Standard Swedish standard · SS-ISO 21391:2019

Nuclear criticality safety - Geometrical dimensions for subcriticality control - Equipment and layout (ISO 21391:2019, IDT)

Status: Valid

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Standard Swedish standard · SS-ISO 21391:2019

Nuclear criticality safety - Geometrical dimensions for subcriticality control - Equipment and layout (ISO 21391:2019, IDT)
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Scope
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.

Subjects

Fissile materials (27.120.30)


Buy this standard

Standard Swedish standard · SS-ISO 21391:2019

Nuclear criticality safety - Geometrical dimensions for subcriticality control - Equipment and layout (ISO 21391:2019, IDT)
Subscribe on standards - Read more Dölj
Price: 875 SEK
standard ikon pdf

PDF

Price: 875 SEK
standard ikon

Paper

Price: 1 400 SEK
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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-80015306

Edition: 1

Approved: 8/28/2019

No of pages: 28