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Table #: Technical Issue: Affected Supporting Requirements: General Position: Supporting Requirement: Position: Discussion: Clear filters Table # Technical Issue Affected Supporting Requirements General Position Supporting Requirement Position Discussion Table 1 - Challenges to Meeting Capability Category I of the PRA Standard for an ALWR DC Application and COL Application Site-Specific...

Welcome to the public database website for information related to NRC staff positions on Probabilistic Risk Assessment (PRA) Standards.  The purpose of this site is to provide a user-friendly format for accessing publicly available NRC staff positions related to PRA standards developed by the American Society of Mechanical Engineers and...

This database is not a regulatory tool and is to be used for knowledge management only. Inclusion of PRA method in this database does not indicate that the method has been determined to be acceptable nor does the exclusion of PRA method indicate that the method is considered unacceptable for...

Acronym/Abbreviation Definition AC Alternating Current ADS Automatic Depressurization System AEF Annual Exceedance Frequency ALWR Advanced Light Water Reactor ANS American Nuclear Society AOPs Abnormal Operating Procedures AOT Allowed Outage Time APC Atmospheric Pressure Change ASCE American Society Of Civil Engineers ASEP Accident Sequence Evaluation Program ASME American Society Of Mechanical...

Section: Technical Element: Index No.: Issue: Position: Resolution: Clear filters Section Technical Element Index No. Issue Position Resolution Global No Technical Element References Use of references: the various references, may be acceptable, in general; however, the staff has not reviewed the references, and there may be aspects that are not...

Part/Section: Technical Element: Section: Index No.: Issue: Position: Resolution: Clear filters Part/Section Technical Element Section Index No. Issue Position Resolution Part 1 - General Requirements No Technical Element Global References Use of references: the various references, may be acceptable, in general; however, the staff has not reviewed the references, and...

Part/Section: Technical Element: Section: Index No: Issue: Position: Resolution: Clear filters Part/Section Technical Element Section Index No Issue Position Resolution Part 5 - Seismic No Technical Element Section 5-1 5-1.1 to 5-1.2 -------------------- No objection -------------------- Part 5 - Seismic No Technical Element Section 5-1 5-1.3 The last paragraph of...

Section: Technical Element: Index No.: Issue: Position: Resolution: Document: Clear filters Section Technical Element Index No. Issue Position Resolution Document Global No Technical Element References Use of references: the various references, may be acceptable, in general; however, the staff has not reviewed the references, and there may be aspects that...

Part/Section: Technical Element: Section: HLR/SR: Issue: Position: Resolution: Clear filters Part/Section Technical Element Section HLR/SR Issue Position Resolution No Part/Section No Technical Element Document-wide General The phrase “advanced non‑LWR” is used throughout the standard but is not defined. Clarification The standard may be applied to any non-light water reactor (NLWR),...