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)
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Text

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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) l Subcategory: Maintenance (30800)

Ele ert; Adequacy of Procedures (30801) i i

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

j fel10 ir; em:1 yee :: : erns: l i

' 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.

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! 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 QTC, withheld due *o .

c:nficentiality. No +

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further information may te released. Nuclear I 1

Fe.er de: art ert concern.

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 the j:b. e.g.. require 0 : Pints. Nu*Iear EC.er l

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

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!!, Sv**ary a' !ss.e A. {0*:ern MAS-ii-204 westi:ne 15e ade:ua y O' MI-10.43, Relve i:atten f V** *s. I* i s *a * *te a s *

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5. Con:ern .YAS-56-031 vestioned the ade:uacy of MI 6.20, Conf t;ura: ten Control 0 ing va intenan:e A:tivities. inis raintenance instru:ti:n 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 l :a:.a;e tan : e a:ete*s get frem tee foreman (ard plan ers) -

! 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 8 5. vi5-Ei-:01: N* Se:ti:n 5.4.2.2 ceft es t*e re:vice-erts f:e

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 ' :=

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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 the grease in the geared limit s itches of all limitercue operators L t: F0311e Grease 23 ahich was recer-ended by limiter;ue. This l re: wire: restart item is a1rost co plete at Sequoyah, [

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 1936. ?i V RO fia:ing #E*2 states "$ *e instructions were n0t Clea*.  !

-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:- .

ti:e ;eview sneet verifyi g that t*e testry:tions inclu:e are j 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

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

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