ML20141K076

Provides Addl Info Re Amend 2 to Licensee Application Covering Prototype Testing of CRD & Subchannels in Safety Sys

ML20141K076
Person / Time
Site:	Oyster Creek, Three Mile Island
Issue date:	08/06/1964
From:	Fraley R Advisory Committee on Reactor Safeguards
To:	Rogers D US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20091A092	List: IA-91-282, Forwards Written Statement Submitted by Sp Russo for ECCS Subcommittee Meeting on 770129,for Info.W/O Encl ML20141K026 ML20141K047 ML20141K056 ML20141K063 ML20141K066 ML20141K070 ML20141K076 ML20141K082 ML20141K091 ML20141K095 ML20141K121 ML20141K137 ML20141K141 ML20141K153 ML20141K163 ML20141K175 ML20141K185 ML20141K190 ML20141K359 ML20141K365 ML20141K368 ML20141K372 ML20141K375 ML20141K379 ML20141K382 ML20141K386 ML20141K390 ML20141K395 ML20141K398 ML20141K402 ML20141K406 ML20141K408 ML20141K415 ML20141K418 ML20141K423 ML20141K426 ML20141K432 ML20141K436 ML20141K441 ML20141K618 ML20141K620 ML20141K625 ML20141K626 ML20141K630 ML20141K633 ML20141K635 ML20141K637 ML20141K641 ML20141K643 ... further results
References
FOIA-91-282 NUDOCS 9203180349
Download: ML20141K076 (3)

Text

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• 4 3r. 3. A. Amears, embeaunittee theirman August 6, W  !

.G. i R. F. Frmley, Esseutive soarvtary ' ~;' If, i

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, The list at ML questions dated Anne %,1564 and Amenemmat t l- to the Jersey Cantral application have pewided m&iitimmal l

inforuntian an all of the items unustiamed at the Subcommittee i meeting and the IELL meeting am lastzwaantatian, emosyt for '

j the fallering spocific items

1. Pmtetype testing af sombrel rod drives (these drives

, are 1 maser and larwar than any being used la es planta) . ,

2. Are s=M===1a (soMiam=*e chammals) La the safety systems truly fasepsmaanti nr. Itplar, in the attmebod letter, initostes that this principle appears to be violated in the pr*1tutmary design.

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1stter from E. P. Epler to I. W. asumon dated lany 26,1964.

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h Cesetructies Pweit . Letter beemested j[ '

note. , i

1. Mr. spier has helpe the Committte an a sessaltaat en the

' lastamentation en this pre,)M:t. he plane u be pesamt for the apasian wiu the Readatory Staff ca 6yster Creet and any lp:ve aves essesmu.

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ehere and may Thehow ideather memeBureau esameet. has eene resent hetmees weet en the Asesey l ,

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j pubogeottte, Stuestiesw. the applicast w.s maked to be peopared te diemuse

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the fallowing potats tofore the full ACRf's 1.

Lev nesulattee some transtoet mosulattom. tg g of large mudars of people ts the museer vsEl row,re maring plaat site. The tomard the sa the ICA, mich available to emeente is met elsar stase it eepeens met been a(gua p.

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Deer a f power susaly. Au meditional 3rgr kishly toeepement of the two planned 230 XY lines seem,s,Jage., destrah14 to the% plaat pre-vi6s rossaanble assurmaoe of onetinuity of powr. ,

3 questioned were: Control uma safety qtes Desima t,'riterji . Phrtteular points

a. The effect of n IMI.1:2 a poetrol ambinet.

b. Physteal separation between sobahramels. (Mr. Spler uns ,

eencernedaboutthis.)

e. Testability of legio erstem (MtL point).

4. 1.-J.e g t:1= of anam) eeren. (WLpotat,postspegrwring out of tweest Saimamah River iacident.)

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e. Voltage aae stanal less asalterias. (NE. points).

4. Recirculation Systes Centrol. IRL augests that overpeuer Wips be  ;

reduced for low flow rates. (A power / flow eegna might be better.)

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6. Aceteent Asp.mettons. M,% q A"'

a.

If gage, awars failed te opente, t.he dry well would 5 ewsnually :mytars.

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If the een melted oespletely, it is estiented that Wrt 'rwM be a 235 metalmter remettee. If the

)dtrygte no produood were to react, the oostalammet we da tmyture.

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c. b applionat w.s to maneider further & obstees j for triticality of a tmilea core in W betten of the vessel.

_DRL 8tstf Aamlysis.

( the 134 analysis newtiame!la aedition to e mundper at W items litted show, l

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N 41setevne of carety waives to W dry well. this could be a decided knuumi to manos estaring the try well trith W sywtes pavemarined. i

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h seems hr a refuelier **eteest taking into a4eemet agr11tys-3 Go ut appear to nunre been rvported. ~

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% the alte which to alttiftomatly further from the eyes eeeantWhy l sh 3

l Lw about aWould 4.% ,Mt d,,rny out of a two Voeth 2 % rvytare the reactor wetelf j iguestaamst Iks SE some any wort recently tawsr4 asevering the6e i

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