ML20058K791
| ML20058K791 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 01/16/1975 |
| From: | Larson C NORTHERN STATES POWER CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| NUDOCS 9102140398 | |
| Download: ML20058K791 (2) | |
Text
_ _ _ _ _ _ _
l i
d.'
1-- em.?_ r. _
.,,...7.,,
-. 3 mrn;y it:ticello Mb:nesota 553S2 Janusry 16, 1975 Mr. J. G. R.ppler, Rogic.nni Director Directorate of keguls.tely Cperations Recien. III United States Ata uic Fac:p Cccaission
,o o. T,.'.., m,.
- 1. ~,.~
t.
Glen Ellyn, Iljinois 61073 Dcar Mr. Fq<aler:
.-..-...e u-.p ms. w n m. a ue
... ~.r r. e,
...).-
.s-..-
.. ss
.~
Docket No. 50-253 Liccise No. DN.-12 Writte:t co rres.pendence uith Mr. J, G. R.ppler, Directo:r.te cf Resd otc~y Cp eratic
.s, ca i nrch
.C.
1974, md li Mr. J. F. 0". r-f, Dirretorate 01 1.1Censin"., on..e_3 7 40,,,74, ccc.reen s u 5ct35;.cnc c;ncoct1TC, rc]-rct-
.u
..w s-
.fu..n T. +. -. c
- c.. s., q, 1, 3...,- J r... %.~.m 9:
w
- .. w,,.
T r.r).*+
.m. r... cu... n
, n, 9.:
.t ran t.,
sv
.~
. ~
u...
agroad that pcnctration nr.:i isclatila valec lert.ge vn:cs if.nch. : Ord
_,. u a. f...7..A..,.. _ _ ~ >.,
....t,.._..-
..,,.,._.,....,...m_..i.s.
c._... m. n..a a.,.
ta.
t
.....1
-.1.m
... u t
Specifichticas be recartcd uhain 24 henr.c by telt,hmne end telegrgh
.m... - ~.. o #. th e D.~,'. o u. 1 ~P ~,+ + n. ;' C z ~. s.
- 4. c~...,
C_ _ C
_ica. ".._tn
. o em.n car:en ecpy to tu.a Di:ect.or of Liccasing.
It uas aire a.rnca ta.r t. ;
sepa r.re e.ritten report be stS--itted tc the Dir~;ter of Licenti:r; within 10 rinys follo,:m3 repair c: :01 levi:inq vnives.
It is car mtentren to report the velvc Ic.u.n;e prealens cca. nurmg ta: Juntzay 3
1975 c:: nge in a s.inilar runner.
i l
In acccrd:nce 1:ith there reporting requircrattd. notification is M.nrchy r:ade that th:- total allcutble testchic penetrr.tica r.nd isolatica valve.
l 1enkage. rnte specified by Techlical Spccificntien 4.7.A.2.f. (Z)(c) tc.s ent: cad thca tl.:: totsl Icchar.e thicP"h Cuth?ard ihin Str.<n Lire lh?.in.
Isolatica Valvc, I'd 2374. was fourcl to be 179 SCHi (refer to letter frco C li L ista to J G rappler, dated Jr.ntury 13, 1975 - it in notci that the 1;ctter errcaecasly rcportcd J.D 2374 1st h.r 4 179 EC"i).
& Janunty 15. 1975, Icen.1 1ce.k tcsts indient.ed that the fc31c ino v;.Iva were Icakin" in excess cf t.ne neceptra:cc critori t f.or loc u. 3 cu. i. cst s specified in cc tion 4.7.A.2.f of t% Technic-1 Specif5catic-nn:
PJfR A Testcb3e Ch::.h Vah? i.010-4tA (70 Fo!'D Core Spray A Testohle Ch:ck Valve /O 14-13A (24 7 SC00 Core Spiny B Tcstabic Check. Valve /D 14-1.D (f.d 9 SCH!J 9102140398 750116 CF ADOCK 05000263 CF
.lin Wr.
t i1 J/n. /r s-n,,
,s
/
I
-g.
i Ch-Jamery 16, 1975, a local Icak test indiccted. th the liti;h Presscre Coolac Injectica Systcra c-xhaust li:= ch.:ch valve, IFCI-F; vcs le: king in. cxcess cf tlu Technical Specification. accept:mee criteria-for local leak tests.
The an:::unt. of lockage. thintah. the valvo coald n::t; be detemined..
Ccrrce::iva scricas to be t.02ica en thr:'c valv.:s t:ill ha d:temid 3cs.
In.
folicing an. investigation o.f tE.. causc of'tb e.wess 1cch:
limi cr tc.,cpaca: no:: :catica, tn:is c:curnnce as ry:rted to I.fr.
%h.1hnce of your ofica s/ns is prer.cntly ca. site.
Yours vc:y truly, M
c I
E. Lnrs.OFM(/'1 i
C.
wa i
Plant I'r.na w e
CJLSn E G F-cc, Directorate of Licensing.
j cc:
G Cnrr. ff MI::: rata Follutic: Centrol Ag.~t:y At:n:. E A P y ina ru..e Ce les sent.bs' teleco ier to F.c.nn. lor cn?. Casa I
E b
I I
6 L
6 a
8 f
1 p
d
--==--.e-m==
l 4
i b
f
..