πŸ“ How to Write an Job Hazard Analysis (JHA): Step-by-Step Guide + Example

Posted on: February 2026

An Job Hazard Analysis (JHA) is one of the most important safety documents used on U.S. construction sites β€” particularly for USACE, federal, and principal contractor–managed projects.

If you’ve ever wondered how to write an Job Hazard Analysis correctly, this guide walks you through the process step by step, using clear language and a real-world example.

πŸ—οΈ What is an Job Hazard Analysis?

An Job Hazard Analysis is a structured safety planning document used to identify hazards associated with a specific work Job and define control measures before work begins.

Each JHA focuses on a single Job β€” such as excavation, concrete placement, or equipment operation β€” and helps supervisors and workers understand the risks involved and how they will be controlled.

πŸ“‹ When is an JHA required?

In many cases, work cannot commence until the JHA has been reviewed, approved, and communicated to the workforce.

✍️ How to write an Job Hazard Analysis (step by step)

1. Break the job into activities

Start by clearly defining the Job being assessed. Avoid broad descriptions β€” the more specific the Job, the more effective the JHA.

2. Identify hazards for each Job

Consider all potential hazards, including:

3. Assess the risks

Determine what could happen if the hazard is not controlled, including the likelihood of injury and potential severity.

4. Define control measures

Control measures should follow the hierarchy of controls, prioritising engineering and administrative controls before PPE.

5. Communicate and implement

An JHA must be reviewed with workers before the task starts and updated if site conditions, equipment, or personnel change.

πŸ“ Example: Job Hazard Analysis entry

🚫 Common JHA mistakes to avoid

πŸ’‘ How JHA Generator can help

JHA Generator helps contractors create professional, compliant Job Hazard Analyses in minutes β€” without spreadsheets, paperwork, or guesswork.

Whether you’re managing a USACE project or everyday construction activities, JHA Generator helps you plan work safely β€” before the job begins.