HEC

Bac Ha Hydropower Project constructed on Chay river (which is the second cascade behind Thac Ba hydropower project) is the project under Vietnam power development programe, period 2001-2010 considering prospect by the year 2020 according to the decision No.40/2003 of Prime Minister.

- Reservoir storage capacity: 170 million m³

- Dam height: 75 m

- Dam crest length: 436 m

- Dam crest elevation: 183 m

- Installed capacity: 90 MW (2 units x 45 MW)

- Connecting to national grid: 370 million KWH annually.

- Total investment cost: approximately 1,850 billion VND

- Capital: own capital, loan from Vietnam Bank for Agriculture and Rural Development, Vietnam Development Bank.

- The project is invested by LICOGI Corporation in the form of Build - Operation - Own (BOO).

Several main items of the project have been constructed by LICOGI 14 as follows:

- Excavation, blasting and unloading soil and rock from pit of diversion intake with quantity of 1.2 million.

- Excavation, blasting and unloading soil and rock from consolidation of talus slope on left abutment of diversion canal with quantity of 700,000 m³.

- Excavation and construction of upstream and downstream cofferdams, berms along diversion intake with quantity of 85,000 m³.

- Treatment of plant foundation with rock and soil quantity of 200.000 m³.

- Construction of access road of hydropower plant with length of 16 km, in future, this road will be used for reservoir tourism.

- Construction of flooding avoidance road to dam abutment with length of 3.6 km.

- Production and crushing rock for concrete placement of diversion intake with quantity of 24,000 m³, crushing macadam for access road with quantity of 26,000 m³.

- Production and reserve of crushed stone for concrete placement of main dam with quantity of 600,000 m³.