ANS 2.27-2008 (R2016)(W2020)

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Criteria for Investigations of Nuclear Facility Sites for Seismic Hazard Assessments
standard by American Nuclear Society, 07/31/2008

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Category: ANS

Description

ANS 2.27-2008 (R2016) provides criteria and guidelines for conducting geological, seismological, and geotechnical investigations needed to provide information to support:

seismic source characterization input to a probabilistic seismic hazard analysis (PSHA);
evaluation of surface fault rupture hazard;
site response analysis; and
seismic-induced ground failure hazard.

These criteria are applicable for SDC-3, SDC-4, and SDC-5 SSCs.

This standard does not address the use of PSHA results or the selection of design basis events for nuclear facilities. These topics are covered in ANSI/ANS-2.26-2004 and ASCE/SEI 43-05, a – Seismic Design Criteria for Structures, Systems, and Components.

Keywords: nuclear power plant design, nuclear safety, seismic hazards, site evaluation, ALWR advanced light water reactors