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CSA N287.7

5th Edition, January 1, 2017

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In-service examination and testing requirements for concrete containment structures for nuclear power plants

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Product Details:

  • Revision: 5th Edition, January 1, 2017
  • Published Date: January 2017
  • Status: Active, Most Current
  • Document Language: English
  • Published By: CSA Group (CSA)
  • Page Count: 56
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This Standard provides requirements for in-service examinations of concrete containment structure which includes, but is 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).

This Standard also provides requirements for integrated leakage rate testing (ILRT) of the containment boundary.

In-service examination of containment system components designed in accordance with the CSA N285 series of Standards are beyond the scope of this Standard.

Note: CSA N285.5 provides requirements for periodic inspection of CANDU nuclear power plant containment components that are made of metallic or plastic materials and that form the containment boundary or are part of fluid handling systems that penetrate the containment structure.

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.

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. 

In this Standard, “shall be considered” or “shall consider” means that the user evaluates the impact and documents any decisions. N

ote: Examples can include no action, operating procedures, design features