ML19312D168: Difference between revisions
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{{#Wiki_filter:h %, P ,w .. L . :L ~ % '' fx 'a w :; . | {{#Wiki_filter:h %, P ,w .. L . :L ~ % '' fx 'a w :; . | ||
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W - - | W - - | ||
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q q;.- | q q;.- | ||
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+ p | |||
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h(y ,},'y , . .: < . | h(y ,},'y , . .: < . | ||
W :".' :t pg s ' _ | W :".' :t pg s ' _ | ||
r | r | ||
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L: -- | L: -- | ||
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y"%y g lM | y"%y g lM | ||
[ [-ENCLOSURE (4' .. - | [ [-ENCLOSURE (4' .. - | ||
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> + | > + | ||
3.- . | 3.- . | ||
Line 61: | Line 40: | ||
, gp ;7 , | , gp ;7 , | ||
- di , 1, JHARTSVILLE NUCLEAR 1 PLANT; UNIT- B-1a . | - di , 1, JHARTSVILLE NUCLEAR 1 PLANT; UNIT- B-1a . | ||
I a 94 , 2 [3 ;'USE'0FcINCORRECT s [10'CFRIPARTj50.55($)) REPORT CONCRETE ~NO.' 3 f(FINAL)1 MIX IN SHIELD BUILDING WALL | I a 94 , 2 [3 ;'USE'0FcINCORRECT s [10'CFRIPARTj50.55($)) REPORT CONCRETE ~NO.' 3 f(FINAL)1 MIX IN SHIELD BUILDING WALL | ||
. q;m . N, " | . q;m . N, " | ||
Line 69: | Line 45: | ||
~ ; , + ;-' ~ -: n , | ~ ; , + ;-' ~ -: n , | ||
ML ,;n eu x | ML ,;n eu x | ||
: ,~ | : ,~ | ||
m M $0nIJunef26,;:1979(TVA notified.NRC-0IE? Inspector, W.;BF Swann, that-the- | m M $0nIJunef26,;:1979(TVA notified.NRC-0IE? Inspector, W.;BF Swann, that-the- | ||
~~ ' | ~~ ' | ||
laubject<NCR was/ potentia 11yfreportable'under 10 CFR)Part 50.55(e).; | laubject<NCR was/ potentia 11yfreportable'under 10 CFR)Part 50.55(e).; | ||
iThisfisithe final lreportion the subject NCR.; | iThisfisithe final lreportion the subject NCR.; | ||
~ ; | ~ ; | ||
b N '~ _, ,.. i Description of-Deficiencvi - | b N '~ _, ,.. i Description of-Deficiencvi - | ||
~ ' | ~ ' | ||
f, _ q:n. _ | f, _ q:n. _ | ||
~ k- i,'- | ~ k- i,'- | ||
~ - | ~ - | ||
n ,z | n ,z | ||
~N' < | ~N' < | ||
\ c | \ c LThe 'second 'concreto L pour, vnumber' BlR-2'B,' Jof": the unit;B-1J reactor shield. | ||
LThe 'second 'concreto L pour, vnumber' BlR-2'B,' Jof": the unit;B-1J reactor shield. | |||
M ,' : building"from (--): 21'7." i ot ?(-): 11'7";and from 0 to :360. degrees was _ | M ,' : building"from (--): 21'7." i ot ?(-): 11'7";and from 0 to :360. degrees was _ | ||
, - _'placed with Tconcrete mix 300;75)BFW-p ^ (3000. psi concrete) rather than- | , - _'placed with Tconcrete mix 300;75)BFW-p ^ (3000. psi concrete) rather than- | ||
,L_ ,chefrequir'edl mix 1401.5,BF (4000_ psi concrete). | ,L_ ,chefrequir'edl mix 1401.5,BF (4000_ psi concrete). | ||
Line 113: | Line 66: | ||
: s. .. < .. . . . | : s. .. < .. . . . | ||
- ; LThe" deficiency wasfdiscovered by the materials en;;ineer who made - . . | - ; LThe" deficiency wasfdiscovered by the materials en;;ineer who made - . . | ||
!the mistakeJ(see cause?of:the deficiency). When'he was.looking back o.ver' | !the mistakeJ(see cause?of:the deficiency). When'he was.looking back o.ver' F' | ||
F' | |||
(. - | (. - | ||
, cwh_atihad .b'esn ?done,Lh'c foundf that he had specified the wrong: concrete - | , cwh_atihad .b'esn ?done,Lh'c foundf that he had specified the wrong: concrete - | ||
Line 122: | Line 73: | ||
c . | c . | ||
':Cause ofJ the Defic'iency | ':Cause ofJ the Defic'iency | ||
[W/' (The. materials \ engine' e riresponsibledor pour: number BlR-2B 'faile'd to: | [W/' (The. materials \ engine' e riresponsibledor pour: number BlR-2B 'faile'd to: | ||
Lfollow?procedureiand{ consult'the applicable' construction. drawing for w.f (determinationfof1the: required _' concrete ~mixtfor that_ pour. Asfa result, w che' filled iout 'the pour card for pour BlR- 2B? incorrectly' and the' concrete'~ | |||
Lfollow?procedureiand{ consult'the applicable' construction. drawing for w.f (determinationfof1the: required _' concrete ~mixtfor that_ pour. Asfa result, | |||
w che' filled iout 'the pour card for pour BlR- 2B? incorrectly' and the' concrete'~ | |||
't q - (was.placed according to,.otherwise; proper procedures.1 | 't q - (was.placed according to,.otherwise; proper procedures.1 | ||
~ | ~ | ||
V - ' . | V - ' . | ||
., . m ? Safety-Implications- | ., . m ? Safety-Implications- | ||
;,n- ' | ;,n- ' | ||
Afterfreviewing;the results of the'compressiveistrength_ tests on the 7 | |||
fg Q " | |||
Afterfreviewing;the results of the'compressiveistrength_ tests on the | |||
Q " | |||
.;aamplesltaken[from7this. mix, TVA and GE/C. F. Braun: concur that the | .;aamplesltaken[from7this. mix, TVA and GE/C. F. Braun: concur that the | ||
, ; concrete:in" pour number BlR-2B is acceptable for use. Therefore, s i i | , ; concrete:in" pour number BlR-2B is acceptable for use. Therefore, s i i | ||
%thiscondition[doesinotipresentasafetyconcern.: , | %thiscondition[doesinotipresentasafetyconcern.: , | ||
.a .. ....1 ... | .a .. ....1 ... | ||
g Q Test;Results and" Corrective-Action- | g Q Test;Results and" Corrective-Action- | ||
:: ~, | :: ~, | ||
2TVA.made compressive strength 1 tes_ts on:three.fsets of cylinder's(taken: | 2TVA.made compressive strength 1 tes_ts on:three.fsets of cylinder's(taken: | ||
W ' c' Jfromlthis~po.ur. 1Thefre'sults/arejshown below. | |||
W ' c' | |||
Jfromlthis~po.ur. 1Thefre'sults/arejshown below. | |||
M | M | ||
^ | ^ | ||
n .2;[ 3 .., + mr _; y~' y; , | n .2;[ 3 .., + mr _; y~' y; , | ||
s _y k r '* 3 4 , , . 6, . ., _. g , | |||
k r '* 3 4 , , . 6, . ., _. g , | |||
j g ;jSample.NO.- ', 8-dav? ,'90-Dag; '180-Dgy. 270-Dgy; | j g ;jSample.NO.- ', 8-dav? ,'90-Dag; '180-Dgy. 270-Dgy; | ||
- m -lb/in 21 ' lb/in* .Ib/in ^ 1b/in W , K m <- . . . | - m -lb/in 21 ' lb/in* .Ib/in ^ 1b/in W , K m <- . . . | ||
N | N | ||
,e s *M ,at ^ S11 ' | ,e s *M ,at ^ S11 ' | ||
. 12909 R :4156-' '46521 , | . 12909 R :4156-' '46521 , | ||
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[2 . | [2 . | ||
L38377 4758 | L38377 4758 7[43L , l_' ' | ||
7[43L , l_' ' | |||
deferredCto | deferredCto | ||
]9~ w), '+? ,' ,S , t _y '1839;- 3767 | ]9~ w), '+? ,' ,S , t _y '1839;- 3767 M4 '270-Day! 3697? | ||
M4 '270-Day! 3697? | |||
w y+ 7 | w y+ 7 | ||
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ps y ,' - , , , ~ ~ ' qv . , , , | ps y ,' - , , , ~ ~ ' qv . , , , | ||
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a v~:.' , | a v~:.' , | ||
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- < - + | - < - + | ||
? Q JR %.h n?& f-?'y N h . . f M | ? Q JR %.h n?& f-?'y N h . . f M y ,,r. M ~. .S m :6 , .'l,{l. . | ||
y ,,r. M ~. .S m :6 , .'l,{l. . | |||
c.3 | c.3 | ||
, 4 , - | , 4 , - | ||
g 4 | g 4 | ||
' v.E' ' ' ' | ' v.E' ' ' ' | ||
~ | ~ | ||
4 | 4 N e -l YhI ' | ||
N e -l YhI ' | |||
" p,) , g"q " 3 "jp.-' | " p,) , g"q " 3 "jp.-' | ||
~ | ~ | ||
- " " $5 | - " " $5 | ||
* M,"'y.r -r | * M,"'y.r -r | ||
< j j | < j j | ||
- ~ , | - ~ , | ||
Line 269: | Line 149: | ||
w q .; .s ..~- | w q .; .s ..~- | ||
4.M@ M[%~ o, . | 4.M@ M[%~ o, . | ||
[~ ['ns. 3. ,G | [~ ['ns. 3. ,G N,e f t % | ||
N,e f t % | |||
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m, - | m, - | ||
e . | e . | ||
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T | |||
v - - . | |||
^ ' 11 % | ^ ' 11 % | ||
- n M' ,, | - n M' ,, | ||
Line 285: | Line 160: | ||
~~ y 4m, % 4 i. MN , _ # . '. | ~~ y 4m, % 4 i. MN , _ # . '. | ||
y' % t ' ' %,. 1J | y' % t ' ' %,. 1J | ||
'5 ay | '5 ay g ,.,_s g | ||
g ,.,_s g | |||
_ ,v s , , -3 sd5 - - -y , | _ ,v s , , -3 sd5 - - -y , | ||
m | m | ||
Line 293: | Line 166: | ||
%. ' ac; L ' ih,t '.. ,.- S2V - ' | %. ' ac; L ' ih,t '.. ,.- S2V - ' | ||
^ ' | ^ ' | ||
%,l. | %,l. | ||
q+ | q+ | ||
.u. c &c a n- x&,B | .u. c &c a n- x&,B | ||
: w. . | : w. . | ||
s L ,,m_, Q: | s L ,,m_, Q: | ||
.? ' | .? ' | ||
&~. . | &~. . | ||
.n : | .n : | ||
~ | ~ | ||
.$ N.bs ff ' . + - | .$ N.bs ff ' . + - | ||
q';an - _- | q';an - _- | ||
Line 319: | Line 180: | ||
@nm. 3 | @nm. 3 | ||
%y g.3 7 ; :: | %y g.3 7 ; :: | ||
, , ~ , j::7v . 3:- ,.: . ~ i,n. | , , ~ , j::7v . 3:- ,.: . ~ i,n. | ||
g g_ _ g . | g g_ _ g . | ||
d@@@gC up ''D'%h6 . | d@@@gC up ''D'%h6 . | ||
MMW | MMW | ||
~ | ~ | ||
Line 333: | Line 189: | ||
^ | ^ | ||
Q | Q | ||
!M,P ~ Mbecause7the wa11[isi36 ihcheaf thickhthe! water : loss: from; evaporation:wou | !M,P ~ Mbecause7the wa11[isi36 ihcheaf thickhthe! water : loss: from; evaporation:wou k *Q b , M gainingi,p'eriodfu.nder? consideration ~.1 shaveLaffected(no:more?than twofinches_of.' concrete duringlthis strengthb r | ||
k *Q b , M gainingi,p'eriodfu.nder? consideration ~.1 shaveLaffected(no:more?than twofinches_of.' concrete duringlthis strengthb r | |||
,,;;;;_ + ~ | ,,;;;;_ + ~ | ||
m #. ,- m e, 'y' A. .,I: 1 N,'d.u ih ^ | m #. ,- m e, 'y' A. .,I: 1 N,'d.u ih ^ | ||
) | ) | ||
c). ... _ | c). ... _ | ||
3-w- - | 3-w- - | ||
e'" ^ m ..m j | e'" ^ m ..m j | ||
m w W (Means'Taken _toiPreventERecurrencee 4 | |||
m | m- s g , %_ .- | ||
.% s i _- . + | |||
w W (Means'Taken _toiPreventERecurrencee | |||
.% s | |||
i _- . + | |||
* .. , . . l i . , ~; A c _.e ' | * .. , . . l i . , ~; A c _.e ' | ||
y# | y# | ||
s._responsibleTfortincorrectidesignation of-x2 _ _ _ | s._responsibleTfortincorrectidesignation of-x2 _ _ _ | ||
%m. | %m. | ||
+ | + | ||
~- | ~- | ||
?The 1the mix ,ma,~teri.a''ls'engineerswho'M...been; onjtherpour? card has | ?The 1the mix ,ma,~teri.a''ls'engineerswho'M...been; onjtherpour? card has reinstructed as" toltholimportanc | ||
reinstructed as" toltholimportanc | |||
? ? M. M.following)proceduresiin?determina' tion:oC the:specified" concrete mix.: | ? ? M. M.following)proceduresiin?determina' tion:oC the:specified" concrete mix.: | ||
M M k , lItLwa'sWerbally;reemphasizeditMthe othuJtwo' plant;B'materialsiengineers J f,~ $ F ~ $ tolfollowjproceduresfinidetermination oflihe.Lspecified concrete mix:for-Q w - | M M k , lItLwa'sWerbally;reemphasizeditMthe othuJtwo' plant;B'materialsiengineers J f,~ $ F ~ $ tolfollowjproceduresfinidetermination oflihe.Lspecified concrete mix:for-Q w - | ||
fa[pqur6 - | |||
L | L | ||
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s . - - , | s . - - , | ||
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,w | ,w | ||
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Line 389: | Line 218: | ||
y_ T ', .* '#' | y_ T ', .* '#' | ||
. ~,- Ei'- | . ~,- Ei'- | ||
? -> 7' 4 | ? -> 7' 4 | ||
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4 | 4 | ||
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se y _ {^ j ~ | |||
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( _x, , . . , | ( _x, , . . , | ||
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^ 1 A.. | ^ 1 A.. | ||
i'$ l .Q ;. ' ' g,s | i'$ l .Q ;. ' ' g,s 4 - | ||
4 - | |||
7 s | 7 s | ||
[~r i s'./g i*\ | [~r i s'./g i*\ | ||
g | g | ||
'u y + - S 3 ' | 'u y + - S 3 ' | ||
y 4- 4 5 | y 4- 4 5 | ||
4 k " | 4 k " | ||
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t v c | t v c s . m dt. *~. ' | ||
s . m dt. *~. ' | |||
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d& | d& | ||
+v iK,qg ~; ' ' | +v iK,qg ~; ' ' | ||
.a 7 _ , | .a 7 _ , | ||
,e e <.,, W , - | ,e e <.,, W , - | ||
Line 447: | Line 253: | ||
, _ _ 31 , | , _ _ 31 , | ||
,s | ,s | ||
$5 *- Q l . ; %1 s ,.- | $5 *- Q l . ; %1 s ,.- | ||
^&L , | ^&L , | ||
Line 453: | Line 258: | ||
's. | 's. | ||
& f, '< py ' | & f, '< py ' | ||
p- | p- | ||
, @_ fi 4 , , | , @_ fi 4 , , | ||
--* .. T | --* .. T | ||
: 4. L | : 4. L | ||
,gg .;, _[ | ,gg .;, _[ | ||
u , | u , | ||
. ~ , | . ~ , | ||
, A._ - . | , A._ - . | ||
Line 472: | Line 272: | ||
/O / r - | /O / r - | ||
: r. ._ s n | : r. ._ s n | ||
e k , .e1h_} 5 __ _' s~ ;- ~p ('hll1-* 4' ',,Z d f Q m, | |||
e | |||
k , .e1h_} 5 __ _' s~ ;- ~p ('hll1-* 4' ',,Z d f Q m | |||
. ' , .YA ~ \ | . ' , .YA ~ \ | ||
~' | ~' | ||
Line 486: | Line 279: | ||
> e= .g . - 3. r : r}[.,A .y . * | > e= .g . - 3. r : r}[.,A .y . * | ||
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*-{* | *-{* | ||
3...:1: * ;- | 3...:1: * ;- | ||
7 | 7 | ||
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x '. e L | |||
y, '. .. . | |||
x '. e | |||
L | |||
,kQ:,',' 1, ;;; | ,kQ:,',' 1, ;;; | ||
m._ m | m._ m j | ||
j | |||
,-Q, p r..- | ,-Q, p r..- | ||
cp | cp 4 | ||
4 | |||
t . m-: ,* | t . m-: ,* | ||
L; l y-@z ; | L; l y-@z ; | ||
6 dy s d. | 6 dy s d. | ||
y._C.. > + | y._C.. > + | ||
,;' x e ' %.3g;-y. : --;. g,. c e_s , . ' 9; '> ,- | |||
,;' x | |||
e ' %.3g;-y. : --;. g,. c | |||
e_s , . ' 9; '> ,- | |||
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, + , > a ; | , + , > a ; | ||
'l.'.i' dh | 'l.'.i' dh | ||
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5 | 5 | ||
}*-J ' ; -l.-V1 . - ef ' t L.. s | }*-J ' ; -l.-V1 . - ef ' t L.. s Y | ||
Y | |||
-.y 1.a. | -.y 1.a. | ||
.yr,g., | .yr,g., | ||
y n..,LL#*-I | y n..,LL#*-I | ||
; "" s | ; "" s m;_: | ||
m;_: | |||
~.'N - | ~.'N - | ||
w ~.' { '. | w ~.' { '. | ||
-e. | -e. | ||
t | t y g , e f '.' | ||
y g , e f '.' | |||
* 5 | * 5 | ||
> }.3 l z . 4., - | > }.3 l z . 4., - | ||
Line 559: | Line 313: | ||
? W :. _ | ? W :. _ | ||
,ZW.5 5y . -. f.'~--l y i. ' .. i ^ | ,ZW.5 5y . -. f.'~--l y i. ' .. i ^ | ||
i y ,. ;e.''_Ma.r. , , , -- W 2 s 4 u-;7. . e, , - ' '.i; ~ ., ' | i y ,. ;e.''_Ma.r. , , , -- W 2 s 4 u-;7. . e, , - ' '.i; ~ ., ' | ||
m , | m , | ||
r - - | r - - | ||
#4 | #4 b- ",, ,k , ,_, h ._{"' | ||
b- ",, ,k , ,_, h ._{"' | |||
[ } | [ } | ||
, { ','" ? -- p'-R. +' - | , { ','" ? -- p'-R. +' - | ||
t y a m ('h.Q | t y a m ('h.Q | ||
: j. M'#> < ~ | : j. M'#> < ~ | ||
d | d | ||
$ ".5)D; 3@!Ay" | $ ".5)D; 3@!Ay" | ||
,'s ~ y lq O Q' | ,'s ~ y lq O Q' | ||
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i rQ ' | |||
U4h i MW . . | U4h i MW . . | ||
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s | |||
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J i | J i | ||
Line 595: | Line 332: | ||
~ .w ~ | ~ .w ~ | ||
u | u | ||
(,,9 %..an m( - | (,,9 %..an m( - | ||
* l " | * l " | ||
- _ . : h | - _ . : h | ||
'A, f ,.x,. | 'A, f ,.x,. | ||
n .e | n .e yn wn. ..: . | ||
yn wn. ..: . | |||
: e. | : e. | ||
.m,[ * - - | .m,[ * - - | ||
2.x n < , , , | 2.x n < , , , | ||
''Q i.! . *- 4 | ''Q i.! . *- 4 | ||
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^'uLy . > | ^'uLy . > | ||
nc C- + i | nc C- + i | ||
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\ " ? '' | \ " ? '' | ||
AW;%.1:, , < gp < v, | AW;%.1:, , < gp < v, | ||
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+ o gs'w3e , | + o gs'w3e , | ||
w | w | ||
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m)$R s - , _ | |||
w _ | w _ | ||
m ._ m - , | m ._ m - , | ||
Line 645: | Line 362: | ||
A g ,,.,/ ^IF' .+* | A g ,,.,/ ^IF' .+* | ||
ep.\ | ep.\ | ||
A " I .),N | A " I .),N | ||
*( | *( | ||
Line 653: | Line 368: | ||
.e | .e | ||
'('h4 '.A* | '('h4 '.A* | ||
='1 e | ='1 e s, | ||
s, | |||
+ k$} ,; ,_ .. _ | + k$} ,; ,_ .. _ | ||
g- ? h (_ ,,,u | g- ? h (_ ,,,u | ||
'Yf/*'*'''h,',_ , | 'Yf/*'*'''h,',_ , | ||
6 4 q ;_r >1.e , - - r.\i-Qlf';$'f w ,. p:v.5 Q ,, <e, r m> _ . ,; -. ,n w ,. e : a, | 6 4 q ;_r >1.e , - - r.\i-Qlf';$'f w ,. p:v.5 Q ,, <e, r m> _ . ,; -. ,n w ,. e : a, s.: | ||
s.: | |||
, , c a | , , c a | ||
y+ g 1 -u , z_- ' | y+ g 1 -u , z_- ' | ||
g ,,. , | g ,,. , | ||
) z _^ | ) z _^ | ||
~ | ~ | ||
3 y | 3 y | ||
'}' & f a | '}' & f a | ||
; ,4}} | ; ,4}} |
Latest revision as of 19:42, 21 February 2020
ML19312D168 | |
Person / Time | |
---|---|
Site: | Hartsville ![]() |
Issue date: | 03/14/1980 |
From: | TENNESSEE VALLEY AUTHORITY |
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Shared Package | |
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I a 94 , 2 [3 ;'USE'0FcINCORRECT s [10'CFRIPARTj50.55($)) REPORT CONCRETE ~NO.' 3 f(FINAL)1 MIX IN SHIELD BUILDING WALL
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laubject<NCR was/ potentia 11yfreportable'under 10 CFR)Part 50.55(e).; iThisfisithe final lreportion the subject NCR.;
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b N '~ _, ,.. i Description of-Deficiencvi -
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~N' < \ c LThe 'second 'concreto L pour, vnumber' BlR-2'B,' Jof": the unit;B-1J reactor shield.
M ,' : building"from (--): 21'7." i ot ?(-): 11'7";and from 0 to :360. degrees was _
, - _'placed with Tconcrete mix 300;75)BFW-p ^ (3000. psi concrete) rather than- ,L_ ,chefrequir'edl mix 1401.5,BF (4000_ psi concrete).
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- ; LThe" deficiency wasfdiscovered by the materials en;;ineer who made - . . !the mistakeJ(see cause?of:the deficiency). When'he was.looking back o.ver' F'
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, cwh_atihad .b'esn ?done,Lh'c foundf that he had specified the wrong: concrete - - , imix 'on;: thel pour- card for (that; pour. - ~
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':Cause ofJ the Defic'iency
[W/' (The. materials \ engine' e riresponsibledor pour: number BlR-2B 'faile'd to: Lfollow?procedureiand{ consult'the applicable' construction. drawing for w.f (determinationfof1the: required _' concrete ~mixtfor that_ pour. Asfa result, w che' filled iout 'the pour card for pour BlR- 2B? incorrectly' and the' concrete'~
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., . m ? Safety-Implications- ;,n- '
Afterfreviewing;the results of the'compressiveistrength_ tests on the 7 fg Q "
.;aamplesltaken[from7this. mix, TVA and GE/C. F. Braun: concur that the , ; concrete:in" pour number BlR-2B is acceptable for use. Therefore, s i i %thiscondition[doesinotipresentasafetyconcern.: , .a .. ....1 ...
g Q Test;Results and" Corrective-Action-
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2TVA.made compressive strength 1 tes_ts on:three.fsets of cylinder's(taken: W ' c' Jfromlthis~po.ur. 1Thefre'sults/arejshown below. M
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