Hazardous Areas Classification and Design

course number

RTO Number

RTO# 52698

course timing

Course Timing

7:30AM – 4:30PM



course id

Course ID

course schedule

Course Schedule

5 Days

course location


Perth, Brisbane & Adelaide

course objectives
  • To develop a Hazardous Area Classification (HAC) report and classify hazardous areas for gas/ dust atmospheres
  • To design and plan explosion-protected electrical systems and installations for gas/ dust atmospheres

UEENEEE071B Write Specifications For Electrical Engineering Projects
UEENEEM052A Classify Hazardous Areas – Gas Atmospheres
UEENEEM053A Classify Hazardous Areas – Dust Atmospheres
UEENEEM057A Design Explosion-Protected Electrical Systems and Installations – Gas Atmospheres
UEENEEM058A Design Explosion-Protected Electrical Systems and Installations – Dust Atmospheres


This qualification provides competencies to undertake
– hazardous area classification,
– plan and design installation of electrical equipment in hazardous areas (EEHA)
to AS/NZS standards 4761 and 60079.10.0 and 1.

target workforce

This course is for engineers involved in the classification of hazardous areas – the determination of (i) where in a facility the hazardous zones exist, and (ii) the properties of the zones identified.

This design part of the course is intended for electrical and instrumentation designers working in hazardous area industries. It focusses on equipment selection and installation design and documentation, including intrinsically safe system verification and maximum power dissipation calculations for increased safety installations.

An electrical engineering degree or diploma is desirable, but not essential. The HAC part of the course is most suited to chemical/process and electrical engineers (who most frequently perform the classification task) but is open to any degree-qualified engineer in the electrical, mechanical and process disciplines.
For the design part of the course, candidates must be able to demonstrate existing electrical or instrumentation design competency. This is best done by providing a CV and examples of design documents (e.g. electrical drawings, schedules, specifications etc.) that the candidate has produced.

Delivered at one of PMV’s national training centres (Perth, Brisbane & Adelaide), or at a client’s facility.



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course training method

Blended delivery of 40% theory and 60% practical training in a range of activities including some group classification and design work that you are likely to see in a typical industrial installation with electrical equipment in hazardous areas (EEHA).

training content

You will undergo theory and hands on practical training with qualified industry experienced trainers who are all currently practicing in the chemical, mineral processing and oil and gas facility. The course covers the following topics:
1. Properties of explosive gases/vapours and combustible dusts
2. Hazardous area classification (HAC) procedures and techniques for gas and combustible dusts atmospheres
3. Recommended methods for documenting the HAC
4. Protection techniques and Equipment selection
5. General design principles
6. Earthing requirements
7. EX i entity calculations
8. EX e motor protection and cable derating requirements
9. Maximum dissipated power calculations
10. Hazardous area classification project for gas and dust atmospheres

PMV offers a small size class with flexible training to accommodate difficult rosters / work schedules.



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