This standard specifies the classification requirements on the safe class of the nuclear power plant items and propones the corresponding classification of earthquake resistance and quality assurance as well as recommends the criteria, standard and criteria class of the item design and construction.
This standard is applicable to the class classification of the structure, system and parts in pressurized water reactor nuclear power plant and may provide instruction for the nuclear power plant designer to class the items in nuclear power plant.
2 Normative References
The provisions of the following standard, through reference in this standard, constitute the provisions of this standard. When this standard is published, all the listed editions are valid. As all the standards will be revised, each party using this standard shall discuss the feasibility of using the latest edition of the following standards.
GB/T 17569-1998 The following standards are cited：
