CWA was engaged by Louisiana-Pacific to design a heated log thaw pond and associated conveying equipment for the oriented strand board (OSB) plant in Dawson Creek, British Columbia.
Process piping for heating the log thaw pond was innovatively designed to withstand a corrosive, humid environment and extreme cold weather conditions. Conveyor chains and drive assemblies were carefully selected to withstand high-impact loading.
The system included:
- A new heated log thaw pond piping system complete with log infeed magazines.
- Overhead log hold-down forwarding chains.
- Jack ladder conveyors for elevating the logs to the mill infeed conveyor systems.
The project included the design of variable speed drives suitable for start-stop operations to meet the flexible operating requirements.