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HAZ-ard ID-entification (HAZID) is a well-known risk assessment & management tool used to identify inherent hazards / risks in a process or system. A HAZID is an assessment to identify hazards and problem areas associated with plant, system, operation, design and maintenance. HAZID is used as part of a Quantitative Risk Assessment (QRA) and as a standalone analysis for i.e. installation, modification, replacement, upgrading, reduction, isolation, lifting.

Technical Challenge:

By identifying this hazards / risks early, guided actions can be taken to eliminate the hazard (or) control the effect of exposure.

It is a means of identifying and describing hazards and threats at the earliest practicable stage of any development intended to take of.

What are the benefits of conducting HAZID Study?

The benefits of the HAZID study include, but not limited to:

  • Reveal hazards at an early stage, before they happen.
  • Guide in the elimination or control of the hazard/risk.
  • Any special preparations required to be taken to handle these can be pre – planned.
  • Avoid budget overruns since the hazard/risks are controlled early.
  • Provide essential input to project development decisions.
  • Any specific process modifications if required can be established at an early stage.
  • Establish safeguards to manage hazards; identify areas where further understanding of safeguard effectiveness is needed.

When HAZID should be done?

Generally speaking, Hazard identification can be done at any time, what will be different is the depth of the study at the different time.

For example, Hazard identification carried out during job design will be different from what is done for an ongoing process.

Be it as it may, here are some point where hazard identification can be done:

  • During design and implementation
  • Before tasks are done
  • While tasks are being done
  • During inspections
  • After incidents

Approach / Methodology

The HAZID method, accepted as one of the best techniques for identifying potential hazards and operability problems, involves the following:

  • Assembly of a team of experienced project personnel
  • Presentations detailing the scope of the HAZID
  • Identify hazards, causes, consequences and safeguards
Overview of HAZID Procedure
Overview of HAZID Procedure

This study is not done by one person, but a team. Assembling a competent team is one of the hallmark for a successful study.

This team will include:

  • Design consultant / Project Manager
  • Production Manager
  • Chemical engineer / Chemist
  • Maintenance Manager
  • Electrical Engineer
  • Instrument Engineer
  • Quality Control Engineer
  • HSE Representative, etc.

Within the team, a lead facilitator should be nominated to lead the study. The lead facilitator should be a competent and experienced person in the conduct of the HAZID study.

Other information needed when identifying hazards are:

  1. Information about the hazards present or likely to be present in the workplace.
  2. Information from conduct of initial and periodic workplace inspections of the workplace to identify new or recurring hazards.
  3. Information from incident investigation.
  4. Information from trend analysis
  5. Information from the severity and likelihood analysis of incidents that could result for each hazard identified, and use this information to prioritize corrective actions.

iFluids Engineering helps to provide the right solution and necessary recommendation with results for the precise decision for your HAZID studies…

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