• Planned Turnarounds:

Scheduled maintenance events that are planned in  advance to minimize disruptions to operations.

• Emergency Turnarounds:

Unplanned shutdowns triggered by unforeseen  events, such as equipment failures or safety concerns. 

• Major Turnarounds:

Comprehensive overhauls involving extensive maintenance,  inspections, and upgrades.

• Minor Turnarounds:

Smaller-scale maintenance activities that do not require a  complete shutdown of the facility.