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ocs 2013 > strip mall fires > Flashcards

strip mall fires Flashcards

1
Q

___ are basically very large commercial structures divided into smaller occupancies

A

strip malls (254)

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2
Q

a typical store in a strip mall is form 20-30 ft wide and __ -___ ft deep

A

75 -100

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3
Q

is the fire load per square foot much heavier in commercial occupancies

A

yes

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4
Q

what are the 2 primary roof constructions in strip malls

A 
wood truss (or wooden ibeam)
open web trusses
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5
Q

any significant fire affecting the roof assembly of a light weight truss roof should warrant a __ operation

A

defensive

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6
Q

roof construction of strip malls can fail with in __ min of flame impingement

A

5

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7
Q

the combination of large undivided areas and ___ fire loads creates a collapse hazard

A

heavy (255)

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8
Q

the constructing of strip malls in las vegas is typically type _ non-combustible, type V lightweight wood or a combination of the 2

A

2 (II)

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9
Q

in strip malls both type II and type V construction create the same primary hazards of early roof collapse, fire extension through the attic space and a flammable ___

A

mansard

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10
Q

type ___ non-combustible strip malls come in 2 basic forms. 1 utilizes some type of cement masonry units (cinder blocks) to build exterior walls; the other uses tilt up construction. the roof assembly is supported by open web truss and the roof is composed of metal decking. partition walls are framed with metal studs covered by sheet rock

A

2 (II)

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11
Q

type __ lightweight wood construction is the most common type of strip mall in las vegas. it has all the dangers of residential lightweight construction with the added threat of large unsupported areas under lightweight trusses or wooden I beams.

A

V

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12
Q

the combination of type II and V are similar to type ___ ordinary construction

A

3 (III) (256)

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13
Q

a ___ is a continuation of the outer wall above a strip mall buildings roof level. it is a free standing unsupported wall

A

parapet

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14
Q

___ poase a potential structural problem because they become dislodged and collapse if the buildings roof support moves

A

parapet

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15
Q

parapet are susceptible to being knocked over by aerial ladder or __ streams that strike them

A

master

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16
Q

parapets can be __-__ feet above the roof creating a access problem

A

5- 10

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17
Q

an easy way to estimate the height of a parapet is to visually measure the ___ ___ protruding form the roof

A

irrigation scuppers

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18
Q

do mansards and facades present a significant collapse hazard

A

yes

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19
Q

if possible you may attack fire from the rear of a building to avoid a possible ___ hazard

A

collapse

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20
Q

typically the alpha side of a strip mall is primarily composed of ___

A

glass

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21
Q

what tool can be used to gain entry into a locked unit of a strip mall

A

k-tool

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22
Q

doors to commercial structures will open ___ and are often secured with multiple locks and drop in bars which are evident by the bolts penetrating the door

A

outward (257)

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23
Q

strip malls constructed of lightweight wood frame might be accessed more easily through the __ __ then through the doors

A

wall studs

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24
Q

a fire wall is supposed to stand up to __ - __ hours of fire

A

3-4

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25
Q

anchor stores in strip malls will often separate themselves from the other occupants by a __ or __ exterior wall. this exterior wall will act as a fire wall

A

masonry or concrete

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26
Q

true or false anchor stores and the rest of the strip mall be constructed completely different

A

true

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27
Q

walls that partition tenants are only required to by fire ___

A

barriers

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28
Q

a partition wall in a strip mall that creates a fire barrier is constructed of ___” sheet rock on each side of a stud wall. some builders will use 5/8” sheet rock which will give additional protection

A

1/2”

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29
Q

partition walls are very helpful at holding the __ spread of the fire but cant be expected to hold the fire for long

A

horizontal

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30
Q

partition walls extend from the floor to the underside of the

A

roof decking

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31
Q

the attic space in modern strip malls is divided by the occupancy

A

partition walls (258)

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32
Q

the availability of additional water should always be concern at ___ fires

A

commercial

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33
Q

the availability of additional water should always be concern at commercial fires. we should bring in ___ separate hydrants to give us an uninterrupted water supply and train our engineers to advise command early of any water pressure deficits

A

2

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34
Q

the 2 key factors to understanding fire spread in commercial strip mall fires are that occupancies are generally

A

large, undivided areas

fire load is larger

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35
Q

a typical store in a strip mall is ___-___ feet wide

A

20-30

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36
Q

a typical store in a strip mall is ___-___ feet deep

A

75 -100

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37
Q

a typical store in a strip mall has a ceiling height of ___-___ feet

A

12-16

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38
Q

because of the size and openness of a store in a strip mall it creates bigger fires that extend

A

rapidly

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39
Q

in strip mall buildings fire has access to a larger area without being obstructed by walls. this creates bigger fires that extend rapidly. additional the fire loading per square foot is often much heavier in commercial occupancies. both these factors produce larger, __ __ fires

A

faster moving

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40
Q

when steel bar trusses are exposed to fire the heated steel begins to ___

A

sag

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41
Q

when steel bar trusses are exposed to fire the heated to sag. this sagging warns of impending __, something that wood trusses do not do

A

failure

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42
Q

if you are conducting roof operations be aware of light weight roofs because you added weight could cause ___

A

failure (259)

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43
Q

common attics must be checked from underneath and in all immediate __

A

exposures

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44
Q

one of the early exposure assignments should include identifying __ __ and the type of __ specific to the involved strip mall

A

roof construction and the type of attic

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45
Q

an advantage to fighting strip mall fires is that the entire unobstructed area of a typical occupancy can be attacked form a safe distance with ___ __

A

large hose streams (260)

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46
Q

the advantage of having a common attic space is that the roof can be

A

opened at a safer remote location

47
Q

because of the lightweight roof assemblies I n these structures we don not want to vertically ventilate ___

A

immediately over the fire

48
Q

in strip mall fires we should always try to save the most amount of property. attempt to protect the long or the __ __ side of the property 1st before attempting to salvage lesser areas

A

most valuable (261)

49
Q

when going defensive in a strip mall fire start your defense on the side with the most amount of unprotected ___

A

exposures

50
Q

the ic may address the support of the FDC with a resource from the __ alarm

A

1st

51
Q

a small strip mall occupancy that is full involved will require a flow of at least __ gmp to control the fire

A

533 (262)

52
Q

it safe to expect most hydrants to supply up to ___ gpm but not much more

A

1500

53
Q

if you are staged at a strip mall fire you should study the map and identify the ___ that are strategically placed

A

hydrants

54
Q

the greatest hazard at strip mall fires is

A

early roof collapse (263)

55
Q

what are the signs of probable roof assembly involvement that an officer should be aware of

A

major fire involvement
fire involvement in 2 or more occupancies
hot rising smoke from attic vents
fire venting from the roof

56
Q

the following are signs of what in a strip mall fire
major fire involvement
fire involvement in 2 or more occupancies
hot rising smoke from attic vents
fire venting from the roof

A

roof assembly involvement

57
Q

if the officer meets any of these conditions what should he do
major fire involvement
fire involvement in 2 or more occupancies
hot rising smoke from attic vents
fire venting from the roof

A

do not deploy personnel into or over the involved occupancy until a better view of roof components can be accomplished

58
Q

with any large fire, __ ventilation is the ideal strategy to control horizontal spread to other occupancies

A

vertical

59
Q

when presented with a large fire at a strip mall the ic has 2 basic options for ventilation what are they

A

vertical (trench over a uninvolved occupancy and establish defense there

make as many horizontal opening as possible and defend the exposure boundaries

60
Q

mansards are not always firmly secured to the exterior creating an additional ___ hazard

A

collapse (264)

61
Q

___ must be checked for fire extension at any significant fire at a strip mall

A

mansard

62
Q

when there is a confirmed fire in a strip mall, call for a __

A

2nd alarm

63
Q

in addition to RIT, medical, safety and rehab what 5 divisions will need to be made immediately in a strip mall fire

A 
alpha
bravo
Charlie
delta
roof
64
Q

a second alarm will be called on a strip mall fire if there are

A

any signs of fire showing upon arrival

confirmation of a fire is made while en route

65
Q

for a strip mall fire a ___ strategy can only be chosen if the officer has determined that the fire is small enough to be controlled with hand lines and the roof assembly is not yet involved

A

offensive

66
Q

one of the most beneficial places to spot the ___ is in line with and out of the collapse zone

A

engine

67
Q

the 1 st truck should be positioned on the __ side if possible as this a good offensive location

A

Charlie

68
Q

where is the best place to check for extension into the mansard

A

from the roof to the rear of the mansard

69
Q

if an engine company is assigned to Charlie division what are there responsibilities

A

support FDC (265)
report conditions to command
control utilities
open doors

70
Q

the _ company should secure a water supply for a confirmed fire at a strip mall. all other should be prepared to bring a water supply

A

1st

71
Q

for any significant fire at a strip mall use the ___ “ line should be strongly considered

A

2 1/2

72
Q

a 2 1/2” hose line can easily deliver between __-__ gpm and has a reach of more than __ feet

A

250-350gpm

100ft

73
Q

what is the average depth of a strip mall unit

A

70-100 ft

74
Q

how many people to operate a 1 3/4 “ line

A

2

75
Q

how many people to operate a 2 1/2’ line

A

3

76
Q

which is more manpower efficient a 2 1/2 or 1 3/4

A

2 1/2”

77
Q

the utilities are usually located in the back of the building. shut off ___ units 1 st to reduce the load prior to switching the main power switch to off

A

individual (266)

78
Q

what is the minimum PPE required for controlling utilities

A

turnouts
helmet
gloves
eye protection

79
Q

when assigned to back up you should pull a line that is what in size

A

equal to or greater than the attack line

80
Q

the back up line should follow the path of the

A

attack line

81
Q

one the back up line has been stretched the officer assigned to back up should follow the attack line to the attack officer and check on

A

their progress and safety

82
Q

checking for extension is done at the __ wall that divides the 2 occupancies

A

party

83
Q

once the fire is out an evaluation must be made of the __ of the structure before thorough overhaul and salvage can take place

A

stability (267)

84
Q

anytime we have personnel inside an IDLH atmosphere without a confirmed rescue situation, a ___ will be in place

A

RIT (268)

85
Q

should multiple RITs be considered in any working commercial fire

A

yes

86
Q

if an FDC is present the ic must support it with one of the engines from the __ alarm

A

1st

87
Q

__ should be established for any offensive fire

A

ventilation

88
Q

does the Charlie division need a water supply

A

yes (269)

89
Q

a working fire at a strip mall will warrant the assignment of a __ officer

A

safety

90
Q

safety must constantly communicate findings with command. this information is critical to the __-__ __-__

A

on-going size-up

91
Q

a ____ strategy is an exterior operation, in which the greatest priority is protecting exposures

A

defensive (270)

92
Q

a defensive strategy is chosen when an evaluation of the situation determines that there is nothing savable in the involved structure, the intensity of the fire is too great, or adequate ___ are not available to coordinate an offensive attack

A

resources

93
Q 
the following are \_\_\_ conditions
delayed response
structural elements involved/failing on arrival
fire through the roof on arrival
condemned structure
no confirmed occupants
no sustainable water supply
hazmat or flammable liquids present
inadequate staffing
A

defensive

94
Q

a___ operation should be and more methodical than an offensive operation

A

defensive (272)

95
Q

the primary strategy for mitigating a fire involving a strip mall is an

A

aggressive, large diameter frontal attack in conjunction with aggressive exposure protection (274)

96
Q

a __ __ is essentially a closed container with excessive fire loads

A

strip mall

97
Q

in order to stop the progression of fire in a strip mall speed is essential and deck guns, portable monitors and 2 1/2” hand lines are necessary tools. for penetration and reach opt for ___ __

A

straight streams

98
Q

to achieve a quick knock down it is best to attack from the __ of the involved building

A

front (275)

99
Q

t/f any significant fire should warrant the removal of all store front glass

A

true

100
Q

if you are assigned ___ division then you will need to quickly identify the wall construction, roof construction, attic situation and advise command of these building criteria

A

exposure

101
Q

if you assigned exposure division then you will need to quickly identify

A

the wall construction, roof construction, attic situation

102
Q

___ ventilation is ideal for most strip malls

A

vertical

103
Q

we will never place personnel under or on top of a lightweight roof assembly that is

A

involved in fire

104
Q 
the following is included on what
type of roof
roof vents present
conditions of roof
concentrated loads
firewalls
basic blueprint if unusual
actions being taken
truss type and direction
A

roof size up

105
Q

what info is given on a roof size up

A 
type of roof
roof vents present
conditions of roof
concentrated loads
firewalls
basic blueprint if unusual
actions being taken
truss type and direction
106
Q

if the roof division/vent grp does vent/trench cut then they should conduct a __-__ report including
where you cut
what affect it had
conditions in the attic

A

follow-up

107
Q

if the roof division/vent grp does vent/trench cut then they should conduct a follow -up report including what info

A

where you cut (276)
what affect it had
conditions in the attic

108
Q

upon receipt of an emergency traffic withdraw order, the company officer shall

A

acknowledge the withdraw order

assemble crews and promptly exit to a safe location

again account for all crew members

notify command they have evacuated and have a par

109
Q

a failure to respond to a abandon the building order could result in a serious injury or

A

death (277)

110
Q

a __ __ __ order will be given over he radio when dispatch sounds a high low tone for 5 seconds

A

abandon the building

111
Q

when an abandon the building order is given all fire department apparatus will sound their horns for __ seconds

A

15

112
Q

a __ __ __ order will be given where there is potential for
building collapse
possible explosion
other hazardous conditions that dictate an immediate evacuation

A

abandon the building

113
Q

upon notification of the abandon the building order crews will immediately do
the following

A

exit to a safe area
conduct a PAR
report the location and status of crew

ocs 2013 (55 decks)

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