



Client:
- Hydraulic Project Investment and Construction Management Board 2
 
Location: Duong Quang commune, Bac Kan town, Bac Kan province
Tasks of Works:
- Water supply for irrigation for more than 530 hectares of agricultural land.
 - Water supply for domestic, industrial, and service use at 24,000m3/day and night
 - Flood mitigation for Bac Can town, with flood frequency P=10%, the water level at Cau Pha does not exceed +134.50m.
 - Maintain flow in dry season at 0.7 m³/s
 - Creating environmental landscapes, developing eco-tourism, supplying and retaining water resources for protective forests, aquaculture.
 
Main technical parameters
- Grade of Works: II
 - Storage capacity: 12.00 x 10 6 m³
 - Main dam: Earth dam, H max = 31.13 m
 - Spillway : Labyrinth type combined gated spillway; design discharge Q p=1% = 766 m³/s, Check discharge Q check= 888 m³/s, exceed check flood Q exceed check flood = 930 m³/s.
 - Water intake: Q design= 1.72 m³/s with B x H = 1.4 x 1.5 (m) and HDPE round pipe 2.71km long
 
Total investment amount: 746,265,000,000 VND
Equipment installation costs: 243,738,000,000 VND.
Duration:
- Commencement: 2015
 - Completion: 2018
 








