ANSI/ANS-58.23-2007: Fire PRA Methodology

This standard sets forth requirements for fire probabilistic risk assessments (Fire PRAs) used to support risk-informed decisions for commercial light water reactor nuclear power plants and prescribes general requirements for Fire PRA practice intended to suit a wide range of applications. This standard covers fires occurring within the plant. The American National Standard “External-Events PRA Methodology,” ANSI/ANS-58.21-2007, covers fires occurring outside the plant.