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Thursday, August 11, 2022
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    Poor urban development cause of flooding, congestion in Ho Chi Minh, say experts

    ANN/VIET NAM NEWS – Experts have called on Ho Chi Minh (HCM) City to improve urban planning to mitigate pressing problems like flooding and traffic congestion. “Poorly planned urban development” is to blame for the many problems faced by Vietnam’s largest city, they said.

    Urban development can change the environment through, for example, expanding paved areas and preventing rainwater from being absorbed by the soil, increasing flooding, especially in low-lying areas, they pointed out.

    Architect Ngô Viet Nam Son said the growing concentration of people and construction works are among the causes of the city’s congestion and flooding. “The city has focussed too much urban development in its inner areas,” he said.

    It needs to develop clusters of urban areas instead of focussing too much on the downtown, he said. “The lack of green spaces and water bodies is another cause.”

    For instance, poor solid-waste management could block rainwater and sewage drains, leading to waterlogging and flooding, he said.

    A flooded street in HCM City after heavy rains. PHOTO: VNA/VNS

    The city should reduce the density of social infrastructure in its central areas and increase green spaces and water bodies there, he said. He also said underground spaces in the central area require reservoirs to store rainwater to prevent flooding.

    Dr Ho Long Phi said it is important to improve the capacity of the sewer system, create reservoirs to store rainwater and dredge canals to keep tides low. “But the cost of anti-flood works is so high that the city cannot afford it and it requires private investment.”

    The poor regulation of construction of apartment buildings and inadequate waste management could be another reason for flooding, he said.

    It should be made mandatory for property developers to increase green spaces and water surface areas to increase water storage and drainage capacity to prevent flooding, he added.

    MAJOR TRAFFIC WORKS

    An official from the city Department of Transport said work on major traffic works would be sped up to address congestion, including Ring Roads 2, 3 and 4, and metro line Nos 1 and 2.

    It would soon open the HCM City – Moc Bài Expressway, expand the HCM City – Trung Luong and HCM City – Long Thành – Dau Giây expressways and build the HCM City – Thu Dau Mot – Chon Thành Highway, he said. It would widen National Highways 1, 50 and 13 and build a number of new bridges, he added.

    To address flooding, the city plans to soon begin work on the third phase of a project to improve the Ben Nghé – Tàu Hũ – Ðôi – Te Canal water environment, improve the drainage and wastewater networks and begin climate change mitigation works in the west.

    It will renovate seven main drainage systems.

    It will also speed up the first phase of a VND10 trillion project to tackle flooding caused by high tides.

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