At about 14:52 on July 23, 2023, the roof of the gymnasium of Qiqihar No. 34 Middle School in Longsha District, Qiqihar City, Heilongjiang Province collapsed, causing 11 deaths, 7 injuries, and direct economic losses of 12.541 million yuan.
Recently, the Heilongjiang Provincial Department of Emergency Management released an investigation report on the accident. The roof collapse accident of the "7·23" gymnasium of No. 34 Middle School in Qiqihar City was caused by illegal repair and construction, illegal stacking of perlite, and perlite stacking that caused rainwater retention. As a result, the load on the roof of the stadium increased significantly, exceeding the load-bearing limit, causing an instant collapse and a major production safety accident.
direct cause of accident
The multiple roof repairs increased the load a lot, the perlite was piled on the roof, and the rainwater retention caused by the perlite accumulation continued to increase the load. Under the combined effects, the grid structure was seriously overloaded and deformed, causing the roof to collapse instantly.
indirect cause analysis
The construction unit failed to fulfill its primary responsibility for quality and safety production, started construction without obtaining a construction permit, lacked guidance, inspection, supervision and management of the construction unit and supervision unit, and organized false completion acceptance.
The construction unit seriously lacks the main responsibility for quality and safety production, lent qualifications in violation of laws and regulations, started construction without a construction permit, safety management personnel did not show up to perform their duties, the actual project manager did not have the professional qualifications, and illegally subcontracted the project to unqualified individuals. , the construction was not carried out according to the design drawings, the project quality standards were lowered, and the construction site management was chaotic.
The main responsibilities of the supervision unit for quality and safety production are not implemented, the number of on-site supervision personnel does not meet the needs of supervision work, and it is found that the construction unit's registered management personnel have not arrived at their posts to perform their duties and the actual project manager on site does not have professional qualifications and performs construction without approval. He did not stop the behavior, failed to stand by the hidden project, and falsified supervision records.
Industry regulatory authorities do not fulfill their regulatory responsibilities adequately.
Suggestions for dealing with relevant responsible persons
In this accident, except for the two responsible persons who died due to illness, it is recommended that no one be held accountable. 51 relevant responsible persons have been held accountable, including:
Six people have been subject to compulsory measures by judicial authorities.
Five people were recommended to be transferred to judicial authorities.
It was recommended that 33 public officials be given different punishments such as serious warnings within the party, removal from government affairs, and downgrading of professional and technical positions.
Another seven people were recommended to be given administrative penalties such as fines and revocation of safety production assessment certificates.
What happened
At 13:00 on July 23, 2023, two coaches from Thirty-four Middle School led 17 women’s volleyball team members to start volleyball training in the gymnasium.
At about 14:52, the roof of the stadium collapsed completely.
At 14:54, nearby residents called 110.
At 14:55, 119 and 120 rescues were notified successively. Among them, 4 people escaped on their own (3 people were injured and 1 person was not injured), and 15 people were trapped. Analysis of the search and rescue positions after the accident showed that 3 people were on one side of the stand, 3 people were on the left side of the stand, and 5 people were on the stand when the accident occurred. On the opposite side, 4 people are in the middle of the field.
The accident resulted in 11 deaths and 7 injuries.
Accident emergency response and assessment
At 14:52 on July 23, the roof of the gymnasium of Thirty-four Middle School collapsed. At 14:54, after receiving the police report, the 110 Command Center of the Municipal Public Security Bureau jointly pushed the police information to the 119 Municipal Fire Rescue Command Center, the 120 Municipal Medical Emergency Center and the Municipal Emergency Command Center. The Qiqihar Municipal Government immediately launched an emergency response, mobilizing fire rescue, medical emergency, public security, emergency, housing construction, education, urban management, publicity, Longsha District and other rescue forces to the scene.
Leaders at the municipal and district levels rushed to the scene in time, immediately established an on-site rescue headquarters, and set up six emergency rescue teams including on-site rescue, medical treatment, and accident investigation to quickly carry out on-site search and rescue, transfer treatment, and on-site management and control. As of 10:46 on the 24th, the search and rescue work ended, and all 15 trapped people were rescued. 4 of them were injured and 11 were killed.
After evaluation, party committees, governments and relevant departments at all levels made scientific and reasonable decisions, on-site rescue and handling were appropriate, information submission was accurate and timely, and the aftermath was orderly and effective.
6 people have been subject to compulsory measures by judicial authorities
Cheng Zidong, male, actual controller of Jiamei Construction Company. In violation of regulations, he allowed others to undertake the 2023 comprehensive building project in the name of the company, participated in bidding, entering into contracts, handling relevant construction procedures, and engaged in construction and other activities. He failed to perform the safety production management responsibilities of the person in charge and was responsible for the accident.
Li Renkuan, male, the actual controller of the comprehensive building project in 2023, violated regulations and contracted the comprehensive building project in the name of Jiamei Construction Company, organized people without professional qualifications to establish a project department management organization, and illegally decided to store perlite, the exit material, in an adjacent gymnasium. The person on the roof failed to perform safety production management duties and was responsible for the accident.
Zhang Zhenfeng, male, the legal representative of Baizhong Labor Service Company and the person in charge of the labor subcontracting of the comprehensive building project in 2023, failed to perform his safety production management responsibilities and was responsible for the accident.
Wang Di, male, the actual contractor of the 2023 comprehensive building project, failed to perform the safety production management responsibilities of the main person in charge of the construction unit and was responsible for the accident.
Dong He, male, is the technical person in charge and actual project manager of the comprehensive building project registration in 2023. He does not have the corresponding professional qualifications. He illegally organized the start of construction without obtaining the "Construction Project Construction Permit". The commander stacked the exit materials perlite in the adjacent gymnasium. If you don't go on the roof, you will be responsible for the accident.
Liu Qibing, male, was the actual constructor of the 2023 comprehensive building project. He directed the workers to pile the exit material perlite on the inaccessible roof of the adjacent gymnasium, and was responsible for the accident.
5 people were recommended to be transferred to judicial authorities for processing
Sun Ying, female, was the project manager for the registration of the comprehensive building project in 2023. She was not present to perform safety production management responsibilities, violated regulations and forged attendance information to implement attendance clocking, and was responsible for the accident.
Gao Xiuying, female, chief supervisory engineer of the comprehensive building project in 2023, failed to perform supervision duties, discovered that the construction unit had started construction without approval, and failed to take measures; failed to review the safety technical measures in the construction organization design, and failed to responsible for the accident.
Li Guojun, male, is the legal representative of the Education Construction Company, the construction unit of the teaching building renovation project in 2017. He failed to perform the safety production management duties of the company's main responsible person and was responsible for the accident.
Dong Xiangquan, male, was the person in charge of the renovation project of the teaching building in 2017 (the person in charge of the gymnasium roof maintenance and construction). He failed to remove the original base layer and insulation of the gymnasium roof according to the design requirements, which increased the load on the gymnasium roof and was responsible for the accident.
Chen Aizhe, female, was the chief supervisory engineer of the teaching building renovation project in 2017. She failed to perform her supervision duties, failed to stand by for the hidden work of the gymnasium roof maintenance as required, and failed to discover and correct in time the construction unit's failure to remove the original base layer of the gymnasium roof as designed. and insulation violations, responsible for the accident.