United States Nuclear Regulatory Commission - Protecting People and the Environment

Seismic Margin Review of the Maine Yankee Atomic Power Station (NUREG/CR-4826, UCID-20948, Vols. 1, 2 & 3)

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Publication Information

Manuscript Completed: March 1987
Date Published: March 1987

Prepared by:
P. G. Prassinos, R. C. Murray, G. E. Cummings

Lawrence Livermore National Laboratory
7000 East Avenue
Livermore, CA 94550

NRC FIN A0461

Prepared for:
Division of Engineering Safety
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington DC 20555

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Abstract

This Summary Report is the first of three volumes for the Seismic Margin Review of the Maine Yankee Atomic Power Station. Volume 2 is fhe Systems Analysis of the first trial seismic margin review. Volume 3 documents the results of the fragility screening for the review. The three volumes demonstrate how the seismic margin review guidance (NUREG/CR-4482) of the Nuclear Regulatory Commission (NRC) Seismic Design Margins Program can be applied.

The overall objectives of the trial review are to assess the seismic margins of a particular pressurized water reactor, and to test the adequacy of this review approach, quantification techniques, and guidelines for performing the review. Results from the trial review will be used to revise the seismic margin methodology and guidelines so that the NRC and industry can readily apply them to assess the inherent quantitative seismic capacity of nuclear power plants.

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