Thac Mo Hydropower Plant conducts disaster prevention drills

Deputy General Director, Deputy Head of PCTT and TKCN Department of the company Nguyen Hung Luong commanded the drill. Participating in the drill were the operating shift, the repair force, the company's shock team and heads of units.

Deputy General Director, Deputy Head of PCTT and TKCN Department of the company Nguyen Hung Luong disseminated the drill content.

Shock team propagates safety for people in the river area

The drill scenario is as follows: According to the forecast of the National Center for Hydro-Meteorological Forecasting, there will be an emergency storm that is likely to cause flooding within the next 24 hours in the Thac Mo reservoir basin. According to the forecast calculation, the water flow to Thac Mo reservoir may increase to more than ^500m3 /s. The company's PCTT and TKCN Command Board received an order from the Head of the PCTT and TKCN Command Board of Binh Phuoc province to open spillway gates No. 1 and No. 4 by 0.5m at 9:00 a.m. to ensure the safety of Thac Mo reservoir. At 8:00 a.m., the storm reached Phuoc Long town, the incident caused a power outage on 2 10kV and 22kV lines supplying power to the spillway; the operator on duty at the spillway received an order to start the diesel generator to prepare to open spillway gates No. 1 and No. 4 at 9:00 a.m.

The PCTT and TKCN Command Board ordered: the operator on duty and the incident team to use the diesel generator to supply power to the winch to raise and lower the gate of the No. 1 and No. 4 valves. The on-duty team will fix the problem on the lines when the weather permits. The operator and the incident team will use the diesel generator to supply power to the winch to lift the No. 1 valve and continue to raise the gate of the No. 4 valve to an opening of 0.5m, completing at 9:40 a.m.

Then, at 10:00 a.m., the water level at Phuoc Hoa Hydrological Station rose to alarm level II (29m), the water level at Thac Mo Lake was 217.7m; the water flow to the lake decreased to less than ^400m3 /s. The company's PCTT and TKCN Command Board received an order from the Head of the PCTT and TKCN Command Board of Binh Phuoc Province to close the gates of No. 1 and No. 4. The PCTT and TKCN Command Board of the company ordered the shift leader to request the operator on duty at the spillway to lower the gates of No. 1 and No. 4 from an opening of 0.5m to complete closure using a diesel generator to reduce flooding downstream.

Operator monitors spillway operating parameters

Operator monitors generator operating parameters

Review and experience review meeting

After more than 2 hours of serious drills at the scene, the heads of the units met to evaluate and draw lessons. Deputy General Director, Deputy Head of the PCTT and TKCN Department of the company Nguyen Hung Luong assessed that the drill met the criteria according to the plan. Regarding some of the shortcomings mentioned, the units were required to check and handle them to ensure that the equipment is in the best condition, ready to respond to natural disasters that may occur during the 2023 storm season.

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