SCI Joint Stock Company has officially implemented first cubes of Roller compacted concrete (RCC) for the construction item of Cofferdam under Nam Theun 1 Hydropower Project.
Upon successful experiment, in April 6th 2018, SCI team at Nam Theun 1 Hydropower Project began to place flat concrete. The work was completed in 2 days before placing RCC for Cofferdam item. As per the agreement signed with Main Contractor, SCI will construct RCC for Upstream and Downstream Cofferdam with total volume of around 140,000m3, ela 123-170 starting from the river bed.
The first RCC cubes
Representative of SCI at Nam Theun 1 Hydropower Project said, all staffs and site teams were working at their best efforts to complete the RCC placement for Cofferdam within 70 days abiding to the contract signed with the Main Contractor. They believe that if the weather is fine, SCI shall complete these items timely on the basis of ensuring safety and quality.
It can be said that the construction of RCC placement for Cofferdam is considered as an important step that marking SCI's new approach to new modern technology. The reason for such choice is that it always meet every design requirement, construction schedule and can reduce the cost. SCI’s leaders hope that they will deploy RCC placement successfully at Nam Theun 1 Hydropower Project.and will be assigned to undertake such package for next projects.
The RCC Cofferdam at Nam Theun 1 Hydropower Project will be completed within 70 days
Nam Theun 1 Hydropower Project is designed with capacity of 650 MW and a total investment of 520 million USD is one of the largest hydroelectric projects in Laos located on the Nam Kading River in Bolikhamxay. At the project, SCI Joint Stock Company has signed the package contract valued nearly 500 billion VND with the Main Contractor to carry out the construction works of the Crushing Plant; RCC batching plant; quarry rock stripping & excavation; Right Bank Rooling Weir excavation ... and especially the RCC Cofferdam that SCI started to executed with RCC placement. According to the plan, the project will be constructed in 4.8 years, and will connect to grid by the end of 2021.
