What are 5 examples of confined spaces?

Confined spaces include, but are not limited to, tanks, vessels, silos, storage bins, hoppers, vaults, pits, manholes, tunnels, equipment housings, ductwork, pipelines, etc.

What are the two types of confined spaces?

Confined spaces are usually broken down into two groups: Non-Permit and Permit. Permit confined spaces are the most hazardous and require you or some qualified person to completed a safety checklist, simply called a permit, before you enter in to the space.

What are the four main dangers of a confined space?

A recent study identified four main causes of confined space accidents that lead to injuries, namely:

• Toxic atmospheric hazards.
• Flammable atmospheric hazards.
• Engulfment.
• Physical hazards.

What is the difference between a confined space and a permit required confined space?

Permit-Required Confined Space: This is a space where the hazards to employees are controlled but still present. These spaces are usually IDLH immediately dangerous to life and health. Non-Permit Required Confined Space: This is a space where the hazards are “eliminated.”

How many attendants are required while entering a confined space?

Responsibilities of Confined Space Attendants There must be at least one attendant on each PRCS team. The attendant, arguably has the most amount of responsibility on the confined space team, as they have the highest number of duties required by OSHA. These duties are to: Know the hazards.

What is the level of CO in confined space?

Carbon monoxide has a PEL of 50 PPM and an LEL of 12.5%. Keep in mind that permissible exposure limits can vary by jurisdiction, so the PELs OSHA lists for hydrogen sulfide and carbon monoxide are not universal.

What are four hazards of confined spaces?

Poor air quality: There may be an insufficient amount of oxygen for the worker to breathe.

Hazards from asphyxiants – Simple asphyxiants are gases which can become so concentrated that they displace oxygen in the air (normally about 21 percent).

Chemical exposures due to skin contact or ingestion as well as inhalation of ‘bad’ air.

What counts as a confined space?

Confined spaces include, but are not limited to, tanks, vessels, silos, storage bins, hoppers, vaults, pits, manholes, tunnels, equipment housings, ductwork, pipelines, etc.

What is the meaning of confined space?

Confined space. A confined space is a space with limited entry and egress and not suitable for human inhabitants.

How big is a confined space?

In the United States, any pit or trench with a depth equal to or greater than 4 feet is classified as a permit-required confined space. A permit-required confined space has to have one or more specific characteristics, the first being that it contains hazardous gases or has the potential to be a hazardous space.