Hierarchy of Control

The hierarchy of controls is a systematic approach to managing workplace hazards. It ranks control methods from most to least effective, providing a structured way to minimize or eliminate risks. Here's a breakdown of the hierarchy and how each level can be applied to improve safety at your workplace:

Elimination: Definition: Completely remove the hazard from the workplace. Application: If a particular chemical poses a risk, find a way to eliminate its use altogether. For example, replace a hazardous machine with a safer one or redesign a process to remove the need for a dangerous task.

Substitution: Definition: Replace the hazardous material or process with a less dangerous one. Application: Use a less toxic chemical instead of a highly toxic one. For instance, substitute a solvent-based paint with a water-based alternative.

Engineering Controls: Definition: Isolate people from the hazard using physical means. Application: Install guards on machinery, use ventilation systems to reduce airborne contaminants, or set up barriers to separate workers from hazardous areas.

Administrative Controls: Definition: Change how people work to reduce exposure to hazards. Application: Implement safety protocols, training programs, and shift rotations to limit workers' time in hazardous areas. Establish procedures for safely handling and disposing of dangerous materials.

Personal Protective Equipment (PPE): Definition: Equipment workers use to protect themselves from hazards. This is the last line of defence. Application: Provide gloves, helmets, goggles, respirators, and other protective gear to workers exposed to hazards. Ensure that PPE is properly maintained and workers are trained on its correct use.

How to Implement the Hierarchy of Controls:

Identify Hazards: Conduct a thorough risk assessment to identify potential hazards in the workplace.

Evaluate Current Controls: Assess existing safety measures to determine their effectiveness and identify gaps.

Apply the Hierarchy: Start by considering if the hazard can be eliminated. If elimination is not feasible, explore substitution options. Implement engineering controls to physically separate people from hazards. Enhance safety through administrative controls and training. Use PPE as a last line of defence and ensure it is used correctly.

Monitor and Review: Regularly review and update safety measures to ensure their continued effectiveness. Conduct periodic training and safety drills to keep everyone informed and prepared.

Engage Employees: Involve workers in the safety process. Their firsthand experience can provide valuable insights into potential hazards and the practicality of control measures.

By systematically applying the hierarchy of controls, you can create a safer workplace and reduce the risk of accidents and injuries.

Reference:

National Institute for Occupational Safety and Health (NIOSH) - The NIOSH website provides a comprehensive overview of the Hierarchy of Controls, including detailed explanations of each control level and their effectiveness in reducing workplace hazards.

SafetyCulture - This resource outlines the history of the Hierarchy of Controls, its importance in workplace safety, and practical examples of how each level can be applied.

Wikipedia - The Wikipedia page on the Hierarchy of Hazard Controls provides a detailed breakdown of the hierarchy, including variations and applications in different industries.

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