Energy

1.1 Application

This Standard addresses the design and execution of a nuclear air-cleaning system testing programs.

Notes:

1) The operating organization is responsible for determining the applicability and suitability of this Standard in consultation with the AHJ.

2) Nuclear facilities that typically use this standard consist of certain Class I nuclear facilities.

3) Parts of this Standard could also be relevant to the design and execution of a nuclear air-cleaning system testing program for

a) Class II nuclear facilities;

b) institutions operating under the authority of a Nuclear Substances and Radiation Devices licence;

c) facilities that use or store naturally-occurring radioactive materials; and

d) waste nuclear substance licensees.

1.2 Facility lifecycle

This Standard addresses nuclear air-cleaning system testing performed during commissioning, operation, and decommissioning of the facility.

1.3 Emissions covered under this Standard

This Standard provides information on testing of nuclear air-cleaning systems that remove radioactive particulate matter and iodine species from emissions streams.

1.4 Operating conditions

This Standard provides guidance for the design and execution of a testing program for nuclear air-cleaning systems used for

a) normal operation;

b) emergency operation;

c) operation following upset, maintenance, engineering, or procedural changes with the potential to affect system performance; and

d) operation following engineering changes that might affect system performance.

Note: Any release resulting from a deviation from routine operational practice that is expected to occur once or several times during the operating lifetime of a nuclear facility or licensed activity (i.e., reasonably foreseeable upset events, also known as anticipated operational occurrences, including leaks or spills) is considered part of normal operation.

1.5 Qualifications of staff

This Standard provides guidance in the training and qualifications of staff performing the following tasks:

a) testing;

b) designing or reviewing a testing program for a nuclear air-cleaning system; and

c) training staff to perform testing on nuclear air-cleaning systems and to administer a testing program.

1.6 Exclusions

1.6.1 Environmental and emissions monitoring

Equipment in a nuclear air-cleaning system which is installed specifically for the collection and quantification of airborne substances (e.g., in emissions and environmental monitoring programs) or for the mitigation of non-radioactive hazardous substances is excluded from testing programs conforming to this Standard. For the design and execution of environmental, and effluent and emissions monitoring programs, refer to CSA N288.4 and CSA N288.5, respectively.

1.6.2 Testing of process off-gas treatment systems

This Standard does not apply to nuclear air-cleaning systems that are designed to abate noble gases, tritium, or carbon-14 releases.

1.7 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.

1.1 Application

La présente norme traite de la conception et de la mise en œuvre des programmes d’essais de système d’épuration d’air radioactif

Notes :

1) L’exploitant de l’installation est responsable de déterminer la pertinence de la présente norme en consultation avec l’autorité compétente.

2) Les installations nucléaires qui utilisent généralement la présente norme sont certaines installations nucléaires de catégorie I.

3) Des parties de la présente norme pourraient aussi être pertinentes en ce qui concerne la conception et l’exécution d’un programme d’essais de système d’épuration d’air radioactif pour :

a) des installations nucléaires de catégorie II;

b) des établissements exploités en vertu d’un permis de substances nucléaires et d’appareils à rayonnement;

c) des installations qui utilisent ou stockent des substances radioactives d’origine naturelle; et

d) des détenteurs de permis de déchets de substances nucléaires.

1.2 Cycle de vie de l’installation

La présente norme vise les mises à l’essai des systèmes d’épuration d’air radioactif effectuées durant la mise en service, l’exploitation et le déclassement.

1.3 Effluents visés par la présente norme

La présente norme contient de l’information sur les mises à l’essai des systèmes d’épuration d’air radioactif qui éliminent des matières particulaires radioactives et des espèces d’iode radioactifs de l’air des effluents.

1.4 Conditions d’exploitation

La présente norme contient des recommandations sur la conception et l’exécution d’un programme d’essais des systèmes d’épuration d’air radioactif visant :

a)   l’exploitation normale;

b)   l’exploitation d’urgence;

c)   l’exploitation à la suite d’une perturbation, d’un entretien, ou de modifications techniques ou procédurales pouvant avoir une incidence sur les performances du système; et

d)   l’exploitation à la suite de modifications techniques pouvant avoir une incidence sur les performances du système.

Note : Tout rejet attribuable à une modification des activités d’exploitation courantes qui pourrait être un événement unique ou survenir à quelques reprises durant la vie de l’installation nucléaire ou de l’activité autorisée (c.-à-d., des événements raisonnablement prévisibles, aussi appelés incidents de fonctionnement prévus, ainsi que les fuites et les déversements) est considéré comme faisant partie de l’exploitation normale.

1.5 Qualifications du personnel

La présente norme contient des recommandations sur la formation et les qualifications du personnel qui exécute les tâches suivantes :

a)   essais;

b)   conception ou examen d’un programme d’essais pour un système d’épuration d’air radioactif; et

c)   formation du personnel qui a la charge d’effectuer les essais des systèmes d’épuration d’air radioactif et exécuter un programme d’essais.

1.6 Exclusions

1.6.1  Surveillance de l’environnement et des effluents

Le matériel qui entre dans la composition d’un système d’épuration d’air radioactif spécialement installé pour le captage et la quantification de substances dans l’air (p. ex., pour les programmes de surveillance de l’environnement et des effluents) ou pour l’atténuation des effets de substances dangereuses non radioactives, est exclu des programmes d’essais conformes à la présente norme. Pour la conception et l’exécution de programmes de surveillance de l’environnement et des effluents, se reporter à CSA N288.4 et à CSA N288.5, respectivement.

1.6.2 Essais des systèmes de traitement des gaz dégagés par des procédés

La présente norme ne s’applique pas aux systèmes d’épuration d’air radioactif conçus pour limiter les rejets de gaz nobles, de tritium ou de carbone 14.

1.7 Terminologie

Dans les normes CSA, le terme « doit » indique une exigence, c’est-à-dire une prescription que l’utilisateur doit respecter pour assurer la conformité à la norme; « devrait » indique une recommandation ou ce qu’il est conseillé mais non obligatoire de faire; et « peut » indique une possibilité ou ce qu’il est permis de faire.

Les notes qui accompagnent les articles ne comprennent pas de prescriptions ni de recommandations. Elles servent à séparer du texte les explications ou les renseignements qui ne font pas proprement partie de la norme.

Les notes au bas des figures et des tableaux font partie de ceux-ci et peuvent être rédigées comme des prescriptions.

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

1.1 Application

This Standard applies to the design, qualification, installation, operation, maintenance, inspection, and documentation of the safety systems for new and existing water-cooled nuclear power plants.

Note: This Standard also applies to safety support systems as they relate to the safety systems covered by this Standard.

1.2 Companion documents

This Standard provides the general requirements for safety systems. This Standard is a companion document used in concert with CSA N290.1, CSA N290.2, and CSA N290.3, which outline system-specific requirements.

1.3 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.

1.1 Application

Cette norme s’applique à la conception, à la qualification, à l’installation, à l’exploitation, à l’entretien, à l’inspection et à la documentation des systèmes de sûreté des nouvelles et existantes centrales nucléaires refroidies à l’eau.

Note : Cette norme s’applique aussi aux systèmes de soutien en matière de sûreté en rapport avec les systèmes de sûreté traités par cette norme.

1.2 Documents complémentaires

Cette norme énonce des exigences générales applicables aux systèmes de sûreté. Cette norme complète CSA N290.1, CSA N290.2 et CSA N290.3, qui stipulent des exigences spécifiques aux systèmes.

1.3 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.

1.1 Application

This Standard applies the design, qualification, installation, operation, maintenance, inspection, and documentation of the emergency core cooling (ECC) system for new and existing water-cooled nuclear power plants.

1.2 Inclusions

This Standard also applies to all support systems required to ensure that the ECC system is able to maintain adequate heat transfer for as long as necessary to maintain the release of radioactive material within reference dose limits by limiting fuel failure. This Standard includes requirements for the layout of plant structures to provide a recovery flow path to the ECC pumps.

1.3 Companion standard

This Standard outlines the specific requirements for ECC system, and is used in concert with CSA N290.0, which outlines general requirements for safety systems.

1.4 Use of ECC system

This Standard uses the term “ECC system” to refer to either a single system or multiple systems depending on the plant design.

1.5 Exclusions

This Standard does not address the assessment of plant or system operation following beyond design basis accident. Requirements and guidance regarding beyond design basis accident are provided in CSA N290.16.

1.6 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.

1.1 Application

Cette norme s’applique à la conception, à la qualification, à l’installation, à l’exploitation, à l’entretien, à l’inspection et à la documentation des circuits de refroidissement d’urgence du cœur des centrales nucléaires refroidies à l’eau nouvelles et existantes.

1.2 Inclusions

Cette norme s’applique aussi à tous les systèmes de soutien nécessaires pour assurer que le système de refroidissement d’urgence du coeur (RUC) soit capable de maintenir un transfert de chaleur adéquat aussi longtemps que nécessaire pour maintenir le rejet de matières radioactives dans les limites par une défaillance de combustible. Cette norme comprend des exigences pour l’aménagement des structures de la centrale pour mettre en place un circuit de recirculation des pompes du système de RUC.

1.3 Norme complémentaire

Cette norme énonce les exigences particulières pour le système de RUC et est utilisée de concert avec CSA N290.0, qui énonce les exigences générales applicables aux systèmes de sûreté des centrales nucléaires.

1.4 Utilisation du système de RUC

Dans cette norme, l’abréviation « circuit RUC » s’entend aussi bien d’un circuit unique que d’un ensemble de circuits, selon la centrale.

1.5 Exclusions

Cette norme ne vise pas l’évaluation du fonctionnement de la centrale ou du système à la suite d’un accident hors dimensionnement (AHD). Les exigences et les lignes directrices relatives aux accidents hors dimensionnement sont traitées dans CSA N290.16.

1.6 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.

1.1 General

This Standard establishes minimum requirements for pressure relief devices intended for use on fuel containers that comply with CSA/ANSI HGV 2, CSA B51, Part 2, or SAE J2579.

Pressure relief devices designed to comply with this Standard are intended to be used with hydrogen fuel complying with SAE J2719 or ISO 14687.

Pressure relief devices may be of any design or manufacturing method that meets the requirements of this Standard.

The construction of pressure relief devices, whether specifically covered in this Standard or not, are to be in accordance with reasonable concepts of safety, performance, and durability.

This Standard does not apply to reseating, resealing, or pressure activated devices.

1.2 Relevant documents

Documents that apply to hydrogen fuel vehicles and hydrogen fuel subsystems include SAE J2578 and SAE J2579.

Other regulations, standards, or codes might permit or require the use of pressure relief devices certified to comply with this Standard. Additional service conditions or requirements beyond the scope of this Standard are the responsibility of those standards development organizations or the authority having jurisdiction.

1.3 Informative annex

Annex A presents an informative record of the recommended fuel container, fuel storage subsystem, and vehicle level requirements that were identified by the PRD1/HPRD1 Joint Technical Advisory Group on Standards for Pressure Relief Devices for Natural Gas Vehicles (NGV) and Hydrogen Vehicle Fuel Containers during the development of this Standard. As this Standard contains component level requirements, these recommendations are outside the scope of this Standard.

Annex A statements are intended as recommendations for consideration of inclusion by the organizations and committees developing these subsystem and vehicle level standards.

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

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

This part of IEC 62282 applies to stationary packaged, self-contained fuel cell power systems or fuel cell power systems comprised of factory matched packages of integrated systems which generate electricity through electrochemical reactions.

This document applies to systems

a) intended for electrical connection to mains direct, or with a transfer switch, or to a stand-alone power distribution system;

b) intended to provide AC or DC power;

c) with or without the ability to recover useful heat;

d) intended for operation on the following input fuels:

1) natural gas and other methane rich gases derived from renewable (biomass) or fossil fuel sources, for example, landfill gas, digester gas, coal mine gas;

2) fuels derived from oil refining, for example, diesel, gasoline, kerosene, liquefied petroleum gases such as propane and butane;

3) alcohols, esters, ethers, aldehydes, ketones, Fischer-Tropsch liquids and other suitable hydrogen-rich organic compounds derived from renewable (biomass) or fossil fuel sources, for example, methanol, ethanol, di-methyl ether, biodiesel;

4) hydrogen, gaseous mixtures containing hydrogen gas, for example, synthesis gas, town gas.

This document does not cover:

• micro fuel cell power systems;

• portable fuel cell power systems;

• propulsion fuel cell power systems.

NOTE For special applications such as marine auxiliary power, additional requirements can be given by the relevant marine ship register standard.

This document is applicable to stationary fuel cell power systems intended for indoor and outdoor commercial, industrial and residential use in non-hazardous areas.

This document contemplates all significant hazards, hazardous situations and events, with the exception of those associated with environmental compatibility (installation conditions), relevant to fuel cell power systems, when they are used as intended and under the conditions foreseen by the manufacturer.

This document deals with conditions that can yield hazards on the one hand to persons, and on the other to damage outside the fuel cell power system only. Protection against damage to the fuel cell power system internals is not addressed in this document, provided it does not lead to hazards outside the fuel cell power system.

Canadian Deviation

1DV Add the following:

This Standard applies to the safety of stationary fuel cell systems intended for installation and use in accordance with CSA C22.1, Canadian Electrical Code, Part I.

1.1 These requirements apply to power-operated dispensing devices for petroleum products such as gasoline and diesel for use as motor fuel.

1.2 In the United States, the electrical features of power-operated dispensers are addressed in UL 1238, Standard for Control Equipment for Use in Flammable Liquid and LP-Gas Dispensing Devices. In Canada, the electrical features of flammable and combustible fuel dispensers are addressed by CSA C22.2 No. 22, Electric equipment for flammable and combustible fuel dispensers.

1.3 These requirements apply to wiring methods used to install or interconnect such control equipment when the equipment is located directly on or within the housing of the dispensing device. These requirements do not apply to control equipment that can authorize, monitor, or interrupt operation of a power-operated dispensing device. Such equipment includes panel-mounted equipment located adjacent to the dispensing device, remote consoles located inside a permanent structure, and auxiliary equipment physically attached to the dispensing device or enclosed by the pedestal and housing.

1.4 Products covered by this Standard are intended to be installed and used in accordance with the applicable Codes and Regulations as determined by the Authority Having Jurisdiction (AHJ), such as:

a) In the United States:

1) NFPA 30, Flammable and Combustible Liquids Code;

2) NFPA 30A, Code for Motor Fuel Dispensing Facilities and Repair Garages;

3) International Fire Code (IFC) Chapter 23; or

4) National Electrical Code, NFPA 70.

b) In Canada:

1) National Fire Code of Canada (NFC);

2) Canadian Electrical Code, Part I, CSA C22.1; or

3) Provincial or other Regulations.

 
1.5 For additional requirements for Power-Operated Dispensing Devices for Gasoline/Ethanol Blends with nominal ethanol concentrations above 10 %, refer to UL 87A.

1.6 For additional requirements for Power-Operated Dispensing Devices for biodiesel fuel, diesel/biodiesel blends with nominal biodiesel concentrations up to 20 % (B20), refer to UL 87B.

1.1

This Standard specifies mechanical and electrical requirements for dispensers of compressed hydrogen gas intended for fuel storage systems integral to hydrogen powered vehicles at pressures of 25, 35, 50, and 70 MPa.

Dispensing systems covered by this Standard include

a)    HGV dispensers that integrate all dispensing system components in a single unit, as needed, fuel metering and registering, flow control and safety management devices, heat exchangers, and vehicle fuel cylinder over-fill and over-pressure protection with listed hoses with nozzles (see Figure A.1); or

b)   HGV dispensers that are primarily the customer facing unit with components, as needed, fuelling hose assembly listed hoses, nozzles, and operator interface, and where the key components of flow metering and over-pressure and over-fill protection are located in a separate unit or part of the hydrogen fuelling station system (see Figure A.2).

The following service pressures are applicable: 25, 35, 50, and 70 MPa.

Each dispensing system could have multiple valve trains allowing fuelling of multiple vehicles.

1.2

Dispensing systems covered by this Standard are intended for use with fuel meeting the requirements in SAE J2719 and ISO 14687, Grades D and F.

1.3

This Standard applies to dispensers that protect the vehicle storage for over-pressure, over-temperature, and over-fill (i.e., over-density) situations.

1.4

This Standard also applies to dispensing systems that are part of a modular fuelling station with remote fuel metering, registering, control and management devices, and vehicle fuel storage over-fill and over-pressure protection included in an integrated fuelling station control system. For these applications, refer to CSA HGV 4.9.

1.5

This Standard does not apply to dispensers intended for the refuelling of hydrogen-powered industrial trucks.

Note: CSA HPIT 2 addresses dispensers intended for the refuelling of hydrogen-powered industrial trucks.

1.6

All references to pressure throughout this document Standard are to be considered gauge pressures unless otherwise specified in this Standard.

1.7

These requirements are not intended to prevent the design and construction of a dispensing system not specifically prescribed in this Standard. In considering alternative designs or construction, the materials used shall be evaluated as to their ability to yield equivalent performance to that prescribed by this Standard.

1.8

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; “may” is used to express an option or that which is permissible within the limits of the standard; and “can” is used to express possibility or capability.

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.

1.9

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