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The header identifies the FDA district office that performed the inspection, the date(s) of inspection, name and address of the facility that was inspected, the name and title of the individual to whom the 483 is issued to (usually the most responsible individual physically present in the facility), a brief description of the type of facility, and the facility's FEI (FDA Establishment ...
A process plant shutdown system is a functional safety countermeasure crucial in any hazardous process plant such as oil and gas production plants and oil refineries. The concept also applies to non-process facilities such as nuclear plants. These systems are used to protect people, assets, and the environment when process conditions get out of ...
A turnaround (TAR) is a scheduled event wherein an entire process unit of an industrial plant, such as a refinery, petrochemical plant, power plant, or paper mill, is taken offstream for an extended period for work to be carried out.
Emergency core cooling systems (ECCS) are designed to safely shut down a nuclear reactor during accident conditions. The ECCS allows the plant to respond to a variety of accident conditions (e.g. LOCAs) and additionally introduce redundancy so that the plant can be shut down even with one or more subsystem failures. In most plants, ECCS is ...
Forced outage rate (FOR or FOAR) of a power station unit is the probability that the unit will not be available for service when required.. FOR is defined as the number of hours the unit is on forced outage over the total number of hours in a year (which is the sum of hours the power station is available for service and hours the power station is in forced outage).
Layers of protection analysis (LOPA) is a technique for evaluating the hazards, risks and layers of protection associated with a system, such as a chemical process plant. . In terms of complexity and rigour LOPA lies between qualitative techniques such as hazard and operability studies (HAZOP) and quantitative techniques such as fault trees and event trees.
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To reduce inspections and shutdowns and provide longer run length without compromising safety or reliability; To safeguard integrity; To reduce the risk of failures; To increase plant availability and reduce unplanned outages; To provide a flexible technique able to continuously improve and adopt to changing risks