HAZARD CONTROL HIERARCHY FOR THE WORKPLACE HAZARDS - Part 1

 


HAZARD CONTROL HIERARCHY FOR THE

 WORKPLACE HAZARDS - Part 1








There are many hazards exposed by the employees in the industrial workplace and in other areas, controlling/mitigating these hazards is very important to safe guard the employees.

The hazard control hierarchy generally have six major steps to handling all type of hazards.

 

• Elimination

• Substitution

• Isolation

• Engineering controls

• Administrative controls

• Personal protective equipment


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This approach should be applied from the top down for the effective control on the hazards. Ideally, all hazards should be completely eliminated but its practically not possible in all time. If elimination is not possible or practical, and frequently it will not be, then substitution should be considered, and so forth proceeding down the list.

 

Elimination is the complete removal of the hazard. The complete elimination of

a hazard is often not possible, but when it can be accomplished it has a major impact

on the safety of the operation. For example - If a process normally requires a flammable solvent and a way to perform the same work with any solvent is developed, the inherent hazards of the process are greatly reduced.



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Substitution is when a more hazardous component of a system is traded for a less

hazardous one. Years ago in the printing industry, the solvents including toluene, xylene, and methyl ethyl ketone were commonly used throughout the industry. These solvents pose serious fire risks and also personnel exposure issues. Now a days it has substituted with less hazardous solvents such as isopropyl alcohol in many operations. Alcohol is also flammable but is not as high a risk as the previously used solvents.


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Isolation involves placing the hazard in a remote or contained area away from other

portions of the operation. The explosives manufacturing industry, the production areas are separated by distance and/or blast walls so that an explosion in one area is unlikely to affect the entire facility.


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