Status of Code Development for ASME B&PV Code, Section III, Division 3

Current activities of the American Society of Mechanical Engineers (ASME), Section III Subgroup on Containment Systems for Spent Fuel and High-Level Waste Transport Packagings (also known as Subgroup NUPACK) are reviewed with emphasis on the recent revision of Subsection WB (transportation containments). Also, brief insights on new proposals for the development of rules for internal support structures (e.g., spent fuel baskets) and for a strain-based acceptance criteria are provided.