ML20141K379

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Submits Category B Repts Re Regulatory Ltrs & 24 Concerning Cracks in Control Rod Stub Tubes of Plant Reactor
ML20141K379
Person / Time
Site: Oyster Creek, Three Mile Island
Issue date: 12/01/1967
From: Gaske M
Advisory Committee on Reactor Safeguards
To: Mckee J, Palladino N
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20091A092 List: ... further results
References
FOIA-91-282 NUDOCS 9203190086
Download: ML20141K379 (4)
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Dr. J. E. McEse eoyster Creek embeto. Snatraen Deseder 1, MG7.

5. J. Falladino h,c' 7 ' '

sica  :,:;. ~ : '. t PQ5 M. C. Sanke, Assistaat te Esec. Secy., Acts ,.

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CLTEGORY D REPORTS - Or8TER crest - BaGULATORT STAFF 12TTER$ DATED DOFEMBER 4 AaB 14,1967

The attached letters from the Regulatory staff to the Jetat Sommittas
' em Atomic asergy preemated informaties to the Jetzt Comentttee someera-j fat the erecks is the oestret rod stub tubes of the oyster creek reester.

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It appears that the mattar of tbs tre<htet witt ",e dioceseed at the

, December ACR$ meettas -

l Attachmenta:

Regulatory Staff letters, dated 11/4/67 and 11/24/67.

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I PeelestI arotet Creek ggit No. 1 W.'

j [,f ltatus t Operating Lisease . Latter bequested fa '"

3eeksround t he Oyster creek subsamunittee met with representattwee of thm

applisant sa .hane 12, estober 30,6merem6er 17 and 27,1M1 la uselagten 3.C.

i and se July 24,1M7 in tems RAWr, Eer Jersey. De pre}est uns eeneidered at the Deveder 1M7 ACES unettas. A sammary of these diesessiera is atteeW.

l I n e instrsmeentation system q uma reviewed at a embeesmittee meeting om l ,

Novder 17,1M7. At the end ef the seetLas, the applissat uns atven the folleming list of itene thich were usar^"t'N sad thish tregwired additional Laformations

1. A seed for a flow signal to A t# M,vt gd a tha fles t.aram setp4 int.
1. Asceptability of the 1207, of full pouce stram sacrotat.
3. We possible f.ailures of the seres vahus and remedias for each failurse.
4. The 1st scram basis and requireemats.

The appiteent uns also Let'ermed regarding the fellowins items for dish the taformation appeared semplete but there may be a possibility of disesreement with the appliaanti

1. subchanaal reparattoa.
2. Interleeks en diesels.
3. Contacts to enforse preferred directice on valve sentre11ers.
4. Westing of oute relief systess.

.? 5. - Feilvres in the mesmaal serma.

At the notember 17,1M7 pubecualttse me6ttas, Dr. Detse euggeatad thet the t 3-applicant be prepared for a presentattoa to the full Ommaittas concerning:

1. A status report sa the stub tee areeks and the quelity centrol l estantion in general.

l 2. seergemey more see1 Lag systems tacledtag the information in Amendment No. 15. .

3. Eastriancatation, La terms of the ebore list of four-items requiring additismal informaties, whiek were meted at the sobsommaittee meettaa em November 17, IM7.

Dr. Moses sise suggested that the appliesnt be prepared to answer petimes en a4 ministration and emergency precedures. Be pelated set that, in view of the large number of maroselved queettens end of the material which is esposted WICE > ...... . . . . . . . . . . . . . . _. . . . . . . . . . . . . . . . . . . . . . . . . . . ., ., . . . ,

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Project status / Oyster Greek j ' ' ',4 .

tras the applicant eertly kafers the meeting, be felt that it was a ,;3 6 ,.

thet the cunnittee sould semplete ita review in Desember. f y,' ,

r. , . .V PE nestert Wo. It and_Wovenger 20. 1947 1.etter_to Ay,1Leest pri, has provided Report Bo. 3 dich itets 19 settens to be omepleted prior to iseuaoes of a provistanal operating 11eense and six items rogstrias the emb.

mission of proposed design shee:ges or et proposes program with a oeumatteeset to perform these within a certain time period. StL fonsarded a letter, dated

poteser 20, 1967 to Jaraey Osatrat atating usest ef these items. At the Evvember 27 subcocuntttee unenettma, representatives of the appiteant indisated esine arsas dere they did not agree with the DRL viewpoint. These insledad i the follows
1. The applicant did not agree that en tutertoek Aould be provided as the auto-relief systw to prevent blowsown la the event that AC power is lost.

l 2. Jersey Central does not agree that manual vertaties of the mostros flus level trip setpotut should be provided.

3. CE has indteated that they can think of no way to parform fwll-seale testig of the Oyster Craek stama line teolation valves mswier simulated occident conditions.

{ 4 GE did not believe it possible ar desirable to provide leak deteettes

espability in the dryvell with highar seesitivity that the proposed 3 aru value.

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5. Mr. noddis imdicated that he sould see no practiest any to provide protection for the hpant fuel storage pool against tornado misette demaso.
6. The appitesnt does mot believe additional pretenction agatast pipe 4 typing and missilts is woessaary, f ptL Review Status Dr. Morris has Lodicated that review of th.; follwin, areas will probably est be completed by the time of the December ACRS eweting:
1. Technical specificattoms
2. Review of quality esatrol ,'

S. A decisten regarding the adequacy of the operating  %

arsaatsettee ,

4. .tsview of addittomat equipment to provida protection against small breaks i

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poemary of Oyster Creek Discuselons at 91st ACILS Meeting g

he committea sentimened ita revtow ef the eyeter ereek plant. As a E

d et dioewstens contant pesar and Light with wy sti,that aM h applisant, it seuld home greathdiffissity coussistas la inferend appewies prolonged operettee of N Dyster Creek plant withmet medittenkt  !

) protection for the small priesty piping break reglas. he eemsittee nosear-  ;

etanda fram the ceteher 37,1H7 leater thet the app 114ast La prepareef te praride additions 1 htah proeeure ocelast tajostiem espeb111ty under Lees i of ofbsite power seeditions, ne committee tafsoned b app 11 asst shst it amate to see a pre 11 imary design for addittomat high pressere mees j sooltag before it sempletas its review, i

, De applicant was also requested to work with DRL to i 1

! (a) aseure that adegwite understanding estats of the estere of (

W control red pe.netration weld erecking 4

(b) reach agreement that the problem has been emptered adegmately

as to the matest of cracking I f i

(c) atsute that the proposed solution is adogmato l

(d) review guality control deviations se other assentist portions of the pisnt, such as reported are strikaa en primary system j pipes and couponents, quality of pipe, etc.

no Committee indicated that it wish6s to see N results of these towatise.

{ tious before it coupletes its review.

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