Tak Lê Hydropower Project (Nam Trà My District, Quảng Nam Province) is a diversion-type hydropower plant owned by Công ty TNHH Thanh Bình. The source article states that construction is under way.
The headworks comprise 01 main dam and 04 Chiron-type water collection dams. The main dam on the Đăk Di Stream combines a concrete gravity dam with an embankment dam at the left abutment. The concrete section has a maximum height of approximately 45 m, and the earthfill section has a maximum height of 34.5 m. The reservoir has a storage capacity of approximately 0.63 million m³. The uncontrolled Piano-type spillway in the river channel has a total spillway crest length of 159.6 m.
The water conveyance system on the left bank comprises an intake structure; a headrace tunnel with B × H = 3.2 × 3.4 m and a length of 4410.35 m; 01 vertical shaft with a depth of 159.1 m and a diameter of 2.8 m; and a surge tank with D = 8 m and a height of 38.5 m.
The powerhouse contains 02 vertical-shaft Francis turbine units, with a total installed capacity of 29.5 MW and average annual generation of 89.975 million kWh. Maximum generating head: Hmax = 268.3 m; maximum discharge through the generating units: Qmax = 13.62 m³/s.
Contracting entity: Cty TNHH Thanh Bình
Contract Nos.: 189/2019/HĐTV-TVXD/TL; 01/HĐKT/TL and 01/2021/HĐTV-TVXD/TLE
Scope of work: Surveys, planning, basic design, technical design and shop drawings.
