The Provision of Technical Support on Internal Hazards Safety Assessment for Step 3 of GDA of the UK ABWR

1) In January 2014 ONR formally started Step 2 of the Generic Design Assessment (GDA) of Hitachi General Electric’s (Hitachi-GE) UK Advanced Boiling Water Reactor (UK ABWR). Hitachi-GE is the Requesting Party for the UK ABWR GDA (referred to as “the RP” in this specification). 2) Step 2 of GDA is an overview of the acceptability, in accordance with the regulatory regime of Great Britain, of the design fundamentals, including review of key nuclear safety and nuclear security claims with the aim of identifying any fundamental safety or security shortfalls that could prevent the issue of a Design Acceptance Confirmation (DAC)