Safety Guide For Work In Manholes

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Usually dispatched in 2 to 3 days
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Working near or in a manhole inherits potential dangers which may result in serious accidents. The common ones include falls/slips, fire or explosion, oxygen depletion, gas poisoning, heat stress, drowning, asphyxiation arising from gas, fume, vapor, and entrapment by free-flowing solid. Amongst these, dangers involving gases are easily overlooked or neglected, leading to serious casualties. This guide aims to remind persons entering or working in a manhole to take appropriate measures, including measures for the prevention of oxygen depletion and gas poisoning. ‘‘Certified workers’’ (Note 1) must be familiar with the ‘Code of Practice – Safety and Health at Work in Confined Spaces, and before entering a manhole, they must take all the necessary safety precautions to ensure safety at work


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