Turnaround Maintenance (TAM) is the scheduled and periodic shutdown (total or partial) activity of a plant that means the daily plant operations are completely stopped during the turnaround maintenance work. A TAM (Turnaround Maintenance) involves the maintenance related activities: cleaning, inspection, repair, and replacement by a shift operation. The plant turnaround work is an important role in maintaining consistent productive capacity, and normally performed by outside contractors by every scheduled at least 1 ~ 4 years in advance. 

Related Definitions: The Operation and Maintenance; Project