Confined Space Flashcards

(48 cards)

1
Q

Confined Space has 3 characteristics

A

1) limited means of access/egress.
2) designed to allow humans to enter and
perform work.
3) not designed for continuous human
occupancy.

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2
Q

29 CFR 1910.146, _____ code of federal
regulations on permit-required CS requires
_____ levels of protection. They are _____.

A

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.

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3
Q

permit-required CS have 1 or more of the

following 5 characteristics

A

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.

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4
Q

a CS Incident is one in which a victim is

______.

A

located within an area of limited access/egress.

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5
Q

13 Examples of CS

A
aircraft/ships
bins
boilers
hoppers
mixers
person holes
sewers/aqueducts
silos/grain elevators
tanks (septic/water)
tunnels
underground vaults/pits
water towers
wells
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6
Q

6 groups of CS Hazards

A
atmospheric
biological
corrosive
engulfment
physical 
psychological
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7
Q

8 types of Hazardous Atmospheres

A
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
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8
Q

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 _____.

A
hydrogen sulfide
colorless
rotten eggs
toxic
4.5%-45.5%
1.19
decomposition of animal or plant life
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9
Q

6 types of physical hazards you might find

in a CS

A
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
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10
Q
#1 cause of deaths in CS 
#2 cause of deaths in CS
A

hazardous atmospheres

engulfment

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11
Q

Engulfment is the _____.

A

surrounding and effective capturing of a
person by a liquid or finely divided solid
particles that can be aspirated and/or
cause death.

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12
Q

Engulfment can kill by _____ due to _____
or _____. It can also kill by _____, ______,
or _____.

A
asphyxiation 
filling the airway
blocking the airway
constriction
strangulation
crushing
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13
Q

Corrosive Hazards include these 3

A

acids
alkalis
cleaning materials

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14
Q

Biological Hazards include these 5

A
bacteria
mildew
mold
spores
viruses
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15
Q

Psychological Hazards include these 3

A

anxiety
claustrophobia
any other fears

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16
Q

8 tasks for 1st-in Company at an CS Incident

A

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

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17
Q

9 parts of CS scene size

A

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

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18
Q

10 pieces of information that should be

gathered for CS Incidents

A

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

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19
Q

5 CS Checklists/Worksheets that HFD has
include the following _____.
HFD also has a CS _____ and an example of a CS entry _____.

A
incident checklist
operations checklist
attendant worksheet
CSR tactical worksheet
monitoring worksheet
flowchart
permit
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20
Q

O
A
T
H

A

1-pull OK
2-pull Advance
3-pull Take-Up
4-pull Help

21
Q

OATH is a

A

communication acronym for rope signals

22
Q

A SAR hose line can be up to _____ long.

23
Q

4 duties of the CSR attendant include

A

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

24
Q

when monitoring a CSREs behavior, the

attendant is listening for 3 things

A

slurred speech
out of character responses
irregular breathing patterns

25
4 behavior changes within a CS could be | caused by _____.
hazardous atmospheres fatigue anxiety oxygen deficiency
26
CS comm. equip highest level of | intrinsically approval is _____.
Class 1,2,3 Division 1,2 Groups A-G
27
CSREs will do the ____ inside the CS if it | is not possible to do it _____.
air monitoring | from outside the space
28
HFD uses _____ equipment for CS rescue
Con-Space Hardline Communication
29
``` the Con-Space talk box can be lowered into _____ to communicate or listen for trapped victims due to _____ . It can be lowered to _____ victims or victims in _____ or _____. ```
``` voids structural collapse high angle incident mines elevator shafts pits ```
30
2 other possible personnel roles at a CS | incident
equipment and line tending/hauling | air supply management
31
13 HFD Con-Space CS Rescue | Communication Kit # 1 pieces of equipment.
1)command module 2)talk box 3)double splitter 4)behind the head headset(attendant) 5) 4 face mask rescue communication sets 6)operator extension cable with a microphone mute(attendant) 7)a 1' microphone mute cable(entrant) 8) 4 100' sections of orange comms cables 9) a 50' section of comms cable(talk box) 10) 4 speaker harnesses for entrants 11) 4 clothing clips 12) 4 snap hooks for cable strain relief 13) carrying case
32
``` command module allows a maximum of _____ entrants to maintain 100% comms or it could allow up to 8 entrants if used with a _____ and has an _____. 2 command modules can be joined together through the _____. ```
4 splitter internal SP modification rescue/expansion port
33
microphone mutes allows for you to _____ where you can only listen. your sounds will be _____.
create 1-way communication | completely muted
34
the speaker harness allows you to _____
use the face mask speaker when user is | not required to wear a face mask
35
the double splitter allows the attendant to control communication with the _____ or _____.
primary entrant or team | secondary entrant or team
36
7 critical functions for CS
``` mitigate/control hazards control atmosphere continuous air supply continuous communications equipment/line handling locate victims rescue victims ```
37
HFD ties both the _____ line and the _____ | together. The _____ is separate.
communications SAR hoseline safety line
38
the "SP Mod" allows a ______ to be used on Ports _____ and the _____ Port. Port _____ is for the _____ and/or an _____.
``` splitter box 1 and 2 operator 3 talk box additional rescuer ```
39
the _____ should normally be kept within | a _____ radius of entrant.
talk box | 2 meter
40
the throat mic should be just ____.
to the left or right of the adam's apple
41
"noise reduction" button will help with high | noise levels but users may have _____.
to talk louder
42
keep unused connectors _____
covered/capped
43
battery LED on the command module indicates low batteries by flashing _____ before complete battery failure
12hr
44
only 1 talk box per system can be used | on entrant ports due to _____.
feedback
45
if using an expanded system, use a _____ | to connect the 2 command modules
expansion cable
46
connectors for comms cables are _____.
twist locking
47
appendix _____ of the ConSpace Comms | manual lists the _____ and classifications.
B | intrinsic safe approval levels
48
8 step Con-Space Comms Checklist prior to Entry
1)ensure command module is on 2)alarm module cable in place(if equipped) 3)all accessories/cables connected to command module 4)all mics are positioned properly 5)all cables are strain relieved 6)ensure 2-way communication 7)check personal alarm button functionality (if equipped) 8)agree on backup comms procedure