ML19210C209
| ML19210C209 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear, Crystal River, Midland, Crane  |
| Issue date: | 07/09/1975 |
| From: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | Goller K US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 7911130469 | |
| Download: ML19210C209 (4) | |
Text
.
(.n<I:!' h4(,%.~.s' :
. : -m 5 0 3/3, Ji 3.29 33s, -' ' Pa
/
rate:
JUL 9 1975 Scrial.20... :
li-C.0-75-14 TPEGIGR CP Lt!O ITS2W.312ILII'i To:
K. n. Goller, Assistaat Lirector for Operatin; ieactora, AL
Subject:
Possible f.cficiency in Nrforrance of the Taiosulfate
.icactor Juilding Spray Systen l'acilitics : Aricansac.'.uclear Onc-1, Crystal River 3, Jidlund 1 6 2, una Three Pile Island 1 & 2 hcponsible Ornnen Chief:
K. V. Scyfrit Leccription of Itaa: Eccuirina Nsolution:
Sabecch and Jilcox has reported rhat analysis of the hydraalic perfon.cace of the reactor balidin; spray eyste: usiny, a ac,ily devalel.ed coucuter co6e,
" Sync.at 2," has revealed that the sodiu a hydra:dda and the cociur. thiosulfate tana ec.,2ty before tua curated water storace tr.nl.
la a racult, therc 70uld te no hydro:dde or thiorulfate in the ranctor c,uildirm spray :.ysta until the purap suction'is avittned to tne resctor building put.p.
illouine five r.inutes for operator action, th:: apray cysten could oa uithout hydroxide or thiosal-fato for sa long as 21 ninutes.
This appears to represent a si::nificant deviacion frcu the perforrance specified in the J5ta (0.2.2.1) in th tt the t'to enarical'cdaitiva tnuka and tne borated water storace tan!. do oct drca cosen to ctact ur.aer calculated a
accident conditicns. This deviation in perfornraice could result in ci:.adr or both of the following advarse of recta folicwin; a I.CCA:
1.
Lo analysis of rndiation relesaus for an individual plant nny shew thet off-sire dosca cre ni@cr than those presented in the P3AR.
2.
The ph of the reactor bcildin;; spray solution ray, for a short peried, excaed the valua of 9.5 states in.>adcock and..ilco:: Topic::1 Report liAW-10017, Rev.1, " Stability and Ccv.atibility of Codieu Thiosullcte Spray Solutica - R&D Report (Troprietary)."
I" in also ecucerned taat tiacu the hydro::ide and the tnionifate tenha becoes capty that air could or.ter tac spray pu.:p suction, the lot; prescura injection pu.sp suction, and possibly cause pu :p darage oue to esvitatica, Df*]D
- )D f l
L e M e MU2
.=
1590
$$7 m
I 7911130hb3 5
s JUL 9 1975 Traacfer of Land acapencioility IE Eucon.nndations sind Propoaci Cour ;c of,'ction 1.
The l'ivision of l'= actor Licensin,, vill revic i On'.> cock e2id Jilco:Ps report on the perfortance of tac.indiun laiosul.fetc ceactor Bull.11w-S.crny ' ystem deceu my u,1.;7 ) cud caturt.ine if.:ny cpurating. restricticas J
and/or nodificctioa= to those f acilities wita operut.in,, licensu:, cra required.
2.
Tae division of v. actor Litcuaia; vill doteruine if cuandnents to the FSM cad /or tuodificctions to those Incilities uitia conatructica peruita are requi':od.
3.
Tne Office of Inapection and Enforcenent will provid.= cdditional infor-r.atien sc required.
4.
The Cffice of Ino; 2ctica cud Enforcer. cat..-111 varify acierence to any requirc: ents it ; oce :
>y the Elvisien of.7.ecetor Licensin.;.
'cierenca:
Letter fro.2 I*. E. Sulirke of Usbcock and Wilccx to D. I'.
- 1. nut;t dated 2
?!ay 6, 1975.
Concurrence.
Q:igMal si:aed by, D. IL Grice T,
- . Grier, inaiste.nt Jirecter for Construction 6 0;'eracions, If acte hr 2 Coller, moi:stcat jairactar for Operatini;.Ractorn, ii Esta ec:
D. I'.
tamth, IL II. D. Thornburg, 1E A. Cicc.busso, 11 J. P. O ' '.L illy. II. : I J. G.
'J nis, IE M. C.
foseley, IE:II F. D. Anoerson, 11 J. G. Keppler, IE:lII L. J. ~.1gla, RL E.
- i. ::o-vard, IE:IV J. Cathert, IJ, R. i.. n; clken, IE :V K. Liicl, 11 T.
- t. bell,IdPC B. Ucchburn, IJ.
G. v.
.bincuch, IC D E30 Y(Q" 15S0 338 X. V. beyfrit, IE g CCgC O'
f J.
.L.
snic ek, Iu.
C&O 146/H00761H1 IE:C&O TAB IE:C&O:TAE IE:ADCO'.
--RL:ADOR.Q7 r
o,,,e.,
,,y..
3 JA Dyer cd.
KV Seyfrit_
BJI Grier_.
_.KR Goller au.....,
/
6 / ',7_ /75
_6_/.', >2 7 / 7 5 6/eJ./75
_,2 / Z./75
.m,
Porus AEC.318 (Env. 9 5 5) AI(24 0240 Tr u. es sovsamusw? painvues orricus esta.ese-ees