United States Nuclear Regulatory Commission - Protecting People and the Environment

Recommendations for Resolution of Public Comments on USI A-40, “Seismic Design Criteria” (NUREG/CR-5347)

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Publication Information

Manuscript Completed: February 1989
Date Published: May 1989

Prepared by:
A.J. Philippacopoulos

Brookhaven National Laboratory
Upton, NY 11973

NRC Job Code A3981

Office of Nuclear Regulatory Research

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Abstract

In June 1988 the Nuclear Regulatory Commission (NRC) issued for public comment the proposed Revision 2 of the Standard Review Plan (SRP) Sections 2.5.2, 3.7.1, 3.7.2 and 3.7.3. Comments were received from six organizations. Brookhaven National laboratory (BNL) was requested by NRC to provide expert consultation in the seismic and soil-structure interaction areas for the review and resolution of these comments. For this purpose, a panel of consultants was established to assist BNL with the review and evaluation of the public cowments. This review was carried out during the period of October 1988 through January 1989. Many of the suggestions given in the public comments were found to be significant and a number of modifications to appropriate SRP sections are recommended. Other public comments were found to have no impact on the proposed Revision 2 of the SRP. Major changes are recommended to the SRP sections dealing with a) Power Spectral Density (PSD) and ground motion requirements and b) soil-structure interaction requirements. This report contains specific recommendations to NRC for resolution of the public comments made on the proposed Revision 2 of the SRP.

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