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IEC standards for Equipment used in Environments for Explosive
Atmospheres: a tool to enhance safety; business continuity and open
international markets
Jim MunroChairman IEC Committee TC 31 Equipment for explosive
atmospheres
Managing Director Jim Munro International Compliance Pty Ltd
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What is IEC Committee TC 31 and how does it operate?
What standards is TC 31 responsible for?
Enhancing safety
Business continuity
Open international markets
Relationship Between TC 31 and the IECEx System
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What is IEC Committee TC 31 and how does it operate?
What standards is TC 31 responsible for?
Enhancing safety
Business continuity
Open international markets
Relationship Between TC 31 and the IECEx System
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� Established by IEC (International Electrotechnical Commission)
in 1948
� Scope of TC 31 Equipment for explosive atmospheres:
� To prepare and maintain international standards relating to
equipment for use where there is a hazard due to the possible
presence of explosive atmospheres of gases, vapours, mists or
combustible dusts
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P-members - 35O-members - 11
Brazil
Argentina
MexicoLatin Am
erica
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P-members - 35O-members - 11
Brazil
Argentina
Mexico
Russia
India
China`
South Africa
B R I C S
Latin Am
erica
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What is IEC Committee TC 31 and how does it operate?
What standards is TC 31 responsible for?
Enhancing safety
Business continuity
Open international markets
Relationship Between TC 31 and the IECEx System
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� Currently over 30 standards are published by TC 31 with 5 new
standards well advanced
� One new standard on electrostatics has just been
published.
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What is IEC Committee TC 31 and how does it operate?
What standards is TC 31 responsible for?
Enhancing safety
Business continuity
Open international markets
Relationship Between TC 31 and the IECEx System
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Reducing risk of explosion in areas with explosive gases or
dusts due to:
� Electrical sparks or arcs
� Non-electrical ignition
� High temperatures
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What is IEC Committee TC 31 and how does it operate?
What standards is TC 31 responsible for?
Enhancing safety
Business continuity
Open international markets
Relationship Between TC 31 and the IECEx System
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� The biggest impact that can happen to affect business
continuity is the disappearance of the business
� The following are some examples of business that have
disappeared.
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Deepwater Horizon oil rig - Gulf of Mexico (2010)
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Result of Pike River Mine Explosion, New Zealand (2010)
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� But any explosion or incident in a hazardous area will have a
major impact. These may include:
� Loss of life or injuries
� Loss of production
� Loss of property
� Impact of investigations and fines
� Cost of subsequent safety measures
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What is IEC Committee TC 31 and how does it operate?
What standards is TC 31 responsible for?
Enhancing safety
Business continuity
Open international markets
Relationship Between TC 31 and the IECEx System
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� The cornerstone of international trade is the availability of
common standards
� The best way to achieve this is through the use of an
international standards process involving all interested parties
with international standards being the end product
� This is the process we use in IEC in the development of our TC
31 standards
� These internation standards can then also provide the basis
for international certification.
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What is IEC Committee TC 31 and how does it operate?
What standards is TC 31 responsible for?
Enhancing safety
Business continuity
Open international markets
Relationship Between TC 31 and the IECEx System
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• All standards currently used in IECEx Certified Equipment
Scheme are TC 31 electrical standards
• For the same scheme ISO/IEC 80079-34 is now applied for
manufacturers
• For IECEx Certified Service Facilities Scheme the standard
used is IEC 60079-19 Equipment repair, overhaul and reclamation
• TC 31 standards also used for the new IECEX personnel
competencies scheme
• Chair of TC 31 is a member of the IECEx management committee
ExMC
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� The standards produced by IEC Committee TC 31 provide the
basis to have equipment complying with appropriate requirements to
provide confidence in:� Enhancing safety;
� Ensuring business continuity; and
� Facilitating international markets
� TC 31 standards form basis for IECEx System
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Thank you
Obrigado
Gracias
Cпасибо
谢谢
Dankie