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  • BSI
    BS ISO 21391:2019 Nuclear criticality safety. Geometrical dimensions for subcriticality control. Equipment and layout
    Edition: 2019
    $428.79
    / user per year

Description of BS ISO 21391:2019 2019

This document provides guidance, requirements and recommendations related to determination of limits on subcriticality dimensions and to their compliance with:

  • geometrical dimensions specified in the design (design dimensions), or,

  • actual dimensions.

This document is applicable to nuclear facilities containing fissile materials, except nuclear power reactor cores. This document can also be applied to the transport of fissile materials outside the boundaries of nuclear establishments. Subcriticality dimension control based on dimensions and layout of fuel assembly, fuel rods and fuel pellets are not covered by this document.

This document does not specify requirements related to the control of fissile and non-fissile material compositions.

The Quality Assurance associated with the fabrication and layout of the unit based on specifications (e.g. drawings elaborated during design) is a prerequisite of this document. The Quality Assurance is important to ensure the consistency between the unit geometry, its general purpose and its intended function.



Standard NumberBS ISO 21391:2019
TitleNuclear criticality safety. Geometrical dimensions for subcriticality control. Equipment and layout
StatusConfirmed
Publication Date2019-08-14
Identical National Standard OfISO 21391
DescriptorsNuclear fuel processing, Dimensions, Safety, Nuclear technology, Nuclear safety
ICS27.120.30 Fissile materials and nuclear fuel technology
CommitteeNCE/9
ISBN978 0 580 94351 5
PublisherBSI
Pages24

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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