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ČSN EN IEC/IEEE 60980-344 (356683)
Nuclear facilities - Equipment important to safety - Seismic qualification
Translate name
STANDARD published on 1.1.2022
The information about the standard:
Designation standards: ČSN EN IEC/IEEE 60980-344
Classification mark: 356683
Catalog number: 513155
Publication date standards: 1.1.2022
SKU: NS-1045827
The number of pages: 92
Approximate weight : 307 g (0.68 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN IEC/IEEE 60980-344 (356683):
This International Standard describes methods for establishing seismic qualification procedures that will yield quantitative data to demonstrate that the equipment can meet its performance requirements. This document is applicable to electrical, mechanical, instrumentation and control equipment/components that are used in nuclear facilities. This document provides methods and documentation requirements for seismic qualification of equipment to verify the equipment´s ability to perform its specified performance requirements during and/or after specified seismic demands. This document does not specify seismic demand or performance requirements. Other aspects, relating to quality assurance, selection of equipment, and design and modification of systems, are not part of this document. As seismic qualification is only a part of equipment qualification, this document is used in conjunction with IEC/IEEE 60780-323. The seismic qualification demonstrates equipment´s ability to perform its safety function(s) during and/or after the time it is subjected to the forces resulting from at least one safe shutdown earthquake (SSE/S2). This ability is demonstrated by taking into account, prior to the SSE/S2, the ageing of equipment and the postulated occurrences of a given number of lower intensity operating basis earthquake (OBE/S1). Ageing phenomena to be considered, if specified in the design specification, are those which could increase the vulnerability of equipment to vibrations caused by an SSE/S2
Preview of the standard ČSN EN IEC/IEEE 60980-344 (356683)
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