CSA N287.4:19

Scope

1.1
This Standard provides requirements for the construction, fabrication, and installation of concrete containment structures that include, but are not limited to, the following structural and non-structural elements:
a) concrete;
b) reinforcement (pre-stressed and non-pre-stressed);
c) steel (e.g., liner, embedded parts, anchors);
d) non-metallic liners and coating systems;
e) joint sealants; and
f) elements necessary to support containment structure (e.g., foundations).

1.2
This Standard provides personnel qualification requirements for work performed as it pertains to the construction, fabrication, and installation of concrete containment structures for nuclear power plants, in accordance with this Standard.

1.3
This Standard may be applied, as appropriate, to nuclear facilities under the jurisdiction of the Nuclear Safety and Control Act.

1.4
This Standard is used in concert with the following standards, as applicable:
a) CSA N287.1, which outlines general requirements for concrete containment structures for nuclear power plants; and
b) CSA N287.8, which outlines aging management requirements for concrete containment structures for nuclear power plants.

1.5
In this Standard, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the Standard. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.