Accident report: "Investigation Report on 2.25 Major Fire Accidents in Nanchang City"

Recently, the Jiangxi Provincial Government approved the “ 2. 25 Major Fire Accident Investigation Report in Nanchang City , ” which is now extracted as follows:

Survey Report on " 2 · 25 " Major Fire Accidents in Nanchang City

February 25, 2017, Nanchang Honggutan world to sing a wholesale leisure club (hereinafter referred to as "sing the world club") major fire accident occurred, 10 people were killed and 13 wounded.

After investigation, it was found that the “ 2 · 25 ” major fire accident in Nanchang was a production safety responsibility accident.

First, the basic situation

(a) Fire construction situation

The fire building is located in No. 348 , Honggu Middle Road , Honggutan New District, Nanchang City . The architectural name is: Building 5 of HNA Baijin Garden , which is one of the “Haihang Baijin Garden” residential buildings.

Hainan Airlines Platinum Garden Building 5 covers an area of 2887 square meters, in May 2006 to start construction, the overall final acceptance in August 2008. The building is a frame-cut structure with a total construction area of 44,770.53 square meters . A ground layer, the ground layer 4 podium with A, B two towers, A tower 24 layer, B layer tower 16, Building housing for use nature. The main functions of each floor (see Figure 1.2 for floor functions ) are:

1st floor: Sing to the world clubhouse, Nanchang Baijinhui HNA hotel lobby, apartment lobby and business operators;

2nd floor: Singing the world clubhouse;

3rd floor: office space, 17 offices in total ;

4th floor: office space, altogether 18 office units, and another Haiyun Baiyun Hotel Haiyun Hall conference room;

Level F : Equipment level, Nanchang Baijinhui HNA Hotel has offices, staff restaurants, etc. in this building.

A tower: 5--12 layers Nanchang Platinum Huihaihang hotel business district, 13--24 layer for the apartment;

Tower B : Levels 5 - 16 are apartments.

Figure 1.2 Schematic diagram of the floor functional area of ​​Building 5 of HNA Baijin Garden

The building is equipped with fire-fighting water supply pipes, mechanical exhaust systems and fire emergency lighting, evacuation signs, and fire extinguishers. The fire control room of the building is located on the ground floor, and the fire protection and maintenance unit is Nanchang Wenying Fire Protection Installation Engineering Co., Ltd. Before the fire broke out, the mechanical smoke exhaust system of the building's fire control system was in the "automatically forbidden" state, and the manual operation panel of the mechanical smoke exhaust system was set in the "manually prohibited" state.

(II) Situation of accident-related units

1 . Sing to the world club (fire unit). The clubhouse is an individual industrial and commercial household. It is jointly funded and established by more than ten natural persons such as Ding Huihui. Its business premises are leased 1st and 2nd floors shops, and the business area is about 3635 square meters. The owner of the house is Jiangxi Jinlander Investment Co., Ltd.

Singing the world clubhouse has an independent fire automatic alarm system, mechanical smoke exhaust system, fire emergency lighting, evacuation signs, fire extinguishers and other fire facilities, its automatic sprinkler system, indoor fire hydrant system access to the building common fire water supply pipeline . November 2014, signed with the club world to sing Jiangxi Dragon Fire Safety Co., Ltd. Samsung air a three-year fire-fighting facilities maintenance contracts, maintenance content for the world to sing the club automatic fire alarm system, automatic sprinkler system, indoor fire hydrant System and smoke control system.

The investigation, singing clubs in the world in August 2010 began construction of the first renovation, renovation work was completed in December of the same year, for the first time not bid for construction decoration construction permit. At the time of the accident, the club was shut down to dismantle the original decoration.

2 . Nanchang Baijinhui Haihang Hotel Co., Ltd. Responsible for inspection of public facilities such as secondary water supply, power supply, fire protection, and ventilation in Building 5 of HNA Baijin Garden .

3 . Jiangxi Jinlander Investment Co., Ltd. The company purchased real estate on the 1st , 2nd and 3rd floors of No. 5 Building of HNA Baijin Garden . The 1st and 2nd floors of the property were leased to the singing world clubhouse as a business site, and the 3- storey property was used as the company's own office.

4 . Jiangxi Samsung Dragon Fire Safety Co., Ltd. The company provides fire protection and maintenance services for the world club.

5 . Nanchang Wenying Fire Protection Installation Engineering Co., Ltd. In October 2016 , a one- year construction firefighting facility maintenance contract was signed with Nanchang Baijinhui Haihang Hotel Co., Ltd. After investigation, the company did not obtain the "Qualification Certificate of the People's Republic of China Fire Technology Service Organization."

(3) Singing the remodeling and renovation project of the world's clubhouse

1 . Renovation project contracting situation. December 2016, the club decided to join the singing world use "only still (V - SONG)" brand renovation and reconstruction. January 5, 2017, a small group of shareholders of the club world to sing Jiangxi Chi Cultural Development Co., Ltd. shareholders Du polymerization were signed "brand licensing contract", "KTV pre-planning contract", "KTV Project Management Contract" And "renovation design contract", agreed to sing the world club must be in accordance with the " V - SONG " brand decoration style decoration, decoration and design costs 300,000 yuan (singing the world club has prepaid 100,000 yuan). February 15 the same year, the world is singing club meeting is determined by a small group of shareholders Chi responsible for the financial decoration and alterations to coordinate matters related to shareholders Ding Huihui, Tian Huanhuan, Tu Yu-liang responsible for rebuilding renovation of administrative examination and approval related matters. While Ding Guangrong highly recommended and persuaded to sing the world club determine the demolition reconstruction renovation project by Liu Maomao, Liao Huirong 15 million price contract, and signed "KTV dismantle Agreement", agreed to dismantle clubs will sing the world Original frame structure.

After Liu Maomao and Liao Huiong took over the demolition project, they will subcontract Wan Waiguo with the price of 127,000 yuan for the removal of walls, ceilings, and garbage , and will sing the wire, metal decoration and other waste products in the world's clubs to 22,000 yuan. The price was sold to Li Yunzhong . Afterwards, Wan Aiguo subcontracted the wall and ceiling demolition project to Zhang Fusheng with a price of 87,000 yuan (see Figure 1.3 for project contracting ).

Figure 1.3 Singing World Clubhouse Demolition Project Contracting and Subcontracting Structure

At the request of the construction party, after singing the World Club, the company will close, remove and remove the domestic water, electricity and fire sprinkler valves, fire automatic alarm system controllers, and fire extinguishers, respectively.

February 18, Jiangxi Samsung Fire Safety Limited Long gas in the world to sing at the club requirements, assign Han Pingping (Jiangxi Samsung Fire Safety Limited Long gas salesman, no fire professional qualification.) Travel the world singing clubs, closed at 2 ( 1st Floor, 2nd Floor, Southern) Fire sprinkler system valve , while the automatic fire alarm system controller was dismantled; On the 19th , Singer Clubhouse clerk Ren Jinjin shut down the domestic water and electricity in the clubhouse according to Ding Zhaozhi’s request. All the fire extinguishers in the institute will be moved to the outdoor mobile board room. On the 24th , the fire sprinkler heads in the northern cabin of the second floor will be accidentally damaged and sprayed by the construction personnel. The construction personnel will control the valves of the northern fire sprinkler system in the second floor. .

Second, the accident occurred

(a) After the accident

Starting at 7:12 on February 25, 19 construction workers Zhang Fusheng in its organization of waste collection and two officers called in by Li Yun moved into the world of singing clubs layer 2 start construction.

7:47 Xu, Li Yun the van driver (Noble, Peng Yongbing same vehicle) carrying three oxygen cylinder, a liquefied petroleum gas, a gas cutting gun and a hand-held motorized cutter reaches sing world club. After Li Yunzhong had 3 people eat breakfast in the vicinity, he entered the singing world clubhouse at 8 o'clock. Li Yunzhong installed aerobic welding cutting equipment and a hand-held electric cutter to start cutting and dismantling the metal on both sides of the northern curved staircase in the clubhouse lobby. armrest. To 8:18 Xu, when Li Yun curved staircase in the central north south club lobby cutting metal bars, his assistant the cutting points found noble waste deposited immediately below the couch fire.

(II) Fire fighting and personnel escape at the beginning

1 . The fire started from the beginning. After the discovery of fire, noble shouted for help and sofas around the ignition point away; Li Yun immediately stop the cutting, looking for fire fighting equipment; ready to go to Wan patriotic layer 2 to view the construction progress is being heard yelling on the curved staircase, 1st floor immediately returned After moving sofas with nobles, about four or five sofas were removed, they found that the fire became larger, and the patriotism left the fire scene. After nobles tried to find the fire hydrant unsuccessfully, Li Yunzhong and Li Yunzhong together moved the cutting tools out of the fire and discarded the door to sing the world. On the outside ground, the oxygen cylinders, liquefied petroleum gas cylinders, and hand-held electric cutters will be brought into the van that Li Yunzhong opened.

8:21 Xu, hotel security manager Nanchang platinum Huihaihang discovered fire, immediately called hotel security fetch two fire extinguishers, noble subsequently taken to a fire extinguisher from the hotel fire extinguishing; Li Yun with the hotel security together from A The fire hydrant and fire reel in the lobby of the apartment were pulled out of the water pipe and pulled out to sing the world clubhouse for fire extinguishing. However, the fire could not be controlled and both gave up. 8:22 Xu, passing the masses call 119 immediately after the discovery of the fire alarm.

2 . Persons escape to save themselves.

( 1 ) 1st floor. When the fire broke out, there were 4 people singing on the first floor of the lobby and the curved staircase leading to the second floor of the world clubhouse . They both saw the fire directly and escaped from the first floor lobby door when the fire was ineffective .

( 2 ) 2 floors. When the fire broke out, there were 22 construction workers working on the 2nd floor of the world club . After hearing cries, 6 escape from a building staircase 1, 5 escape from a building staircase 4, a curved staircase escape from a person, a person through the northwest of the cornice outside windows to escape, break the east side of the outer glazing 2 Jumped to the building to escape and the remaining 7 people died (see Figure 2.1 for the location of the staff and Figure 2.2 for the location of the death ).

Figure 2.1 Location distribution of two- tier construction workers

Figure 2.2 Location of dead in 2 levels

( 3 ) 3 floors. When the fire broke out, there was no personnel activity on the 3rd floor.

( 4 ) 4 floors. On the day of the incident, the 4th floor Haiyun room was rented and organized by Jiangxi Yijia Zhihui Management Consulting Co., Ltd. The training did not start when the fire broke out and there were 8 people in the conference room . After being informed on the 1st floor that the fire was on the phone , 7 of them immediately left the conference room's north side gate. As shown in Figure 2.3 , the route A → B → C → D → B → E was attempted to escape, but all failed to escape and succeeded. Coma fell to the ground. After being searched and rescued by firefighters, they were sent to the hospital for rescue. Three of them died after being rescued and four were injured.

Figure 2.3 4th floor personnel escape

Figure 2.4 Level 4 personnel unconsciously fell to the ground

After the 4th floor conference room the other one being debugged conferencing equipment hotel staff found that smoke-invasive conference room, he hid in the conference room to call a colleague waiting for rescue, rescued by firemen.

( 5 ) Other floors. After the fire, Nanchang Huaxiang Property Management Co., a staff and a Baojie Gong, director of property management in accordance with telephone calls, one by one to 3, 4 owners and floor public area A, Block B within the tower to call the owners, told the owners to hide In the room, wait for firefighters to rescue.

(III) Investigation of accident scene investigation

1 . Excessive fire and smoke on all floors.

There is a large amount of burning residue on the ground floor in the center of the 1st floor (singing world clubhouse lobby). The southern area of ​​the lobby is not over-illuminated. The dismantling waste scattered on the ground is not involved in the burning, and the top is covered with smoke marks; the podium is on the 2nd floor (singing the 2nd floor of the world clubhouse ). Strong traces of smoke, most of the combustibles did not take part in the combustion; there were no traces of burning on the 3rd floor of the podium, and there was no smoke on the ground; there were no traces of burning on the 4th floor of the podium , and the dust on the ground was thicker than the 3rd floor; there were no burning marks on the other floors. Smoke traces.

2 . Deadman evacuation floor conditions. The casualties caused by the accident mainly concentrated on the 2nd and 4th floors. Site investigation:

There are 6 evacuation routes on the 2nd