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A document full of information on safety measures, risk control procedures, and advanced diagnostics, providing a complete understanding of safety in asphalt production.

Table of Contents

PART I: CURRENT STATE OF SAFETY IN THE ASPHALT PRODUCTION INDUSTRY

I. General Situation

The Ministry of Labour, Invalids and Social Affairs informs sectors and localities of the occupational accident situation in the first 6 months of 2024 and outlines key solutions to proactively prevent incidents and accidents in the last 6 months of 2024. According to reports from 61 out of 63 centrally governed provinces and cities, in the first 6 months of 2024, there were a total of 3,201 occupational accidents nationwide (a decrease of 227 cases, equivalent to 7.09% compared to the same period in 2023), resulting in 3,065 victims (a decrease of 197 people, equivalent to 6.04% compared to the first 6 months of 2023), including both employees under labor contracts and those working without labor contracts. Specifically:

Number of fatal occupational accidents: 320 cases, a decrease of 25 cases (7.25%) compared to the first 6 months of 2023 (including 245 cases in areas with labor relations, a decrease of 28 cases or 10.3%; and 75 cases in areas without labor contracts, an increase of 3 cases or 4.2% compared to the first 6 months of 2023);
Number of deaths due to occupational accidents: 346 people, a decrease of 7 people or 1.98% compared to the same period in 2023 (including 268 in areas with labor relations, a decrease of 13 people or 4.63%; and 78 in areas without labor contracts, an increase of 6 people or 8.33%).
Number of people seriously injured: 810 people, an increase of 26 people or 3.32% compared to the first 6 months of 2023 (including 710 in areas with labor relations, a decrease of 5 people or 0.7%; and 100 in areas without labor contracts, an increase of 31 people or 44.92%).

Download the PDF file Occupational Accident Report – First 6 Months of 2024 issued by the Ministry of Labour, Invalids and Social Affairs.

The occupational accident situation in the first 6 months of 2024 in both sectors with and without labor relations saw a decrease in the number of deaths and fatal accidents compared to the same period in 2023.

II. Some occupational accidents in asphalt production plants

In the asphalt production industry, occupational accidents sometimes have a major impact on the safety and health of employees. Below are some notable accidents in the history of this industry, emphasizing the causes and consequences to raise awareness about occupational safety and promote preventive measures.

Chemical Incidents: Some cases have occurred due to the handling and use of chemicals in the asphalt production process. Failure to follow safety procedures and a lack of understanding of the properties of the compounds can lead to explosions, toxic leaks, and health effects on workers.
Machinery Risks: In a factory environment, the use of large and complex machinery is unavoidable. However, technical failures, improper maintenance, or a lack of training can cause serious accidents, from collisions to unsafe equipment operation.
Lack of Protective Equipment: Some accidents occur because workers do not wear proper protective equipment, such as helmets, gloves, and safety glasses. This can increase the risk of injury and reduce the ability to respond to dangerous situations.
Inadequate Safety Training: The lack of adequate safety training for employees is a noteworthy issue. Workers who are not fully prepared with safety procedures and emergency measures may have difficulty dealing with dangerous situations.

By mentioning these accidents, we can learn from past experiences and apply measures to minimize risks, enhance occupational safety, and protect the health of those working in the asphalt production industry.

PART II: OCCUPATIONAL SAFETY AND HEALTH IN ASPHALT PRODUCTION

I. Occupational safety and health for employees operating stone and asphalt mixing machines to prepare for asphalt production

1. Job characteristics of operating a stone and asphalt mixing machine to prepare for asphalt production

During the operation of a stone and asphalt mixing machine to prepare for asphalt production, workers need to clearly understand the characteristics of this job to ensure the production process is efficient. This job requires special attention to controlling the exact amount and ratio between stone and asphalt, ensuring that this mixture meets specific technical requirements.

In addition, operating the mixing machine requires technical skills to adjust technical parameters, such as temperature and pressure, to ensure the mixing process is uniform and achieves the desired quality. Experts also need to monitor the process to detect and rectify technical problems immediately, helping to maintain the stability and efficiency of the mixing machine.

The job characteristics also include maintaining and servicing the mixing machine, ensuring that it always operates correctly and minimizing the risk of breakdowns. A broad understanding of the processes and safety regulations is important to ensure the safety of both the workers and the machinery.

2. Types of accidents during the operation of a stone and asphalt mixing machine to prepare for asphalt production

During the operation of a stone and asphalt mixing machine to prepare for asphalt production, various types of accidents can occur, posing many challenges to occupational safety. Some common accidents include the risk of fire and explosion due to contact between flammable substances during production and transportation.

Accidents frequently occur when the stability of the mixing machine is not maintained, leading to leaks or spills of hot asphalt. Fires and explosions can occur when there is high temperature and an explosive environment, requiring workers to strictly adhere to safety measures and quality control.

In addition, accidents can also arise from technical failures, for example, a breakdown or loss of control of the mixing machine. These situations pose a risk of injury to employees and cause property damage.

3. Causes of accidents when operating a stone and asphalt mixing machine to prepare for asphalt production

The causes of accidents during the operation of a stone and asphalt mixing machine to prepare for asphalt production can stem from many factors. One of the main causes is a lack of in-depth knowledge of the work process and the technical operation of the mixing machine. Workers need to have a solid understanding of how to adjust technical parameters, such as pressure and temperature, to avoid unwanted incidents.

A lack of technical competence and risk management skills is also a potential cause. Failure to properly implement safety measures, quality control, and regular maintenance can lead to incidents and accidents. Negligence in maintaining machinery, as well as not conducting regular checks, can create conditions for technical problems to arise.

Another factor is an unsafe work environment, where elements such as high temperature and pressure can increase the risk of fire, explosion, and accidents.

4. Measures to prevent accidents when operating a stone and asphalt mixing machine to prepare for asphalt production

To minimize the risk of accidents when operating a stone and asphalt mixing machine to prepare for asphalt production, implementing preventive measures and occupational safety training is important. First and foremost, ensure that all employees involved in the operation process have been trained on safety rules and machine operation techniques.

Strict adherence to safety procedures is a key factor in reducing risk. This includes wearing proper personal protective equipment, such as helmets, safety glasses, and heat-resistant clothing. Training the team on the correct use of tools and equipment is important to avoid dangerous situations.

Regular maintenance and inspection of the mixing machine is also an important preventive measure. This includes checking the machine’s safety system, performing proper technical maintenance, and implementing measures to prevent technical failures before they become major problems.

5. Occupational safety regulations when operating a stone and asphalt mixing machine to prepare for asphalt production

Occupational safety regulations when operating a stone and asphalt mixing machine are a crucial factor in ensuring a safe work environment and minimizing the risk of accidents. Employees involved in the operation must ensure they comply with safety rules, including wearing proper personal protective equipment such as helmets, safety glasses, and heat-resistant clothing.

The regulations also require that workers be fully trained on machine operation techniques and safety measures. Safety procedures must be carried out correctly, including regular inspection, maintenance, and repair of the mixing machine. Any technical problems that arise must be reported and rectified immediately to avoid unwanted accidents.

In addition, the regulations also define safety measures in case of an emergency, including evacuation procedures and how to respond to fires and explosions.

6. Handling emergency accidents when operating a stone and asphalt mixing machine to prepare for asphalt production

Handling an emergency accident situation when operating a stone and asphalt mixing machine is a crucial aspect of the occupational safety process. In the event of an accident, employees must immediately activate the emergency measures they have been trained on. This includes reporting immediately to activate emergency response teams and informing management about the situation.

Workers need to be trained to use safety equipment and respond to emergency situations such as fires and explosions. Evacuation procedures and safe areas must be clearly understood to ensure the safety of everyone in the work area.

Taking the right steps to control and minimize the consequences of the accident is also important. The use of fire extinguishers, first aid systems, and first aid measures can help reduce the risk of injury and protect the lives of employees.

II. Occupational safety and health for employees operating a kiln to heat a mixture of stone and asphalt in preparation for asphalt production

1. Job characteristics of operating a kiln to heat a mixture of stone and asphalt in preparation for asphalt production

The process of operating a kiln to heat a mixture of stone and asphalt plays a crucial role in the asphalt production chain. This job requires precision and a deep understanding of the technical characteristics of both main raw materials. During the heating process, stone and asphalt are combined in precise proportions to create a homogeneous and high-quality mixture.

Maintaining a stable kiln temperature is a decisive factor in ensuring the reaction process proceeds correctly. Temperature and pressure control equipment needs to be closely monitored to ensure stability and safety during operation. At the same time, this process also requires strict management of the amount of asphalt and stone added, ensuring the correct mixing ratio to achieve the desired product quality.

In addition, controlling the quality of the final product also requires a deep understanding of the standards and technical requirements.

2. Types of accidents during the operation of a kiln to heat a mixture of stone and asphalt in preparation for asphalt production

During the operation of a kiln to heat a mixture of stone and asphalt for asphalt production, there are several types of accidents that the factory needs to pay attention to in order to ensure safety and production efficiency. One of the common risks is temperature-related accidents, due to the inability to control the kiln temperature, which can lead to unwanted fluctuations in the chemical reaction process. This can cause fires, explosions, or a final product that does not meet the desired quality.

Safety accidents can also stem from the handling of asphalt chemicals, especially when adding them to the kiln. Uncertainty in this process can lead to the risk of explosion and fire. At the same time, the process of handling and storing stone is also a potential source of accidents, especially in the transportation and loading of stone into the kiln.

Another important aspect is accidents related to machinery and equipment. Failure to perform regular maintenance and safety checks can lead to breakdowns or disruptions in the production process.

3. Causes of accidents when operating a kiln to heat a mixture of stone and asphalt in preparation for asphalt production

The causes of accidents during the operation of a kiln to heat a mixture of stone and asphalt for asphalt production can stem from many different aspects. One of the main causes is a deficiency in the management and monitoring of temperature. If the kiln temperature is not controlled, the chemical reaction process can become unstable, leading to the risk of explosion or fire.

Causes related to chemical handling also contribute to accidents. Uncertainty in the process of adding asphalt to the kiln can lead to explosions and fires. In addition, problems with the process of handling and storing stone can also create risks if not carried out correctly.

Other causes include a lack of safety in the transportation and handling of raw materials, especially stone and asphalt. A deficiency in project management and equipment maintenance can also lead to breakdowns and disruptions in the production process.

4. Measures to prevent accidents when operating a kiln to heat a mixture of stone and asphalt in preparation for asphalt production

To ensure safety during the operation of a kiln to heat a mixture of stone and asphalt for asphalt production, implementing preventive measures is important. One of the most effective measures is to deploy a workplace environment monitoring system. In this way, factors such as temperature, pressure, and the concentration of chemicals in the work air can be monitored and evaluated.

In particular, workplace environment monitoring will help ensure that the kiln temperature is always stable, avoiding the risk of accidents due to uncontrolled temperature. At the same time, monitoring the concentration of chemicals in the work environment can help to detect any problems related to the handling of asphalt chemicals early, reducing the risk of fire and explosion and ensuring safety.

In addition, investing in occupational safety education and training for employees on preventive measures is also important.

5. Occupational safety regulations when operating a kiln to heat a mixture of stone and asphalt in preparation for asphalt production

Occupational safety regulations when operating a kiln to heat a mixture of stone and asphalt in the preparation of asphalt production play an important role in protecting employees and ensuring work efficiency. According to these regulations, wearing adequate personal protective equipment is mandatory, including helmets, safety glasses, and protective clothing to avoid direct contact with toxic substances and high temperatures.

In addition, the regulations also set requirements for regular inspection and maintenance of equipment, ensuring that all equipment operates correctly and safely. Training employees on safety measures and emergency response techniques is an important step in raising occupational safety awareness.

The regulations also focus on monitoring the temperature and pressure of the heating kiln. Ensuring that the work environment meets safety standards and preventing accidents that may occur due to unwanted fluctuations in temperature and pressure.

6. Handling emergency accidents when operating a kiln to heat a mixture of stone and asphalt in preparation for asphalt production

Handling an emergency accident situation when operating a kiln to heat a mixture of stone and asphalt in the preparation of asphalt production requires quick and safe response skills from the employees. In the event of a fire or explosion, the worker must immediately report the incident and activate the fire alarm system. At the same time, use firefighting equipment such as fire extinguishers and water sprayers to control and extinguish the fire.

In an evacuation situation, employees must promptly follow safety procedures and evacuation instructions to ensure their own safety and that of their colleagues. Conducting regular drills and training on handling emergency situations is important to enhance readiness and natural response in the event of an accident.

Furthermore, clearly defining the roles and responsibilities of each person in the team when an emergency occurs, such as calling for emergency services, contacting the manager, and reporting the accident. Accurate and timely information is key to minimizing damage and protecting the lives of employees.

III. Occupational safety and health for employees inspecting the quality of finished asphalt mixture

1. Job characteristics of inspecting the quality of finished asphalt mixture

In the process of inspecting the quality of finished asphalt mixture, experts often focus on many important characteristics to ensure the product meets technical standards and requirements. One of the most important factors is controlling the uniformity of the mixture, including the even distribution of components, such as bitumen, aggregate, and other additives.

Experts also pay attention to the crack resistance of the asphalt, an important characteristic to ensure the durability and lifespan of the road surface. At the same time, testing the elasticity and adhesion between the mixture and the road surface are decisive factors in the product’s effectiveness in real-world conditions.

During the inspection process, the use of accurate measuring devices such as a rheometer and a gyratory compactor is important to ensure the accuracy and consistency of the results. Experts also regularly collect samples from many different points of the product batch to ensure a complete and accurate representation for the quality inspection process of the finished asphalt mixture.

2. Types of accidents during the quality inspection of finished asphalt mixture

During the quality inspection of finished asphalt mixture, many notable types of accidents can occur. One of the common risks is the loss of safety due to interaction with equipment and machinery in the laboratory. Chemicals, especially bitumen, can create a hazardous environment if not handled properly, posing a risk of fire, explosion, and affecting the health of inspection staff.

In addition, accidents can occur from the improper use of measuring equipment, causing deviations in the quality inspection results. A lack of accuracy and regular maintenance of measuring devices can also lead to misunderstandings in the process of evaluating the quality of the asphalt mixture.

3. Causes of accidents when inspecting the quality of finished asphalt mixture

Accidents during the quality inspection of finished asphalt mixture are often due to several main causes. One of the important factors is a lack of deep understanding of the properties and hazards of the chemicals in the inspection process, especially bitumen. A lack of warning and safety awareness can lead to the occurrence of dangerous accidents, including fires, explosions, and environmental pollution.

In addition, a lack of accuracy in the use and maintenance of measuring equipment is also a significant cause. Equipment that does not ensure accuracy can lead to incorrect inspection information, causing confusion and wrong decisions about the quality of the asphalt mixture.

Furthermore, the human factor also plays an important role. A lack of attention, fatigue, and work pressure can lead to negligence in the inspection process.

4. Measures to prevent accidents when inspecting the quality of finished asphalt mixture

To ensure safety during the quality inspection of finished asphalt mixture, implementing preventive measures is extremely important. First, it is necessary to ensure that employees are fully trained on occupational safety and understand the risks associated with chemicals, especially bitumen.

The use of personal protective equipment, such as helmets, masks, gloves, and fire-resistant clothing, is extremely important to minimize risk. At the same time, maintain and regularly inspect measuring equipment to ensure accuracy and safety during the inspection process.

Another measure is to enhance supervision and strict control of work processes.

5. Occupational safety regulations when inspecting the quality of finished asphalt mixture

Occupational safety regulations during the quality inspection of asphalt mixture are a decisive factor in ensuring a safe and effective work environment. Employees need to comply with a series of safety measures, including the full use of personal protective equipment such as helmets, masks, gloves, and fire-resistant clothing.

The regulations also propose training employees on occupational safety, especially on the properties and risks of the chemicals used in the inspection process, such as bitumen. In addition, work processes need to be established clearly, especially the steps related to the handling of waste and hazardous materials.

6. Handling emergency accidents when inspecting the quality of finished asphalt mixture

In the event of an emergency accident while inspecting the quality of asphalt mixture, the situation handling process must be carried out quickly and systematically. First, protecting the lives and health of employees is the top priority. Immediately, they need to activate the alarm system and gather at the nearest safe point.

At the same time, it is necessary to notify the manager and the emergency response team if necessary. While waiting for assistance to arrive, employees should apply basic first aid measures if they are able, such as using first aid equipment and providing psychological support to those affected.

IV. Occupational safety and health for employees transporting finished asphalt mixture to the construction site

1. Job characteristics of transporting finished asphalt mixture to the construction site

The process of transporting asphalt mixture to the construction site requires professionalism and careful preparation from the relevant units. For the construction and road maintenance industry, this plays an important role in ensuring the quality and safety of the product.

First, the means of transport must be carefully selected, ensuring sufficient load-bearing capacity and that the circulation space is adequate for the asphalt mixture. Regular maintenance and technical checks will help to avoid problems on the road and ensure safety.

Not only that, the packaging and loading/unloading process also plays an important role. The asphalt mixture needs to be stored and transported at appropriate temperature and light conditions to avoid loss of quality. Carefulness in this process will directly affect the ability to continue construction work without unexpected incidents.

Organizing a team of professional and trained drivers is a key factor in ensuring that the asphalt mixture reaches the construction site safely and efficiently. This not only ensures the integrity of the product but also minimizes the risk of accidents and limits the impact on the environment.

2. Types of accidents during the transportation of finished asphalt mixture to the construction site

Types of accidents during the transportation of finished asphalt mixture to the construction site can have a major impact on both product quality and safety at the construction site. Some common risks include asphalt leakage due to improper packaging or equipment failure, causing loss of quality and the risk of accidents on the road.

Traffic accidents are also a major threat. This can include collisions, rollovers due to overloading, or unsafe driving. These incidents not only cause material loss but also threaten the lives of drivers and other road users.

Furthermore, if the required temperature for the asphalt mixture is not maintained, it can become thick and difficult to handle when it reaches the construction site. This not only affects the quality of the work but also increases the likelihood of occupational accidents.

3. Causes of accidents when transporting finished asphalt mixture to the construction site

The causes of accidents when transporting asphalt mixture to the construction site often stem from a few main factors. First, failure to comply with traffic safety rules is a significant cause. Drivers who do not maintain a safe speed, violate overloading regulations, or lack a sense of caution can lead to traffic accidents.

Failure to ensure safety during the packaging and loading/unloading process is also a risk factor. If proper safety measures are not taken when working with the asphalt mixture, leaks can occur, increasing the risk of accidents and affecting product quality.

Equipment and vehicle failures are another issue. If the vehicle is not regularly maintained or the equipment does not meet standards, it can cause problems on the road, affecting both traffic safety and the quality of the goods.

4. Measures to prevent accidents when transporting finished asphalt mixture to the construction site

To prevent accidents when transporting asphalt mixture to the construction site, implementing preventive measures is important. First, ensure that drivers comply with all traffic safety rules, maintain a safe speed, and avoid overloading, minimizing the risk of traffic accidents.

It is necessary to train and maintain a team of professional drivers who have a solid understanding of safety measures and transportation procedures. At the same time, inspect and regularly maintain the means of transport, ensuring they meet safety standards and have no technical faults.

During the packaging and loading/unloading process, the proper use of safety equipment is important. Employees need to be trained to avoid the risk of leakage and loss of quality. At the same time, ensure that this process takes place in ideal environmental conditions to maintain the stable temperature of the asphalt mixture.

5. Occupational safety regulations when transporting finished asphalt mixture to the construction site

Occupational safety regulations during the transportation of asphalt mixture to the construction site play an important role in ensuring the protection of the employees involved in this process. First, employees need to be trained on the use of personal protective equipment, including helmets, safety glasses, and chemical-resistant clothing to minimize the risk of contaminants and occupational accidents.

It is necessary to establish safe work areas, where there are adequate safety notices and instructions. This helps to reduce the risk of collisions and falling objects during the transportation and loading/unloading of the asphalt mixture.

The driving team must strictly adhere to safe driving rules, while also being trained to handle any emergency situation. Regular inspection and maintenance of the vehicle is also an important part of the safety regulations.

6. Handling emergency accidents when transporting finished asphalt mixture to the construction site

Handling an emergency accident situation during the transportation of asphalt mixture to the construction site requires quick thinking and preparation. In the event of a traffic accident, the driver must immediately report the incident, contact the relevant authorities, and ensure the safety of themselves and other road users.

If there is an incident during the loading/unloading or handling of the asphalt mixture, employees must use personal protective equipment and move out of the hazardous area. First aid measures should be implemented immediately, and notification of the emergency situation should be communicated to all relevant units.

The staff team needs to be trained in emergency handling skills, including how to use first aid equipment and how to prevent any negative impact on the environment.