ML20126C244

Requests Technical Assistance in Listed Matter

ML20126C244
Person / Time
Site:	Monticello
Issue date:	04/30/1976
From:	Lear G Office of Nuclear Reactor Regulation
To:	Eisenhut D Office of Nuclear Reactor Regulation
References
NUDOCS 9212220432
Download: ML20126C244 (2)

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April 30, 1976

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D. G. Eisenhut, Assistant Director for Operational Technology, DOR TECHNICALESSISTANCEREQUESTNO. ORB-3-144 Your assistance is requested in the f ollo' wing ,

PIANT N/dtCS: Oyster Creek !ucient Generating Station,i:itc Mile Point Unit 1, Pilgria 1 Dresden Units 2 and 3, :111ntenc Unit 1, Quad Citics Units I cud 2,lionticello, Pench Ectton Unitt 2 and 3, Bro', as Ter ry Unit n 1, 2 and 3, '.'ceront Ynnhee, itatch Unit s 1 and 2, brunnuich Unit s 1 and 2 Duane Arnold Enerr,y Center, Cooper, rit:patrich, 1:nrico Termi Unit 2, and Hape Creek Units 1 and 2.

DOCKET 1:05.1 50-219, 50-220, 50-2 37, 50-2 4 5, 50-N.9, 50-2 54, 50-259, 50-260, 9 -263, 50-265, 50-271, 50-277, 50-278, 50-293, 50-296, 50-298, 50-321, 50-324, 50-325, 50-331, 50-333, 50-361, 50-354, 50-355, and 50-366.

RESPO::SIBLE DPX;C11: Operating tenctors liranch #3, (ORB-3)

CONTACT: John C. Guibert (cy.t . 27872)

OPERATIONAL TECl";0 LOGY EP3;CH: Enc,incering Branch ,

TARGET CO:!PLET10:: DATE: ltay 11, 1976 DESCRIPTION OF REQUEST: Background

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11y 1ctter dated April 26, 1976 General E1cetric Comptny (GE) subnitted a su aary of the actions being taken by the Mark 1 Ouners Group to conplete the Short Tern Program analyses and associated documentation. That submittal included the following information:

1. A discussion of the quantifica conservatisms that are included in the dynamic loads which have been identified for the generic analysis and which were presented to the SRC

• staff in a January 28, 1976 cecting with the Owners Group;

2. A deceription of the program for the plant unique analysis of the torus support system and external piping 9212220432 76043d ** *

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1 att. ached to the torus of each operating IMR plant with the liark I containment; and

3. Plant unique uplift load nensitivity

' data for each operating L'.2 that doen not'have on anchored torus. ,

4 Request for Ansistonce We request that you review the infornation l precented in the April 26, 1976 (,1: submittal and provide a written evaluation of1 2

1. The acceptability of t he !! ark 1 01:w r Group pronran for performinn the plaat unique analyu:s of the torus suppc.rt synten and external pipinn attached t o the torun. This evaluation nhould include corrento on the acceptability of the otructural acceptance criteria to be uned in thoce analyses.

Schedule The requested tarr,ct connletion date is based upon providing tiecly cornents to the Mark 1 Owncra Group. It should.bc noted that the 4

Nners Group has requested a nectine, uith the NRC staff on May 13, 1976 in order to discues the information presented in the April 26,

-1976 CE submittal.

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r GeorgeLea9, Chief Operating Reactors Branch (!3 Division of Operating Reactors cc V. Stello K. R. Coller R. Tedesco G. Lainas L. Shao J. Guibert ,

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