Electrical Equipment for Practical Hazardous Areas for Engineers and Technicians - One Day Refresher Training - Within Europe

THE WORKSHOP

This workshop provides you with an understanding of the hazards involved in using electrical equipment in potentially explosive atmospheres. This refresher workshop is suitable for you if you have a good understanding of the requirements for electrical equipment in hazardous areas (if not; contact us for further suggestions). It is based on the international IEC60079 series of standards that are now replacing many of the older national standards. Installation utilising Explosion-Protected (Ex) equipment can be expensive to design, install and operate. The wider approaches described in these standards can significantly reduce costs whilst maintaining plant safety.

The associated terminology and its correct use are explained throughout the workshop. It covers area classification, selection of explosion protected electrical apparatus as well as describing how protection is achieved and maintained in line with these international requirements. Standards require that engineering staff and their management are trained effectively and safely in hazardous areas and this workshop is designed to help fulfil that need.

WHO SHOULD ATTEND?

Anyone involved in design, specification, installation, commissioning, maintenance or documentation of industrial instrumentation, control and electrical systems, including:

  • Electrical and instrument tradespersons
  • Electrical engineers
  • Instrumentation and control engineers
  • Design engineers
  • Instrumentation technicians
  • Tradespersons working in Potentially Explosive Atmospheres (PEAs)

CONTENT SUMMARY

BACKGROUND TO HAZARDOUS AREAS

  • Definition of hazardous area
  • Flammability concepts
  • Ignition sources
  • Properties of gases, vapours, mists and dusts

CLASSIFICATION SYSTEMS

  • Area classification into zones
  • Equipment (apparatus) grouping

TYPES OF PROTECTION

  • Definitions
  • Principles
  • Application of:
    • Flameproof: Ex d
    • Increased safety: Ex e
    • Pressurisation: Ex p
    • Intrinsic safety: Ex i
    • Non-incendive: Ex n
    • Oil filling: Ex o
    • Powder filling: Ex q
    • Encapsulation: Ex m
    • Special: Ex s

EARTHING AND BONDING

  • Basic principles
  • Earthing requirements
  • Static protection
  • Lightning protection
  • Noise and interference control
  • Requirements for IS systems
  • System earthing approach

CODE OF PRACTICE FOR SELECTION AND INSTALLATION OF Ex EQUIPMENT

  • Application of code of practice
  • General requirements for all types of protection
  • Documentation requirements and the verification dossier
  • Cabling
  • Overview of requirements for individual Ex protection types
  • Dust installations overview

INSPECTION AND MAINTENANCE REQUIREMENTS

  • Inspection and maintenance definitions
  • Types of inspection
  • Initial detailed pre-commissioning
  • Inspection regimes and documentation
  • Record keeping

BREAKDOWNS - FAULT FINDING AND REPAIRS OF Ex EQUIPMENT

  • Planned maintenance
  • Use of tools
  • Procedures
  • Safe methods
  • Test equipment suitability

STANDARDS, CERTIFICATION, CERTIFICATES, MARKING AND APPROVALS

  • Authorities
  • Marking and identification
  • Component, equipment and systems certification
  • Systems descriptive documentation (for Ex i)

ATEX DIRECTIVES (EUROPE)

  • Introduction and Explanation
  • Non-electrical ignition – capable equipment protection
  • ATEX marking
  • DSEAR (UK) requirement summary

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