BS ISO 21391:2019 - Nuclear criticality safety. Geometrical dimensions for subcriticality control. Equipment and layout

BS ISO 21391:2019

Nuclear criticality safety. Geometrical dimensions for subcriticality control. Equipment and layout

Status : Current   Published : August 2019

Format
PDF

Format
HARDCOPY



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
StatusCurrent
Publication Date14 August 2019
Normative References(Required to achieve compliance to this standard)ISO 12749-3, ISO 11311
Informative References(Provided for Information)ISO 1709
International RelationshipsISO 21391:2019
Draft Superseded By18/30342007 DC
DescriptorsNuclear fuel processing, Dimensions, Safety, Nuclear technology, Nuclear safety
ICS27.120.30
Title in FrenchSûreté-criticité. Dimensions géométriques pour garantir la sous-criticité. Dimensions d'équipements et cotes d'implantation
CommitteeNCE/9
ISBN978 0 580 94351 5
PublisherBSI
FormatA4
DeliveryYes
Pages24
File Size2.494 MB
Price£182.00


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