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The occupational safety document for operating gas systems provides important and detailed guidance on the safety measures to be followed when working with gas systems. From equipment inspection to accident prevention measures, this is an indispensable document for everyone involved in gas-related activities to ensure safety and avoid risks.

Table of Contents

PART I: CURRENT STATE OF SAFETY FOR WORK RELATED TO GAS SYSTEMS

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 While Operating Gas Systems

Operating a gas system can bring many benefits in industrial and household sectors, but it also comes with occupational safety risks if proper procedures and preventive measures are not followed. Below are some common occupational accidents when operating gas systems:

Gas leaks: Gas leaks can occur due to damage or incidents during the operation of the system. A gas leak can create a hazardous environment if not detected and dealt with promptly, leading to the risk of fire, explosion, and injury to workers.
Gas asphyxiation: Exposure to a large amount of gas in the air can cause asphyxiation. This can happen when there is an incident during the use or maintenance of the gas system, or due to a lack of knowledge about safe gas usage.
Fire and explosion: If safety measures are not followed, gas can create a high risk of fire and explosion. This can occur when gas comes into contact with a flame or an electrical spark, or due to a technical failure in the gas system.
Poisoning: Many types of gas, such as CO (carbon monoxide), can pose a risk of poisoning if exposed to at high concentrations. Workers may not realize the presence of toxic gas without appropriate protective measures.
Working in a high-pressure environment: Industries that use gas also often have to work in high-pressure environments, which can bring the risk of occupational accidents due to pressure-related issues.

To minimize the risks and occupational accidents related to operating gas systems, organizations need to comply with occupational safety regulations, provide training on safe gas usage, and regularly inspect and maintain the gas system according to proper procedures.

PART II: OCCUPATIONAL SAFETY AND HEALTH WHEN OPERATING A GAS SYSTEM

I. Introduction

A. Overview of the importance of occupational safety when operating a gas system

Occupational safety is an undeniably important factor when operating a gas system. For industries and households that use gas, maintaining a safe working environment is essential to protect the health and lives of workers. Occupational accidents can have serious consequences, not only harming workers but also affecting production efficiency and the reputation of the business.

When operating a gas system, a minor incident can lead to major consequences, from fires and explosions to the risk of poisoning. Detecting and preventing incidents becomes a crucial factor in maintaining occupational safety. At the same time, training employees on safe gas usage and preventive measures also plays a key role in minimizing the risk of accidents.

Besides that, complying with occupational safety regulations and standards is also an important part of operating a gas system. Organizations need to establish safe work procedures, conduct regular inspections and maintenance, provide appropriate personal protective equipment, and build a safe work culture to create a safe and effective working environment.

B. Important safety protocols and regulations when operating a gas system

Periodic inspection and maintenance: Ensure that the gas system is regularly inspected and maintained to detect and repair technical issues in a timely manner. This includes checking for leaks, damaged gas lines, and safety devices like gas shut-off valves.
Use of personal protective equipment: Provide and require workers to use proper personal protective equipment such as gas masks, safety glasses, and gloves to protect themselves from risks when working with gas.
Safe usage procedures: Develop and adhere to safe gas usage procedures, including fire and explosion prevention measures, instructions on how to handle gas correctly, and emergency measures in case of an incident.
Training and education: Ensure that all employees are fully trained in occupational safety when working with a gas system. This includes providing information on gas-related risks, how to use safety equipment, and emergency measures in case of an incident.
Compliance with legal regulations: Comply with the occupational safety regulations and standards of government agencies and industry management organizations. This includes conducting periodic safety inspections and reporting on issues related to occupational safety.

II. Components and Functions of a Gas System

A. The different components of a gas system

Gas Cylinder: The gas cylinder is the main container for storing gas. They are usually made from durable materials like steel and are designed to contain the high pressure under which the gas is stored as a liquid.
Gas Pipe: The gas pipe is the tubing used to transport gas from the cylinder to the appliances. They are usually made from durable and heat-resistant materials like steel or PVC plastic.
Valves and Safety Valves: Gas valves are used to control the flow of gas and prevent leaks. Safety valves are designed to relieve gas pressure when it exceeds a safe level, preventing the risk of explosion.
Regulator: The regulator is a device used to adjust the gas pressure from the cylinder to a safe level for use. They are usually installed on the gas pipeline.
Igniter: The igniter is used to activate and adjust the flame in gas-using appliances such as ovens or gas stoves.

B. Structure and operating principle of a gas system

A gas system has a complex structure but a simple operating principle. The structure of the system typically includes main components such as a gas cylinder, gas pipes, valves, a regulator, and gas-using appliances like a gas stove or oven.

The operating principle of a gas system is based on using pressure to control and transport gas from the cylinder to the appliances. When the gas cylinder is connected to the system, the pressure inside the cylinder creates a force that pushes the gas through the pipes and into the appliances. The regulator is used to reduce the gas pressure to a safe level for use.

When the gas reaches the appliances, such as a gas stove or oven, the igniter is activated to create a flame. The gas is ignited by the flame and burns, creating heat for cooking or heating.

Most importantly, the gas system needs to be designed and maintained correctly to ensure safety. Regular maintenance measures and safety checks help to detect and fix technical problems before they cause an accident. At the same time, training users on safety and how to use the gas system is also a crucial part of ensuring occupational safety.

C. Applications in the maintenance and installation industry of the gas system

Using gas as a heat source: Gas systems are used to provide temperature for equipment and production processes in industry, such as steam boilers, furnaces, or dryers.
Cooking and baking in restaurants and hotels: In the service industry, gas systems are used for cooking and baking food in restaurants, hotels, and other culinary establishments.
Backup gas systems: In medical, educational, and public facilities, backup gas systems are installed to provide a source of heat and energy in case of a power outage.
Maintenance and repair: Gas systems are also used in the process of maintaining and repairing other equipment and systems, such as heating systems, water heaters, and dryers.
Technological applications: Gas systems are also integrated into modern technological applications such as power supply systems for machinery, electronic devices, and automatic control systems.

D. Risks associated with operating a gas system

Gas leaks: Gas leaks are one of the biggest risks when operating a gas system. Leaks can occur for reasons such as damaged pipes, faulty valves, or incorrect installation. A gas leak not only creates a risk of fire and explosion but is also harmful to the health of workers and the environment.
Risk of fire and explosion: Gas is a flammable and explosive substance, so failure to follow safety procedures when operating a gas system can pose a risk of fire and explosion. Stimulation from a flame, an electrical spark, or high temperature can cause the gas to vaporize and create a major explosion risk.
Poisoning: Types of gas like CO (carbon monoxide) can pose a risk of poisoning if not properly ventilated or controlled. Exposure to high concentrations of CO can cause serious health problems for workers, including death.

– Usage incidents: Incidents can occur due to improper use or faulty equipment. This can cause problems such as over-pressurization, gas supply stoppage, or technical failures during use.

– Environmental impact: Unsafe gas use can have a negative impact on the environment, including air and water pollution. Waste gases from production and use processes can cause air pollution and affect the health of living organisms and ecosystems.

III. Safety Inspection and Maintenance Before Operating a Gas System

A. Safety checks before operating a gas system

Leak check:

– Pressure check: Check the pressure in the gas cylinder and on the gas pipeline to ensure there is enough pressure to supply gas to the appliances. The pressure must be at a safe level and appropriate for the equipment’s requirements.

– Safety valve check: Ensure the safety valve is working correctly by checking if the valve is fully closed. If the safety valve is not working correctly, it needs to be replaced or repaired immediately.

– Check gas-using equipment: Inspect gas-using appliances such as a gas stove or oven to ensure they are working correctly and have no safety issues. Make sure the igniter is working and there are no unwanted flames.

– Check ventilation: Ensure the ventilation system is working correctly to remove CO and other harmful gases. Make sure nothing is obstructing the ventilation system.

B. Guide to periodic maintenance of a gas system

Periodic checks:

– System cleaning: Ensure that the gas system is cleaned periodically to remove dirt, sediment, and other impurities that can clog gas lines or create a fire hazard.

– Replace faulty components: Replace faulty components such as gas lines, valves, regulators, and gas-using appliances when necessary to ensure the safety and performance of the system.

– Check ventilation: Ensure the ventilation system is working correctly to remove CO and other harmful gases. Clean and periodically inspect the ventilation ducts to ensure healthy air circulation.

– Training and education: Provide training and education to users on how to perform periodic maintenance on the gas system. Guide them to recognize

IV. Safe Operating Procedure for a Gas System

A. Step-by-step guide to the safe operation of a gas system

Pre-use inspection:

– Ensure ventilation: Before using gas, ensure the workspace has adequate ventilation to remove CO and other harmful gases. Open windows or doors to create fresh airflow.

– Turn on the gas safely: When turning on the gas, open the gas valve slowly and gently to avoid a sudden impact on the system. Use an igniter or match to light the flame.

– Check operation: After turning on the gas, carefully check if the flame is working correctly. Make sure there is no gas smell or any other sign of a problem.

– Work carefully: During gas use, always maintain attention and caution. Avoid leaving a flame burning uncontrolled and always turn off the gas after use.

– Respond to incidents: If an incident occurs, such as a gas leak or a malfunctioning flame, stop using the gas immediately and take emergency measures such as closing the gas valve and notifying a manager or the authorities.

B. Emergency procedures and incident response mechanisms when operating a gas system

Stop using gas immediately:

– Ensure everyone’s safety: When an incident occurs, ensure everyone’s safety by guiding them out of the hazardous area and avoiding contact with gas and flames.

– Call the fire and ambulance services: In case of a serious incident, call the local fire and ambulance services for assistance and to handle the situation.

– Inspect and repair the incident: If possible, inspect and repair the incident safely. However, only trained individuals with the necessary skills should perform gas-related repair work.

– Report the incident: After the incident has been handled, report it immediately to a manager or the relevant department so they can assess the situation and apply preventive measures to avoid recurrence in the future.

V. Risk Assessment and Hazard Management When Operating a Gas System

A. Identifying potential risks and hazards in operating a gas system

Gas leaks:

– Risk of fire and explosion: Gas is a flammable and explosive substance, so the risk of fire and explosion is always present when operating a gas system. Stimulation from a flame, an electrical spark, or high temperature can cause the gas to vaporize and create a major explosion risk.

– Poisoning: Some types of gas, like CO, can pose a risk of poisoning if not properly vented into the environment. Exposure to high concentrations of CO can cause serious health problems and even death.

– Equipment failure: Gas-using equipment such as a gas stove or oven can experience technical failures such as malfunctions or loss of safety features. Identifying and rectifying these failures in a timely manner is very important to prevent accidents.

– Lack of knowledge and training: Users of a gas system who lack knowledge about its use and safety can create dangerous situations. Providing comprehensive and periodic safety training is necessary to minimize this risk.

B. Effective hazard prevention strategies when operating a gas system

1. Regular inspection and maintenance of the gas system for safe operation

Leak check:

– Safety valve check: Ensure the safety valve is working correctly by checking if the valve is fully closed. Replace or repair the valve if necessary to ensure its effectiveness.

– Check gas-using equipment: Inspect appliances such as gas stoves, ovens, and heaters to ensure they are working correctly and have no safety issues. Make sure the igniter and adjustment mechanisms are working correctly.

– System cleaning: Clean the gas system to remove dirt, sediment, and other impurities that can clog gas lines or create a fire hazard.

2. Adherence to occupational safety regulations for the safe operation of a gas system

Training and coaching:

– Use of protective equipment: Ensure that all personnel use full and proper protective equipment such as safety masks, gloves, and fire-retardant and heat-resistant clothing.

– Adherence to operating procedures: Everyone must strictly follow the specified operating procedures, including how to turn the gas on/off, pre-use safety checks, and incident response.

– Incident reporting: Any incident or safety issue that arises during the operation of the gas system must be reported immediately to a manager or the relevant department for timely action.

– Maintaining hygiene and order: A clean and tidy work environment is a crucial factor in ensuring occupational safety. Ensure that the workspace is always kept clean and free of flammable or hazardous materials.

3. Identifying and marking safe zones when operating a gas system

Identify safe zones:

– Mark safe zones: Use signs, labels, or boundary lines to clearly mark the safe zones in the workspace. Ensure that the signs are placed in easily visible and understandable locations.

– Instruct employees: Train employees on the safe zones and explain why they are important. Instruct them to always maintain attention and follow safety rules when approaching those areas.

– Inspect and maintain safe zones: Perform periodic inspections and maintenance of the safe zones to ensure they remain reliable and safe. Remove any obstacles or hazards that could reduce the effectiveness of the safe zone.

4. Using personal protective equipment when operating a gas system

Safety mask:

– Safety gloves: Use safety gloves to protect your hands from chemicals and the risk of burns when in contact with gas.

– Fire-retardant and heat-resistant clothing: Especially important when working near a heat source or flame, fire-retardant and heat-resistant clothing helps to protect the body from the risk of burns.

– Safety glasses: Use safety glasses to protect your eyes from any chemicals or particles that could cause injury.

– Safety shoes: Safety shoes with non-slip and heat-resistant soles help to protect your feet from the risk of injury and burns.

5. Emergency procedures and response in case of an incident when operating a gas system

Personal protection:

– Stop system operation: As soon as an incident is detected, stop the operation of the gas system immediately to prevent potential risks.

– Shut off the gas source: Turn off the gas valve or gas supply to prevent the incident from spreading and to minimize the risk of fire and explosion.

– Establish a safe area: Guide everyone to leave the hazardous area and move to a safe area. Ensure no one is near the source of the gas leak or flame.

– Call fire and ambulance services: Immediately call the local fire and ambulance services for assistance and to handle the situation.

– Inspect and repair the incident: If possible and under safe conditions, inspect and repair the incident carefully or follow the instructions of an expert.

– Report the incident: After the incident has been controlled, report it immediately to a manager or the relevant department so they can assess the situation and apply preventive measures for the future.

6. Participate in occupational safety training courses for operating a gas system

Occupational safety and health training is not just a legal requirement but also a commitment to the safety and health of workers. It helps employees recognize and deal with risks and dangerous situations, thereby minimizing 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 human error and the unpredictability of situations. This emphasizes the need for occupational safety training and constant vigilance.

When participating in occupational safety training at the An Toan Nam Viet Center, workers will receive systematic training 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 firm grasp of safety knowledge as well as a valid certification for work.

VI. Factors Affecting Occupational Safety When Operating a Gas System

A. How weather conditions affect the operation of a gas system

Temperature:

– Rain and humidity: Rain and humidity can cause corrosion and damage to parts of the gas system, especially outdoor components like pipes and valves. This can lead to leaks and the risk of incidents.

– Strong wind: Strong wind can knock over lights, poles, and other objects onto gas lines, causing damage or leaks. In addition, wind can also reduce the efficiency of gas-using appliances if they are not protected or their position is not secure.

– Snow and ice: In a cold environment, snow and ice can freeze and block gas lines, creating a dangerous hazard if not removed promptly.

B. How the working environment affects the operation of a gas system

Confined spaces:

– Dirty environments: In environments with a lot of dirt, grease, or other harmful substances, the components of the gas system can become contaminated and break down quickly, creating a risk of leaks or fire and explosion incidents.

– Environments with a risk of fire and explosion: In environments with a high risk of fire and explosion, such as those with many flammable gases or heat sources, operating a gas system requires special caution to ensure safety.

– High humidity: An environment with high humidity can increase the risk of corrosion and damage to parts of the gas system, especially in areas with direct contact with water.

C. How the technical condition of the gas system affects its operation

Leaks and failures:

– Operating performance: If the components of the system are not working correctly, such as valves, pressure regulators, or storage tanks, it can reduce the system’s performance and cause incidents or safety risks.

– Lifespan and maintenance: A gas system needs to be regularly maintained to ensure its lifespan and effective operation. Neglecting maintenance can lead to unexpected incidents and safety risks.

– Reliability and resilience: A reliable gas system with the ability to recover after an incident is very important to ensure continuous and safe operation.

– Technology updates: New technology can provide better safety features and performance. Updating the system to use advanced technology can significantly improve the system’s performance and safety.

D. How the safety knowledge and skills of the worker affect the operation of a gas system

The safety knowledge and skills of workers play a crucial role in ensuring safety when operating a gas system. Here is how their knowledge and skills can have an impact:

Understanding of the system:

– Job execution skills: The skills to perform tasks such as inspecting, maintaining, and repairing the gas system correctly and safely are very important. Skill and meticulousness in the execution steps help to minimize the risk of incidents.

– Ability to respond in emergency situations: Having the knowledge and skills to react quickly and accurately in emergency situations, such as a gas leak or a fire/explosion incident, helps to minimize the risk of accidents and ensure safety.

– Safety mindset: The necessary knowledge and skills to assess situations correctly and apply appropriate safety measures, while also recognizing and avoiding dangerous situations.

In conclusion, the safety knowledge and skills of workers play a crucial role in ensuring safety when operating a gas system. Comprehensive and in-depth training and coaching are extremely important to ensure that they can perform their jobs safely and effectively.

VII. Occupational Safety Training on Skills for Safe Operation of a Gas System

A. Why operators of gas systems need occupational safety training

Protecting health and safety:

– Preventing incidents and losses: A person trained in occupational safety understands how to operate and maintain the system correctly, thereby minimizing the risk of gas leaks, fire/explosion incidents, and material losses.

– Complying with legal regulations: Occupational safety training helps to ensure that operators understand and comply with legal regulations and safety standards related to operating a gas system. This not only keeps them safe but also avoids legal penalties and economic losses for the organization.

– Enhancing work performance: Employees trained in occupational safety often have more confidence in their work. They understand their job and know how to perform it effectively, thereby enhancing work performance and service quality.

B. Where to get occupational safety training for operating a gas system?

An Toan Nam Viet is a reputable and high-quality occupational safety training center 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 meticulously, down to the smallest detail. From preparing tools, equipment, teaching aids to curriculum, materials, sound, and lighting.

The occupational safety trainers at An Toan Nam Viet are experts with many years of experience in the field. They even have research projects identifying hazards in all occupations and how to prevent them.

The instructors’ lectures are drawn from practical experience and are conveyed in a vivid, easy-to-visualize manner to the workers. These factors help workers feel comfortable during their study time and absorb the teaching 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. They also apply it most appropriately in their actual work.

VIII. The Significance of Occupational Safety in Operating a Gas System

A. The importance of maintaining occupational safety in the operation of a gas system

Protecting people:

– Minimizing property losses: Incidents in the operation of a gas system can cause large property losses, from equipment damage to having to pay compensation for environmental damage. By maintaining occupational safety, this risk can be significantly reduced.

– Complying with the law: Occupational safety regulations and standards are legally mandatory. Maintaining safety in the operation of a gas system not only keeps the organization in compliance with the law but also minimizes the risk of fines and legal risks.

– Reputation and image: Maintaining a safe and healthy work environment not only builds a reputation for the organization but also attracts and retains talented employees. This can create a positive feedback loop, enhancing production and work efficiency.

B. Important safety measures to know before operating a gas system

Thorough pre-use inspection:

– Use of personal protective equipment: During the operation of a gas system, workers should use personal protective equipment such as a respirator, chemical-resistant gloves, and safety glasses to protect their health and safety.

– Understanding of safety procedures: Training and understanding of safety procedures are important to ensure that operators know how to respond to dangerous situations effectively and safely.

– Perform periodic checks: Performing periodic checks and regular maintenance of the system helps to detect and fix problems early, minimizing the risk of incidents and ensuring safety.

– Correct response in emergency situations: Mastering the response measures in emergency situations such as a gas leak or a fire/explosion incident is very important to ensure the safety of everyone and the property.

occupational safety card

PHẦN III: Further Reading

1. Group 3 Occupational Safety Test

Group 3 Occupational Safety Multiple Choice Test

2. Price Quote for Occupational Safety Training Services

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