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ISO/IEC 31010 is a standard concerning risk management codified by The International Organization for Standardization and The International Electrotechnical Commission (IEC). The full name of the standard is ISO.IEC 31010:2019 – Risk management – Risk assessment techniques.
IEC 61508 is an international standard published by the International Electrotechnical Commission (IEC) consisting of methods on how to apply, design, deploy and maintain automatic protection systems called safety-related systems.
Reliability of the electrical system is proportional to the quality of maintenance received, the correct independent part selection and the supervised installation of each electrical component in the aircraft as explained in the FAA advisory circular 43.13-1B - Acceptable Methods, Techniques, and Practices Chapter 11. [11]
These techniques are just ways of finding problems and of making plans to cope with failures, as in probabilistic risk assessment. One of the earliest complete studies using this technique on a commercial nuclear plant was the WASH-1400 study, also known as the Reactor Safety Study or the Rasmussen Report.
Should the risk assessment establish that the required SIL cannot be achieved by a SIL4 SIF, then alternative arrangements must be designed, such as non-instrumented safeguards (e.g, a pressure relief valve). [1] There are several methods used to assign a SIL. These are normally used in combination, and may include: [1] Risk matrices; Risk graphs
In electrical engineering, electrical safety testing is essential to make sure electrical products and installations are safe. To meet this goal, governments and various technical bodies have developed electrical safety standards. All countries have their own electrical safety standards that must be complied with.
Electrical shocks on humans can lead to permanent disabilities or death. Size, frequency and duration of the electrical current affect the damage. [8] The effects from electric shock can be: stopping the heart beating properly, preventing the person from breathing, causing muscle spasms. The skin features also affect the consequences of ...
Assessment of the risk-reduction required by the safety function, which will involve a safety integrity level (SIL) or performance level or other quantification assessment. A SIL (or PL, AgPL, ASIL ) applies to an end-to-end safety function of the safety-related system, not just to a component or a part of the system.