Technical Name: IMPROVEMENT COURSE SAFETY AND HEALTH IN WORK WITH FLAMMABLES AND COMBUSTIBLES NR 20 – BASIC LEVEL IN ENGLISH
Reference: 55655
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NR20 Basic Course English
The objective of the NR20 Basic Course English is to develop the technical competence necessary for the participant to understand, interpret, and safely apply the operational requirements involved in working with flammable and combustible substances. Throughout the training, the student progresses from thermochemical concepts to prevention practices, connecting causes and effects and understanding how small process variations directly influence risk. This active approach expands situational awareness and strengthens decision-making in sensitive environments.
In addition, the course enables the professional to recognize hazards, control ignition sources, and respond accurately to scenarios that require immediate preparation. By continuously applying NR 20, the training creates a solid foundation that supports both legal compliance and operational efficiency. In this way, the participant becomes capable of working safely, consciously, and aligned with regulatory requirements.
Who needs Basic NR 20 training to work safely with flammables and combustibles?
Workers who handle, store, transfer or remain in operational areas with flammable and combustible substances require NR 20 Basic training. As they engage directly with processes capable of gerar vapors, ignition points and atmospheric hazards, they must operate with a precise understanding of risk control. This requirement ensures that every individual exposed to these materials acts with technical consistency and situational awareness.
The course also becomes essential for professionals who supervise operations or authorize work in flammable environments. By understanding how the NR 20 frames responsibilities and safety conditions, these individuals influence the integrity of the entire system. Consequently, they reduce operational variability and elevate the organization’s ability to prevent incidents.
NR20 Basic Course English: The training is required whenever operations introduce exposure to flammable substances
NR 20 Basic training becomes mandatory whenever a worker enters or performs activities in environments where flammable substances create operational exposure. This requirement ensures that each individual acts with technical mastery, understands the dynamics of vapor formation and maintains consistent control over ignition risks.
| Condition of Exposure | Need for NR 20 Basic Training |
|---|---|
| Entry into areas with flammable liquids or gases | Mandatory before beginning activities |
| Handling or transferring flammable products | Required prior to operational authorization |
| Support functions performed in classified areas | Required before accessing the environment |
| Interface with emergency or ignition control | Required to maintain system integrity |
Which controls are fundamental for safe operation with flammables?
Core controls establish the structure that keeps operations stable, preventing conditions that allow vapors, ignition sources or unsafe behaviors to converge. Without these controls, even routine tasks gain unpredictable layers of risk.
Procedural discipline
Environmental monitoring
Elimination of ignition sources
Correct use of protective equipment
Rapid communication in abnormal conditions
Why does NR 20 training significantly reduce fire and explosion risk?
NR 20 training reduces risk by reshaping how workers identify hazards, recognize changes in process conditions and sustain operational discipline. As participants learn how vapors behave, how ignition forms and how small deviations escalate, they operate with sharper perception and greater control. This proactive mindset pushes the risk curve downward.
The course also strengthens the connection between human behavior and engineered safety barriers. When workers understand how their actions interact with environmental factors, equipment interfaces and emergency procedures, they apply interventions earlier and more precisely. This alignment enhances both compliance and the overall resilience of the system.
Where should operational monitoring be prioritized during flammable handling?
Monitoring gains importance in zones where process variables shift quickly and vapor formation, friction or pressure changes can destabilize operations. These regions demand closer attention to ensure that early indicators of danger never go unnoticed.
| Area or Process | Reason for Monitoring |
|---|---|
| Storage zones of flammable liquids | Higher probability of vapor accumulation |
| Transfer and pumping points | Friction, leakage and static generation |
| Ventilation pathways | Influence on vapor dispersion and dilution |
| Equipment interfaces | Heat generation and possible ignition activation |
NR20 Basic Course English: Operational discipline is mandatory in flammable environments
Operational discipline forms the backbone of safe behavior in flammable contexts because it removes unpredictability from actions that could otherwise trigger ignition or vapor release. This consistency protects both the worker and the entire installation.
Consistent application of procedures
Verification before each task
Reporting deviations immediately
Continuous hazard recognition
Respect for safety boundaries
What factors determine whether a worker is fully competent to operate under NR 20 Basic?
Competence emerges when the worker connects theoretical understanding with real-time interpretation of operational dynamics. By identifying how vapor behavior, heat sources and atmospheric conditions interact, the individual acts with foresight, preventing scenarios that might evolve into fire or explosion. This capability reflects technical maturity and situational intelligence.
Competence also depends on the worker’s ability to apply control measures consistently. When procedural rigor, environmental perception and effective use of protective equipment coexist, the professional sustains a safety posture that aligns with NR 20 expectations. This integration shows that the individual not only learned the rules but internalized behavior patterns that elevate operational reliability.
What is the importance of NR20 Basic Course English?
The importance of the NR20 Basic Course English lies in raising the level of operational control and the worker’s ability to interpret risks associated with flammable and combustible materials. Since these substances exhibit unpredictable behavior depending on temperature, pressure, ventilation, and the presence of ignition sources, the course transforms technical knowledge into conscious action. In this way, the participant understands how small variations in the process can drastically alter the risk scenario, reinforcing the need for continuous operational discipline.
In addition, the course ensures direct alignment with the requirements of NR 20, strengthening legal compliance and reducing the likelihood of incidents involving fires, explosions, and hazardous atmospheres. By incorporating methods of prevention, hazard recognition, and initial emergency response, the professional becomes capable of acting with precision, protecting the integrity of the facility, and sustaining high standards of organizational safety.
Click the Link: Criteria for Issuing Certificates in accordance with the Standards
Certificate of Completion
NR 20 Basic Course in English
IMPROVEMENT COURSE SAFETY AND HEALTH IN WORK WITH FLAMMABLES AND COMBUSTIBLES NR 20 – BASIC LEVEL IN ENGLISH
Workload: 08 Hours
MODULE 1 – Regulatory Framework and Operational Responsibilities – 01 Hour
Regulatory interpretation for activities involving flammables
Roles, duties and organizational responsibility
Foundations of safe operation in facilities handling flammable substances
MODULE 2 – Fundamentals of Flammables and Combustibles – 01 Hour
Definitions of flammable liquids, vapors and gases
Flash point, flammability limits and autoignition characteristics
Thermochemical behavior and influence on operational safety
MODULE 3 – Classification of Facilities Handling Flammables – 01 Hour
Criteria for classifying facilities according to operational scale
Identification of hazard zones and installation categories
Technical documentation required for compliant classification
MODULE 4 – Ignition Sources and Risk Control – 01 Hour
Recognition of direct and indirect ignition sources
Static electricity, mechanical friction and arc generation
Control strategies to eliminate or minimize ignition potential
MODULE 5 – Personal Protective Equipment for Flammable Operations – 01 Hour
Selection criteria for protective clothing and equipment
Flame-resistant garments, gloves, footwear and respiratory protection
Inspection routines and limitations of personal protective systems
MODULE 6 – Hazard Recognition and Risk Assessment – 01 Hour
Identification of operational hazards involving flammable fluids
Evaluation of volatility, density and behavioral interactions
Use of work authorization processes for high-risk activities
MODULE 7 – Accident Scenarios and Emergency Preparedness – 01 Hour
Analysis of potential accidents involving leaks, spills and fires
Consequences of vapor cloud ignition and explosion phenomena
Structure of internal and external emergency response actions
MODULE 8 – Fire Behavior, Containment and First Aid Principles – 01 Hour
Understanding fire chemistry and combustion stages
Extinguishing methods and selection of appropriate agents
Fundamental first aid actions for burns, inhalation hazards and shock
Completion and Certification:
Practical Exercises (when contracted);
Evidence Records;
Theoretical Evaluation;
Practical Evaluation (when contracted);
Certificate of Participation.
NOTE:
We emphasize that the General Normative Program Content of the Course or Training may be modified, updated, supplemented, or have items excluded as deemed necessary by our Multidisciplinary Team. Our Multidisciplinary Team is authorized to update, adapt, modify, and/or exclude items, as well as insert or remove Standards, Laws, Decrees, or technical parameters they consider applicable, whether related or not. The Contracting Party is responsible for ensuring compliance with the relevant legislation.
NR 20 Basic Course in English
NR 20 Basic Course in English
Participants without experience:
Minimum workload = 16 class hours
Participants with experience:
Minimum workload = 08 class hours
Update (Refresher):
Minimum workload = 04 class hours
Update (Refresher): The employer must conduct periodic training annually and whenever any of the following situations occur:
a) change in procedures, conditions, or work operations;
b) event indicating the need for new training;
c) return from leave or inactivity for a period longer than ninety days;
d) change of company;
e) change of machine or equipment.
NR 18.14.2.1 Operators must have completed elementary education and must receive qualification and specific training on the equipment, with a minimum workload of sixteen hours and annual refresher training with a minimum workload of four hours.
NR 20 Basic Course in English
NR 20 Basic Course in English
Normative references when applicable to applicable devices and their updates:
NR 01 – Disposições Gerais e Gerenciamento de Riscos Ocupacionais (General Provisions and Occupational Risk Management)
NR-20 – Segurança e Saúde no Trabalho com Inflamáveis e Combustíveis (Safety and Health in Work Involving Flammables and Combustibles)
NR 23 – Proteção Contra Incêndios (Fire Protection)
ABNT NBR 17505 – Armazenamento de líquidos inflamáveis e combustíveis (Storage of Flammable and Combustible Liquids)
ABNT NBR 14619 – Armazenamento de líquidos inflamáveis e combustíveis – Controle de fontes de ignição (Storage of Flammable and Combustible Liquids – Control of Ignition Sources)
ABNT NBR 14277 – Instalações e equipamentos para treinamento de combate a incêndio – Requisitos (Installations and Equipment for Firefighting Training – Requirements)
American Heart Association – Guidelines for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care (Diretrizes de Ressuscitação Cardiopulmonar e Cuidados Cardiovasculares de Emergência)
ISO 10015 – Quality management – Guidelines for competence management and people development (Gestão da Qualidade – Diretrizes para Gestão de Competência e Desenvolvimento de Pessoas)
ISO 45001 – Sistemas de gestão de saúde e segurança ocupacional – Requisitos com orientação para uso (Occupational Health and Safety Management Systems – Requirements with Guidance for Use)
Note: This Service exclusively meets the requirements of the MTE (Ministry of Labor and Employment) when dealing with other bodies, inform in the act of request.
NR 20 Basic Course in English
NR 20 Basic Course in English
TECHNICAL CURIOSITIES – NR 20 BASIC COURSE IN ENGLISH:
Flash point changes everything
The flash point determines the moment when a liquid releases enough vapors to ignite. Two visually identical liquids can present completely different risks due to just a few degrees of difference in this value. In industrial operations, this variation alters entire safety procedures.
Explosion is not about speed, it is about pressure
Many people believe an explosion is synonymous with speed, but in the context of flammables what truly defines the event is the rapid rise in pressure. Poorly ventilated systems create perfect chambers for this sudden increase, causing damage far greater than the fire itself.
A cold warehouse does not mean low risk
Low temperatures reduce evaporation but do not eliminate risk. Flammable vapors remain present, only in lower concentration, and can reach flammability limits whenever they are moved, agitated, or unexpectedly heated.
Our pedagogical project follows the guidelines imposed by Regulatory Standard nº1.
After payment is made, Purchase Order, Contract signed between the parties, or other form of closing confirmation, the teaching material will be released within 72 working hours (up to 9 days), due to the adaptation of the syllabus and compliance with the Standards Techniques applicable to the scenario expressed by the Contracting Party; as well as other adaptations to the didactic material, carried out by our Multidisciplinary Team for technical language according to the student’s nationality and Technical Operational and Maintenance Instruction Manuals specific to the activities that will be carried out.
OTHER ELEMENTS WHEN APPLICABLE AND CONTRACTED:
Analysis of the Applicable Regulatory Standards;
Definition and interpretation of NR-20;
Verification of safety in activities involving Flammables and Combustibles;
Evaluation of installation classes involving Flammables and Combustibles;
Examination of protective equipment appropriate for the task;
Analysis of flammable and combustible fluids;
Observation of thermochemical properties;
Supervision of task-related inherent risks;
Inspection of personal protection for work with flammables;
Execution and control of ignition sources;
Risk Analysis and Work Permit;
Possible accidents and Emergency Response;
Basic emergency procedures;
Agile communication with specialist teams;
Recognition of rescue techniques;
Execution of fire containment techniques;
Firefighting systems;
Inspection of fires and Explosions;
Accident prevention and Explosive Atmospheres;
Basic first-aid procedures and concepts;
Activity Complements:
Awareness of Importance:
APR (Preliminary Risk Analysis);
PAE (Emergency Action Plan);
PGR (Risk Management Program);
Understanding the necessity of the Rescue Team;
The Importance of task knowledge;
Accident prevention and first-aid concepts;
Fire protection;
Risk perception and factors influencing people’s perceptions;
Impact and behavioral factors in safety;
Fear factor;
How to discover the fastest and easiest way to develop Skills;
How to control the mind while working;
How to manage and organize work time;
Why balancing energy during the activity is essential for productivity;
Consequences of Risk Habituation;
Work accident causes;
Concepts of Cause Tree;
Concepts of Fault Tree;
Understanding of Ergonomics;
Workstation Analysis;
Ergonomic Risks;
Hazard Communication Standard (HCS) – OSHA;
Practical Exercises:
Evidence Recording;
Theoretical and Practical Evaluation;
Certificate of Participation.
NR 20 Basic Course in English
Learn More: NR 20 Basic Course in English:
20.11 Worker Training
20.11.1 All training required by this NR must be carried out at the employer’s expense and during the company’s normal working hours.
20.11.1.1 The criteria established in items 20.11.2 to 20.11.9 are summarized in Annex II.
20.11.2 Workers who operate in Class I, II, or III installations and do not enter extraction, production, storage, transfer, handling, or manipulation areas of flammables and combustible liquids must receive information about hazards, risks, and emergency procedures.
20.11.3 Workers in Class I, II, or III installations who enter such areas but do not have direct contact with the process must complete the Integration Course on Flammables and Combustible Liquids.
20.11.4 Workers in Class I, II, or III installations who enter these areas and have direct contact with the process, performing specific, punctual, short-duration activities, must complete the Basic Course.
20.11.5 Workers in Class I, II, or III installations who maintain direct contact with the process performing maintenance and inspection activities must complete the Intermediate Course.
20.11.6 Workers in Class I installations who maintain direct contact with the process performing operation and emergency response activities must complete the Intermediate Course.
20.11.7 Workers in Class II installations performing operation and emergency response activities must complete the Advanced I Course.
20.11.8 Workers in Class III installations performing operation and emergency response activities must complete the Advanced II Course.
20.11.9 Occupational health and safety professionals who work in Class II and III installations and maintain direct contact with the process must complete the Specific Course.
20.11.10 Workers who completed the Basic Course and later require the Intermediate Course must complete an 8-hour complement, covering items 6, 7, and 8 of the Intermediate Course, including the practical component.
20.11.11 Workers who completed the Intermediate Course and require the Advanced I Course must complete an 8-hour complement, covering items 9 and 10 of the Advanced I Course, including the practical component.
20.11.12 Workers who completed the Advanced I Course and later require the Advanced II Course must complete an 8-hour complement, covering items 11 and 12 of the Advanced II Course, including the practical component.
20.11.13 Workers must participate in refresher training as determined by the employer, with the following frequency:
a) Basic Course: every 3 years, minimum 4 hours;
b) Intermediate Course: every 2 years, minimum 4 hours;
c) Advanced I and II Courses: annually, minimum 4 hours.
20.11.13.1 Immediate refresher training must occur when:
a) significant modifications occur;
b) a fatality occurs;
c) incidents involving explosions and/or second or third-degree burns requiring hospitalization occur;
d) the accident/incident history requires it.
20.11.14 Instructors of Integration, Basic, Intermediate, Advanced I, Advanced II, and Specific Courses must have proficiency in the subject.
20.11.15 Integration, Basic, and Intermediate Courses must have a technical organizer, who must also be one of the instructors.
20.11.16 Advanced I, Advanced II, and Specific Courses must have a legally qualified professional as the technical supervisor.
20.11.17 Certificates are issued only to workers who demonstrate satisfactory performance upon evaluation.
20.11.17.1 Certificates must contain: worker’s name, program content, workload, date, location, instructor name(s), and name/signature of the technical supervisor or course organizer.
20.11.17.2 Certificates must be delivered to the worker (with receipt), and a copy must be archived by the company.
20.11.18 Training participants must receive didactic material, either printed, electronic, or similar.
20.11.19 The employer must establish and maintain an identification system to ensure knowledge of each worker’s training status, and workers must visibly use the identification method.
S: NR 20
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NR 20 Basic Course in English: Contact us.
