HAZOP is a brainstorming session – carried out in workshop format – with objectives to identify any design or operability issue within the facility that might lead to safety or operation problems. HAZOP session should consist of a team with a multidisciplinary background, guided by a Facilitator. To help the brainstorming done systematically list of guidewords is used during the workshop and a Scribe will minutes the points result from the brainstorming.