25. Safety in Underground Works

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Safety in underground work is an extremely important area within the field of Occupational Safety. This chapter of our e-book course will delve into the details of this crucial topic, covering safety best practices, regulations and procedures to ensure a safe and secure work environment.

Underground work involves a variety of activities, including mining, tunnel construction, and maintenance operations in confined spaces. These activities present unique risks and challenges that require an expert approach to security. Lack of proper ventilation, the possibility of cave-ins and the presence of dangerous gases are just some of the potential hazards workers face.

First, it is essential to understand the regulations governing underground work. In Brazil, Regulatory Standard 22 (NR-22) establishes guidelines for occupational safety and health in mining, including underground work. This standard covers a range of topics, including ventilation, lighting, fire prevention, and emergency training.

Proper ventilation is a critical component of safety when working underground. Due to the lack of natural airflow, dangerous gases can build up, making the environment potentially deadly. Proper ventilation ensures that fresh air is constantly supplied while hazardous gases are removed. In addition, ventilation can help control temperature and humidity, improving worker comfort.

Another important aspect is the prevention of landslides. Underground structures must be adequately supported to prevent the ceiling or walls from collapsing. This can be achieved through the use of wooden, steel or concrete supports, depending on the type of soil and the depth of work. In addition, work areas should be regularly inspected for signs of instability.

Emergency training is another critical component of underground safety. Workers must know how to respond in an emergency, whether it be a landslide, fire or gas leak. This includes knowing evacuation routes, knowing how to use emergency equipment, and understanding rescue procedures.

In addition, workers must be equipped with appropriate personal protective equipment (PPE). This can include helmets, gloves, safety boots, gas masks and communication devices. PPE should be regularly inspected and maintained to ensure it is in good working order.

In conclusion, underground work safety is a complex area that requires a deep understanding of risks and safety best practices. Through this course, we hope you will acquire the knowledge and skills necessary to maintain a safe and secure work environment.

We will continue to explore other aspects of job security in the next chapters of our e-book course. Stay tuned to learn more about this vital topic and how you can apply these principles in your workplace.

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9226. Safety in Work with Radiation