Michel Archive
Every company is in the business of making money. So far so good. But taking too much risk can get you out of business. Profits Over Safety is not a sound business strategy. The latest company that took profits over …
There are many manufactures of mechanical devices (valves, actuators, etc) that claim that their devices can be used in SIL 3 applications. In this post I am going to explain that most mechanical devices actually will never achieve SIL 3. In …
A factory acceptance test (FAT) is not the problem. An FAT, if well done, is a good thing. The problem is the majority of FATs are not well done. The purpose of an FAT is to test hardware and software …
Even though safety is in first instance a management responsibility, you can make the difference. The future of safety is in your own hands. You can make a difference by taking responsibility.
There are always 4 professionals involved in functional safety work. One to do the work, one to verify, one to assess, and one to manage.
Nobody is perfect, everybody can make mistakes. Even the most competent professionals, with great education and years of experience can make mistake while dong their work. You would not be human if you would never make a mistakes. Where people …
SIL Lifecycle In the functional safety world we perform our work according to a lifecycle. Typical functional safety standards, like IEC 61508, IEC 61511, and so on, include the lifecycles, but they are usually not very practical. The IEC 61508 …
End users need to proof test their safety functions to make sure they still work as specified. Many end users struggle with the question how often a proof test needs to be carried out. Especially in the process industry were …
Risknowlogy has trained over 4000 professionals world wide with the SILComp® training since the inception of the TUV Functional Safety Certification Program in 1999. We and TUV SUD take our functional safety training program seriously. There are strict requirements to achieve …
More and more the question comes whether operators can be part of the safety instrumented function? And if yes, what is the PFD of an operator? What are the problems and what to pay attention to when doing so.
Governments do not always understand risk and therefore cannot put public safety first. This posts discussed what Governments should do.
Wonder whether redundancy is the same has hardware fault tolerance (HFT)? Want to know how voting influences HFT and redundancy? In this post we explain what redundancy, HFT and voting is and how they influence each other.
The Indian government has taken some bold decisions to improve safety in India. Directors of state owned companies are now personally responsible for accidents. This is a very good decision and should actually be applied to any company in any …
