Process unit shutdown 1/3

What is the main reason for unit shutdown being very costly?

• Contract labour, pressure to meet deadlines

• No unit gross income during shutdown

• Increased payroll

• Waste of unit streams

When is a planned shutdown for maintenance and repairs called?

• Emergency shutdown

• Unit inspection shutdown

• Turnaround (TAR)

• Business downturn shutdown

What is the purpose of major equipment inspections that require a shutdown?

• To check vessel integrity and corrosion rates

• To increase production rates

• To reduce business downturns

• To prevent accidents investigations

In case of a major fire or explosion, what may require the shutdown of a unit?

• Unit inspections

• Schedule turnaround

• Emergency situations

• Business downturns

What is the common reason for shutting down a unit during a business downturn?

• To prevent accidents investigations

• Production exceeds product sales

• To check vessel integrity and corrosion rates

• To increase production rates

What is the main expense incurred during a unit shutdown that wastes manpower, utilities, and energy?

• Off-specification product produced

• Additional manpower

• Loss of production

• Increased accidents and injuries

What is the purpose of a turnaround (TAR) shutdown?

• To prevent more worst situation

• Unit process faced corrosion, erosion, wear, and fatigue

• To reduce business downturns

• Planned shutdowns for maintenance and repairs

When do major equipment problems require a shutdown?

• To check vessel integrity and corrosion rates

• To reduce business downturns

• To prevent more worst situation

• If key critical equipment fails between scheduled turnarounds

What is the purpose of shutting down a unit in case of a complete electrical power failure?

• To prevent more worst situation

• To reduce business downturns

• To prevent accidents investigations

• To check vessel integrity and corrosion rates

What is the outcome of a unit shutdown during a business downturn?

• To prevent accidents investigations

• To check vessel integrity and corrosion rates

• To increase production rates

• Process units reduce production rates or circulate for a period of time