ML19323F823: Difference between revisions
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{{#Wiki_filter:_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ | {{#Wiki_filter:_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ | ||
f r w - | |||
f r | |||
PJnc 7 OR At 366 U.S. 74UCLEAR ftEGtiLATCrY s CO*.*VtS$tO* | PJnc 7 OR At 366 U.S. 74UCLEAR ftEGtiLATCrY s CO*.*VtS$tO* | ||
11 773 g LICENSEE EVENT REPORT EXH181T / | 11 773 g LICENSEE EVENT REPORT EXH181T / | ||
(PLE!.$C Pr.sN r 04 TYPE ALL r.EQUlftED INF O;t'.' ATIONI coNTm t cicv.: [_W l l l .l@ i | (PLE!.$C Pr.sN r 04 TYPE ALL r.EQUlftED INF O;t'.' ATIONI coNTm t cicv.: [_W l l l .l@ i | ||
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o i | o i lT 2 | ||
lT 2 | |||
l N.. [w Sl .,, N m a! P! a1!@ul Of 01 -l uw. 0101010.o. . . . . . i O ! -!0 i Oj@' | l N.. [w Sl .,, N m a! P! a1!@ul Of 01 -l uw. 0101010.o. . . . . . i O ! -!0 i Oj@' | ||
. , n 4 ...r.u | . , n 4 ...r.u | ||
Line 43: | Line 33: | ||
[o g i , There was no danger to the health and safety of the public. | [o g i , There was no danger to the health and safety of the public. | ||
;c l 71 ! Prgvious occurrences - none. | ;c l 71 ! Prgvious occurrences - none. | ||
la rsi i r eco c ST 0 T I */ CAU- E C A' J CC"* vv.vf | la rsi i r eco c ST 0 T I */ CAU- E C A' J CC"* vv.vf 0 0''. 4 Co;g 5 i.t.;;:sf 0 0 "J .- 6*. 00?E C A * : .i S.,400:22 io m i win 18 LB J8 lij@ l V' A I t.! Vi E I x!@ L,EJG LG_J S 7 8 9 It) in I; 12 tt 1 iJ | ||
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O" ."u .. o 18 I 0] | O" ."u .. o 18 I 0] | ||
Line 52: | Line 40: | ||
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L -J | L -J | ||
!0i 11 | !0i 11 | ||
;4 ;f i;~ T! l-J 31 Lij J .* | ;4 ;f i;~ T! l-J 31 Lij J .* | ||
Line 60: | Line 46: | ||
O .* | O .* | ||
* p p re i8 L r' *g ..s. . t .. .:$ | * p p re i8 L r' *g ..s. . t .. .:$ | ||
AC,r.:30'.s r r ec , o:.F.s . .sF.7C f | AC,r.:30'.s r r ec , o:.F.s . .sF.7C f | ||
$ ..,.gv e, | $ ..,.gv e, | ||
: o. ms O a ;= :.. A.c. . . . w, , c ... ...4 # $.. | : o. ms O a ;= :.. A.c. . . . w, , c ... ...4 # $.. | ||
:n.*. t. u s'. . S.*. | :n.*. t. u s'. . S.*. | ||
. .T, c LXISLXJS I Z!@ L3@ l 0 i Of CN : [YJ@ ljNj@ LAJ@ l X!9 I 9 ! 9 | . .T, c LXISLXJS I Z!@ L3@ l 0 i Of CN : [YJ@ ljNj@ LAJ@ l X!9 I 9 ! 9 | ||
>> a 2. u 2, n .- ., n u 4 CAUSE O!ScRIPTICU A.'.O CoRetEc DVC ACf TOW @ | >> a 2. u 2, n .- ., n u 4 CAUSE O!ScRIPTICU A.'.O CoRetEc DVC ACf TOW @ | ||
Line 75: | Line 57: | ||
'#ft"i s coe.t n c.r..c n e rA ru: 8 ES23% :::r.cri-ors:erio>@ | '#ft"i s coe.t n c.r..c n e rA ru: 8 ES23% :::r.cri-ors:erio>@ | ||
R LBj @ l.010'O j@!N/A l Il@l Notification fro a TVA Desinn | R LBj @ l.010'O j@!N/A l Il@l Notification fro a TVA Desinn | ||
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ITTrTl. L,Z_j , ,, .m. , , @ l le N/A | ITTrTl. L,Z_j , ,, .m. , , @ l le N/A | ||
: @ L. zj@l N/A ,, o o i | : @ L. zj@l N/A ,, o o i | ||
r ,. re... | r ,. re... | ||
o . , > . ..n - | o . , > . ..n - | ||
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* f' I $'. | * f' I $'. | ||
l i i i l 101 010 ;@[Z j@r.(* N/A I | l i i i l 101 010 ;@[Z j@r.(* N/A I et e. A .*.s 's a s ei.'.[.t ras.". .t se nr:.cs.;P r e *f. | ||
et e. A .*.s 's a s ei.'.[.t ras.". .t se nr:.cs.;P r e *f. | |||
i IOIO!0l@l N/A I P 4' 'J tl I? #I t v.: os r.tr cA ?Ar.t t.o sr..su ; e t e. t t s .u | i IOIO!0l@l N/A I P 4' 'J tl I? #I t v.: os r.tr cA ?Ar.t t.o sr..su ; e t e. t t s .u | ||
* t se, 4 | * t se, 4 I W n[Z_j@l N/A I n u , ., e reu:nv e, rte ;.9 sp4t v | ||
I W n[Z_j@l N/A I n u , ., e reu:nv e, rte ;.9 sp4t v | |||
_ rr .e svernts:. | _ rr .e svernts:. | ||
7 r. **. | 7 r. **. | ||
. . .h# ,$l N/A l [tiriI'tI!II vI r n .> ,,, a u | . . .h# ,$l N/A l [tiriI'tI!II vI r n .> ,,, a u ev.or o cr.t ,. . ci,, Gary L. Terpstra ,, ,,,, e 615-842-0295 80 05290fbf | ||
ev.or o cr.t ,. . ci,, Gary L. Terpstra ,, ,,,, e 615-842-0295 80 05290fbf | |||
T$nnacEmoValleyAuthority - | T$nnacEmoValleyAuthority - | ||
Siqunyth Nucitar Plant LER SUPPLDfE!;TM. INFORMATION SQRO-50-327/8007 Technical Specification Involved 6.9.1.12.h Reported Under Technical Specification 6.9.1.12.h Date of Occurrenec: 3/15/E0 Time of Occurrence: 0900 EST Unit 1 Identification and Description of Occurrence: | Siqunyth Nucitar Plant LER SUPPLDfE!;TM. INFORMATION SQRO-50-327/8007 Technical Specification Involved 6.9.1.12.h Reported Under Technical Specification 6.9.1.12.h Date of Occurrenec: 3/15/E0 Time of Occurrence: 0900 EST Unit 1 Identification and Description of Occurrence: | ||
Notification was received from TVA Divisien of Engineering Design that the incorrect (non-censervative) valve operator weight was used in the seismic analysis for component cooling water valves FC'.'-70-133, 134, and 183. | Notification was received from TVA Divisien of Engineering Design that the incorrect (non-censervative) valve operator weight was used in the seismic analysis for component cooling water valves FC'.'-70-133, 134, and 183. | ||
Line 117: | Line 79: | ||
Unit 1 in Mode 6 following initial core leading. | Unit 1 in Mode 6 following initial core leading. | ||
Action specified in the Technical Specification Surveillance Requirements met due to inoperable eculpment. Describe. | Action specified in the Technical Specification Surveillance Requirements met due to inoperable eculpment. Describe. | ||
N/A | N/A Apparent Cauce of Occurrence: | ||
Apparent Cauce of Occurrence: | |||
Incorrect valve operator weight used in seismic analysis. | Incorrect valve operator weight used in seismic analysis. | ||
Analysis of Occurrence: | Analysis of Occurrence: | ||
Line 127: | Line 87: | ||
Failure Data: | Failure Data: | ||
N/A | N/A | ||
_ -}} | _ -}} |
Latest revision as of 02:49, 1 February 2020
ML19323F823 | |
Person / Time | |
---|---|
Site: | Sequoyah ![]() |
Issue date: | 05/21/1980 |
From: | Terpstra G TENNESSEE VALLEY AUTHORITY |
To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
Shared Package | |
ML19323F818 | List: |
References | |
LER-80-007-01T, LER-80-7-1T, NUDOCS 8005290509 | |
Download: ML19323F823 (2) | |
Text
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
f r w -
PJnc 7 OR At 366 U.S. 74UCLEAR ftEGtiLATCrY s CO*.*VtS$tO*
11 773 g LICENSEE EVENT REPORT EXH181T /
(PLE!.$C Pr.sN r 04 TYPE ALL r.EQUlftED INF O;t'.' ATIONI coNTm t cicv.: [_W l l l .l@ i
.: 1.- al@
o i lT 2
l N.. [w Sl .,, N m a! P! a1!@ul Of 01 -l uw. 0101010.o. . . . . . i O ! -!0 i Oj@'
. , n 4 ...r.u
! 111 In 11 u ulj.@
ccsr 101il :"'f.s Li@l015 ! 010 i O!31217 @! O ! 31115!
5 8 ! 0 '@l0 i e i. s. : :. . o r .. v .a ., 4 .. a v e. r u . a :+ ' 51 nc a .: e 21118 f Ol@ .)
Ever.T ot:cniaTiers . so ences.itr cossccutscts @
fi iTI Lyith unit 1 in d! ode 6 fol_1owing initial core loadir.n. notification was n;--r3 i received from TVA Division of Engineering Design that the incorrect (non-In ta i i conservative) valve operator weights were used in the seismic ar.alysis for i n , ,, , [ component cooling water valves FCV-70-133, 145, and 183 (T.S. 6.9.1.12.h).
[o g i , There was no danger to the health and safety of the public.
- c l 71 ! Prgvious occurrences - none.
la rsi i r eco c ST 0 T I */ CAU- E C A' J CC"* vv.vf 0 0. 4 Co;g 5 i.t.;;:sf 0 0 "J .- 6*. 00?E C A * : .i S.,400:22 io m i win 18 LB J8 lij@ l V' A I t.! Vi E I x!@ L,EJG LG_J S 7 8 9 It) in I; 12 tt 1 iJ
. f rN 8*. rI AL CO* . s e h r.C". rrs-w 80.'!173 tvtar taa ,>t. o r.a c:a e,>i ,
O" ."u .. o 18 I 0]
.J.'.?;',',
_ Il JJ l--J 23 l O!0171
~4 .,
L -J
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ty
,:i :.'.
O .*
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- n.*. t. u s'. . S.*.
. .T, c LXISLXJS I Z!@ L3@ l 0 i Of CN : [YJ@ ljNj@ LAJ@ l X!9 I 9 ! 9
>> a 2. u 2, n .- ., n u 4 CAUSE O!ScRIPTICU A.'.O CoRetEc DVC ACf TOW @
li i s i l The Walworth Company (valve manu.) shows different valve operator weights
'g Lor differeat drawings for identical valves. TVA Divisio t of Engineering i,i,il Design used 116 lbs. for 1 & 2-FCV-133,134, and 183 in their piping i, ,,ii seismic analysis. The correct weights should be 135 lbs. The seismic g , analysis will be rerun using the' correct valve operator weights.
, ,s ., .
'#ft"i s coe.t n c.r..c n e rA ru: 8 ES23% :::r.cri-ors:erio>@
R LBj @ l.010'O j@!N/A l Il@l Notification fro a TVA Desinn
%'. r: .. . , es::ca " " " '-
- c
..t u ,.s . o . ., ... . , x t A. .o.,.. .u. -.e,.mem @,
ITTrTl. L,Z_j , ,, .m. , , @ l le N/A
- @ L. zj@l N/A ,, o o i
r ,. re...
o . , > . ..n -
PJU'f 4I 58 7%eI .
- f' I $'.
l i i i l 101 010 ;@[Z j@r.(* N/A I et e. A .*.s 's a s ei.'.[.t ras.". .t se nr:.cs.;P r e *f.
i IOIO!0l@l N/A I P 4' 'J tl I? #I t v.: os r.tr cA ?Ar.t t.o sr..su ; e t e. t t s .u
- t se, 4 I W n[Z_j@l N/A I n u , ., e reu:nv e, rte ;.9 sp4t v
_ rr .e svernts:.
7 r. **.
. . .h# ,$l N/A l [tiriI'tI!II vI r n .> ,,, a u ev.or o cr.t ,. . ci,, Gary L. Terpstra ,, ,,,, e 615-842-0295 80 05290fbf
T$nnacEmoValleyAuthority -
Siqunyth Nucitar Plant LER SUPPLDfE!;TM. INFORMATION SQRO-50-327/8007 Technical Specification Involved 6.9.1.12.h Reported Under Technical Specification 6.9.1.12.h Date of Occurrenec: 3/15/E0 Time of Occurrence: 0900 EST Unit 1 Identification and Description of Occurrence:
Notification was received from TVA Divisien of Engineering Design that the incorrect (non-censervative) valve operator weight was used in the seismic analysis for component cooling water valves FC'.'-70-133, 134, and 183.
Conditions Prior to Occurrence:
Unit 1 in Mode 6 following initial core leading.
Action specified in the Technical Specification Surveillance Requirements met due to inoperable eculpment. Describe.
N/A Apparent Cauce of Occurrence:
Incorrect valve operator weight used in seismic analysis.
Analysis of Occurrence:
There was no hazard to the public health or safety.
Corrective Action:
The ueismic analysis will be rerun using the correct valve operator weights.
Failure Data:
N/A
_ -