Special sticker for accident reports (August 2010)

* * * Safety Committee Office’s Notice on the "7·28" Underground Propylene Pipeline Deflagration Accident in Nanjing City, Jiangsu Province Safety Committee Office [2010] No. 16 All provinces, autonomous regions, municipalities directly under the Central Government and Xinjiang Production and Construction Corps Safety Production Committee, * * * Relevant member units of the Security Committee and relevant central enterprises: At around 10:11 on July 28, 2010, Yangzhou Hongyun Construction Support Engineering Co., Ltd. (hereinafter referred to as Hongyun Company) was at the former site of the No. 4 Nanjing Plastics Factory at No. 15, Wanshou Village, Maigaoqiao Street, Qixia District, Nanjing City, Jiangsu Province. During the land leveling and demolition process, an excavator dug through an underground propylene pipeline. After the propylene leaked, it exploded when exposed to an open flame. As of July 31, the accident had caused 13 deaths and 120 people were hospitalized (14 were seriously injured). The accident also caused the glass, doors and windows of more than 3,000 residential houses and some shops in the surrounding area of ​​nearly two square kilometers to be broken to varying degrees, the facades of the buildings were damaged, and a few steel frame greenhouses collapsed. After the accident, the central leaders attached great importance to it and immediately issued important instructions, requiring relevant departments to verify the situation immediately, guide the rescue work with all their strength, and put out the fire as soon as possible. ； Make every effort to rescue the injured, evacuate people in dangerous areas, and ensure safety ； Find out the cause as soon as possible and take effective measures to prevent secondary disasters and pollution. Jiangsu Provincial Committee of the Communist Party of China * * and * * The State Administration of Work Safety and other relevant departments and the Nanjing Municipal Party Committee and Municipal * * The responsible comrades rushed to the scene promptly, commanded and organized emergency rescue, and carried out on-site disposal, casualty treatment, accident investigation and aftermath work. The relevant situation is now reported as follows: 1. Basic information of the units involved in the accident and a brief history of the accident. The underground propylene pipeline that was excavated by the excavator in this accident was put into use in 2002, passing through the former site of Nanjing Plastics Factory No. 4. It has a nominal diameter of 159 mm, a transmission pressure of 2.2 MPa, and a transportation distance of about 5 kilometers. It is used to transport raw material propylene from the terminal of Jinling Petrochemical Company to Nanjing Jinling Plastic Chemical Co., Ltd. (the company is controlled by Jiangsu Jinpu Group). The pipeline is currently owned by Jiangsu Jinpu Group. At the time of the accident, the pipeline was shut down and filled with propylene. The original Nanjing Plastics Factory No. 4 ceased production in 2005, and the land where it is located is currently under commercial development and utilization by the Qixia District Maigaoqiao Subdistrict Office. Hongyun Company conducted site leveling of the land after negotiating the bid. Hongyun Company's small excavation machinery dug through a propylene pipeline around 9:30 a.m. on July 28 in order to recover steel from abandoned underground pipes, causing a large amount of liquid propylene to leak. People on site evacuated and called the police. At around 10:11, the leaked propylene encountered an open flame in a nearby restaurant, causing a large-scale explosion. After receiving the call from 110, the local fire department dispatched a total of 36 fire trucks and more than 2,000 fire officers to the scene to organize the treatment of the injured and on-site disposal. Relevant units closed the valves at both ends of the leak point. At about 15:00, the fire at the scene was initially controlled. Around 23:00, both ends of the dug propylene pipe were isolated with blind plates. At 5:23 on July 29, the open fire at the scene was extinguished. After monitoring by the local environmental protection department, the accident did not cause environmental pollution. 2. Preliminary analysis of the cause of the accident. After investigation and analysis, it was initially determined that the main cause of the accident was the lack of construction safety management. The construction team organized by Hongyun Company blindly constructed and dug through the underground propylene pipeline, causing the leakage of liquid propylene in the pipeline. After the leaked propylene evaporated and spread, it encountered an open fire and caused a large space. * * , and at the same time caused a fire at the leakage point of the pipeline. 3. Lessons that should be learned deeply and relevant work requirements. This accident caused heavy casualties and the lessons are extremely profound. Especially following the "7·16" oil pipeline of Dalian PetroChina International Storage and Transportation Co., Ltd. in Liaoning Province, * * After the fire accident, a major production safety accident involving hazardous chemical pipelines occurred again within half a month, which must arouse the great attention and vigilance of all regions, relevant departments and units. In order to conscientiously implement the important instructions of the central leaders and the " * * * In the spirit of the "Notice on Further Strengthening Enterprise Safety Production Work" (Guofa [2010] No. 23), we must deeply learn from the lessons of the accident, draw inferences from one example, and effectively strengthen the safety management of chemical transportation pipelines, and comprehensively strengthen the safety production of hazardous chemicals. The following requirements are hereby put forward: (1) Strengthen the safety management of urban ground excavation construction. With the acceleration of urbanization, urban ground excavation construction operations have increased significantly. In view of the characteristics of urban ground excavation construction safety operations involving many departments and units, all localities should further clarify the safety management responsibilities of relevant departments and units in urban ground excavation construction operations, and implement safety supervision responsibilities and safety production responsibilities. Before organizing project construction, the construction project management unit must carefully review relevant information, comprehensively understand the distribution and direction of underground pipelines in the areas involved in the project, and formulate reliable protection measures. For any construction project involving underground pipelines, before starting, the construction project management unit must convene pipeline owners, construction and on-site safety management and other relevant units to hold a safety construction coordination meeting and put forward clear requirements for the division of responsibilities for safe construction operations. Construction units must strictly carry out operations in accordance with safety construction requirements, and it is strictly prohibited to conduct ground excavation operations under unknown circumstances. Pipeline owners must make on-site disclosures about the conditions of underground pipelines, clearly mark them, and arrange for dedicated supervision at the work site if necessary. Planning and construction departments should establish and improve urban underground pipeline network archives. When carrying out urban planning, they should strengthen the protection and avoidance of existing underground pipelines to ensure the safety of underground chemical pipelines. (2) Effectively strengthen the safety production work of chemical transportation pipelines. To strengthen the safety management of oil and natural gas pipelines, all localities and relevant units must follow the provisions of the "Oil and Natural Gas Pipeline Protection Law" that came into effect on October 1 this year, promptly clean up illegal buildings within the scope of pipeline protection, and strictly prevent pipelines from being occupied. Pipeline owners must conduct regular inspections of oil and natural gas pipelines, strengthen daily inspections, and deal with hidden dangers in a timely manner to ensure the safe operation of oil and natural gas pipelines and their ancillary facilities. Relevant enterprises should immediately conduct a comprehensive inspection of all chemical pipelines, improve chemical pipeline signs and warning signs, improve relevant information files, implement management responsibilities, regularly detect and inspect chemical pipelines, and deal with problems and hidden dangers in a timely manner. need * * Coordination and resolution must be promptly reported to the local * * Report. Local safety committees at all levels should identify the leading department for safety supervision of chemical transportation pipelines within their jurisdiction, and immediately carry out comprehensive investigations to find out the relevant situation of chemical transportation pipelines in their jurisdiction, the situation of chemical transportation pipelines passing through public areas, and the situation of underground chemical transportation pipelines in public areas. In particular, they should find out the relevant situation of underground hazardous chemical transportation pipelines within their jurisdiction, and establish files. Relevant enterprises are urged to further implement the owners' responsibilities for safe production and take effective measures to strengthen management. In view of the common problems of illegal building occupation and insufficient safety distance in underground chemical transportation pipelines, it is necessary to organize centralized rectification to completely eliminate hidden dangers and ensure the safe operation of chemical transportation pipelines. (3) Effectively strengthen the safety management of hazardous chemicals during high-temperature thunderstorm seasons. There are many extreme weather events in our country this year, and summer is a time when hazardous chemical accidents occur frequently. All localities must respond to the current severe situation of safe production of hazardous chemicals to implement the " * * * The spirit of the "Notice on Further Strengthening Enterprise Safety Production Work" is an opportunity to urge enterprises to further implement the main responsibilities of safety production. Hazardous chemical companies must prevent leaks and fires * * As the focus, we will continue to carry out targeted hidden danger inspections and strengthen the "four prevention" work in summer (lightning protection, flood prevention, collapse prevention, and leakage prevention). * * ), increase the monitoring of major hazard sources, strictly implement the duty management system for corporate leaders, comprehensively strengthen production safety management, and ensure production safety. local levels * * Relevant departments should intensify supervision and inspection of relevant enterprises within their jurisdiction, and urge enterprises to take practical measures to ensure production safety during the summer high temperature and thunderstorm season. (4) Effectively improve emergency response capabilities for hazardous chemical accidents. local levels * * Relevant departments formulate targeted emergency plans based on the characteristics of hazardous chemical enterprises within their jurisdiction and organize regular emergency drills to further improve and perfect the emergency plans through drills. ； Establish a team of hazardous chemicals emergency response experts, increase emergency investment, improve emergency supplies and emergency equipment reserves, and improve emergency response capabilities for hazardous chemical accidents. All types of hazardous chemical enterprises must carefully study and analyze the situation of major hazard sources in their units, establish and improve major hazard source files, strengthen the monitoring and management of major hazard sources, and ensure safe production. Accident investigations must be carried out seriously and strictly in accordance with the "four no let go" principle, and relevant accident responsibilities must be seriously investigated in accordance with laws and regulations. July 31, 2010

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