Course Objective

Introduce hazard identification and develop a basic understanding of the Hazard and Operability Study technique by means of short presentations and a syndicate exercise. The syndicate exercise will be chosen to match the client's activities. Attendees will gain the following benefits:

• Understand the power of HAZOP
• identify when to apply HAZOP
• Understand the HAZOP guideword method
• Understand the human and engineering data resources required
• Be able to plan and report a HAZOP study
• Contribute more effectively at HAZOP study meetings

Course Outline

• Introduction
• Normal start up and shutdown of plant
• Operating deviation

• Pressure deviation
• Flow deviation
• Level deviation
• Changes in physical characteristics

• Control system
• Protective system
• Hazard identification methods

• What if
•  Checklist
•  Failure mode and effect analysis

• Hazard and operability studies (HAZOP)

• What is a HAZOP?
• Who carries out a HAZOP?

• When a HAZOP is carried out and how long does it takes?
• Some points to watch during HAZOP
• An example of a HAZOP
• Could a computer carry out a HAZOP?
• The limitations of HAZOP
• Some accidents that could have been prevented by hazard and operability studies
• Reverse flow
• Bhopal
• A fire in a water sump

• A protective devices that did not work