Practical SIL Target Selection - Risk Analysis per the IEC 61511 Safety Lifecycle

All new 3rd Edition! This book has evolved over a number of years from a series of courses, seminars and safety engineering projects exida has completed throughout the world. Unfortunately, this project review and audit experience continues to show how easy it is to select bad SIL targets. Incorrect or missing input information, insufficient resources, lack of facilitator or team skills, and poor communication between disciplines can each lead to severe under-design and over-design problems. These problems can cost large amounts of money and sometimes even lives, yet they can usually be prevented by consistent, rational and careful application of the relatively basic techniques presented in this book.  The concepts and techniques in this book are based on the application of the Safety Lifecycle as it is described in the international standard IEC 61511 with references to IEC 61508 and 62061. The third edition has been fully restructured to provide a clearer path through the risk analys