Horizon Nuclear Power intends to build Advanced Boiling Water Reactors (ABWR) at Wylfa and Oldbury in the UK. based on the Hitachi design. In accordance with UK policy for new nuclear build. Hitachi, as the reactor designer, is the requesting party to the Generic Design Assessment (GDA) during which the reactor design will be reviewed by the Office for Nuclear Regulation (ONR) and the Environment Agency. An important step in the GDA process is to demonstrate the viability of the approach developed by Hitachi-GE for the assessment and justification of smart devices. This was done by means of pilot studies of Safety Class (SC) 1 and SC2 devices. This paper will describe the scope, criteria, process and approach for the SCI pilot study.
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