Sudden flash floods and mudslides, excavators set up a “life channel” across the river.
At 2:30 am on July 20, China Ya'an City, Hanyuan County, Hanyuan County, Ma Lie Township, Xinhua Village, due to sudden flash floods and mudslides disaster, there are people trapped, in urgent need of rescue!
At 2:30 am on July 20, China Ya'an City, Hanyuan County, Hanyuan County, Ma Lie Township, Xinhua Village, due to sudden flash floods and mudslides disaster, there are people trapped, in urgent need of rescue!
The reporter learned that the Sichuan Provincial Emergency Management Department immediately launched a two-tier emergency response, mobilization and coordination of 525 people, 130 cars (Taiwan), 9 dogs to Hanyuan County, Ya'an City, to participate in rescue operations, of which the fire and rescue team of 239 people, 68 cars and 9 dogs, forest fire brigade of 222 people and 42 cars, An Neng three Bureau of professional emergency response force of 50 people and 16 units (sets) of equipment, the Provincial Production Safety Emergency Response and Rescue Information Center of 14 people and 4 Car; coordination of the Ministry of Emergency Management Wing Long - II large-scale UAV in the disaster area over the disaster detection and communication security, coordination of the National Disaster Reduction Center 3 people 4 drones, the Ministry of Emergency Response Data Center 2 people 1 drone to carry out the task of disaster scene image collection and personnel search.
Crossing the river in a digging bucket
Xiao Yuanying, a nurse in charge of Ya'an Hospital of Traditional Chinese Medicine, is one of the many rescue forces.On the morning of July 20, Xiao Yuanying and her colleague Zhang Liangjie received rescue orders and immediately took an ambulance from Ya'an City, traveling to the distance from Hanyuan County, Ma Lie Township, near the village of Xinhua, there are still about 2 kilometers from the scene of the disaster when they received the news, “The injured are on the mountain across the river, the road, the bridge has been The road and bridge have been washed out, we can't get across.”
Xiao Yuanying and Zhang Liangjie took the first-aid kit, got off the car and set off on foot, a five- or six-meter-wide fast-flowing river blocked their footsteps. “Come on up!” An excavator in the river stretched out the bucket, the two quickly squatted into the bucket, a roar, the excavator will be transported to the other side of the river. “At that time, there are constantly rescuers in and out, are relying on this excavator across the river, which has become the rescue of the 'life channel'.”
There is no road to the mountain, the foot is a landslide, a local villager involved in the rescue of Xiao Yuan Ying saw the two wearing white coats, immediately as a guide: “Above the injured, to go over the mountain, follow me.” The villager who led the way used a machete to cut through the thorns and thistles to open up a road.
Drone aerial photography
The blocked road also stopped Tang Ziyang, a staff member of the Sichuan Institute of Safety Science and Technology, who was on his way to provide technical support for emergency rescue.
“Get out of the car and let's walk over.” In order to enter the disaster area as soon as possible to carry out the work, Tang Ziyang and three colleagues decided to carry a drone, measurement sensors, satellite phones and other nearly 10 sets of technical equipment on foot into the village of Xinhua.
After arriving at Xinhua Village, they immediately went to the forward command headquarters to understand the relevant information, followed by a number of disaster sites to start the drone aerial photography operation. Although the sky was raining, which brought some challenges to the takeoff of the drone, and the wings were even stained with muddy spots, they still took off and landed at different points....... Eventually, detailed panoramic images were produced to analyze the thematic maps.
These images show in the most visual way the actual situation of the flash flood mudslide siltation, including the siltation of sediment and vegetation, the location where people were lost, and the extent of damage to houses. By coordinating historical archived and future transit remote sensing data, the rear technical team compiled remote sensing analysis thematic maps in accordance with the specifications, which comprehensively showed the overview of the affected area, the collapsed areas of houses, and the direction of flash floods, and provided decision-making references for grasping the information of the disaster situation and searching and rescuing people.
Multi-method Rescue
Rescue forces continue to increase. 7:50 am on July 21, the Sichuan Provincial Fire and Rescue Brigade 115 people ready to go, they carry a radar life detector, audio and video life detector, search and rescue dogs, communication portable station, life-saving stretcher and improvised demolition equipment, divided into five ways to enter the village of Xinhua rescue.
In the more seriously affected Xinhua Village 3 groups, 4 groups rescue, asbestos County Fire Rescue Brigade deputy brigade commander Sun Huawei found more than 20 people trapped on the other side of the river, so the team members urgently set up rope bridges, to find a place where the water flow is small, wade to the other side of the river, the masses of people will be transferred to the other side of the safety one by one.
Rescue on the 20th, because of continuous rain, the ground is slippery, the river level is unstable, the original evacuation route from time to time will be flooded and washed away. Over the mountains and rivers, how to determine a better transfer route? Firefighter Gao Guowei released the drone and search and rescue dogs, through the drone aerial photography to confirm the traffic situation, and sent search and rescue dogs in the unflooded area search and rescue.
“Guides open the way, firefighters help a hand, the elderly in the middle of the team, and then escorted by other team members at the end of the team.” Sun Huawei said that through this method, the team searched and mapped 7 households and 51 houses, and transferred a total of 23 people.