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Safeti School hse hierarchy of controls

HSE Hierarchy of Control – 5 Key Pillars to Manage Risk

HSE Hierarchy of Control – 5 Key Pillars to Manage Risk
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The Hierarchy of Controls or risk hierarchy is a system used in industry to minimize or eliminate exposure to hazards. It is a widely accepted system promoted by safety organizations.

As discussed in the podcast, we recommend you check our Health and Safety Risk Assessment – Complete Beginner’s Guide resource.

Hierarchy of Control: The Triangle

The risk control concept is taught to managers in industry, to be promoted as standard practice in the workplace. Various illustrations are used to depict this system, most commonly a triangle. Here’s an example of the Hierarchy of Controls:

hierarchy of control

The levels in the risk hierarchy of control measures are, in order of decreasing effectiveness:

  • Elimination
  • Substitution
  • Engineering controls
  • Administrative controls
  • Personal protective equipment

Hierarchy of Controls: Explained

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HSE Hierarchy of Controls 5 Steps: Recap

1. Elimination:

Physical removal of the hazard — this is the most effective hazard control.

For example, if employees must work high above the ground, the hazard can be eliminated by moving the piece they are working on to ground level to eliminate the need to work at heights.

2. Substitution:

Substitution, the second most effective hazard control, involves replacing something that produces a hazard (similar to elimination) with something that does not produce a hazard—for example, replacing lead-based paint with titanium white.

To be an effective control, the new product must not produce another hazard. As airborne dust can be hazardous, if a product can be purchased with a larger particle size, the smaller product may effectively be substituted with the larger product.

3. Engineering Controls:

The third most effective means of risk control is engineered controls. These do not eliminate hazards, but rather isolate people from hazards.

Capital costs of engineered controls tend to be higher than less effective controls in the hierarchy, however they may reduce future costs.

For example, a crew might build a work platform rather than purchase, replace, and maintain fall arrest equipment.

“Enclosure and isolation” creates a physical barrier between personnel and hazards, such as using remotely controlled equipment. Fume hoods can remove airborne contaminants as a means of engineered control.

4. Administrative controls: Administrative controls are changes to the way people work. Examples of administrative controls include procedure changes, employee training, and installation of signs and warning labels (such as those in the Workplace Hazardous Materials Information System).

Administrative controls do not remove hazards, but limit or prevent people’s exposure to the hazards, such as completing road construction at night when fewer people are driving.

5. Personal Protective Equipment: Personal protective equipment (PPE) includes gloves, Nomex/Uniform, respiratorshard hatssafety glasseshigh-visibility clothing, and safety footwear.

PPE is the least effective means of controlling hazards because of the high potential for damage to render PPE ineffective. Additionally, some PPE, such as respirators, increase physiological effort to complete a task and, therefore, may require medical examinations to ensure workers can use the PPE without risking their health.

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  • Accreditations – assisting clients with Safe-T Cert / CHAS / Safe Contractor / ConstructionLine / ISO 14001 & 45001.
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Find out more about Safeti’s HSE support services.

Thanks for visiting us, we hope this resource on the HSE Hierarchy of Control was helpful. If you would like to learn how this fits into the bigger picture of assessing risk, we recommend you check our Health and Safety Risk Assessment – Complete Beginner’s Guide resource.

For more free learning for your business, make sure to join us for Safeti School!

Richard Collins

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