Text

TMI Morning repts,790427-0507
	ML19289G016
Person / Time
Site:	Crane
Issue date:	05/07/1979
From:	; Office of Nuclear Reactor Regulation
To:	;
References
	OLS-790507-1, NUDOCS 7906220089
	Download: ML19289G016 (94)
	v • d • e

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?!OR:;ING REPCRT 5/ / / 79 (05001 1. DHE Upgrade - T" cameras installed and operable; accelerometers cre installed. Hydrostatic test of loop 3 completed. Small leaks were detected and repair of the leaks is in progress. A flange in the suction line to the RHR pump appears to be the biggest problem-2. Auxiliary building supplemental filter train is in service with three of four filters operating. (Third train operation was resumed at 1100 on 5/6/79.) 3. The pressurirer was taken "selid" per procedure Z-63 about 0200, and is presently holding at aboc* 1142 psig. The f our-hour " hold" will end about 0915. 4. The following attatnments are included: a. Latest.ivailable system conditicos and core map. b. Iodine monitoring data obtained at hourly intervals. c. NRC envircnmental data. Atrachments: As Stated cc: V. Stello

3. Crier C. Lainas J. Collins J. Olshinski M.

Fletcher Trailer 42 249 013

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{ g p' L \\ Bases . 'j; k h a. Fionion Products Released to Primarv Coolant Il l;j. The concentration of fission products in the pri=ary coolant are cal-p! 1.- 1. rt ~~ p 4 culated using the ORICEN Code. This ff code perfor=s a caterial balance I[ , ~. J using the principal source term parameters. i Y[t Fission products are assumed to enter the primary coolant due to N cladding defects in 0.25% of the fuel producing pcuer. E. ; The rate of fis- ,.].{ sien product diffusion into the pri=ary coolant M: is calculated using ?; Westinghouse escape rate coefficients. s The Westinghouse values are used f, p - because of their extensive experience with presourized water reactor fuels. The coefficients used arc chown in Table B-3. ) TABLE B-3 r" FISSION PRODUCTS RELEASED TO PRIMARY COOIANT - PWR ..t. p', Element s I Escape kate Coefficient (s ec ) , {' Xe, Kr, gases 6.5 x 10 -8 + f I, Br, Rb, Cs -s 1.3 x 10 d< 4-Mo 2.0 x 10 j f Te 1.0 x 10 ' i S r, Sa S 1,n r 10 / ~ ~ Others -12 1.6 x 10 b. Corrosion Products Released to Primary Coolant A model has been developed which yields PWR primary coolat:t cut-rosion product activities which are in agreement with values Amra need 'l L f4l L. '" I l

e g/ 54elle "C:G;I ;G FFFORT 5/6/ 79 1. DHo I grade - n' c ane r as ins talled and operable ; accelerometers are installed. I!yd r os t a t i c test of loop B delayed due to problems with the hydrotest pump. 2. Auxiliary building supplemental filter train is in service with two of four filters operating. (51ird train operated from 1900 on 5/4 to 0545 on 5/5 wher. it eas shut down to perc.it completion o f cons truc tion. ) 3. Be follewing attachments are included: a. Latest available system conditions and core map. 5. Iodine monitoring dar, obtained at hourly intervals. c. 3C ensircamental data. Attachments: As Stated cc: Stello 3. Crier G. Lainas Sevfrit s. J. Collins J. Glshinssi M. Fletcher Trailer 12 S U / ',

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'iRC AIR S t'! F"I S Folle. ting is a stu~ ary of the air sa::ple date for the 7 day perial of 19 79 th r ou gh 1979. Locatico 5.uole Ti:ne cfm Activity uC1/ml Date St? ?!r h lm d'!!! -QS(/ V' C T-t31 4 7 X /0 ~ I S/T 2d U U G<- % ) .- rcn ~9 sc, d. r-isi <_g. n i,,a u 'l f - a i c 4. ? g ' ' s/s-n ny G. A 'r br' /cs-tar ,( ( l74. b V4 $ h q ben N)l/Y'~.2 D VY' D-A ]X/ 9 _,1 I O e m h e O sa b 5 6 - & c ). I k c.

f-1}1t/B Ct MORNING REPORI 5/5/ 79 1. DHR Upgrade - IV cameras installed and operable; accelerometers are installed. Working on re=ote oilers for pumps. Hydrostatic test of loop B scheduled for today. 2. Auxiliary building supplemental filter train is in service with two of four filters operating. (Third train operated from shut down to permit completion 19_00 on 5/4 t;o 0545 on 5/5 construction.Ihen it was ot associated 3. Lost temperature indication on lower seal cavity for RCP-1A. 4. The following attachments are included: a. Latest available system conditions and core map. b. Icdine =onitoring data obtained at hou rly intervals. c. NRC environcental data. Attachments: As Stated cc: V. Stello B. Grier G. Lainas K. Seyfrit J. Collins J. Olshinski M. Fletcher Trailer #2 249 0?O

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snu ns,. t..-. . -. = rolicwing is a su==ary o f the air sample date for the 7 d ay pe r i od o f d't7 / 1979. 19 79 through f,fa y Date S ampl e Time efm Activity uCi/ml Location & ;.3 A/o _ _ I?/ b '/ 5 ; / _C S./ e?:o-cvzo -- (e.. 1,f

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NRC AIR SAMPLES Following is a su. mary of the air sample data for the 24-hour period of /sl4j , 1979. Loc a ti o_n Sample Time cfm Activity pCi/m1_ b74 ha

I6 C2 3 0 - 043 o 1

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';RC A ix b /c ru s 7 day period of /h / tollowing is a summary of the air sample date for th e v 19 79 th r ou gh 4L 1979. / Date Loc a t i,cnl Sample Time cfm Activity uCi/ml i m r u NRC Daily Sample d!///1 7^NE Gbs 04, /53 N N / m Ci$ d@ /H 46r /D * ' 5/.?bf An.fd /m-c/= g o /n r4 x to ' - ENn niz oh N, <=sn-im sd sch., < t 5 us -n-d'

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.LdA$A pa /L WD f/5 - /R T n'f 6o Jw af.L c is /' r C 249 00) e- -e--w --e e. -+ e

P.ORNI NG RE PORT 5 /4 / 7 9 1. CHR Upgrade - TV cameras installed and operable; accelerometers are installed. w'crking on remote oilers for pu=ps. Operability test was cercleted. Results not yet a va il ab l a 2. Auxiliary builcing supplemental f il ter train is in service with two of four filters operating. 3. Se change in instrument or system / component operability status. 4. The following a-tachments are included: a. Latest available system conditions and core map. b. Iodine monitoring data cbtained at hourly intervals. c. 'iR C env iro nrental da ta 5/2/79 pressurized Sample Analysis c. A;tacFments: As Stated cc: V. Stello E. Crter G. Lainas K Seyfrit J. Collins J. Alshinskt M. Fletcher Trailer fi2 O e 249 039

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NRC AIR S AMPLES-Fo11cving is a summary of the air sample date for the 7 day period of /?L / $fa u 1979. 19 79 through f / }ocation Samnie Time cfm Activity uCi /ml_ Date c :. 3 x se ~ S// R/ e/' G: GL,s e32o-cvic - lc... J 7.,3, f.gt c 5 9/ //D~/L $ /r b r o n-s !i m. f's,. b - M': C - /C S$ _ pq,,., S.[ m s-fi C ~J isa H < s-A s :. J/ 7,.ri < /. 7,r so -'L CaSerus rsn, &Irr g/ Rz e i-Let /='t? M/f {, e n,- 3 ir.i;i, // y, in " Sbo t tr Sa % A w . (M - A r d i~ D _.5// Y" G A +' 7 [-/3 / d /. I. X/O 'll pQ MI Rsli la l ri S D Elf } / [ ? ~ ], 2 3 8 _ N Yl 0???-( 1[ $- m b j_. i 3 i,/ e ff 10 ~ Y,/$ ,% w ttu f3/ Z Yh / /[s ~' he l ~ //) $Fw lY' b 5-(T 5: A' k / S u f - /J'/,$~ J[ f-/5/ < C T r // y' c.,s, c a,,, e M na 4/ sce-,w J. s-E'- 7 _7 /3, / $3 /[~ O /Ch~ __ - /U Tc - tsTo -Y'/s /kh' A. k., itcP /7sY GT T-ni z s. u '~' rlg i!.~ M G & Di2c-izzz 7 w-M L 4 ') 0i ? r T =
NRC stiE S AP.Fl.E_S su==ary of the air r.arple data for the 24 -hour period Follo.cing is a of /d fly,3, 19 79. Act ivi t'y 2 Ci /cl_ locatien_ Sa=ple Time efe bMd b^b-bI6 O2 3 0 - OT3 e 1 131 - 1 g d $ X t o' 5 6 ~i )E I o ' L... - I$'.r M F-I c h-ill o '- - I f,1,j-M A 4 ~ P -...._.; _.. * .n.],__,..
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~ fi f f . N(b's u /) !l [^ ,/V I MORNING REPORT 5/3/79 1. DER Upgrade - TV cameras installed and operable; accelerometers are installed. Working on remote oilers for pumps. Operability test planned for today subject to completion of procedure review. 2. Auxiliary building supplemental filter train is in service with two of f our filterc operating, The bypass valve to main condenser has been repositioned f rom 3. 877. open to 847.. 4. Te=perature in makeup tank was rais i and slight puff occurred j f Heated water was introduced to B with no offsite consequence. cold loop as planned. 5. The following attachments are included: a. Latest available system conditions and core map. Iodine monitoring data obtained at hourly intervals. b. Instrument operability status c. d. System / component operability status NRC environmental data c. Attachments: As Stated cc: V. Stello B. Crimes K. Seyf rit J. Collins W. Mills J. Murphy Trailer #2 e 2i9 C:0 4
,/ 'v / I ')- 3 4 i G '7 ( 9 10 11 i '2-13 it is' A s 30 2el X X Zrd x n3 tRT X n6 c D X M X X F76 X X no, E 2f X s X 2t9 X m X F X X
~~0 no X X I8/ ln 4~~
280 X zrl z# X 234 X 18 9 X les X H g X M X 291 3M X 15 0 X X I89 X X X ur M X x t l'b 5 X 16+ X X rRD X ~ ID7 X X zro X 24 09]' X lgs s d X 2o0 X X M C16 X X o X 185 [Ri X [$2 r?S P leo X X Q j 9z tar TC W sg og% T A== K l Tc.3 -:=- l 3~7 ~ c @._ o sco T A = l 14 T E,=IT7-a a E,+ 4 m g B 6 p. ^" "#anistnsta'no's """'"" THREE MILE LSLAND NUCLEAR ST ATION UNIT 2 'i I + .j l/ FIGUR E 4.3 -c-
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.~m _2) 21 ,w 1 ,~~ 2.. 1,...,_. ~ S$ 9 Srmur -/46 Gbcb:. f% '[_ 1 (R:1-LT1) / , m u n er tevel Y", ,IV 2 P rehi t ::4 on 4/4/70 ~ 0 - Q 3 ,S~ P ...w3g;_ _ . p. - 7=^ - b.G _ y ac cr Coolant Flov 3 2 (1 1. PDT2) . U:.'~Q; (loop A) 4 ' ' -l--}Yg -3 l'.UM" _ ,7. , g 2 (143 PDT2) {,. -N' s."&F __ - F.e a c t or Co ol e nt r i ov 1 ,.? -,3:c;'. (.odp B) u .s4 3 4
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3
' *.; g: g ~ r -)6 CcP l " c r-n ~ ~ .--o . 4 S a (F_ '7 f 's O 'i' a. Range Erector Ccolant Pressure [1700-2500 psig o Na r rcr - O Loop A Nzrrov . - 1700-2500 psig ' O-2500 psig on computer. - 3 Vide Vid-D-2500 psig on c omp u te'r '.~ '_ O .. ~ -. O 0~500 ps59 Sta rtup 1700-2500 psig o toop E Marrov o 1700-2500 psig. NarrEv. O 0-2500 psi 9.on computer Vide -I Ranoe _' d Ste ara Generator Level - f D-25D" on cosputer. 'W Startup. A 0-250" =G Startup _ D-3 00% on computer t 2.n :r.s or 8 6 3* Full Range 0-600" on computer .~ (P ~ Operating ~ j "-T ' .r. 0-250" on coraputer ~ Yf StarLup 5 0-250" ~# Startup 0-100% on computer Operating lo Operating. 0-100: ' f . Fu12 Range 0-600" on computer / O Ste ar., Gene. ntor Fres sure 0-1200 psig .A o. ~ D '1200 psig ..B - .~.4 ~ -1.cese Part.s. Monitor gA +..~.. - 0, operable e - F f ailed I e e .; w
8*
~~~ "A.- 7 -- 249 mJd 1~~
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/ F.aieup / ?.ihp Head Safety 2njection .. i ' -. rs u 4 0 Fumps (2 ? umps) System va'ives O C or.ta i r.me r.: S p ray ( 2 i.rz.i ns ) O cor.tairr, ant Fan Cool ers (5 Cooi ers) Q f . -Service Water Syst.en (4 pumps / two tra ins) Io IO - Cec cr.ent Cooline Water ~ (4 pumps 7 Two trains) Auxiliary Feed { 2 el ectric pumps) - 'D ~' - f Diesel Genera tors (2 Generators for Unit 2) o ofi-sit: Fa ar O 2 s .,r m H Eec mbiners (2 Recombiners) O E, d g. 2 g_ [
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57C AIR S AMPLES_ for the 7 day period of /fb / Folicwing is a su= mary of the air sample date s U 1979 through 46, , 1979. / Location Sample Time cfm Activity uCi/ml_ Date_ l I NRC Daily Smole ^ lb /m S~b bn /H 6 & r' t'.2 ~ ' Jf/f/4 TN[ Obs [td, i3 : ~' 6b/7f A.m f/. ie c/: x e t'in 76 x M w
NRC AIR S AMPLES_ Following is a sur=ary of the air sa=ple d ate for the 7 day period of /fy / 1979 thr ough Afa u 1979. / Location Sample Time _ cfm ectivity uCi/ml Date e 2. 3 A /o S // E/M// G:/SS./ ,~ 3 2 0 - ovzo. je-.. J 7-isi ?C: T - /C$$ /8%, $h ?. W d ? $N / /0 ~= l $ f/ l f be91: f's e b e 0 & p"l1 /2.s ~ S i 3 <?- /J J S~ /e%,a y.,A 7^., n / /. f X /C "U C $se m k C J < .s-/ RL R, Z.- t /c/p - fi/6 t, o n, - 3 Z'-
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E / U MORNING REPORT 5/2/79 1. DRR Upgrade - TV cameras installed and operable; accelerometers are installed. Working on renote oilers for pumps. Auxiliary building supplemental filter train is in service with two 2. of four filters operating. 3:30 a.m. 3. The RCS ;a=ple system was lined up for recirculation at in preparation for sample collection at 5:00 a.m. 4. B. OTSG draining has been stopped. i 5. Seal flow to all RCP's has been reduced to 2 gpm. The bypass valve to main condenser has been repositioned from 907, 6. open to 877.. 7. The follcwing attachments are included : a. Latest available system conditions and core map. b. Iodine monitoring data obtained at hourly intervals. c. Instru= cat Operability Status d. System / component operability status NRC environmental data e. i Attachments: As stated l cc: V. Stello B. Grimes K. Seyfrit J. Collius W. Mills J. Murphy Trailer #2 l t 249 0l'9
g? q I 7-3 4 f G 7 ( 9 10 11 i s-o it if 4 ~ s t% 2o6 X X M X nflM X n7 c D X 2X X Xd4 X X n4, E iM X 233 X 22r X nt X F X X w nz X X iss A4 4 K X 2629$ X z% X 197 X 204 X H 89 X 94 X z94M X r59 $ X X nc X X X 2n ix1 X e t 1% IN X iu X X 139 X lg+ s 2o4 X X 2n x 2n ix7 X = d . X 213 X X-X - X o X n3 1% ~ X $5 ~ IM P l17 X X Q tss M6 r/z/79 ssco 7;a=IGslEE=lotI) 6/ 0 = M G.f 8 =.n8~j w ' '**" u"amtE?oWo"s"aMo's"*" a THREE MILE 1.SLAND NUCLEAR STATION UNIT 2 b FIGURE 4.3 2 - 6
q r Q t O N o o ~ y Q
~~h. h 2~~
3 h l Y Y M Y e s s i o Q m o x N N M M M d k D u ( \\ h O b d M g D D M i M 1 J N i 8 8 i g t b (y 'O g q b N D ss p 3 ( k \\ % b M g 5 14 s. m a m h b 2 e$ 4 b C x ,u ~ g x ~ 6 d y y q d 4 8 8 % S w x s s y s2 3 4 4 a a e S v% w c. L (L A n = = eg s 1 ~ 'b 'b k h 's b t) @ s S w o n e x 6 Nx m e 9 '4 9 N 's e$t i C't- 0.s i s c r es x _.o r s.s y b lfi N ( v a f s0 W 's y u a s s 4 R x m > x 4; x w N
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9 gE I p i I O-Ad d J E O C H 9 a ( J f w o o o e 9 0 L L L h' A 3 i I o o 4 e 'f N m m m m m Y q a ~. C O e N '[ E N W N N 6 h u N G x r e N d d o O N O o i 2 } 6 \\ L. \\ o A &x S d s s x x r M M 3 9 b a. ~ S s A A x x s 4 Q N 3-T L O g r ~ m Q [ 0 g a 0 Q k h O 9 A a c 2 c N d a N f e-k m o t g u o e t j v o $ n t R w w s O O d s 5 a 4 o O O 1 i r Y h f N P d M i 41 u:0 3 x x x a ~ ~ e s N n e (w ~ ~ s O O o C t o o 4 0-O o 8 0 O o c o O n O 'O O O cJ 8) T LD J 6 D 0 C O n O a o O O O
c w.= .a ~ ,,_n.._,. _. ~ _......_.._4 674ws -//$ YJthNr- ,5l/)71' E/2 9 ..p. z 1 ( R~i-L 1) / n e.su,-i:-r level 2 P rebi r-m on 4/4/7'c O - [~ [ 3 ,.s5' r r- ..'556_ .f.-W - ~ "' or cool ant F1av i ()oop A) 2 (1 1. PDT2) .,.y';f .. -3
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~ .. - c.uS'$ [ ', g *j '4y_fF - Cool a nt Fl ov 7 Reactor 2 (143 PDT2) (,ofp B) d."8:'- 3 -.,'-.-fQ:. _ z .u-T:. % c '.' fW . ' ',-' -f-p. Keectcr Coolant Purp 1 CAHTT ?AEII#'E.'[ p I'/0 2Cf Le a C C- . Sea 3 i res 5u re di~c '^ '~' ' " ' '. ' Q_.y 9 3 4 JG CcP
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,_ _. o 5 .o 4 _S '7 i c1 _ L _. ~ o _.; a. .l; 22 a c'. o r Ccoiant Pressure Range Narrov [170C-2500 psig ~ _. O toop A uzrrov 1200-2500 psig Vide 0-2500 psig on comp u t.cr. 0 Vide 0-2500 psig on c ompute'r - E0 ~ O 5tartup 0-500 p.:ig troco E Narrov 'l700- 2500 ps i g. _. 0 O ~ Rarrifw. 1700-2500 psi g. O Vide 0-2500 psig.on computer Ste an Generator t. eve] r Range - lq ~~ A 5tartup. 0-25D" on coriputer. __'N 0-250" 5tartup ~A ~~ /~ a ' ~~' & Doerating 0 ') 00" o n comp ut.c r - ~ 8 # '-'"" 3 ' Iull Range 0-600" on computer N 1, .L - B Startup 0-250" on computer ~ j' Startup 0-250" __ r ~ Operating 0-100% on computer Operating 0-1DG" -D'F . Full Range 0-500" on c ornputer s / Ste m Generati)r Pres sure O 0-1200 psig .,.".s -A 3 ~ 0-1200 psig ,O -Loese Parts Monit.or ~. -o 0 operab~le e f,,ai1 ed e 2 p j p. a.
a.
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r i! r- - --:-.. : c ,.. c e o r Coolunt Sys: ca. F.CP 1 A (0parability rcrers to avziiability of skal O wa ter and operabra ity of oil lif-pumps) ?:. ..,.s, C - g-- prp 1g ? O ECP 25 Frc suri2 =r YetS 0*^ 25 h' 59 D(in ' al v es O - - 5prov Deczy ~deat Rem: val ( DSR) - Fu=ps (2 (ump 5) ~ 0 ~ s --.:p y System val ves n 'a Mairup / Hihp Head Safety 2njection l t, Fumps (2 ? umps) _ 0 Syste.m val ves O C or.T.a i r..e n: Spray (2 trains) O ror,tairr, ant Tan Coo'lers (5 Cooi ers) C -Service k'ater Syst.en (4 pumps / two trains) io _ - Ca=,:r.ent Cooline L'ater- (4 pumps 7 Two trains)
~~O Auxil.ary reed (2 electric pumps)~~
'D t Diesel Genera tors (2 Generators for Unit 2) o Ofi-sit: Pc ar O 2s a,> 2;df_ E Rec mbiners (2 Recombiners) O 2 1 d .]> HE CL.=J.G-Uy ,7f y.r - O ~ -l e I c t U Li i =,. 4 ] M r.
_. ~ - 9 NRC AIR S ' WS 7& summary of the air sample data for the h period Following is a 1979.-- of,qqq g, /)[g pocation sample Time cfs Activity uCi/ml g 9%Cw% G o c$ 4 ,,,.1 < 2. s..- or S* b Is*f < 3.C 4 X Jo tsstst. trL 15'o -m gj, f// 2rcw/ /3 a -u.iar a s= - 28 E'", c. c,,, A bfI Ch Ad1.4 / /% - M/S & nL, 3 EtSi t /. b 3 x sc ~'I ~ c6bA $~cv Kt/ 9 % bi' O5" 4 S'A E / GD c)/t/C ,/ ) I 2l X /p " ( W.Gp cr4 p f h L. l-0 I D - 2 3 ^4 9' J 1 I~ NRC Daily Sample IQi
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t MORNING P'.: PORT 5/1/79 1. DER Upgrade - TV cameras installed and operable; accelerometers on pumps being installed. Working on remote oilers for pumps. Auxiliary building supplemental filter train - calibration of monitors 7. ab out f inish ed. Cut into ventilation stack is working. 3. The RCS sample system was lined up for recirculation at 5:00 a.m. 4. B. OTSG is being drained. 5. The following attachments are included: a. Latest available system conditions and core map. b. Hourly HFR -219 data. Instrument Operability Status c. d. System /ce=ponent operability status NRC envirencental data e. Attach =ents: As Stated cc: V. Stello /~B.Grites$) K. Seyfrit J. Collins W. Mills J.~ Murphy Trailer #2 k 0 {) ',S
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NRC AIR SAMPLES Following is a sum =ary of the air sa=ple data for the 24-hour period I 1979* 3D Location Sample Time cfm Activity pCi/ml {\\lJ\\* A* % 0900- I Dis' L l. I 1 in' ,1(,: /u ~ f mMer ?>re 7M D 6. Of gyfo - 03W 7 4 5,4 x /n' i; (,'/g pdL Guk 19 IT 30 0 3 4 l' b XI O ~ ^" QL Gk n,41 - p 41 3 <l G n 10 I t NRC Daily S amp,le IN I 150D f3D f y /0 ~ l c;,9 44/ L. m I
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~~sa4 g[Mh MORNING REPORT 4/30/79 1.~~
DRR Upgrade - TV c amer as ins talled and operable ; accelerometers on pu=ps being installed. 2. Auxiliary building supplc= ental filter train - calibration of monitors about finished. Installation of frame and plate for isolation capability and connection to existing train expected shortly. 3. Auxiliary building flow paths - supply f ans and additional exhaust fans will be started to atte=pt to reduce airborne iod ine levels (while still =aintaining negative building pressure). 4. Containment water level - now estimated at 5b feet (425,000 gallenr). Source is leakage from component cooling system and safety valves and venting losses from the pressurizer. 5. Sump pumps - both su=p pu=ps inside contain=ent are inoperable. Some other =eans will have to be found to remove sump water for cleanup. 6. Tank f ar= in fuel pool - tanks in place; welding of piping continuing. 7. Heat balance by B&W; 4/29/79: Core Decay Heat 1.7 MW Preccurizer Heaters
~~0. 3 FM Loss in Letdcun 0.22 MN Loss to Centainment Air 0.05 MW Loss Due to Piping Underwater 0.1 MW Loss frca Safety Valve Leakage 0.3 If,J 2.0 MW 0.67 MW Calculated Re= oval by A Stc.~~
Gen. 1.3 MW 8. The following attachments are included: a. Latest available system conditions and core map. b. nourly MPR -219 cata. c. Instrument Operability Status d. Syste:/co=ponent operability status e. NRC environmental data f. B&W heat balance Attachments: As Stated cc: R. Voll=er W. Mills e, 3 n -- -
~~3. Cri=ec J. Murphy Ca l~~
R. Engelken Trailer #2 J. Collins
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INSTOUMENT DPERASILITY STATUS No C+*9wc f t'M '//Z 9 I pr, ss uri2: r level 1 ( R01 - LTl) 0
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2 Problems en 4/4/79 -f 3 e-rL Reactcr Coolant flov 1 F~ W UC5 o (Joep A) 2 (1 A PDT2) /; - 3 , ;e 4 o i ~ i. Reacter Coolant Flow 1 .o (icep 5) 2 {l"E POT 2) F 3 0 4 0 Reector Ceclant Pump 1 . 5eal Fressure 2'/0 2CP L e w E F-C A H 7 f ? P E S r M L~ fy --g p __ k __ l G Cc A L w,- (* * * !^GS-n '- w 'v. F ~ E o 6 o / 7 - / o 8 0 Reactor Coolant Pressure Range Loop A Narrcri 1700-2500 psig O Narros 1700-2500 psig Vide 0-2500 psig on computer O Vide 0-2500 psig on c a.mp ute r 0 --- S t a rt up D-500 psig O tocp B Narrow 1700-2500 psig o N a r rtA< 1700-2500 psig o Wide 0-2500 psig on computer o Stea. Generator Level / Range - 1!# A St2rtup 0-250" on compute r Startup 0-250" /~a'<# " ' ' ' ' ~ ,sr. Operating 0-100% on computer /# # " 3" Full Range O-600" on computer F E Startup 0-250" on cocputer A Startup 0-250" f" Operating 0-100% on couputer ,O Operating 0-100 F ull Range 0-500" on computer lF / Stea : Generator Pressure O ~ - A 0-1200 psig S 0-1200 psig o 9 Locse Parts Monitor O cperable 244 U/9 g r' ai,ee e 6 O G 5 e
'If J v / r a 3 Svste- / Ccmpenent Operability Status Alo Cth90&S FM %/19 D yk r e r-ra n &
~~eactor Coolant Syster RCP 1A (Operability refers to availability of se_1 O~~
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-!O RCP 15 O RCP 25 O Pressuriz er Heaters D 3(,,[flyoff spray ','al s es ~ O Decay Heat F.e ncv al (DHR) pumps (2 Pumps) O / f System valves C n &ieup / Hih.o Head Safet.y Injection v Furps (2 Fumps) 0 Sys ter val v es C Ecn ainment Spray (2 trains) O Contaiment Fan Coolers (5 Ccciers) C Service Vater Syst_cm (4 pumps / two trains) !o
~~D C omp;r.e n t Cooling Water (4 pumps 7 Two trains) hunliary Feed (2 eiectric pumps)~~
D Diesel Genera tors (2 Generatcrs for Unit 2) o C f f-s i -e F o:cr O Z s..irm,, E Recmbiners (2 Recombiners) O C c r i r, I I rM * * >y ) NS 0D0 0 =b ?lCff 0 l {lbO j l i e
T _NT.C AIR SM'?IIS su==ary of the air sample data for the 24-hour period Fe11 ewing is a o f 4.,' c ?, 1979. 7 I Locatien Sa=nle Tice cfm Activity uCi/c1 & /ra. ~- 'C ~ /.,. ,Jhd) //5'J." O P CA -- e GCS^ 5 l. <6B C gx ?Ev ,m l,, 2 - lS3 2 5 d 7, 73~[ I' C.J,. L L 1
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Morning Report - 4/29/79 1. Alterations to auxiliary building ventilation system have been postponed pending procedure review and approval. 2. Modifications to feedwater system are continuing. 3. The following attachments are included: a. Latest available system conditions and core map. Hourly HPR-219 data, 2. c. Instrument o p e rab i' i t:. status. d. System / component ooerability status e. NRC environmental data. Attachments: As stated cc: R. Vollmer
3. Grimes R. Engelken J. Collins

4. Mills J. Murphs NRC Trailer 32 l b '/
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1 _NR : AIR S A"JLES L Foll ing is a su= mary of the air sa=ple data for the 24-hour period y , 1979. r o cfm Activity pCi/ml Locatica Samole Time l ]e/ Mtinrm A d N /^ 0202 - 0237 S~ C 4 l b X /0 ~'l \\ yy O > W 'p.--iZ W='% 3'% % '* t-r l 4 % q'// W Fa n, T O@ y/ % _9;y x-:p'bsr--.A: ~" . 4 7.].X / ,S 4.J p/m /DC ~ ~ -. .~ j [QN!'= 2 &@'l)][d6 'M j.E$?bi[&((y[2hIS$ ? 5 Srnam i /Isv,,, 0 ws /4//0 - /S/0
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^? .ad Morning Report 4/28/79 1. Pres ;urizer level monitor LT-3 f ailed at approximately 0915, 4/27/79! after initial spurious readings approximately 8 hours earlier. Because level instrumentation in the primary system was centinuing to degrade, it was decided to place the system en natural circulation ahead of the announced schedule. H. Denton and Gov. Thornburgh were notified; the IRC was manned, d-f At 1330, 4/27/79, a by-pass valve on CSTG,"t was opened. Increased iodine levels were noted in the control room, unnecessary personnel were evacuated, and the operators went on masks. The ARMS aircraft was launched but found no iodina offsite. A xenon plume about.1 mR/hr above background was detected up to 10 miles SSE of the site. The reactor coolant pump was tripped at 1410. Natural circulation cooling was achieved. The highest TC reading during the t r an s ien t was 341 F. However, at approximately 1600 it was observed that i A T's off the hot and cold 1 cgs on OTSG A and B began to diverge. It became apparent that natural circulation had not been sustained on the B loop. At 0100, 4/28/79, iodine levels measured by HPR-219 increased - ). As a result it was decided to irolate _ _ _ _ < = - - OTSG Bln an e f f or t to terminate the release. The ARMS aircraft was launched.At 0145 it was noticed that the reading on the computer printout was a negative number and shortly thereaf ter it was determined filter cartridge was being replaced in the monitor at the time that a of the erroneous reading. The monitor had returned to normal levels by 0130. A decision on whether to reattempt natural circulation cooling in the B loop has been postponed. 2. Arrangements were made by the IRC for a heat exchanger foc OTSG "A" to be transported from Corpus Christi, TX. It is expected to arrive onsite Monday. 3. A press conference to announce the transition to natural circulation cooling was held in the late afternoon. 4 The follcuing information is attached: a. Latest available system conditions and core map. b. NRC environmental survey results. c. Analysis of auxiliary building exhaust. d. Heurly HPR-219 data. Attachments: As stated cc: R. Vollmer B. Grimes R. Engelken W. Mills J. Murphy NRC Trailer /2 } [1 ') bbb e e
i i i I i 1 2 3 4 ,5 6;7.g'i /c II / 2, /3 /V /5 i i i l .4 i M zis' X ,l 3 [~ c_ _ _ X zq X z2r nt X av X M X X no X X ui a N X ur X ns X n7,X s-
~~4 X~~
24 orl X X, fi3 tri ~ [3 M X zu i#, X-zW X zoi X ziv X . n t! X ts3 X sos tz?j X Vol s l XI X zos X X X m 14! X x s insi:si X ao X X (23 X zm!X .X us x vt :ze x iu. X zzo X X a7 N X X a X Mt ),0 X iK4 lFt o irr X X ,o zo3 /r4 4/2t/79 06co [pe pr y X A = /6 9 F g g. zo 3 *p 7~ 8 = K 3 *P LOCAT!CN OF FU E L A s5EUSL!FS CON T Al'4!NG rURN ABL E POISON RODS TH RI E M I LE iSLA N D NUC LEA R ST A TI ON UN IT 2 !A ild lM2 y, j4g r;p 7 @T '- -- - ricuae 42 2 >
i .. _. - _ _ _ - _ lh#R 2I9 _ DA177_ __. Y lA7 __. 17M L _ P -E G 2/@__.
9. 7C'X/0 ?

f. } $ 4 /0 ?_ _ _ _ /. 6 7_ ?/0_ # _ _.
~ ~# . _. __ _ _ 2 2 00 '__ _3 0 4 x 10 ' _ __ 2. // X /0 /_23X/0 ~ 2107) T 1T X /0 E EE X /0 ~' 9- (/?X /0 _ ? _ _ _ _ _ _ ~ ~ __ __ l244~0__ M7/ /b " 9 21.x /0?_ _ '/. 72 t /d ~' ~ jZP _ _ ~' ~' _. - o t@ ___
~~f. trY/o~~
~~- C 29 K /0 ..2 7IX /d ~ ' 02@ 3 t 7 f to ? _ _ 6. 6 4 X /D ?~~
~~3. 3 /x /d~~
~~Y. --~~
~~030D_ 2 % C X /e ". _ _ f. 2 7 X /0_ '~~
~~2. 0 7 X ls *_Y_ _ _ _~~
~~~ 010D -_. l 0 4 f /t ' _ _ _ C f Z X /6 '~~
~~f. 41 X /6 _~f __ _ _~~
~~~# _. _ DC00 E_ /3 X/0~~
~~9. / 7 X__ /0 '~~
. f.o / X_ /0 !_ - _ _ ~ ~ ~' ~ . --_ 640D 9 0 2 X 10 9 9 3 X l0 - / M X l0 l . __ _y ,+-cumu--- .w -+.-.-----.w -= wN l i YY 0 [0 . _ _ _ _ _ _ ~ _
1 c~/. ,<f. ~ p, NRC ALR S/JiFLES_ su==ary of the air sample data for the 24-hour perirx! Folleving is a3 4 7 _,jJ / IM-f Locatico Sample Ti=c cfm Activity nCi/c1 p?) E t/ fab. sg3'y__fof /: N - 2: V/ C l. l. E-/L y i fc a 4$ &h. 51f - ~ NVI* ' 5 ),~3 EEll ~ * ./ E
~~.m r w Cod H.H e~~
~~< // 0 $~ ll R&{&d/lHL,'JVSI-/((l~~
~ 5 M //tdun* i Cac( AVr M, //20 -/I26 [ d // 9 [ '// ~ f rv Fu' i a b. I> < 3 5', 6 - / t (C, A, ~ le + /932 - 2 ?32 'c 4 '- ps, g - 4 9/53 - 2 p5 3 b <C ?, 6 L ~ / L Ob L (*~ -N Mt9-. on53 1 < /, i d - (2. NRC Daily ,_ / 3 Sacple /.9 kr S 005~3 4r s fp)ym & }, / y/0 O b 5. D,. h r i+l2 C - c//z ( O ,. 4 Y *,' ').,.4 p L -i , a A I e
=d s )4 3 Morning Report 4/28/79 1. Pressurizer level menitor LT-3 failed at approximately 0915, 4/27/79l af ter initial spurious readings approximately 8 hours earlier. Because level instrumentation in the primary system was continuing to degrade, it was decided to place the system on natural circulation ahead of the announced schedule. H. Denton and Cov. Thornburgh were notified; the IRC was manned. At 1330, 4/27/79, a by-pass valve on OSTG "A" was opened. Increased iodine levels were noted in the control room, unnecessary personnel were evacuated, and the operators went on masks. The ARMS aircraft was launched but found no iodine offsite. A xenon plume about.1 mR/hr above background was detected up to 10 miles SSE of the site. The reactor coolant pump was tripped at 1410. Natural circulatien cooling was achieved. The highest TC reading during the tr ans ien t was 341 F. However, at approximately 1600 it was observed that aT's off the hot and cold legs on OTSG A and B began to diverge. It became apparent that natural circulation had not been sustained on the B loop. At 0100, 4/28/79, iodine levels measured by HFR-219 increas'd _(5.29 x 10-7,/ar/cc max. ). As a result it was decided tc isolate OTSG B in an e f f or t to terminate the release. The ARMS aircraft was launched.At 0145 it was noticed that the reading on the computer printout was a negative number and shortly thereaf ter it was determined filter cartridge was being replaced in the monitor at the time that a of the erroneous reading. The monitor had returned to normal levels by 0130. A decision on whether to reattempt natural circulation cooling in the B loop has been postponed. 2. Arrangements were made by the IRC for a heat exchanger for OTSG "A" to be transported from Corpus Christi, TX. It is expected to arrive onsite Monday. 3. A press conference to announce the transition to natural circulation cooling was held in the late afternoon. 4. The following information is attached; a. Latest available sys te= conditions and core map, b. NRC envircamental survey results, Analysis of auxiliary building exhaust. c. d. Hourly HFR-219 data. Attachments: As stated cc: R. Vollmer B. Grimes R. Engelken W. Mills J. Murphy NRC Trailer #2 2hh
l I i l l 1 / 2 3 S' .5i6j7+3{i /0 il /2. /.3 /Y /5 i \\ t { 4; I 1 i M zd X. l \\' g X to X zar rd X av _ _c_ X 'lM X X no X X ai o N X nr X ns X n7,X e M X ioh or X X,113 M M X 20. i# X 2W X zoi X zw X e a n t, X 2d X so3 s2p X M X X zo3 X X X m W X .e ~ [ l2od MI X ao X X (23 X ~ n zm X IX!aslX za yei jx i i nz X zzo X X n7 W X X a X Mt 10 X iXi lft _p iir X X g O 203 /P4 4/28/79 06cc [pe /tef X A = /6 9 f G 8 zo 3'F 7~d= K3*P LOCA T ION OF F L'E L A SS EM B LIES C ON T AININ G BURN ABL E POISON RODS THR1L Mit E LSLAND NUCLEAR ST ATION UNIT 2 2k FIGURE 4 3. -c,6
1 e . llM 2 /_9 __ CAIA l2 7 _ ~ ~ .._ _ ___. - flMS f .-_ f L- ._ _ _ _. 2l@ _.9.7s'X/o ' __ __ f. 4 4 x /o * * /.67 X/0 " ~# ~ 220D' 2.01 x IO ' Z. ll X /0 _ /_23X/0 ~ ~' ~ 21UD T.C'/_X/0 ___ E EE X /0____ 'f. 'l?X /0 . __ _ _2 ' ci r0
~~f. 07/ /0 "~~
~~4 21 X /0 ^ f.72f /d~Y ~ vhr __ ___OtoD f./fX/P .G 2td /d~~
~~2. 7/X /d ~ '~~
~~~' _ - 02@_ 3.17 f /0 6.64//0 3 3 f X /d~~
Y
~ ._. 03 GD _ _ 2. % C X /0 ' f.E 7 X /0 2.07Xje~? ~' O 'l 0 D _ - _ l 0 4 f /l _'__ C f Z_ (/6 ' _ __ _ /. tli X /6 'Y - _ - O s*00_ _ 8_ /3 X/o # _ _ 9. 2 71 /0 * - /.o / X /0 ~Y _ _ __ 6tuo 9.021/0 't. 9 3 X lo ~? _ _._/.o r X lo ~' ~' i . _ = _ h e -ee-I n g ~ m a ~~~ 2 4 '/ U '/ 2 e
cn ],,. j ~ g q,nc Att s;yst.ss su=:ary of the air sa=ple data for the 24-hour period Folle -ing is a3 , 1979. of j ' l-/ 3 / ~ Lo c a t i en Sa=ple Tice cfm Activity UCi/ml ~ A u' fa$. '@ L px /o f /: H - 2.' V/ d cl, 2 E -IL fev4 Cdc .tV! / - t s/VT ; 2.= c ll3 C*tl
~~w a,ca.n~~
[S flid /!uL, ' JVST - /[s~l .i ~A //D$~// Mit:6-1: E d/i ) E -l/ ~ cm e rir E+. /!2L - / Y 2 '- .s' zm Av L a b. l < 3. V C^ - /. }<G A, ~ le + /932 - 2232 2 o6 b fr. 6-9 OlG3')253 b < ?, 6 6 ~ l 'L. Ch. (*, N ^10/ 9 - (?;33 Y2/ f < /, i d - r 2. EC Daily _f 3 sarple f.gv ki-5 c: 53 J,1 fp} g ], } ).,9 Vl2 C c/j'; f Ob 5. (%. -Y 1 2 t
i ~i s 3 g-Morning Report 4/28/79 1. Pressurizer level monitor LT-3 failed at approximately 0915, 4/27/79i af ter initial spurio :s readings approximately 8 hours earlier. Because icvel instrumentation in the primarv sys t em was c on tinuing to degrade, it was decided to place the system on natural circulation ahead of the sancunced schedule. H. Denton and Cov. Thornburgh were notified; the IRC was manned. At 1330, 4/27/79, a by-pass "alve on OSTC "A" was opened. Increased iodine levels were noted in the control room, unnecessary personnel were evacuated, and the operators went on masks. The ARMS aircraft was launched but found no iodine offsite. A xenon plume about.1 mR/hr above background was detected up to 10 miles SSE of the site. The reactor coolant pump was tripped at 1410. Natural circulation cooling was achieved. The highest TC reading during the t r an s ien t was 341 F. However, at approximately 1600 it was observed that aT's off the hot and cold legs on OTSG A and B began to diverge. It became apparent that natural circulation had r.ot been sustained on the B loop. At 0100, 4/28/79, iodine levels measured by HFR-219 increased . - ~ ' -- -). As a result it was decided to isolate OTSC 3 in an effort to terminate the release. The ARMS aircraft was launched.At 0145 it was noticed that the reading on the computer a negative number and shortly thereaf ter it was determined printout was filter cartridge was being replaced in the monitor at the time that a of the erroneous reading. The monitor had returned to normal levels by 0130. A decision on whether to reattempt natural circulation cooling in the B loop has been postponed. 2. Arrangements were made by the IRC for a heat exch anger f or OTSG "A" to be t r an s po r ted from Corpus Christi, T7.. It is expected to arrive onsite Monday. 3. A press conference to announce the t r an si tion to natural circulation cooling was held in the late afternoon. j l 4. Th e foll owing information is attached: I a. Latest available syste= conditions and core map. b. NRC envircr= ental survey results. c. An aly s i a vi auxiliary butiolug exhaust. d. Hourly HFR-219 data. 1 Attach =ents: As stated cc: R. Vollmer B. Crimes i R. Engelken
~~'. Mills a~~
J. Murphy NRC Trailer #2 '/_ $, 0 b9h / J-
/ J NRC AIR SAMPLES Cr>,7t e u
~~f ' ~~~
4Q Following is a,su==ary of the air sample data for the 24-ho.r period ~ of 1979. Location Sa= ole Ti=e cfm ~ Activity pCi/ml ~Q f L/,j d. /,' 5 5 ~.2! f/ d $, 5 5-/L p'zA', n _[o f / __ a --..._m, E-l. hu l / I * ]- /s ..- =+:: $ ~. x ~ i :- ~: n_ r: L. f wn [ed Ha l) ~- ? < // 0 ll ' ' " ' '* {,h 7. f6d /,{//$r~, ~lYY~l0Y ~5** ' ~ M //s o L /t E C,-n e ds J14, /fEC ~ l V2 & [ dll ') C 'll ~' S rv rw 1 a b. I, t .T V L'-17 78,. A, ~ (, + 1932 - 223-) Co O 'in et, e-9 J/6 3 - 2 3S ? 6 <cP,(6-/L Ob s, (n b M/ y n33 i f < /, 4 6 - n. l t __ / 3 NRC D3ily s Sacple /sm ke5 0053 le 1 f p)p,m & }, } y/0 Ob 5. (% t Y f2G ~' 4'f2 S 1 1 .' k =: ! ,,;..2 2A'j U,-i a r- 't
I i [ l 1 3 i' .5 i 6 ' 7 i 3 i /; /I /2.,/3 /Y /5 q__---- g .,n I l l t t l { j I, C$$ zir X I. l _a X zo x z2r T(r X uv c_ X ' lM X' X no X X ter _.o _ _ __._ _ N X 23r X ns X n7, X y N f Jt4 \\ j X iA or X X 1r3 M l \\ 1 M X 2n id X-2W X zol X zs X 3 n t! X 2d X so3 32? X M .w !X !Xl2o3 'X X X s 7tf X l
~~2 cot l~~
!X ao X X las X -l l 1N X )( li i 24 3 2.12-l 20 f N li M 2. f X zu X X a7 N X X l i X M t )ff X M2. At nr 'X IX i zo3 fr4 4l2t/79 0 &c0 i [p7 e /tr f /c A = /6 9 f~ G B zo 3 'F X A = K3 *f L OC Al lCN OF F U E L A '.5 E M S LIES C ON T A!NING E U RN L.E L E P otLON R O DS Tri RE E v 1 LE LS LA ND b'UC LE A R S T A T IO N ' 'NI T 2 61W3=a r @ sv - -- O l> r, cur e a _2 ~ ' ' ' eme ') 4 g Ij 9 D I ~
-;*tw%g,,*- Nii$Ei$;9 0w,>. _____j.-IPW 713 OAl~A __ _ j 1 ^ //2 7 _ - _l T.-:. a. . ~. l 1 - 77N5 P. ~
~~f. :.~~
~~f._ ( __ _ _ _. - - 2 / m- -. _ __ 9. 7 s'flo '~~
~~f. 4 o_x lo_.?- __ __/. 62 X/o~~
~~I ~ .g -r -3 i - _ _.__ _2 2 0DL _ 3 2 4 x 10~~
~~2. II X /0 l 2 3 X /0 1~~
~~_. _ _21 crD _ S. c_y x_t_o. _ _ _ _ _ _ _g. g r x /_ 6 - ' _- _ _ y. c/ P X / 0 ' ' A ~5 '24 h~D / 0 N l6 "~~
~~g. 2LKIO-4'. 7 Z Y l8 ~~~
~~~ 2.. l ~~ 4/2? ~ I 1 -7 4 . _. 0 /@ _~~
~~f. ts'Y/0~~
~~- C 212 /0 3 7/X l8 - f ~9 -n -1 _ -_ 0 2@. -_ __ 3 O f /0 __ C. 6 4 A /0 %3 /X lb ~ _y ~' ~ .-.03OD 2 E S'_X /0 ~ _ __ E- [ 7_X /0 _ - 2 O_2X /d_ 0 9 0D _-~~
~~1. o f f B '. -~~
~~s'. / Z i /6 ?. - _ / 9't. X /6 ~ ~ ~ ~ D GTO E /3 X/c__~~
~~9. / 7 /_ /0 "~~
_ _ _ _ f. o / X Ja ' Y ~ ._. _ -_ G 4 c/D __ _ 9. o *L X /0 ' ' ~ __]. 9 3 X l0 -- _/. 0 5' X _ IC f i I P
'hs t Morning Report - 4/27/79 1. The full range level monitor for OTSG "A" failed during the night. A summary of OTSG level in trumentation is listed below: RANGE OTSG"A" 0TSG"3" Start Up Upscale Failed Full Failed Failed Operating Range 1 Failed 1 Failed 1 Erratic
1 Operable

Doe s n ' t correlate with strip-chart indicator attached to OTSG"A" for trcniing purposas.
2. Pressurizer level (LT-3) monitor was erratic between 0030 and 0130, then returned to normal. Similar activity was exhibited by other pressurizer level indicators prior to failure. 3. Plant conditions sta51e: - Reactor 'colant cold leg temperature approximately 223 F. g, m, c thermocouple reading: 310 F. 4 The following information is attached: a. Latest available system conditions and core maps. b. NRC environmental survey results. c. Analysis of auxiliary building exhaust. d. Hourly :i?R-219 readings. Attachments: As Stated cc: V. Stello R. Vollmer R. Engelken J. Collins J. 01shinski !!RC Trailer !2 ') /1 ') R r) ') i' i.) T ,/_ t s O
_.__ ___.-_ _--- --__-.._ _ _ _ _ _._ _._HOORV HM-2/9 ffA0MGS_ _,_ _ f 2 7 Zf _ _ _ __. i el i 1 Si11 1 I _ f)ug _- - / i S' 4 i L-ti q: O / O D._. _.- -... / M f /0. "
d. 79'X/0

9. 0 7 X /0 ~' '
~~~ 0 20D _ _ _ _ _ _ d. 3 rXJo " S nXJD M- _9' 03 X /'d'; ~ ~ O3 00_--_ _ E 9 7 K_/o ~"~~
~~6. 74xja ~_L 3'04.L/66 ;~~
~~ONGb __.__-4._3TK_/0~'L-_fC4iJ6_*'._ 91.01X /0 ~ ' O COO /_2 x_. /0 ? _ _ C. S'1 X fo.' /.3&X /0 ~" 0(s00~~
6. 26 X /0 *
CA91_/O " _J.1CX /0_ " ' ~ 213 x i& ~T ic. i vi ro ' ' v w !? .: wO. l g g h l e -e. -~_ -w e. J ---_.-i----%,-e% ea.--ee a m. em n. w -.. - -. aim e N ^ _-f l ] a e a I L I I y --w. ie i l I i t j t e b 4. i o,.4 i i , n 4
I 2 .5 Ll 5 (o 'l 8 9 10 Il 12. 13 14 15 Al \\ M zu X 3 I X vs x 225 Ez X 2n c X DG X X 23i X X uo a ~ 284 X 23r x 2n X 2s1 X zM X M /77 X X,nz X y ~ bt X 21z fA X 2Vo X 23r M zri X 4 o zs t X M X 293 M X X X 2sS X X X zv3 M X x]l to uv X 28 X X 22 2 X M X 23/ Xl273cgl x 23y n[ X tM X zn M ix X X 23r trC ue X 2M M9 o M X j g 0 224 215 4l27l79 OM [ A = 22 3 f LOCATION OF FUEL ASSEMBLIES CONTAINING BURNABLE Pol 5ON ROD 5 TliPJ:E MILE LSLAND NUCLEAR STATION UNIT 2 YjW5 f ') 1 ) >f1f} _j r, ~. MW~"-~~~ FIGURE 4 -2 1 /' cr
1 NRC 4IE S.a w rS su==ary of the air sanple data for the 2I.-hour pe ri od Follewi g is a cf CA-I ', 1979. 6 Location Sa= ole Tiae cf= i c t ivi t v nCi/c1 5% e-.7,, $, 3, c Se !.!} l:oro 'l Cl1h-O 21( S.~., 2.- < 7. J' [ - / Ts 0idC ecua l c a4 O L-u o
~~t. - T' l 4? 7 C iv~~
~~?. c, r{ *s im u l:J 5I L L W ~ l [ ~;- ] $ $ lh* b h E -Ib .s...~.~~
, n.-

. 2,u

&
~~1425 tsu g,{ z_ s-E - ru a_ ~ y re i 7, 2 [ - / Z. = : u. ~ +c il. 0 4C-Ib'9c g 0;n 2,:.- x.- n = u _ a 4 ;._c-.M / cl Ll "LIG / 5 4,q ce f y j g- k l t I. 'e 1 w I i~~
~~RC Daily I~~
7 yt h[ hp- /((~ Su=ple -y ${- j 'A' /,ns c w,or,- [f r.rtr O/ s [4. I} I fl l .c s e e e
J s Morning Report - 4/27/79 1. The full-range level monitor for OTSG "A" failed during the night. A summary of OTSG 1evel instrumentation is listed below: RANGE OTSG"A" OTSG"B" Start L'p Upscale Failed Full Failed Failed Operating Range 1 Failed 1 Failed 1 Operabic 1 Erratic
~~Doesn't correlate with strip-chart indicator attached to OTSG"A" for treniing purposes.~~
2. Pressurizer level (LT-3) monitor was erratic between 0030 and 0130, then returned to normal. Similar activity was exhibited by other pressurizer level indicators prior to failure. 3. Plant conditions stable: - Reactor coolant cold leg temperature approximately 223 F. - Highest thermocouple reading: 310 F. 4. The following information is attached: a. Latest available system conditions and core maps. b. NRC environmental survey results. Analysis of auxiliary building exhaust. c. d. Hourly HPR-219 readings. AttacFaents: As Stated cc: V. Stello R. Vollmer R. Engelken J. Collins J. 01shinski NRC Trailer #2 7ta \\D?
/ 2, 3 4/ .5 /o '7 8'i /0 Il /2. /_3 /f /5 n; M m X ~ 3 X 7Xt X I z25, Xz X 22 t _ _ _ _c-DG X X 231 X X uo X o M I X zsr X 239 X 2st X a zM X i M n7 X Xl22zX y X 23rlM zrd X bt X 2n DQ X 240 _3 H 2sr X. M X 293 M X Mi xj X X 234 X X X 243 M X tc zn X 2R X X 227 X e M X 231 Y zu 2d x ist n X M X 231 M X X a X 2r trid X 2Ml M o g[ M X _ _ _. - -Y _. 224 ztS 4/27/79OM [ A = 22 3 f LOCATION OF FU EL ASSEMBLIES CONT AINING BURNABLE POISON RODS THREE MILE LSLAND NUCLEAR 5T ATION UNIT 2 b .hR&MX p, D ~" ~ ~ FIGUR E 4 J-2 -c.-
._...-.--] 4 H0afd /W-2/9 M@dGC i __._E 2 7 7 9 _._._--_- - - _ - - -. - i i q i 4 ,'I. f__. .g, 1 - - - - - - - ---pf-g __ f I ,4.- s 4, 4 i -i 1 O / 00 _-- .../01K/0 "
~~d. 79'X/Of KO 7X /0 ~? ;~~
~~~ O250 _ _. 6. scx30 3,n xir y 03 x_js ~ ~" 0300_ _--_ 3^ 9 7 X_ /0 ~"~~
~~4. ?vx /d *4 9' cct /d ~f!~~~~
~~ON Ob -_ _ _ _.. -l. 3 sK /C~' f [_4 x' /d ~_' oI X /0 ~ 2-_.- _ Sr/.sc L /6 ~" _ OCOO-L9LL jo ~ __.t. V1 Xjo .. _. O_G9D d.26 X /0~~ d 0 4 L/0_ ./.9r~X /0 ~" i ii i j i ~ I 4 l s 1 1 1 i 4 i g~~

~~e-.-~~

~~e- -e-u.= e __--%.ae~~

~~w-._-e~~

--eme.- w. _---.-==_,e----- e- ..- - - - + -. - - -. - - -... - + - - - - - -. - * .e-_w -..m.-- .we.- -e f. m .-..---e e-*-- 1 f 5 m.- l ~ h h I [ s i e I 4 _m I I g j e 1 i [fQ i j [ ) i c,,, i o. ~ - - i 1-l I t ? i g
d I pTC AIR SM'PLES Followigg is a su= ary of the air sample data for the 24 -hour period o f C.44 lb, 1979. I Locatien Samole Time cfc Activity uCi/ml Y% l-
~~T,*, & t r d.~~
~~6c!.!Lhor0 0 l I G - O 2 I L~ S~. 2 - 4 7. f E ~ l 7.s kC U0 v 0f44 Oouy (. I' 2 p. g f-f p a.cc c ,$:,u A u C:: *I 01 Le - 1 I2.J &[G Cdk 4 4 E -I2- ....n ~ a e t, 'g p,I J 'r l't zf -Ins g,f~~
~~z. 5-E - l >~~
u< ~ s ce l 7,7(-/L 2,: e ye% 4.J 17 '/ C - / 5' 'f o r c./ n3 4 su e 4.._% a.t l '. LI 1JGl S m,, d y. f y/O-p-w,, w.,r, x t l l l 1 i i NRC Daily ~ l g f,((17- /hC~ Sacple , y g,, _ AY6 C%ra%m ( = (tdTr / s 4 [} d [= s 5 @}}

ML19289G016

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