ML20206G565

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SER Supporting Employee Concern Element Rept OP 30801, Adequacy of Procedures
ML20206G565
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 11/04/1988
From:
NRC OFFICE OF SPECIAL PROJECTS
To:
Shared Package
ML20206G037 List: ... further results
References
NUDOCS 8811220316
Download: ML20206G565 (3)


Text

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!N NUCLEAR REGULATORY COMMISSION 3.,, ~3,!I wAsoctoN. o. c. aosss

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SAFETY EVALUATION REPODT BY THE OFFICE OF SFECIAL PROJECTS t

J EwPLOYEE CONCE:N ELE *ENT REPORT OP 30P01, ADE00ACY OF PROCEDURES" 1

TENNESSEE VALLEY AUTHORITY I

SE000 YAW NUCLEAD POWER PLANT UNITS 1 & 2 t

00CVET NOS. 50-327 AND 50-328 I

I 1.

Subject l

r Cate:ery:

Operations (30000)

Subcategory:

Maintenance (30800) l Ele ert; Adequacy of Procedures (30801) i i

6 I

Tre basis f:r Ele eat Re;;rt 30501, dated March 16, 1987, are the

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j fel10 ir; em:1 yee :: : erns:

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C:r:ern w,-55-004: A:e:va:y of Mi-10.43 Cen:ern WAS-56-001: Ade:va:y of MI-6.20 1

C:Pr.een Ta';-55 C;2: M91-9 coes n:t s;ectfy t: :.e f:r screws less than l

40.

1 i

Cen:ern TAs-55-004: Lucricatten Of geared lintt switches en MOVs not i

i pr:;erly inspected.

t i

C: :ere 50 -ii-0C9-004:

Mainte-aece instev:ti:as a*e vn: lear and de ret I

crevide a:e:vate instra:tien.

Cetails kne.n to l

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QTC, withheld due
  • o c:nficentiality.

No

+

i further information may te released.

Nuclear I

Fe.er de: art ert concern.

1 1

l C:n:ern SQP-S6-014-001:

Feceman :: ret always su:p:rt the craft in providing the'n with eve *ytning tney Peed to CO l

the j:b.

e.g..

require 0 : Pints.

Nu*Iear EC.er i

n*ern.

Cl Fas PC fur *"er inf:r*atien.

i a' !ss.e Sv**ary A.

{0*:ern MAS-ii-204 westi:ne 15e ade:ua y O' MI-10.43, Relve i:atten f

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I* i s *a * *te a s *

  • e i r str. ti 0n a *resse gereci*aII)
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  • t * : t ;'s. * * *. ' * ; ; e ' t a a: e, al *
  • s * !* s
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':lt' * :

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e e s- '

s.

.est *; :.se.

j mso316 es1104 7

'kDOCK 0500 I

P i

o 2

1 5.

Con:ern.YAS-56-031 vestioned the ade:uacy of MI 6.20, Conf t;ura: ten Control 0 ing v intenan:e A:tivities.

inis raintenance instru:ti:n a

addressed.he subje:t of configuration ::ntrol caring the ainte a :e tr:utleshooting pro:ess via a data package cover sheet an

.ff;u-rati:n :na ;e cata sneet.

C.

Oca:ern TAK-55-002 questioned the adecua:/ of M&Al-9 te:ause it ei cet s:e:ify t:rcue values for s:rews less than slo.

P!.AI-9, Ti;ntening, Ins:e:: ion, an: 00:u entation of Bolted Connections, is the ::;nt: ant ::sfi:aticns and a:ditions instruction.

3.

r:ern TAN-55-C04 cuestioned the ade:vacy of the irsce:tice/

1:stien of ge:re: li.it s it:nes on MOVs.

MI-10.46, t.imito ;ue V:::e C: erat:rt; ntrol Vs15e is the tegnizant mainteaance instr.*ti:n.

C.

0:n=ern 500-56-009-004 cuestioned the adecuacy/:larity of raintena*:e instru::1:.s in ;ereral.

Tnere are 213 maintenan:e innru::icns liste: in :e Se:w:>an maintenan:e instru:tions index.

5 0 v.- 1, Se: :>aa N.: lea

taa Yaintenar:e Feogram, provides tre stancard
a:tice f:r writte-aintenan:e instru::1:ns (MI) in paragraph 5.0.

C: :e n 50?-5f-0;;-031 Ouestiened the ::rpleteness of the work

a:.a;e tan : e a:ete*s get frem tee foreman (ard plan ers) l see:iti:ai'y :e re: wired :*ints.

50Y-2, Maintenan:e Ma age ent Sy s

  • e"'

0 3 r t r a i s t*e w:"A re:Wes*/=:rk pa:kage pr: ess at Se:a:yan.

.. 5 '..,. o..

a.

vis-i5-::::

v:-;0.15 mas eee e:la:e

. MI 4 5.2.1 f or ;elia :e v:t:rs, M:-15.4.1 f:r A1115-Chairers/5 e e e illis motors, and v:- 5.6.1 f or Westingacuse ret:rs.

This :ro:edure replacem nt nas snif e:

e latri:sti:n of rot:rs fr:9 a :iant generi: a: preach to a i

s:e:i'i; wea::r a::rea:h.

1 5.

vi5-Ei-:01:

N*

Se:ti:n 5.4.2.2 ceft es t*e re:vice-erts f:e 8

te :: a y alte-ati:ns ra:e to :lart e:vi: ent during tre :lesn::ti q.

N:: 55-017, ::r:u:t of C:eratices, Chapter 13, C: rte 1 of Te :o se>

v::3 #':::':n

r:,' des ;u':elices for

-:.cles ::tia;.

VI-i.00, iev. !C =ates C::::er 10, 1956, reets

n : e require ests :f tre NOAY and tre gui:elines of IN:0 55-017.

he NRC has :erfer e: a revie. Of tre N;AM a;ainst 10 CFR 50 A::e-:ix B am 1:eetifie: n:

cis~re:a :ies.

v ',1 : - 9 was :0 pletely re r': ten in Ce:e :er 'di5 re#'s::

  • e ea ele::*4:31 tor:uiag 1-0
ited
~e:ti:as

'e:.i'e e'*.s in t"e realy revised G-35 ste:i'i:stices.

Se:ti:n 3.5 ~

  • 3*35 sta*.es **at ::reas si:e s;0 ce $

3er, used iP *a 'e s:Ii;es 10 te**'*a*.'

  • 5 5'a

Oe t';*te*e 10

  • e ::'*t 3: a*'**

t~e ' :=

    • .'*;.a'.ai

!-e ;.+" *;* i:'ea5 ** ;"'.

r

-15 it: 4:

g m..=

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o l

3 0.

TAK-55-004: MI-10.46, steps 6.1.4 through 6.1.7 provices f:r tre l

lutrication of the geared limit switches and also penvides for C; hold / ins;ection ::ints.

t.imitorque corporatten as well as Se:a:yah l

Nuclear Plant has experienced grease hardening pr:blW95 in hi;n te :erature en.te:n ents with the lubri: ant (Beacon 325) origieally furniste: in ; eared limit saitches. TVA initiated a WMR t: ::nwer L

the grease in the geared limit s itches of all limitercue operators t: F0311e Grease 23 ahich was recer-ended by limiter;ue.

This l

re: wire: restart item is a1rost co plete at Sequoyah,

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t E.

$0:-56-CC9-004:

ine TVA hv;G perferred a revte of eatntenan:e at E*

s Cerry, Se:. yah, a: Watts Bar duricq the spring and su-er cf

?i RO fia:ing #E*2 states "$ *e instructions were n0t Clea*.

1936.

V

-ere a:t :Or:ise, anc cid not contain the infor.tatien ne:essary for esers ::. Oerstae: a-d perfor w:rk activities effe:tively"; it e-l

evice
fcur eaa-;les see:ific to Sequoyah. The Manager of Nw: lear r

F:.ee :rev':ed t,nis hvRG re: ort to his operattens staf f ard aske: f:r cerre:,ive a : t i e r.

lans ey Nose-ter 1956.

Tne Sequeyan Nuclear l

Terf

-a :e :ia (revise ) 4:kne. ledges the co-mitrent to enna :e M s (see ra;es : -3 at: -59).

Fai.tenance manage ent at Seau:yah nas

e.ei::e: a :r:;-a-f:e M1 enman:e ent, which completes the e-a :e e ; :r:g a*

in t o chases:

a higher risk cate; ry in 8 L

-:-tas a-: a 1:aer ri s( cate;:ry in 21 nontns (after startue). This s: e:.'e is tei ; tra:(e: en MATS (TVA's canagement actien tra: ting l

syste-).

I F.

5;D-56-J14-C01.

Se:w yah utili:es forter --aft personnel as ;1aree-s

(

: t a' :.

t e -: i

+: vested by tre A: vR :r::ess, including ; e l

3..e s: :f t e

-:-(

a:*a;e.

The olanre cly inclu:es tre re:vice:

  • a ie;5 e.:rk :a:kage wren he s ws the9 up to previce l

irstra:ti: s for ; at ea:ia;e

%:r al'y the planner will enly

  • wice t~e : a 4 ; ru-:er either in the -:rk pa:Lage er in the wors

'astra:ti:rs.

S e for ~an aa: res; nsible :raftman sign the Instra:-

j ti:e ;eview sneet verifyi g that t*e testry:tions inclu:e are a:e:. ate f:- :ee': -ir; tre

rk.

The i-:1asien of tne re:essary

i ts in tre *:ri :a:Aa;e is e:

at:resse: in 5 3-2.

TVA feels trat

e
!aerers a e ;revici g tne c:rrect, raterial fer the crafts en to
e ': - tne.4:.

5:ecifically, in tae :ase cf drawings, eit*er t*e

(

e e:
ca.ir; :- t e Ora.i ;r.-:er is s.:: lie:.

L IV.

C:aciusten r

Tae

',R-staff te' e.es st : e TVA 4*sestigaven :( the ser:ee s was i

a:e:. ate, a-: t ei es:'.t':-

f t e :: : eras as :es:*.te:

t-Ele e--

I j

e
: t :: :O :' 's a::e:ta: 1e f:r restart.

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