ML19095A285
| ML19095A285 | |
| Person / Time | |
|---|---|
| Site: | Surry  |
| Issue date: | 02/14/1978 |
| From: | Stallings C Virginia Electric & Power Co (VEPCO) |
| To: | Case E, Reid R Office of Nuclear Reactor Regulation |
| References | |
| Serial No. 019 | |
| Download: ML19095A285 (2) | |
Text
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e RESULJUOY!,~~Cl([T mr COPY V1:aGur:IA. ELEc-rlllo: _.urn;, PowEx GoMPAl'rr RIOBHOMD, VtRGna.A. 23 261 February 14, 197~
- .1r. Edscm G. Case Acting Dinctor of liucl.ear B.eactar 3.egul.ad.oi:t United: Stataa ~lucl ear B.agulatm:y ~
W'ashingtou, D *. C. 20555 Atten:ti om:
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Serial No. 019 PO&M/DU:daa, Dockac Hoa. 50-280 50-281 SDI& GPIR4%011L ~- - smmr- !Gia. STA:tl:Oll, 1JBI%'." 'IOS-.. l Aim' z Dua-1:0- atua. g.,,...,,ec, babe dl!grasa:ttoa-,.. ma Virginia ~- aa Pwer em,..
paay baa, daeardnet that the. np1 ac...i: of all. at:ua gw-:ators-f~ Suay Power Stad.oa Unis:.. Noa... t am. % wil1 be nl!Ces*ary... - At. cha-t:faa:-- dd,a; dec:1 rf oa wa ~.
the hiacmy* cf tue* fdl.ans-fer-boeh.: =its itidicaad that aa unacceptabla unit
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waul.d: peniac aeil. -.... gSMrat=s*. coal4 be replaced.. ~y-,,.
pnJ 1a1wtl'? U1"G:lgflMDta*-,... mada, to, raplaca au.a gemaratora: on: bath um.u u tha* earliNc pasailla d&U..
As npla1ne4: m oar awmdtu.L of: Au.goat 17,, 1977 en-titled "Staaa ~- P-rograa. Suny Power -Station,_ Unit No*. l. and 2", the-pn-11:minary schddula. il:lc:ludad the raplac n~ of Unit l ataaa gaeracora during tha p~ 9f May 1:~ Oct~.of-1978 and Uni!: 2. ateam generatora during-the per-
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However,, ~- and. ma~ nece**P1'7 for st:aa generator :replacaumt.
ara behind sdlaciu.la and there* may be couiderable delays in daliveriaa beycmd the originally* schadu.l..ad. d.atu.. U tha pre] 1:mnary sdledula-for Unit l staa genera-tor revJ ec amt. ia vintained am if. ~t er ma:tad&l daliYC"Y dal&ya do oc-cur, the out.age wuld e:tand- ~y.. lu view of this riak, a. IlAW stua gan-ua:tor raplacaen:t achecmla baa becale-neceaary.. Th* new schedule 1idOl1ld inc.lude the replaceaeuc of Uuit 2 stua gmccra darll1g the perl.ad October 1978 ta May 197j Gd. Uui.c l steaa geun.cor.a dU%"1:Dg the period Noveaber 1979 to Ap~il 1980 *.
In addition ~ :reducing the riak of O'tltage axuaaicn due to dela.ys in deli-vuiea, tha ucs-scheciuJ.a offers Sffffal other actn.Dt.agu. ~ncurrmc with tha davelopaaa: and 13plaaenud.cm of an illpri:rl'ed. suaa geae1'ac.cr inQection ad pra-
-,,v.eutati:v.a*- tuba plu.ail:2&,*P~~, the nail.ability of both um.ca baa :111lp~ c:on-
- ideraoly... *Th.a~ iJl,oall.ability baa provided additional scheduling fla:tbilit,r and alt.arad the -opdJMl c,auga achedw..ing. Nquea,:,a for our maclaar ad foaail IID:1.u.
the new-achednlo rap%aNSU m *:illal oa:age ~
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- nuclau* *uu+/-t ava:il.abil:ity.
- The new schedule will. pl.ace both steaa generator replaceillenc. outagu duringpu:iDda of reduced system demand and eli.-
miD&U. the need for back. to back. oucagea, a potential problea should the first outaa* uuml beyond ita scbedul.ed completion d.ai:a.
Thu.a,. the new schedule reducaa the risk of outage extensi.on. due to delays in. componeut ar matari.ala delivery tmfi. opdlai.:ea, the schedn1:1ng of scati011 out-agaa.
Stasa gemra:toY inspection. and plug1ng cri.t:ana. f.ar ccntinneci operatio11 v:Ll1 be ecaa.atent v.t.th. thl:J.. ~y bc.Dg* ut:1 J izad.
Due a> the-- rwmcell. ineidenca 0£ tuba failaa. amt. bapro,aa. tac~ m
.*... failuu4aellc~.~.cP~-,thaMJHt1onal ~-.1:h tha*G:tniflg
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