Turnaround is a blanket term that encompasses more specific terms such as I&Ts (inspection & testing), debottlenecking projects, revamps and catalyst regeneration projects. Turnaround can also be used as a synonym of shutdowns and outages.
Turnarounds are expensive both in terms of lost production while the process unit is offline and in terms of direct costs for the labour, tools, heavy equipment and materials used to execute the project. They are the most significant portion of a plant's yearly maintenance budget and can affect the company's bottom line if mismanaged.
It is a major project that requires sound planning, execution and control.
The turnaround maintenance is done for the
equipment, which otherwise cannot be repaired on an emergency basis. It requires both time and large number of maintenance personnel during turnaround shutdown.
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