ML20234D195

Requests Opinions to Listed Questions Re Uncertainties That Remain to Be Resolved for Mark III Containment Sys Re Area of Specialization & Whether Planned Experimental Program for Mark III Adequate to Resolve Uncertainties

ML20234D195
Person / Time
Site:	05000000, Grand Gulf
Issue date:	04/16/1974
From:	Mckinley J Advisory Committee on Reactor Safeguards
To:	Curet H, Solbrig C, Theofanous T AFFILIATION NOT ASSIGNED
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References
FOIA-87-40 NUDOCS 8707070130
Download: ML20234D195 (2)

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April 16, 1974 H. D. Curet C. W, Solbrig T. G. Theofanous F. Zaloudek E. Zudans GRAND GULF NUC12AR STATION UNITS 1 AND 2 It has been suggested that it would be helpful to the ACF.S to have your opinions on the following questions:

1.

What une.ortainties remain to be resolved for the Grand Culf Mark III containment system with respect to your area of specialization?

2.

Is the planned experimental program for Mark III adequate to resolve the uncertainties if the proposed design is used?

3.

If not, what further work would you recommend be performed in order to eliminate significant uncertainties?

4.

In view of your responses to questions 1, 2 and 3, do you believe the Grand Gulf containment system has sufficient probability of meeting its performance requirements to warrant proceeding with its construction?

5.

If you do not think the proposed system will perform adequately as presently designed, what modifications do you believe to be

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needed to make it adequate without further experimental work?

6.

If the containment is constructed, what further work do you recommend be performed beyond that listed in 2 and 3 above?

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7.

If you believe that construction should not proceed until further experimental information is available, what do you believe would be a reasonable period of time for obtaining the neesssary information and what experimental or analytical information is needed before i

construction is permitted to begin?

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( April 16, 1974 In order to be most useful to the Committee you are requested to respond in writing, if possible, so that your replies are received by May 1, 1974 in time for a May 3-4, subcommittee meeting.

J. C. McKinley fenior Staff Assistant cc:

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