This is the fifth edition of CSA N285.5, Periodic inspection of CANDU nuclear power plant containment components. It supersedes the previous editions published in 2013, 2008, 1990, and 1988.

Scope

This Standard specifies requirements for the periodic inspection of containment system components, including containment pressure suppression systems, in CANDU nuclear power plants.

This Standard specifies requirements for:

a) periodic inspection;
b) accessibility;
c) examination methods and procedures;
d) personnel qualifications;
e) examination criteria;
f) periodic inspection program development;
g) periodic inspection frequency;
h) evaluation of periodic inspection results;
i) dispositioning of defects;
j) repairs;
k) documentation; and
l) records.