Confined Space Flashcards
(48 cards)
Confined Space has 3 characteristics
1) limited means of access/egress.
2) designed to allow humans to enter and
perform work.
3) not designed for continuous human
occupancy.
29 CFR 1910.146, _____ code of federal
regulations on permit-required CS requires
_____ levels of protection. They are _____.
3
1) permitting procedure that IDs hazards and
lists protective/precautionary measures.
2) retrieval equipment necessary to perform
non-entry rescue.
3) rescue services required to be available
to perform rescue inside the CS.
permit-required CS have 1 or more of the
following 5 characteristics
1) contains or has the known potential to
contain a hazardous atmosphere.
2) contains a material that could cause
engulfment.
3) has limited access/egress and internal
configuration such that ready removal or
rescue is difficult
4) has a configuration that has the potential to trap or asphyxiate due to
inward converging walls and downward
sloping floors that taper to a smaller
cross section.
5) any other recognized safety or health
hazard.
a CS Incident is one in which a victim is
______.
located within an area of limited access/egress.
13 Examples of CS
aircraft/ships bins boilers hoppers mixers person holes sewers/aqueducts silos/grain elevators tanks (septic/water) tunnels underground vaults/pits water towers wells
6 groups of CS Hazards
atmospheric biological corrosive engulfment physical psychological
8 types of Hazardous Atmospheres
O2 deficient O2 enriched flammable vapors/extreme Temp toxic vapors products of combustion substance within10% of it's LEL airborne combustible dust at it's LEL concentration of substances that exceed PELs
H2S is known as ______. It is _____ and
has an odor that smells like _____. It is
_____ and has an explosive range of _____.
It has a vapor density of _____ and is
formed by the _____.
hydrogen sulfide colorless rotten eggs toxic 4.5%-45.5% 1.19 decomposition of animal or plant life
6 types of physical hazards you might find
in a CS
electrical/gas utilities fall/trip internal configuration limited access/egress points machinery(hydraulic, mechanical, pneumatic) hazmat or other fluids in space noise that affects communication/hearing
#1 cause of deaths in CS #2 cause of deaths in CS
hazardous atmospheres
engulfment
Engulfment is the _____.
surrounding and effective capturing of a
person by a liquid or finely divided solid
particles that can be aspirated and/or
cause death.
Engulfment can kill by _____ due to _____
or _____. It can also kill by _____, ______,
or _____.
asphyxiation filling the airway blocking the airway constriction strangulation crushing
Corrosive Hazards include these 3
acids
alkalis
cleaning materials
Biological Hazards include these 5
bacteria mildew mold spores viruses
Psychological Hazards include these 3
anxiety
claustrophobia
any other fears
8 tasks for 1st-in Company at an CS Incident
1)initiate the ICS
2)ensure that hazmat/rescue/respective BC
have all been dispatched
3)conduct a scene size up (CAN)
4)establish a 300’ safe zone
5)ensure the scene is safe
6)perform a risk assessment/risk-benefit
analysis
7)perform lockout/tagout procedures if
possible
8)perform non-entry rescue if possible
9 parts of CS scene size
1)nature, scope, and magnitude of incident
2)location and # of victims
3)ID hazards
4)risk assessment/risk-benefit analysis
5)determine access/egress points
6)evaluate environmental conditions
7)evaluate need for additional resources
8)determine when patients can be
contacted without endangering personnel
9)continuous monitoring and evaluation
10 pieces of information that should be
gathered for CS Incidents
1)the entry permit
2)ID the hazards
3)precautions for those hazards
4)what work was being done in the CS
5)who was doing the work and what were
the personnel assignments
6)point of entry
7)PLS or point of last communication
8)alternate acess/egress points
9)internal configuration of the space
10)time in
5 CS Checklists/Worksheets that HFD has
include the following _____.
HFD also has a CS _____ and an example of a CS entry _____.
incident checklist operations checklist attendant worksheet CSR tactical worksheet monitoring worksheet flowchart permit
O
A
T
H
1-pull OK
2-pull Advance
3-pull Take-Up
4-pull Help
OATH is a
communication acronym for rope signals
A SAR hose line can be up to _____ long.
300’
4 duties of the CSR attendant include
1)communicating evacuation alerts
2)monitoring entrant status and behavior
changes
3)monitoring activities both inside and
outside of the space
4)ensuring that situations outside the
space will not endanger the entrant
when monitoring a CSREs behavior, the
attendant is listening for 3 things
slurred speech
out of character responses
irregular breathing patterns
