2-5-14 Flashcards
Historically, __?__ of the fatalities that occur during a confined space rescue are the attendants who enter the confined space to perform the rescue.
60%
A space that is designed for periodic entry by employees under normal operating conditions is a(n) __?__ space.
enclosed
A manhole is an example of a __?__.
confined space
All permit required confined spaces have converging walls.
false
Enclosed entry procedures and rescue must be practiced at least every __?__.
12 months
Training in enclosed spaces is restricted to work crews only.
false
The number of people required to be trained in first-aid and CPR per entrant team is __?__.
1
The rope used to extract a victim during a confined space rescue must be __?__.
flame retardant
All rescue equipment used in confined spaces must meet the same standard, ANSI 136.5.
false
Hazards in a manhole must be eliminated prior to __?__.
removing the cover on a man hole
A monitor used to check a manhole should be able to check for the percentage of __?__ in a manhole.
oxygen content
When checking a manhole with a monitor, checks should be made at a minimum of __?__ levels.
3
When a monitoring meter takes a reading from a manhole, the reading must be sent off to ascertain the true value recorded.
false
An instrument used to check the atmosphere in an enclosed space must be calibrated to within plus or minus __?__.
10%
OSHA specifies 12 air changes must take place in an enclosed space prior to allowing employees to enter.
false
The attendant is allowed to enter a confined space to help with the work under certain circumstances.
true
Ideally, all entrants should wear a(n) __?__.
full body harness
Oxygen content in a space must be between __?__ and __?__.
19.5 to 23.5%
In order to operate the gas monitor that is to be used in permit-required confined spaces, you must be __?__.
certified
In a facility such as a power plant, the __?__ must be notified prior to making a confined space entry.
emergency and rescue services
The key phrase that differentiates an enclosed space from a confined space is “entry under __?__ conditions”.
normal operating
Cables and hangers in a vault make convenient steps when climbing into or out of a vault.
false
Two existing conditions under which an attendant would not be allowed to enter a confined space to help with work are if the confined space is in an area where there are hazards such as traffic, and if concentrations of flammable vapors are present.
true
