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Hazardous Area Classifications and Safety Training Course

Comprehensive Hazardous Area Classification training aligned with IEC 60079 and NFPA 497 standards.

Course Title

Hazardous Area Classification and Safety

Course Duration

1 Day

Competency Assessment Criteria

Practical Assessment and Knowledge Assessment

Training Delivery Method

Classroom (Instructor-Led) or Online (Instructor-Led)

Service Coverage

Saudi Arabia - Bahrain - Kuwait - Philippines

Course Average Passing Rate

98%

Post Training Reporting 

Post Training Report(s) + Candidate(s) Training Evaluation Forms

Certificate of Successful Completion

Certification is provided upon successful completion. The certificate can be verified through a QR-Code system.

Certification Provider

Tamkene Saudi Training Center - Approved by TVTC (Technical and Vocational Training Corporation)

Certificate Validity

2 Years (Extendable with additional training hours)

Instructors Languages

English / Arabic / Urdu / Hindi / Pashto

Training Services Design Methodology

ADDIE Training Design Methodology

ADDIE Training Services Design Methodology (1).png

Course Overview

This comprehensive Hazardous Area Classification and Safety training course provides participants with essential knowledge and practical skills required for identifying, classifying, and managing hazardous areas where explosive atmospheres may occur. The course covers fundamental area classification principles along with advanced techniques for zone and division determination, equipment selection, and safety system implementation.


Participants will learn to apply IEC 60079 series standards and NFPA 497 methodologies to ensure compliance with international safety requirements throughout various industrial applications. This course combines theoretical concepts with practical applications and real-world case studies to ensure participants gain valuable skills applicable to their professional environment while emphasizing personnel safety and asset protection.

Key Learning Objectives

  • Understand fundamental hazardous area classification principles and regulatory frameworks

  • Apply zone and division classification methodologies for different hazardous substances

  • Implement proper equipment selection and installation practices for explosive atmospheres

  • Develop effective ventilation and engineering control strategies

  • Support hazardous area safety through proper documentation and risk assessment

  • Apply proper inspection, testing, and maintenance protocols for hazardous areas

  • Evaluate ignition source control and prevention measures

  • Implement emergency response and incident management procedures

Group Exercises

  • Zone boundary determination exercise including (release rate calculations, dispersion modeling, ventilation assessment)

  • Equipment selection workshop including (protection concept matching, certification verification, installation planning)

  • Risk assessment simulation including (release scenario evaluation, consequence analysis, mitigation measures)

  • Classification drawing preparation including (plot plan development, equipment schedules, safety documentation)

Knowledge Assessment

  • Classification principles including (zone determination methods, division system application, material property evaluation)

  • Equipment selection including (protection concept matching, certification requirements, installation considerations)

  • Documentation requirements including (drawing preparation, risk assessment methods, compliance verification)

  • Safety procedures including (ignition source control, ventilation assessment, maintenance protocols)

Course Outline

1. Introduction to Hazardous Area Classification

  • Explosive atmosphere principles including (flammable gases, combustible dusts, vapor ignition, explosion triangle)

  • International regulatory framework including (IEC 60079 series, NFPA 497, API RP 500, local regulations)

  • Classification methodologies including (zone system, division system, comparison approaches)

  • Risk assessment principles including (probability analysis, consequence evaluation, risk mitigation)

  • Material safety data including (flash point, autoignition temperature, burning velocity, explosion pressure)


2. Zone Classification System (IEC Standards)

  • Zone 0, 1, 2 criteria including (continuous presence, likely presence, unlikely presence scenarios)

  • Zone 20, 21, 22 dust classification including (continuous dust cloud, likely dust cloud, unlikely dust cloud)

  • Release source evaluation including (continuous sources, primary grade sources, secondary grade sources)

  • Extent determination including (distance calculations, ventilation effects, physical barriers, dispersion modeling)

  • Dust accumulation assessment including (layer thickness, removal frequency, ignition sources, housekeeping practices)


3. Division Classification System (North American Standards)

  • Class I Division 1 & 2 including (normal operation presence, abnormal conditions, ventilation failure scenarios)

  • Class II & III classifications including (combustible dust, ignitable fibers, agricultural materials)

  • Group classifications including (Group A acetylene, Group B hydrogen, Group C ethylene, Group D propane)

  • Vapor density considerations including (heavier than air gases, lighter than air gases, dispersion patterns)

  • Ventilation requirements including (adequate ventilation, mechanical ventilation, natural ventilation, air changes)


4. Equipment Selection and Installation

  • Explosion protection concepts including (Ex d flameproof, Ex e increased safety, Ex i intrinsic safety)

  • Equipment certification including (ATEX marking, IECEx certification, CSA approval, FM approval)

  • Installation requirements including (cable entry systems, earthing arrangements, enclosure selection, spacing requirements)

  • Temperature classification including (T1-T6 ratings, surface temperature limits, thermal considerations)

  • Protection levels including (EPL Ga/Gb/Gc, equipment protection levels, installation zones)


5. Ventilation and Engineering Controls

  • Natural ventilation including (wind effects, thermal effects, opening calculations, effectiveness assessment)

  • Mechanical ventilation including (dilution ventilation, local exhaust ventilation, air change rates, fan selection)

  • Engineering control measures including (process isolation, inert gas blanketing, temperature control, static elimination)

  • Ignition source control including (hot surfaces, electrical equipment, mechanical sparks, electrostatic discharge)

  • Maintenance considerations including (permit to work systems, hot work procedures, equipment isolation, gas testing)


6. Documentation and Risk Assessment

  • Hazardous area drawings including (plot plans, equipment layouts, zone boundaries, classification schedules)

  • Risk assessment methodology including (HAZOP studies, FMEA analysis, QRA techniques, consequence modeling)

  • Classification reports including (methodology documentation, assumptions, calculations, recommendations)

  • Change management including (modification procedures, impact assessment, documentation updates, approval processes)

  • Compliance verification including (audit procedures, inspection checklists, corrective actions, continuous improvement)


7. HSE in Hazardous Area Operations

  • Process safety management including (hazard identification, risk assessment, management systems, performance indicators)

  • Operational safety including (permit to work, energy isolation, confined space entry, emergency procedures)

  • Personal protective equipment including (flame resistant clothing, respiratory protection, detection equipment, communication devices)

  • Emergency response including (evacuation procedures, fire suppression, gas release response, incident command)

  • Environmental protection including (emission control, spill prevention, waste management, regulatory compliance)


8. Quality Assurance in Hazardous Area Classification

  • ISO 9001 quality management including (documentation control, competence management, continuous improvement, customer satisfaction)

  • Classification accuracy including (verification methods, peer review, technical validation, periodic updates)

  • Equipment quality including (manufacturer certification, testing requirements, installation verification, performance monitoring)

  • Training and competency including (personnel qualification, certification maintenance, knowledge assessment, skill development)

  • Audit and inspection including (internal audits, third-party verification, compliance checking, corrective actions)


9. Case Studies & Group Discussions

  • Regional petrochemical facility classification including (refinery units, storage areas, loading facilities, maintenance zones)

  • Gas processing plant scenarios including (compression stations, separation units, flare systems, utility areas)

  • Manufacturing facility challenges including (paint booths, solvent storage, dust handling systems, packaging areas)

  • The importance of proper training in developing competent hazardous area classification personnel and ensuring workplace safety


Practical Assessment

  • Hazardous area classification exercise including (zone boundary determination, equipment layout assessment)

  • Documentation preparation including (classification drawings, equipment schedules)

Gained Core Technical Skills

  • Comprehensive hazardous area classification using IEC 60079 and NFPA 497 standards

  • Advanced zone and division determination for explosive atmosphere management

  • Equipment selection and certification verification for hazardous locations

  • Risk assessment methodologies including HAZOP and FMEA techniques for safety analysis

  • Documentation preparation and compliance verification for regulatory requirements

  • Ventilation design and engineering control implementation for ignition source management

Training Design Methodology

ADDIE Training Design Methodology

Targeted Audience

  • Safety Engineers working in hazardous industries

  • Process Engineers designing facilities with flammable materials

  • Electrical Engineers selecting equipment for explosive atmospheres

  • Maintenance Personnel working in classified areas

  • Project Engineers managing hazardous area projects

  • HSE Professionals overseeing safety compliance

  • Instrumentation Engineers installing field devices

  • Technical Managers responsible for facility safety

Why Choose This Course

  • Comprehensive coverage of both IEC 60079 and NFPA 497 classification systems

  • Integration of theoretical principles with practical classification exercises

  • Focus on industry best practices and international standards compliance

  • Hands-on exercises with real facility layouts and equipment selection

  • Exposure to modern hazardous area management techniques and digital tools

  • Emphasis on integrated safety approach combining engineering and administrative controls

  • Opportunity to learn from case studies based on regional industrial challenges

  • Development of critical skills for hazardous area classification and safety management

Note

Note: This course outline, including specific topics, modules, and duration, is subject to change and also can be customized based on the specific needs and requirements of the client.

Course Outline

1. Introduction to Hazardous Area Classification

  • Explosive atmosphere principles including (flammable gases, combustible dusts, vapor ignition, explosion triangle)

  • International regulatory framework including (IEC 60079 series, NFPA 497, API RP 500, local regulations)

  • Classification methodologies including (zone system, division system, comparison approaches)

  • Risk assessment principles including (probability analysis, consequence evaluation, risk mitigation)

  • Material safety data including (flash point, autoignition temperature, burning velocity, explosion pressure)


2. Zone Classification System (IEC Standards)

  • Zone 0, 1, 2 criteria including (continuous presence, likely presence, unlikely presence scenarios)

  • Zone 20, 21, 22 dust classification including (continuous dust cloud, likely dust cloud, unlikely dust cloud)

  • Release source evaluation including (continuous sources, primary grade sources, secondary grade sources)

  • Extent determination including (distance calculations, ventilation effects, physical barriers, dispersion modeling)

  • Dust accumulation assessment including (layer thickness, removal frequency, ignition sources, housekeeping practices)


3. Division Classification System (North American Standards)

  • Class I Division 1 & 2 including (normal operation presence, abnormal conditions, ventilation failure scenarios)

  • Class II & III classifications including (combustible dust, ignitable fibers, agricultural materials)

  • Group classifications including (Group A acetylene, Group B hydrogen, Group C ethylene, Group D propane)

  • Vapor density considerations including (heavier than air gases, lighter than air gases, dispersion patterns)

  • Ventilation requirements including (adequate ventilation, mechanical ventilation, natural ventilation, air changes)


4. Equipment Selection and Installation

  • Explosion protection concepts including (Ex d flameproof, Ex e increased safety, Ex i intrinsic safety)

  • Equipment certification including (ATEX marking, IECEx certification, CSA approval, FM approval)

  • Installation requirements including (cable entry systems, earthing arrangements, enclosure selection, spacing requirements)

  • Temperature classification including (T1-T6 ratings, surface temperature limits, thermal considerations)

  • Protection levels including (EPL Ga/Gb/Gc, equipment protection levels, installation zones)


5. Ventilation and Engineering Controls

  • Natural ventilation including (wind effects, thermal effects, opening calculations, effectiveness assessment)

  • Mechanical ventilation including (dilution ventilation, local exhaust ventilation, air change rates, fan selection)

  • Engineering control measures including (process isolation, inert gas blanketing, temperature control, static elimination)

  • Ignition source control including (hot surfaces, electrical equipment, mechanical sparks, electrostatic discharge)

  • Maintenance considerations including (permit to work systems, hot work procedures, equipment isolation, gas testing)


6. Documentation and Risk Assessment

  • Hazardous area drawings including (plot plans, equipment layouts, zone boundaries, classification schedules)

  • Risk assessment methodology including (HAZOP studies, FMEA analysis, QRA techniques, consequence modeling)

  • Classification reports including (methodology documentation, assumptions, calculations, recommendations)

  • Change management including (modification procedures, impact assessment, documentation updates, approval processes)

  • Compliance verification including (audit procedures, inspection checklists, corrective actions, continuous improvement)


7. HSE in Hazardous Area Operations

  • Process safety management including (hazard identification, risk assessment, management systems, performance indicators)

  • Operational safety including (permit to work, energy isolation, confined space entry, emergency procedures)

  • Personal protective equipment including (flame resistant clothing, respiratory protection, detection equipment, communication devices)

  • Emergency response including (evacuation procedures, fire suppression, gas release response, incident command)

  • Environmental protection including (emission control, spill prevention, waste management, regulatory compliance)


8. Quality Assurance in Hazardous Area Classification

  • ISO 9001 quality management including (documentation control, competence management, continuous improvement, customer satisfaction)

  • Classification accuracy including (verification methods, peer review, technical validation, periodic updates)

  • Equipment quality including (manufacturer certification, testing requirements, installation verification, performance monitoring)

  • Training and competency including (personnel qualification, certification maintenance, knowledge assessment, skill development)

  • Audit and inspection including (internal audits, third-party verification, compliance checking, corrective actions)


9. Case Studies & Group Discussions

  • Regional petrochemical facility classification including (refinery units, storage areas, loading facilities, maintenance zones)

  • Gas processing plant scenarios including (compression stations, separation units, flare systems, utility areas)

  • Manufacturing facility challenges including (paint booths, solvent storage, dust handling systems, packaging areas)

  • The importance of proper training in developing competent hazardous area classification personnel and ensuring workplace safety


Why Choose This Course?

  • Comprehensive coverage of both IEC 60079 and NFPA 497 classification systems

  • Integration of theoretical principles with practical classification exercises

  • Focus on industry best practices and international standards compliance

  • Hands-on exercises with real facility layouts and equipment selection

  • Exposure to modern hazardous area management techniques and digital tools

  • Emphasis on integrated safety approach combining engineering and administrative controls

  • Opportunity to learn from case studies based on regional industrial challenges

  • Development of critical skills for hazardous area classification and safety management

Note: This course outline, including specific topics, modules, and duration, is subject to change and also can be customized based on the specific needs and requirements of the client.

Practical Assessment

  • Hazardous area classification exercise including (zone boundary determination, equipment layout assessment)

  • Documentation preparation including (classification drawings, equipment schedules)

Course Overview

This comprehensive Hazardous Area Classification and Safety training course provides participants with essential knowledge and practical skills required for identifying, classifying, and managing hazardous areas where explosive atmospheres may occur. The course covers fundamental area classification principles along with advanced techniques for zone and division determination, equipment selection, and safety system implementation.


Participants will learn to apply IEC 60079 series standards and NFPA 497 methodologies to ensure compliance with international safety requirements throughout various industrial applications. This course combines theoretical concepts with practical applications and real-world case studies to ensure participants gain valuable skills applicable to their professional environment while emphasizing personnel safety and asset protection.

Key Learning Objectives

  • Understand fundamental hazardous area classification principles and regulatory frameworks

  • Apply zone and division classification methodologies for different hazardous substances

  • Implement proper equipment selection and installation practices for explosive atmospheres

  • Develop effective ventilation and engineering control strategies

  • Support hazardous area safety through proper documentation and risk assessment

  • Apply proper inspection, testing, and maintenance protocols for hazardous areas

  • Evaluate ignition source control and prevention measures

  • Implement emergency response and incident management procedures

Knowledge Assessment

  • Classification principles including (zone determination methods, division system application, material property evaluation)

  • Equipment selection including (protection concept matching, certification requirements, installation considerations)

  • Documentation requirements including (drawing preparation, risk assessment methods, compliance verification)

  • Safety procedures including (ignition source control, ventilation assessment, maintenance protocols)

Targeted Audience

  • Safety Engineers working in hazardous industries

  • Process Engineers designing facilities with flammable materials

  • Electrical Engineers selecting equipment for explosive atmospheres

  • Maintenance Personnel working in classified areas

  • Project Engineers managing hazardous area projects

  • HSE Professionals overseeing safety compliance

  • Instrumentation Engineers installing field devices

  • Technical Managers responsible for facility safety

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