5 hydroelectric plants on the Da river steps ensure safety against floods

On June 24, the 36th meeting of the Scientific and Technological Advisory Council (Science and Technology) to assess the safety of dams and reservoirs on the Da River hydropower ladder took place in an online form.

At the meeting of the Advisory Council of Science and Technology to assess the safety of dams and reservoirs on the Da River hydropower ladder in 2021, Minister of Science and Technology Huynh Thanh Dat – Chairman of the Council affirmed, through the results of monitoring and measurement. parameters, assessing the working status of the works as of May 2021, the Council approved with the results of reports of the Electricity of Vietnam and the hydropower companies, evaluating the works in progress. Safe and stable working. Eligible works are ready to participate in flood control and water storage in 2021.

Based on the analysis of the operation and safety status of the works and reservoirs with the monitoring data collected until May 2021, Mr. Nguyen Tai Son, representative of the reviewers of the Council, said that the Hoa Binh, Son La, Lai Chau, Huoi Quang and Ban Chat hydropower plants are operating in a stable state, ensuring safety, ready to operate in the rainy season in 2021.

In addition, members and experts of the Council also said that the report on monitoring and evaluation results of the safety status of hydroelectric dams on the Da river system by the Hoa Binh, Son La, and Lai hydropower companies. Chau, Huoi Quang and Ban Chat have basically met the requirements.

Speaking at the meeting, Minister Huynh Thanh Dat highly appreciated the cooperation of agencies and units in the process of ensuring the safety of the hydroelectric system on the Da River hydropower ladder. The Minister emphasized that the companies have carried out the overall inspection and safety assessment of dams and reservoirs; repair and consolidate construction items and equipment; take proactive measures to prevent, combat and promptly handle damage to ensure the safety of dams and water reservoirs. Eligible works are ready to participate in flood control and water storage in 2021.

The Minister also made general notes for 5 terraced hydropower projects in Da river hydroelectricity, which are: It is necessary to develop a survey plan to assess the current status of the quality of the works; Pay attention to the maintenance of mechanical equipment and control systems in order to promptly replace equipment that does not meet technical requirements; It is necessary to set up stations to measure water quality parameters as well as regularly assess the level of water quality pollution at the construction site; Research and apply scientific and technological advances to the inspection and monitoring of dams; hydro-meteorological monitoring, flood process calculation, etc. to operate hydroelectric projects efficiently and safely for the project and downstream areas;…

The Minister suggested that the Ministry of Natural Resources and Environment consider deploying an automatic rain monitoring system, and guide the construction of specialized hydro-meteorological stations in the Da river basin to improve forecasting quality and support. decision support in the operational management process. Simultaneously, to develop plans for forecasting major floods in the condition that there is not enough information on the operation mode of reservoirs in neighboring countries.

The Ministry of Agriculture and Rural Development shall guide units managing hydropower projects to develop plans to respond to emergency situations according to regulations.

The Central Steering Committee for Natural Disaster Prevention and Control, based on the assessment of the National Center for Hydro-Meteorological Forecasting, on the possibility of late flood occurrence, actively considers for early storage reservoirs.

Vietnam Electricity Group directs hydropower companies to well implement the provisions of the Decree on Safety Management of Dams and Reservoirs (Decree 114/2018/ND-CP dated September 4, 2018 of the Government). government) to serve the safe and efficient operation of works on the Da river steps.

In addition, the Minister suggested that leaders of the People’s Committees of Hoa Binh, Son La, Dien Bien and Lai Chau provinces attend meetings of the Council to direct relevant departments and cooperate with dam owners in the work. ensure the safety of exploitation and operation of the works, especially in the management of the reservoir protection corridor and the environment of water discharged into the reservoirs.

The Institute of Geophysics provides information and results of regional earthquake monitoring to the Standing Body of the Council and the hydropower companies: Son La, Hoa Binh, Huoi Quang-Ban Chat to synchronize the data. input.

The expert group, the Council’s standing body strengthens the organization of field trips to survey, review and evaluate unusual phenomena of dams and hydroelectric reservoirs in the cascade system of Da river hydropower. before and after the flood season. Thereby, timely recommend remedial measures, and at the same time advise and assist the Minister of Science and Technology to propose scientific research tasks related to ensuring the safety of reservoirs and reservoirs. ensure absolute safety for hydroelectric projects on the Da river hydropower ladder.