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Flood water on 27 roads in the main city

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classification:
Urban drainage
release time:
2019-06-26

Since the 23rd, the main city of Kunming has ushered in heavy rainfall. As of yesterday morning, a total of 27 inundated water points appeared, resulting in broken roads or poor traffic in many places. The reporter learned from Kunming Drainage Facilities Management Co., Ltd. (hereinafter referred to as the Municipal Drainage Company) that from the heavy rainfall that occurred on the 23rd, the drainage department started the level IV emergency response in a timely manner, activated the rainwater pollution storage tank, and started emergency drainage work overnight. At 6:42 am yesterday, all the water points were disposed of.

According to the statistics of the Municipal Meteorological Bureau, from 7 to 11 pm on June 23, Kunming's main urban area was generally down to heavy rain, and the accumulated rainfall over 20 hours in 3 hours reached 13 rain stations, including Izba 49.8 mm. Wuhua prison 40.8 mm. From 6 pm on June 24 to 6 a.m. on June 25, the main urban area again experienced heavy rains and local heavy rains. There were two rain stations with cumulative rainfall exceeding 100 mm (heavy rain level) in 24 hours, respectively, 143.7 mm in Hongyun Street and Yanchang Credit The company has 122.5 millimeters; there are 7 rain stations with cumulative rainfall exceeding 50 millimeters (storm level), of which 93.1 millimeters are on the Venus interchange.

City drainage company statistics show that successive days of heavy rain caused a total of 27 roads in the main urban area. Among them, there are 3 heavy water points with a depth of more than 30 cm. The middle section of Longquan Road Kunba (100 cm depth of water), the second ring road from Jinma Interchange to Dashuying Interchange (40 cm depth of water) 2 The road is broken, and the lotus pond section of Xuefu Road (water depth of 40 cm); 10 moderate water points with a depth of 15 cm-30 cm, which are 41 Hongjin Road, Haiyuan Middle Road, and Renmin West Road Crossing, the intersection of Renmin West Road and Kehua Road, the entrance of Beijing Road Beichen Wealth Center, the Tianxia section of Beichen Avenue Chexing, the Luosuopo section of Wuyuan Road, the prospecting plant section of East Road, the intersection of Bailong Road and Nanyuan Road, Yu The Longlu and Dianyingcun sections and Caiyun North Road pass through the Guikun Railway section, and the roads have not been broken; there are 14 light water points with a depth of 6cm-10cm, which are respectively Hongyun Road (Longquan Road to Xiaokang Road) Road section), Longquan Road (from the entrance of University of Finance and Economics to Golden Avenue), the second ring road and the Panjiang West intersection, the second ring road of the Huangtupo overpass, the intersection of Phuket Road and Datang Road, the intersection of Kehua Road and Yanling Road , The second floor of the Second Ring Road North Venus Interchange, the intersection of Beijing Road and Linyu Road, Qianwei West Road and Lao David West intersection, Changhong Road in Forest City building materials segment, through Kunming River railway section under the Second Ring Road, the tunnel under the road Kim Dong Xiang Horse district, rain Long Road 199, Niujie village.

According to the relevant person in charge of the municipal drainage company, based on the accurate forecast of the meteorological department, the municipal drainage company started a level IV emergency response at 3:30 pm on the 23rd, and canceled the level IV emergency response at 9 am on the 24th; at 00:00 am on the 25th 15 minutes to start the level IV emergency response, 1:35 points to raise the level IV emergency response to level III emergency response. "As of 6:42 am on the 25th, the Municipal Drainage Company has dispatched 247 flood control team members and 68 working vehicles to conduct a comprehensive inspection of the drainage of municipal roads in the area of responsibility, and disposed of all 27 submerged water. In addition, the Municipal Drainage Company He also actively assisted the developer of Jindiyue Tianxia Lot to dispose of the flooding points at the junction of Qianwei West Road and Lao Qianwei West Road. "The person in charge said that in order to ensure the flood protection safety of the North Station through the tunnel, the city drainage company dispatched 13 flood control team members to the alliance Intersection on duty. At about 9:30 p.m. on the 24th, the water level of the Union Road pipeline rose to 12 cm below the road surface. The city drainage company docked with the Water Affairs Bureau of Panlong District to open the lined sluice gate; due to continuous rainfall, the water level of the pipeline rose again at 0 am on the 25th and occurred Overflow, in order to prevent backwater from flooding down through the tunnel, the city drainage company laid a flood control chair at the intersection of the Alliance, and opened the Maxiangou River Sluice at 0:15 (the gate water level is 80 cm) to ensure that there is no flooding in the North Station area. occur.

Impact 1

Dianchi water level rises 0.02 meters

In the evening of the 24th to the early morning of the 25th, heavy rains and local heavy rains fell in Kunming. This rainfall caused flooding to varying degrees in some sections of the northern urban area. After the rain, the water levels of the Panlong River and Dianchi Lake also rose.

As of 8 am yesterday, the maximum rainfall in the main urban area was 122.5 mm for Wuhua Tobacco Factory Credit Cooperative, 121.7 mm for Xingning Temple, 93.5 mm for Lianhua, and 93.1 mm for Panlong Venus Interchange; the maximum rainfall in the county was 108.5 mm for Luquan Maoshan , Songming Stone Reservoir 106.5 mm, Songming Daying Village 86.7 mm. After the rainfall, the water levels of the Panlong River and Dianchi Lake rose. At 10:40 pm on the 24th, the highest water level of the Panlong River reached 1893.38 meters, corresponding to a flow of 49.1 cubic meters per second. At 3 am on the 25th, the Panlong River flow reached a maximum of 55 cubic meters per second, corresponding to a water level of 1902.23 meters. At present, the Panlong River has a water level of 1889.72 meters and a flow of 24.8 cubic meters per second. The water level is gradually falling. In addition, the water level of Dianchi Lake was 1878.19 meters, an increase of 0.02 meters from the 24th.

The rainfall also caused flooding to varying degrees in various sections of the Kunming main city, including the eighth section of Kunming, Baiyun Road, Longquan Road to Xiaokang Avenue, and Beichen Wealth Center Section of Beijing Road. After the rain occurred, the Municipal Flood Control Office promptly requested that the districts of the main city and the municipal drainage company organize personnel to rush to the site for drainage treatment as soon as possible. As of press time, all inundated water points in the main urban area have been disposed of, and no disaster reports have been received for the county.

In the next step, the Municipal Flood Control Office will pay close attention to the rain situation, and actively coordinate the county flood control offices, drainage, traffic police, fire rescue and other departments to do a good job in emergency rescue.

Impact 2

2 days of continuous rainfall quenches thirst in Kunming

In the past two days, Kunming ushered in continuous rainfall. Yesterday, the reporter learned from the Municipal Flood Control and Drought Relief Office that the rainfall effectively relieved the drought in the city and increased the storage of water in the city ’s ponds.

From the morning of the 24th to the morning of the 25th, moderate to heavy rains and local heavy rains appeared in central and northern counties of Kunming. Local heavy rains occurred in Luquan, Songming, Wuhua and other places. It's raining. According to the monitoring data of the municipal meteorological department, from 8 am on the 24th to 8 am on the 25th, the rainfall in Kunming City was 19.6 mm; there were 140 stations of light rain, 110 stations of moderate rain, 111 stations of heavy rain, and 42 stations of heavy rain. Heavy rain 4 stops. According to statistics, as of yesterday, the average rainfall in Kunming was 191.3 millimeters. This rainfall was the lowest since 1989, 113.7 millimeters less than the same period in history, and 37% less. %. The stations in the city are less than the same period in history, especially the average rainfall in Dongchuan this year is only 77 mm, which is 71% less than in the same period in history. The rainfall in the main city of Kunming is 170.2 mm, which is 55% less than in the same period in history. .

The rainfall for 2 consecutive days has played a positive role in effectively alleviating the drought situation in the city, and it has also increased the storage of reservoir ponds to a certain extent. As of yesterday, a total of 444,762,600 cubic meters of water were stored in the "seven reservoirs and one station" of the main city's water supply, an increase of 203,600 cubic meters over the 24th. Among them, effective rainfall occurred in the three major water supply reservoir areas, which increased The amount of water. It is understood that the Yunlong Reservoir area has a rainfall of 37.6 millimeters, and the water storage capacity has increased by 326,900 cubic meters, and the water storage capacity has now reached 28,915,700 cubic meters. The Songhuaba Reservoir reservoir area has a rainfall of 28.2 millimeters and a water storage of 57.302 million cubic meters. On the 24th, it was flat; the rainfall in the Qingshuihai Reservoir area was the largest, at 38.9 millimeters, and the total storage capacity of the reservoir after the rainfall was 80.5 million cubic meters. At present, the water level of Dianchi Lake is 1878.19 meters.

According to previous statistics, as of the 21st, the city ’s total pond water storage was 833 million cubic meters, which was 247 million cubic meters and 23% lower than the 1.08 billion cubic meters of the same period last year, and 0.5 less than the 883 million cubic meters of the same period in history. 100 million cubic meters, 6% less. The meteorological department predicts that the precipitation will gradually weaken after the 25th, and it will be cloudy with rain showers on the 26th and 29th. From June 30th to July 1st, there will be another heavy rain in the city. With the increase of rainfall, it will have a positive effect on further alleviating the drought in the city.

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Inundation of water on multiple sections was temporarily interrupted for two consecutive days of heavy rain hitting the city As of 20:30 yesterday, all inundation points have been processed and traffic has returned to normal