EN ISO 16647:2021
(Main)Nuclear facilities - Criteria for design and operation of confinement systems for nuclear worksite and for nuclear installations under decommissioning (ISO 16647:2018)
Nuclear facilities - Criteria for design and operation of confinement systems for nuclear worksite and for nuclear installations under decommissioning (ISO 16647:2018)
This document specifies the requirements applicable to the design and use of airborne confinement systems that ensure safety and radioprotection functions in nuclear worksites and in nuclear installations under decommissioning to protect from radioactive contamination produced: aerosol or gas.
The purpose of confinement systems is to protect the workers, members of the public and environment against the spread of radioactive contamination resulting from operations in nuclear worksites and from nuclear installations under decommissioning.
The confinement of nuclear worksites and of nuclear installations under decommissioning is characterized by the temporary and evolving (dynamic) nature of the operations to be performed. These operations often take place in area not specifically designed for this purpose.
This document applies to maintenance or upgrades at worksites which fit the above definition.
NOTE The requirements for the design and use of ventilation and confinement systems and for liquid confinement in nuclear reactors or in nuclear installations other than nuclear worksites and nuclear installations under decommissioning are developed in other ISO standards.
Kerntechnische Anlagen - Kriterien für die Planung und den Betrieb von Einschlusssystemen für Arbeitsplätze in der Kerntechnik und in stillgelegten kerntechnischen Anlagen (ISO 16647:2018)
Installations nucléaires - Critères pour la conception et l'exploitation des systèmes de confinement des chantiers nucléaires et des installations nucléaires en démantèlement (ISO 16647:2018)
Le présent document spécifie les exigences applicables à la conception et à l'exploitation de systèmes de confinement aéraulique assurant des fonctions de sûreté et de radioprotection dans les chantiers nucléaires et les installations nucléaires en démantèlement pour se prémunir des substances radioactives produites, sous forme d'aérosols ou gazeuse.
Les systèmes de confinement ont pour objet d'assurer la protection du personnel, du public et de l'environnement contre toute contamination radioactive résultant des processus mis en œuvre au sein des chantiers nucléaires et des installations nucléaires en démantèlement.
Le confinement des chantiers et des installations nucléaires en démantèlement est caractérisé par la nature temporaire et évolutive (dynamique) des opérations à réaliser. Ces opérations ont souvent lieu dans des zones qui ne sont pas spécifiquement conçues dans ce but.
Le présent document s'applique à la maintenance ou à la mise à niveau de chantiers qui répondent à la définition ci-dessus.
NOTE Les exigences requises pour la conception et l'exploitation des systèmes de ventilation et de confinement et pour le confinement de liquides des réacteurs nucléaires ou d'installations nucléaires autres que de chantier et d'installations nucléaires en démantèlement sont définies dans d'autres normes ISO.
Jedrski objekti - Merila za projektiranje in delovanje zadrževalnih sistemov za jedrska delovišča in jedrske naprave, ki so v razgradnji (ISO 16647:2018)
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
01-oktober-2021
Jedrski objekti - Merila za projektiranje in delovanje zadrževalnih sistemov za
jedrska delovišča in jedrske naprave, ki so v razgradnji (ISO 16647:2018)
Nuclear facilities - Criteria for design and operation of confinement systems for nuclear
worksite and for nuclear installations under decommissioning (ISO 16647:2018)
Kerntechnische Anlagen - Kriterien für die Planung und den Betrieb von
Rückhaltesystemen und Lüftungssysteme für kurzzeitige Arbeitsplätze und für
kerntechnische Anlagen, die rückgebaut werden (ISO 16647:2018)
Installations nucléaires - Critères pour la conception et l'exploitation des systèmes de
confinement des chantiers nucléaires et des installations nucléaires en démantèlement
(ISO 16647:2018)
Ta slovenski standard je istoveten z: EN ISO 16647:2021
ICS:
27.120.20 Jedrske elektrarne. Varnost Nuclear power plants. Safety
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 16647
EUROPEAN STANDARD
NORME EUROPÉENNE
August 2021
EUROPÄISCHE NORM
ICS 27.120.20
English Version
Nuclear facilities - Criteria for design and operation of
confinement systems for nuclear worksite and for nuclear
installations under decommissioning (ISO 16647:2018)
Installations nucléaires - Critères pour la conception et Kerntechnische Anlagen - Kriterien für die Planung
l'exploitation des systèmes de confinement des und den Betrieb von Einschlusssystemen für
chantiers nucléaires et des installations nucléaires en Arbeitsplätze in der Kerntechnik und in stillgelegten
démantèlement (ISO 16647:2018) kerntechnischen Anlagen (ISO 16647:2018)
This European Standard was approved by CEN on 25 July 2021.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 16647:2021 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
The text of ISO 16647:2018 has been prepared by Technical Committee ISO/TC 85 "Nuclear energy,
nuclear technologies, and radiological protection” of the International Organization for Standardization
(ISO) and has been taken over as EN ISO 16647:2021 by Technical Committee CEN/TC 430 “Nuclear
energy, nuclear technologies, and radiological protection” the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by February 2022, and conflicting national standards
shall be withdrawn at the latest by February 2022.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 16647:2018 has been approved by CEN as EN ISO 16647:2021 without any modification.
INTERNATIONAL ISO
STANDARD 16647
First edition
2018-09
Nuclear facilities — Criteria for design
and operation of confinement systems
for nuclear worksite and for nuclear
installations under decommissioning
Installations nucléaires — Critères pour la conception et
l'exploitation des systèmes de confinement des chantiers nucléaires et
des installations nucléaires en démantèlement
Reference number
ISO 16647:2018(E)
©
ISO 2018
ISO 16647:2018(E)
© ISO 2018
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland
ii © ISO 2018 – All rights reserved
ISO 16647:2018(E)
Contents Page
Foreword .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Functions ensured by the confinement . 4
5 Principles for radioactive substances confinement. 4
5.1 General principles . 4
5.2 Risk assessment procedure . 5
5.3 General requirements . 6
5.4 Confinement system . 6
5.4.1 General. 6
5.4.2 Case of a worksite containment located in an existing "confinement system" . 7
5.4.3 Case of a worksite containment located beyond any "confinement system" . 7
5.4.4 Summary of different natures and levels of confinement . 7
5.5 Static containment . 8
5.6 Dynamic confinement . 9
5.7 Air clean-up modalities before release . 9
6 Methodology and recommendation for confinement design . 9
6.1 Classification of the installation into working areas . 9
6.1.1 General. 9
6.1.2 Confinement area classification . 9
6.1.3 Other classifications for areas .10
6.2 Static containment design .10
6.3 Dynamic confinement design .11
6.4 Integrated confinement design (static-dynamic confinement) .12
6.5 Airtight bag and ventilated airtight bag .15
6.6 Protection against weather: sun, rain, wind, snow and extreme temperatures .16
6.7 Air-change rate .16
6.8 Air inlet filtration and air-transfer between confinement system .17
6.9 Air clean-up system design .18
6.9.1 Areas not classified under radiological dispersal.18
6.9.2 Areas classified under the radiological release .18
6.10 Connection to any existing ventilation networks .19
6.10.1 General.19
6.10.2 Worksite containment located in a building, room or enclosure equipped
with a nuclear ventilation .19
6.10.3 Worksite containment beyond any nuclear ventilation .20
6.10.4 Additional recommendations .21
6.11 Recommended ventilation configuration as function of confinement class .22
6.12 Worksite containment usually used .22
7 Recommendations concerning commissioning, monitoring and operation
of containment .23
7.1 General .23
7.2 Pre-commissioning inspection .23
7.3 Monitoring of the confinement .24
7.3.1 General.24
7.3.2 Monitoring of static containment .24
7.3.3 Monitoring of dynamic confinement .24
7.3.4
...
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