Health, Safety and Environment

On January 4, 1966, the Feyzin Refinery near Lyon, France one of history’s most significant industrial accidents occur. A routine maintenance task escalated into a catastrophic fire and a series

On July 6, 1988, an explosion and fire occurred on the Piper Alpha platform in the North Sea when a standby condensate pump, which had its pressure safety valve removed

The objective of Human or Procedural HAZOP is to identify human failures during an activity and assess the potential for operator recovery or other risk reduction measures that stop this

Objectives of HAZOP (Hazard and Operability Study) The Hazard and Operability Study (HAZOP) is a structured and systematic technique used to identify hazards and operability issues in process systems. Its

Estimating the duration of a HAZOP study is one of the most challenging responsibilities of a HAZOP leader. There are no universally accepted rules for determining how long a HAZOP

In a HAZOP study, consequence analysis focuses on qualitatively identifying and clearly describing what can happen after a deviation, without calculating frequencies or risk reduction as done in LOPA. The

A Hazard and Operability (HAZOP) study identifies hazards and operability issues, but recommendations are what convert those findings into actual risk reduction. Weak or vague recommendations dilute serious findings, delay

What Is “Line of Fire” in Safety? In workplace safety, the Line of Fire (LOF) refers to any position where a person is exposed to potential injury due to moving

A successful HAZOP study depends not only on methodology, but also on clearly defined roles and responsibilities. When expectations are agreed at the start and each team member understands their