On July 18th, in the West Road of North Fourth Ring Road, Zhongguancun, Beijing, the staff of Zhongguancun Street cleaned up the accumulated water and opened the manhole cover to speed up the drainage (mobile phone photo). Xinhua news agency
Xinhua News Agency, Beijing, July 18th Question: When the rainstorm comes, Beijing answers the flood control "examination paper" like this.
Xinhua news agency reporter
Heavy rainfall occurred in Beijing from July 16th to 18th. At 7: 10 on the 18th, the Beijing Meteorological Observatory upgraded and issued an orange rainstorm warning signal. Flood control departments at all levels and social flood control forces in Beijing were moved by the news of the "flood season" and tried their best to answer the "examination paper" on flood control.
Prepare for a rainy day.
Affected by the cloud system around the vortex, a heavy rainfall weather process occurred in Beijing from July 16 to 18. At 7: 10 on the 18th, as the rainfall continued to climb, the Beijing Meteorological Observatory upgraded and issued an orange rainstorm warning signal.
When the storm is coming, the flood control department will quickly deploy: the meteorological and hydrological departments will closely follow the weather situation and conduct 24-hour rolling monitoring, forecasting and early warning; The Beijing Flood Control Headquarters publicized widely, reminding the general public to avoid going to dangerous areas such as mountains and rivers, not wading through water, and avoiding parking in low-lying areas and under bridges to ensure the safety of life and property; Beijing Hydrological Station issued a blue flood warning to remind citizens to stay away from rivers and ensure their own safety … …
In order to ensure the safety of people’s lives to the greatest extent, Beijing has taken actions in advance to resolve potential risks. The reporter learned from the Beijing Emergency Management Bureau that Beijing has focused on strengthening the prevention and response of dangerous buildings in mountainous areas and urban areas, and timely closing scenic spots, sealing ditches and sealing dangerous roads. At the same time, the personnel of dangerous villages in mountainous areas and dangerous buildings in urban areas will be transferred in advance, and the safety management and epidemic prevention and control of the transferred personnel will be done well.
For example, in Mentougou District, the relevant departments transferred 63 villages (communities), 440 households and 990 people from 11 towns and streets involved in the evacuation, and all 2505 people from 11 work areas of China Railway Jingxi Company were relocated. All 27 tourist attractions in Mentougou District were closed, and 6 star-rated folk villages, 41 boutique homestays and 201 star-rated folk households stopped receiving tourists. Fengtai District closed two mountain-related scenic spots ahead of schedule, arranged 259 construction sites to stop construction operations, and transferred 15 households with 47 people to avoid risks.
On July 18, the staff of Sujiatuo Town Water Station in Haidian District, Beijing treated stagnant water (mobile phone photo) in the residential area. Xinhua news agency
Action and flood "competition"
According to Guo Jinlan, chief forecaster of Beijing Meteorological Observatory, from 13: 00 on the 16th to 8: 00 on the 18th, there were 236 stations in Beijing with rainfall exceeding 50 mm and 40 stations with rainfall exceeding 150 mm.. The average rainfall in Beijing is 54.0 mm, the average rainfall in the urban area is 43.8 mm, and the average rainfall in the southwest of Beijing ranks first in the city, with 107.5 mm.
On the morning of the 18th, water accumulated in the Jin ‘anqiao section of Beijing due to heavy precipitation, and the depth of water accumulated was about 1m. Beijing Drainage Group urgently dispatched one group of large units, three groups of medium-sized units and 40 emergency rescue personnel to support as required, and completed the pumping and drainage work together with the fire department, water supply group and other departments. As of 11: 30 am on the same day, after emergency evacuation, the accumulated water has been basically removed.
In terms of flood discharge from rivers and lakes, the Beijing Water Affairs Bureau started the flood control level IV emergency response at 6: 30 on the 18th, and strengthened the duty watch and rainfall response. Urban rivers and lakes lowered the river water level ahead of schedule, and the internal waters controlled the operation below the flood limit water level. According to the upstream and downstream water inflow, all reservoirs should make flood dispatching arrangements to reduce the water level below the flood limit level, so as to ensure the safe operation of the reservoirs and the safety of the flood parade.
In Huairou District, heavy rainfall caused many routes such as Huaihuang Road, Sibao Road, Xingyang Line, etc., such as ravine flood and gravel scouring the road surface, mountain collapse and other dangers, and some sections of the road surface accumulated water. Highway flood control personnel on duty and mobile inspectors will take road closure measures as soon as they find the danger. At present, relevant departments are carrying out emergency rescue, and at the same time strengthening road inspections in the whole region to ensure that dangerous situations are discovered and disposed of in time.
It is understood that in response to this heavy rainfall, Beijing Drainage Group launched a special flood control response, and all fire rescue forces were on duty. A total of 3,291 teams and more than 110,000 people were preset and on standby in the city. The city’s three municipal-level flood control and disaster relief material reserves are on duty 24 hours a day, which ensures the needs of emergency rescue and disaster relief.
With the obvious weakening of rainfall in most areas, the Beijing Meteorological Bureau lifted the orange warning signal of rainstorm at 12: 00 on the same day, but the prevention of relevant departments did not relax at all, and they still closely followed the weather changes and kept a close eye on potential risks in various places.
On July 18th, rescue workers pumped out stagnant water in Linyushanzhuang Road, Northwest Wang Town, Haidian District, Beijing (mobile phone photo). Xinhua news agency
How to answer the flood control "examination paper"
According to the introduction of Beijing Meteorological Observatory, since the flood season began this year (from June 1 to July 13 at 8: 00), the average rainfall in Beijing is 287.2 mm, which is 90% more than the normal period (147.5 mm, 1981-2010). How to ensure the smooth passage of the flood season this year is an "examination paper" before the flood control department of Beijing.
The relevant person in charge of the Beijing Flood Control Office introduced that Beijing revised and improved five types of defense and dispatching plans according to the requirements of "within the standard" and "beyond the standard", and implemented the "one bridge, one plan" and "one point, one plan" for key bridge areas and stagnant water points; Implement the responsibility system and responsible person for key defense parts such as reservoirs, rivers, dikes, mountain torrents and urban water accumulation points at different levels; We will supplement and update the municipal emergency materials, equipment and machinery, implement the municipal flood control engineering and drainage emergency professional team, and strengthen the emergency rescue force in key flood control parts.
Liang Feng, deputy director and spokesperson of Beijing Meteorological Bureau, said that in order to do a good job in the joint defense and emergency response of flood season weather, the meteorological department has further improved its meteorological monitoring capability, strengthened forecasting and early warning technology, and further strengthened the linkage mechanism of emergency joint defense with emergency and water affairs units, with 24-hour video connection. Once there is a sudden weather situation, relevant departments can communicate in the first time and deal with it in time.
How to deal with urban stagnant water quickly? Zhang Rongbing, deputy general manager of Beijing Drainage Group, introduced that the Drainage Group installed video surveillance systems in 135 easy-to-accumulate water points in the central city, and combined with AI identification technology to identify the accumulated water in real time. Once water accumulation is found, the system will automatically pop up the window to give an alarm. In addition, the Group has arranged 169 inspection teams. The inspection team can quickly reach the water accumulation point, locate the rainwater grate by using related technologies, and dispose of it in time. (Reporter Tian Chenxu, Zhao Xu, Zhao Yuwei, Xia Ke, Ni Yuanjin)
