1 IEC standards for Equipment used in Environments for Explosive Atmospheres: a tool to enhance safety; business continuity and open international markets Jim Munro Chairman IEC Committee TC 31 Equipment for explosive atmospheres Managing Director Jim Munro International Compliance Pty Ltd

What is IEC Committee TC 31 and how does it operate? What standards is TC 31 responsible for? Enhancing safetyBusiness continuityOpen international markets Relationship Between TC 31 and the IECEx System 2

What is IEC Committee TC 31 and how does it operate? What standards is TC 31 responsible for? Enhancing safetyBusiness continuityOpen international markets Relationship Between TC 31 and the IECEx System 3

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 4 Jim Munro Compliance Pty Ltd

P-members - 35 O-members - 11 Brazil Argentina Mexico Latin America

P-members - 35 O-members - 11 Brazil Argentina Mexico Russia India China` South Africa B R I C S Latin America

What is IEC Committee TC 31 and how does it operate? What standards is TC 31 responsible for? Enhancing safetyBusiness continuityOpen international markets Relationship Between TC 31 and the IECEx System 7

Currently over 30 standards are published by TC 31 with 5 new standards well advanced One new standard on electrostatics has just been published. 8 Jim Munro 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 continuityOpen international markets Relationship Between TC 31 and the IECEx System 10

Reducing risk of explosion in areas with explosive gases or dusts due to: Electrical sparks or arcs Non-electrical ignition High temperatures 11

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 12

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. 13

14 Deepwater Horizon oil rig - Gulf of Mexico (2010)

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Result of Pike River Mine Explosion, New Zealand (2010)

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 19

What is IEC Committee TC 31 and how does it operate? What standards is TC 31 responsible for?Enhancing safetyBusiness continuity Open international markets Relationship Between TC 31 and the IECEx System 20

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. 21

What is IEC Committee TC 31 and how does it operate? What standards is TC 31 responsible for?Enhancing safetyBusiness continuityOpen international markets Relationship Between TC 31 and the IECEx System 22

All standards currently used in IECEx Certified Equipment Scheme are TC 31 electrical standards For the same scheme ISO/IEC is now applied for manufacturers For IECEx Certified Service Facilities Scheme the standard used is IEC 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 23

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 24

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