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Hazardous Area and Explosive Atmosphere Course

Please find the full course description further down the page.

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  • Duration

    2 days

  • Language


  • Course code


  • Price

    BRL 1,280.00

    Excl. extras

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Health, Safety and Administration Fee

Applicable in: Macaé

BRL 45.00

Please make sure pre-requirements are met

Prerequisites: - Be more than 18 years old; - RG and CPF (brazilian); - Passport (expatriate); - Submit Occupational health certificate (ASO) or certificate of good physical and health condition; - Submit proof of education (minimum high school);

Hazardous Area and Explosive Atmosphere Course


To qualify the industrial area worker and maritime worker who deals directly or indirectly in activities in hazardous area.

Target Group

Industrial area and maritime workers who deal directly or indirectly in activities in hazardous area.


- RG and CPF;
- Passport (Expatriate);
- Have more than eighteen (18) years old;
- Have completed high school;
- Certificate of good physical and mental health conditions (ASO).


Multiple choice exam with minimum passing grade of 60%.

Validity: N/A

Course Contents

Theory– 14 Hours
Hazardous Area; A Non-Hazardous Area; Reasons for classification of areas; Explosive Atmosphere; Combustion; Fire Tetraedron; Oxidizer; Fuel; Combustible substances; Ignition; Sources of ignition; Radiant Energies; Chain reaction; Propagation; Rate of spread; Deflagration, Explosion and Detonation; Flash point, combustion point and ignition point; Process equipment: Tanks, pressure vessels, reactors, Boilers and Silos; Risk management; Danger; Risk; Types of risks; Preventive Measures; Risk analysis; Preventive actions with flammable liquids; How to manage risks of explosions; Illustrations of some explosions; Standardization and legislation; Penalties; Responsibilities; Tables of standards; Classification of areas and its characteristics; Procedure for classifying areas; Flammability limits; Air density; Relative density of gas and steam; Volatility; Minimum Ignition energy; Characteristics of dusts and fibers; Maximum surface temperature; Temperature classes; Maximum temperature for dusts and fibers; Group of Explosiveness; Zones 0, 1, 2 and 20, 21, 22; Demarcation of areas; Ventilation; Electrical Equipment; Containment; Segregation; Dilution; Limitation; Suppression; Types of protective equipment; Intrinsic Safety; Explosion-proof; Don't Ignitable; No Sparkling; Restricted Breathing; Limited Power; Protected Contacts; Pressurization; Increased Security; Immersion in oil; Immersion in sand; Encapsulated; Wrapper protection; Special; Tables of types of protection according to the zones; Conventional electrical equipment specification; Ex equipment specification; Protection level-EPL; Protection level tables according to EPL; Degrees of protection IP; Additional Letter; Supplementary Letter; IK Degree of protection; Ex equipment certification; Inspection of hazardous areas; Ex equipment repairs.

Technical Reference:
ABNT NBR IEC 60079-10-1, NR-20, NBR 15662, NR-10, NR-33, Portaria INMETRO 179/2010, ABNT NBR IEC 60079-17, ABNT NBR IEC 60079-19, ABNT NBR IEC 60079-0, ABNT NBR IEC 60079-14, ABNT NBR IEC 62262, ABNT NBR IEC 60529

  • Oil & Gas
  • Other Industries

Contact information


Av. Prefeito Aristeu Ferreira da Silva, 1277, Bairro: Novo Cavaleiros, Macaé - RJ, 27930070, Brazil

+55 21 2018 1058

Opens 7:30 AM on Monday

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