Many safety personal get confused between JHA and TRA

 Difference between JHA and TRA:

Many safety personal get confused between JHA and TRA.

Let’s understand both step by step, then see the real difference with a simple example 

🔹 What is JHA (Job Hazard Analysis)?

JHA is a planned safety process done before starting a job.

The job is broken into steps, hazards are identified, and controls are decided in advance.

👉 JHA is documented and prepared early.

🔹 What is TRA (Task Risk Assessment)?

TRA is a quick risk check done at the job site just before or during work.

It focuses on current site conditions and changes.

👉 TRA is dynamic and done on the spot.

Combined Understanding:

🔹 JHA = Planned hazard study before work starts

🔹 TRA = Real-time risk check at work location

Both aim to prevent accidents, but timing and detail are different.

 Example:

A team plans to weld a pipeline at site.

🔸 Before work day:

Safety officer prepares a document:

Hot work hazards

Fire risk

PPE required

👉 This is JHA (planned, written, before job)

 At site, before starting work:

Workers notice:

Wind direction changed

Flammable material nearby

They discuss and control these risks.

👉 This is TRA (on-site, real-time)

Final Clear Answer

✔️ JHA = Job-level hazard planning

✔️ TRA = Task-level risk check

✔️ JHA is prepared earlier

✔️ TRA is done at site

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