Process Safety Products, News, Articles, Application Stories, Events, Training & Resources >> Power Engineering, October 2011
By Jerome Farquharson and Alexandra Wiesehan, Burns & McDonnell
When adding, modifying or upgrading a system, many critical infrastructures conduct a factory acceptance test (FAT). Because it is difficult to predict the correct operation of the safety instrumented system or consequences due to failures in some parts of it, a FAT provides a valuable check of these safety issues.