Search Results for keywords:"Common-Cause Failure"

The U.S. Nuclear Regulatory Commission (NRC) is making a correction to a previous notice about Branch Technical Position (BTP) 7-19, which focuses on guidelines for addressing common-cause failures due to latent design defects in digital safety systems. The correction involves the ADAMS Accession number, which is used to access the staff responses to public comments on the document. The revised document is now available with the correct Accession number. This correction became effective on February 22, 2021.

The U.S. Nuclear Regulatory Commission (NRC) has released a final revision of Branch Technical Position 7-19, which provides guidelines to evaluate potential failures due to hidden design defects in digital safety systems. This update, part of the standard review plan for nuclear power plant safety reports, aims to enhance the defense in depth and diversity of these systems. The revised guidelines are effective as of January 29, 2021, and can be accessed online through the NRC's document management systems. This revision does not impose new regulatory requirements on nuclear power plants.