Energy
1.1 General
This Standard provides requirements and guidance related to the performance of periodic safety reviews (PSRs) for nuclear power plants (NPPs).
Note: This Standard may be used to provide guidance for nuclear facilities other than NPPs using a graded approach.
1.2 Requirements and guidance
This Standard provides requirements and guidance related to the PSR for:
developing the basis document;
conducting reviews of modern requirements documents and practices;
conducting safety factor reviews to identify findings;
performing analyses of safety factor findings, including consolidation of identified gaps and strengths, development of global issues, and preparation of a global assessment report (GAR); and
preparing the integrated implementation plan (IIP) where the developed global issues are resolved into actions.
1.3 Deliverables
This Standard identifies required deliverables that will help facilitate achieving the objectives of the PSR process.
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 Additional terminology
In this Standard, “shall be considered” or “shall consider” means that the user evaluates the impact and documents any decisions.
Note: Decisions could include no action.
1.1 Généralités
Cette norme énonce les exigences et lignes directrices applicables à la réalisation des bilans périodiques de la sûreté (BPS) des centrales nucléaires (CN).
Note : Cette norme peut être utilisée comme guide pour des installations nucléaires autres que des centrales nucléaires utilisant une méthode graduelle.
1.2 Exigences et lignes directrices
Cette norme énonce des exigences et des lignes directrices relatives aux BPS en vue de réaliser :
l’élaboration d’un document de fondement;
l’examen des documents normatifs et pratiques modernes;
l’examen des coefficients de sécurité pour déterminer les constatations;
l’analyse des constatations des rapports sur les coefficients de sécurité, y compris les écarts et points forts, l’élaboration des questions globales, et la préparation d’un rapport d’évaluation globale (RÉG); et
la préparation du plan intégré de mise en œuvre (PIMO) en vertu duquel les questions globales soulevées sont traduites en actions.
1.3 Livrables
Cette norme indique les livrables exigés qui permettront d’atteindre les objectifs du BPS.
1.4 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.
1.5 Terminologie supplémentaire
Dans cette norme, les expressions « doit être pris en compte » et « doit prendre en compte » signifient que l’utilisateur évalue les conséquences de ses décisions et les met par écrit.
Note : Une décision pourrait être de ne prendre aucune mesure.
1.1 Inclusions
This Standard applies to automatically operating gas-fired central furnaces (see Clause 3), hereinafter referred to as furnaces, for installation in residential, commercial, and industrial structures including furnaces for direct vent, recreational vehicle, outdoor, and manufactured (mobile) homes. These furnaces can include a cooling unit. All units are to be constructed entirely of new, unused parts and materials.
1.2 Appliance Categories
This Standard applies to Category I, Category II, Category III, and Category IV central furnaces. See Clause 3.
1.3 Application and operation of furnaces
This Standard applies to furnaces of the types defined in Clause 3, which are designed to supply heated air through ducts to spaces remote from or adjacent to the furnace location. Location and use of such furnaces with respect to the spaces being heated necessitates automatic operation of the appliance.
1.4 Thermal efficiency of furnaces
This Standard covers the thermal efficiency (see Clause 5.40) and related markings of only those furnaces whose efficiencies are not regulated in the U.S.A. by the Energy Policy Act and Conservation Act of 1975 and the National Energy Conservation Policy of 1978* or not covered in Canada by Clause 13 when connected to a single phase electrical supply.
Note: * At the time of printing, Federal energy acts in the U.S.A. regulate the efficiency (heating capacity) of furnaces having input ratings less than 225 000 Btu/h (65 941 W).
1.5 Examination and testing of undefined furnace types
A furnace of a type not specifically defined in this Standard may be subjected to such examination and tests as deemed necessary by the testing agency to determine compliance with the intent of this Standard.
1.6 Furnace with draft hood and automatic vent damper device
This Standard also applies to a furnace that is factory equipped with both a draft hood and an automatic vent damper device (see Clause 3), hereinafter referred to as vent damper device.
1.7 Units of measurement
If a value for measurement as given in this Standard is followed by an equivalent value in other units, the first stated value is regarded as the specification, except as noted in Clauses 4.22.1 and 4.26.2.
1.8 Reference to psi gauge pressures
All references to “psi” throughout this Standard are considered gauge pressures, unless otherwise specified.
1.9 Provisions for furnace with optional listed conversion kit
Special construction provisions applicable to a furnace designed for use with an optional listed conversion kit are outlined under Annex H.
1.10 Referenced standards and jurisdictional requirements
Clause 2 contains a list of standards specifically referenced in this Standard.
Clause 2 includes both U.S. and Canadian reference standards where applicable. It is the responsibility of the user of this Standard to determine which referenced standard applies based on the requirements of the authority having jurisdiction at the location of the installation. However, a furnace for use in a particular country only should comply with the applicable referenced standard for that country.
1.11 Electrical equipment and wiring provisions
Clause 4.17 is unique to United States. The Canadian electrical equipment and wiring provisions are contained in CSA C22.2 No. 3 or CAN/CSA-C22.2 No. 60335-2-102.
1.12 Provisions for high altitude furnaces
Special construction provisions applicable to furnaces designed to operate at altitudes over 2000 ft (610 m) are outlined in Annex K.
1.13 Standard 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
This Standard applies to newly produced assembled connectors constructed entirely of new, unused parts and materials. Such connectors are intended for exterior use above ground for making the following non-rigid connections:
a) between the gas supply and the gas inlet of an appliance for outdoor installation that is not frequently moved after installation. These connectors are not intended for use with wheeled, caster mounted, or portable appliances;
b) between the permanent gas outlet of a manufactured home community (mobile home park) or individual site and the piping inlet on a park trailer or a manufactured (mobile) home; or
c) between sections of a multiple section manufactured (mobile) home.
1.2
Connectors covered by this Standard are considered suitable for use with natural, manufactured, mixed, and propane gases and LP gas-air mixtures.
1.3
Connectors covered by this Standard are for use on piping systems operating at fuel gas pressures not in excess of 1/2 lb/in2 (3.5 kPa).
1.4
Connectors covered by this Standard are to have a nominal length of not less than 1 ft (0.31 m) or more than 6 ft (1.83 m).
1.5
If a value for measurement as given in this Standard is followed by an equivalent value in other units, the first stated value is to be regarded as the specification.
1.6
All references to psi throughout this Standard are to be considered gauge pressure unless otherwise specified.
1.7
Annex A contains provisions that are unique to Canada.
1.8
Clause 2 contains a list of standards specifically referenced in this Standard and sources from which these reference standards may be obtained.
1.9
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.
1.1
This Standard applies to:
a) the mechanical and electrical features of newly manufactured systems that dispense natural gas for vehicles (NGV) where such a dispensing system is intended primarily to dispense the fuel directly into the fuel storage container of the vehicle;
b) NGV dispensers contained in a single housing; and
c) NGV dispensers contained in multiple housings for metering and registering devices, remote electronics, remote overfill protection, hoses, and nozzles.
Note: Residential fueling appliances (RFA) are addressed in CSA NGV 5.1. Vehicle fueling appliances (VFA) are addressed in CSA NGV 5.2/12.6.
1.1.1
Each dispenser may have the capability of independently fueling more than one vehicle simultaneously.
1.1.2
NGV dispensers covered by this Standard are intended for use with a gas composition specified by SAE J1616.
1.1.3
A dispenser hose may be pressurized or non-pressurized while inactive.
1.1.4
This Standard does not apply to:
a) compression and ancillary equipment;
b) compressed natural gas storage containers;
c) priority valve equipment;
d) vehicle fueling appliances for NGV;
e) remote station or kiosk consoles; and
f) remote sequencing equipment and other remote equipment not supplied as part of the dispenser system.
1.1.5
Installation of a dispensing system is intended to be in accordance with ANSI/NFPA 52, or CSA B108, as applicable, and the requirements of the authority having jurisdiction (AHJ).
1.2
All dimensions used in this Standard are in metric units [International System of Units (SI)], unless otherwise specified. If a value for a measurement, as given in this Standard, is followed by an equivalent value in other units, the first stated is to be regarded as the specification.
1.3
All references to pressure throughout this document are to be considered gauge pressures unless otherwise specified.
1.4
Annex A contains clauses that are unique to Canada.
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 (nonmandatory) to define their application.
1.1
This Standard applies to newly produced gas-fired outdoor infrared patio heaters (see Clause 3) hereinafter referred to as heaters or appliances, constructed entirely of new, unused parts and materials for use with:
a) natural gas; or
b) propane.
1.2
The heaters covered by this Standard are intended for installation in and heating of residential or nonresidential spaces.
1.3
Infrared patio heaters may be suspended overhead, angle-mounted overhead, wall-mounted, floor-mounted or for tabletop use.
1.4
Patio heaters intended for tabletop use are those limited to input ratings of 24 000 Btu/hr (7034 W) or less. These units incorporate an integral self-contained propane gas supply system consisting of a maximum of two disposable 1 lb (0.45 kg) fuel capacity cylinders and operating at pressures not greater than 5 psi (34.5 kPa).
1.5
Infrared patio heaters not intended for tabletop use may be for connection to a) a fixed fuel piping system operating at inlet gas pressures not exceeding 1/2 psi (3.5kPa); or b) an integral self-contained propane gas supply system, provided the appliance incorporates mounting means for the attachment of a maximum of one cylinder limited to a maximum of 20 lb (9.1 kg) of fuel operating at regulated outlet with
i) pressure not exceeding 11 in wc (2.74 kPa); or
ii) pressures in excess of 11 in wc (2.74 kPa) but not greater than 5 psi (34.5 kPa).
1.6
Clause 2 contains a list of standards specifically referenced in this Standard and sources from which these reference standards may be obtained.
1.7
Special construction provisions applicable to an appliance designed for use with an optional listed conversion kit are outlined under Annex D.
1.8
Special construction provisions applicable to infrared heaters designed to operate at altitudes over 2000 ft (610 m) are outlined in Annex E.
1.9
If a value for measurement as given in this Standard is followed by an equivalent value in other units, the first stated value is to be regarded as the specification.
This Standard contains SI (Metric) equivalents to the yard/pound quantities, the purpose being to allow the standard to be used in SI (Metric) units. (IEEE/ASTM-SI-10 is used as a guide in making metric conversion from yard/pound quantities.) If a value is given for a measurement and an equivalent value in other units, the first stated is to be regarded as the requirement. The given equivalent value may be approximate. If a value for a measurement and an equivalent value in other units are both specified as a quoted marking requirement, the first stated unit, or both shall be provided.
1.10
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.
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.