05000369/LER-1981-012-03, /03T-0:on 801211,isolation Valve NV-250 Found Not Verified Closed Under Administrative Control Per Tech Spec. Caused by Lack of Signoff Step in Daily Surveillance Items. Procedure Change Incorporated

From kanterella
(Redirected from ML20008E880)
Jump to navigation Jump to search
/03T-0:on 801211,isolation Valve NV-250 Found Not Verified Closed Under Administrative Control Per Tech Spec. Caused by Lack of Signoff Step in Daily Surveillance Items. Procedure Change Incorporated
ML20008E880
Person / Time
Site: McGuire Duke Energy icon.png
Issue date: 02/25/1981
From: Ouellette R
DUKE POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20008E878 List:
References
LER-81-012-03T, LER-81-12-3T, NUDOCS 8103100439
Download: ML20008E880 (1)


LER-1981-012, /03T-0:on 801211,isolation Valve NV-250 Found Not Verified Closed Under Administrative Control Per Tech Spec. Caused by Lack of Signoff Step in Daily Surveillance Items. Procedure Change Incorporated
Event date:
Report date:
3691981012R03 - NRC Website

text

.

O O

,.c.c.

u. m..... _ = a =_. =.,

f7 77)

LICENSEE EVENT RE?CRT EXHISIT.a cesr=ct st:cx: !

I i

?

I 1 l

,t
43: emiu- :n twt att a scu a rs.*s:awanc.

i

!=iiltNICtMlGrS[1!@s0 101 10 10f Of 010 i I DI Off?{ % 11 i l 1 1 l I W"I i

lo r

a s

  1. ca sie ;::.

.ct sa w....

W :n i, _.n W we e...

.a CO's**

teini U',71@l0 f 510101013 I 6 I 4 Gl 0121 1 ! !! c I ! @[012 f 213 f 3 'I l@

i a

=c,;.., %...

w

.... r : ru s

...:. 7 2, :,

EvtN':tscairmcw Auc e.csaats ccasscutscas @

[2,: !fTsn'arion valve NV-250 was found not to have been verified closed under

,,,3;,adninistrative control as required per Technical Specificatien '. 9.1.3. There,

t3i.; twere other valves downstrean of :W-250 which were locked closed er normally io sifclosed which would have prevented a boren dilution of the RCS.

Thus, the i

I:.. i I incident did not affect safe niant coeration and the health and safety of the fsiri fpublic were not affected.

4Jed1 I I

.a

- m

~,

m,

=.

cc:

c c.

.u.c :.

.s c en==.

m. = :.

n.,.u.,

= =,

te Ic l@ 11. @ ic i@ I z ! r! 2rzt21Z!@ y @ ry g 1:,,i u

,a f.fC48.=r 2 a t *T.*, T mk

CO.;.. t =C1 a gN'13CM.

a.,.e en=r vu.

ec

=:

Oir u..". 18 I1 1 i_

Ioril2J I.A 1 013 i LT_J l_

L0__i ai-:

_a m

. =.,..

.. =.

=,...

m m

- 0,,

.m.,

.. 0-l 0 ! 0 ! O@f o I

=u..c....

s...

c c.

m:

m.:

.c I4. Gid @

IJ @

[J. _j@

il. l@

f'f@

lZ!@

l 2 I Z t Zl Z'@

m

~

cAuss : :cairmca suo ccaat: : vs Ac : css Q)

ii3; ! Daily Surveillance Itens did not contain a sign-off step to verif that ';'.'- 2 3 0, ti.
4Iwas closed.

A rrocedure change was incorporated into the Daily Surveillance

,,,7, [Itens to verify that NV-250 is verified locked closed under adninistrative t.sii control.

i,..,I e

?

s t P.Ciu -*

f*t*CS

.ag

=isc:v i.C,8 C

rea:-s w:v.e.

na r.rus eisc:ve., :sses. c= d

!:isillf@ [010f 0!@l Initial Fuel l L'(( Porcennel Observation I

i a,j,,, gg is is i.oautug m

esur e..e verv @ i tcea-c= ce.its.a. @

.nstAsi e..ets.s e o i. ; i s. ! @: g_-@ t NA i

u e

in Pt lga aegg g apggagJ w..

i i e > i 10 1010 ' 37sl Z f(A:(case..me=.

NA It

'-w I

f 4.

=u.. 4 s Nb.T M

11**9 its 30

ese..m:=

li tii [010iO!@(

NA I

4 013 C s 0. :.ne.

  • g 3..C;t,J fv O es
... c.

6 1 431!j @(

n I

?

'3

  1. 3CC#

O gy

.ssss=,,(::::. - e $

.rAO t$g "Aegy s.A

[ : i e i M.

t [tiIritiri i[

a r.

.a

.5 w a ses**graava -R.

b'. Cuelle t te

,,,c,. a ; ( 7 n 0 373 7'30 8103100tl9C