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BS ISO 26802:2010

Current
Current

The latest, up-to-date edition.

Nuclear facilities. Criteria for the design and the operation of containment and ventilation systems for nuclear reactors
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-08-2010

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Functions ensured by the ventilation system
5 Architecture and description of the different ventilation
   systems
6 Safety aspects for ventilation systems
7 Requirements for the design of ventilation systems
8 Management of specific risks
9 Dispositions concerning the management and the operation
   of the ventilation systems
10 Control and instrumentation
Annex A (informative) - Typical radioactive products in nuclear
        reactors
Annex B (informative) - Examples of general confinement concepts
        for nuclear power reactors
Annex C (informative) - Examples of safety classification for
        nuclear power reactors
Annex D (informative) - Examples of classification of working
        areas according to radiological contamination hazard
Annex E (informative) - Example of classification of types of
        ventilation, according to radiological contamination
        hazard - Recommended ventilation configurations
Annex F (informative) - Existing requirements for aerosol filters
Annex G (informative) - Examples of loads to consider during the
        design of NPP ventilation systems
Annex H (informative) - Typical values of leaktightness for
        containment and ventilation systems and periodicities
        of associated controls
Annex I (informative) - Primary containment envelope status
Bibliography

Defines the applicable requirements related to the design and the operation of containment and ventilation systems of nuclear power plants and research reactors.

This International Standard specifies the applicable requirements related to the design and the operation of containment and ventilation systems of nuclear power plants and research reactors, taking into account the following.

For nuclear power plants, this International Standard addresses only reactors that have a secondary confinement system based on International Atomic Energy Agency (IAEA) recommendations (see Reference [10]).

For research reactors, this International Standard applies specifically to reactors for which accidental situations can challenge the integrity or leak-tightness of the containment barrier, i.e. in which a high-pressure or high-temperature transient can occur and for which the isolation of the containment building and the shut-off of the associated ventilation systems of the containment building is required.

For research reactors in which the increase of pressure or temperature during accidental situations will not damage the ventilation systems, the requirements applicable for the design and the use of ventilation systems are given in ISO17873. However, the requirements of this International Standard can also be applied.

Committee
NCE/2
DevelopmentNote
Supersedes 08/30151428 DC. (09/2010) Reviewed and confirmed by BSI, May 2016. (05/2016)
DocumentType
Standard
Pages
96
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 26802:2010 Identical

ISO 11933-4:2001 Components for containment enclosures — Part 4: Ventilation and gas-cleaning systems such as filters, traps, safety and regulation valves, control and protection devices
ASHRAE 52.1 : 0 GRAVIMETRIC AND DUST SPOT PROCEDURES FOR TESTING AIR CLEANING DEVICES USED IN GENERAL VENTILATION FOR REMOVING PARTICULATE MATTER
ISO 10648-1:1997 Containment enclosures — Part 1: Design principles
ASHRAE 52.2 : 2017 METHOD OF TESTING GENERAL VENTILATION AIR-CLEANING DEVICES FOR REMOVAL EFFICIENCY BY PARTICLE SIZE
NFX 44 060 : 1993 AIR CLEANING EQUIPMENT - OIL MUST GAS PURIFIERS WITH INTEGRAL FAN FOR SCREW-CUTTING INDUSTRY - TEST METHOD
ASME AG 1 : 2012 CODE ON NUCLEAR AIR AND GAS TREATMENT
EN 779:2012 Particulate air filters for general ventilation - Determination of the filtration performance
ISO 17873:2004 Nuclear facilities Criteria for the design and operation of ventilation systems for nuclear installations other than nuclear reactors
EN 1822-2:2009 High efficiency air filters (EPA, HEPA and ULPA) - Part 2: Aerosol production, measuring equipment, particle counting statistics
DIN 24185-2:1980-10 METHOD OF TESTING AIR FILTERS USED IN GENERAL VENTILATION - FILTER CLASSIFICATION, MARKING, TEST
ISO 2889:2010 Sampling airborne radioactive materials from the stacks and ducts of nuclear facilities
ISO 8421-1:1987 Fire protection — Vocabulary — Part 1: General terms and phenomena of fire
DIN 24185-1:1980-10 METHOD OF TESTING AIR FILTERS USED IN GENERAL VENTILATION - TERMS, UNITS, METHODS
ISO 10648-2:1994 Containment enclosures — Part 2: Classification according to leak tightness and associated checking methods
EN 1822-4:2009 High efficiency air filters (EPA, HEPA and ULPA) - Part 4: Determining leakage of filter elements (scan method)
ISO 15080:2001 Nuclear facilities — Ventilation penetrations for shielded enclosures

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