Item B-52: Fuel Assembly Seismic and LOCA Responses
DESCRIPTION
The fuel assembly is a highly nonlinear structure which can be subjected to substantial loadings during seismic excitations and LOCA transients.
Item B-51: Assessment of Inelastic Analysis Techniques for Equipment and Components
DESCRIPTION
In the design of nuclear power plants, inelastic response of equipment and components due to severe transients from low probability events is permitted in the ASME Boiler and Pressure
Item B-50: Post-Operating Basis Earthquake Inspection
DESCRIPTION
Historical Background
Appendix A of CFR 10 Part 100 specifies that the operating basis earthquake (OBE) shall be defined by response spectra and
Item B-49: Inservice Inspection Criteria and Corrosion Prevention Criteria for Containments
DESCRIPTION
GDC-53, "Provisions for Containment Testing and Inspection," requires in part that the reactor containment be designed to permit: (1) periodic inspection
Item B-48: BWR Control Rod Drive Mechanical Failures
DESCRIPTION
Surface cracks have been discovered in control rod drive internal parts at some operating BWR plants.
Item B-47: Inservice Inspection of Supports-Classes 1, 2, 3, and MC Components
DESCRIPTION
According to NUREG-0471,[1]the safety concern in this issue relates to results from inspections of various structural compon
Item B-46: Cost of Alternatives in Environmental Design
DESCRIPTION
Frequently, regulatory changes are made in the applicant's proposal for design and/or operation of systems or subsystems based on perceived needs to mitigate impacts on the environment
Item B-45: Need for Power - Energy Conservation
DESCRIPTION
This NUREG-0471[1]task is included in Item B-2.
Item B-44: Forecasts of Generating Costs of Coal and Nuclear Plants
DESCRIPTION
In the performance of NEPA obligations to evaluate alternatives to the proposed action, the staff must reach a conclusion as to the comparative costs of generating power among the feas
Item B-43: Value of Aerial Photographs for Site Evaluation
DESCRIPTION
The technique of aerial photography has a long established and proven utility for earth resource inventory and evaluation. Applicants for nuclear construction permits are becoming awar