Term
Large enough and so configured that an employee can bodily enter and perform assigned work;
Has limited or restricted means for entry or exit;
Is not designed for continuous employee occupancy |
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Definition
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Term
| What are some examples of confined spaces? |
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Definition
| tunnels, sewers, tanks, tank cars and trailers, ship holds and accesses, cofferdams, process vessels, reaction vessels, manholes, industrial spaces, storm drains, ovens and furnaces (pg. 1-10) |
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Term
| What are the phases of confined space rescue? |
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Definition
| preparation, assessment, pre-entry operations, entry and rescue operations, and termination (pg 1-11) |
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Term
| What are the four classes of hazards in confined space? |
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Definition
| atmospheric, physical/mechanical, environmental, and psychological (pg 4-2) |
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Term
| Regulations define a permit-required confined space as a confined space with what characteristics? |
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Definition
| 1. contains, or has potential to contain, a hazardous atmosphere; 2. contains a material that has the potential for engulfing an entrant; 3. has an internal configuration such that an entrant could be trapped or ashyxiated by inwardly converging walls or a floor which slopes downward and tapers to a smaller corss setion; or 4. contains any other recognized serious safety or health hazard (pg. 1-10) |
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Term
| Before anyone enters a confined space what atmospheric conditions do you test for? |
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Definition
| oxygen content, combustible gases or vapors, and toxic gases or vapors (pg 2-11) |
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Term
| oxygen deficiency is any atmosphere containing oxygen concentration less than ________% by volume (pg 2-21) |
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Definition
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Term
| Entry includes ensuing work activities in that space and is considered to have occurred as soon as: |
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Definition
| any part of the entrant's body breaks the plane of an opening into the space (pg 3-3) |
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Term
| anyone empowered by the employer to authorize or directly supervise entry operations in a permit space. |
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Definition
| entry supervisor (pg 3-15) |
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Term
| What is the leading cause of worker deaths in confined spaces? |
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Definition
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Term
| an atmosphere that may expose employees to the risk of death, incapacitation, impairment of ability to self-rescue, injury, or acute illness |
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Definition
| hazardous atmosphere (pg 4-2) |
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Term
| any condition that poses an immediate or delayed threat to life or that would cause irreversible adverse health effects or that would interfere with an individual's ability to escape unaided from a permit space |
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Definition
| Immediately Dangerous to Life or Health (IDLH) (pg 4-3) |
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Term
| What are the five most common gases found in confined spaces? (pg 4-7) |
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Definition
| methane, carbon monoxide, carbon dioxide, hydrogen sulfide, and sulfur dioxide |
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Term
| What gas can be detected by a strong "rotten egg" odor and can paralyze the sense of smell? (pg 4-9) |
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Definition
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Term
| the surrounding and capture of a person by a liquid or finely divided (flowable) solid substance (pg 4-13) |
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Definition
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Term
_________________ occurs when grain or other loose material clings to the sides of a container or vessel that is being unloaded from below allowing
a hollow space to be created. Can occur in storage bins, silos, and hoppers (pg 4-13) |
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Definition
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Term
| What are some examples of psychological hazards? (pg 4-15) |
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Definition
| claustrophobia and fatigue |
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Term
| What are the first three things to consider at a confined space incident? |
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Definition
| air monitor, ventilation, and lock out/ tag out |
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Term
| What are the four ways a chemical hazard can enter the human body? (pg 7-5) |
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Definition
| ingestion, injection, inhalation, absorption |
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Term
| Have air supplied from a source located a distance away and connected to the user by an air-line hose. (pg 7-7) |
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Definition
| SAR (supplied air respirators) |
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Term
| NIOSH states that the SARs hose shall be of breathing type quality and no longer than _____ feet in length (pg 7-7) |
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Definition
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Term
| What is the primary litter used in confined space rescue? (pg 9-13) |
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Definition
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Term
| What does OATH stand for? (pg 11-3) |
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Definition
| O = ok : 1 tug; A = advance : 2 tugs; T = take up : 3 tugs; H = help : 4 tugs |
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