ML20235B223

Summarizes 760126 Telcon W/T Keenan Re Error in Calculation of Torus Uplift That Could Occur During Postulated Loca. Uplift of 5 Inches Possible.Mgt Assessing Requirement for Reactor Shutdown

ML20235B223
Person / Time
Site:	05000000, Vermont Yankee
Issue date:	01/27/1976
From:	Paulson W Office of Nuclear Reactor Regulation
To:	Lear G Office of Nuclear Reactor Regulation
Shared Package
ML20234C970	List: ML20234D338 ML20234D662 ML20234D974 ML20234E761 ML20234E781 ML20234F006 ML20234F087 ML20234F123 ML20234F214 ML20234F274 ML20234F317 ML20234F382 ML20234F470 ML20234F540 ML20235A005 ML20235A069 ML20235A172 ML20235A330 ML20235A363 ML20235A588 ML20235A685 ML20235A746 ML20235B067 ML20235B138 ML20235B217 ML20235B223 ML20235C407 ML20235C611 ML20235F079 ML20235F271 ML20235G448 ML20235G895 ML20235H616 ML20235J984 ML20235K843 ML20235K972
References
FOIA-87-40 NUDOCS 8707080685
Download: ML20235B223 (1)

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George Lear, Chief, Operating Reactors Branch #3, DOR SIDNARY OP JANUARY 26, 1976 TELECON WITH MARK I CONTAINMENT OWNERS-

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k By telecon on January 26, 1976, T. Keenan, Vermont Yankee. Nuclear Power j

t; Corporation, Chairman of the Mark I containment owners group, reported 1

kJ that an error had been discovered in the calculation of the Vermont I

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Yankee torus uplift that could occur during a postulated LOCA..Keenan d

stated that he was informed on Sunday night, January 25, 1976, that it is now estimated that the potential Vermont Yankee torus. uplift lj.

could be about five; inches during a postulated LOCA. Keenan indicated that Pilgrim has the next largest calculated uplift (0.49 inches).

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h Keenan stated that his management is 'ssessing the requirement for a

b(j' shutting down the Vermont Yankee reactor. Keenan further stated that they will call the Director, Office of Nuclear Reactor Regulation, h(H

• to discuss their course of action.

I kl-I Walter A. Paulson Operating Reactors Branch #3 O,

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