3.19. Occupational Safety Regulatory Standards (NRs): NR 20 - Safety and Health at Work with Flammable and Combustibles

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Regulatory Norm 20 (NR 20), entitled "Safety and Health at Work with Flammable and Combustibles", is one of the most important occupational safety norms. This standard was established to ensure the safety and health of workers who deal directly with flammable and combustible materials, which present a high risk of accidents and damage to health.

First of all, it is important to understand what NR 20 considers to be flammable and combustible. According to the standard, flammable substances are substances that can easily catch fire and burn, while combustibles are substances that can fuel this burning. Both can be found in many work environments, from gas stations and refineries to laboratories and chemical plants.

NR 20 establishes a series of requirements and procedures to ensure safety when working with these substances. For example, the standard requires that workplaces where flammable and combustibles are handled be properly identified and signaled. This includes placing warning signs and using specific colors to indicate the presence of these substances.

In addition, NR 20 also requires that workers receive adequate training on how to deal with flammable and combustibles. This training should address topics such as the nature of the risks associated with these substances, fire prevention and control measures, and emergency procedures in case of accidents. The training must be given by qualified professionals and must be renewed periodically.

Another important requirement of NR 20 is the implementation of risk control measures. This may include installing adequate ventilation systems, using personal protective equipment (PPE), and adopting safe work practices. The standard also requires employers to conduct regular risk assessments associated with working with flammables and combustibles, and to take steps to mitigate those risks.

NR 20 also establishes requirements for the storage and transport of flammable and combustibles. For example, the standard requires that these substances be stored in suitable containers and in specific locations, away from heat sources and areas of intense traffic. In addition, the norm states that the transport of these substances must be done in a safe way, using appropriate vehicles and following specific procedures.

In short, NR 20 is an essential standard to ensure the safety and health of workers who deal with flammable and combustibles. Its requirements and procedures must be strictly followed to prevent accidents and damage to health. It is therefore crucial that all workers and employers are aware of their rights and obligations under this standard.

In our e-book course, we will cover NR 20 in detail, providing a complete understanding of its provisions and how they apply in practice. In addition, we will provide practical guidance on how to implement the safety measures required by the standard, helping you to create a safer and healthier work environment.

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233.20. Occupational Safety Regulatory Norms (NRs): NR 21 - Open-air Work