What are the most important steps for conducting a confined space hazard analysis?

1 Define the scope

The first step in conducting a confined space hazard analysis is to define its scope. This involves determining the purpose, objectives, and boundaries of the analysis. To do this, ask yourself questions such as what types and locations of confined spaces are in your workplace, who is involved in the work activities, and what are the legal and regulatory requirements for entry and work? Additionally, consider existing policies and procedures for confined space management, as well as how often and how long the analysis will be conducted and updated. Defining the scope of the analysis will provide a clear direction for the rest of the process.

3 Assess the risks

The third step is to assess the risks that result from the hazards in the confined spaces. Risks are the likelihood and severity of harm or damage that may occur to the workers, the environment, or the property due to the hazards. You should use a risk matrix or a similar tool to evaluate and rank the risks based on their probability and impact. Additionally, you should take into account factors such as the frequency and duration of entry and work, the number and qualification of workers and supervisors involved, the availability and adequacy of equipment, tools, and materials used, as well as an emergency response and rescue plan. By assessing the risks, you can create a prioritized list of the most significant and urgent risks that need to be addressed in confined spaces.

4 Control the risks

The fourth step is to control the risks that are identified and assessed in the confined spaces. Risk control involves implementing measures to eliminate or reduce the risks to an acceptable level. It's important to follow the hierarchy of controls, a widely accepted principle that ranks risk control measures from the most effective to the least effective. This includes elimination, substitution, engineering, administrative, and personal protective equipment (PPE). By using these strategies, you can create a set of actions and strategies to help prevent or mitigate harm or damage that may occur in confined spaces.

5 Monitor and review

The final step is to monitor and review the effectiveness and adequacy of the confined space hazard analysis and the risk control measures. This involves collecting and analyzing data and feedback to measure the performance and outcomes of the analysis and control measures. To do this, you should use various methods such as conducting regular inspections and audits of confined spaces, measuring and recording atmospheric and physical conditions, tracking and reporting incidents or near misses, evaluating and updating policies for confined space management, and soliciting input from workers involved in confined space work. Through monitoring and reviewing, you can ensure the validity and reliability of the hazard analysis and risk control measures for continuous improvement.