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Confined Space

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Confined space is very important topic to talk about and to be aware of all hazards related to it. First of all confined space is defined as any place that human can fully enter and perform work in and it has limited entry also it is not designed for continuous work. Most of the people think that confined space is only a small and narrow place, where it can be partly large. Confined space can be tank, manholes, ship, reaction vessels...etc.
Confined space is a matter of life and death. People entering confined space may facing lack of oxygen, toxic gases, high temperature, electrical shock and fire hazard. So it is employer responsibility to evaluate the dangers of the work inside such spaces before issuing permit-required confined space. Also …show more content…

Methane will displace oxygen. It is an explosive gas and is lighter than air. Carbon monoxide has about the same weight as air so it can evenly distributed throughout the space. It prevents your body from absorbing oxygen causing you to suffocate.
Moreover, employer needs to ensure that the tests are taken by a trained worker and the result is recoded on the entry permit. So, if the gas levels are unsafe, ventilation must be applied and then retest before entering. Even the gas levels are within limit you must still ventilate the space before entering. Some people think using the ventilator as a vacuum to draw air out of the confined space. This way may draw a toxic gases from other parts of the space. Keeping fan blows fresh air into the space will provide a continuous supply of fresh air and prevent contaminants buildup.
While the employee is inside the confined space, an attendant outside the confined space must be kept standby to communicate with hem and he must be equipped with rescue equipment. The employee entering confined space may carry a communication means with hem, lightning source, oxygen analyzer so if the level of oxygen drops, the analyzer sounds alarm and the space should be evacuated quickly. After finishing the work, the checklist has to be

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