Hazardous Areas Training

CONTENT SUMMARY

BACKGROUND TO HAZARDOUS AREAS

¨       Explosion Consequences

¨       Definition of Hazardous Area

¨       Properties of Gases

¨       Flammable Gases, Vapours and Ignition Sources

¨       Protection Requirements

ZONES AND DEFINITIONS

¨       Classification of Apparatus

¨       Apparatus Grouping and Temperature

¨       Principles of Ex Protection

¨       Flameproof Concept Ex d

FLAMEPROOF CONCEPT EX D

INTRINSIC SAFETY CONCEPT EX I

INCREASED SAFETY CONCEPT EX E

NON SPARKING CONCEPT EX N

PURGE AND PRESSURISATION CONCEPT EX P

COMBINED AND OTHER METHODS OF PROTECTION

ELECTRICAL HAZARDS, EARTHING AND BONDING AND TESTING

¨       Basic Principles

¨       Requirements for IS Systems

¨       Noise and Interference Control

¨       Earthing requirements

¨       System Earthing approach

¨       Static Protection

¨       Lightning Protection

STANDARDS, CERTIFICATION, CERTIFICATES, MARKING AND APPROVAL

¨       Authorities

¨       Marking and identification

¨       Apparatus Certification

¨       Systems Certification

¨       Systems Descriptive Documentation

¨       Interconnected apparatus

¨       Systems Approach

¨       Safety Descriptions

¨       Codes of Practice

¨       National Standards

CODE OF PRACTICE FOR SELECTION AND INSTALLATION OF EX EQUIPMENT INSTALLATION

¨       Safe Area Requirements

¨       Safe Area Apparatus

¨       Interconnecting cabling

¨       Hazardous area junction boxes

¨       Hazardous Area apparatus

MAINTENANCE, FAULT FINDING AND REPAIRS OF EX EQUIPMENT

¨       Planned Maintenance

¨       Use of Tools

¨       Procedures

¨       Safe Methods

¨       Test equipment suitability