What is Job Safety Analysis (JSA)? 6 Steps to Completing an Effective JSA

What is Job Safety Analysis (JSA)? 6 Steps to Completing an Effective JSA

An essential part of occupational safety programs is Job Safety Analysis (JSA), a methodical process for identifying and reducing potential risks related to particular tasks or jobs. JSA makes it easier to examine potential risks thoroughly by breaking down complicated processes into manageable steps. This helps organizations put effective preventive measures in place. Here is a thorough explanation of each of the six steps needed to finish a successful JSA:

6 steps to complete an effective Job Safety Analysis

  • Choose the Task or Job

Choose the Task or Job

It’s important to pick the appropriate task for analysis. Take into account the task’s importance and frequency in the workplace. JSA is best suited for jobs involving new processes or those with a higher risk factor. Furthermore, selecting employees based on their performance guarantees a more accurate analysis.

Think of a manufacturing environment where one job is using large machinery. Given the high level of risk involved in operating the machinery, selecting this job for analysis is essential. Incorporating machine operators into the selection process guarantees firsthand knowledge and more precise comprehension of the possible risks related to the work.

  • Break the Task into Steps

Breaking the chosen task down into discrete steps offers a detailed overview of the entire procedure. This methodical dissection facilitates a thorough examination and helps to pinpoint possible risks that are particular to every stage of the work. It makes sure that no detail is missed when doing the assessment.

When operating heavy machinery, for instance, the task may need to be broken down into steps like material loading, machine startup, and monitoring. Every step offers a narrowed-down perspective that makes a thorough analysis possible. For example, risks like electrical failures or unanticipated movements can be identified during machine startup.

  • Determine Potential Risks

The foundation of Job Safety Analysis is the identification of possible risks related to every stage of the work. Physical risks, exposure to dangerous substances, ergonomic difficulties, and even psychosocial factors can all be considered hazards. Improving the accuracy of hazard identification requires utilizing past incident data, near misses, and worker input from seasoned professionals.

Keeping with the heavy machinery example, risks related to handling raw materials, exposure to high noise levels, and crush injuries during material loading are examples of potential hazards. A JSA team can identify these risks by using historical incident data, guaranteeing a thorough examination of the machinery operation.

  • Identify Preventative Measures

The next stage after identifying hazards is to put in place efficient controls or preventive measures. This calls for the careful application of various tactics, including the provision of personal protective equipment (PPE), administrative controls, and engineering controls. Building a multi-layered defense against potential threats is the goal.

Preventive steps might include installing emergency stop mechanisms, offering noise-canceling headphones, and putting in place stringent material handling procedures to lessen the risks associated with operating heavy machinery. This multifaceted strategy fosters a safer working environment by strengthening defenses against possible threats.

  • Record the JSA

Record the JSA

 An effective JSA program depends on thorough documentation. A thorough explanation of every work step, any hazards found, and the appropriate preventative measures should all be included in the documented analysis. This document is an invaluable tool for initiatives related to continuous improvement, audits, and training. All personnel who require access should be able to get to it with ease.

The JSA for heavy machinery operation would include thorough insights into each step during the documentation phase, highlighting hazards and corresponding control measures. This document becomes an invaluable tool in machine operator training sessions and acts as a guide for recurring safety audits.

  • Examine and Update

Because workplaces are dynamic, modifications to duties, tools, or rules may affect how effective currently implemented JSAs are. Periodic evaluations, preferably involving feedback from the employees doing the work, guarantee that the analysis stays current. To take into account lessons learned from incidents or near misses, updates should be made as soon as possible.

Imagine a situation in which the manufacturing facility introduces a new, more sophisticated model of machinery. It becomes imperative to regularly review the JSA to account for changes in the workplace. The JSA should be promptly revised in response to worker feedback regarding the updated machinery and any safety concerns that are noticed.


Including these comprehensive procedures in a JSA program helps companies develop a proactive safety culture. JSA becomes a living process that changes with the workplace and eventually improves general safety and well-being by giving employees and management the freedom to work together on hazard identification and mitigation.


  1. Job safety analysis and hazard identification for work accidents prevention in para rubber wood sawmills in southern Thailand: https://pubmed.ncbi.nlm.nih.gov/28993571/
  2. Application, shortcoming and new advances of JSA: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10300476/