ML19319E118

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Requests Review of Reactor Vessel Support Sys Design Bases to Determine Adequacy of Accounting for Transient Loads. Response Required within 30 Days
ML19319E118
Person / Time
Site: Rancho Seco
Issue date: 10/16/1975
From: Reid R
Office of Nuclear Reactor Regulation
To: Davis E
SACRAMENTO MUNICIPAL UTILITY DISTRICT
References
NUDOCS 8003310625
Download: ML19319E118 (2)


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vtich Ptr Eccr reired rccrrriiro tbr (crico cf rcccter rrcretre verwl

-tr;crt ryr-tcrs fer crecruri:.cf eter reactert (n T't).

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Cn Fey 7, Ic7f the TTC wcr inferre6 Fv a licerrec thtt certeir trrrriert ler(r en the reccter vertel reprert rcercrr that vetd result frer a pc tulated rcecter ecclert piro rer.ture irredirtelv cd iccept te the reacter.ersel bc6 heen undercrtiratc6 in their cricircl ccsien crelyscr.

It in tre TTC creff'c ccinier tbat the creatien relcter te tbc trcotrert cf trcrrient IceFr in the derien cf reecter terrel suppert cvsterr cv errly to ctrer RP fecilitier,, ccccciv11v trcre fer ',tich tre ferirr c clyrcr t crc nerferrer sc e tire ecc. ic Fave therefore initiated c cyrt'crct.c rcviev cf this cetter to fetctrire Pcw there loric -ere taker. irtc eccet nt cr etter M facilitier, art that, if cry, ccrrective rccrurce ray :e receirce' fer erecific freilitics.

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"Fe recults cf licenree stedier rccerted to date ircicate that, citFcecP 1

the rcrcins cf refety ray te Ices tbrn cricirt.11y irter/c?, etc reccter verrel reprcrt r" ster vculd retain rufficient rtrucrerr! intect'.ty te cerrcrt A

tPc verrel crd that tre ultirate cenrecuercer cf thic pertuletN tecifert

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which eculf affect the cercral public cre rc scrre trcr cricirr.lly rtitcd.

Le bese ret cercleted cur irderencer.t eveluatico cf there stufies.

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'l resed en the retultr of cur cynicotien cf thic rhcncrercr te este err ir j

teccanitien cf tre Icw probability cf tbc rarticulcr cire rerturc 'rbich cculd leaf te rd(itienr1 trcreiert 1ccc~r cr. tSc cerpcrt ryrterr, ve cereltic a!

that centirrec? rereter crcrrtier erv.' certiretf I!cerrirc cf f cilitier fer i

crcretien ere tcccrt:He vtIIc te cerfect cer cercric revia..

Se recuest thet yce revicv the recien trrer fer the rer ktk$d M:N ryster fer veer freility te /eter-irc trcther tre trrrricrt Icc/r fescribed ir tPe crclcrurc i:ere trktr irte rcccert acerc rittel" ir tPs.

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(crien. FJerre ir.fcr-tr. cf tPc rcrtitF cf ycer re'ric'. vitbin 30 etyr.

Tre attzchrerte to the crcicrure are crevifci to irr?icerc trc irfct'rtice i

that ct.u!C tc r.re<'re, rPrulf

',c (eterrirr, er the terir cf ycer rovicv, t?:.c a recrcccc crt cf t?c screc1 w:pcrt ic ( v ir rervicci.

Er ere certirrirc te erlectc cre! revice t".c rett c(c1ccy fer cc]culatira the ruheccled Plcsic(T: ]ceft vith tre rec 1cer steer syrter rucclicrr.

yee s?cnl/ ccrtect veer rtc!ct r ::tur s'>cter rurrlier fer irferrctice re-cr(ire tretc cricrletierr if rccercary to cerr.letc ycer review.

7 hic recuc9t fer ceretic irferettier der ret rcred by r7C teCer a bit.r.Per cicercree rurber F-lE0225- (. f 072). Shic clecrccce expirer July 21, 1977.

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