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적용범위 | Preface This is the second edition of CSA N289.1, General requirements for seismic design and qualification of CANDU nuclear power plants. It supersedes the previous edition, published in 1980 under the title General requirements for seismic qualification of CANDU nuclear power plants. The CSA N289 series of Standards covers general requirements for seismic hazard evaluation, seismic design and qualification, and testing and monitoring. The CSA N289 series of Standards consists of this Standard and (a) CAN3-N289.2, Ground motion determination for seismic qualification of CANDU nuclear power plants; (b) CAN3-N289.3, Design procedures for seismic qualification of CANDU nuclear power plants; (c) CAN3-N289.4, Testing procedures for seismic qualification of CANDU nuclear power plants; and (d) CAN/CSA-N289.5, Seismic instrumentation requirements for CANDU nuclear power plants. This edition of CSA N289.1 has been restructured to act as an introduction to the CSA N289 series and to supplement the Standards in this series with current seismic qualification concepts and methodologies. In addition, means have been developed for demonstrating that nuclear power plant safety-related structures, systems, and components possess seismic capacity with very low probability of exceedance. The CSA N289 series provides general requirements for safe response to earthquake ground motions by monitoring ground motions, quantifying effects, and initiating operator actions, and by requiring seismic qualification and design of nuclear safety-related structures, systems, and components. Concrete containment structures (covered in the CSA N287 series of Standards), safety-related structures (covered in CSA N291), and systems and components required to safely shut down, cool, contain, and monitor the plant following a major earthquake should be seismically qualified using the CSA N289 series of Standards. The seismic qualification methods of the National Building Code of Canada (NBCC) may be used for those parts of CANDU® nuclear power plants that have no effect on nuclear safety, though the owner/licensee may elect to use the CSA N289 series in place of the NBCC. The CSA N289 series generally imposes more stringent seismic design requirements than the NBCC. Note: CANDU (CANada Deuterium Uranium) is a registered trademark of Atomic Energy of Canada Limited (AECL). The CSA N289 series specifies means for the seismic qualification of those nuclear power plant structures, systems, and components necessary for safe shutdown, fuel cooling, the containment of potential releases of radioactive material, and the monitoring and control of essential safety-related functions in the event of an earthquake. The nuclear facility owner/licensee may use the CSA N289 series to seismically qualify those parts of a nuclear facility required to prevent an unacceptable release of radioactive material to the environment in the event of an earthquake. The regulator might also require seismic qualification of nuclear facilities licensed under the Nuclear Safety and Control Act. Users of this Standard are reminded that the final approval for the seismic qualification of nuclear power plant structures, systems, and components is subject to the provisions of the Nuclear Safety and Control Act and its Regulations. Thus, requirements in addition to those specified in this Standard might be imposed by the Canadian Nuclear Safety Commission. This Standard was prepared by the Subcommittee on General Requirements for Seismic Design and Qualification of CANDU Nuclear Power Plants, under the jurisdiction of the Technical Committee on Seismic Design and the Strategic Steering Committee on Nuclear Standards, and has been formally approved by the Technical Committee. Scope 1.1 This Standard sets forth the general requirements for seismic design and qualification of CANDU nuclear power plants. 1.2 This Standard applies to all structures, systems, and components (SSCs) of CANDU nuclear power plants requiring seismic qualification based on nuclear safety considerations (see Annex A). This Standard may also be applied to other SSCs, as deemed appropriate by the owner/licensee or by regulatory agencies such as the Canadian Nuclear Safety Commission (CNSC). 1.3 This Standard was developed for nuclear power plants in regions of low to moderate seismic hazard, comparable to the levels near Canada's existing CANDU nuclear power plants. In regions of higher seismic hazard, the engineering required for reliable design under strong earthquake shaking is more complex, and is beyond the scope of this Standard. Therefore, while the provisions of this Standard can be applied to any nuclear power plant site, additional provisions might be required for high seismic hazard sites. 1.4 This Standard may be applied, as appropriate, to nuclear facilities under the jurisdiction of the Nuclear Safety and Control Act. 1.5 In CSA Standards, "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. |
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페이지수 | 105 |
Edition |
No. | 표준번호 | 표준명 | 발행일 | 상태 |
---|---|---|---|---|
1 | CSA N289.1:23 | General requirements for seismic design and qualification of nuclear power plants | 2023-01-01 | 표준 |
2 | CSA N289.1:18 (R2023) | General requirements for seismic design and qualification of nuclear power plants | 2018-01-01 | 표준 |
3 | N289.1-08 (R2013) | General requirements for seismic design and qualification of CANDU nuclear power plants | 2008-01-01 | 표준 |
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