The ASME PRA Standard and the HCPRA Update

A major revision of the Hope Creek Generation Station (HCGS) Probabilistic Risk Assessment (PRA) has been performed to provide the following: (1) An update of the model consistent with the ASME PRA Standard Capability Category II [1] (2) Incorporation of changes based on the NEI PRA Peer Review (3) Inclusion of the impact of a 20% Extended Power Uprate (EPU) (4) Modification of the fire and seismic PRA and integration of them with the internal events analysis (5) Performance of plant specific MAAP 4 thermal hydraulic analyses to support the updated success criteria, accident sequence timing, and radionuclide release magnitude.