05000327/LER-1980-007-01, /01T-1:on 800315,in Mode 6 Following Initial Core Loading,Discovered Incorrect Valve Operator Weights Used in Seismic Analysis for Cooling Water Valves FCV-70-133,145 & 183.Caused by Manufacturer Labeling Error: Difference between revisions

From kanterella
Jump to navigation Jump to search
StriderTol Bot insert
 
StriderTol Bot change
 
Line 1: Line 1:
{{Adams
#REDIRECT [[05000327/LER-1980-007-01, /01T-0:on 800315,following Initial Core Loading, Found Incorrect (Nonconservative) Valve Operator Weights Used in Seismic Analysis for Component Cooling Water Valves FCV-70-133,134 & 183.Caused by Incorrect Vendor Data]]
| number = ML19323F823
| issue date = 05/21/1980
| title = /01T-1:on 800315,in Mode 6 Following Initial Core Loading,Discovered Incorrect Valve Operator Weights Used in Seismic Analysis for Cooling Water Valves FCV-70-133,145 & 183.Caused by Manufacturer Labeling Error
| author name = Terpstra G
| author affiliation = TENNESSEE VALLEY AUTHORITY
| addressee name =
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
| docket = 05000327
| license number =
| contact person =
| document report number = LER-80-007-01T, LER-80-7-1T, NUDOCS 8005290509
| package number = ML19323F818
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| page count = 2
}}
{{LER
| Title = /01T-1:on 800315,in Mode 6 Following Initial Core Loading,Discovered Incorrect Valve Operator Weights Used in Seismic Analysis for Cooling Water Valves FCV-70-133,145 & 183.Caused by Manufacturer Labeling Error
| Plant =
| Reporting criterion =
| Power level =
| Mode =
| Docket = 05000327
| LER year = 1980
| LER number = 7
| LER revision = 1
| Event date =
| Report date =
| ENS =
| abstract =
}}
 
=text=
{{#Wiki_filter:_
f r
w PJnc 7 OR At 366 U.S. 74UCLEAR ftEGtiLATCrY CO*.*VtS$tO*
s 11 773 LICENSEE EVENT REPORT EXH181T /
g coNTm t cicv.: [_W l l l.l@
(PLE!.$C Pr.sN r 04 TYPE ALL r.EQUlftED INF O;t'.' ATIONI i
lT l N [ Sl N ! P! 1!@ul Of 01 -l 0101010 i O ! -!0 i Oj@' 4 ! 111 I 11 lj.@ 1 l@
o i 2
.. w.,, m a a
uw..o......
, n
...r.u n u u
.:.- a ccsr
"'f.s Li@l015 ! 010 i O!31217 @! O ! 31115! 8 ! 0 '@l0 ' 51 21118 f Ol@
5 101il i
e i.
s. :
:.. o r. v.a.,
4 a v e. r u.
a
:+
nc a.: e
.)
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.
Prgvious occurrences - none.
;c l 71 !
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 win 18 LB J8 lij@ l V' A I t.! Vi E I x!@ L,EJG LG_J S io m i
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]
l--J l O!0171 L -J
!0i 11 i T!
l-J Lij
.J.'.?;',',
;4
;f
;~
31 J.*
_ Il JJ 23
~4 AC,r.:30'.s o:.F.s F C f
$.,.g r'
*g p p re i8 L
ty i O.*
* o. ms O a ;= A.c.
..s. t
, c.... 4
# :n.*. t. u s'.
,: :.'.. S.*. ". T,
:..... w, r r ec,
..s.7
. v e, LXISLXJS I Z!@
L3@
l 0 i Of CN :
[YJ@
ljNj@
LAJ@
l X!9 I 9 ! 9 c
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 8 ES23%
:::r.cri-ors:erio>@
s coe.t n c.r..c n e rA ru:
R LBj @ l.010'O j@!N/A l Il@l Notification fro a TVA Desinn
%'. r:..., es::ca c
A..o.,.,,,.m.,, @ l
.u.
-.e,.mem @,
..t u,.s. o.,...., x t l N/A ITTrTl
. L,Z_j @ L. zj@l N/A i
o e
o r,. re...
o., >...n PJU'f 4I 58 7%eI
.
* f' I $'.
l i i i l 101 010 ;@[Z j@r.(*
N/A I
et e. A.*.s 's a s ei.'.[.t ras."..t se nr:.cs.;P r e *f.
IOIO!0l@l N/A I
i P
4'
'J tl I?
#I t v.: os r.tr cA ?Ar.t t.o sr..su ; e t e. t t s.u
* t se, 4 I W [Z_j@l N/A I
n u
n,
e reu:nv e, rte ;.9 sp4t v
_ rr.e svernts:.
**. #,$l N/A l [tiriI'tI!II I
...h 7
r.
v r
n.>
a u Gary L. Terpstra 615-842-0295 ev.or o cr.t,. ci,,
,,,,,, e 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
}}
 
{{LER-Nav}}

Latest revision as of 03:51, 2 January 2025