In particular, in order to proactively drain water in a timely manner and prevent flooding in low-lying areas in the inner city due to the impact of heavy rain caused by storm No. 11, Hanoi Drainage One Member Co., Ltd. also requested its affiliated units to lower the buffer water level on the system, the water level of the regulating lakes is lowered to the lowest level to be ready to serve drainage when it rains, at the same time check to ensure stable operation, safe operation of pumping stations, sluice gates; increase the deployment of garbage collection at water intake gates every day.
Specifically, the Yen So Headquarters Construction Management Enterprise regularly monitors the water level on the Red River and Nhue River to proactively operate the Yen So pumping station, lowering the buffer water level on the Yen So river and lake system. During the operation process, it is necessary to ensure the safety of the machinery and equipment of the pumping station. The wastewater treatment plant management enterprise regularly monitors the water level on the system, proactively operating the 20m³/s DPS pumping station according to the correct procedure.
Drainage Maintenance Enterprises No. 1, 2, 3, 4, 5, 6, 7, 8 proactively inspect and review the area, implement measures to ensure safety for people, vehicles, and equipment, be ready to deploy when ordered and operate lake pumping stations to minimize water levels; Regulate and maintain lake water levels according to regulations; Manage and operate sluice gates and pumping stations according to procedures; Promptly handle incidents arising on the system within 12 hours of detection to ensure traffic safety when storms occur.
According to the Hanoi Department of Construction, in order to be proactive in natural disaster prevention, control and search and rescue in 2025, ensuring that activities take place normally and meet the requirements of the City's Steering Committee for Natural Disaster Prevention, Control and Search and Rescue, the Hanoi Department of Construction has developed a plan to prevent floods and storms to proactively respond to storm and rain scenarios that may occur in Hanoi.
Specifically, for flooded areas of 10cm or less (Option 1), relevant units will inform the VOV traffic channel about the depth of flooding and traffic congestion (if any) to warn traffic participants. For flooded areas of 10cm to 20cm (Option 2), units will place flood warning signs, clearly stating the maximum depth on the road surface at the two ends of the flooded area (2 sets of signs).
For flooded areas over 20cm to 30cm (Option 3), the road management contractor will arrange a person to guide and regulate traffic (1 person). For flooded areas over 30cm (Option 4), the units will promptly report to the Department of Construction to block the road and issue a notice to organize traffic flow (if necessary); Place barriers, flood warning signs, clearly stating the maximum depth on the road surface, prohibition signs, and directional signs at the two ends of the flooded area (2 barriers, 6 sets of signs and necessary equipment to guide and regulate traffic).
Regarding the scenario of average rainfall below 100mm/day, there are 11 flooded areas in the city, the specific treatment options are as follows: 6 treatment points according to option 1; 2 treatment points according to option 2; 3 treatment points according to option 3. The number of signs and guides needed for implementation includes: 10 sets of flood warning signs, 3 traffic guides from the road management contractor, 3 drainage unit, 3 traffic inspection force;...
Regarding the scenario of average rainfall of over 100mm/day, there are 30 flooded areas in the city, the specific treatment options are as follows: 18 treatment points according to option 1; 5 treatment points according to option 2; 7 treatment points according to option 3. The number of signs and guides needed for implementation includes: 24 sets of flood warning signs, 7 traffic guides from the road management contractor, 7 drainage units, 7 traffic inspection forces;...
With the scenario of possible flooding points in Hanoi with the corresponding average rainfall of 300mm/day, there are 177 flooding points in the city (of which 145 points are provided by the Water Supply and Drainage Department, 32 points are updated by the Maintenance Department in the remaining areas from data from previous years), the specific handling options are as follows: 16 points are handled according to option 1; 50 points are handled according to option 2; 65 points are handled according to option 3; 46 points are handled according to option 4. The number of signs and guides needed for implementation includes: 220 sets of flood warning signs, 110 traffic guides of the road management contractor, 110 drainage units, 50 traffic inspection forces;...
To respond to effective plans, the Hanoi Department of Construction assigned the Traffic Infrastructure Management Department to preside over, monitor and update the situation according to the developed plans, and urge the units to organize implementation; At the same time, provide information to the Traffic Police force and People's Committees of communes and wards to coordinate implementation; Synthesize the implementation results and promptly advise and propose arising situations (if any) and advise on issuing notices to adjust traffic organization to ensure traffic safety and avoid traffic congestion.
According to the National Center for Hydro-Meteorological Forecasting, on October 5, storm No. 11 (Matmo) will move into the Gulf of Tonkin; then around the morning of October 6, the storm will enter the mainland area between Quang Ninh province with an intensity of 8-9, gusting to level 12. Hanoi is unlikely to be directly affected by the storm's winds. However, it is forecasted that from early morning of October 6 to the end of October 7, Hanoi will have moderate to heavy rain, with rainfall ranging from 70-120mm in general, and over 150mm in some places. Therefore, agencies, units and people should proactively prevent localized flooding, minimizing the impact of the storm.
Source: https://baotintuc.vn/xa-hoi/ung-pho-bao-so-11-ha-noi-kich-hoat-cac-bien-phap-tieu-thoat-nuoc-phong-chong-ung-ngap-20251005113649368.htm
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