At about 9:40 on April 9, 2015, Weifang Binhai Xiangtuan Chemical Co., Ltd. (hereinafter referred to as Xiangtuan Chemical Co., Ltd.) wastewater treatment station aerobic pool occurred in a poisoning and asphyxiation accident, resulting in three deaths, two people (hereinafter referred to as Xiangtuan Chemical Company), resulting in three deaths, two people were injured, and the direct economic loss of about 3.3 million yuan.
According to the "Work Safety Law", "Production Safety Accident Reporting and Investigation Regulations" (State Council Decree No. 493) and "Shandong Province Production Safety Accident Reporting and Investigation Measures" (Provincial Government Decree No. 236) and other relevant laws and regulations, approved by the municipal government, the Municipal Bureau of Supervision and Administration of the city safety supervision bureau led the establishment of a municipal safety supervision bureau, Supervision and Inspection Bureau, the General Union of Trade Unions, the Environmental Protection Bureau and the Coastal Zone Management Committee, Public Security Bureau and other departments and units of the accident investigation team, and invited the Municipal Procuratorate to send members to participate.
Accident investigation team in accordance with the "four do not spare" and "scientific rigor, in accordance with the law, seeking truth from facts, focusing on results" principle and the municipal government "on the further grasp of the work of production safety a number of opinions" (Weigheng word [2015] 20) "a case of six investigations ) "a case of six investigations" requirements, through on-site inspection, investigation and evidence collection, testing and identification and expert argumentation, identified the occurrence of the accident, direct and indirect causes, casualties and property damage, identified the nature of the accident and responsibility, put forward on the responsible personnel and responsible units of the treatment recommendations. At the same time, for the causes of the accident and the outstanding problems exposed, the accident prevention measures were proposed. The situation is reported as follows:
A basic situation
1, corporate profile
Heung Tsuen Chemical Company is located in the Binhai Economic Development Zone, south of Hong Kong Ying Road, Lingang Road, west of the June 16, 2011 by the Municipal Bureau of Industry and Commerce registration, the legal representative: Xiong Yunhu, the scope of business for the production and sale of chemical products. The company covers an area of 100 acres, with a registered capital of 1.65 million yuan and 41 employees; it has set up a specialized safety production management institution, the Department of Safety and Environment, and is equipped with one full-time safety management personnel. There is a set of 1000 tons/year new Suzuran aldehyde and 2500 tons/year acrolein production device.
On September 17, 2013, the company passed the completion inspection and acceptance of safety facilities organized by the Provincial Safety Supervision Bureau, and on September 23, the company obtained the Safety Production License issued by the Provincial Safety Supervision Bureau, with the certificate number: (LU)WHAnHuZhanZhenZhi [2013]070481, which is valid until September 22, 2016, and is also valid until September 22, 2016, when the company was granted the Safety Production License by the Provincial Safety Supervision Bureau.
On May 4, 2011, Weifang Binhai Xiangtuan Chemical Co., Ltd. obtained the "Weifang Binhai Xiangtuan Chemical Co., Ltd. annual production capacity of 4,000 tons of glutaraldehyde, 1,000 tons of new Suzuran Aldehyde, 1,000 tons of chaste aldehyde project Environmental Impact Report Approval" (Weifang Huanciqi 2011104 No.); March 12, 2013, the Municipal Environmental Protection Bureau of Binhai District Sub-bureau to approve the trial production (Weifang Binhai Huanciqi [2013] No. 6), trial production period No.), the trial production period of three months; September 21, 2014, the Municipal Environmental Protection Bureau Binhai District Branch of the company's overdue trial production without acceptance of administrative penalties; to the time of the accident in 2015, the enterprise has not yet passed the environmental acceptance.
2, the basic situation of the sewage treatment station
The accident occurred in the sewage treatment station for Jiangsu Xinqi Environmental Protection Co., Ltd. design; covers an area of about 1150m2, with a total capacity of about 3,700m3; the main facilities are: collection tank, reaction tank, PH adjustment tank, flocculation tank, primary sedimentation tank, anaerobic tank, aerobic tank, the second sedimentation tank, clean water collection tank and other components. Among them, the aerobic pool is 25 meters long and 16 meters wide, consisting of 4 oxidation pools, with a depth of 2.7 meters, and a grid shed is set at 0.4 meters from the upper part of the pool.
The wastewater is mainly industrial wastewater produced in the production process of acrolein workshop, which contains a small amount of acrolein, acrylic acid, formaldehyde and polyacrylaldehyde and other organic substances. It is mainly treated by physical + biochemical process: physical treatment mainly adopts PH adjustment, flocculation, vertical flow settlement and microelectrolysis catalytic oxidation process. Biochemical treatment is mainly the use of microbial life activities in the wastewater organic matter into simple inorganic forms, biochemical treatment process may produce hydrogen sulfide, methane, carbon dioxide and other mixed gases, in the confined space, the accumulation of each toxic and harmful gases. After the accident, the accident investigation team commissioned Weifang City Center for Disease Control and Prevention, on April 10, 2015 on the aerobic pool shed toxic gas detection, test results proved that the aerobic pool shed produced and the presence of hydrogen sulfide.
3, sewage treatment station aerobic pool renovation
April 2014, in order to reduce the spread of odor and improve the efficiency of biochemical reaction, especially to ensure that the sewage treatment station in the winter normal operation, the enterprise after consulting with relevant experts, decided and arranged for the personnel in the aerobic pool and anaerobic pool on the upper part of the cover of the plastic shed, the formation of a restricted space; oxygen pool pools pools between the installation of guardrails, Ventilation facilities, not set up safety warning signs.
After investigation, the aerobic pool covered with plastic shed, from the environmental protection point of view, is conducive to ensure the normal operation of the aerobic pool in low-temperature conditions, the environmental protection will not have a negative impact, does not belong to the "Environmental Impact Assessment Law" stipulates that the major changes, did not violate the laws and regulations on environmental protection. According to Shandong Province, "safety supervision and management of construction projects of hazardous chemicals" implementation rules, does not belong to the construction of new projects, but need to change according to the relevant provisions of the risk analysis and identification and implementation of changes in the application, approval, implementation, acceptance and other change management procedures, but the enterprise has not been in accordance with the provisions of the change of the risk analysis and identification and implementation of changes in the management of the procedures.
Two, the accident happened and rescue situation and after treatment
(A) the accident happened
The drainage of aerobic pond did not meet the standard from March 26, 2015, and the aerobic biochemical treatment dropped significantly from April 2 to April 8, indicating that the aerobic biochemical system failed, and the enterprise shut down the production on April 8. after going to work on April 9 at 8:00, all the Workshop in accordance with the usual organization of personnel for maintenance, in charge of safety and environmental protection deputy manager Zhao Meilin and environmental protection operation team leader Yang Hong into the aerobic pool to check the air pipeline and nozzle failure poisoning fell into the oxidation pool suffocation unconscious.
9:40 or so, the deputy manager Zeng Jianguo passes by the east side of the aerobic pool, found Yang Hong in the No. 4 oxidation pool, and immediately went up to drag it to the pool, rescue process, feel their breathing difficulties, and immediately ran to the pool outside to breathe fresh air and loudly call for help. Immediately after the company staff Wang Xiaozhong, Wang Changhong, Zhang Yongcheng, Yuan Jinwen and other people have rushed to the rescue. Rescue process, Wang Changhong, Zhang Yongcheng due to poisoning has fallen into the No. 4 oxidation pool, Wang Xiaozhong, Yuan Jinwen feel uncomfortable and immediately withdrew, after taking measures to destroy the plastic sheet ventilation, oxygen and other measures, Wang Xiaozhong and others again into the aerobic pool shed to Zhang Yongcheng, Wang Changhong, Yang Hong, Zhao Meilin rescue. Emergency vehicles sent the injured to Binhai People's Hospital for resuscitation. Zhao Meilin, Yang Hong, Zhang Yongcheng 3 people have died after rescue, Wang Changhong, Yuan Jinwen 2 people slightly injured.
(2) emergency rescue situation
After the accident, Weifang municipal party committee and municipal government attaches great importance to, Liu Shuguang, mayor of the instruction requirements, make every effort to treat the injured, do a good job of the relatives of the victims appeasement work; learn from the lessons of the accident, find out the cause of the accident, and seriously investigate the responsibility to prevent the occurrence of similar accidents. Binhai District Management Committee immediately started the emergency rescue plan, the organization of safety supervision, public security, health, environmental protection and other departments and the Lingang Industrial Park Management Office to carry out on-site rescue, treatment and rehabilitation work. At the same time, the city safety supervision, environmental protection and other departments responsible for immediately rushed to the scene to guide the rescue and rehabilitation work.
(3) aftermath
The municipal government and the coastal area management committee and the relevant departments to do everything possible to do a good job of medical treatment, accident casualties and the reception of family members and appeasement, identification of the victims and compensation, etc., to the families of the victims, the injured and their families step-by-step psychological counseling, and carry out the aftermath of the work of all efforts, to maintain social stability.
Three, the cause of the accident analysis
(a) the direct cause
Oxygenated pool shed to form a restricted space, wastewater in the biochemical treatment process produces hydrogen sulfide and other toxic and hazardous gases and agglomeration; operators serious violation of the restricted space operating procedures, not wearing filtering gas mask or oxygen respirator, air respirator and other protective equipment, violation of the oxygenated pool shed, and entered the. Inhalation of hydrogen sulfide poisoning fainted, fell into the aerobic pool of sewage asphyxiation resulting in death; rescue personnel also did not wear any protective equipment, enter the aerobic pool shed blind rescue, resulting in casualties and the expansion of the accident.
(2) Indirect causes
1, fragrant Tsuen Chemical Company, the main responsibility for safety production is not implemented
(1) sewage treatment facilities change management is not in place. Enterprises in the aerobic tank upper cover plastic shed, the formation of a restricted space, did not change the risk analysis and identification and strict implementation of change management procedures; did not update the sewage treatment operating procedures, only in the responsibility system performance appraisal details of the entry into the sewage treatment station aerobic tank, anaerobic tank approval, safety protection and other procedures and requirements.
(2) The management of restricted space operations is not implemented. Without detecting the toxic and harmful gases in the restricted space of the operation, without applying for the Safety Operation Certificate for Restricted Space, without taking ventilation measures, and without arranging for personnel to carry out supervision, the operators did not wear protective equipment such as filtering gas masks or oxygen respirators and air respirators, and illegally entered the restricted space of the aerobic tank to carry out the operation.
(3) The enterprise safety education and training is not in place. Employees have poor safety awareness, poor self-protection awareness, lack of basic knowledge of safety protection; insufficient knowledge of the hazardous and harmful factors related to the operation, illegal operation; poor emergency rescue capabilities, encountering emergencies, blind rescue, resulting in the expansion of the accident casualties.
(4) Inadequate investigation and management of hidden safety hazards. The aerobic pool after the transformation of the formation of restricted space may not pay attention to the potential safety hazards, did not identify the facilities due to the transformation of the potential safety hazards may lead to the risk of accidents; not on the aerobic pool of toxic and hazardous gases have been tested; hidden security risks investigation and management is not comprehensive, not thorough.
2, the production safety supervision departments responsible for the fulfillment of the production safety supervision duties are not in place
(1) Binhai Economic and Development Bureau as the competent authority of industrial enterprises, did not seriously implement the production safety "tube industry must manage safety", "tube business must manage safety "," tube production and operation must control safety "requirements, did not seriously supervise the enterprise targeted production safety inspection activities, and timely elimination of potential accidents.
(2) Binhai District Safety Supervision Bureau to supervise the enterprise to implement the main responsibility for production safety is not in place. 2014 has been to the fragrant Tsuen Chemical Company to carry out five training and start and stop special safety inspections, but did not find that the sewage treatment station facilities existed in the safety hazards, the inspection is not comprehensive, not detailed; supervise the enterprise to improve and implement the rules and regulations and operating procedures are not in place, supervise the enterprise to carry out security education and training and hidden danger investigation and treatment is not enough.
(3) Municipal Environmental Protection Bureau Binhai District Branch of the enterprise's sewage treatment facilities illegal operation supervision is not in place. The enterprise on March 12, 2013 to obtain construction project environmental protection trial production procedures, running to April 8, 2015 is still not through the acceptance (the accident occurred, the enterprise through the environmental protection acceptance of the on-site inspection but has not yet received acceptance approval, in the rectification stage), in violation of the "construction project completion of environmental protection acceptance of the management of the provisions of Article 10 of the trial production of the maximum period of not more than one year. Illegal operation and use. Binhai District Environmental Protection Bureau for many times on the enterprise illegal operation and use of inspection and administrative penalties have been given, did not effectively stop the enterprise illegal operation behavior.
3, safety production local management is not in place
(1) Lingang Industrial Park Management Office of safety production and environmental protection work local supervision is not in place. Supervision of enterprises to carry out construction projects environmental safety management ineffective, not effective to stop the construction project without environmental acceptance of illegal use of fragrant Tsuen Chemical Company. Supervision of enterprises to carry out security risk investigation is not in place, not in a timely manner to check out and eliminate the hidden dangers of security accidents.
(2) Binhai District Management Committee to supervise the implementation of the main responsibility of the enterprise production safety and safety supervision, environmental protection, economic development and other departmental responsibilities, the Lingang Industrial Park Office of the local supervision responsibilities are not in place, the potential for accidents and long existed.
Four, the nature of the accident
The investigation found that Weifang Binhai Xiang Tsuen Chemical Co., Ltd. "4.9" wastewater treatment station poisoning asphyxiation accident is a large production safety accident.
Fifth, the accident of the responsible personnel and responsible units of the treatment recommendations
According to the accident investigation team investigation, in accordance with the "Work Safety Law", the State Council, "Production Safety Accident Reporting and Investigation Regulations" and other laws and regulations, the responsibility for the accident to make a determination and the responsible parties to the accident to put forward the following views.
(a) It is recommended that the following authorities be held responsible for the supervision of the following people, respectively, to give the following people party disciplinary and administrative disciplinary sanctions and treatment measures
1, Yang Jianyuan, a member of the party in the ***, Binhai District Safety Supervision Bureau, squadron leader of three squadrons (section), is responsible for the safety supervision of enterprises in the Lingang Industrial Park (located in the west of the Binhai District), supervise the enterprises to implement the main responsibility for safety production is not in place,. Since 2014, he has been to Xiangtuan Chemical Company to carry out five training and start-up and shutdown special safety inspections, but none of them found the hidden safety problems of the sewage treatment station facilities, and the inspections were not comprehensive and meticulous; he supervised the enterprises to improve and implement the rules, regulations and operating procedures in place, and supervised the enterprises to carry out insufficient safety education and training, as well as the investigation and management of hidden dangers. He bears significant responsibility for the occurrence of the accident. In accordance with Article 17 of the Interim Provisions on Disciplinary Measures for Staff of Institutions, it is recommended that an administrative demerit be imposed.
2, Yang Bin, a member of the *** party, Binhai District, deputy director of the Bureau of Safety Supervision (deputy section level), in charge of the Binhai District, the western part of the city safety supervision work, supervise the three squadrons to carry out safety supervision work is not in place, guiding the management office of the Lingang Industrial Park to implement the safety of the local management is not in place. The occurrence of the accident has an important leadership responsibility. In accordance with the "Interim Provisions on Disciplinary Measures for Staff in Public Organizations" Article 17, it is recommended that an administrative warning be given.
3, Cheng now Wei, a member of the *** party, the city environmental protection bureau coastal area sub-bureau monitoring brigade brigade (deputy section level), presided over the brigade's overall work, on the fragrance of the Tsuen Chemical Company on March 12, 2013 to obtain the construction project environmental protection trial production procedures, production to the April 8, 2015 during the illegal operation of the use of the illegal behavior of the investigation and handling of the responsibility for the accident is important. In accordance with the "Interim Provisions on Disciplinary Measures for Staff in Public Organizations" Article 17, it is recommended that an administrative warning be given.
4, Li Jianguang, a member of the Chinese *** party, the city environmental protection bureau Binhai district branch deputy director (deputy section level), in charge of environmental protection law enforcement, supervise the monitoring brigade to carry out environmental protection law enforcement work is not in place, did not effectively investigate and deal with the construction project of Xiang Tsuen Chemical Company illegal operation behavior, the occurrence of the accident has an important leadership responsibility. According to the "China **** production party disciplinary regulations" article 23 provisions, it is recommended to be exempted from party disciplinary action.
5, Wang Chunsheng, a member of the Chinese *** party, Binhai District Economic and Development Bureau leadership team (deputy section level), in charge of production safety, did not conscientiously supervise the enterprise to carry out targeted production safety inspection activities, and timely elimination of hidden accidents. Important leadership responsibility for the occurrence of the accident. In accordance with the "Interim Provisions on Disciplinary Measures for Staff in Public Organizations" Article 17, it is recommended that an administrative warning be given.
6, Zhang Zeyong, a member of the *** party, Weifang City, deputy director of the Bureau of Safety Supervision, in charge of the supervision of hazardous chemicals, supervise and guide the coastal area of hazardous chemicals safety supervision is not in place, the investigation of the enterprise safety hazards are not meticulous. The accident has an important leadership responsibility, in accordance with the "China **** production party disciplinary regulations" Article 23, recommended to give Zhang Zeyong exempted from party disciplinary action.
(2) It is recommended that the following units of territorial management responsibility, respectively, to give the following people party disciplinary and administrative disciplinary measures and treatment measures
1, Wang Jigang, a member of the party in the ***, Binhai District Lingang Industrial Park Management Office deputy director (deputy section level), in charge of production safety, coordination of the higher departments to carry out production safety work is not in place, supervise the enterprise to carry out the investigation of hidden dangers is not in place, the accident occurs on the important leadership responsibility. The occurrence of the accident is responsible for important leadership. In accordance with Article 17 of the Interim Provisions on Disciplinary Measures for Staff of Institutions, it is recommended that administrative demerits be given.
2, Zhang Jaguang, a member of the *** party, Binhai District Lingang Industrial Park Management Office secretary, deputy director (full section level), in charge of enterprise management, environmental protection and other work, supervise the enterprise to carry out construction projects, environmental protection and safety management ineffective, did not effectively stop the Xiang Tsuen chemical company construction projects without environmental protection completion acceptance illegal operation and use behavior. The occurrence of the accident is responsible for important leadership. In accordance with the "Interim Provisions on Disciplinary Measures for Staff in Public Organizations", Article 17 of the Interim Provisions, it is recommended that an administrative warning be given.
3, Zhang Hanyou, Chinese *** party members, Binhai District Lingang Industrial Park Management Office Director (full section level), presided over the Lingang Industrial Park Management Office comprehensive work. The implementation of safety production local supervision responsibilities are not in place, not effectively supervise the safety production and environmental protection staff to carry out hidden trouble investigation and management and investigate and deal with illegal acts. Important leadership responsibility for the occurrence of the accident. According to the provisions of Article 23 of the Regulations on Disciplinary Actions of the Chinese ****anufacturing Party, it is recommended that the party be exempted from disciplinary action.
4, Liu Zhenyong, a member of the Chinese *** party, the coastal area party working committee member, in charge of safety and environmental protection work. Organize and carry out safety production hidden danger investigation and education and training is not in-depth, supervise the functional departments to perform safety production and environmental protection supervision responsibilities are not in place. The accident has an important leadership responsibility, in accordance with the "China **** production party disciplinary regulations" Article 23, it is recommended to give Liu Zhenyong exempted from party disciplinary action.
(3) It is recommended that the Xiangtuan Chemical Company be held accountable for the main responsibility for production safety and the following sanctions and penalties for the relevant personnel and units
1. Zhao Meilin, deputy manager of the Xiangtuan Chemical Company, in charge of safety and environmental protection, the management of changes in wastewater treatment facilities is not in place to carry out safety education and training is not in place to detect and manage hidden dangers of safety is not in place; the management of the operation of the restricted space is not in place to implement the serious violation of the restricted space operation regulations, the management of the restricted space operation is not in place to implement the safety management. Serious violation of restricted space operation procedures, unauthorized operation, unauthorized command, did not wear any protective gear into the aerobic pool shed operations, resulting in accidents. Direct responsibility for the occurrence of the accident, in view of his death in the accident, no longer be held responsible.
2, Yang Hong, Xiang Tsuen Chemical Company, environmental protection operation team leader, in violation of the restricted space operating procedures, not wearing any protective equipment, illegal access to the aerobic pool shed, inhalation of hydrogen sulfide fainted and fell to the aerobic pool of sewage, due to toxic gas poisoning, asphyxiation and death. The accident is directly responsible for the occurrence of the accident, in view of its death in the accident, no longer be held responsible.
3, Zeng Jianguo, a member of the Chinese *** party, incense Tsuen Chemical Company, deputy manager, in charge of production, equipment, maintenance and other work, the organization of the scene of the emergency rescue is not appropriate, the expansion of the accident bears the main responsibility. In accordance with the provisions of Article 131 of the Regulations on Disciplinary Measures of the Chinese ****anufacturing Party, it is recommended that he be given one year's disciplinary action in accordance with the Party; it is recommended that the enterprise be dealt with seriously in accordance with the provisions of the internal management.
4, Xiong Yunhu, a member of the Chinese *** party, general manager of the fragrant Tsuen Chemical Company, as the legal representative of the enterprise, is the first person responsible for the production safety of the enterprise. Organize the revision of safety production management system and safety operation procedures are not timely, implementation is not in place; organization of safety training and emergency education work is missing; supervision and inspection of the unit's safety production work is not in place, not effectively eliminate the hidden dangers of safety accidents; organization of production in violation of the relevant environmental protection laws and regulations. The occurrence of the accident bears the main responsibility. In view of the suspected crime, it is recommended to transfer to the judicial organs to deal with it according to law; after the judicial organs make the treatment, the disciplinary organs will give the corresponding party disciplinary sanctions in time. At the same time, according to the "Work Safety Law" Article 92, paragraph 2 of the provisions, it is recommended that the Weifang Municipal Bureau of Safety Supervision impose a fine of 40% of the previous year's income *** 32,000 yuan.
5, Xiangtuan Chemical Company, is directly responsible for the accident. According to Article 40 of the Regulations on Reporting and Investigation of Production Safety Accidents, it is recommended that the Safety Supervision Department suspend its safety production license according to law; according to the provisions of the second paragraph of Article 109 of the Work Safety Law, it is recommended that Weifang Municipal Safety Supervision Bureau impose a fine of 700,000 yuan on Xiangtsuan Chemical Company.
(d) the Binhai District Management Committee to Weifang Municipal Party Committee and the municipal government to make a profound examination.
Sixth, accident prevention and rectification measures proposed
For the coastal area of this accident exposed the outstanding problems, in order to y learn from the lessons of the accident, to further strengthen the work of production safety, and effectively prevent the recurrence of similar accidents, put forward the following measures proposed:
1, strict implementation of the main body of responsibility for the production safety of enterprises. The production and management units should conscientiously implement production safety, environmental protection and other laws and regulations, in accordance with the law and regulations to organize production and construction activities. To establish and improve the job responsibility system, operating procedures, production safety and other rules and regulations; to strengthen the environmental protection facilities operation of safety education and training, environmental protection facilities may produce toxic and harmful gases or other hazards in the operation of the safety protection and emergency evacuation, to do should be aware of should be able to do; to strengthen the prevention and control of pollution and its ancillary facilities, including the installation of the necessary guardrails, partitions, covers, baffles etc., the safety hazards arising from the operation of the facilities should be rectified and put in place in a timely manner. Avoid accidents.
2, effectively strengthen the safety management of restricted space operations. Chemical and hazardous chemical enterprises should attach great importance to the safety risks of restricted space operations, and strengthen the safety management of restricted space operations. To strictly in accordance with the "chemical (hazardous chemicals) enterprises to ensure production safety ten provisions" (State Administration of Safety Supervision Decree No. 64) and "chemical production units special operations safety norms" (GB30871) and other relevant regulations and standards, to establish and improve the management of restricted space operations regulations. Restricted space operation permit as a red line of safety management, resolutely put an end to the phenomenon of unauthorized access to restricted space operations, the approval process to go through the motions, etc., to ensure that the system has been implemented without compromise, to ensure the safety of restricted space operations.
3, to carry out security risks of large-scale investigation and rectification. Environmental protection departments at all levels to establish environmental protection and production safety supervision and information exchange mechanism, involving hazardous chemicals enterprise environmental protection facilities for new construction, alteration, expansion projects, the approval gate, to ensure the safe operation of various environmental protection facilities. Functional departments at all levels to urge chemical enterprises, to the construction and operation of environmental protection facilities, equipment, aerobic pools, anaerobic pools, etc. to carry out a comprehensive and detailed investigation of hidden dangers, and resolutely prevent the recurrence of such accidents.
4, to firmly establish the concept of safety development. Departments at all levels should strengthen the safety supervision of various fields to ensure safe production. To learn from the lessons of this accident, learn from the past, strengthen production safety, strengthen the construction project completion of environmental protection acceptance management, to urge the production and management units to seriously study and implement the national production safety, environmental protection laws and regulations, to strengthen the construction project safety production "three simultaneous" and environmental protection "Three simultaneous" management of construction projects, increase the hidden danger investigation and rectification efforts to ensure safe production.