ML20206G319
| ML20206G319 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 11/04/1988 |
| From: | NRC OFFICE OF SPECIAL PROJECTS |
| To: | |
| Shared Package | |
| ML20206G037 | List:
|
| References | |
| NUDOCS 8811220236 | |
| Download: ML20206G319 (4) | |
Text
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UNITED STATES
!3. Y%
NUCLEAR REGULATORY COMMISSION 3
(. ;,8 1
w Asw.GTON. D. C. 2056$
- h.&f.l s
EviU'Ai!ON REPORT Fv THe Orr1CE OF SPECIAL reo0ECTS 5:rTT$
FvfLOYE! CChCECN ELE
- EFT REFORT Or 31306.
- 00E!TICP.AELE C0'iCt!TF REPAIR (C. ROUT)"
TENFTSEEE VALLCY AtiTWODITY 5triisA-NUCLEAR. r0grF cLANT UNITS 1 & 2 r006ET NOS. 50 327 AND 50 3?B Sutte:t C6?e::r.:
C:4 7tira!
'300C^)
Subcate: rv:
Miscellaneous (31300)
Ele er,ti 'QuestierA*1a Cencrete Repair (rrnuti
(?!306)
Tre taste 'er Ele-<r' Deport 3120f cevisicr. 2, datee Jeruerv IT le87 are e plc3ee concarns !?, ec
- 1 000 II) and th-86-221-003 (2) which state:
i Elevation (7f StraiC t out of the elevator, drwn i
F (1) Turbir.e fuildir:.at: to the rirJ'.
Ci stated that the cr.rcrete/preut e se t of $ te:S ir stall sleeses in tbf >!'1 per.etrat ces, was irgroperly i
usec tr prepared and the forms were f.ot installed Correctly, (ri Turbire Puildirg. Elevation 67f. straight out o' the elevator, do.n a set of s'ers ard to the left - a hele in the #1oor approminstely 2 ft deep ty 3 ft wiec by 3-1/2 to 4 ft lone wes filled with grout l
in lieu C f Concrete.
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TV? 1rsestication The followir; rathodele;y was used by TVA to deterrice if these Vatts Fer l
hacleer flent concerns were cercric to 5:auoyah Nucifer Plant (SNP):
Eevie.ed files 'er additienal inferretion.
a.
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Gewie.e SCN FSA: ere TVA Topical Pepert fer commitnefits.
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!rtervientc CA, civil ereireerino and a supervisor of recFanical l
4r of c.
P0difiCBtiers te reterFine what procedures existed for the rer7 frterviewed to structu al certrete and the place-ent of back'ill.
'a'ar der t*i ente't C rep!ir fee t3Clfill work. Since ercratiers I
-,,en' ;crtrcit (cr :?":'Nte ar; cr:st rI3:F*e**.
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Ir'r et iene: 0, 3 ' i ' ', CS**rrI ;ers: Pre' fC" inforPation re;3rdrp c?rtr:I of P:0ih r!itens C f Civil inst!'Istion%.
s811220036 891104 POR ALOC K 0"iOOO 3 p 7
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Revie e: a::11:a:!e :a ts of 1:-inistra;4e !est-"::i:- (A:). 1: 1)
E a ? *, IV. Rev.17. "Dia t v0:ific' d:n A# e* '. ice
- sing."
Re u e.e: v::t'i:nt:-s an: a: itices ins: a:: ten (via!). Via:-l',
I te.
5a: Rev. 6. "5 :utia; of Sw:: r Easeplates er Sleeves," #:-
- : Hat:e wita. ::ns v: tier spe:ift:ations.
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rtervie e tre s.::ert cra's general fere an to dete mine if a>
e:41 s ere perf:
e: by Of fice of Nvelear Pe.er (CN:) a : : a' 1
fs-t!'arity.itm ::ete:1li ; G-s:ecificast:ns.
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- *f:- e: a vi s.41 irs:e::ien of a ::rti:n of tre cen: rete re'aie:
ite s :eef:r-e: :> O'.: f:r : :114e:e witn spectit:ati:ns.
- e.ie.e: :1vil ::ets:as f
- rk :lans 11952. 11910, 10521 a : 1;;M d:- :: :1'a-:e.,:* 5-s:e:41'estiens.
l v : a i:a! v::ift:atiers unit su:erviser :: :e:e -ine 6
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s:e:4't:: 1:a G-34.M :n is t*e cent oiling cer: ete e:4tr 5:e:i'i-
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l 5:e:,:ar :a5.as :ete mi e: to te :assed my an unfa-111arity ef tre
- -c.i si: s :f tre OA :::1:41 e::ct :n
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ali: s a waiver of.ettir; criteria.
Teese cra ;es a.e :ee
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.i:: at:ry 1 :i:ste a::e: a:i'ity e' ateriai Over a.':e ra ;e
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h f:?':.ia; w: :- *Va's e.alvatice Of !!
eat Re :*t 313.C6, t e W.;
irs:e:t:r *ewte e: t*e TSAR, T:sical Rec:rt TVA-TR75-1A RS, a :litatie s:e:*:sti:ns,.:rk clari fc-c:ncrete and grows repairs aa eaa tat:
f ete a : ;-:st re:.4ri -a:e in t e Anotary are Tur: ire swo:1.;$
l cia:e t*e 1e:w:yan plant tegan c:erating.
The inspe:ter also cil:.sse:
i'.'A's es siwati:n Of t*e ele eet re: Ort witn res;;nsibic TVA carscreet.
[
i rev9e.e: erarges race to tne Medift:sticas and Additions Instrwetions am:
exam as: 0:rre:tive A:tien Re::rt CAR 56-04 022, Owalift:4 tion Testing :f 5-5 tar 3 0.t at vari:ws water / great ratics, r
e.ie. cf t*e FS AR a*: Tc:1:41 Re: Ort TVA TR75-1A RS. 5:e:if t:ati:es, a:rk
'aas at: *::ift:aticas 4*: A::ittens lestrw:tiens c;nfir e: trat
[
j tast".: tiers f:e ge:wt 4*: ::ecrete repairs race since the plant te;na, j
- era',ia; 010 a:t teet 50 e of the re:wiremente 5;e:tfie: in t*e 3
i
- astr.:ti a 5:e:ift:stices.
Review of :hanges made to the M::ifdcati:es I
s':
- 'ti:*s !
- s t
- w :',1 : ' s 5t =e: that teese re: wire ents are e:w da:'.:e: tatse 1*ste. t*:Ps.
Revie. of the res:cmse to CAR 56-04-022, C. alt:sti:e Testir; cf 5 Star Greut at vartows aster ge:utirattes
$*:.e: tast tests.e'e :e*#:r*e: en tae gecut at i.; t,o 14 Quarts of watdr 4
- e* ;;; ::w :s Of ge:wt.
'*is was d:ae 't:ause there was no evideace tatt a
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t*e a :.at :# attee a :e: t: t*e ;*:.t had ever 1: ten Peasured. R e s v1 ', $
- f te tes; $*:-e:
- a' ever
.*en
!? c.a'ts of.ater mere a::e:
j
( a.*a:terers res.tre ents were 7 ec 11 qua-ts :er 100 ; cutes of growt) j t*st :es';P re:w1*e eats =tre et.
F:w* tee-
. arts were tPe Pasirw9 would n:t have teen
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a :.*: se'te:te: : e : a,, s e it 45 felt that ret:t i:AI te :' a:e t*e ;*:.t
.it* a
- y *, r e
- 3. fawr*, ten cuarts to c'e
- :*e: ::.*:s :* gr:.t.
Ein-i',at*:a cf :: : ete A': gross re;str$ in I
l t*e '..*:t re a*a a.t fi f a y :sil:t e;5 ta:e sin:e tne ple'.t Oegan c;oratir; f
i*:.e:.: eu :e :e of any :r:ste i.its :.r: rete er ; :ss re:atri.
f i
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,: :'esi:a inse: :e tre a:: e re.te.s
- s:wssi: s itn
'4 A e.alvas: s, a*: vis.al eia-* sti:e :f c e: rete a : gro.s re: airs, tre ',4; ins e:ter a;rces t*,n
~
, 's e alwati:e trat ::a: eras i:t tifie: at ; e aatts Ear ;ia t in t e i
e'e e t renet.e e
- t ;e -are t: $s:.:,a*.
- e **s:e:::
a's: a;*ees
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.ith tre Cc re:tive A:r:n Tra:tia; C::w ents (: C ).itn tre en:eetten trat ( AID 313:6-53-0.5 :t: n:t ceter-ine what.as t*e significam:e of f 4* 1sre to re.;*ee 4 ::.et c: es roles as re:. tee: ey 5:e:ificati:n j
G-34.
Ce s::' $ '!' e e *;' Ne's ' * ' s te: 1*is =.I: te eval'. ate: a': t*e l
re s. t s O r:. * :e :: t*e 'iE! i's'e:t;'.
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