ML19319A682
| ML19319A682 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 08/18/1976 |
| From: | Schwencer A Office of Nuclear Reactor Regulation |
| To: | Parker W DUKE POWER CO. |
| Shared Package | |
| ML19319A683 | List: |
| References | |
| NUDOCS 7911210639 | |
| Download: ML19319A682 (2) | |
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v go AUG 18 $16 Docket :'cs. 50,1Q, 50-479 sni:K-2a7 cQ'r*0st? CTra317 UTc:
dr. '.tilli m O. Parker, Jr.
'fi c a President Stew Proenction rest Office 19x E17.i 4?? %::th C.nren Street CMrlotte, :crth Car 0!in t 2 fl4d fr.t o tt er.en:
?C: OCONEE Ti!TS W5. 1, 2 4 3 T%e sten generator t:nir.g in :res: tri:?a < ster reactors Fl?:) is sart cf the reacter cociant pressar? Sconciry. T% s, in keerf t with 10 CFR Part W, Appendix i. Len?ril icsign Criteri6a 31. "Fr.ic+::re
/revention of teactor Coolut Preswre 3oundary", tne sten scr.:riter tucia s,cule re:aia free 35 crsets, perforattans cnc,eneral deterteration to sinidte t.:+ li4115 ace of failure. r?r sere time, t'e. JC tisif aM its consultants Sve c n exanht" t.9 ficry.r, uu t a
cor.triate to t'e degrtdation cf ster: tencratar boine.
'a;2d ca t:w r-3';11% of laanr.tterr testicej To dat:: are. t%$ caer3 tin? 3x r;eri?SCO that F.a : DM ct.taivo ay the haastry, i t i s ic-accat tod t, ti t"n r:N t.c Mec"Sair's are cm0lat 351 wariM, the en7tMindtion of t':0 stean necer.itar secchterv coolant i s the funcesental causa cf tube de'raf atica and the ict'.tt ricat of t.De 19:0g ri ty.
It is aise QMeent tfA t cara6.ii cantrol of t:ie -wcom.try wttr cheMstry serves to ianiu t the u:tanH C eur% f cccmulatie-of corrmtve imriti as in tre s em camerator W If41ts t:be de-etlation.
Car:cq ntl y, i t i, the staf f's posi tion t'.i t s-*cnneery aater c % 1stry uenitorinc ra%{rr-ents Snoul.s be ::ade art of tSe Technic si Wc i
- f c e-tiens hr all M's.
In this cen.Etica, we recoyst re t.ut ei t hrent utili ties use ef fferent secomary water tront? cot rethods ta it-it r reover, a rece, aire that i i f c e r #e ' e.
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In acq{tien, ac 40 act ocli2ve it enis tiee that su*tici(-t servfce vrerf.'ete af sts to c33clWe tNO ar.y r:rticular 4.ethod it superior ta JactScr pr.r ff v
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W u. s. oovsanusm? patentine oFricas te74.one tee Form A2C 313 (Rev. 9 33) A2CM 0240 hkk
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. 0 076 prefrac 4 ale previce information re;aroinn t.5e ma nituco or ivority tuil we and woulo.edo it oossible te detect the cresence of a Octentially corrosive enviromtent and would provice a basis for takic; 4ppeceritte correctivo action.
Acenedinqly, re roccost t*st ycu neencsa cha cas to your Tec nical 5" ?ci ficatiO95, 91 t9in 30 c3ys..th *! will incorperne secomiary ttAtte cheG13try lici tim; com'.itien3 for cprati.73 *nd wrveillance recuireweits in xcorGanc? irit'? tot ecclcied :-0 91 Toc 5 tical OMc i fication.
You sneulci axar.ias your carre nt cr:ctices rec 3rdinc secondary wa t?r chenistry contr;l in 11$t of your operatir.c experience and your particular clant nr.a sit c'uricteristics acc prvete spropriate 11atts for the carreters listed in Taalo
- 2. 0. of taa.' od.=1 Tect nical Sr. *(i fica tion.
Nr guet tral penig i
include th-ocsis for vch of tr:e croocsed I! 41ts.
'If yee hsve any quescicas, plaasa cmit3ct et.
Sincarely.
Original signed by A. Schw ec er, Ch i>* f
'1ceratir:; Nactor: 3ruch 11
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