40 places in Hanoi susceptible to serious flooding
The Hanoi Water Drainage Company said 40
“hot spots” in the city were at serious risk of flooding during the
coming rainy season.
The Hanoi Water Drainage Company said 40
“hot spots” in the city were at serious risk of flooding during the
coming rainy season.
Nguyen Anh Tu, the company’s spokesperson, said heavy prolonged rainfall of 50 mm or more would inundate the city’s drainage system and flood low-lying parts of the city.
“The inner city’s drainage system flows through either Thinh Liet Dam to the Nhue River or Yen Son Pumping Station to the Hong River . However, Thinh Liet Dam has been temporarily closed because of pollution in the Nhue River and this affects the system’s capacity,” Tu said.
Tu also said that the worst-affected areas would be Le Duan, Truong Chinh-Ton That Tung-Nga Tu So, Nguyen Trai, Giai Phong and Ba Trieu-Nguyen Du streets.
Nguyen Le, the company’s director, said the city’s drainage system was inadequate and that the sewerage system needed to be upgraded.
The sewerage system covered just 60 percent of the length of roads in the city and 29 percent of the length of the lanes. Many were reportedly blocked or in a state of disrepair.
The construction of new urban areas was aggravating the problem.
According to Le, a number of construction projects had actually encroached on the existing drainage system. He cited the examples of the Yen Son Canal , which had its width reduced from 20m to 3m and Hao Nam-Yen Lang Canal , which was reduced from 5m to 1.5m.
As a temporary measure, Tu said his company was dredging waterways in flood-prone areas.
The company is also working with the municipal Department of Transport to build sewerage systems along Nguyen Van Cu, Tran Khanh Du, Thuy Khue, Hong Mai, Lang Ha, Ngoc Hoi-Giai Phong, Nguyen Tuan-Le Van Luong streets before the height of the rainy season in July.
Hanoi is in the second place of its 550 million USD irrigation master plan to upgrade the city’s seweverage system.
As part of the plan, Yen Son Pumping Station’s capacity will be increased from 45 cu.m of water per second to 90cu. per second. In addition, two wastewater treatment stations will be built in Thong Nhat Park and Tran Phu commune in Hoang Mai district./.
Nguyen Anh Tu, the company’s spokesperson, said heavy prolonged rainfall of 50 mm or more would inundate the city’s drainage system and flood low-lying parts of the city.
“The inner city’s drainage system flows through either Thinh Liet Dam to the Nhue River or Yen Son Pumping Station to the Hong River . However, Thinh Liet Dam has been temporarily closed because of pollution in the Nhue River and this affects the system’s capacity,” Tu said.
Tu also said that the worst-affected areas would be Le Duan, Truong Chinh-Ton That Tung-Nga Tu So, Nguyen Trai, Giai Phong and Ba Trieu-Nguyen Du streets.
Nguyen Le, the company’s director, said the city’s drainage system was inadequate and that the sewerage system needed to be upgraded.
The sewerage system covered just 60 percent of the length of roads in the city and 29 percent of the length of the lanes. Many were reportedly blocked or in a state of disrepair.
The construction of new urban areas was aggravating the problem.
According to Le, a number of construction projects had actually encroached on the existing drainage system. He cited the examples of the Yen Son Canal , which had its width reduced from 20m to 3m and Hao Nam-Yen Lang Canal , which was reduced from 5m to 1.5m.
As a temporary measure, Tu said his company was dredging waterways in flood-prone areas.
The company is also working with the municipal Department of Transport to build sewerage systems along Nguyen Van Cu, Tran Khanh Du, Thuy Khue, Hong Mai, Lang Ha, Ngoc Hoi-Giai Phong, Nguyen Tuan-Le Van Luong streets before the height of the rainy season in July.
Hanoi is in the second place of its 550 million USD irrigation master plan to upgrade the city’s seweverage system.
As part of the plan, Yen Son Pumping Station’s capacity will be increased from 45 cu.m of water per second to 90cu. per second. In addition, two wastewater treatment stations will be built in Thong Nhat Park and Tran Phu commune in Hoang Mai district./.
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