Thursday, 21 April 2016

Confined space hazards

What are the precautions in entering a confined space? What causes fear of confined spaces? What does OSHA consider a confined space? What is safe range of oxygen level in confined space?


Lack of oxygen: lack of oxygen can happen when air feed is not enough.

Feed more air and exhaust more to avoid this hazard in the confined space. Too much oxygen: this hazard is rare. But, once it appears, fire or explosion will be much easier to happen. A confined space also has limited or restricted means for entry or exit and is not designed for continuous occupancy.


Hazards when working in confined spaces include. There is a risk with gas, fumes or vapours filling the space as these can be flammable or poisonous. All hazards found in a regular workspace can also be found in a confined space.

However, they can be even more hazardous in a confined space than in a regular worksite. A confined space is an enclosed area where there is a risk of death or dangerous injury from hazardous substances or dangerous conditions. The top hazards in confined spaces. There are a number of situations in which the amount of oxygen in a confined space might fall below safe levels. Yet, tragedies have taken place when individuals disregarded these steps and failed to identify all possible hazards.


In many cases, it’s the invisible hazards in confined spaces that have proven to be most deadly. A confined space is define in what concerns labor and safety regulations, as an area which is enclosed with limited openings for entry or exit but it’s large enough for entering and working and is not designed for continuous worker occupancy. The definition of this type of spaces varies from country to country,. You have non-permit confined spaces and permit required confined spaces.


Non-permit confined spaces do not hold or possess the potential to hold any hazards that might cause death or serious physical harm to workers. Permit required confined spaces will be discussed below. Keep reading to discover more. Working in confined spaces.


A confined space is one which is both enclose or largely enclose and which also has a reasonably foreseeable risk to workers of fire, explosion , loss of consciousness, asphyxiation or drowning. Get OSHA Confined Space Entry Training here! Check out Safety in confined space s on Pro.

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Exposure to toxic substances – Most substances, such as liquids, gases, mists, solid materials and dusts, can present a hazard in a confined space. Since there is limited room, limited exits, and the ability to become trappe a silo is definitely a confined space. Storage Bins – Large storage bins are used in many industries.


If someone falls into one or goes in to get something, they could become stuck. The main point for people in our trade is to control or eliminate all potential hazards in the space , thus removing the need for a Confined Space Permit. In order to determine if there are atmospheric hazards , employers should ensure the air in confined space is tested for oxygen levels, flammable gas concentrations and concentrations of toxic substances in the air. The main hazard when working in a confined space is the deadly atmosphere due to presence of carbon monoxide,hydrogen sulfide and methane gas that may result to oxygen deficiency or asphyxiation. Outside the confined space , percent oxygen necessary to sustain life.


Nothing can replace proper training before going into these confined spaces and the benefit of previous experience in working in these types of spaces. Oxygen in confined spaces tends to go low.

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