ML20154F458
| ML20154F458 | |
| Person / Time | |
|---|---|
| Issue date: | 09/12/1988 |
| From: | Tam P Office of Nuclear Reactor Regulation |
| To: | Marion A NUCLEAR ENERGY INSTITUTE (FORMERLY NUCLEAR MGMT & |
| References | |
| TAC-40577, NUDOCS 8809200005 | |
| Download: ML20154F458 (24) | |
Text
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - - _ _ _ _ - - _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
September 12, 1988 i
Mr. Alex Marion DISTRIBUTION NUPARC MI BEoger 1776 I Street, N.W.
"PUR ^^ ^~~ ~" JStol z Suite 300 PTam SNorris JRaval
Dear Mr. Marion:
PGill
[
SUBJECT:
TRANSMITTAt. OF MARKED-UP DOCUMENTS FOR THE SEPTEMBER 15, 1988 MEETING ON STATION BLACKOUT (TAC 40577)
Enclosed please find marked-up versions of the NUPARC docunents listed below.
These should be used for discussion in our September 15, 1988 meeting.
j A copy of this letter (with the enclosures) has been placed in the Public Document Room.
Sincerely, i
i 0ri%{Cr Md 2
1 Peter S. Tam, Senior Project Panager Project Directorate I-4 Division of Reactor Projects I/II l
i
Enclosures:
1.
Marked-up NUPARC draft generic respense for plants using alternate AC power i
2.
Parked-up NUPARC draft generic respanse for plants not using alternate AC pcwer i
3.
Coments on Appendix F to NtYARC-8700 i
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enrT erwnie nr PONar TO STATION EMEYOdT MtTLr FOR ustwa attranTr Ae powrn punts on (date of rule publication in the Federal Register), the i
in 10 Muslear Regulatory commission (NRc) amended its regulat onsA new se ble to c.r.R., Part 50.that each light-water-cooled nuclear power plant be a 5
withstand and recover from a station blackoutfor a specifiedIt al j
section 50.43 in specifying the station blackout duration.for the station bisckout duration, the durati'.,n.
l capable of maintaining core coolf.ng and a9propriate containment l
requires that, section 50.63 further required that each licensee integrity.
Q,utt/h e#FM l'rVde.
Cubmit the follaying f.n.f.gpat,_ionsA proposed station blackout ~ du o
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ate' AC' (AAC) power source will be utilized at (Unit f,
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h au A[ b M th3 assumptions in section 2 jch g&
I AAC pte hj t!5E DNE OF THE TOLI4 WING PARAGRAPHS, ih is available within c'KTe hour c4-the cnset-c b Ut3 %
TheAACburc t event and has sufficient carscity 84 Carai for the ens necessary for coping with a station blackout station black cene$c Myt:* C 7ivat Sii if-FSo eluNtim d 71 to bring and 1r,aintain the plant.in safe shutdown,* 3{ -Q ^='^
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,9u.ag' s-'available within 24 minutes of the onsetkfth
't H&
M bilitgt p %perate The AAC*sou'rceQotation black 5ut event and
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J' tho plant in safe shutdown, Therefore,' h. y; w-4
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&M BRIEFLY DESCRIFJE THE AAC SOURCE AND ITS CONFI URATION. PRovsnE C"E-t WE DPtG % OF THrc AA C Poutim. so u rt.cG I; F e RENcWG A TIGURE IN APPENDIX C TO NUMARC 37-00 As p rR O P R.M TU.
- Th @- AAC j
GIM4 Y PO LaBR.SoORCG c A p613:t l y con FeEgF ro TH E Nu mhtc 27 -o0 > RPPba ux B,
- A[ AAC f&/%.SpudCE l'.4/M/A b) Cemvrc7)MO n oc /wtr' SfSTE"!
f C) )$N)/tc<tM Pe 7EW77/4t' R4 CoNNM' MdDE M'h'W l
dj MHun@Ty 19fren, on.ser cp. sdo e) cfPA< STY 6YD RR/Ad* 2/7
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PRSCItatr DISC 1tIPTICM
. Plant procedures have been reviewed and modified, if necessary, to nest the guidelines in NUMARC 47-00 section 4 in the folleving 3
por 6sel eraa 7sciud ac'*c C lisr'He revi. red precadvrus a,d c/sey eJ ceaar.m Juhipen peper vilu, Yevutea a m ser.,e Of' CAnaps }
4.
AC Power restorauva yu WMARNDO sectasm 4.2.1 '
2.
Severe weather per MUMARC 07-00 section 4.2.3.
Plant procedures have been reviewed and changes necessary to meet NUMARC 47-00 will be implemented in the following areas C Lly7" /J a.
f eY &*tb
- fled. h eldisy'e4
%gri. ital fWeLhlt!
r farper + ins.t,2re virite hebtrh ' eM{ clt*Y *Al mn rim shutfith
- f chafa 3 t 1.
station Blackout response per FMC 87-00 section 4.2.ar 8
2.
Procedure changes required after assessing coping capability per NUMARC 37-00 A ction 7.
C.
Co PtA AH4 Lyses,,nwoptnjes hoa/ Fir m s pud.schsb u Uk THE
.i coMPI. RTE THE To'LI4 WING srcTIoNs FOR M AA C. OP710N-THe AA C sour.C C-HRS CAPA cory Ant CA PA as t.ory To futun.
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ECPVIPt-1GNT Ne ce rsatty To cors 4:rH A Sc o w
u hcCo (LD AucE k#rH N UN ABC B 7-00 [SE cr evJ 7 folk H00K$(C0 PsNG. Dun A nc+a $C 2 (Q1.r4 5C4T SuRAT10a sN 1M A CCo2DAktCE &J t TH 14UMstfLC 87 -OO S Ccv o>J 3 2.[
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candananta Ynventerv var neenv wrat maneval g,
3E12CT ONE of Tgt 70LtAWING PARAGRAPMS:
It has been determined frea SeFtion 'F.2.1 et WUMARC 57-00 that (insert number) gallons et water are required for decay heat remova U er ( j g y p y g g. g g.
h'H1 MYO NM HUM /?pc g7.co,,,rgep;ng, e.,h, Gurs L~ Perav.'de.surrouv< 4t< usy siun,,,: e St.cH w 7 7. / ens paat of fb. pp77,p(,,pq},
The minimum permissible condensate storage tank level per technical specifications provides (insert number) ' gallons of water, which exceeds the required
.r quantity for coping with a (insert required coping duration category from NUMARC 87-00,Section 3.2.5) -hour station blackeut; or It has been determined from section 7.2.1 of NW. ARC 37-00 that (insert number) gallons of water are required for decay heat removal for (insert required coping N duration category from NUMARC 87-00,Section 3.2.5)
/
hours C P ro d ele s ufPo0h % clQ td UJi NUHoftc s7-co,
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RJ fav/
of sh. /?Treco4Mcm'7.
The minimum permissible con'densate storage tank level per technical specifications provides (insert e
number) gallons of water.
The following additional water sources have been identified as being necessary to provide the total required amount of condensate for decay heat removal for (insert required coping duration category from NW. ARC 87-00 Section 3.2.5) hours:
(LIST SOURCES AND NUMBER OF GALIONS PROVIDED BY EACH SOURCE).
SELECT ONE OF THE TOLI4 WING SENTENCES AND INSERT NERE:
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g e
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9e S
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3-Ito plant modifications or procedure changes are needed to utilise these water sources; or a.
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The following plant modifications are necessarypst' Onod,7,cw to utilise tause water soutcess b.
w% 4 claar n>J co co'se deravtynm. 7Te n.rroe++n,/
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4*M. e+c ; f.r an. Mme.+,'mo >.rnid sa. Prov,*44 p,r sa pa viw, u Au f,'o,elo'ta /}.
esemelty it matta ciana S
3 ELECT CNE OF TEE TOLLOWING PARACFA erformedP4 rwa #$O 2.
A battery capacitians it batteha been p calculation as sufficient 4W//t 97 oo,(7' t e +o verif 5ty Ca.mer carity wat) to meet
- ti'" *1****** *****
that the c
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' ThO CICs3 12 battCry wa0 dCtCrnined to be inad:quato to meet staticn blockcut 10 d3 C//Jf. foo gg ) g;y o g,, g y, g
fallmh wro. heco.r.roy +o paavo's/a 4 cn k r cerac!g 'Nodo'$cehh3 y. C U rr puo twono e cc eme.
no o,xease
.DGrtAIPT1on f'*R E~rpch n eDifsca po.a mc t.V owCF.
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feeeressed Air 7,2, h SELECT ONE, OF THE FOL14 WING PARAGRAPHS IF THE COMPRESSO OTHERWISE USE THE IS POWIRED> floH TME AAC SOURCE.
COMPRESSED AIR SECTION FRCM TKE CENEu L RES i
PLANTS NOT pSING AAC POWER No air-operated valves are relied upon to cope with a station blackout for one hourt Air-operated valves relied upon to cope with a statio have sufficient backup sources independent of the preferred and blacked out unit's class it power supply.
Valves requiring manual operation or that need backup in plant
, sources for coeration are identified procedures 0
Q-A U ST of S e ga, eg sg,y g,g y,,
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UN T" W IM Y o he, opeyal,fg,
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AT 88'1 2.
ba ek 9 ' a;T W Cu.5 ; AlJo, p vav i cle,,,
h GiY T 4'Whf etnh+s fey ' M a, Q '. Y - C M y st e.cl G,ilves,,,,f W
DD CE. M Q N IQ Wa, ha e,<. 9.gijgp 3,yyg,,g, I
.r er i
t..
The following modifications are necessary to ensuru that l
Oir-operated valvss required for decay heat renoval during a station blackout of a one-hour duration have sufficient backup sources,for operation or can be manually operated:
E.1N'M
\\5talve s, which b hye wis\\Q, A 1 lST C h dk&S-4.
M an.
%;vaJ to Aa.
ere.v.a.la, anel are e M e. tr N Y C 4 S., A ) 1 o, 97 o v..l e,.
'YncMel 0tf Ea44..kA Cy.9 Clitf W:
- 1) OlY TatW ITekAJitS M N QIT"O )**M
\\S81lvt J cawej t.i s r of %.aiF-ao.:1.ua ues' an eig cric4 c) 3ci.
- ceM ons StE 4. cimy od os qtfa. d e m p Ktn e9 Eeek' % A Qcatip,
o @ cailt'.bl o QiY Cct.p e ci by 1s.]
( b mae<w.t e.#c assac:ea+<.4 inF Twwwm, incup no. %acWca+% co / or42ra"*al lia F, =4' 5%".=h o u t A.t.e_
- d. SNe)(Fe= A Wrta
.6tA ee; f.y
.g es-n ne. ve v:m,3 W >> W i iW._.
povd eA 4 4.w
rf reete et tema er ventilatien d,
el) FOR PWR's The calculated steady state ambient air temperature for f
the stgaa driven ATW pump room (the dominant area, oa station b concern for a PWR) durinloss of ventilat. ion is ( neert tesperature 8
&) FoR BWR's 4
The steady state ambient air temperature has been N
5 YtyyrRA-t*RI 6
Agg3 (insert value)
MPCf/NPCs Room (insert value)
RCIC Room (insert valu. e)
Main Staan Tunnel PWR e, OR 6NRs C)
C o W ok, EccM CCHptaX Fo/c
'f
[Ptras'ide.
Cont 3cl TCON Cam jo}E4 dLICTif Ch $3 l
S E CttW S Z*7.AC2.)
y (Attlihad undC5 NOMdEC 57-00 y Ccpuom c>J 1." sla Ctrtuen Chk 2 '7. I Cs *>
i n c Q d,*n g
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nn 9
Cac inst ses,ance Pm s
4Au, FIms - sti.tet cyr or Tut foLLoWING PARAGRA M k1-i Reasonable assurance of the operability of stat onhas do, suppeggyg f
,5 blackout response eqairment in the above a N
' k g\\)
SeetbnT 2 7 and
$7-00 3 InfoTmeiert 4 tin g N V M 6 C,CCh*m bitht Oit" t t tw f r a ar b h g, T.
'7 ' f
- 4 fo-5 Stuc(j
.5MitL or per ef Me.
viewt-sreeifcc dhahsis 4 on.
A1"ThcH H E>JT],
f to yo modifications or associated procesures are re aired i
nt operability
, provide reasonable assurance for equ pme l
g er Reasonable assurance of the operability of station t,,
blackout raaponse aquipsont in the above areasfs)
- i gQ G"J"iPunst and sts cpyneti"s cosein bntr,'cet%t
% yee g. rad
@r spescahility in e.gcMinwelvac(
following modifications and associated procedura changes are required to provide reasonable,as
,i*neise. denStHs er each wad (Fs*ca+ ion ne. u.nxie
...' 'W"H*n '"cIog+pa.nine.st sienpl,'Rr) el&gQ OMI0n/0]'17enbml ele st g+cbg,,n,gg,,,3;pg.hy?4.
7 env M for nad v
.e e,
v
- Le
-n- ** *
~
3 J,contain..ntranimegn (f 7 2,f-)
sE12CT ONE OF THE FOLIAMING PARAGRAPMSt I
The plant list of containment isolation valves' hat"been reviewed to verify that valves which must be capable of being closed or that must be operated Ccycled) under station blackout conditions r.an be poshtioned (with indication) ind3 pendent of the preferred and blacked-out unit's class it power supplies.
Wo plant modifications and associated pragtigre chanees were d
determined to be required to gAgggg,, ggy appyop3la l
Co$(nmi-Ihit be pgog dd y g g, g-
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condibow s I"(%gglh Cah ovide, d. LtST OF e htoixmaat isolahen W i
'F M *iB D %sthual OftF4 tion ein 1") c.by ug a. Wailh'g j
in C4Croad4h(& Cdid NVMMC,c $7 00 3 8ECfDh 7'T'T** Allo >p l
PTovidL ( Concl.2 MAf t es'PHrn Cah re Fhim C4Crn.ssakility md *$
S f 0 Ciel f.Cw.'Pb.aA F A4.ad ed t o ogr e
.g g u tuas regutytp og l
%dhwal ACtiel The plant list of containment ' isolation valves has been reviewed to verify that valves which must be capable of being closed or that must be operated (cycled) under /
l station blackout conditions can be positioned (with i
indication) independent of the preferred and blacked.
t out unit's class 1E power supplies.
The following l
modifications and assodated procedure changes are l
r required to ensure that Oepropriate containment Antegrity can be provided ender station blackout i
oF contoimat is3Wa' conditions: C Provide.
.it List D Wmu*l CPesatim an d 'L) c l* f"v8,
l Wivts reWain[a, acr*vdahre m;f N0r-tett c 27-00 >5ecidoo l
c.y.J; tit
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A l10 pTovtCie d Li sr of
%od/FrceWas '"W j
3 dans' od coxche. dQJOIPt-lan cF ea=A e adA'ca'*n -
i ye cas.c er<4 inPan = Hon hc'~d'p si"P w ed co g s>,
l n
cleri h/ oferat%,l d=% e+c; pq d a_ woM&s s\\* 4lc, he, Providd f.rir a g c 7.evim.,wanFrae#**sl t
t The modifications and associated procedure changes identified I
above will be completed (insert time) after the notification provided by the Director, Office of Nuclear Reactor Regulation in 2
accordance with 10 C.F.R. 50.63 (c) (3).
Very t nly yours, company official cc:
/
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WNT j/
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mn, armre must to meren muerm wtr reR r
_trtTs Not usrec atTrRNATE se POWER p
On (date of rule Publication in the Federal Register), t.he
',. Mu31 ear Regulatory Commission (NRC) amended its regulations in 10 A new rection, 50.63, was added which requires C.F.R., Part 50.
that each light-water-cooled nuclear power plant be able to withstand and recover from a station blackoutfor a specifiedIt also identifies the I
Curation.
Section 50.83 in specifying the station blackout duration.
requires that, for the station blackreut duration, the plant be capable of maintaining core cooling and appropriate contai'.uent Section 50.65 further requires that each licensen 1
integrity.
cubmit the folleying informati_ons J
A proposed station blackout ~dur,ation ine/v./,*n ( s,uff,*f,*orhan /br fle.
.1.
~
seC At OM/ilft.
.s>/tc//en kJk oh Aa 1 0 l V A l M y 4 *l 3 ' lin d 'le j
- Attaf *A/e-epserg 4C pdvar.mrcer, Ne erjeer/ / A.e9 poues., eind Na frekJia fitwa anded to seders. <Werte fumorj
/
A description of the procedures that will'ae 2.
11Plemented f or station blackout events for the /mQs./ekvee,'af alit
- /
le ebevs) and fey pggeyg,yy,ggpqq,,,,,,
---.=:
i v.
r ---
A list and schedule for any needed modifications endh ewirmut **J 3.
associa<ted proceduresperenag fry Ma spac,p eg sgo.6,wn,3 Tb3 FRC has.iseued Regulatory Guide 1.155 "Station Blackout *
- ":,c's describes a means acceptable to the NRC staff for meeting tho : requirements of 10 C.F.R. 50.63.
Regulatory Guide {1.1$5 (,RG) /
Ctates that the NRC staf f hks determined that fur (ARC 47-00 CGuidelines and Technical Bases f or NtJKARC Init'.atives Addressing Station Blackout At Light Water,Reatetors' aise provides guidance l
"? " n : M M n. : ' _ _
.. ;; ;. Q. k; y * < f/,,,p /g /4 ee;;;" *"t t; 2:
lasp $nst MaMicel to da RG ! t.rs pidance.
L-Tcble 1 to Regulatory Guide 1.155 provides a cross-reference bntween Regulatory Guide 1.155 and NUMARC R7-00 and notes where tho Regulatory Guide takes precedence.
g m t(ta,un is tvfutH..l +e anme ne+ 0 h wa emW as wy**A -
i wc. v.ee.3 ens,e asa =rr.Ma. to %*W tMs 4 'Y'*W '
uo
"'t Wadeda,ibt ela r tevia d.
N hc4 licenies is exW to *'moe. Aet *diWe*N"Re f ***d'l i
c.,rrsapadisk. cveu.ututat.d.J AIWh C-57.ao ptJa= rag,wAare a#elleue.
(Utility Wase) has evaluated the (Unit Wase) agEinst the C 37-00 8
rCaruirements of the station Blackout,rv}e using sum re
.w
& % NUR NAC 9
~6
<*M MW end go I trs*, et.r nyWc Ur.. MY The results of this evaluation are detailed balbv (y Jet /a{agc..nc,rmy' i
etPpe ck :
e
,-[
PILoPo343 RTATieN ntAcroUT TURATTON A.
NUMARC 87-00;Section 3 was used to deterzine a proposed station Dlackout duration of (3 or 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />).
(NOTE:
If the determined Category exceeds 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, modifications and/or procedure changes l
Cre required to reduce the determined category to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> or less l
cr an alternate Ac GSBc) power source is rewired to meet the NUMARC initiatives. Tj Mc is firert./4,Naa /;,//as,r ata ".D#4/'r-CFaNswsc l
ftAury urwa poc-/** tent **.
MstwdE To.sno Mt.9 fvit The following plant f actors were identTfied'iK determining tEs proposed station blackout durations
.b Ac Power Design charc :teristic Group is (71, 72, P2*,
a 2.
73 er F3*) based ont Expected hrequency of gr'id-related 100Ps -
f),2,/jfyf/4 (does/does not) exceed once per 20 years p,3 3) a.
l Estimated frequency of 1D0Ps due to extrasely b.
severe weather places the _pignt in ES)W Group (1, 2, 2,.4 or 5); (f 3.1. I 6ter iaj/.3-y, Estimated frequency of 140Ps due to severe weather places the plant in EW Group (1, 2, 3, 4 c.
l or 5); (g y,2.f /,etr /C, /. J-7)
I The of fsite power system is in the (I1/2 or 23 i
d.
Oroup) (f J. 2./ #$44.7 /4 t'.J-/0,)
l Plant-specific pre-hurricane shutdown 1
- [/
requirements and procedures which meet the e.
. guidelines of section 4.2.3 of NW. arc 8'l-00 have
~
been impleaanted.
(P2* and 73* units only.)
i l
j The energency AC fover configur) tion group is (A, 3, c
.2.
or D) ba s ed,ons ( f. 2. 2g /. J./J L/her2C, There are (insert number) energency Ac power over'/
i a.
algrnateAc l
supplies et credita fJ.,22.)
j j f J-Yr
.l*
d eources.
l (7nsert number) energency Ac power supplies are l
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3, em'ar mamf ew Plant precedures have been reviewed and modified, if necessary, to mest the guidelines in IlUMARC 47-00 Section 4 in the fel,1,,oving 3
areas [ gj$7 qAg yyy,jfeg pg,ce)wygg gy f ag gyg g 4,j,)
Wtr to'f/41, *Yt virion sobers, and c(leo p- 04/ Lh net.an n/s.r tpfm Cf' *An sys ')
2.
AC power restersuun, NIUMARC37:Defectaen4.2.1*
2.
severe weather per WUWARC 57-00 section 4.2.3.
j Plant precedures have been reviewed and changes necessary to meet WVMARC 87-00 will be implemented in the following arena C Lly T yJa.
%erijenf fWehB93 fof Oesd set 06 k rlw/isy )*nfer, <*We s, %t virite Jumberb ard efter asef nomsk 4srettyHoq of e4*p+t 3 t 2.
Station Blackout response per If7 MARC 87-00 Section 4.2.13 2.
Procedure changes rewired after assessing coping
- /
e,apability per Dr7 MARC 87-00.1petion 7.
C.
Co pto-G AHA L-Ys e s,,ogopen.ree een/Rm s A u D.rcArn a u t. &
C Oh P D+t,
- O t. Mak.fg ta.sMons O Y M e. T'44Ntred I
1.
se o.%.non.
ne ability of (insert unit skme) to oope with a station blackout for (insert duration in hours) ;4 SF CC o r d a d M ' A / M 4 M F 7-0 0,
-Stt+it!I 9'f*C 04k QS Cl0 H 0 W a & h k eyypps "A M ge ),
--was assende'd using NUM&RC 57-00, Section 7 with t.he following resJnst 1.
EemdaMaata TMyantery fer becav"WEnt Ra-eval SE1.ECT ONE OF TWE F014mf1MG PARAGRAPE88 2t has been determined from Section 7.2.1 of WUNARC 87-00 that (insert muaber) gallons of water are repired for decay heat removalfer the, profeeJEM otation blackout duration C py,yg,fa fyyggg,/,y 4,r,,y gg c
' '--t1-oo j kcHen 7.c.1 as part e,r fJr gyraecww },
- The minimuh* piraissible. sondensate storage tank 3evel per technisal specifisations pMides (insert muaber) gallons of water, which auseeds t.he re pired quantity for seping
. With a (two-er four-) hour station haaskeuts or It has been determined free Section 7.2.1 et trUNARC.
87-00 that (insert mumber) gallons of water are r.ptr.d f.r d.sey h.at r eval ier th. rrerad
.t.ti.n mia.xout durati.,res ise. e i.../s w_ w y m e.
- 7* * * & 't!..*. !..)**'! f A. KrT* **'r2 T5e minious 'pertTTftble condensate storage tank level per technisal specifications provides (insert muaber) gallons of water. The following additional water sourses have been identified as being necessary to provide the total repired amount of eendsasate for decay heat reseval for (tve er four) heures (1.187 SOURCES AND IfVKRER OF SA1.1DNS PROY2DED BY EAC3R SOURCE). SEL.ECT ONE OF TEE POLIAWING SENTENCES AND INSERT WER2
.. a5
No plant modifications or procedure changes are moeded to utilise these water sourcesi er a.
The fellowing plant modifications are necessary[L, I s Y m ta./,7, w h.
to utillie these water sources:
\\
l clear ed twerfin adercuttMes 7Te n.rne Ok'tf et
- t r oM.$'s/ M ato i
i
'nAMA 4wfudo'*f &MenNAV2 ektd se. / rems / pr pac.
$.> 0 + c ; A r S.a.
1G ylw,, m Ae4 fonelt'te /
anacit giaen ir matta 2.
SELECT ONg 0F THE TOL1hWING PARAM8been pe I
- /
A battery capacit calculationhassufficient blackout loada f44##c 97 co,(7.r4 4e verify that the c[ ass it batte capacity (INJyg cyrity A) to meet sta f
INICse 4
l f
A battery ppacity calculation verifles that the wseg l
@g.gw d
}
4 l
to poet station blackout loads l
prof n/ad station blackout for the
. _f load's not needed to cope l
duration assus ng _kouty. These loads are ident fi d in with a station blac
,g g3,,,,,__, _
Plant procedures C gg,7. g j py,7 gj J)g. s w r~ p.
m l
n j
=
t 1
I i
l l
1
)
i wkw I
^~~ "
. _ _ - - -.,, - -,. - - - - - _ _ _ _ _ ~ -
,.-_-,,.-.---------ym-y r.
e.
, _, - -..- - ~. _ _
9 wy
%,y,g-
.----e--y.
l ~i,,,_
.be inade wate te was deters ed
) for the fre/w/M ethtien D e Class it batte meet station basekeut leads (// /o l
De following modifications are blackout duration.
nunury te provide the additional espacitbto me)s pie <> /8-
<-f" 7~
4 ar 4 she prepned statioa bleekeut durations oul chnrise deterith*n b1' eaes swoJiRorNn' ineleA'g ***~
-It.e J,wgr.~r,,s k f'wltead).
i e........a " - (n, 2 0 l
3.
l satact out or sur Pol.towtwo yanmanavss:
We air-operated valves are relied wpen to sepe with a station blackout for the propeeed duratient er Air-operatet valvea relied wpen to sepe with a etztion e
- p frafvW duration sen either be
't klackwt for the operated manually or have s'.tfficient backup eeurces6 and blacked out unit I
Andependant of the prefer,Yt was re piring manual class it power supply.
operation er that need backup eeurses for operation are 2
f Adentified in plant prenduru wh/d Pyovt.la 4.
UsT of t4ehit' 5944:m 4=) ve.t
~'
e M
- v' Also, evade l cual drst
'n vtWrd to he CPetrakia
]
o manua l av Kave. bacw y.aiv
=v ca.5,4 fev, e a.
Aiy,o M1rateM t.h IV's *
,,) a;y ir r.svu vetva=+s
}
ef',%e. awilo Wa, 6a ci<-up
- oie.sevre 1
],
.)
o;3-yett l
- n. fellwin, meettisation are necesury se snar*
.r heat l
that air-operated valves re wired for decayPYo PeJ488 l
l raseval durin, a station blackout of theduration have l,
tion
[
A s.
l
.f or man be manually operated I
e mes-serv =1 t o.s
.er v u and a,a piso, p, e vis.
'Ynewol or Raw.
kscw.9 ots wr ce s., I woim
,,c]
an o;v-o rew+
. O cir vanwv e tev daao.it.Lin_ art c.yni rig crid eye, t.i sr 1
=F rn.dit - l op l
u d a. % v =a
=>wera..r.,m,%c.q:a er n
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- e<*:.ws ory aoek' w.cirFtcatianf F ooatIabla, Cerrw atim, rael J'i l
- O tor p se4Tu=t s./
W. Ns. 445acYaMal4cesp, eJe.s t
l 6
rta d W Flit-c44 fev +k a.
%. a cF.c cattu c o.=h ou I A.L e Matt povd.et c ;4 o r e n, c.
s e v t m,, W.>i i
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w.,a.
7
~
=
=
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- (I' E*7' I
( [ 7' Z' 4 4.
2f fer_ts of T488 ef ventflation j
U TOR PWR's The calculated steady state ambient air temperature for the steam driven AFV pump room (the dominant area loss of ventilation is (insert temperature).
- 1) FOR M?R's The steady state ambient air temperature has been calculated for the following doniaant areas of concern m i m TURE 2
ABIA (insert value)
WPCI/NPCS Roca (inscrt value)
RCIC Room (insert val,ue)
, Main steam Tunnel l{
PwRsOR&bt, c)
Comnat 20eu Cowetex Fore y
(PtroVide.
Contc I "tico'M Coml8I4X d4JCTif4/Ch Q2 5 tC+MS 2 k. I D.)
OViIIntk UndG3 N UM AEC 97- 00 y C o s.> n t r i e xt 1." de4's me.
and z.7.: cs3 in civJing ~CTvf Z*7 2f) ]
~
PB Ohd Mst-Se.Aff.hCE.,
AM, PIANTS - SELECT ONI 0F THE 70LicWING PARAGRAPHS 1
Reasonable assurance of the operability of station blackout response equipment in the above are d
f.
inkvmation usi3y NUugge 97.oo,, sq,cyong g 7..
"T r 4 foe s $ dj sMte., owbia.st cwir t,ewrea-.rtoe, as yger of ne.
tilemt-SpeciB* c eihohsis 4 on.
ATTh cH H ENT],
No modifications or associated procedures are ro$ sired to rabilityr
, Provide reasonable assurance for equipment ope
?
er Reasonable assurance of the operability of station s bas blackout response equipment in the above areas (C')t.i.sF SBO i
been assessed using Appendix F to NUMARC B7-oo F
enlaipusht and its cygesponcUng-conei.m. jus +iFice+%
I' 4W *Peadility in exchynwelvad
% ree).C. tnt following modifications and associated procedure changes are required to provide reasonable.asrurance.ma cIesor aa bilit0 C usT
.'"iP**"* "P***c.she.ise. descalyHon ef eack %odiPo mW*%%. incI4 ding pe.nihe,st simpl,'R.a) l@igc0>hs s
' dttion/0frMomi de+4 nW{etr se, 'tnodiFicatie
~'
.L,t.' PoevMt) 4W N K $ trb>GN> Mhem finelit i
i
_,5~
l l e
m m
~
l p.
h
- I I
f, containment Taelation 7,2 d",,)
'j
(
SELECT CNE OF THE FDLIMfING PARAGRAPRS The plant: list of containrent isola
. valves' hat been reviewed to verify that valves whi..
ust be capable of being closed or that must be ope ted (cycled) under station blackout conditions ca psitioned (with Indication) independent of the preferred and 1sEEEEEF.
- [ N meeG:W Bute class 1E power supplies.
No plant modifications and associated procedure chances wars _ ff determined to be required g mg g gpp3,'ar-
,}
CQ M iptA.ht ih4Egu Cah be ptovt,(gj
.g g g, y-
.S6 O l'
con &How s I'Psovide. d. L)ST' of powtedwmaa isola +5n W.*
't.
Te4/wiug D %awgl ofearetion
- Incf 1) c.b5 wa.
cyallyy in c<condakca, cai+C N0HkRc S1.-00 3 Sec%)h 9 2 5 AlS03 h' ovide. it concba claScaipHm cswre n N ciren.ssdilit d *d sfecial e%9>.e4 M.aae4 +o oke
-Se values,y an remwrig
, % a wa) a e+iaw -],. og e
The' plant list of containment 'isol tion valves has beek F[7 reviewed to verify that valves wh h must be capable of I
being closed or that. aust be oper' tad (cycled) under
" I station blackout conditions ca be positioned (with indication) indspendent of the preferred and-D$cohed.
l.gf
- Class 1E power supplies.
The following
' ^
I' modifications and associated procedure changes are l
required to ensur" that appropriate containment integrity can ba grovide ' under station blackout 1
conditions: b P60ViMQ.
- E List oF containwet NW*32
\\,)c]VtS
- tfe//Wuin D Mk4) opegatie
~2)
C. M E
- c. 9,a;Ht aee.vdahce 5.>id
- JO*-$*EC S7- #>**#*'*4
- 7. t. :C' -
- d'bC##
g-geny W conec.,e. ' cloJcif PHan dF ecA e edcFi ca+(an. -
~"'
twelwdig+ sirwehT-ied c
/
le etsfociat*4 inP<s% = tim fo y A a w oc/iS'c4t*Ns cj. esig.h/ operaflwl M*+'t.;e+c; sbule ke.
Ppvl4Q fW A!EC 7.evisu, wAm) F Wie; The modifications and associated procedure changes identified above will be completed (insert time) after the notification l
l providagd by the Director, office of Nuclear Reactor Regulation in l I***
accordance with 10 c.F.R. 50.63 (c) (3).
l Tary truly yours, 1
l 1
Company official T
cc:
WUMARCe
~
~
i L c.lo.sure 3
lj t
a CoMq eat s ay ApPmom F
A>JD
~~ cpi OH MPorts :
1 h5 FoutosssM sHouub BE 97ovios.D, AS A Howlu un., F o R.-
EQ V t 9HENT OPE 12A OLI TY :
a)
%5T b6TA A ") INTE.crft A ri od oF key m rt 7'c suffcAT-AN AV)Ti c A L t-1on u b fsjb A.S.ru r, VT1 oJJ S c) 4 GsNG EFPect S d,)
ope 12.arlowa t darn 2-E6cH E GPulfrisNT SH ovLD DE IN D av 80 V4 L t y EVA LOA TED H e.t V D irrG-E Lv cTni cA L rru a s.
3 SIMstAg EQ ui Pn exil-O U GHT 'rd 41AYE 3lH ' M W WA
( S%%.
Pncrs F-S' VJ b@~<mM OF "SIMn \\A R. CCp ut F%& A>T * ),
4 hJ rfH our rvs7-
.bATA AMD Mote..secciFic
.beFiu iT ion oF CQ0if hG.wT.>
GE m tC l'rppR.o v A L Is M A PPD PI
- TG M
NOVED E.
AS.)~U R A *JCC 0h Q Utf>H 2DT CfC~A A~ AIL ll (.$ GG 2.]. S' g.l. f E.Tc J.
6 SEA L f'4 )Lus:.e AND
' VAPOR Hl own"now sHoutD 6E connDERED Fort Faitues HoDE w TE sverrs, re c., 7'1E sasvouvac estip7.
6 fRoVIDE ofrd M-Evpen.ieuce sk/D T A i t v & C--
H - C E TEST-
'beTM foR.
TME IN Vol. WD EauiPHENT, 7-AGtNG E.FFccrs sHouLO BE coNsiDcNC-A IN TE.37' &
DeTA
<fo9 The.
IN Volyso E t p V f f H e a rJ
.