Energy

Categories: Energy
Contact: [email protected] (Sara Marxen )
Origin: CSA
Close date: Apr 10, 2026
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1.1 Inclusions

This Document specifies the requirements and minimum standards for the design and manufacture, installation and operation of portable, transportable and mobile hydrogen fuelling units. These systems include:

a)    transportable refuelling systems that are intended to be removed from the delivery vehicle or trailer and placed on the ground to perform dispensing operations;

b)    mobile fuelling units that are permanently affixed to a stationary wheeled trailer; and

c)    “wet hose” mobile refuelling units that can deliver hydrogen to vehicles on road or in the field.

1.2 Exclusions

This Document does not apply to:

a)    permanently installed hydrogen refuelling equipment, facilities, stations and systems;

b)   transfer of gaseous hydrogen (GH2) from the GH2 vehicle fuel storage system of one vehicle to the GH2 vehicle storage system of another vehicle;

c)    the defuelling of hydrogen powered vehicles;

d)   listed hydrogen residential fuelling appliances; or

e)    mobile equipment containing compressed hydrogen or cryogenic hydrogen in the act of being transported or offered for transport in accordance with Transport Canada or U.S. Department of Transportation regulations.

1.3 Conflicts

In case of conflict between this Document and federal, provincial, state, or local regulations, governmental regulations take precedence.

1.4 Pressure terminology

All references to pressure throughout this Document are to be considered gauge pressure unless otherwise specified.

1.5 Terminology

In this Document, “shall’ is used to express a requirement; “should” is used to express a recommendation or that which is advised but not required; “may” is used to express an option or that which is permissible within the limits of the Document.

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.

1.6 Use of measure

The values given in SI units are the units of record for the purposes of this Document. The values given in parentheses are for information and comparison only.

Categories: Energy
Origin: CSA
Close date: Apr 19, 2026
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1.1  General

This Standard specifies the technical requirements for the owner/operator to evaluate cold-worked Zr-2.5 wt% Nb alloy pressure tubes in operating CANDU reactors for continued operation. Clause 13 of CSA N285.0/N285.6 Series requires that when in-service inspection results or material surveillance results do not satisfy the requirements of the original inspection program, a fitness-for-service evaluation must be performed in accordance with CSA N285.4 to demonstrate acceptance. The requirements of this Standard address the specific fitness-for-service evaluation requirements of CSA N285.4, Clause 12.

1.2  Application to pressure tube material type

This Standard applies only to cold-worked Zr-2.5 wt% Nb alloy pressure tubes in operating CANDU reactors and to evaluation of the volumetric inspection results, pressure tube to calandria tube contact, and material surveillance measurements listed herein. The definition of pressure tube material types within the scope of this Standard is provided in CSA N285.6.1.

1.3  Application exclusions

This Standard does not apply to evaluation of pressure tube dimensional changes (other than pressure tube to calandria tube contact), material property surveillance measurements beyond those defined in CSA N285.4, or other reactor types. This Standard does not apply to pressure tube materials other than cold-worked Zr-2.5 wt% Nb.

1.4  Application of standard to lifecycle phases

The requirements of this Standard are applicable to the operational phase of a nuclear power plant, until the fuel is removed from the entire reactor core and up to the time at which systems for cooling of the fuel are drained for the purpose of refurbishment or decommissioning of the reactor core.

 

This Standard is not applicable to the decommissioning phase of the nuclear power plant life cycle.

 

1.5  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.

Categories: Energy
Origin: CSA
Close date: Apr 19, 2026
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1.1 Généralités

Cette norme stipule les exigences techniques pour le propriétaire/l’exploitant relatives à l’évaluation des tubes de force en alliage de Zr-Nb 2,5 % en poids écroui des réacteurs CANDU en vue d’une exploitation continue. L’article 13 de la série CSA N285.0/N285.6 exige que lorsque les résultats d’une inspection en service ou les résultats d’une surveillance de matériaux ne satisfont pas aux exigences du programme d’inspection initial, il faut qu’une évaluation de l’aptitude au service soit effectuée conformément à CSA N285.4 pour démontrer l’acceptation. Les exigences de cette norme traitent des exigences particulières relatives à l’évaluation de l’aptitude au service de l’article 12 de CSA N285.4.

1.2 Application au type de matériau du tube de force

Cette norme s’applique seulement aux tubes de force en alliage de Zr-Nb 2,5 % en poids écroui dans les réacteurs CANDU en exploitation et à l’évaluation des résultats des inspections volumétriques, des contacts entre les tubes de force et les tubes de calandre et des mesures de surveillance des matériaux énumérées dans le présent document. La définition des types des matériaux des tubes de force visés par cette norme est donnée dans CSA N285.6.1.

1.3 Exclusions de l’application

Cette norme ne s’applique pas à l’évaluation des variations dimensionnelles des tubes de force (en dehors du contact entre les tubes de calandre et les tubes de force), aux mesures de surveillance des propriétés du matériau au-delà de celles définies dans CSA N285.4, ni à d’autres types de réacteurs. Cette norme ne s’applique pas aux matériaux de tube de force autres que le Zr-Nb 2,5 % en poids écroui.

1.4 Application de la norme aux phases du cycle de vie

Les exigences relatives à cette norme s’appliquent à la phase opérationnelle d’une centrale nucléaire, jusqu’à ce que le combustible soit retiré de l’ensemble du cœur du réacteur et jusqu’au moment où les systèmes de refroidissement du combustible sont purgés afin de remettre à neuf ou de déclasser le cœur du réacteur.

 

Cette norme ne s’applique pas à la phase de déclassement du cycle de vie d’une centrale nucléaire.

 

1.5 Terminologie

Dans la présente) norme, le terme « doit » indique une exigence, c.-à-d. une prescription que l’utilisateur est obligé de respecter pour assurer la conformité à la présente norme; « devrait » indique une recommandation ou ce qu’il est conseillé, mais non obligatoire; et « peut » indique une option ou ce qui est permis compte tenu des limites de la présente norme.

Les notes qui accompagnent les articles ne comprennent pas d'exigences ni d'exigences alternatives; le but d'une note accompagnant un article est de séparer du texte les éléments explicatifs ou informatifs.

Les notes au bas des tableaux et des figures font partie du tableau ou de la figure et peuvent être rédigées comme des exigences.

Les annexes sont qualifiées de normatives (obligatoires) ou d’informatives (facultatives) pour en préciser l’application.

Categories: Energy
Contact: [email protected] (Mark Duda)
Origin: CSA
Close date: Apr 26, 2026
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CSA Scope

1.2 Applicable hydrogen generators

Canadian and US deviation

[Remove the phrase “(supplied by the same manufacturer)” from the second dashed item.]

[Add the following]

In Canada, This Standard applies to the safety of hydrogen gas generation systems intended for installation and use in accordance with CSA C22.1, Canadian Electrical Code, Part I.

 

1.3 Applicable ion transport mediums

Canadian and US deviation

[Add an additional dashed item]

 - solid oxide electrolyte material

 

1.6 Excluded hydrogen generators

Canadian and US deviation

[Remove the last dashed item]

 

ISO Scope

1.1   General

This document specifies the safety requirements of hydrogen gas generation appliances or systems that use electrochemical reactions to electrolyse water to produce hydrogen, herein referred to as hydrogen generators.

 

1.2   Applicable hydrogen generators

This document is applicable to:

— hydrogen generator appliances or systems (containerised, or skid mounted, complete hydrogen generation systems);

— factory-matched modules (supplied by the same manufacturer) that, when connected together, form a complete hydrogen generation system;

— hydrogen generators intended for industrial, commercial and residential applications;

— hydrogen generators intended for indoor or outdoor environments.

NOTE When this document is applied to hydrogen gas generation appliances or systems intended for installation into buildings, additional requirements for the design of the building are likely to apply. These building requirements are not addressed in this document. Additionally, the hydrogen generator enclosure requirements in this document do not necessarily translate to requirements for a building.

Guidance for hydrogen generators that also provide oxygen used for industrial and commercial applications is provided in this document, however additional considerations can apply.

 

1.3   Applicable ion transport mediums

This document is applicable to hydrogen generators that use the following types of ion transport medium:

— aqueous alkaline (basic) electrolytes, such as solutions of potassium hydroxide or sodium hydroxide;

— aqueous acidic electrolytes, such as dilute sulphuric acid;

— solid polymeric materials with acidic function group additions, such as acid proton exchange membrane (PEM);

— solid polymeric materials with basic function group additions, such as anion exchange membrane (AEM).

 

1.4   Applicability to large scale hydrogen generators

This document is applicable to large scale hydrogen generators assembled on site.

NOTE 1 Large scale water electrolysis systems typically have a production rate of 100 kg/hour or more and can be assembled using modules or equipment from various manufacturers.

NOTE 2 Building requirements are not addressed in this document and the hydrogen generator enclosure requirements in this document do not necessarily translate to requirements for a building.

 

1.5   Applicability to certain hydrogen generator subassemblies

This document is applicable to:

— electrochemical cell stacks (as stand-alone products);

— modules (sub-systems) for integration into larger hydrogen generation systems.

In such cases, the entirety of this document will not be applicable, and the specific sections relevant to the product are established in order to develop a product conformance strategy.

 

1.6   Excluded hydrogen generators

This document is not applicable to the following:

— residential hydrogen generators that also supply oxygen as a product;— hydrogen generators that can also be used to generate electricity, such as reversible fuel cells (refer to IEC 62282-8-101, IEC 62282-8-102 and IEC 62282-8-201);

— hydrogen generators that use solid oxide electrolyte (refer to IEC 62282-8-101 and IEC 62282-8-201).

Categories: Energy
Contact: [email protected] (Pam Marvinney)
Origin: CSA
Close date: Apr 27, 2026
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1.1 Applicable equipment

This Standard applies to newly produced direct gas-fired circulating heaters (see Clause 3, Definitions) of 400,000 Btu (117 228 W) or less, hereinafter referred to as heaters, constructed entirely of new, unused parts and materials and primarily intended for permanent installation with a fixed piping system in Agricultural Animal Confinement Buildings (see Clause 3, Definitions).  All the products of combustion generated by the heater are released into the area being heated.

These requirements apply to heaters having a gas supply pressure rating not exceeding 1/2 psi (3.45 kPa) at the gas inlet of the heater.

This Standard applies to self-contained heaters with integral means for air circulation.

This Standard applies to heaters having an air outlet temperature of 350 F (176.5 C) above room temperature or less (see Clause 5.8.2).
 

1.2 Excluded equipment

This Standard does not apply to heaters utilized in other agricultural-related buildings where appropriate ventilation is not provided. This Standard does not apply to heaters intended for use as primary heating in green houses.

This Standard does not apply to heater intended for use in buildings for human habitation or sleeping quarters. 

This Standard does not cover heaters employing a flameless catalytic combustion process, heaters for use with liquid phase fuel gases, or infrared type heaters.

1.3 Applicable fuel types   

Heaters covered by this Standard are intended for use with natural or propane gases.

1.4 Construction requirements

The construction of heaters for use with the above-mentioned gases is covered under Clause 4.

Special construction provisions applicable to a heater for outdoor installation are outlined under Clauses 4.1.5, 4.2.5, 4.2.6, 4.4, 4.6.3, 4.8.4 and 4.21.4.

Special construction provisions for heaters intended for installations subject to high pressure external washdown are outlined under Clauses 4.1.7 and 4.20.1

1.5 Performance requirements

The performance of heaters for use with the above-mentioned gases is covered under Clause 5.

1.6 Reference standards      

Clause 2 contains a list of standards specifically referenced in this Standard, and sources from which these reference standards may be obtained.

1.7 Pressure references

All references to “psi” throughout this Standard are to be considered gauge pressure unless otherwise specified.

1.8 Measurement units

This Standard contains SI (Metric) units corresponding to the yard/pound quantities, the purpose being to allow the standard to be used in SI (Metric) units. (IEEE/ASTM SI 10, American National Standard for Metric Practice, or ISO 80000-1:2009, Quantities and units – Part 1: General, is used as a guide in making metric conversion from yard/pound quantities.) If a value for a measurement and a corresponding value in other units are stated, the first stated value is to be regarded as the requirement. The given corresponding value may be approximate. If a value for a measurement and a corresponding value in other units are both specified as a quoted marking requirement, the first stated unit, or both, are to be provided.

1.9 Identification of requirements and recommendations

In this Standard, “shall” is used to express a requirement, i.e., a provision that the user shall 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.

Categories: Energy
Origin: CSA
Close date: May 3, 2026
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1.1

This Standard provides requirements for the materials used for concrete containment structures, which 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 waterstops ;and

f) elements necessary to support the containment structure (e.g. foundations).

Note: For material requirements for safety-related structures, refer to CSA N291.

1.2

This Standard is applicable to existing and new nuclear power plants. It is not the intent that the requirements of this Standard be applied retroactively to existing nuclear power plants, unless as agreed to by the AHJ.

1.3

This Standard is used in concert with the other N287 Series of Standards as applicable.

1.4

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

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

Note: Examples can include no action, operating procedures, or design features.

Categories: Energy
Origin: CSA
Close date: May 3, 2026
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1,1

Cette norme stipule des exigences relatives aux matériaux utilisés pour les enceintes de confinement en béton, qui visent de manière non limitative les éléments structuraux et non structuraux suivants :

a) béton;

b) armatures (précontraintes et non précontraintes);

c) acier (p. ex., membrane protectrice, pièces encastrées, ancrages);

d) systèmes de membrane protectrice non métallique et de revêtement;

e) garnitures de joint et arrêts d’eau; et

f) éléments nécessaires au soutien d’une enceinte de confinement (p. ex., fondations).

Note : Pour les exigences relatives aux matériaux utilisés pour les ouvrages liés à la sûreté, se reporter à CSA N291.

1,2

Cette norme s’applique à des centrales nucléaires existantes et nouvelles. Ce n’est pas le but des exigences de cette norme de s’appliquer rétroactivement à des centrales nucléaires existantes, à moins que l’AC en convienne.

1,3

 La présente norme est utilisée conjointement avec les autres normes de la série N287, le cas échéant.

1,4

Dans la présente norme, le terme « doit » indique une exigence, c.-à-d. une prescription que l’utilisateur est obligé de respecter pour assurer la conformité à la présente norme; « devrait » indique une recommandation ou ce qu’il est conseillé, mais non obligatoire; et « peut » indique une option ou ce qui est permis compte tenu des limites de la présente norme.

Les notes qui accompagnent les articles ne comprennent pas d’exigences ni d’exigences alternatives; le but d’une note accompagnant un article est de séparer du texte les éléments explicatifs ou informatifs.

Les notes au bas des tableaux et des figures font partie du tableau ou de la figure et peuvent être rédigées comme des exigences.

Les annexes sont qualifiées de normatives (obligatoires) ou d’informatives (facultatives) pour en préciser l’application.

1,5

Dans cette norme, le terme « doit être considéré » ou « doit considérer » signifie que l’utilisateur évalue les conséquences de toute décision et les documente.

Note : Des exemples pourraient notamment être « ne rien faire », des procédures d’exploitation ou des caractéristiques de conception.

Categories: Energy
Contact: [email protected] (Stephanie Kasperski)
Origin: CSA
Close date: May 3, 2026
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CSA Scope:

[Replace first paragraph with the following]

This document provides the requirements and test methods for the safety performance of high pressure gas valves that are used in gaseous hydrogen stations of up to the H70 designation and at flow capacities up to and including 300 g/s.

[Add the following note]

NOTE  For North American application, all references to rated pressure are considered to be equivalent to maximum allowable working pressure (MAWP).

 

ISO Scope:

This document provides the requirements and test methods for the safety performance of high pressure gas valves that are used in gaseous hydrogen stations of up to the H70 designation.

This document covers the following gas valves:
— check valve;
— excess flow valve;
— flow control valve;
— hose breakaway device;
— manual valve;
— pressure safety valve;
— shut-off valve.

Categories: Energy
Contact: [email protected] (Stephanie Kasperski)
Origin: CSA
Close date: May 4, 2026
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ANSI/CAN/CSA ISO 12617:16 (R2021) has been posted for ANSI BSR-8 (ANSI Public Review) on the ANSI Standards Action Website. For further information please visit: https://www.ansi.org/resource-center/standards-action.

Categories: Energy
Contact: [email protected] (Nick Shrewsbury-Gee )
Origin: CSA
Close date: May 9, 2026
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1.1 Code scope

This Code covers the protection from lightning of

a) recreational, residential, institutional, medical, agricultural, industrial, commercial, military, and telecommunications buildings and structures;

b) tall, slender structures such as smokestacks, silos, tanks, towers, masts, and poles;

c) immobile property such as equipment, tents, fences, trees, and solar arrays; and

d) high-risk structures with dangerous contents such as explosives and flammable goods.

1.2 Electrical equipment protection limitation

This Code covers the protection from lightning of structures housing electrical generation, transmission, and distribution systems, as well as structures housing communication systems, but not the equipment or installation requirements for such systems.

1.3 Exclusions and limitations

This Code does not cover installation requirements for early streamer emission systems or charge dissipation/charge transfer systems. No recognized standards body or testing agency exists for Canadian installations of these devices.

1.4 Non-mandatory sections

This Code also contains non-mandatory sections devoted to the nature of lightning and the general principles upon which lightning protection is based, so that the user of the Code will be able to assess the need for lightning protection in the case of any given structure (see Annexes A through D).

1.5 Terminology and application of terms

In this Code, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Code; “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 Code.

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.

1.6 Units of record

The values given in SI units are the units of record for the purposes of this Code. The values given in parentheses are for information and comparison only.

Categories: Energy
Contact: [email protected] (Stephanie Kasperski)
Origin: CSA
Close date: May 11, 2026
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CSA/ANSI HGV 4.4:21 has been posted for ANSI BSR-8 (ANSI Public Review) on the ANSI Standards Action Website. For further information please visit: https://www.ansi.org/resource-center/standards-action.

Categories: Energy
Contact: [email protected] (Mark Duda)
Origin: CSA
Close date: Jun 2, 2026
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ANSI/CSA AMERICA FC 3-2004 (R2021) has been posted for ANSI BSR-8 (ANSI Public Review) on the ANSI Standards Action Website. For further information please visit: https://www.ansi.org/resource-center/standards-action.