Heavy rains, many hydropower plants in Nghe An increase discharge

QUANG ĐẠI |

Nghe An – Many hydropower plants increase discharge to ensure reservoir safety.

On September 21, information from the Steering Committee for Natural Disaster Prevention - Search and Rescue and Civil Defense of Nghe An province said that Khe Bo hydropower reservoir (Tuong Duong district) has a plan to increase the water discharge flow downstream.

Khe Bo Hydropower Plant plans to increase the reservoir flow through the spillway at 8:40 p.m. on September 20, with a discharge flow from about 2,000 m3/s to 2,800 m3/s (discharge through the generators and through the spillway).

The spillway discharge period ends when the water flow into the reservoir is less than the power generation through the generators. The discharge rate may vary depending on the water flow into the reservoir.

Cau tran o huyen Thanh Chuong ngap, khong the luu thong. Anh: Hai Dang
The spillway bridge in Thanh Chuong district is flooded and cannot be used for traffic. Photo: Hai Dang

The Standing Office of the Steering Committee for Natural Disaster Prevention - Search and Rescue and Civil Defense of Nghe An province informs authorities at all levels, agencies, units, investors who are constructing along the river, on the river, owners of water transport vehicles and all people in the area downstream of Khe Bo Hydropower Plant to carry out necessary work to ensure safety.

Previously, from noon on September 19, due to heavy rain, hydroelectric plants in Nghe An including Ban Coc, Chau Thang, and Que Phong district simultaneously released water.

Also in Que Phong district, Song Quang hydroelectric reservoir, Chau Thon commune released water to regulate the flow from 30m3/s - 200m3/s, at 7:30 p.m. on September 20.

Ban Ve Hydroelectric Reservoir, the largest hydroelectric reservoir in the North Central region, is also discharging water with a discharge flow through the project from 800m3/s to less than 1,000m3/s.

In Anh Son district, heavy rains caused the water level in rivers and streams to rise rapidly. There are also 28 flooded areas in the district, including the Khe Loa bridge pier on Provincial Road 349D, which has been eroded and is at risk of collapsing.

On the afternoon of September 20, Ms. P.T.T. (born in 1986, residing in Tuong Son commune, Anh Son district) was riding an electric bicycle carrying her two children across Ong Han bridge, Hoa Son commune, when she was swept away by floodwaters. The two children managed to cling to a bamboo tree and were rescued. Ms. T. was missing. That evening, authorities found Ms. T.'s body.

In Thanh Chuong district, due to continuous heavy rains, water from upstream poured down, causing flash floods and landslides in the locality. Flash floods occurred in hamlet 6, an area adjacent to the border commune of Ngoc Lam, causing 3 houses to be completely submerged.

In Dien Chau district, there are 13 communes at risk of flooding with the largest flooding depth from 0.1 - 0.5m. Over the past few days, the sluice gates on the system of more than 20km of sea dykes and more than 25km of river dykes have been opened to drain water for the areas.

QUANG ĐẠI
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