Investor: Hong Kong Construction Investment Joint Stock Company
Project implementation location: Chim Van commune, Bac Yen district, Son La province
Implementation period: from 2013 to 2015
Design capacity: 14MW
Scope of work performed:
– General contractor for construction of items: Head dam, water tunnel, pressure pipe abutment, factory and discharge channel.
– Construction, fabrication and installation of hydraulic mechanical systems: valve slots, valve gates and pressure pipes.
– Construction of 110kV transmission line connecting to the national power grid.
Processing and collecting construction stone for concrete construction
The most difficult point is also the critical path of this project is the Aqueduct section with a total length of about 2.9km, with a horseshoe-shaped tunnel size of 3.2 x 3m, reinforced with steel and concrete arches. reinforced concrete, reinforced concrete foundation after cleaning and clearing according to design requirements. The entire tunnel carries water, in addition to the main tunnel, there are 3 auxiliary tunnels, 1 pressurized well and stone traps arranged near the exit of the tunnel. The company has organized the construction safely, ensuring the technique, quality and schedule.
Construction of water tunnels
Construction of water tunnels
Pictures of the construction of the focal dam
Construction of hydroelectric plants
Installation picture of electromechanical equipment system
Pictures of construction of 110kV . substation
After nearly 2 years of construction, with the contribution of generations of engineers, technical workers of the Company and associated partners, Nam Chim Hydropower Plant has been put into operation and exploitation every year. contribute nearly 50 million KWh to the national electricity system.
