The refining company needed to continuously monitor the pressure in Z-Purge junction boxes around the refinery. These junction boxes were maintained at a low positive pressure to prevent process gasses from entering the junction boxes. These junction boxes are widely distributed throughout the plant. Previously these junction boxes were manually monitored by operators on periodic rounds in the refinery.

Alcan had a tight schedule to expand its bauxite to alumina mineral processing refinery from 2.2 to 3.8 million tons. Alcan’s challenge included balancing the capital cost, minimizing the number of construction personnel on-site, integrate the green-field and brown-field facilities without affecting current operating facilities whilst achieving project budget, schedule and quality.