 PROPIFD CPJdnE.

Subctitute 'he r(vitc.2 rif art c.

._ a ntninti in 1.711td'. b 10: tne current figure !,1.1 0:. }nce 193 FIASON FOR CHAlnh A trQor reorrtoni e nt ivn t. t * --..rp;r..te t i re. t u:x of Ibrthern I'tr.tet Paver Cer,pe.ny art.r nl

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.a The Trainirs Supe rvic; - it rerp snrible f or ecnducting; the Ibnticello Opernt:r i.egr.11

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e_ I.,, y,,, + 1,.. s PkOPID NA!DF Labetitute the re'.'ii.

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pa6et 195 t, s 1/;,

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