Emergency Plan for Natural Gas Pipeline Leakage Incidents

Characteristics of the accident

1.1 Types of Accidents

(1) Due to the construction of third-party cross engineering, the pipeline was damaged and ruptured, resulting in a large amount of natural gas leakage inside the pipeline;

(2) Corrosion and perforation of the pipeline body cause natural gas leakage;

(3) The pipeline was maliciously damaged by criminals, causing a large amount of natural gas leakage;

(4) The event of a large amount of natural gas leakage caused by natural disasters such as floods and earthquakes, resulting in floating pipes, suspension, deformation, or breakage.

1.2 Hazard level analysis

(1) The natural gas pipeline has been damaged due to rough construction of surrounding projects, malicious damage by third parties, or natural disasters, resulting in a large amount of natural gas leakage and affecting the normal safety production of the branch company;

(2) A large amount of natural gas leakage affects the normal production and living order of residents and enterprises around the pipeline, and affects the normal supply of natural gas;

(3) A large amount of natural gas leakage has caused environmental pollution in the surrounding area.

1.3 Basic Principles of Emergency Response and Disposal

Adhere to the principle of rapid response, unified command, division of labor and cooperation, forming a joint force, and combining self rescue and social assistance of the company.

2. Organizational structure and responsibilities

2.1 Organizational Structure and Personnel Composition

Our company has set up an emergency response organization as the on-site disposal organization in case of emergencies, which is immediately formed in emergency response state. The station master is the first person responsible for emergency response. The members are composed of maintenance workers and gas dispensers.

2.2 Responsibilities for emergency response work

2.2.1 Emergency Responsibilities of Station Master

(1) Responsible for developing emergency response plans and organizing employee training and drills;

(2) Responsible for initiating emergency response procedures for pipelines;

(3) After obtaining the event information, report the on-site situation to the company leaders as soon as possible and keep them informed of the handling process at any time;

2.2.2 Emergency Responsibilities of Deputy Station Master

(1) After an emergency occurs, immediately organize personnel to conduct on-site perimeter surveillance;

(2) Cooperate with the repair unit to prepare a repair plan and submit it;

(3) Cooperate with emergency repair personnel to carry out repairs according to the approved repair plan and provide on-site supervision;

(4) Cooperate with the repair team to inspect the repair site and report the repair results.

2.2.3 Responsibilities of pipeline patrol workers

(1) Responsible for reporting information during the event handling process;

(2) Follow the instructions of the deputy station chief and complete the initial handling of emergency events;

(3) According to the instructions of the deputy station chief of the pipeline, complete the alert of the emergency scene;

(4) Responsible for receiving emergency repair teams and materials into the repair site;

(5) Supervise the repair site of emergency events.

3 Prevention and Warning

Strictly implement laws, regulations, and technical standards such as the Safety Production Law of the People's Republic of China, the Regulations on Safety Supervision of Special Equipment, and the Pressure Pipeline Inspection Regulations, and conduct inspections and rectifications as required to continuously improve the pressure pipeline management system.

4 Emergency response

Event handling process

4.1 Disposal measures

4.1.1 Key points for handling line patrol workers

(1) Immediately report to the station leadership and branch dispatch room upon discovering a natural gas pipeline leak;

(2) Conduct on-site surveillance, evacuate personnel, and prevent vehicles and unrelated personnel from entering the accident area;

(3) Continuously conduct combustible gas detection around the site;

(4) Report the situation to the webmaster and execute corresponding instructions;

(5) Strictly follow the supervision plan to supervise the repair site.

4.2.2 Key points for on-site disposal by webmasters

(1) Received a report from the patrol personnel that the pipeline had drifted or been suspended, and after confirming the incident, ordered the activation of the emergency plan.

(2) Organize personnel to isolate and alert the scene of the incident.

(3) Notify surrounding enterprises according to the situation and guide the evacuation of the masses.

(4) Notify public security, fire protection and other units according to the situation.

(5) Set up personnel to guide repair vehicles at the intersection.

(6) Report to the company's management by phone.

(7) Cooperate with the on-site repair team to carry out emergency repair work.

(8) Track, implement, and record the progress of on-site repairs and report to the emergency office of the branch company.

(9) Repair completed, order to close emergency plan.

4.2.3 Key points for on-site disposal by deputy station master

(1) Organize on-site surveillance, evacuate personnel, and prevent vehicles and unrelated personnel from entering the accident area while ensuring safety;

(2) Organize personnel to carry out initial disposal of the incident site;

(3) Timely dispatch dedicated personnel to receive emergency repair teams and vehicles entering the accident site.

(4) Cooperate in formulating repair plans and organize personnel to supervise the repair construction on site.

(5) Arrange dedicated personnel to supervise the repair process;

(6) After the repair is completed, participate in the acceptance inspection.

5 Precautions

(1) Strengthen emergency training and drills to enhance employees' safety awareness;

(2) In the event of such a medium leakage incident, the patrol staff should not panic and report it immediately while ensuring their own safety

Level leader, explain the situation of the incident and the on-site situation clearly;

(3) It is required not to make mobile phone calls on site, and to wear anti-static work clothes and fire-resistant helmets as required for vehicles.