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Developing Standards and Linkage to IECEx

Developing Standards and Linkage to IECEx. Jim Munro Chairman IEC Committee TC 31 Chairman IECEx Panel Assessors Managing Director, Jim Munro International Compliance Pty Limited. Scope of Presentation. IEC TC 31 – Equipment for explosive atmospheres

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Developing Standards and Linkage to IECEx

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  1. Developing Standards and Linkage to IECEx Jim Munro Chairman IEC Committee TC 31 Chairman IECEx Panel Assessors Managing Director, Jim Munro International Compliance Pty Limited

  2. Scope of Presentation • IEC TC 31 – Equipment for explosive atmospheres • A short background on the standards development process • Recent and current developments • Developments in ISO Jim Munro International Compliance Pty Ltd

  3. IEC Technical Committee TC 31 • Equipment for explosive atmospheres - Technical Committee TC 31 • Secretariat - UK • Chairman - Jim Munro Jim Munro International Compliance Pty Ltd

  4. About TC 31 • TC 31 does not produce standards especially for the IECEx Scheme • Has been in operation much longer – for about 57 years • Aim is to produce international standards for the Ex field Jim Munro International Compliance Pty Ltd

  5. Technical Committee Scope • Title and Scope recently changed; scope now: • 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. Jim Munro International Compliance Pty Ltd

  6. TC 31 Composition • 3 sub-committees • 2 working groups • 11 Maintenance teams • 32 participating countries, called P-members • 12 observer countries Jim Munro International Compliance Pty Ltd

  7. Standards Development • Technical Committee (TC) • TC made up of National Committees • Subcommittees (SCs) to cover part of the work Jim Munro International Compliance Pty Ltd

  8. The Development Process New work proposal (NP) Possible working group drafts One or more Committee Drafts (CDs) Published Standard Final Draft International Standard (FDIS) Committee Draft For Voting (CDV) Jim Munro International Compliance Pty Ltd

  9. Some Recently Issued Standards Standards issued in last 12 months • Explosive gas atmospheres • 60079-15 Type of protection “n” • 60079-27 Fieldbus intrinsically safe concept (FISCO) • Combustible Dust • 61241-17 Selection installation and maintenance Jim Munro International Compliance Pty Ltd

  10. Some Major Changes Coming • Combining gas and dust • Revision and combination of 60079-12, -20 & -1.1 on data for Ex • Equipment protection levels (EPLs) Jim Munro International Compliance Pty Ltd

  11. Equipment Protection Levels • Gases • Ga – Very high • Gb – High • Gc – Normal • Dusts • Da – Very high • Db – High • Dc – Normal •  Underground Coal Mining • Ma – Very high • Mb – High Jim Munro International Compliance Pty Ltd

  12. Equipment Protection Levels Jim Munro International Compliance Pty Ltd

  13. Some Current Projects – Gas and Dust • 60050-426 Ed 2, IEV - CD • 60079-0 Ed 5, General – CD • 60079-19 Ed 2, Repair and Overhaul - CDV Jim Munro International Compliance Pty Ltd

  14. Some Current Projects - Gas • 60079-1 Ed 6, Ex d – CD • 60079-2 Ed 5, Ex p - CD • 60079-5 Ed 3, Ex q – CD • 60079-6 Ed 3, Ex o - CD • 60079-7, Ex e – CDV • 60079-11 Ed 5, intrinsic safety (IS)– CDV Jim Munro International Compliance Pty Ltd

  15. Some Current Projects – Gas ctd • 60079-26 Ed2, Zone 0 - CDV • 60079-29-1 &2 (previously 61779-1 to 6), gas detectors – CD • New 60079-28, optical radiation – CDV • 62086-1 & -2 Ed 2, trace heating – CDV • 62013-1 & -2, caplights – FDIS Jim Munro International Compliance Pty Ltd

  16. Some Current Projects - Dust • New 61241-11, IS for dust – FDIS • New 61241-17, insp & main for dust – FDIS Jim Munro International Compliance Pty Ltd

  17. Current Developments in ISO • Gas detectors for hydrogen - new work item proposal (NWIP)  hydrogen detectors approved by ISO/TC 197 • Non-electrical – 31/359/INF – ISO/TS/P 200 – proposed formation of ISO Committee for Ex Jim Munro International Compliance Pty Ltd

  18. Conclusion • With the advent and increasing acceptance of IECEx Scheme international standards in the Ex field are assuming critical importance. Jim Munro International Compliance Pty Ltd

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