Abstract: At present, relevant requirements for periodic safety assessment for near surface disposal facilities are lack in China. The evaluation strategy, safety elements screening, evaluation points of the evaluation outline for the periodic safety assessment of near-surface disposal facilities were proposed in this paper, on the basis of investigation and analysis of relevant requirements and practices for periodic safety assessment of domestic and foreign nuclear facilities, taking into account the inherent characteristics and the requirements for the safety case of near-surface disposal facilities, with a view to providing references for the implementation of periodic safety assessment of near-surface disposal facilities and drafting relevant standards/guidelines in China.

Key words: near-surface disposal facilities, periodic safety assessment, safety elements, evaluation points