STM was involved in the supply of a conveyor line for concrete placing on the Site C Dam, a third dam and generating station on the Peace River in the northeast of British Columbia, Canada.
The project will provide 1,100 megawatts of capacity and about 5,100 gigawatt hours of energy each year to the province’s integrated electricity.
The conveyor system runs inside the dam body and its configuration is managed by different phases. At the end of the conveyor line an innovative swinger conveyor loads the truck with RCC.
The special swinger conveyor:
- can reach up to 45m boom;
- can load 2000 tons/h;
- is a telescopic one;
- is able to tilt and to swivel;
- has no fix foundation in the ground;
- is a self lifting structure.
This new swinger conveyor has been designed to meet the contractors need for flexibility. The swinger is placed on a solid self lifting jacking post. This structure has the following characteristics:
- designed with heavy profiles and sheets;
- fixed in the dam shaft (no steel structure embedded) to refill by RCC;
- Hot zinc plating of all steel structures;
- Supporting function for double bridge conveyor;
- Pistons and hydraulic power unit to manage automatically lifting operations during the Dam growing (only concrete precast at customer care).
On July 26th, the Site C dam marked its fourth year of construction while on the 1st of November the contractors completed the concrete placement ahead of schedule. Thanks to STM conveyor package as well, on the 07/08/2018 the site was able to place more than 7,000m3 of roller-compacted concret, a production record for the whole team.
