ML20024G169

Forwards Requests for Addl Info Re Review of Mark I Containment Reevaluation Program

ML20024G169
Person / Time
Site:	Monticello
Issue date:	11/04/1975
From:	Ziemann D Office of Nuclear Reactor Regulation
To:	Mayer L NORTHERN STATES POWER CO.
References
NUDOCS 9102070635
Download: ML20024G169 (2)

Text

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NRC PDR recket 1:o. 50-203 fgPDR m #2 Reading KRGoller

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Northern Steten Power Ccerery AT!H Pr. I.. O. Meyer

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Director of Nuclear Support Higgs (2)

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OELD 414 Nicollet Mall OIEE (3)

Minneapolis, Minnesota 55401 DEisenhut TBAbernathy, DTIE ACRS (16)

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KMICft10 MCIrn ca.TrMIzn pr#t r 11ered on our review of the inforretion rutritttd to your r*cchet reoardinc the Perk I centairrent terveluction prcurar (ur to end includine tb Fark I Conteintret Statur report deted July 31,197f., rulritttd by the c

cerere) r3ectrle Corper:y), we have identifleo e?djtiero) irfcrnttion thet ir recuirc< to continte cur review.

end ccrperentr den cubjected to (1) pool tsc31 lo ryster t'recrure relief velver.e ) cts of coolent ocej6cnt, and (2) Icett fro be a*dresse( retiro the lono Terrr Prcerer prcycsed by the Ptrk I Oh Creve.

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revicw cf tbc Thert Tern Precrar. report.e enticirate that further in Pleare conteet rr. if you detire clariffertion of tre irferretien recuired Wir recuest for ccneric infor:vetict,. war erpreved by CIC etyler a b}erket g

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Einecrrhiginal Signed '78 Dennis L. gien. nn I

i Terrjr L. Tirrern, Chief Orerttire reccterr IrcocF d' i

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Fccuert for 1/ditieral I

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Northern States Power Company.

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Arthur Renquist, Esquire

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1 Vice President - Law The Environmental Conservation Northern States Power Company Library 414 Nicollet Mall Hinneapolis Public Library 300 Nicollet Mall Minneapolis, Minnesota 55401 3

Minneapolis, Minnesota S$40 Gerald Charnoff 4

Shaw, Pittman, Potts 6 M

Trowbridge 910 - 17th Street, N, h'.

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h'a shington, D. C.

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$$1 Howard J. Vogel, Esquire Legal Counsel 2750 Dean Parkway i

Minneapolis, Minnesota 55416 I

Steve Gadler 2120 Carter Avenue St. Paul, Minnesota 55108

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Mr. Danic] L. Ficker

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Assistant City At torney

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63S City llall St. Paul, Minnesota 55102 t

Mr. l'enneth Dzugan Environmental Planning l

Consultant St. Paul City Planning j

421 h'abasha Street St. Paul, Minnesota 55102 l

Sandra S. Gardebring i

l Special Assistant Attorney General Counsel for Minnesota Pollution i

Control Agency 1935 h'. County Poad B2 Roseville, Minnesota 55113 1

l Anthony Z. Roisman, Esquire Berlin, Roisman and 1:essler 1712 N Street, N.

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FFC(TST FOR ADDITIG:AL INFOFMATIQ?

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Provide a list of pipina and nochenical conponents which could te subjected t.o ruppressico poc1 hydrodynamic loadinas or loedinos from 4

operation of the prirery rystem prereure relief valves, includina di detailtd drawinos ard functional deceripticn of cuch piping ord y

cortponents.

W4 2.

Provide a c'ercription of rethods rnd proccdurec ured to define the pool dynorric Icede and relief valve ectuatico loads retire on the lirted pipino crd conponents.

3.

Provide a 6creriptien of retFcdc z.nd procc4uret, either'by c.nelyrir or by testinn, beirc ured to enrure denian adeourcy of the listed pipino rnd cc:rronents under pool dyncric loadr or relief valve actuation letFc.

4.

Provide a 6creription recardino hev the pool dynamic lordt or velve actuation locar bcito concurrently censidercd crd co.,bined with other operction or eccicent loads actino on the lictcd pipino en6 correncnte.

5.

Identify desien lir.its uccd for th listcd pipira ord corponents under tool dynmic cr rc11ef valve cetuation lotFc.

If analysir or tcstino her tren fore, a surnary of analycis or testino recults ard their compatisen with 6ecien lirits r.hould te provided.

If crelyric or testiro hes not yet been done, e deteription of the future prcoram to perform ruch tcrtino or enalysic rbould le provi6cd.

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