Overview of Turnarounds & Shutdowns

Turnarounds (TA) involve the planned shutdown of a section of an industrial plant (e.g., refinery, chemical/petrochemical plant, power plant) or of the entire facility to perform major maintenance, overhaul, and repair operations and to inspect, test, and replace process materials and equipment. In addition, turnarounds often provide operators the opportunity to perform debottlenecking, process upgrades, and capital project improvements while the unit or facility is offline. The primary purpose of turnarounds is to conduct the activities necessary to keep the plant running safely, reliably, and as efficiently as possible.


A Shutdown is a general term used in the O&G and Process Industries to describe the period of time in which a plant, unit, or piece of equipment is out of service. Shutdowns usually occur to perform scheduled and opportunity maintenance or inspections; however unplanned, or emergency shutdowns are also possible.

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