Plant Shutdown Terminology

4. - Closing valves or switches to cut off a machine from its power source.
5. - A formal written system that gives permission for high-risk jobs like hot work.
7. – The designated area outside the process used to stage equipment, materials, and large tools.
9. - Unplanned interruptions due to failures, emergencies, and other external factors.
10. - Deciding which repairs, inspections, and upgrades must be done.
14. - The final phase of getting the plant running and to return to service safely
15. - Scheduled event for halting all or major parts of the plant for in-depth maintenance, upgrades, or inspections
16. - Draining and cleaning out all chemicals or gases from a unit before opening it.

1. - Bringing contract workers, trailers, and gear onto the site before work starts.
2. - Ensuring hazardous energy sources are isolated and rendered inoperative before work begins.
3. - Procure materials, reserve contractor and labour, and assemble safety protocols in advance.
6. - Perform active maintenance, repairs, and real-time tracking.
8. - Testing systems to make sure they work right before full startup.
10. - Creating timelines, ordering long-lead parts, and assigning contractors.
11. - The initial training given to new workers or contractors about site rules.
12. - Temporary stoppage of operations for maintenance, inspections, or repairs
13. - Inserting solid metal plates into piping flanges to isolate active process hazards from equipment being worked on.