Hazard and Operability Study (HAZOP)

Most industrial licensing authorities and insurance companies require operating companies to carry out hazard studies and risk assessments during a facility design, as well as prior to construction and during operation.

The authorities require that the hazard studies be recorded and acted-upon, and that they be subject to management audit and approval.

 

What is HAZOP?

HAZOP study is well-proven structured team-based method for hazard identification at process design completion or for planned modifications. The technique makes detailed examination of the process and engineering intention of new or existing facilities to assess the hazard potential of operation outside the design intention, or malfunction of individual items of equipment and their consequential effects on the facility as a whole.

 

Comprehensive hazard identification is the cornerstone of effective risk management since, if a hazard has not been identified, measures cannot be put in place to mitigate the risk

 

A successful HAZOP is dependent on the competence of the people in the room to ensure all causes of undesirable plant conditions can be identified. For an oil and gas project, a core team would typically include personnel from Process, Instruments, Machines, Project Engineering, and Operations, and it might require the involvement of process technologists, environmental specialists and corporate Health & Safety and Environment (HSE) staff for some parts of the work.

 

HAZOP is a team activity, for identifying possible process hazard and operation problems.

 

 

 

 

 

Our approach for HAZOP

Bureau Veritas believes that hazard study is an integral part of the design of oil & gas facilities. Bureau Veritas offers hazard study leadership services across all phases of plant design, from feasibility and FEED, to detailed design, and to construction and commissioning. Bureau Veritas often takes full responsibility for HAZOP study recording and reporting, so that administrative burdens on designer and client personnel are minimised.

 

Bureau Veritas also offers attendance at designer/ client project meetings, so that an overview of all HSE issues is available at the meetings, and so that timely advice can be sourced when specialist hazard information may be needed.

 

An example of the parameter guideword combinations used for identification of possible process problems.

 

Why choose Bureau Veritas for HAZOP?

Bureau Veritas has planned, managed, delivered, and reported hundreds of HAZOP studies throughout the world. In many cases these have then been followed by response tracking and response validation, to help ensure that the project is sufficiently acceptable for design completion, procurement, and construction.

 

Our clients continue to use our engineers due to their pragmatic approach to workshop facilitation, which ensures group participation and a comprehensive asset lifecycle. We provide transparent, clear and auditable reports to demonstrate compliance to Health & Safety Regulations that site risk is being managed to levels as low as reasonably practicable. This means supporting our clients in the management of hazards and implementation of any necessary safeguards identified during the workshop.

 

HAZOP - FAQ

How long does a HAZOP study take?
For the installation of an oil & gas unit on an existing site, each P&ID (piping & instrumentation diagram) might take 5 or 6 hours to study. For the installation of a major new unit on an existing refinery or of the topsides on an offshore platform, 6 to 8 weeks may be required.


Can you advise us what types of hazard study and risk assessment are required for our project and our location?

Yes, we can advise on legislative requirements, legislative changes, and good practice compliance in most parts of the world.

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