Energia i regulacje · 26/03/2010

Office of New Reactors; Proposed Standard Review Plan, Branch Technical Position 7-19 on Guidance for Evaluation of Diversity and Defense-in-Depth in Digital Computer-Based Instrumentation and Control Systems

The NRC staff is soliciting public comment on its Proposed NUREG-0800, "Standard Review Plan for the Review of Safety Analysis Reports for Nuclear Power Plants," Branch Technical Position (BTP) 7- 19, on Guidance for Evaluation of Diversity and Defense-in-Depth in Digital Computer-Based Instrumentation and Control Systems (Agencywide Documents Access and Management System (ADAMS) Accession No. ML093490771). This BTP is to be cited as the acceptance criteria for Diversity and Defense-in-Depth (D3) in Digital Computer-Based Instrumentation and Control Systems in the Standard Review Plan (SRP), Chapter 7, for those standard reactor designs that have not been certified prior to the date of this BTP. The NRC staff issues SRPs and BTPs to facilitate timely implementation of current staff guidance and to facilitate activities associated with the review of applications for design certification (DC) and combined licenses (COL) by the Office of New Reactors (NRO). Additionally, the SRPs and BTPs are used by the Office of Nuclear Reactor Regulation (NRR) staff in the review of applications for license amendments in currently operating nuclear power plants (NPPs). The NRC staff will also incor