ML19221A217

Morning Repts for 790407-0426 Re TMI-2 Status

ML19221A217
Person / Time
Site:	Crane
Issue date:	04/26/1979
From:	Office of Nuclear Reactor Regulation
To:	Harold Denton Office of Nuclear Reactor Regulation
References
NUDOCS 7905210024
Download: ML19221A217 (100)

Text

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'forning Repor t 4/26/79 1.

Plant conditions stable:

- Pri.ary coolant cold Icg temperature approximately 224 F.

- lii@es t TC reading:

311 F.

t 2.

In preparation for " steaming" via the B steam generator, air ejector 3

nenitor readings increased above predetermined limits and the j

attempt was terminated.

No increase in activity was observed en H22-219.

3.

Two of the four fire suppression system water pumps are currently available.

Repairs are or will shortly be underway on the two remaining pumps.

4.

A reacto r coolant sample was drmen yesterday morning and flown to B&W, Lynchburg for analys is.

5.

The following information is attached:

~

a.

Latest available system conditions and core map b.

'!RC environmental survey results l

t.nalysis of auxiliary building exhaust c.

d.

Hourly B PR-219 read ings.

Attachments:

As stated ec:

V.

Stello R.

Jollmer R. Engelken J. Collins J.

01shinski

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NRC 1.1R S AM.PL.ES- - -

Following is a cu==ary of the air cample data for the 24 -hour pericd o f 6 d 2.r', 19 79.

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at i c i p.t ted s e '.' 'alo for a: hie. ig lung ter; cooling :: t.it :is ind plant, o t f ix t L i n a for i:!I 1 5.

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'!orning Report 4/25/79 l.

At 1455 yesterday an operator-initiated turbine trip o. curred because of water inningement in the turbine and steam lines.

The c'.ent occurred during approved testing of the auxiliary feedwater >ystem.

Current to the condenser.

utcam flow is through the turbine bypa ss valvec Prinary coolant cold leg tcaper3tures increased over the subsr at 16 br. period from 175 F to 222 F and the highest thermocouple reading increased from 270 F to 312 F.

A schedule for rolling i

the turbine ind blewing water out of s team lines is not expected until the morning management eeting.

2.

All charcoal filters were replaced and the "B" t rain in t!e auxiliary building was placed in service at 0530 this morning.

3.

A primary coolant sample is scheduled to be drawn at approximately 0730.

4.

Following a briefing of the Governor's of fice yesterday, a press conference was held to outline the anticipated schedule for achieving lung term cooling status and plant moli.fications for TMI 2.

5.

'"h e following informatica is attached:

a.

Latesc availabic system conditions and core map.

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';RC environmental survey results.

b he oj, d k U O230 f

Analysis of auxiliary building exhaust.

c.

At t acirr.on t s :

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r,gelken J. Collins J. 01rhi.nski

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'!arning Report - 4 / 2 '+ / 79 1.

Filter train status:

- ne "A" filter train (fuel handling building) eas pl2ced in service at 0630 this norning.

- As of 0500, 28 of the 90 filters in "B" train (auxiliary building) have been replaced.

n; cs c;30, u; n m3 i

4 2.

Alternace prese,uri:er level correlation:

- One set of data has been taken with the Heise Jage and transnitter starting at 0500 (4/23/79) and ending at 0100 today.

Pressuriner level was varied from 350 to 150 inches.

Data between 320 and 300 inches was que.stionable so level will be brought up to 350 and leu red again to obtain data.

Once data is obtained, they *eill analyac for possible correlatiori.

They have stated that they are getting "better" data than earlier.

- Although dead weight tester has been installed, no estimated time for obtaining correlation via this method could be obtained.

3.

At approximately 2230 the SB neutralizer tank ovet flowed and ran into the auxiliary building sump; they cere pumping frem miscellaneous waste hold-up tank at the time.

Readings at aux. vent inc reased for a short period up to 200-700 mR/hr.

/J'S flight confirmed no ueasurable release.

4.

Plant para:neters r teady; highes t TC reading in past 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />s:

274 F.

5.

The following in formation is att iched :

a.

catest available system conditions and core-ma b.

'Tsc environnental survey results.

c.

.nalysis of auxiliary bu tid ing e:' aust.

Attach nts:

's stated cc:

V. Stello R.

o l i ~e r R. Engelken J. Ol rh in ni

,RC Trailer :2 go 285

NRC AIR S101PLES Followinz ic a summary of the air car.ple data for the 24-hour p rf d~

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140 289 i

':orn ing Re port - 4/23/79 1.

All filters in "A" train of fuel handling building have been replaced.

One 2 inch hole eas found in a liEPA filter :nd will be replaced prior to placing the train in wrvice th is orning.

p addition,.co r k eill begin on replacing filters in the "B" i

train in the auxiliary bui.1d in g; the first 35 filters are currently being coved into position.

2.

A planned release to the river of the centents of the "A" easte evaporator cor.densate storage t ankwill b egin about n id -mo rn in g.

van t i 3.

Frelimir.ary infer:,aticn on the analysis of the latest reactor coolant sample sent to 35W Lynchburg was r e c e ived.

'o unexpected levels were reported.

4.

The reembiner was placed back in operation at 10 PM, 4/22/79.

'o explanation was given for the trip; the breakers were reset.

5.

The following in fdrmat ion is attached:

a) latest avail ab le system conditions and core map.

b)

' RC environmental survey results.

c)

nalysis of auxiliary building exhaust.

The incore ther:noccuple histogram is unchanged from yesterday cad is not included.

Attacb~nts:

As stated cc:

V.

Stello R.

Vol!mer J. O'"eilly J. Ol shinski

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Followins is a cun. nary of t he air sample data for Ll.e 24 -hour pe riod of cc L V, 1979.

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"cruin,, 7. port - 4/22/79 1.

Correlatica for lic i.se gage to pr uri_er l e 'ce l ;till not obtained.

'lork will centi.nue aft.;r prim ry ciolunt imple dr.in.

j 2.

Pr 2 ssurized primary t 'alant

,:p l e seb.duled to be dt.cn at 0700.

Licensee has obtained approved container :nd has ude transportaticn arrangements t o dw, Lynchbu rg.

utimated ti::e of ceparture: 02,00.

3.

Work continues en chinging "A"

train charco il filters in Fuel ha adling building.

As of 0500, 31 of 60 filters have been pulled.

4 Dty shift shculd follew up on: 1) usuring that phone s y s t e:n s wi. thin NRC trailers are operating properly, ind 2) ndividual i

working on replacing filters.cho had pessible exposu re has been examined.

5.

C.3re map tad latest available system condi.tions, NRC enviren-ental survey results, inalysis of luxiliary building c xh: us t, and incere thermocouple hi.strogtarn are attached.

Attachments:

As stated Distribution:

V, Stello R.

VolIner J. O'Reilly J.

Olshinshi.

'RC Trailer )2

/

C 140 295 1

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2.

Attached 'AC en/ironmenta! sur ey results.

3 Le 21 transmitter LT-2 s t il l out LT-3 i s ji"i r J a jood signal, 4.

Train "A' Aux. Building charcoal filter ry? ace nt is com>Iete.

HE?A #ilter renlace ent in progress.

5.

Cantinued atte pts to correlate Meise jage readina; iith pre-uriter le<el, Fressurizer level caried be*t.een appro<inately 23]' and 150" to provide data.

Na :arreiation has been abtained at this tice.

6.

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.,501e 5,dv countinc of local r

r'sid?nts.

7.

C n a i d ad. n rate was increased by relling tha turbine at appro-Iratelv 3

T ; reduced belcw 212 F at aonra<i ateiv 151 ram, 1300 haurs, 4/19.

g 1030 Haurs on L/19//9.

C,31 d ow n con t i r'ue d a t ang o <i-a t el y 7'F/ hour.

Tc7 reJ1 ed 5210w 2000F at approxinately 2300 hours0.0266 days <br />0.639 hours <br />0.0038 weeks <br />8.7515e-4 months <br />, 4/10 R

A!Jed 2 gai, h'<Jeazine to the a' cun tank, Thirte rive percent s,1utinn.

Finished 1300 4/20/79.

9.

Heise ; age reading of R3 su-o taken with isolation valt e closed 7adiation levels I,i that area have anrarentiv increased since original sur/cy.

A -aJiation Je*?ctor is beinq c'aunted in

• he araa to anitor r a d i a t i cr, ic..is.

13.

C a,' d o.-n is :ontinuing b.,

rolling the turbine.

452 ra<ioum tEer ocounie.atue at 05PC is 2?h'F and T,;et030F.

~= c t >s ures :

Car e l'ao System CanJitions Envirc ental :u rs ey 0:sults Jistribution:

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1.

Att iched core m ip and late ;t

' t i. l ab le ay:: t.::a c n d i r 4 m.

2.

\\ttached ' RC envir s aent.il sur',ey results.

3.

Attathed results of inalysts of,uxiii.ary 5;u i.1 d i.n g e.:di an n t.

i 4.

Level tr nsni.Lter LT-2 was lost at 2130, 4/13.

5.

Attenpts to correlate

".p ce ll re adings with prc, su ri::e r lecel h.: 've been unsuc ces s ful.

f

'P j 7 - -

6.

Thernoccuples are s able.

The maximu:n /alue at 0400 is 3290F, wi.th two reidirg above 300 F.

7.

A pressurized sanple of the reactor coolant eas taken ud shipped to SW.

It *eas delivered to Lynchburg by Llie Ai.r ' a tienal Guard at 0040, 4/19.

8.

S..vannah ' Lver breathi.ng apparatus is achedulrd to arri.ve at the site at 0300, 4/19.

9.

Wole body counting of loc il residents ' is completed on 4/18.

10.

At C630, 80 filters have been changed in the auxiitary building.

11.

A min checking *.he sump level measurc :n _ ran cut of li r, tcok of f his usk, ad later p,ssed out.

_.as dec en t:a tnated, ' hole 5edy counted and taken to the haspital,

..ite re he cas reported to be in good condition.

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.ap and latcst available s,'s t a, -^nditi:

's.

2.

Syste, c o a l d,-.a vas ini t ia! ?d at 1009.

ly 'bl0, TCOLD ha J

'oc rea sed a t 336'F.

The r:nc 7ua l e readings tracked the decreased in Tc.

dies-1 generator 'su i l d i ng 2as 5 en 3

The u,r 1 r ie.21 of t: e de con t a. ii na t e d.

4 Lesel c', a n n e l LT2 sas lost at 1745.

It res red operation at il]3 and appears to be tracking.

5.

C'arcoal cilters were sent t o 4 'J C C N far analvsis.

They were r.:u e i ve d in Columbus, Ohio at 22h0.

6.

35W re.,3rted their preliminary ana!ys s of baron in the pres-i suricej s a:,p l e to be 3930157 ppm.

7.

On unnressurized reactar

,,1 ant s c

,a l e has

'ee,

i n n d t o

' e split with 15 mi. Seing sent t a o n':L f B&W.

It.ii 11 or e-alysis.

9.

4n air curaressor and ancilla ry e ;uinment will be ship,ed to t e site by t ru:k t h i s rnr n ing #ca, Savannah River.

9 A

f. R hr. contair,ent purga o*-

Unit I :a s e n initiated.

T!:e 10-9 uCi/cc unntain

'nt at-sabere bad a ca,centratian of ?

i2Jir-and 2 x 13-30 uCi/cc ;'a r t i c u l a t e s.

t'u r g e ff'erate is 6 5, ' 'O c m.

c 1a.

';a carre13ti,n could Se,StaincJ bet-2en Heir-eage and do

cll r',jirjs and pr ssuricer tevel, 11 A letter as rece i.ed f r r, Ja ;k

.i'ssn dated T.pril 13, 1973

' >, i., ' a t i n g t h e - ri;:n.m.,tal Prat.:ction A 3 ncy as t' e lead

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"o ru i :. : "cyort - 4/17/79 core :ap ad latest, stem conditicns.

1.

Att.sc'ted copy of the 2.

h tmocouple readings are nt;ble and 31cwly heli.ning.

Tae ixit:na ce; ding at O'iC0 was '41"F; Tc

1 F.

+

g 3.

A pressurize 3 :,0,ple has been nalyzed at um.

pceliminary results indicate:

02 - 4.4 cc/kg 112 - 31.2 cc/kg N2 - 32.8 cc/kg These differ significantly frcm the results of the pressurized sample analyzed at INEL.

02 - 2.0 cc/kg 11 - 0.4 cc/kg 9Nj - 23 cc/kg 4.

The 20 auxiliary bui.1 ding filters which.,ere removed have been replaced. There will be a one-for-ene replacement in the future.

5.

The calibration of the pressuri.zer level IIeise gage.atd the dp cell are in progress.

T*iere appears to be a need to expand the r..'ge of the dp cell.

Results at present are inbiguous.

6.

Based en additi.ons to the systen, the boren cence nLration dropped to approximately 2600 ppm at 2'.00, 4/16, 'ccuning the plant eas at 3CCO pra boron at C000 4/13/79.

ples frem areas downwind fram the plant during tiie 24 hr.

7.

A i. r 3

perial coding.idnight April 16 vere bet..een 110 ;nd 120 pCi/m

(

(3

pic ;).

'ih e latest reasurem:nt in the Unit 2 ventil.ttion 5 pci/u3),

t.ick (1810-2356) indicates 1.4 x 10-7 'uci/cc ic"! in e (1.4 x 10 ur.

nt of the reactor bui1 ding so p eater iuvel is in prut;res s 3.

Tae id,

'gr -, n g.;1 mly.

9.

f.i e m' _ u t ey ta

wi.11 5e le sing m of the

..n :,g of

'.p r il 17, s

1979.

E PA is a s suming re s p c t o i.b il i ty.

t 140 5r2i r

s

---

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NI I,

At' ached cooy of t! a care nao and latest s,< tan.

.f i t i:

's.

2.

The rnn c au p l e readings r.. :ain stable.

T! ey are gra hally

'2 craasing.vith a p e a '- value of 343 at IrJ 0.

3

• in! teen filters have been rc m 2d

'r,m the auxiliary huilding.

4 The dp cell and Meise 9:r, e a r..

s velated to ,' calibreced by 10)), 4/16.

S.

A pressurized so ole of the roactor c>olant is sch"fuled for this

orning, it will be t ransp ar ted t o 35'd by Art:5 a i r c ra f t -

6.

At 1530 DOE reported moasuring an air sacolo of SJJO picacurias/m in the switch yard --- 0.6 miles east of the reactor.

An air overflight at the tine of the casure ent indicated a very narrow tac reasure ents do ut suacort DOE findings and indicate

,1-o i :di na ryajings to be 1,.v e r by a ' actor o' 10-20.

RMC readi..]s c;n ri r, t;RC res ul t s.

Acti,ns b :i r, taken inclujo 1.

t'ak ing dupl ica te neasurer unt s wi th DOE 2.

Cataining third party readings by $Al and the State 3

Con.f uc t of air surv:ys ansita at distances of e,2ry 100 maters by li.:r.ee 4

locr2ased scope of envir w entai

-,sur..

ents by I:30 5.

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- 4/15/79 1,

Attached c2py 9F C )r0 rap and Iat'>t

c. y S t t n

P litiOn3 2

Ti e r.,nc aup l e re! finos rr-ained 7s: atially <'-

'nt.vi!h a 7

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l. cop A :ald !eg tamarature is i

r appr,<imtely 2400F.

I

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c ainer l'a s 'e e n 3 paired.

It as and rece-Sining at 0500.

4 Se.enteen filters 'ad acen r.maved f r o:, t he a u.< i l i a r y building at 0700 hours0.0081 days <br />0.194 hours <br />0.00116 weeks <br />2.6635e-4 months <br />.

5 TFe fp cell 2nd Heise gage are scraduleo for.:alibration this -,orning.

6.

Bath <ent nanitors are reported to be operable.

7-T!.e ship.ent af the charcoal filter far analvsis cas delayed

ause ') f t.'e bul k of t'e package.

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,'0 4T h/!/./79 1

At*x':d <. ay of.: )re

'a p and latest 3 r, t.. t

.id i t i ons.

' e jan at lul0 hours.

2.

C ; o f R. n of t! o primary cool. int sjst,,

Pr ary t

.)erature dro.;ced 'ra ^'2'F to : p, r 1< i. a t.; 1 y 260'F

'y

'10 bc;rs.

T: r,;ouple rcafings '>:r v d as tr o coalant FC r. rfing.BJ'F at

riture 4crea

2d

.t i t h the.3a<i um JS70.

3 A p r 'ssur icud prir a ry. alant s a ;) l e sas.:allected

,n 3 is in trans,it to I 'a:m.

4 The changeout of t'2 a.* < i l i a r y 'n il ding f il t e r as initiated.

Cne ritter

'ad he:n re d at 0500 hours0.00579 days <br />0.139 hours <br />8.267196e-4 weeks <br />1.9025e-4 months <br />.

The S y d e ry n re a-oiner is still out of nervice Po air has not

' :n initiat d 2s of % 2$.

The radiation readings at t r.e panel

' r e-

!. S

.4,/ h r.

P t.,n s far esposure c:..n t r a l are in pr2jr-3s.

6.

Baron analysis by cT17ror e t r ic techn iques u re recei.ed fran 3ett is as 24.'O ppn + 100, 7

TE - ca t i'> ca t i c, of th dp cell

.m d the 'ejse g. ;e i s :,3 t d i ng,

iding de<_ ant:,ination of the

. ical la5crat,ry.

nc 140 329

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1.

Atta.ched copy of care rap ind latect

,y s t :m

.m ditions.

ding at or ' T u.v

r. 'l i n stable w i t h h i.

'.e, t r1 2.

The mc mpl es 3cS'F since 1200, h/13 2

?

3 T'

hyd r ogen iem,biner tri;3.ad off at 0115 on April 13 04 rr ad rut 1-i t e r c i.

The hyd r ogen ccocentration si'hin contair~.nt

.as appro..ately 1. 53 a t 2200 on April 12.

A

<:i s i on has not E:en ade hether to replace the ! eaters or to initiate a,.

ration of the bd.kup r:wnhiner.

I+,

A;alyses of the priracy coolant p!e far 'nran by 3W, u.NI.,

?L ti 2. sed concentrations of 3100-3530 p,a.

The r..sults of and

(

t5e.3nalysis by Bettis is e wected by f.10 on "pril 13 S.

S e t.: i s radioche,ical analysis results have teen recei.ed (copy attached).

6.

f. s o af the original,re3surizer 12 vel r.F,'.els are presently r,,s e r a b l e (the #2 pressurizer level indictor that vi a s

ported to have failed on April 11 started to function ';ain at 1955 on April 12 and has been t a ck i n g r ea s on a b l y v; 211 ).

Attempts to calibrate the :!eise pr ssure gauge have usatinu d --

.? ; o l t s are i nconclusive at this time.

Installation of a

'c 2 :kup

.p l<i.;ately 0303 differential pressure sensor Legan at 7.

Installation of the dp cell for a c ' :p ar surizer l e-

1 deter-ninatico is in progress.

3.

Th e chngnut af the au<iliary bui! ding filter m :rati n as initiated.

Due to 1<aking of a t.

orar airl

-k, the ratian is holding.

• la filt:rs,:re m d

,s a

0.

9.

>u r p r- :sarized reactar o l ',:

les re to 5?

:n L/13 10 Pm ias tallat ; m of : ii*ers in the o'-

'n.'r

> i, I s is ll < d far

, - l, ! i. '. n by C J0 in pr Cjr ess

,nd _d 4._

)I<

9 r. 3 y

I[

.' p pit is

.a i t I i'] br ' ' i I ^ 'l I i

• i n.

12.

nt a f ' 5e t e c '- ps

,i'ur

.ill

.t

i'* i e

QrniFg

-, I d I :' g,_ r bI

q.

140 332

! / I ' / T) 7,

."_ n i n o.

. art -

4

,fitis is.

• tt., led ;3pf of care ap u,1 latest 2,sta, 1.

c 2.

T'e pri.iary systen aretsure

,a s rc fu

' t3 ; n asij f>r afr-rissing <;d is being returned to pra

re-I'C r, dings re-c ained stiale 'ur ing dap res s ur i za t i on.

3 Pressurizar level cFannel L T-2.as l 's t at

?b3 hrs.

nly 2 has not jet

,ne le !! c'annel re ains cr rab!a l' ' i s e 7

.en calibrated.

a

e. L L d

4. Y ' ple r::sul t s were obta i ned frn,CrNL and S3 Results ra 2

attached.

S.

• t 0100 on 4/12/79, t;;o naste storage tanks 12ft tFe sito to s

un;!c r g ) repair work in. 4 e.v Jersey.

The t a r 's s had heer' used as t.

13arary storage for L'a i t 2

nh osate staraje ta,k cserfic.v.

Priar to leaving the site the tccks "ad 5.:n flas'2d and c.a p ' 2 s taken for analysis.

The tanks fre ro' :a s ed to the 4

truck dri'?rs witnout F ea l t h,,y s i c s 1,'p r a /a l a,d the yrror

..a s n ' t rzcagnized until the anal) sis fram me of tFe t a r '- s shc.ed Jr,ss 9 levels of 1 x 10'b uc/al.

',$ persorn:1 con-t3:ted the Pennsylvania State Pol i.:" a nd t he tank frcm shich the high siople.as obtained was intorcented 5 miles outside Harrisburg.

The tank vas escort 7d :ack to the site and arrised onsite at 0300.

NRC it.g r:t')rs urfeyod the tank --- no trakage or external radiation 10/els,ere <it.cted-A saaple ine liccasee of the tink's c mtents was taken for analysis.;

till 2dify its procedures ta require M? yair.al of all ship-t 7

-'nts t r :.1

t. : snte.

'J<a

f

,a

_/_

r -

/yc..'j rsii; 3 '.

6.

7.e lic'nsae's arrangrent for pro:2 hre r a c i e.v is having b 3, dif#iculties.

Coor finatian appears t o ':e i n c 's i n g.

R.

'!all ?r is - geti g with the li a ns.;e ta correct the 3it ution.

r.' '. '

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'=

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,; } 7 23 140 334 r

I f

f i s_.

T r 'l i.f r u y T'i t..iry F 'al e nt. / u l;. s i s

.. rc Tg c i l 11,,19 / 9 D.4.21 e i

pg.u l ts 'rcm Oak,'!.!ge, m l '_ s

.~c.a n "L_

Ta $.m >

>E00 ppm

'TW:0F < oD ' n/1

~

T

,H

^

3.0 7.0 Calc. n::li

.,g c.

6 a

" d k.r.uclide.

pCi/ al. -

dja/.nl -.

U[9 1 79 2./7 x 10 a i^

II 3

10

/ 3 I

3.2 x 10

),g) x jg 132

~

I

<<0 3

C ; l '~ '*

82 1.63 x 10

/ (-

Cs 330

/.11 x 10 J2J 3,-

Cs ~

103 2./4 x 10" l

8

'/

,? s S 2.01 x 10 7'

3

'a ' ' O 200 3.3 x 10

,,/

t-3 La' 0 160 1.0 x 10'

./

s S r' 600

(

9

.t il j ;j -j c

l. 3 x 10 s,,.E 3 c0

, 103 x1

.1. d.

.).d.

Ca ' ' '

7.ia x 1 o' 3

1

), 7,

. 10

?

.,, Il C 3

.e X !d

( 5 '.*)

>X jU g

/

.1 '. 7-/l,

'/

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< 10,,.S

<t

/

.1

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a.d.

? x iu a

's n.d.

c. o ' r n ',.

i?cs 140 335

• 7

\\

 : r n i n q

,rt-. - h/11llG e

1.

" t t c _' d cry af care ap and latest ;ys*,. nlit.cos.

actar i mic it s

,t.., b;assing

':rati: os

re 2.

nt

. erd;

'..,,.er, after cycling dcan to 1,25,)sig, the n;a ra t i on 1.ad to

'2

>rted'_

'use the letdoon flaa auld,

>t

.p

,c2 with

~'

tFe increase in pressuri, 2r 1 c. 21.

Pr,-

re

<a s t'

n incre-ed

}

to 550 psig,

?:uas>ing o~ curred.

Pres' e

s sub-are s'

m

_ y :ntly incie.

2d t o 'fi O ;: s i g r e it is 5:i ng r 'a i n t a in cl hile pressuri.er le.el is being ic

<e.ed.

J.

A

,c -..=y c;alant scnpie cas drc,n at 0/30 P a r t i.,ns af the p'e have been sent to "attis, 0.k Ridge ani Savannah Ri se r.

Par t ians,ere also taien by 35W and.%tEd.

'e r s o.:n e l ovrutures in 05taining t.e sa-ple ran.jed frc.n 5 to 1:'O nr.

4.

Nctor building negative pressure l.a s decreased slight 1 / dur-ing the past 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> --- 0.62 psig at 0300.

The e:,e rg ncy caoling ioester pu ps,2re shut d o..n a t ~ ! C ]O c o './10/ 79 --- a r-il t of lea' a je prchle as; h a., 2 v e r, the f.: n coolers hr.e re-ained in ngeration.

TFe l ic ensee pl.:ns to restart the baaster

,. ps if the nerja t i ve p r es s u re decreases to -0.5 psig.

5 Pr ssurizer le.el channel 42 has been erratic for the second night in a r e.v.

It failed high at 02L8, and r e c o v e r e r; at 3258.

It failed high 3;ain at 9395 and reco.ered at 0313.

6.

'.k ther oco;ples have ru ained ess:ntially. :;n s t a n t and belos L - ) ) F.

7 T:,- cadi tio, oonitor at ten fuel Sandling huild ' Hust tr-2d t ' c aug;aut the day but e p3rienced tvia,,-

s at ';10 and 0300

.a r s for

.*.ans not,. e t f e' :r. i nc d.

a d

140 336 i

Ie

n i 'n

' T o r). T w i> ! L 10, !;79 1,

Arts hed c^py of core r:aps, la*,st s s t..:n tr.ditions, ad op of r el e,ses.

2.

E < 3ec t to take a r.mtur u:alant _ 7e ahot

'C C J -0/00 1

(4 /10 ).

3 The,rw a k t !. : r moemp i c s indications

p, ?a r tu have

-clin.?d to siightly less t' an a0F. for the first ti.e.

4.

At

>out 1750 (4/9) p r. > > u r i.:e r level LT !? sa s 3 arred to h

spike and peg high <ue.;esting eitier a

hart or r'p e n andition.

A,< itch t a L T,!3 wa s acc.:plished for several tinutes, then returned to LT-72 unich rated <atisfactarily until..a u t

% 20 (4/10), hen. a i k i r.g r. x.:o r e d.

L T J!1

.a s n'

r 2d in>perahle -

aperating on Lf'#43 Situatio, being

.ve,

. sed.

now S.

As acs pressure

.a s incr-ated starting a b ut ONO 4/9 a gr.aual increase in act;vity <as obser.ed by fuel > andi ing bl dg.

<<h'ust ionitors.

ifhis was.issociated with the routis.e tran,rer of let-6n 7 :s f ron.th : rea k t ;p tank.

This.ictivity ir.cr a "

,,s t,roi~ated at Oout 16J1 h;urs.

Pf ar s are be ing cons i der ed to r ':.i t e and t rans fer l e t dn.sn gases into contai-nt.

6.

Filters for cor 'ense r ejectors instal!ati2n ic p r oc.

ling.

Charcoal tilt rs ' ave h.

n plao2d in the filter housiag.

7.

In<tallation of charc,a1 cilters in u<iliary,,uildiag xnt is still h a i n g c o n s i,'.: r a d Crane is in pi: :e ta pla - t ':e us-ing 3a the r ;of if it is es ded, b.

The pru :nt estistate by the lii nsee is a, i n i ra of six days e

c acity for. ; 1 1 e r_ t i c a m d c n t r 71.; f li pid r.:d-iste 9.

Tha < i. 'e rang:

<t,..,

.,r>rator

'3' 11

) i:. f i c !

o

!s Imt.

' e rat ing ; er je 1,. 21

,b

- nel is :Li1i f.,v tI> al.

.' r a -

~*

i'.es for ilterate 1 21 indi. iti,n si :

2i,g d.

a l.'

If

-,,j

, ~, / l '- f.

i - (,

' / !)

/

~/

.j,

.;*f,.

,,...r, z.:,. i c' '; f

, ! w <,. (

}

140 337

=y

• f

(

\\

2 10 T? e reactor cantant s.s!.a

',n<.ing l+/9

.a s

. i t i c, u. J '; y 3n 1^ 2 ring the sys :< a per- :. u r e frc, 1900 ;2s i to l ' 9 ;> s i in

>t as e

of CD psi ( a p p r n.< i. 3tely 5,,si/r.in).

eter ch SO is i i duc-tion, tl e plant status cas e /alua ted p rior to initiation of the n e <. t pr :s s ura reduction step, f"e licensee plans t o un 'u r t ake a.vther 42 7'ssing ;pe r a t i o n d r. < n to~J:0 psi

>"d prec a r e s b e been ypro'.2d.

This operation sill n 2t start :n t i l si'n-t ian of RCS level inst unentations is rea t '.:s sed.

j i

11.

T' e noise analysis indicated, for the first t i c 'e, t !'a t

')th

,.nerators mere sol id --no pr. sonce o f g:2 s at l' e last

,n

- ",.r c s sur i za t ion stago.

S ' i.M ',.unt

sur

nt

.et.

.t.d :,assi-bility of gas in the

'3' st a, ganerator s.hich is rc,

n for another degassifi.ation cycle.

12 Tech Spec Change was au t hor ized a t N'400 t o

,2 r rrr. i t nerations with inoperable C;ntais.u nt E,ergancy Cool ing ': as t e r pu ras.

Contain-2nt fan coolers are to remain in arcration under the Te c h bec Change.

lj.

Alternate level instr.. (He i s e ga ge) has ' ;en installed in RCS sv,pling iines.

Perforeance i s n o.v b e i n g c c '- e d o u t.

~

140 338 3

e

)

y s

s Jh Spril 9, i9/9 1.

At tac'ied copy of core map and lates t sys ti a c,n.fitions.

2.

All pressurizer le.el p robe s are func t i on i ng

normally, i,

3

~.,,, c t to take a reactor coalant.

ple - iM h/9 Filt:rs for _ani~,ser ej ec t a rs installation is 4

proceeJing.

Charcoal filte,s have been placed in the filter housing.

5 Installation of charcoal filters in mxiliary building cent is still being considered.

Crane is in place to place the beusing on the roof if it is needed.

6.

The present estimate by the licensee i s a.ain imum of s i x days capacity for collection and control of liquid rad-oaste.

7.

Th wide range steam generator

'3' l a eel i n<!ic a t ion :a s lost.

D r.o operating r.>nge level channel is still functional.

5eing reviewed, Procedures for alternate level indication are n3. The reactor coolant systen degassing cas co,tinued by Inwering the s y s t e rn p r e s s u r e f r ~1 !C30 psi to 100 psi in teps of 50 psi (app r ox in.it e l y 5 ps i/ni n).

After each 50 psi reduction, the plant status was etaluated prior to initiation of t!,e n:xt or:ssure reduction steo.

9 The onise analysis i n:ii c a t e d, for t ':e first tir,?,

that both stema 9:r.ratars.:re solid--no presao_e of gas at the 'st A> pre-ori.ation, tage.

140 339 c 1

-s (j L y.j -

s

~%

7

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ll X/

. ~

t/

x

/

Aj.

h/

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J-

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