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Flashcards in Confined Space Deck (48):
1

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.

2

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.

3

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.

4

a CS Incident is one in which a victim is
______.

located within an area of limited access/egress.

5

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

6 groups of CS Hazards

atmospheric
biological
corrosive
engulfment
physical
psychological

7

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

8

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

9

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

10

#1 cause of deaths in CS
#2 cause of deaths in CS

hazardous atmospheres
engulfment

11

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.

12

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

asphyxiation
filling the airway
blocking the airway
constriction
strangulation
crushing

13

Corrosive Hazards include these 3

acids
alkalis
cleaning materials

14

Biological Hazards include these 5

bacteria
mildew
mold
spores
viruses

15

Psychological Hazards include these 3

anxiety
claustrophobia
any other fears

16

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

17

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

18

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

19

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

20

O
A
T
H

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

21

OATH is a

communication acronym for rope signals

22

A SAR hose line can be up to _____ long.

300'

23

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

24

when monitoring a CSREs behavior, the
attendant is listening for 3 things

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