On the afternoon of October 10, at a press conference on the socio-economic situation of Ho Chi Minh City, Mr. Do Tan Long, Director of the Center for Technical Infrastructure Management (Ho Chi Minh City Department of Construction) shared about the heavy rain that caused many areas in Ho Chi Minh City to be deeply flooded on the afternoon of October 8.
Mr. Do Tan Long, Director of Technical Infrastructure Management Center, Ho Chi Minh City Department of Construction. Photo: My Quynh.
According to Mr. Long, the rain on the afternoon of October 8th started at 1:55 pm and ended at 6:55 pm; the peak of the rain was from 2:30 pm to 3:30 pm. The highest rainfall measured was 116mm, the highest tide was 1.36m (measured in Binh Thanh).
With the heavy rainfall, many roads in Tan Binh, Go Vap, Binh Thanh districts... were flooded immediately. Most of the flooded areas lasted for about 30 minutes after the rain.
The reason given by the authorities is that the amount of rain exceeded the design frequency of the drainage systems. Specifically, because the large drainage system in Ho Chi Minh City was built before 2015 with the ability to withstand 85mm of water in 3 hours, the small drainage systems have an even lower capacity.
"Meanwhile, the rain on October 8 lasted for about an hour, with rainfall reaching 116mm, exceeding the design frequency. Therefore, flooding was inevitable," said Mr. Long.
Many roads were heavily flooded after the rain on the afternoon of October 8. Photo: Nguyen Hang.
In addition, many locations were flooded on the afternoon of October 8 due to the road surface being lower than the surrounding terrain. Some places have houses built along canals and streams, causing the flow to be narrowed.
Regarding solutions for the coming time, Mr. Do Tan Long said that Ho Chi Minh City is focusing on completing a series of construction projects and renovating the drainage system on Le Duc Tho, Nguyen Van Khoi, Duong Van Cam, Kha Van Can streets and a number of other key projects.
At the same time, Ho Chi Minh City is removing obstacles to put into operation the 10,000 billion VND flood prevention sluice project, fundamentally solving flooding caused by flood tides at 6 main routes.
In particular, if passersby or residents in the area see flooding due to rain or high tides... they can call the hotline 1022 to report. The hotline will distribute the information to relevant units.
"People can report any content because this is the general hotline of Ho Chi Minh City, not just about flooding. When there is a report, the hotline will transfer it to the responsible unit. This is the regulation of the Ho Chi Minh City People's Committee," said Mr. Long.
The center of Ho Chi Minh City is submerged in water. Photo: My Quynh.
Previously, the Ho Chi Minh City Department of Construction announced that 13 main roads were flooded due to the rain. Including: Le Duc Tho, Quang Trung, Nguyen Van Khoi (old Cay Tram), Dang Thi Ranh, Bach Dang, Thao Dien, Quoc Huong, Nguyen Van Huong, Duong Van Cam, Kha Van Can, National Highway 1 (section through Thu Duc City), Phan Anh, Ho Hoc Lam.
Six roads flooded due to high tides include Huynh Tan Phat, Tran Xuan Soan (District 7), Le Van Luong, Dao Su Tich, Pham Huu Lau (Nha Be district) and National Highway 50 (Binh Chanh district).
According to Mr. Long, this list of main roads is a list of main roads and is understood as roads with direct drainage to rivers and canals. The list also depends on the decentralization of management (regulation No. 22 of the Ho Chi Minh City People's Committee).
Currently, the drainage system in Ho Chi Minh City (Thu Duc City separately) is managed and operated by the Technical Infrastructure Management Center.
During the recent rain on October 8, Ho Chi Minh City saw several other flooded streets, such as Nguyen Gia Tri and D5 (Binh Thanh District). The main cause was determined to be heavy rain and an overloaded sewer system.
Source: https://www.baogiaothong.vn/so-xay-dung-tphcm-ly-giai-ngap-la-do-mua-lon-19224101017393942.htm
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