Zhang's rescue process

On July 3, a sewage well on the east side of Building 2, North District of Xinhualian Jiayuan, Tongzhou District, Beijing was not well drained, and the residential property company sent maintenance personnel from the engineering department to repair the sewage lift pump in the sewage well. This well is about 6 meters deep, and below the wellhead is a sedimentation tank of about 35 square meters.

After two days of ground work, on the 3rd 14, three workers went down for maintenance without any protection. A worker will hoist the underground water pump out for maintenance. However, before entering the well, engineers did not cut off the upstream water of the sewage pipeline, nor did they drain water or even replace air. After the three workers went down the well, there was no sound soon.

A manager of the property management company arrived at the wellhead with several security guards. After seeing the situation in the well, the property manager shouted, "Help people quickly."

After three staff members went down to the underground with ropes, they soon fainted in the underground. Subsequently, several anxious security guards and property personnel went downstairs together, and soon there was no sound. After other employees outside the wellhead found out, they went down to rescue one after another, and a total of 10 people fainted in turn.

While the staff and security guards of the property company rescued, someone called the police. 14: 37, Tongzhou fire brigade received an alarm. Two minutes later, the detachment arrived at Xinhua Street Fire Squadron under the command of the police. Suddenly, the alarm bell in the squadron camp rang. Before Zhang heard the alarm, he immediately asked the deputy mid-team leader to go forward and well-documented. With the consent, he and the conductor Wang Feilong, as the first combat group, took an ambulance to the accident site.

14: 55, Zhang and other first firefighters arrived at the scene. At this point, a trapped person has been rescued and is lying on the ground dying. Not far from the underground wellhead, a security guard is trying to drag another trapped person out. Zhang and others immediately stepped forward and quickly rescued them.

At this time, the surface temperature exceeds 40 degrees Celsius. The diameter of the wellhead is about 80 cm, and a large amount of sewage flows into the well, and the water surface keeps rising. Wu Gongguan, a soldier of the war service class, had just arrived at the wellhead when he was almost fainted by the pungent smell coming from the underground.

15: 00, on-site firefighters rescued another trapped person. Xu Zhibin, the squad leader, immediately divided the firemen into two fighting groups after asking the on-site personnel about the trapped people. The first combatant Zhang and the captain of the rescue vehicle are the first combat group. Later, He Zhang put on air respirator and fastened the safety rope, and went down to rescue the trapped people.

At this point, the sewage has reached a depth of 1.56 meters, which flooded Zhang's chest. Three minutes later, Zhang He rescued the trapped Guan. 15: 00, they rescued the trapped Chen Lijun with ropes.

Just as they were preparing to rescue the fifth trapped person, the accident happened. The trapped person grabbed Zhang's air respirator suction tube and pulled off the respirator connector. Zhang was dragged into the sewage, only to see Zhang's hand struggling on the water.

The whole process was seen by Wu Mansion, a soldier in charge of communication and lighting at the wellhead. He immediately shouted to him, "monitor, it's no good, Zhang has been pulled down." Immediately order and rescue Zhang. /kloc-0: 00, Zhang was rescued from the wellhead. Comrade-in-arms called Zhang's name, but Zhang's eyes were open and he could not speak. Comrades immediately carried him to the 120 ambulance and sent him to the nearby Luhe Hospital in Tongzhou District, Beijing.

After Zhang was taken to the hospital, firefighters continued to go down to rescue until 18: 47, and the last trapped person was dragged out of the wellhead.

At this point, the bad news came and they were told that Zhang had left them forever.