This Standard deals with the following subjects: the use of electrical surgical units (ESU) - medical devices and systems for the application of electrosurgical energy.

Domaine d’application

Réacteurs et autres sources potentielles

Cette norme offre les exigences et les directives pour les SSC d’une centrale nucléaire refroidie à l’eau. Cette norme s’applique aux SSC associés à ce qui suit :

réacteurs refroidis à l’eau; et

autres sources potentielles d'importants rejets radioactifs dans l'environnement.

Notes :

Cette norme peut être utilisée pour fournir des conseils aux installations nucléaires autres que les centrales nucléaires refroidies à l’eau, p. ex., les réacteurs de recherche.

« Autres sources potentielles d’importants rejets radioactifs dans l’environnement » comprennent les piscines de stockage et les installations de stockage à sec du combustible épuisé.

1 Scope

1.1 General

1.1.1

This Standard specifies requirements, in accordance with the National Building Code of Canada, for the design and strength evaluation of

a) structures of reinforced and prestressed concrete; and

b) plain concrete elements.

Note: Special requirements for parking structures are specified in CSA S413.

1.1.2

For structures such as blast‐resistant structures, tanks, reservoirs, swimming pools, bins, silos, towers, and chimneys, the designer shall also refer to applicable codes, standards or guidelines for additional requirements.

1.2 Fire resistance

This Standard requires designs to be carried out in accordance with the fire resistance requirements of the applicable building code (see Clause 8.1.2).

Note: Information on the fire resistance of concrete elements can be found in Appendix D of the National Building Code of Canada.

1.3 Alternative design procedures

Designs that use procedures that are not covered by this Standard but are carried out by a person qualified in the methods applied and provide a level of safety and performance equivalent to designs complying with this Standard are acceptable if carried out by one of the following methods:

a) analysis based on generally established theory;

b) evaluation of a full-scale structure or a prototype by a loading test; or

c) studies of model analogues.

1.4 Terminology

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.

1.5 Units of measurement

Equations appearing in this Standard are compatible with the following units:

a) area: mm2 (square millimetres);

b) force: N (newtons);

c) length: mm (millimetres);

d) moment: N·mm (newton millimetres); and

e) stress: MPa (megapascals).

Whenever the square root of the concrete strength is determined, the concrete strength and the square root of the concrete strength are both expressed in megapascals.

Other dimensionally consistent combinations of units may be used, provided that appropriate adjustments are made to constants in non-homogeneous equations.

Note: Some examples of non-homogeneous equations are found in Clauses 12.2.2 and 12.8.

This Standard applies to the design and manufacture of UN portable tanks and their approval by the Competent Authority of Canada. Such UN portable tanks shall have a capacity greater than 450 L and may or may not meet the definition of “container” within the terms of the International Maritime Organization’s International Convention for Safe Containers, 1972, as amended.

Cette norme s’applique à la conception et à la construction des citernes mobiles normalisées UN et à leur agrément par l’autorité compétente du Canada. Ces citernes mobiles normalisées UN doivent avoir une capacité supérieure à 450 L et peuvent satisfaire ou non à la définition du terme «conteneur» selon la Convention internationale sur la sécurité des conteneurs de 1972, telle que modifiée.

Amendment to (ISO 5359:2014, MOD)