Guidelines for Initiating Events and Independent Protection Layers in Layer of Protection Analysis

The book is a guide for Layers of Protection Analysis (LOPA) practitioners.   It explains the onion skin model and in particular, how it relates to the use of LOPA and the need for non-safety instrumented independent protection layers. It provides specific guidance on Independent Protection Layers (IPLs) that are not Safety Instrumented Systems (SIS).  Using the LOPA methodology, companies typical...