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Mound Infiltration System Handles Seasonal Flow Variations for Western Canada Airport Upgrade

The key challenge of this project is the seasonal variation in wastewater flow and strength. In the summer, the terminal will see up to 50 people per day, while in the winter months there may be only 10 visitors per week. Keeping the mound functional and preventing freezing during the slow months, while having enough capacity for the high season was a challenge. Retaining the overall aesthetic of the site including the caretaker’s residence was also a challenge.