Layer of Protection Analysis (LOPA)is a hazard analysis method that precludes the use of HAZOP.

Question

Quizplus · Accepted Answer

LOPA is a complementary method to HAZOP that uses quantification of risk to identify the adequacy of existing safeguards and the need for additional layers of protection. LOPA cannot replace HAZOP as it does not identify all possible deviations, causes and consequences of a process, which is the main objective of HAZOP.

Layer of Protection Analysis (LOPA)is a Hazard Analysis Method That