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Are you learning about occupational safety when using a power trowel? This document provides detailed guidance on the necessary safety measures when operating a power trowel to ensure safety and efficiency. Learn about the basic principles and useful tips to avoid accidents and optimize the work process.

Table of Contents

PART I: CURRENT STATUS OF SAFETY WORK RELATED TO POWER TROWELS

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 when operating a power trowel

When operating a power trowel in construction projects, the risk of occupational accidents always exists. The use of a power trowel requires high attention and technical skills to ensure the safety of the worker. Below are some common accidents when operating a power trowel:

Risk of collision with obstacles: When operating a power trowel, the worker may not notice surrounding obstacles, such as electrical wires, pipes, or construction materials. Colliding with these objects can cause serious injuries.
Danger from moving on a dusty, wet surface: Power trowels are often used on fresh or newly finished concrete surfaces, making the ground slippery and dangerous when wet or dusty. The worker is at risk of falling or slipping while controlling the machine.
Risk of injury from vibration effects: The operation of the power trowel creates strong vibrations, which can cause musculoskeletal injuries and sprains if appropriate protective measures are not in place.
Accidents due to improper use: Workers who are not adequately trained on how to use a power trowel may be in danger due to improper technique. A lack of understanding of correct operation can also lead to accidents.
Risk of collision with other vehicles: In a construction environment, the movement of many vehicles and workers is common. The power trowel operator may be at risk of colliding with other vehicles.

To minimize occupational accidents when operating a power trowel, ensuring safety is crucial. It is necessary to comply with safety rules, provide adequate instructions and training for workers, and properly maintain machinery and equipment. Only by correctly implementing these measures can the risk of occupational accidents when operating a power trowel be significantly reduced.

PART II: OCCUPATIONAL SAFETY AND HEALTH WHEN OPERATING A POWER TROWEL

I. Introduction

A. Overview of the importance of occupational safety when operating a power trowel

Occupational safety is an extremely important factor in the process of operating a power trowel. When using a power trowel, workers must adhere to safety rules to ensure their own health and lives, as well as those of their colleagues. A power trowel is an industrial device whose main function is to smooth concrete surfaces, so it can cause many dangers if not operated correctly.
Applying appropriate safety measures not only helps to minimize occupational accidents but also increases the efficiency and work performance of the power trowel. Workers need to be trained and proficient in the operation and maintenance of the power trowel, including how to control and manage safety factors such as electrical, mechanical, and chemical hazards.
In addition, the use of personal protective equipment (PPE) is essential when working with a power trowel to protect the head, face, hands, and feet from the risks of injury due to impact, dust, noise, and vibration. Maintaining the power trowel in good working condition and keeping it clean also plays an important role in ensuring occupational safety when operating this equipment.

B. Important safety protocols and regulations when operating a power trowel

When operating a power trowel, safety protocols and regulations play a crucial role in protecting workers and ensuring work efficiency. First, it is very important to follow the manufacturer’s instructions. Before use, you must read and understand the machine’s user manual to know the specific safety regulations.
Second, it is necessary to ensure that the power trowel is regularly maintained. Check the mechanical parts, electrical system, and safety system before operation to ensure the machine operates stably and safely.
Third, it is necessary to use appropriate personal protective equipment (PPE). Wear safety glasses, a mask, a helmet, ear protection, gloves, and safety shoes to protect your head, face, hands, and feet from hazards during work.
Finally, always comply with safety regulations regarding electricity and machine operation. Do not use the power trowel near wet areas or flammable substances. Always turn off the power and shut down the machine when not in use.

II. Components and Functions of a Power Trowel

A. The different components of a power trowel

A power trowel is a construction device used to smooth concrete surfaces. The main components of a power trowel include:

Engine: This is the component responsible for providing the power to operate the machine. The engine is usually a gasoline or electric motor, depending on the type of machine.
Handle and control frame: This is the part that the user holds to control the machine. The operator can control the machine easily and comfortably.
Trowel blade: This is the main part of the machine, with the primary role of smoothing and polishing the concrete surface. The trowel blade can have different widths depending on the intended use and the size of the surface to be smoothed.
Drive system: This is the part that helps transmit power from the engine to the trowel blade. This system includes the drive shaft, transmission, and gearbox.
Protection and safety system: The power trowel is also equipped with protective parts such as a blade guard, a lever, and other safety mechanisms to ensure the operator’s safety.
Wheels and movement mechanism: For mobile power trowels, wheels and a movement mechanism are integrated for easy movement of the machine between different work locations on the construction site.

A power trowel is a complex device composed of many different components that work together to achieve the best work performance in smoothing and polishing concrete surfaces.

B. Structure and operating principle of a power trowel

A power trowel has a structure consisting of a trowel blade attached to the machine’s rotating shaft. The trowel blade is usually a flat, wide disc with a diameter of 24 to 48 inches (about 60 to 120 cm). When the machine is in operation, the trowel blade rotates on a horizontal axis, creating pressure and friction on the concrete surface.
The operating principle of a power trowel is to use the weight of the device and the rotational force of the trowel blade to smooth and polish the concrete surface. When the machine is operated, the weight of the machine and the operator is applied down to the trowel blade, creating the necessary pressure to smooth the concrete surface.
In addition, the power trowel can be adjusted for the tilt of the trowel blade to produce different work results on the concrete surface. This tilt can be adjusted by changing the angle of the machine’s control handle. Furthermore, the power trowel has a drive system from the engine to the trowel blade, which helps the machine operate seamlessly and efficiently.

C. Applications in the construction industry of a power trowel

A power trowel is an important piece of equipment in the construction industry, especially in the work of finishing concrete floor surfaces. In the construction industry, a power trowel is used to evenly trowel and smooth the concrete surface after it has been spread. The use of a power trowel helps improve the quality of the concrete surface, ensuring the aesthetics and durability of the structure.
A power trowel can be applied in many stages of the construction process. First, after the concrete is poured and filled, the power trowel will be used to smooth the surface, eliminate cracks, and ensure a complete floor. After that, the power trowel can be used to apply a surface coating, such as waterproof coatings or epoxy paint.
The benefits of using a power trowel in the construction industry are an increased speed of work completion and reduced fatigue for labor. In addition, the power trowel also helps to increase the durability of the concrete surface, reducing the risk of damage and saving on future maintenance costs. Thus, the application of the power trowel in the construction industry not only helps to improve the quality of the work but also enhances production efficiency and the aesthetic appeal of the construction product.

D. Risks associated with operating a power trowel

Operating a power trowel in the construction industry can present some risks and challenges that need attention. First, one of the main risks is occupational safety. The power trowel operates by rotating quickly and using cutting blades, so caution during operation is very important to avoid accidents and injuries to the user.
Second, a power trowel can cause loud noise and strong vibrations. Long-term exposure to noise and unfavorable vibrations can be harmful to workers’ health, causing fatigue and issues related to hearing and the nervous system.
In addition, operating a power trowel requires the user to have the skills and experience to control the machine accurately and effectively. Lack of experience can lead to damaging the concrete surface or causing unwanted scratches on the floor.

III. Safety Inspection and Maintenance Before Operating a Power Trowel

A. Safety inspection before operating a power trowel

Before operating a power trowel in construction work, a safety inspection is crucial to ensure the safe and effective operation of the equipment. First, perform a general inspection of the machine to ensure that no parts are damaged or missing. Examine the main components of the machine, such as the engine, wheels, control handle, and trowel blade, to ensure they are functioning normally and are not loose.
Next, check the electrical system and cables. Ensure that the electrical cord and adapter (if any) are not torn or damaged. The electrical system must be well-protected and insulated to avoid the risk of electric shock when operating the machine in a construction environment.
Then, check personal protective equipment (PPE) such as a helmet, mask, safety glasses, earplugs, and gloves. Ensure that everyone using the machine wears full PPE to protect themselves from hazards during work.
Finally, check the surrounding work environment. Remove unnecessary items and ensure there are no obstacles or other people obstructing the machine’s operation. Ensure the workspace is spacious and comfortable to avoid accidents and unwanted collisions.

B. Guide to periodic maintenance of a power trowel

To ensure a power trowel operates stably and effectively in construction work, periodic maintenance is very important. First, clean the machine after each use by removing dust, concrete, and grease that have accumulated on it. Ensure that parts like the trowel blade, control handle, and wheels are free of dirt and other contaminants.
Next, check the engine oil periodically to ensure the oil level is sufficient and in good condition. Change the oil according to the manufacturer’s maintenance schedule or after a certain number of operating hours to protect and maintain the engine’s performance.
In addition, check and adjust the belt tension if necessary to prevent excessive wear and ensure the machine’s smooth operation. Clean and lubricate the pivot points, rotating parts, and other mechanisms of the machine to ensure they are not rusted and operate smoothly.

IV. Safe Operating Procedure for a Power Trowel

A. Step-by-step guide on the safe operating procedure for a power trowel

To operate a power trowel safely and effectively in construction work, follow these steps. First, before starting the machine, ensure you have put on all personal protective equipment (PPE) such as a helmet, mask, safety glasses, earplugs, and gloves to protect yourself from potential hazards.
Next, perform a general inspection of the machine and ensure that all parts are functioning normally and there are no issues. Consider the surrounding work area and remove any unnecessary items to create a spacious and safe workspace.
When starting the machine, adjust the rotation speed of the trowel blade according to the manufacturer’s instructions and always maintain a stable speed during work. Always control the machine carefully and avoid contact with obstacles or other people while moving.
At the end of the job, ensure the machine is completely turned off and placed in a safe position. Clean and store the machine properly to maintain its performance and longevity.

B. Emergency handling measures and incident response mechanisms when operating a power trowel

Before operating a power trowel, it is necessary to be familiar with emergency handling measures and incident response mechanisms to deal effectively with problems that may arise. First, always keep a phone or emergency communication device nearby in case you need to contact the rescue team or a manager.
If an incident occurs during operation, immediately turn off the machine and disconnect the power source to prevent the hazardous situation from escalating. Thoroughly inspect the machine to determine the cause of the incident. If there are signs of serious damage or danger, immediately notify the responsible person and do not continue to use the machine until it has been repaired or re-inspected.
In the event of an accident or injury, first aid must be administered immediately by calling emergency services and providing first aid to the victim until the rescue team arrives. Do not move an injured person without guidance from professional rescue personnel.
After handling the incident, it is necessary to clarify the cause and learn from the experience to prevent similar problems in the future. Always adhere to safety regulations and operating instructions to minimize the risk of incidents when using a power trowel in a construction environment.

V. Risk Assessment and Hazard Management When Operating a Power Trowel

A. Identifying potential risks and hazards in operating a power trowel

During the operation of a power trowel, identifying potential risks and hazards is crucial to ensure the user’s safety. One of the main dangers is accidents due to collisions with obstacles or other people while moving the machine. Working in a construction environment with many objects and moving people requires constant vigilance to avoid unwanted collisions.
Another risk is the danger of injury from the trowel blade’s cutting edge. The trowel blade rotates quickly and can cause serious injuries if not controlled carefully. Users must always wear full personal protective equipment and limit direct contact with the trowel blade during operation.
In addition, risks related to noise and vibration are also a concern. A power trowel operates at a high noise level and creates strong vibrations that can affect the user’s health if not properly protected.
Finally, another potential hazard is the risk of electric shock. Therefore, it is necessary to check the electrical system and ensure that the circuits and wires are not damaged to avoid electrical accidents when using the machine.

B. Effective hazard prevention strategies when operating a power trowel

1. Regular inspection and maintenance of the power trowel for safe operation

To ensure the safe and effective operation of a power trowel, regular inspection and maintenance are very important. First, a general inspection of the machine should be carried out after each use to identify any accumulated dirt, concrete, or grease. Thoroughly clean the machine by cleaning parts such as the trowel blade, control handle, and other components to ensure they operate smoothly.
Next, perform periodic maintenance by checking the engine oil. Ensure the oil level is always sufficient and in good condition to ensure the machine’s stable operation. In addition, check and adjust the belt tension if necessary to prevent excessive wear and ensure the machine’s smooth operation.

2. Adherence to occupational safety regulations for the safe operation of a power trowel

To ensure the safe operation of a power trowel in a construction environment, adherence to occupational safety regulations is crucial. First, ensure that all employees and machine operators are trained in occupational safety and know how to use the equipment safely.
Next, always wear full personal protective equipment (PPE) such as a helmet, safety glasses, a mask, earplugs, and gloves when operating the power trowel. Wearing PPE correctly will minimize the risk of accidents and protect workers from potential hazards.
Adhere to specific safety rules when operating the machine, including limiting contact with moving parts like the trowel blade, avoiding parking the machine near obstacles, and not allowing unauthorized personnel without proper PPE near the work area.

3. Identifying and marking the safe zone when operating a power trowel

During the operation of a power trowel, identifying and marking a safe zone is very important to minimize the risk of accidents and ensure the safety of workers in a construction environment. First, identify the hazardous areas around the power trowel, such as the areas with the trowel blade’s cutting edge or moving parts. Mark these areas with warning signs or colored markings so that workers can recognize and stay away.
Next, identify and mark the safe zones around the power trowel, including areas where workers can move safely without direct contact with the machine or its hazardous parts. Ensure that these safe zones are kept clean and free of obstacles to avoid collision hazards.
Train and instruct employees on the safe and unsafe zones when operating the power trowel. Ensure that all employees understand and follow the instructions to avoid dangerous situations.

4. Use of personal protective equipment when operating a power trowel

When operating a power trowel, the use of personal protective equipment (PPE) is very important to ensure worker safety. First, wear a helmet to protect your head from falling objects and potential impacts in a construction environment.
Next, wear safety glasses to protect your eyes from debris, dust, and liquids that could affect your vision during machine operation. In addition, wear a mask or respirator to prevent inhaling dust particles and fumes in the air, especially when working in a dusty environment.
Always wear non-slip gloves to protect your hands from cuts, impacts, and to get a good grip when controlling the power trowel. In addition, wear earplugs to minimize the impact of loud noise from the power trowel on your hearing.

5. Emergency procedures and response in case of an incident when operating a power trowel

To prepare for incidents when operating a power trowel, emergency procedures and responses are crucial to ensure worker safety and prevent serious consequences. First, train employees on safety measures and emergency procedures for when an incident occurs. Ensure that all employees know how to shut off the machine’s power and stop the operation quickly when necessary.
In the event of an incident, prioritize immediately notifying the manager and rescue team. Direct employees to leave the hazardous area and ensure the safety of everyone around.
In addition, consider necessary rescue measures such as providing first aid to the injured or calling medical rescue services if needed. Always have emergency phone numbers and the work area address available to be able to contact and receive help quickly.

6. Participate in occupational safety training courses when operating a power trowel

Occupational safety and health training is not only a legal requirement but also a commitment to the safety and health of workers. It helps employees recognize and deal with risks and hazardous situations, thereby reducing accidents, injuries, or fatalities in their daily work.
The risk of accidents is always present and can occur at any time in the work environment due to the possibility of human error and the unpredictability of all situations. This emphasizes the need for occupational safety training and continuous vigilance.
When participating in occupational safety training at Nam Viet Safety Center, workers will be systematically trained from theory to real-life risk scenarios. Accordingly, there will be measures to identify and prevent occupational accident risks that may occur during work. After the training course, trainees will take occupational safety tests to obtain an occupational safety certificate. From there, workers will have a clear understanding of safety knowledge as well as a valid certification for employment.

VI. Factors Affecting Occupational Safety When Operating a Power Trowel

A. How do weather conditions affect the operation of a power trowel?

Weather conditions have a significant impact on the operation of a power trowel in a construction environment. First, the air temperature and humidity can affect the performance of the machine’s engine. In hot and humid weather, the engine may overheat and have difficulty cooling. Therefore, it is necessary to ensure the machine is operated in well-ventilated conditions and with appropriate humidity.
Rainy weather can also affect the operation of a power trowel because water can wet the concrete surface, reducing the grip of the trowel blade and causing it to slip. In rainy conditions, more caution is needed when controlling the machine and ensuring the safety of workers in a wet working environment.
In addition, cold weather can also affect the operation of a power trowel because the oil may thicken or the engine may be difficult to start. In this case, it is necessary to use oil appropriate for the temperature and ensure the machine is stored in a dry place to avoid problems caused by cold weather.

B. How does the working environment affect the operation of a power trowel?

The working environment has a significant impact on the operation of a power trowel in the construction industry. First, a clean and airy working environment will help ensure the machine’s performance. Dust and debris can hinder the machine’s operation and reduce the lifespan of its parts. Therefore, maintaining cleanliness and ventilation in the work area is very important.
Second, a high-humidity environment can affect the grip of the trowel blade on the concrete surface. If there is not enough grip, the power trowel can slip on the surface and reduce work efficiency. Controlling humidity and ensuring the concrete surface is dry and clean before operating the machine is essential.
In addition, a high-noise working environment can affect the health of workers. Wearing ear protection and complying with occupational safety regulations are necessary to protect hearing in a noisy work environment.

C. How does the technical condition of a power trowel affect its operation?

The technical condition of a power trowel has a very large impact on its operation and work performance in a construction environment. First, the machine’s engine needs to be maintained and inspected periodically to ensure stable operation. If the engine malfunctions or does not operate correctly, the power trowel may lose power and be unable to complete the job effectively.
Second, the main parts of the machine such as the trowel blade, drive system, and control system need to be inspected and maintained to ensure they operate smoothly and safely. The trowel blade needs to be checked for hardness and durability to avoid slipping and causing danger during operation.
In addition, the machine’s electrical and control systems also need to be checked to ensure there are no electrical problems during operation. Periodic technical maintenance and repair will help improve the reliability of the power trowel and reduce the risk of incidents during use.

D. How do the safety knowledge and skills of the worker affect the operation of a power trowel?

The safety knowledge and skills of the worker play an important role in the operation of a power trowel in a construction environment. First, understanding the safety principles and operating procedures of the machine is necessary to ensure the safety of oneself and others. Workers need to know how to properly use personal protective equipment (PPE) such as helmets, safety glasses, masks, gloves, and safety shoes.
Second, the skill of operating a power trowel also requires concentration and the ability to control the equipment accurately. Workers need to be trained and have experience in controlling a power trowel to avoid unexpected incidents during work. Knowing how to adjust the speed, pressure, and tilt of the machine according to the job requirements is also an important skill.
In addition, the skill to recognize and handle emergency situations also affects the safe operation of a power trowel. Workers need to know how to react quickly and correctly in the event of an incident or unexpected danger.

VII. Occupational Safety Training on Skills for Safe Operation of a Power Trowel

A. Why do power trowel operators need to be trained in occupational safety?

Power trowel operators need to be trained in occupational safety for several important reasons. First, occupational safety training helps operators understand and be aware of the potential dangers when working with a power trowel in a construction environment. Knowing and identifying potential risks will help them apply appropriate preventive and safety measures.
Second, occupational safety training provides operators with basic knowledge on how to correctly use personal protective equipment (PPE) such as helmets, safety glasses, masks, gloves, and safety shoes. Wearing adequate and proper PPE is necessary to protect workers from hazards during work.
In addition, occupational safety training helps operators understand the regulations, procedures, and techniques for operating a power trowel. They will know how to use the machine safely and effectively, avoid dangerous situations, and minimize the risk of accidents during work.
Finally, occupational safety training is a way to increase the reliability and professionalism of the operator. They will be more confident in their work and can contribute positively to maintaining a safe and effective work environment.

B. Where to get occupational safety training for operating a power trowel?

An Toan Nam Viet is a reputable and high-quality center specializing in occupational safety training in Vietnam today. With occupational safety training sessions held continuously at production workshops, factories, or construction sites across the country (63 provinces in Vietnam).
To ensure the effectiveness of the training, An Toan Nam Viet prepares carefully and meticulously, down to the smallest detail. From preparing tools, equipment, teaching aids to curriculum, materials, sound, and lighting.
The occupational safety training instructors at An Toan Nam Viet are experts with many years of experience in the field. They even have research works identifying hazards in all industries and how to prevent them.
The instructor’s lectures are drawn from practical experience and are conveyed in the most vivid and easy-to-understand way to the workers. These factors help workers feel comfortable during the learning period and absorb the taught knowledge well. Of course, the knowledge conveyed always adheres to Decree 44/2016/ND-CP. From there, they grasp many measures to prevent hazards and how to protect themselves. At the same time, they also apply it most appropriately in their actual work.

VIII. The Significance of Occupational Safety in Operating a Power Trowel

A. The importance of maintaining occupational safety in operating a power trowel

Maintaining occupational safety in the operation of a power trowel is very important and has significant importance in a construction environment. First, ensuring occupational safety helps to minimize the risk of accidents and injuries to the operator and surrounding personnel. A power trowel is an industrial device that features a fast-rotating and sharp trowel blade, so ensuring safety is crucial to avoid unwanted accidents.
Second, maintaining occupational safety also helps to increase work efficiency and minimize downtime due to incidents. When everyone in the work environment is trained and adheres to safety regulations, work can proceed more smoothly and effectively.
In addition, maintaining occupational safety enhances the reputation and image of the business in the construction industry. Companies that prioritize occupational safety often attract and retain more highly skilled employees who can work effectively in a safe environment.
Finally, maintaining occupational safety is the legal responsibility of every organization and business. Complying with occupational safety regulations not only helps to avoid legal issues but also protects employees and workers from unwanted risks and consequences.

B. Important safety measures to know before operating a power trowel

Before operating a power trowel, there are several important safety measures that workers need to know to ensure safety in a construction environment. First, ensuring the correct center of gravity and balance of the machine is very important. The operator needs to check and adjust the weight on the machine to avoid the risk of tipping or losing balance during operation.
Second, the use of personal protective equipment (PPE) is a basic and essential step. Ensuring you wear all equipment such as a helmet, safety glasses, a mask, gloves, and safety shoes will help protect the worker from hazards during work.
In addition, understanding the basic principles of operating a power trowel is necessary. The operator needs to know how to adjust the speed and pressure of the machine to suit each type of surface and specific job to achieve the best performance and ensure safety.
Finally, regular inspection and maintenance of the machine is also an important safety measure before operation. Ensure the machine’s main parts, engine, and control system are checked periodically to avoid unexpected incidents during work.

Complete the occupational safety training course to be issued an occupational safety card by the safety training center to complete the required documentation for work.